Search Results — 2000 specimen records retrieved (1884 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
  SBBG94634  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -1 Riverside N of Toro Peak at Virgin Spring Comment
  UCD134183  Abies concolor Frank C. Vasek; K. Neisses 1979-7-26 790726 -9 Riverside Santa Rosa Mountains; Stump Spring Campground. Comment
  CAS-BOT-BC229352  Abronia villosa L. R. Abrams 1926-3-26 11023 Riverside Palm Springs Comment
  CAS-BOT-BC229361  Abronia villosa H. M. Hall 1902-1-1 2915 Riverside Vicinity of Winchester 457 Comment
  POM279283  Abronia villosa Lyman Benson 1933-3-31 4155 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA698219  Abronia villosa J. R. Bruff s.n. Riverside Whitewater. Comment
  SEINET893716  Abronia villosa Norman C. Cooper 1944-1 994 Riverside Cabazon, Riverside Co. 457 Comment
  UCD109830  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi. se. of Thousand Palms. 9 Comment
  UCD109809  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, 13 miles east of Palm Springs. Comment
  UCR119446  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR110387  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  UCR94063  Acacia greggii Scott D. White, D. Haselfeld 1996-7-2 4272 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA414915  Acacia longifolia Edwin Kline 1925-2-28 14848 Riverside Near Riverside. Comment
  SEINET1956968 Image available Acamptopappus sphaerocephalus L. R. Abrams 1941-4-23 13923 Riverside Whitewater Water wash, Palm Springs railroad station. Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UC29244  Achillea millefolium H. M. Hall 1901-7-20 2507 Riverside Strawberry Valley; San Jacinto Mts 1615 Comment
  POM1068  Achnatherum coronatum H. M. Hall 1901-06 2078 Riverside South side of San Jacinto Mountains. 1463 Comment
  POM122371  Achyronychia cooperi Marcus E. Jones 1925-4-24 s.n. Riverside Banning. Comment
  RSA781740  Achyronychia cooperi Duncan S. Bell 2011-12-30 3032 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR141141  Achyronychia cooperi June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  SD137777  Acmispon glaber var. brevialatus Darin L. Banks, Steve Boyd 1995-4-5 161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove along the Dripping Springs Trail 609 Comment
  SD215527  Acmispon strigosus Steve Boyd, Tim Ross, et al. 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, east of USFWS Dripping Springs Guard Station. 487 Comment
  UCSB46690  Acmispon strigosus Reed, Susan 1977-5-30 Riverside University of California James Reserve 1828 Comment
  RSA512757  Acourtia microcephala W. Wisura, Bart O Brien, M. Durant 1990-6-12 4446 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  UC1979597  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  UCD128475  Acourtia microcephala Steve Myers 1988-6-30 s.n. Riverside Murrieta area, between Highway I-15 and Jackson Street, around 0.5 mile southeast of Inland Valley Medical Center, near Clinton Keith Road. Comment
  UCD128478  Acourtia microcephala R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  CAS-BOT-BC22558  Adenophyllum porophylloides Harvey Keith Wagnon 1944-5-25 394 Riverside North side Tahquitz Canyon, Palm Springs Comment
  CAS-BOT-BC22559  Adenophyllum porophylloides Alice Eastwood 1913-4-30 3024 Riverside Palm Springs Comment
  RSA0034641  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR104167  Adenostoma fasciculatum Scott D. White 1997-5-25 5245 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
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  OBI74461  Adenostoma sparsifolium David J. Keil 1983-4-15 16910 Riverside Near Aguanga along SR79 Comment
  UC1971487  Adiantum capillus-veneris Louis C. Wheeler 1963-3-17 8245 Riverside SANTA ROSA MOUNTAINS: Martinez Canyon. Comment
  SEINET3412074  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28521 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA741208  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-5-15 11959 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UC1130644  Agrostis alba H. S. Yates 1936-8-29 6374 Riverside Idlewild San Jacinto Quadrangle Comment
  CAS-BOT-BC139443  Agrostis hyemalis Ralph Hoffmann 1929-9-8 s.n. Riverside Mount San Jacinto. Comment
  CAS-BOT-BC139141  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Mount San Jacinto. Tahquitz Valley. 2438 Comment
  SEINET269466 Image available Agrostis viridis Scott D. White, Steve Ogg 1994-10-17 2496 Riverside Temecula Valley Riverside. City of Temecula Murrieta Ck Channel at confluence with Sta Gertrudis CK. USGS 7 1/2' Murr Comment
  RSA696214  Allenrolfea occidentalis Keith E. Hoffmaster 1928-12-29 s.n. Riverside 9 mi from Dos Palmas Comment
  UC116545  Allenrolfea occidentalis T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  CAS-BOT-BC500426  Allionia incarnata A. C. Sanders; Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Rd at jct with rd to Observation Point Slats, US Navy Chocolate Mts Aerial Gunnery Range 723 Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
Read comments
Jul 10 2010
  UCR39548  Allium campanulatum A. C. Sanders 1980-7-19 1694 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove. Along a small stream on the NW slope of the forested large hill (6168) south of the reserve. 1707 Comment
  CAS-BOT-BC469251  Allium fimbriatum var. fimbriatum Peter H. Raven 1958-5-18 12984 Riverside Pinon Flats, San Jacinto Mountains Comment
  RSA343873  Allium lacunosum var. lacunosum Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60652 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA495442  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2970 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
Read comments
May 11 2010
  RSA526139  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4652 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SEINET3224408  Allophyllum glutinosum G. Goodwin 2012-6-15 3462 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR156098  Allophyllum glutinosum T. B. Salvato, Kent Beaman 2005-5-16 841 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CAS-BOT-BC170127  Alnus rhombifolia Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  UCR220336  Alopecurus saccatus D. E. Bramlet 1992-4-29 2257 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR54043  Amaranthus albus A. C. Sanders 1988-11-6 08741 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  LA202898  Ambrosia dumosa F. R. Fosberg; 1932-3-13 8071 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA416965  Ambrosia dumosa Christopher Davidson 1979-4-4 7687 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
Read comments
May 26 2013
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  UCR214278  Ambrosia dumosa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37479 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
  UCR228404  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 148 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  UCD128696  Ambrosia ilicifolia P. A. Munz; D. Keck 9-12 Apr 1922 4782 Riverside vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA561514  Ambrosia psilostachya Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR201882  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  CAS-BOT-BC273035  Ambrosia salsola F. A. M. 1936-3-20 14477 Riverside Morongo Valley Comment
  HSC87232  Ambrosia salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2132 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  LA31366  Ambrosia salsola Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C- 175 Riverside Morongo Wash Comment
  SFV9315  Ambrosia salsola D. H. Hoover 1968-3-23 68 41C Riverside Colorado Desert Mission Creek Road, south of Morongo Valley and north of Whitewater (Palm Springs Inct.). Comment
  UC718798  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside near Cabazon; San Gorgonio Pass Comment
  UCR262462  Ambrosia salsola A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41505 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SEINET10797864  Ambrosia salsola Billy Joe Cox 1975-4-23 Cox 4138 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe), Riverside-Imperial counties. 70 Comment
  UCR188890  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR150015  Amorpha fruticosa Scott D. White, Angelia Carey 2004-4-16 10163 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR274306  Amsinckia intermedia T. B. Salvato, Melissa Clemons 2005-6-6 1427 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA0089938  Amsinckia menziesii D. E. Harvey 1969-4-20 690420 -2 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  POM48542  Amsinckia tessellata F. M. Reed 1925-3-17 4947 Riverside Palm Springs. Comment
  RSA0091463  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  JEPS90275  Amsinckia tessellata var. tessellata Roderick MacDonald 1973-3-18 1019 Riverside vicinity of Live Oak Tank (Colorado Desert, Joshua Tree National Monument); Colorado Desert, Joshua Tree National Monument 1280 Comment
Read comments
Nov 6 2011
  JOTR31905  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2153 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  UCR244876  Amsinckia tessellata var. tessellata Jim Andre 2012-3-19 21398 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  LA90398  Amsonia tomentosa William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  SEINET239042  Andropogon glomeratus A. C. Sanders, Pam MacKay; Tim Thomas O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mtns.: Whitewater Canyon just above Bonnie Bell 2.3 miles below the stream crossing near the fish hatch 534 Comment
  RSA77438  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  UCSC003150  Angelica tomentosa Peter Kamb 1948-10-31 1282 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  UCD166280  Anisocoma acaulis Jack Major 1962-4-18 794 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  OBI37456  Antirrhinum coulterianum Jennifer Lyman 1981-5-22 s.n. Riverside San Jacinto Mts. E side of mt San Jacinto. USFS San Jacinto Mtn 1829 Comment
  RSA773175  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-27 1125 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15. 744 Comment
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  UCR199925  Antirrhinum nuttallianum Scott D. White, Justin Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  RSA85443  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1952-4-13 5517 Riverside Box Springs Mts., above Canyon Crest Heights. 457 Comment
  UC1979643  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. Comment
  POM9655  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA613147  Aphanes occidentalis D. L. Banks 1997-3-29 1655 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
  UCR230217  Apiastrum angustifolium A. C. Sanders 2011-4-6 38981 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
  RSA736239  Apocynum cannabinum Scott D. White, Jonathan Campbell 2008-4-18 11899 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  POM157898  Apocynum sibiricum P. A. Munz 1927-5-21 10896 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA762734  Aquilegia formosa Patrick Garrett 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  POM293087  Arabis pulchra Lyman Benson 1946-4-15 12033 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA0128805  Arabis sparsiflora Duncan S. Bell, J. D. England 2010-6-4 1264 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  UCR153380  Arabis sparsiflora R. F. Thorne, Et al. 1969-6-24 38138 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
Read comments
Nov 13 2008
  UCR178346  Arabis sparsiflora Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1051 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR193569  Arabis sparsiflora A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35611 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR90401  Arabis sparsiflora var. californica Steve Boyd, D. L. Banks 1995-3-30 8405 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  RSA629134  Arctostaphylos Jon E. Keeley 1992-7-16 16568 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629149  Arctostaphylos Jon E. Keeley 1992-7-17 16768 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UC1137194  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-13 Riverside sw face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA629363  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16832 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629470  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA631761  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15069 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA721870  Arctostaphylos glauca Michael Wall 2007-2-16 427 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  UC1366100  Arctostaphylos glauca K. R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Rd 18 mi s Hemet 1219 Comment
  SEINET12524588 Image available Arctostaphylos glauca M. F. Buell, Helen F. Buell 1961-1 s.n. Riverside Hidden valley, JoshuaTree National monument. 1341 Comment
  CAS-BOT-BC46768  Arctostaphylos parryana Vernon O. Bailey 1907-6-11 s.n. Riverside East slope above Palm Springs. Comment
  RSA0120001  Arctostaphylos parryana Duncan S. Bell, Thomas Stoughton 2016-4-13 9254 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA633586  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22506 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633604  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22518 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633640  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20137 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633743  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20125 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  RSA396112  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA50330  Arctostaphylos pringlei subsp. drupacea E. K. Balls 1949-5-4 13481 Riverside 3 miles from Idyllwild on road to Banning. 1524 Comment
  RSA635646  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16610 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  SEINET3093966 Image available Arctostaphylos pringlei subsp. drupacea Janice Hollinger 1972-5-13 720513 -7 Riverside San Jacinto Mtns., Idyllwild. Comment
  POM49843  Arctostaphylos pungens P. A. Munz, I. M. Johnston 1924-7-29 8878 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  SEINET7267028  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside San Jacinto Mts., 0.5 mile south of Vista Grande Ranger Station. 1494 Comment
  RSA636007  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19554 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UC1605406  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Fisherman's Camp, upper end of Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, C Comment
  UCR84602  Arenaria douglasii Scott D. White, S. Ogg 1994-4-21 1951 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC401603  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  CAS-BOT-BC207130  Argythamnia lanceolata F. W. Peirson 1921-3-23 2805 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs, Colorado Desert 152 Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  JOTR38687  Aristida adscensionis Hodges, Stephen R. 2017-2-7 703 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCR211473  Aristida adscensionis Tasha La Doux, Jim Andre 2008-9-13 273 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  RSA336200  Aristida adscensionis var. modesta R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52012 Riverside Chino Canyon Comment
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Apr 24 2011
  SEINET3918776  Aristida californica Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6457 Riverside Rice Valley, 7 miles south-southwest of Rice.; 0 274 Comment
  RSA659618  Aristida purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  UCR274670  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Sonoran (Colorado) Desert, Pallen Dunes Road, Ford Dry Lake area, Hwy I-10, exit 217, Chuckwalla Valley 107 Comment
  UCR21296  Aristida purpurea var. longiseta A. C. Sanders, K. Berg 1980-5-1 1363 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCD56556  Aristida purpurea var. nealleyi A. A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  RSA97133  Aristida purpurea var. nealleyi H. K. Buechner 1955-6-1 C- 102 Riverside 4.5 miles south of Palm Desert, Coachella Valley 854 Comment
  POM11427A  Aristida purpurea var. parishii P. A. Munz, D. D. Keck 1922-4-9 4906 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA703407  Aristida purpurea var. parishii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1460 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33?37'32N, 115?19'35W: UTM 3721895N, 655238E to 33?36'52N, 115?19'54: UTM 3720669N, 654757E. 480 Comment
  RSA0121061  Aristida purpurea var. wrightii Duncan S. Bell, Thomas Stoughton 2016-3-16 8947 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UC573616  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle 640 Comment
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  SDSU6156  Artemisia californica S. J. Barnhart 1966-4-17 660417 -11 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCD129218  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek. 609 Comment
  RSA417287  Artemisia douglasiana E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM12705  Asclepias californica P. A. Munz 1922-7-3 5963 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  RSA401651C  Asclepias californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR250858  Asphodelus fistulosus Dick Newell, Judy Booth 2014-3-9 355 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 0.34 mi. east of Ortega Hwy 865 Comment
  IRVC23981  Asplenium vespertinum R. E. Reifner 1988-3-8 88 51 Riverside Route 74: San Juan Loop Trail near Ortega Oaks in a well-shaded rock crevice. Peninsular Ranges Comment
  UCR125297  Aster subulatus A. C. Sanders 2002-11-21 25631 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  RSA21765  Astragalus aridus C. B. Wolf 1937-4-6 8437 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  CAS-BOT-BC177720  Astragalus crotalariae E. A. McGregor 1917-3-19 2051 Riverside Indio Comment
  UCR44443  Astragalus didymocarpus A. C. Sanders 1986-4-30 6493 Riverside Mountain Avenue at 7th Street, San Jacinto 488 Comment
  RSA49368  Astragalus didymocarpus var. dispermus P. A. Munz 1949-4-11 12996 Riverside North base of Eagle Mtns. 945 Comment
  RSA359860  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA679100  Astragalus douglasii var. parishii Mark Elvin, Victoria Jotikasthira, Ron Wetherford, Jason Wetherford 1996-5-10 172 Riverside San Bernardino National Forest Comment
  RSA642091  Astragalus filipes Orlando Mistretta, Mark Elvin 1995-6-19 1780 Riverside San Jacinto Mountains.: [State Hwy 74] 1433 Comment
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Jan 1 2007
  UCR158048  Astragalus filipes C. B. Wolf 1931-5-11 1952 Riverside Peninsular Ranges; San Jacinto Mountains, near Pipe Creek, Hemet Valley 1616 Comment
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Sep 23 2011
  CHSC108878  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  RSA524415  Astragalus gambelianus Steve Boyd 1990-4-3 4107 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR120796  Astragalus gambelianus Ian G. Gillespie 2000-4-26 27 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  SEINET13752370  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-25 4 Riverside 10 miles ESE of Blythe, along power line road that funs east and west of new solar plant Comment
  UC537183  Astragalus palmeri M. E. Jones 1933-4-2 Riverside s Coachella Valley (Palms to Pine Road); s of Coachella Valley 1066 Comment
  SD8527  Astragalus pomonensis Daniel Cleveland Apr 1880 Riverside San Jacinto Plains Comment
  RSA415846  Astragalus tricarinatus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
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Aug 16 2007
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  UCR251648  Atrichoseris platyphylla Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  CAS-BOT-BC170586  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave. and first road east of I-215 - Perris Basin, Southern Coastal Slope 426 Comment
  RSA650426  Atriplex C. J. Humphrey, Herbert Humphrey 1935-6-7 394 Riverside 18 miles east of Riverside. 549 Comment
  UCR275574  Atriplex argentea T. B. Salvato 2005-6-13 605- 7 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  RSA763548  Atriplex canescens Doris Hoover Bowers 1967-12-26 204 Riverside Durhams Siding E. side of Salton Sea -3 Comment
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Jun 16 2013
  SBBG1755  Atriplex canescens H. and M. Dearing 1936-12-25 151 Riverside Thousand Palms Comment
  JOTR16655  Atriplex canescens subsp. canescens Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  CAS-BOT-BC170228  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-8-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. Comment
  RSA5349  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 1606 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  UCR70521  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside San Jacinto Valley, San Jacinto Area, 7.6 km west of Hemet & c. 1.4 km SW of intersection of Warren and Setson Ave. Plants c. 68 m south of Setson Ave. & 320 m west of the MWD canal. 500 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  UCR68039  Atriplex davidsonii D. E. Bramlet 1991-5-2 3012 Riverside San Jacinto Valley, 20m south of Setson Road at the intersection of Setson Road and California Avenue; c. 200m west of the MWD canal. Comment
  RSA0042164  Atriplex hymenelytra Duncan S. Bell, Evan Meyer 2014-4-2 6522 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA478265  Atriplex hymenelytra E. C. Jaeger 1922-3-29 746 Riverside Painted canyon, near Mecca. Comment
  CAS-BOT-BC169292  Atriplex lentiformis John Thomas Howell 1928-1-28 3280 Riverside Thousand Palms, Colorado Desert Comment
  POM278734A  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 581 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  POM307326  Atriplex polycarpa Henry J. Ramsey, Henry J. Ramsey 1937-11-20 2213 Riverside Coachella Valley Comment
  UCR274223  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains, the foot of the mountains between Toro Canyon and Martinez Canyon 169 Comment
  CDA2957  Atriplex suberecta J. C. Roos 1965-10-17 Riverside 20 miles west of Blythe. 0 Comment
  RSA385380  Avena barbata N. C. Cooper 1944-3-24 1010 Riverside Banning. 701 Comment
  CAS-BOT-BC145900  Avena fatua A. C. Sanders; G. K. Helmkamp 1997-3-15 19977 Riverside Lake Skinner area, north foot of 1700 foot hill east of Bachelor Mountain. 488 Comment
  RSA179497  Avena fatua E. W. Lathrop 1960-5-6 4786 Riverside 10 miles west of Murrieta. Comment
  RSA730043  Baccharis brachyphylla R. F. Thorne 1966-10-15 41800 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  CAS-BOT-BC106735  Baccharis salicifolia T. Winfield 1975-4-17 2407 Riverside Santa Ana R. near Fairmont Park Comment
  OBI8301  Baccharis salicifolia David J. Keil, Malcolm McLeod 1977-3-26 12011 Riverside 8 mi NW of Lake Elsinore State Recreation area along Calif 71 366 Comment
  RSA774508  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4459 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET10616773  Baccharis salicifolia David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3724 Riverside Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UC1287079  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi e Glen Ivy Hot Springs Comment
  IRVC511  Baccharis sergiloides Pat McClellan 1965-5-9 none Riverside Palm Springs Sonoran Desert Comment
  JOTR34413  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA662147  Baccharis viminea Stephen Hill 1981-2-16 32 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. Comment
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Jul 14 2013
  POM8406  Bahiopsis parishii Mary F. Spencer 1920-3-27 788 Riverside near Palm Springs 122 Comment
  RSA26988  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring. Comment
  JOTR16565  Baileya pleniradiata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA5168  Bebbia juncea C. B. Wolf 1932-4-26 2979 Riverside 5.5 miles E of Mecca on Blythe road lower sonoran 61 Comment
  RSA0062664  Bebbia juncea C. J. Humphrey, Herbert Humphrey 1936-6-7 405 Riverside In foothills 18 miles East of Riverside. 548 Comment
  RSA0034159  Bebbia juncea var. aspera M. Bourell 1987-4-14 3270 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  UCR136189  Bebbia juncea var. aspera Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  SD181675  Berberis dictyota Scott D. White, Pam DeVries 2000-4-25 7735 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  UCR43  Berberis dictyota Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  UCR95360  Berberis nevinii D. L. Banks, Rashmi Pant 1996-6-13 1020 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills S oh Hwy 9; east of Dripping Springs Campground. Approx. 2.1 km east of Dripping Springs Guard Station, south of the jct between Vail Lake Marina Road and Hwy 79, just south of Cleveland National Forest Boundary Comment
  SD216473  Bernardia incana Jay B. Walker 1995-5-3 1405 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground 1200 Comment
  POM97991  Bernardia incana E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mountains, eastern Riverside 1250 Comment
  CAS-BOT-BC127989  Bidens pilosa J. Ewan 1931-10-3 5223 Riverside Mockingbird Canyon near Arlington Comment
  CSUSB940  Bloomeria crocea R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains. Big "C" turnoff, 0.6 miles from Box Springs Mountain Road. 777 Comment
  RSA627850  Bloomeria crocea A. C. Sanders 1994-5-30 14597 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs. 950 Comment
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  CAS-BOT-BC16106  Boechera californica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  JOTR30049  Boerhavia coccinea La Doux, Tasha 2006-10-24 1655 Riverside Joshua Tree National Park. Twentynine Palms, park headquarters, nursery compound Comment
  JOTR30679  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10264 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UCR101518  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  JOTR29271  Boerhavia triquetra var. intermedia La Doux, Tasha 2005-8-17 1541 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  OBI38271  Boerhavia wrightii David J. Keil 1985-8-30 18953 Riverside Chiriaco Summit exit from I-10 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  UCR58441  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  UCR182356  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A 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
  RSA385911  Bouteloua aristidoides F. R. Fosberg 1932-3-13 8073 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UCD56839  Bouteloua aristidoides Geoffrey Levin 1976-10-17 1177 Riverside About 11 miles east of Mecca. Box Canyon. Mecca Hills. Salton Sea Basin. 91 Comment
  UC677603  Bouteloua aristidoides var. aristidoides A. A. Beetle 1942-4-23 3189 Riverside banks of river 24 mi n Blythe; Colorado River Comment
  RSA784745  Bouteloua barbata Duncan S. Bell 2012-2-12 3089 B Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA180501  Bowlesia incana E. W. Lathrop 1965-4-18 5657 Riverside 10 miles west of Murrieta. Comment
  SBBG128734  Bowlesia incana A. C. Sanders, T. W. Chumley 2013-3-29 40714 Riverside Elsinore Area; Alberhil, Lake St near bridge over Temescal Wash between Temescal Cyn Rd and I-15 Fwy 380 Comment
  RSA0086494  Boykinia rotundifolia Mitch Provance, Justin E. Smith 2015-7-22 715 -02 Riverside San Jacinto Mountains: Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243. 1601 Comment
  SD181775  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. On roadside. 334 Comment
  SD44855  Brandegea bigelovii Darley F. Howe 1952-4-27 2188 Riverside Box Canyon, E of Mecca Comment
  UCR41529  Brandegea bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6103 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  UCR21919  Brassica geniculata Steve Boyd 1980-5-11 223 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  SD216466  Brassica tournefortii Carol R. Annable 1995-3-9 2257 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR214126  Brassica tournefortii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37733 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR41558  Brassica tournefortii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6014 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  SBBG7813  Brickellia atractyloides H. and M. Dearing 1949-4-17 6753 Riverside Morongo Cyn Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UCR20317  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, E side Whitewater Canyon, 2.2 mi. north of Hwy 99 [=I-10]; W side of Painted Hill 612 Comment
  CAS-BOT-BC100609  Brickellia oblongifolia var. linifolia H. M. Hall 1901-5-1 1888 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert 1219 Comment
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  RSA0020379  Bromus Duncan S. Bell, Keir Morse 2013-3-30 4663 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  SEINET14396884  Bromus anomalus F. S. Crosswhite 1960-11-4 Riverside Riverside. Comment
  JOTR31035  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC1130968  Bromus carinatus var. carinatus H. S. Yates 1937-6-27 6715 Riverside near Idlewild 1615 Comment
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Jan 19 2010
  UC53639  Bromus catharticus E. L. Koethen 1897-8-12 6 Riverside Riverside Comment
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Jun 9 2011
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA131728  Bromus grandis E. K. Balls 1958-6-27 23293 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR70128  Bromus inermis A. C. Sanders 1980-7-22 1726 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
  SEINET7048194  Bromus madritensis subsp. rubens Steven R. Hill, Andrew C. Sanders 2001-5-4 33703 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR110939  Bromus marginatus George K. Helmkamp 1998-6-27 4118 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
  RSA600397  Bromus rubens V. W. Steinmann, D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  UCR120195  Bromus rubens Mitch Provance 1998-3-6 145 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  UCR94234  Bromus rubens Scott D. White 1996-4-14 3925 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
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jun 30 2012
  CAS-BOT-BC185647  Bromus tectorum Scott D. White 1996-4-14 3911 Riverside East of Hemet. San Jacinto River Wash near Valle Vista, north of Highway 74, ca. 1.7 mile west of USFS Cranston Fire Station. 548 Comment
  SEINET3856755 Image available Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c 0.35 km NW of Central Ave. intersection 385 Comment
  SEINET2060499 Image available Caesalpinia E. R. Blakley 1961-9-10 4709 Riverside Cactus City on U.S. Hwy 60-70 E of Indio. 504 Comment
  RSA736556  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JEPS49879  Caesalpinia virgata Eleonor Davisson 1967-4-11 Riverside between Mecca and Joshua Tree Nat'l Monument (Box Canyon); Box Canyon Comment
  RSA48454  Caesalpinia virgata P. A. Munz, D. D. Keck 1925-3-7 9350 Riverside Painted Canyon, Mecca. Comment
  RSA498303  Caesalpinia virgata Robert L. Dressler 1949-3-19 394 Riverside Box Canyon, Orocopia Mts. Comment
  CLARK-A1528-3811  Calandrinia ambigua John C. Roos 1949-5-5 4098 Riverside Orocopia Comment
  CDA6854  Calendula officinalis T. C. Fuller 1962-6-6 8849 Riverside La Cadena & Iowa Avenue, east of Highway 395 freeway, Highgrove. 0 Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  RSA619553  Calochortus albus Darin L. Banks 1997-5-5 2001 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  CAS-BOT-BC488543  Calochortus concolor Philip A. Munz; P. C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  CAS-BOT-BC488545  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside No. base of San Jacinto Mts., Snow Creek Canyon, 1 mile above Fish Hatchery 792 Comment
  RSA783084  Calochortus invenustus J. D. Olmsted 1959-6-23 665 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  JOTR31119  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2502 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
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA525283  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4597 Riverside Vail Lake area, steep SE flank of Oak Mountain above NE end of lake.. 579 Comment
  RSA660540  Calochortus splendens Orlando Mistretta 1992-6-10 512 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR209401  Calochortus weedii var. intermedius Fred M. Roberts, Robt. L. Allen 2008-6-23 7051 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  CAS-BOT-BC282915  Calycoseris wrightii Roxana S. Ferris 1953-3-11 12604 Riverside Crossing on Highway US 60-70 of Eagle Mountain Iron Mine Railroad Comment
  CAS-BOT-BC282922  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Comment
  UCR241523  Calycoseris wrightii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40646 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR177410  Calyptridium monandrum Scott D. White 2003-3-23 8837 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UC489218  Calyptridium monospermum C. V. Meyer 1928-7-27 550 Riverside San Jacinto Peak; Southern California, San Jacinto Peak 3230 Comment
  SD140127  Calystegia macrostegia Scott D. White 1993-4-22 1245 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 490 Comment
  UCR21841  Calystegia macrostegia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR226051  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  RSA525284  Calystegia macrostegia subsp. macrostegia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SJSU8754  Calystegia macrostegia subsp. tenuifolia T. G. Balgooyen 1966-4-5 Riverside roadside 10 mi W of Hemet Comment
  SBBG5746  Calystegia occidentalis subsp. fulcrata H. and M. Dearing 1940-6-9 4368 Riverside Palms to Pines Hwy near Herkey Crk Comment
  UCR164895  Camissonia S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  RSA716401  Camissonia bistorta Scott D. White, Angelia Carey 2004-4-5 10010 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET7073307  Camissonia bistorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA766633  Camissonia boothii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 165 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  HSC28012  Camissonia brevipes Richard Spjut 1973-4-5 3263 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA13902  Camissonia californica P. A. Munz, D. Keck 1922-4-9 4750 Riverside Palm Springs. 76 Comment
  RSA550039  Camissonia californica Walter Wisura, A. King, L. Newcomb 1992-4-10 4668 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA775220  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4438 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR120929  Camissonia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24928 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR226584  Camissonia californica Jim Andre 2011-2-18 15816 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR88113  Camissonia californica A. C. Sanders, G. Nuhn 1995-4-20 16590 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
  RSA692196  Camissonia cardiophylla Scott D. White, Michael Honer 2003-5-14 9297 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  HSC66564  Camissonia claviformis Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-29 7817 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  UCR90171  Camissonia claviformis R. W. Scora 1966-4-1 3008 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA682857  Camissonia claviformis subsp. aurantiaca Scott D. White 2003-3-20 8829 Riverside Coachella Valley: Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  RSA718878  Camissonia claviformis subsp. aurantiaca Michael Honer, L. Hulse 2004-4-14 1947 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  UCR176187  Camissonia hirtella Amber Bruno 2005-4-14 17 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
  UCR239879  Camissonia hirtella O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR259223  Camissonia hirtella Mitch Provance 2012-4-23 412- 14 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  UCR87657  Camissonia hirtella A. C. Sanders 1994-3-29 14572 Riverside San Bernardino Mtns, E branch Millard Canyon, along FS Road 4S45 1200 Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR177396  Camissonia pallida John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  UCR216223  Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA186600  Camissonia strigulosa Peter H. Raven 1958-5-18 12973 Riverside Hemet Meadows, San Jacinto Mountains. Comment
  RSA454106  Camissonia strigulosa N. C. Cooper 1944-4-23 1102 Riverside Banning. 701 Comment
  SEINET238561  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unamed spring. 1585 Comment
  UCR92181  Camissonia strigulosa D. L. Banks, Steve Boyd 1995-5-3 0196 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCSB24361  Camissonia strigulosa Meyer, Carl 1927-6-1 Riverside San Jacinto Mts, Saunder's Meadow Comment
  POM9585  Camissonia strigulosa I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  UCD103434  Camissoniopsis bistorta A. C. Sanders; T. B. Salvato 2000-5-25 23428 Riverside Menifee Valley. S of Newport Rd., N of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UC874054  Camissoniopsis hirtella P. A. Munz 1922-7-1 5940 Riverside Santa Rosa 1889 Comment
  UC1922490  Camissoniopsis pallida Scott D. White 2005-3-29 10848 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  UC1186517  Camissoniopsis pallida subsp. pallida E. G. Linsley and J. W. MacSwain 1960-3-1 60 -1 Riverside Tamarisk Avenue Palm Springs Comment
  SD8373  Capsella bursa-pastoris Daniel Cleveland 1882-5-5 Riverside Temecula Plains Comment
  UCR128904  Cardamine A. C. Sanders 2001-4-4 23911 Riverside Riverside, UCR campus 348 Comment
  UCR158639  Cardamine californica S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  CAS-BOT-BC281703  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside On road cut, National Orange Co. prop., E extension of Palmrita Ave., 2.5 miles E of Iowa Ave, Highgrove Comment
  RSA716067  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  UCR187491  Carex barbarae Diane Menuz, Theresa Johnson 2006-9-20 245 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, Temecula Canyon, hike up the river from the southern entrance, SE foot of Gavilan Mtn. 164 Comment
  UC472736  Carex fracta Mary Fiske Spencer 1919-6-19 Riverside Idyllwild 1615 Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA192256  Carex schottii E. W. Lathrop 1966-6-1 6366 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  SEINET7575123 Image available Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA559313  Carex spissa Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UC72462  Carex subfusca H. M. Hall July, 1901 2250 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  SD187428  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy 74) 530 Comment
  UCD110244  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersection of Canyon Crest Dr. and University Ave. 320 Comment
  POM99033  Castilleja angustifolia E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  JOTR31038  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  RSA769646  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCR103990  Castilleja exserta George K. Helmkamp 1998-4-3 3093 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR174449  Castilleja exserta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32504 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
  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
  UCSB7456  Castilleja exserta subsp. exserta Ballard Riverside Temecula Comment
  OBI8275  Castilleja foliolosa David J. Keil, Malcolm McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA519243  Castilleja foliolosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SBBG54975  Castilleja foliolosa D. Keil, M. McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UC1552003  Castilleja foliolosa Lyman Benson 1946-4-15 12038 Riverside along 29 Palms Rd from town of Whitewater; San Bernardino Mtns., Colorado Desert 457 Comment
  RSA0010957  Castilleja miniata subsp. miniata Fordyce Grinnell Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  UCR224387  Casuarina cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  RSA531097  Caulanthus cooperi M. B. Dunkle 1937-3-25 4902 Riverside Colorado Desert. Shaver s Well Comment
  RSA673540  Caulanthus heterophyllus Scott D. White, Tasha La Doux 2000-4-20 7678 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR20735  Caulanthus heterophyllus A. C. Sanders, Steve Boyd 1980-5-2 1396 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR280954  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 61 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR29602  Caulanthus heterophyllus Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  UCR37466  Caulanthus heterophyllus Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  UCR68472  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3844 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA398820  Ceanothus cordulatus Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  CAS-BOT-BC48455  Ceanothus crassifolius Herbert L. Mason; Munz; Peirson 1926-4-30 3120 Riverside Southwestern Riverside Co. - Temecula canyon, 2 miles south of Temecula Comment
  RSA25590  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside Santa Ana Mts. Ortega Hwy, 3.3 miles E of Orange County line. 579 Comment
  RSA518452  Ceanothus crassifolius C. W. Tilforth, Dorothy Tilforth 1977-3-6 1260 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  UCR101453  Ceanothus crassifolius A. C. Sanders 1997-4-10 20332 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  SEINET13945817 Image available Ceanothus cuneatus S. Lambert 1981-1 1937 Riverside San Bernadino Natl. Forest, 14.45 mi. E of Hemet, SW slope 1219 Comment
  RSA606747  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27403 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR30503  Ceanothus papillosus R. J. Weatherby 1950-1 1365 Riverside Peninsular Range; Santa Ana Mtns., head of Hagador Canyon, Southwest of Corona 1159 Comment
  UCR26628  Ceanothus spinosus E. W. Lathrop 1966-3-30 6120 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  UCR175061  Centaurea melitensis Teresa Nieto 2005-5-26 24 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  NY532374  Centaurea repens S. D. Boyd 1989-7-6 3758 Riverside S of Jurupa Rd, E of intersection with Van Buren Ave. Comment
  RSA425055  Centaurium venustum E. Misquez 1987-5-16 8 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  RSA543837  Cerastium glomeratum Steve Boyd, Orlando Mistretta 1991-5-22 6288 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CLARK-A1656-871  Cercidium floridum Jim Cornett 1977-7-2 Riverside Desert Hot Springs 441 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  RSA586150  Cercocarpus minutiflorus D. L. Banks, Steve D. Boyd 1995-3-30 112 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 720 Comment
  CLARK-A1528-181  Chaenactis artemisiifolia C. M. Flanagan 1973-4-14 OO 102 Riverside Sunnymead 609 Comment
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Mar 26 2014
  UC1424842  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside trail between El Carriso and San Mateo Canyon (main divide truck); Santa Ana Mountains, Cleveland Nat'l Forest 1219 Comment
  CAS-BOT-BC276378  Chaenactis carphoclinia S. B. Parish 1906-4-20 6785 Riverside Palm Springs Comment
  OBI51893  Chaenactis carphoclinia David Charlton 1988-2-25 1227 Riverside S side of Little San Bernardino Mts. Dillon Rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to i-10. 5 mi E of jct Dillon rd and Fargo Cyn rd 610 Comment
  RSA703411  Chaenactis carphoclinia var. carphoclinia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1463 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC894419  Chaenactis carphoclinia var. carphoclinia P. A. Munz Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  SEINET10801716  Chaenactis carphoclinia var. carphoclinia David B. Dunn 1947-3-16 Dunn 2907 Riverside Hill slope by quadrat IV. Pushawalla Canyon Biota. Indio Hills. Comment
  CAS-BOT-BC276926  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  RSA249464  Chaenactis fremontii John F. Emmel 1973-4-7 429 Riverside Carrizo Creek wash, just SW of Pines to Palms Hwy, 4 air miles SSW of Palm Desert 320 Comment
  UCR122748  Chaenactis fremontii George K. Helmkamp, E. A. Helmkamp 1998-4-24 3385 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR133965  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 958 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR167056  Chaenactis glabriuscula Scott D. White, Jennifer H. Jones 2005-5-24 11097 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCSB69915  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  CAS-BOT-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR102873  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1997-3-26 20118 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
  POM66585  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UC456027  Chaenactis parishii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA435979  Chamaesyce albomarginata N. C. Cooper 1948-5-13 2849 Riverside Devil's Garden. 244 Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  RSA180364  Chamaesyce polycarpa E. W. Lathrop 1960-5-27 5245 Riverside 6 miles west of Murrieta. Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  UC195031  Chamaesyce polycarpa Joseph Grinnell 1910-3-17 Riverside Colorado River, Riverside Mtn Comment
  RSA433504A  Chamaesyce polycarpa var. hirtella Ora M. Clark 1929-2-23 1559 Riverside North of Whitewater Comment
  RSA550000  Chamaesyce prostrata O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  RSA0104441  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-28 7663 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  CLARK-A1528-32  Cheilanthes californica E. M. Gifford 1938-1-9 7 Riverside Corona 457 Comment
  CAS-BOT-BC66320  Cheilanthes clevelandii Peter H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA125298  Cheilanthes clevelandii P. H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  RSA685715  Cheilanthes covillei N. R. Zabriskie, W. M. Zabriskie 1971-4-9 365 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  UC1286694  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-25 Riverside Andreas Canyon Palm Springs Comment
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Apr 16 2011
  IRVC3136  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 137 Riverside Palms to Pines Hwy. Santa Rosa Mountains 701 Comment
  RSA85545  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  CSUSB1379  Chenopodium album Leland E. Francois 1966-3-29 5 Riverside City of Riverside Southeast corner U.S. Salinity Laboratory property, located at the corner of 14th Street and Palm Ave. 289 Comment
  SD186162  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluence of Boxby and Anderson Canyons. 366 Comment
  UCR114093  Chenopodium album A. C. Sanders, Mitch Provance 1999-9-26 23131 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR93232  Chenopodium botrys A. C. Sanders, S. Ogg 1994-7-28 15184 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  HSC4382  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside About 5 mi. NE of Aguanga Comment
  RSA788562  Chenopodium murale Duncan S. Bell 2012-3-8 3142 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SD185187  Chenopodium murale T. B. Salvato, Melissa Clemons 2005-6-23 1318 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  RSA286100  Chenopodium murale John F. Emmel 1980-10-5 761 Riverside Hemet; 0.9 air mile WNW of peak of Reservoir Butte. 523 Comment
  CDA3099  Chenopodium strictum Mitch Provance 2000-11-2 2296 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  RSA666524  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mountains: Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. [Coordinates are off] 287 Comment
  CSUSB731  Chilopsis linearis Susan Larisch 1963-3-23 S. N. Riverside Ca. 10 miles above Mecca, California in Fox Canyon. Ca. 50 meters of roadside Comment
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Mar 24 2013
  UCR16157  Chilopsis linearis J. N. Bullock 1970-5-8 P 17 Riverside Western Colorado Desert, 100 meters SE of Calif. State Hwy 195, 8.9 m. E. of the ['All American'] Coachella Canal 293 Comment
  UCR199614  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCSB56453  Chilopsis linearis Fulton, Michelle 1986-3-9 Riverside Box Canyon, 5 mi. NE of Mecca 60 Comment
  SEINET10457922  Chilopsis linearis Rose 1935-12-22 Rose 35682 Riverside Colorado Desert. Palm Canyon Wash. Desert. 183 Comment
  RSA296186  Chilopsis linearis subsp. arcuata B. A. Prigge 1980-8-5 3824 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  RSA545216  Chilopsis linearis subsp. arcuata R. F. Thorne 1970-10 41877 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA0012171  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA585048  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 1 Riverside Temecula: Drake Enterprises vineyard at Buck Rd. and Berenda Road Comment
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Apr 10 2009
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  SJSU9102  Chorizanthe brevicornu T. N. Seeno 1963-4-12 277 Riverside 10-12 mi N of Palm Springs 426 Comment
  JOTR35047  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3500 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA339657  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, C. W. Tilforth 1980-5-28 54227 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UC1552040  Chorizanthe brevicornu var. brevicornu David Charlton 1988-2-19 1171 Riverside Box Cyn on road between Cottonwood Wash and Mecca (n of Mecca Hills, near Mecca); Orocopia Mountains, n of Mecca Hills 457 Comment
  RSA656553  Chorizanthe coriacea A. C. Sanders 2000-5-25 23406 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  IRVC26261  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA228825  Chorizanthe fimbriata C. W. Tilforth 1969-7-27 229 Riverside Along State Hiway 74, 9.4 west of jct. with Grand Ave., Lake Elsinore. Comment
  RSA392689  Chorizanthe leptotheca H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside San Jacinto Mts. Comment
  UCR243124  Chorizanthe leptotheca Kate Kramer 2012-5-8 259 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCR104902  Chorizanthe parryi A. C. Sanders 1997-3-19 20009 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  POM13242  Chorizanthe parryi var. parryi P. A. Munz, J. M. Johnston 1922-5-19 5359 Riverside 5 miles NE of Murietta. 457 Comment
  UCR216949  Chorizanthe parryi var. parryi Kim Sparks, Karyn L. Drennen, Ana Hernandez 2010-3-18 6 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~75m NNW of La Alba Dr. 427 Comment
  RSA500097  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-4-2 3213 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA0049855  Chorizanthe rigida Jim Andre 2014-1-27 26666 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0098331  Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5 km WNW of White Water, 20 km NW of Palm Springs. 456 Comment
  UCR112584  Chrysanthemum coronarium A. C. Sanders 1998-4-16 21753 Riverside Riverside, field on the W side of Iowa Ave., just north of the Santa Fe RR tracks 287 Comment
  JEPS44384  Chrysolepis sempervirens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4264 Riverside Summit of Toro Peak; Santa Rosa Mts. Comment
  RSA5250  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  SD255185  Chrysolepis sempervirens R. F. Thorne, W. Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak. 3171 Comment
  UCR23281  Chrysothamnus nauseosus John C. Roos, L. Roos 1950-10-21 5013 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  POM352017  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  RSA0118063  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7620 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  SDSU21592  Chylismia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, ca. 10.5 air miles southwest of the ghost town of Rice, and ca. 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CAS-BOT-BC160585  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside Box Canyon 4.5 miles east of turn of Painted Canyon Comment
  CAS-BOT-BC160593  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-20 704 Riverside Colorado Desert. Indio; north of date ranch Comment
  CAS-BOT-BC160595  Chylismia claviformis subsp. aurantiaca Jeanne Janish; Carl Janish 1953-7-1 1029 Riverside Idyllwild Comment
  CAS-BOT-BC160601  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-18 729 Riverside 4 mi up Painted [Canon] Canyon Comment
  UC1602062  Chylismia claviformis subsp. aurantiaca H. Lewis 1952-4-5 Riverside rd to 29 Palms 1 mi s road to Desert Hot Springs Comment
  UC68523  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5805 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  RSA725957  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley: Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  UC1535382  Cirsium occidentale var. californicum A. C. Sanders and B. Pitzer 1987-4-21 7048 Riverside near southernmost radio towers Box Springs Mountains; , Riverside East Quad. 792 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR37455  Clarkia deflexa Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  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
  RSA0060021  Clarkia epilobioides Robert F. Thorne, Walter Wisura, D. Mitchener 1982-5-24 55195 Riverside Santa Ana Mts., Cleveland National Forest: Along Ortega Hwy. 732 Comment
  RSA500545  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3618 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA678934  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-6-3 9477 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  POM122431  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UC20030  Clarkia rhomboidea H. M. Hall June 1901 2264 Riverside nw side San Jacinto Mountains (at Schains) Comment
  UCR68866  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA759272  Claytonia parviflora Robt Allen, Lorrae Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  RSA614413  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA650479  Clematis lasiantha G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCD95596  Clematis ligusticifolia F. C. Vasek 1978-7-28 s.n. Riverside San Bernardino Mtns.: Cushenbury Springs. 1250 Comment
  UCR79476  Clematis ligusticifolia Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7676 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  POM85797  Cleome isomeris Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  UCR132612  Collinsia heterophylla Kent Beaman 1983-4-24 03 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  CHSC106481  Collinsia parryi Robt. Allen; L. Fuentes 2008-4-10 Riverside Peninsular Ranges; Santa Ana Mountains region: San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. UTM Zone 11S; 3719120 mN 460446mE. 627 Comment
  RSA527871  Collinsia parviflora Scott D. White 1991-5-24 91 -69 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf and W of Hwy 38, S of Hwy 18 and Baldwin Lake. 2073 Comment
  UCSB61501  Colubrina californica Sanders, A.; Lawlor, E. 1992-4-4 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 243 Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC1584111  Convolvulus simulans Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3890 Riverside cinder cone ridge at n side of mouth of Temecula Creek Cyn (s flank of mt.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UCR65286  Convolvulus simulans Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3890 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR92650  Conyza coulteri F. M. Reed 1907-10-16 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 457 Comment
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Oct 6 2017
  CDA20751  Conyza sumatrensis R. W. Schaffer 2006-11-17 PDR 1262127 Riverside near Oasis St., Indio Ca. 0 Comment
  POM12908  Corallorhiza maculata Philip A. Munz 1922-6-28 5865 Riverside Santa Rosa. Santa Rosa Mountains. 2134 Comment
  RSA0010993  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1627 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  HSC5411  Coreopsis californica C. L. Hitchcock, C. V. Muhlick 1964-3-22 23262 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  CAS-BOT-BC101304  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCD130860  Corethrogyne filaginifolia R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA596182  Corethrogyne filaginifolia var. filaginifolia D. L. Banks 1996-11-7 1208 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 426 Comment
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  UCR861  Cotula australis Shirley Ward 1957-5-3 s.n. Riverside San Bernardino Valley Region, Riverside, 1065 8th Street [= University Ave.; near UCR campus] 305 Comment
  UC84529  Cotula coronopifolia Stephens 1895-3-31 Riverside Palmetto Springs [Palm Springs] Comment
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Apr 17 2011
  CAS-BOT-BC427774  Crassula connata H. K. Wagnon 1944-3-12 342 Riverside West fork of Eagle Canon [Canyon], between Palm Springs and Cathedral City Comment
  CAS-BOT-BC427917  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR174348  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32487 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR230201  Crassula connata A. C. Sanders 2011-4-6 38993 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
  RSA92578  Cressa truxillensis J. C. Roos 1952-5-21 5703 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  SBBG2861  Crossosoma bigelovii K. K. Muller 1953-3-22 573 Riverside W side of Whitewater Cyn, 1 mi N of Hwy 60 Comment
  SDSU5799  Crossosoma bigelovii A. H. Gallup 1949-3-28 352 Riverside Palms to Pines Hwy. at 2500 ft. above Desert Center [interpreted to be Palm Desert], east slope, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  RSA429  Croton californicus J. T. Howell 1928-7-9 1060 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA774894  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR21936  Croton californicus Steve Boyd 1980-5-11 244 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR278562  Croton californicus Mitch Provance 2012-7-28 712- 08 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  UCR41370  Croton californicus N. M. Fellows 1985-1-5 63 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  LA204863  Croton californicus Carl Epling; March 1927 s.n. Riverside Whitewater Pass, near Palm Springs. Comment
  SEINET9253118 Image available Croton californicus Hugh Harvey 1940-2-16 M 1117 Riverside Morongo Reservation. 579 Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  RSA480569  Croton californicus var. mohavensis Christopher Davidson 1979-4-29 7818 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  CDA20028  Crypsis schoenoides D. Domenigoni 2002-8-3 PDR P 170159 Riverside West Coast Turf on Hwy 79, Winchester. 0 Comment
  UCR258006  Cryptantha Mitch Provance 2003-4-5 403- 01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of 'Noname Mtn.' 755 Comment
  UCR258015  Cryptantha Mitch Provance, Seychelle Provance, Adey Tadesse 2003-5-24 503- 02 Riverside NW edge of Riverside, Santa Ana River bottom, just east of the 60 Freeway bridge 246 Comment
  RSA18944  Cryptantha angustifolia Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9515 Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  RSA795934  Cryptantha angustifolia Duncan S. Bell 2009-4-19 262 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC1931686  Cryptantha angustifolia J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  UC729732  Cryptantha angustifolia Carl B. Wolf 1932-4-27 Riverside 17 mi e Mecca; Colorado Desert 152 Comment
  RSA339314  Cryptantha barbigera R. F. Thorne, R. K. Benjamin, C. W. Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54048 Riverside SAN BERNARDINO MTS. : Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA49167  Cryptantha barbigera P. A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  UCR165812  Cryptantha barbigera John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR260836  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41517 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  POM368352  Cryptantha circumscissa M. B. Dunkle 1933-5-6 3402 Riverside Colorado Desert. Dry Morongo Creek Comment
  HSC85290  Cryptantha clevelandii Steve Boyd 1986-5-1 1797 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
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Oct 2 2012
  SEINET12280746  Cryptantha clevelandii J. F. Bright, Wyman, C. 1933-1 8081 Riverside in desert near Palm Springs Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CAS-BOT-BC218861  Cryptantha costata Lewis S. Rose 1962-3-2 62002 Riverside La Quinta 3 Comment
  JEPS123727  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake, approx. 6 mi north of I-10 freeway about 15 mi E of Desert Center. USGS 7.5 min. quad. Sidewinder Well. Comment
  POM47499  Cryptantha costata Mary F. Spencer 1920-4-7 1527 Riverside Palm Canyon. Colorado Desert 182 Comment
  UCR41546  Cryptantha dumetorum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6087 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR256892  Cryptantha inaequata Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  RSA0014467  Cryptantha intermedia Justin M. Wood, J. Miner 2010-4-29 1541 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA614668  Cryptantha intermedia Scott D. White 1997-2-28 4717 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 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
  UC56844  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA0075627  Cryptantha intermedia var. johnstonii P. H. Raven 1959-4-23 14020 Riverside 4.1 miles west of Dripping Springs. Comment
  JOTR36430  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3402 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA777771  Cryptantha maritima Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 978 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  RSA784934  Cryptantha maritima Duncan S. Bell 2012-2-12 3102 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 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
  UCR52018  Cryptantha maritima var. pilosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2179 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC24832  Cryptantha micrantha H. M. Hall 1901-6-1 2051 Riverside Onstatts Valley San Jacinto Mountains 1371 Comment
  POM13116  Cryptantha microstachys P. A. Munz, I. M. Johnston 1922-5-19 5338 Riverside 5 mi. E of Murrieta. 488 Comment
  RSA263650  Cryptantha microstachys E. W. Lathrop 1968-6-2 6959 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA585740  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-9 403 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
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UC1563133  Cryptantha muricata Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3162 Riverside just sw Vail Lake Area dam; Vail Lake Area 487 Comment
  RSA0079247  Cryptantha muricata var. jonesii Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4457 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  SBBG53354  Cryptantha nevadensis var. nevadensis J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  SEINET3225524 Image available Cryptantha pterocarya A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37476 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 (McCoy Peak 7.5. Q) 204 Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  RSA0106759  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Amanda Turek 2009-3-29 142 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  JOTR34063  Cryptantha pterocarya var. purpusii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2961 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCR157660  Cryptantha utahensis A. C. Sanders 1995-4-13 16496 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR48398  Cryptantha wigginsii Steve Boyd 1986-5-1 1797 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UC921126  Cucurbita palmata V. D. Miller 1945-5-17 Riverside Cottonwood Springs 1066 Comment
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Oct 9 2010
  UCR124168  Cupressus forbesii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCR174374  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32622 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UCR262232  Cuscuta californica T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3713 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  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
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  CLARK-A1528-2578  Cycloloma atriplicifolium John C. Roos 1951-9-25 5300 Riverside Santa Ana River 259 Comment
  UCR131791  Cycloloma atriplicifolium Mitch Provance 1998-6-11 643 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR19706  Cyclospermum leptophyllum John C. Roos, L. Roos 1953-5-9 5917 Riverside Riverside, Fairmont Park 259 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  JOTR35427  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 130 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain peak 1630 Comment
  UCR233936  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 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
  UCR244312  Cynanchum utahense Jim Andre 2012-4-15 20848 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UC816850  Cynodon dactylon Ivan Johnston 1917-4-4 1116 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  RSA179525  Cynodon dactylon E. W. Lathrop 1960-6-8 4917 Riverside 14 miles west of Murrieta Comment
  UCR64262  Cyperus difformis Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  POM78942  Cyperus eragrostis I. M. Johnston 1925-7-19 s.n. Riverside Pedley. Comment
  RSA522104  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3797 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA365083  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River 4 mi NW of Corona. Comment
  RSA596541  Cyperus odoratus Darin L. Banks, Lauren Raz 1996-8-29 1144 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  UCR126424  Cyperus rotundus T. B. Salvato, A. C. Sanders 2000-4-27 64 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  RSA559351  Cyperus squarrosus Steve Boyd, Timothy S. Ross 1992-5-15 7391 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA751911  Cystopteris fragilis Scott D. White, Justin M. Wood 2009-5-22 12914 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. 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
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  RSA0106713  Dalea mollis Duncan S. Bell 2011-9-30 2943 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA404183  Dalea mollis L. H. Jones 1910-3-18 s.n Riverside Riverside Mountain, near the Colorado River. Comment
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  SEINET958515  Dalea mollis Dave Silverman, Cindy Hopkins 2005-1 5755 Riverside NE Riverside County, transition between Ward and Rice Valleys, S of Danby Dry Lake, S. of Highway 62, along Colorado River Aqueduct. 277 Comment
  UCR41592  Dalea mollis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6113 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CHSC99048  Dalea mollissima LeRoy Gross 2005-3-3 1558 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  UCR61938  Dalea mollissima C. B. Wolf 1932-4-27 02994 Riverside Western Colorado Desert, 14 mi. east of Mecca, on Blythe Road, east of Shavers Well 152 Comment
  CSUSB2045  Dalea spinosa Daryl Faustini, Ned Curtis 1973-7-11 248 Riverside Joshua Tree National Monument 182 Comment
  POM182346  Dasyochloa pulchella Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA0124739  Dasyochloa pulchella Duncan S. Bell, LeRoy Gross 2016-3-9 8846 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UC19642  Datisca glomerata Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA0108944  Datura discolor Duncan S. Bell, Amanda Bell 2012-1-28 3066 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  CSUSB774  Datura meteloides Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  SD122191  Datura wrightii James C. Dice, T. Chung 1987-10-19 741 Riverside Southwestern Riverside County, ca. 3.2 km southwest of downtown Temecula, along edge of Via Tornado Road, ca. 0.6 km N of entrance to Santa Margarita Ecological Reserve 365 Comment
  UCSB17922  Datura wrightii Gerhart, Janet 1963-4-6 Riverside Coachella canal, siphon no. 22, 5 miles S of intersection of Salt Creek Wash Comment
  RSA645679  Daucus pusillus Scott D. White 1999-5-2 7287 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Mar 23 2011
  SEINET237964  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  POM9606  Daucus pusillus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  RSA703250  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  UC1929633  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region; McCall Memorial Park Campground. 1311 Comment
  RSA714017  Deinandra paniculata R. E. Riefner 2004-8-27 04 -398 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 221 Comment
  SEINET7838973 Image available Deinandra paniculata I. M. Wilder 1905-7-25 127 Riverside Jurupa Hills west Riverside Comment
  RSA149645  Delphinium parishii Harlan Lewis, C. Epling 1941-5-2 s.n. Riverside White Tank, Joshua Tree Nat'l Mon. Comment
  UCD96241  Delphinium parishii H. Lewis; C. Epling 1941-5-7 s.n. Riverside 3 miles north of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UC912669  Delphinium parishii subsp. parishii Curtis Ferris 1932-3-23 87 Riverside Palm Springs Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  CAS-BOT-BC121428  Delphinium parryi subsp. parryi Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  UCR194234  Delphinium parryi subsp. parryi Mitch Provance, Michael L. Fugate 2005-4-14 10054 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA398680  Delphinium parryi subsp. purpureum N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  SD212680  Dendromecon rigida Jennifer H. Jones, Teresa Bui et al 2006-5-31 344 Riverside San Jacinto Mountains: just down Mt. Edna Road West off of CA Highway 243 1146 Comment
  CAS-BOT-BC198169  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside 10 mi. NE of Murietta along roadside, Menifee Valley Comment
  RSA771759  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4636 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM10270  Descurainia pinnata subsp. halictorum Anonymous 1904-4-10 s.n. Riverside Wilders Canon, Jurupa Hills, near Riverside. Comment
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Feb 2 2013
  UCR59506  Descurainia sophia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3243 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  RSA249841  Dichelostemma capitatum subsp. capitatum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38106 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1676 Comment
  RSA524406  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4097 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  CAS-BOT-BC292202  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  RSA503357  Dicoria canescens S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  SFV11885  Dicoria canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  RSA9753  Dicoria canescens L. C. Wheeler 1933-3-1 2287 Riverside 2 miles E Cabazon, San Gorgonio Pass. 640 Comment
  CAS-BOT-BC292246  Dieteria asteroides var. asteroides Ted Hutchinson 1953-10-20 18703 Riverside Along U.S. Hwy 60/70 near Desert Center Comment
  UC1463883  Dieteria canescens var. ziegleri J. Derby and T. Krantz 1977-10-1 Riverside along 7SO2 road to Santa Rosa Summit at turn-off for peak; Santa Rosa Mt. Comment
  UCR117345  Dimorphotheca sinuata Mitch Provance 1998-3-21 247 Riverside Glen Avon, Jurupa Rd., c. 0.25 miles west of Camino Real. 244 Comment
  UCR277403  Dimorphotheca sinuata Anonymous 1942-4-26 s.n. Riverside Palm Springs 183 Comment
  CAS-BOT-BC150936  Diplacus bigelovii var. bigelovii Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  RSA0019290  Diplacus brevipes A. C. Sanders 2008-7-25 35896 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  CAS-BOT-BC153101  Diplacus fremontii E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  RSA0086589  Diplacus puniceus Bonnie C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1086 Riverside Hillsides near Gavilan Peak. 607 Comment
  RSA0019296  Diplacus puniceus Steve D. Boyd, Aydee Virgen 2004-4-13 10850 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA70431  Ditaxis californica F. W. Peirson 1921-3-23 2043 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  RSA134883  Ditaxis claryana L. S. Rose 1959-1-8 s.n. Riverside La Quinta. Comment
  JOTR36013  Ditaxis lanceolata Harding, Mitzi, T. Herskovits 2012-3-16 220 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA13944  Ditaxis lanceolata P. A. Munz 1922-4-9 4883 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR86210  Ditaxis lanceolata A. C. Sanders 1995-5-23 17112 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA0108936  Ditaxis neomexicana Duncan S. Bell, Amanda Bell 2012-1-28 3074 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  RSA775099  Ditaxis serrata Duncan S. Bell, Michael Hee 2011-3-18 2054 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA340181  Dithyrea californica R. F. Thorne 1980-5-28 54185 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  SBBG72435  Dithyrea californica unknown 1895-1 Riverside Palm Springs Comment
  UC856055  Dithyrea californica Ira L. Wiggins 1937-3-9 8765 Riverside n of Indio Comment
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Dec 16 2011
  RSA789351  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
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Mar 30 2013
  CAS-BOT-BC41700  Draba cuneifolia var. sonorae H. M. Hall 1903-4-1 3804 Riverside Vicinity of Riverside. 365 Comment
  POM161558  Draba saxosa Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain Comment
  RSA621448  Dryopteris arguta Darin L. Banks 1997-11-15 2190 Riverside North face of Dorland Mountain, east of the Dorland Mountain Arts Colony 537 Comment
  UCR178152  Dryopteris arguta Tracy Tennant 1998-3-10 MOR- 1109 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  POM274431  Dudleya lanceolata Lyman Benson 1939-12-14 s.n. Riverside 10 mi. W of Banning, US 99 915 Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  HSC47382  Dudleya saxosa subsp. aloides Richard Spjut, C. E. Edson 1978-5-5 5017 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA397789  Dudleya saxosa subsp. aloides H. de Forest 1924-4-15 s.n. Riverside Whitewater Comment
  UC2059983  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountains, ca. 1/2 mi from Highway 74 on Ramona Trail. Comment
  SEINET269473 Image available Echinochloa crus-galli Scott D. White, Steve Ogg 1994-10-17 2468 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  POM78996  Echinochloa crus-galli I. M. Johnston 1925-7-19 s.n. Riverside Pedley. Comment
  POM318594  Eclipta prostrata Patricia Wilder 1970-10-15 4774 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA192161  Elatine chilensis E. W. Lathrop 1966-5-1 6243 Riverside 3 miles W of Murrieta. Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA665176  Eleocharis engelmannii R. E. Riefner 2001-12-16 1 -775 Riverside Paloma Valley; near Antelope Rd. and Garbini Rd. 450 Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CAS-BOT-BC112745  Eleocharis geniculata A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 548 Comment
  UCR256087  Eleocharis macrostachya G. D. Wallace 2003-7-8 4032 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR90606  Eleocharis macrostachya Scott D. White 1995-6-29 3392 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA162801  Eleocharis palustris J. D. Olmsted 1959-9-23 1020 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  CAS-BOT-BC113297  Eleocharis parishii P. A. Munz; L. F. Street; G. Williams 1919-3-25 2328 Riverside Palm Canon, Palm Springs, along stream. Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  UCR2361  Elymus glaucus subsp. jepsonii F. M. Reed 1908-7-13 2429 Riverside San Jacinto Mtns., Tahquitz Valley, north side 2561 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  JEPS1595  Emmenanthe penduliflora W. L. Jepson 1901-5-22 1363 Riverside upper part Palm Canyon; Mt. San Jacinto Comment
  POM72898  Emmenanthe penduliflora Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM8455  Emmenanthe penduliflora Mary F. Spencer 1920-4-2 349 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA33518  Emmenanthe penduliflora N. C. Cooper 1944-4-8 1053 Riverside Andreas Canyon. 305 Comment
  RSA401449A  Emmenanthe penduliflora N. C. Cooper 1944-3-26 1030 Riverside Morongo Pass 610 Comment
  UCR199561  Emmenanthe penduliflora Scott D. White 2004-4-26 10269 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR279586  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-28 43145 B Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR87618  Emmenanthe penduliflora A. C. Sanders 1994-5-30 14619 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  JOTR34387  Emmenanthe penduliflora var. penduliflora Andre, Jim 2012-4-16 20914 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  SEINET273110  Encelia A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside March Air For Base ; West of highway 215 at west end of Cactus Avenue; vicinity of former weapons storage facility. 518 Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  UCD131191  Encelia actoni L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, Colorado Desert. 914 Comment
  UCR2918  Encelia californica Nancy Atha 1963-2-23 23263- 2 Riverside N side of [Quarry] hill at corner of Madison Street & Victoria Avenue, Riverside 244 Comment
  CAS-BOT-BC131324  Encelia farinosa Peter H. Raven 1958-2-15 11586 Riverside Along U. S. Highway 60, 8.7 miles east of road to Wiley Wells Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  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
  SJSU1904  Encelia farinosa J. W. Tilden 1957-4-18 1099 Riverside near Whitewater E of San Gorgonio Pass Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  RSA761294  Encelia frutescens Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-25 217 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  CAS-BOT-BC81541  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  UCR177328  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  CAS-BOT-BC171739  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-4 199 Riverside Strawberry Valley Trail, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA38400  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Springs; Joshua Tree National Monument. 1098 Comment
  RSA5469  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC488890  Epipactis gigantea C. V. Meyer June, 1927 213 Riverside Half-way House Idyllwild Grade 1066 Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  POM965  Equisetum arvense L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  POM9736  Equisetum hyemale var. affine E. C. Jaeger 1921-6-18 s.n. Riverside Tahquitz Creek. San Jacinto Mountains 2134 Comment
  UCR68855  Equisetum laevigatum Steve Boyd, T. S. Ross 1990-5-11 4641 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCSB51372  Eragrostis cilianensis Roos, John 1965-7-7 Riverside San Jacinto Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  UCR97253  Eragrostis mexicana Scott D. White 1996-9-22 4535 B Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCD63455  Eragrostis mexicana subsp. mexicana F. M. Reed Date Unknown 1469 Riverside Riverside and vicinity, roadsides in Riverside. Comment
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Jun 16 2012
  RSA623563  Eragrostis mexicana subsp. virescens R. E. Riefner 1998-10-15 98 -525 Riverside Menefee-Paloma Valley Comment
  UC577615  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs; San Jacinto Quad. Comment
  POM184299  Eremalche exilis P. A. Munz 1932-3-14 11992 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA543738  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  CAS-BOT-BC203233  Eremalche rotundifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2156 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  UC494836  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon Coachella Valley 152 Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  OBI39302  Eremothera refracta G. K. Helmkamp 1983-4-5 483 -15 Riverside Chuckwalla Mts, large wash below Chuckwalls spring, 9 mi SW of Graham Pass Rd 488 Comment
  RSA0105502  Eriastrum densifolium subsp. austromontanum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8656 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
  JOTR32374  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2485 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  RSA120688  Eriastrum harwoodii Duncan S. Bell 2010-4-1 650 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR215988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-25 23398 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
  RSA0121572  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0122970  Eriastrum sapphirinum subsp. sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  UC479194  Ericameria cooperi var. cooperi Marcus E. Jones 1931-5-17 28970 Riverside Keyes Ranch Comment
  UCR9567  Ericameria cuneata O. F. Clarke 1968-9-28 s.n. Riverside Santa Rosa Mtns, Toro Peak 2652 Comment
  CAS-BOT-BC286793  Ericameria cuneata var. spathulata John Thomas Howell 1928-1-31 3321 Riverside At nw. end of Pinto Basin, n. Colorado Desert Comment
  CAS-BOT-BC286795  Ericameria cuneata var. spathulata Edmund C. Jaeger 1923-5-7 s.n. Riverside Keyes' Ranch, Little San Bernardino Mts Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  UC496496  Ericameria teretifolia Philip A. Munz 1932-10-16 12872 Riverside to Vandeventer Flat road Indio (n slopes of Santa Rosa Mts.); Santa Rosa Mts. 1066 Comment
  UCR116920  Erigeron foliosus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24224 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
  UCR260551  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  POM357437  Erigeron foliosus var. foliosus Elbert Benjamine 1929-5-18 230 Riverside Mt. San Jacinto. Comment
  UC217913  Erigeron foliosus var. foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley 1371 Comment
  UCR201863  Eriochloa acuminata Justin M. Wood 2008-8-31 127 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
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 Comment
  UCR277736  Eriodictyon crassifolium Mitch Provance 2012-1-26 112- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, powerline access road, 0.4 miles due S of El Casco Substation. 687 Comment
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  OBI26129  Eriogonum David J. Keil 1976-12-12 11907 Riverside Ca 5 mi E of Indio along I-10 Comment
  JOTR33772  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  SEINET6328737  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SEINET7873764 Image available Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  CAS-BOT-BC242800  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  RSA701043  Eriogonum deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11288 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
  UCR281912  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-19 43339 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  JEPS35766  Eriogonum deflexum var. deflexum W. L. Jepson Oct 22 1912-Nov 7 1912 5235 Riverside near Riverside Mts.; Colorado River 45 Comment
  POM10472  Eriogonum elongatum F. M. Reed 1904-8-15 s.n. Riverside Riverside. Along Blair Street Comment
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Jul 4 2010
  RSA314467  Eriogonum elongatum Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55385 Riverside San Bernardino Mountains: Side-canyon on east side of Whitewater Canyon, about 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon). 595 Comment
  UCR231185  Eriogonum fasciculatum A. C. Sanders, Kent Beaman 2011-9-27 39918 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA708052  Eriogonum fasciculatum subsp. foliolosum Scott D. White, Angelia Carey 2004-4-16 10169 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR235219  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, John F. Green 2012-6-1 40240 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  CAS-BOT-BC249951  Eriogonum fasciculatum var. foliolosum Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC249962  Eriogonum fasciculatum var. foliolosum M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2951 Riverside Temescal Canyon Rd. ca. 1 mi. SE of Glenn Ivy Hotsprings [Hot Springs] Rd. ca. 200 m. from RR overpass 259 Comment
  POM294053  Eriogonum fasciculatum var. foliolosum Lyman Benson 1945-11-10 11915 Riverside 5 miles east of Temecula. 457 Comment
  JOTR30060  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour Rd., N of Malapai Hill 1267 Comment
  RSA316417  Eriogonum fasciculatum var. polifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55399 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA393339  Eriogonum fasciculatum var. polifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  SD187459  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. Lake Fulmor 548 Comment
  SD186296  Eriogonum gracile John Green, S. J. Myers 2003-6-25 Riverside French Valley, Greenway site, along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs 395 Comment
  UCR137050  Eriogonum gracile A. C. Sanders 2004-5-5 27757 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA0125108  Eriogonum gracile var. gracile Duncan S. Bell 2016-10-27 10217 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA706134  Eriogonum gracile var. gracile M. Wall 2003-9-6 344 Riverside Hemet, residential yard area where the cultivated plants have been left to decline and native plants and weedy exotics are dominating. 540 Comment
  UCD100271  Eriogonum inflatum John Green; Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Beach, 1.5 mile transect along Coachella right-of-way, between siphons 25 and 26, NE of Hunters Spring, enar S base of Orocopia Mtns. 23 Comment
  JEPS56775  Eriogonum maculatum Marjorie D. Clary 1932-6-5 1020 Riverside 15 mi nw Indio (Dead Indian Trail); Colorado Desert 243 Comment
  UCR272168  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  SFV1022  Eriogonum pusillum P. M. Kennamer 1958-4-1 100 Riverside Palm Springs area. 0.75 miles from the Joshua Tree National Monument turnoff on U. S. Highway 99. 40 feet from west side of road. 213 Comment
  CAS-BOT-BC268554  Eriogonum saxatile Edmund C. Jaeger 1939-5-20 s.n. Riverside 15 miles south of Warren's Well, Mohave [Mojave] Desert 1219 Comment
  SBBG65556  Eriogonum saxatile L. Rowntree 1929-5-10 Riverside Morongo Pass Comment
  SBBG28175  Eriogonum thomasii I. W. Clokey 1935-4-17 Riverside Cottonwood Pass, Joshua Tree Nat Monument Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC472772  Eriogonum thurberi M. F. Spencer 1919-5-10 177 Riverside Little Mt. near Cottonwood Spring; Colorado Desert, Little Mt. Comment
  UCR177859  Eriogonum thurberi Marisa Sripracha, K. A. Boyd 2004-3-21 041 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR211720  Eriogonum thurberi Fred M. Roberts, D. E. Bramlet 2005-6-6 6247 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  POM259261  Eriogonum wrightii var. membranaceum P. A. Munz 1938-8-14 15384 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  SEINET8687228 Image available Eriophyllum ambiguum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs 150 Comment
  CAS-BOT-BC298404  Eriophyllum ambiguum var. paleaceum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt San Jacinto Comment
  RSA0121598  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, LeRoy Gross 2016-3-29 9104 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  SD232180  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 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
  POM357961  Eriophyllum confertiflorum Norman C. Cooper 1944-6-4 1373 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA594045  Eriophyllum confertiflorum var. confertiflorum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0928 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  CLARK-A1045-293  Eriophyllum multicaule George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  RSA744239  Eriophyllum multicaule Michael Wall 2009-5-15 507 Riverside Bautista Creek off Bautista Canyon Rd. ca. 8.25 miles SE of jct. with Fairview Ave. 757 Comment
  UC1929660  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  UCR152630  Eriophyllum multicaule A. C. Sanders 2005-4-22 29585 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR51838  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Plateau, Gavilan 600 Comment
  UC1118232  Eriophyllum wallacei H. S. Yates 1936-4-7 5427 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UC572555  Eriophyllum wallacei H. S. Yates 1937-3-23 6412 Riverside 3 mi n of Palm Springs; San Jacinto Quadrangle 213 Comment
  RSA708651  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA594048  Erodium botrys D. L. Banks, Elizabeth Hedge Banks 1996-5-2 920 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA390947  Erodium brachycarpum Christopher Davidson 1977-5-25 5644 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  POM8326  Erodium texanum Mary F. Spencer 1920-3-14 s.n. Riverside Desert sand, Colorado Desert. -60 Comment
  UCR248053  Erodium texanum Duncan S. Bell 2012-3-8 3149 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UC10559  Erysimum capitatum H. M. Hall July 1901 2339 Riverside in damp places San Jacinto Mountains, vicinity of Deer Springs 2743 Comment
  RSA530202  Erysimum capitatum var. capitatum Robert L. Rutherford 1944-6-17 1381 Riverside Above Banning. 1372 Comment
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA0015890  Erythranthe moschata Snell 1920-1 3402 Riverside Idyllwild. Comment
  SD137600  Erythranthe palmeri Darin L. Banks, Steve Boyd 1995-5-9 373 Riverside Cleveland National Forest, Agua Tibia Wiolderness Area, N face of Agua Tibia Mountain, theDorland Mountain area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 680 Comment
  RSA0023134  Eschscholzia androuxii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  RSA509569  Eschscholzia californica Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SD140040  Eschscholzia californica Scott White 1993-4-22 1243 Riverside Nor Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR178000  Eschscholzia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR22132  Eschscholzia californica Steve Boyd 1980-5-3 175 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR98679  Eschscholzia californica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CAS-BOT-BC91565  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37117 Riverside Palm Springs. 137 Comment
  JEPS51696  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11652 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA0123120  Eschscholzia minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9031 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC708740  Eschscholzia minutiflora H. K. Wagnon 1944-3-26 372 Riverside Cathedral Canyon Cathedral City (dry stream bed) Comment
  CAS-BOT-BC419627  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  RSA25313  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UCSB3661  Eschscholzia parishii Ray, Peter 1949-3-12 Riverside North side of Coachella Valley; 2 miles west of Whitewater 457 Comment
  SEINET9119329  Escobaria alversonii J. Dice, R. Steele, M. Moore 1982-1 Riverside Comment
  SDSU13824  Eucalyptus camaldulensis W. Miller with C. Mosse Riverside Comment
  UCR94497  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  HSC85458  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA612493  Eucrypta chrysanthemifolia D. L. Banks 1997-2-23 1324 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SD144470  Eucrypta chrysanthemifolia A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20700 Riverside San Jacinto Mtns: N side of range, Twin Pines Creek below the confluence with Brown Creek 854 Comment
  SEINET2445417  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah Stevens 2003-4-4 90 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR21927  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd 1980-4-8 110 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM13894  Eucrypta micrantha P. A. Munz, D. D. Keck 1920-4-9 4830 Riverside S base of Eagle Mtns. 213 Comment
  GMDRC9808  Eulobus californicus J. M. Andre 2017-3-1 38029 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UC869898  Euonymus occidentalis var. parishii C. Epling and Wm. Robison 1935-6-20 Riverside N. Fork San Jacinto R. Comment
  UCR240267  Euphorbia abramsiana Neal Kramer, Wendy McBride 2012-9-3 2068 Riverside Sonoran (Colorado) Desert, south side of Power Line Rd c. 2.75 miles east of Wily's Well Rd and 1.65 miles south of I-10 Fwy 129 Comment
  SD136852  Euphorbia albomarginata Steve Boyd, Tim Ross 1992-6-10 7638 Riverside So. Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon nr. 'Potrero Escondido', isolated area of low relief topping the ridge system due W of the junction of Tenaja Rd & Los Alamos Rd @ join of Los Alamos Ck. W/main trunk San Mateo Ck 669 Comment
  UCR101407  Euphorbia albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR143216  Euphorbia maculata L. C. Wheeler 1960-12-12 7703 Riverside University of California Riverside 335 Comment
  RSA489622  Euphorbia palmeri D. Charlton 1988-5-28 2119 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR941  Euphorbia palmeri J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCR245914  Euphorbia polycarpa Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3952 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR176698  Euphorbia prostrata R. D. Goeden, Don W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal 313 Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  UCR35601  Eustoma exaltatum J. M. Stewart 1984-6-18 8447 Riverside Santa Rosa Mtns., Bear Creek Oasis 854 Comment
  JOTR30626  Fagonia laevis Andre, Jim, Tasha La Doux 2008-3-21 8842 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA550346  Fagonia laevis Walter Wisura, John Dolan, M. Wall 1992-3-24 4642 Riverside Lowdesert: 5.6mi S of I-10 on rd to Corn Spring. Comment
  UC218081  Fagonia laevis P. A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 mi w Blythe 365 Comment
  UCR233184A  Fagonia laevis Jim Andre, Glenn L. Clifton 2011-2-22 17421 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR250113  Fagonia laevis A. C. Sanders, Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon 435 Comment
  UCR33569  Fagonia laevis Faulkner 1978-3-30 408 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 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
  CHSC8314  Ferocactus cylindraceus Edward L. Smith 1957-4-3 229 Riverside At White Water Canyon entrance, San Bernardino Mts. 579 Comment
  OBI2141  Ferocactus cylindraceus P. A. Holden 1969-4-11 730 Riverside Near jctn of I-60, 70 and State 62 highways Comment
  UCR2399  Festuca microstachys F. M. Reed 1907-4-4 6143 Riverside City of Riverside. Arroyo Tequesquite Comment
  UCR2403  Festuca microstachys F. M. Reed 1928-7-10 5984 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  UCR88299  Festuca microstachys A. C. Sanders, K. C. Rose 1995-4-5 16367 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1528-4670  Festuca reflexa John C. Roos 1938-4-9 1641 Riverside Riverside Comment
  UCR267284  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15- 217 Riverside City of Corona, Corona City Park, east side of Rimpau Ave. on north side of 6th St. 211 Comment
  RSA728602  Filago Gary D. Wallace, M. Z. Wallace 1982-3-27 1894 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  RSA192327  Filago gallica H. A. Zuill 1966-6-29 267 Riverside about 2 miles west of Murrieta. Comment
  RSA479909  Filago gallica Steve Boyd 1987-5-9 2086 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  UCR4475  Forestiera pubescens L. B. Ziegler 1963-3-18 s.n. Riverside 2 mi south of Mt. Russel (S of Moreno) Comment
  UCSB4143  Fouquieria splendens Philbrick, Ralph 1953-6-15 Riverside Joshua Tree National Monument near Salton Sea Comment
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Oct 22 2014
  CAS-BOT-BC223600  Fouquieria splendens subsp. splendens Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Cottonwood Springs Comment
  UC68599  Fouquieria splendens subsp. splendens H. M. Hall Apr 1905 5810 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCR246834  Fouquieria splendens subsp. splendens Jim Andre 2012-3-19 21304 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
  UC64538  Fragaria vesca H. M. Hall Aug 1897 861 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC211658  Frankenia salina Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  HSC25928  Fraxinus dipetala Richard Spjut 1972-3-14 2270 Riverside San Jacinto Mtns., Rte. 1 from Hwy. 10 to Idylwild 915 Comment
  RSA717849  Fraxinus dipetala T. B. Salvato 1998-5-14 MOR- 139 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  UC277060  Fraxinus velutina I. M. Johnston 1917-12-1 1804 Riverside nw of Corona; Santa Ana River 182 Comment
  RSA430208B  Fremontodendron californicum E. Misquez 1987-4-11 s.n. Riverside Motte Reserve, west of Hwy 215, at the end of a paved and dirt road at the end of Nuevo Rd. , near the water tanks--species planted here. Comment
  RSA359516  Fritillaria biflora Steve Boyd 1986-3-9 1377 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain 427 Comment
  RSA712545  Funastrum cynanchoides var. cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA3963  Funastrum cynanchoides var. hartwegii C. B. Wolf 1932-4-29 3102 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  SD258845  Funastrum hirtellum Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7649 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road.Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, eastnortheast of Mecca. 281 Comment
  UCR35176  Galium andrewsii L. B. Ziegler 1967-9-28 252 Riverside San Jacinto Mountains, Hemet (Garner) Valley 1463 Comment
  UCR133113  Galium angustifolium John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR156079  Galium angustifolium T. B. Salvato, Kent Beaman 2005-5-16 821 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
  JEPS56070  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4134 Riverside on road to Alvin Meadow from Idyllwild Comment
  UCR750  Galium angustifolium subsp. angustifolium J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  JOTR29191  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  JOTR34210  Galium angustifolium subsp. gracillimum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3002 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
  JEPS54620 Image available Galium angustifolium subsp. jacinticum L. T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside 0.9 mi above junction with road to Pine Wood (Black Mountain road); San Jacinto Mts.; Black Mt. road, San Jacinto Mts., Riverside Co. 1981 Comment
  POM48868  Galium angustifolium subsp. jacinticum Philip A. Munz, J. M. Johnston 1924-7-26 8702 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  RSA761233  Galium angustifolium subsp. jacinticum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 722 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD229268  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2011-8-25 655 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  CLARK-A1528-828  Galium aparine Fred B. Essig 1967-5-7 Riverside Box Springs Mountain 457 Comment
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UCR177638  Galium aparine S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR86553  Galium nuttallii subsp. nuttallii A. C. Sanders 1994-5-30 14606 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA454424  Galium parishii Robert Kessler 1920-07 s.n. Riverside Tahquitz Peak. 2707 Comment
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Aug 3 2008
  UCR177635  Galium porrigens John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  SDSU17273  Garrya fremontii Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2899 Riverside Devil's Slide Trail, San Jacinto Wilderness. East side of trail, ca. 1.2 miles north-northeast of Humber Park, ca. 1.35 miles north of Taquitz Peak. 2233 Comment
  RSA651116  Geraea canescens Fred Watkins 1949-2-16 s.n. Riverside Palm Springs. 609 Comment
  RSA680917  Geraea canescens Scott D. White, Michael Honer 2003-5-14 9272 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA79150  Geraea canescens P. A. Munz, P. C. Everett 1951-5-2 16254 Riverside 2 miles E of Garnet, Coachella Valley. 30 Comment
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Apr 21 2011
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCR118398  Gilia A. C. Sanders 1994-5-29 14560 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  SEINET7063436  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Hills. UTM Zone 11, 499122mE, 3715547mN. (WGS84/NAD83). 514 Comment
  CLARK-A1528-3500  Gilia angelensis John C. Roos 1966-3-22 Riverside Edgemont Comment
  RSA470129  Gilia angelensis H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  RSA606301  Gilia angelensis Jon E. Keeley 1994-4-22 25325 Riverside Shipley Reserve 670 Comment
  RSA314459  Gilia capitata subsp. abrotanifolia R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55470 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  RSA496470  Gilia diegensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3085 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UC908894  Gilia diegensis Herbert L. Mason 1928-3-11 4257 Riverside San Gorgonio Pass Comment
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  CAS-BOT-BC407616  Gilia ochroleuca subsp. exilis A. C. Sanders; S. Hawkins 1996-4-24 18071 Riverside San Bernardino Mountains: Morongo Indian Reservation, along dirt road in Hathaway Cyn. near Burro Flats 1158 Comment
  RSA0017280  Gilia ochroleuca subsp. exilis Scott D. White, Steve Ogg 1994-4-21 2004 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  SEINET13203141 Image available Gilia ochroleuca subsp. exilis A. C. Sanders 1994-1 14576 Riverside San Bernardio Mountains: East Branch Millard Canyon, along FS Road 4S45. (T2S, R2E, N/2 sec.21.) 1200 Comment
  JEPS61581  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside 8 mi sw Coachella (w of Coral Reef Ranch); Colorado Desert, sw of Coachella 91 Comment
  JOTR30698  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  RSA469731  Gilia stellata M. B. Dunkle 1935-3-31 4430 Riverside Pinto Basin. 915 Comment
  SD225059  Gilia stellata G. K. Helmkamp 1998-4-4 3130 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center - Rice Rd). 474 Comment
  CAS-BOT-BC266539  Githopsis diffusa John Roos; Lucille Roos 1952-5-24 5710 Riverside N of Moreno 502 Comment
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR79214  Githopsis diffusa subsp. candida Steve Boyd, T. S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  UCR202422  Gnaphalium californicum Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCR234241  Gnaphalium leucocephalum A. C. Sanders, T. B. Salvato 2012-4-27 40086 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  UC1980272  Gnaphalium palustre R. F. Thorne with E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55211 Riverside Peninsular Ranges; Santa Ana Mountains region; SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UC32013  Gnaphalium palustre H. M. Hall 1901-1-1 2666 Riverside San Jacinto Mountains Southern California, San Jacinto Mountains Comment
  RSA777829  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 855 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  CAS-BOT-BC304634  Gutierrezia californica Lewis S. Rose 1945-12-26 45330 Riverside Palm Springs 137 Comment
  POM359188  Gutierrezia californica Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle 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
  CLARK-A1045-314  Habenaria sparsiflora George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  UCR102848  Harpagonella palmeri A. C. Sanders 1997-3-26 20128 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA520079  Hazardia squarrosa var. grindelioides Steve Boyd, David E. Bramlet 1988-10-8 2876 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR116592  Hedypnois cretica A. C. Sanders, T. B. Salvato 2001-5-24 24367 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UC897323  Helenium bigelovii P. A. Munz 1922-9-7 6407 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  RSA754131  Helianthus californicus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 18 Riverside Idyllwild: In a dry creek bed. Comment
  UCR112490  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2000-5-30 23436 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SBBG87828  Heliotropium curassavicum var. oculatum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6092 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  RSA725969  Hemizonia fasciculata Mitch Provance 2005-5-27 4605 Riverside San Bernardino Valley: Riverside, Sycamore Canyon, just E of the corner of Canyon Crest Drive and Via Vista. 381 Comment
  UCR43409  Hemizonia fasciculata B. G. Pitzer, Karen Kirtland 1986-5-16 0262 Riverside Peninsular Range, Woodcrest area, adjacent to W side of Van Buren Blvd, and just north of Riverside city limit; E border adjacent to Gage Canal 351 Comment
  RSA736381  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-5-1 11922 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR154629  Hemizonia kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR60919  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3687 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR139627  Hemizonia paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR69754  Hemizonia paniculata A. C. Sanders, C. McGaugh 1991-7-19 11155 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR90423  Hemizonia paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mtns., Agua Tibia Mtns; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approx. 1.6 mi from the Wilderness boundary 939 Comment
  IRVC29255  Hemizonia pungens subsp. laevis Kay Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  RSA614387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 -B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR66976  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1990-6-14 1925 Riverside Auld Valley, in field at N edge of intersection of Washington and Auld Rd., c. 1160 m west of the Skinner Reservoir dam, just north of Tucalota Creek. 465 Comment
  UCR228929  Hesperocnide tenella A. C. Sanders 2011-4-6 39024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  UCR92394  Heterotheca sessiliflora subsp. echioides F. M. Reed 1907-10-20 1978 Riverside South Coast; San Bernardino Valley, Sandy mesa in W Riverside, Crestmore townsite 275 Comment
  SBBG55857  Hibiscus denudatus C. Davidson, J. Jones 1980-4-4 9961 Riverside W end of the Orocopia Mtns in a small cyn and wash almost S of Oro Peak 518 Comment
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Sep 17 2011
  UC68561  Hibiscus denudatus H. M. Hall 1905-4-17 5782 Riverside 10 mi. w. Coachella 121 Comment
  SEINET11993718  Hibiscus denudatus W. Knight, Knight, I. 1983-1 5404 Riverside Eagle Mts 244 Comment
  LA8285  Hilaria rigida Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCD89948  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCR239242  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 166 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  UCR272439  Hilaria rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 037 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  RSA0135568  Hilaria rigida G. Rink 2013-3-20 11900 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SDSU2430  Hirschfeldia incana S. J. Barnhart 1966-4-17 660417 -18 Riverside 0.1 east of McAllister St. along the Metropolitan Water Co. Utility Rd. and McAllister St. is 1.5 mi. south east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  RSA0087458  Hoffmannseggia glauca Sarah J. De Groot, Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SD215519  Hoffmannseggia glauca W. Wisura, J. Dolan and M. Wall 1992-3-25 4646 Riverside Ford Dry Lake north of I-10 at Hopkins Well. Comment
  UCR49372  Holocarpha virgata subsp. elongata S. J. Myers 1987-9-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Corona Calle Camino and El Cerezo Rd, immediately south of Redonda Mesa Comment
  RSA87061  Hordeum brachyantherum F. W. Peirson 1922-5-18 4336 Riverside Temescal Canyon 320 Comment
  UCR117116  Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR84843  Hordeum murinum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16136 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SBBG100515  Hordeum vulgare W. L. Halvorson 1977-1-4 77 -229 Riverside Corona Comment
  RSA594521  Hordeum vulgare var. trifurcatum D. L. Banks, Rashmi Pant 1996-5-13 1026 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, at the entrance of the Dripping Springs Campground; Approximately 10 m E of the Dripping Springs campground entrance. On the S side of Hwy. 79., T8S R1W; NW 1/4, NE 1/4 of sec. 22. 475 Comment
  SBBG72802  Horsfordia alata M. D. Clary -Apr-1930 1246 Riverside 12 mi SW of Coachella Comment
  SBBG3448  Hosackia oblongifolia var. oblongifolia M. Lewis 1947-8-26 5 Riverside Dark Cyn 1981 Comment
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Jan 16 2012
  UCSC008082  Hosackia oblongifolia var. oblongifolia Peter Kamb 1947-6-7 560 b Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  POM266314  Hulsea heterochroma J. C. Roos 1942-6-20 1274 Riverside Roadside N of Idyllwild. Comment
  POM126302  Hymenoclea salsola Thos Craig 1927-4-2 62 Riverside Wash below Hidden Springs; Colorado Desert. Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  SEINET2030094 Image available Hymenoclea salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass, near Cabazon Comment
  UCR41307  Hymenoclea salsola N. M. Fellows, A. C. Sanders 1985-4-9 161 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA674615  Hypericum formosum var. scouleri Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA740240  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA651718  Hypochaeris glabra Margaret Murphy 1983-4-15 0013 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CLARK-A1528-569  Hyptis emoryi John N. Bullock 1970-5-8 Riverside Box Canyon 256 Comment
  JOTR31916  Hyptis emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2161 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  SD38548  Hyptis emoryi Edith Purer 1935-4-21 6464 Riverside Eastern slope of Mt. San Jacinto, Near Palm Springs Comment
  UC1714392  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); Painted Canyon Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  RSA342043  Isocoma acradenia var. eremophila R. F. Thorne 1980-4-16 54104 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA619794  Isocoma menziesii A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley; west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  UC447187  Isomeris arborea J. Ewan 1931-4-2 9101 Riverside 10 mi n Edom Comment
  UCR96093  Iva axillaris G. R. Ballmer, K. T. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UCR48409  Iva axillaris subsp. robustior Steve Boyd 1986-4-22 1730 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA577517  Jepsonia parryi D. L. Banks, Steve Boyd 1995-2-16 0046 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 719 Comment
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Nov 14 2016
  RSA787275  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37142 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  RSA69621  Juncus acutus subsp. leopoldii F. W. Peirson 1921-3-20 2366 Riverside Palm Canyon, east base of San Jacinto Mountains 305 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
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA785184  Juncus bufonius D. E. Bramlet 1992-4-29 2256 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  RSA69842  Juncus cooperi F. W. Peirson 1933-4-12 10634 Riverside Dos Palmas, northern Colorado desert 30 Comment
  UC1931127  Juncus macrophyllus Scott D. White, Justin Wood 2008-6-18 12248 Riverside San Jacinto mountains; Meadow N/ W of Keen Camp Summit, S/W of highway 79. (Idyllwild). Comment
  UCR177325  Juncus mexicanus Scott D. White, Michael Honer 2003-5-27 9416 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR57987  Juncus oxymeris Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  UCR188183  Juncus rugulosus Diane Menuz 2006-6-21 172 Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  SBBG57370  Juncus xiphioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  UC813457  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside desert hillsides bordering Palm Canyon; Colorado Desert 762 Comment
  UCR11  Juniperus californica Eugene Cardiff 1950-2-19 s.n. Riverside Santa Rosa Mtns., Palms-to-Pines Hwy. [near Pinyon Flats] 1372 Comment
  SEINET5450457 Image available Juniperus californica Richard Carter 1984-12-18 3862 Riverside 1.1 mi. S of Pinyon Canyon- along Hwy. 74. Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA38846  Justicia californica E. A. Purer 1933-3-25 4932 Riverside Palm Springs. Comment
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Aug 28 2011
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 Comment
  UCD121630  Justicia californica Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  POM9329  Justicia californica Mary F. Spencer 1920-3-13 179 Riverside Painted Canyon near Mecca. Comment
  UCR252216  Keckiella antirrhinoides J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA293257  Keckiella antirrhinoides subsp. antirrhinoides D. C. Michener 1981-5-15 3925 Riverside Palomar Mtns. Dripping Springs just north of the Agua Tibia Wilderness Area and East of the forest service station and campground. 152 Comment
  SD152748  Keckiella antirrhinoides var. antirrhinoides Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7360 Riverside San Mateo Wilderness Area; San Mateo Canyon, along stream about the confluence with Los Alamos Canyon, near junction of Tenaja Road (7S01) and Los Alamos Road (7S04) 395 Comment
  RSA543939  Keckiella cordifolia Steve D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SDSU14314  Keckiella cordifolia Joel Tracey 2002-4-20 6 Riverside Santa Margarita Ecological Reserve, Loop Trail 0.42 miles northeast of North Side Feild Station, 0.10 miles east-southeast of Tornado road, north side of trail. 341 Comment
  UCR107283  Keckiella cordifolia George K. Helmkamp, E. A. Helmkamp 1998-8-17 4444 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  UCR168137  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 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
  RSA0060486  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  SBBG3340  Krameria bicolor H. and M. Dearing 1936-12-25 821 Riverside Thousand Palms Comment
  JOTR31218  Krameria erecta La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2002 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  RSA113919  Krameria grayi Percy C. Everett, E. K. Balls 1956-5-2 21551 Riverside 1 mile N of turnoff W of Desert Center on road to Eagle Mt. Pumping station. 274 Comment
  HSC10267  Lamarckia aurea D. W. Snell 1964-3-26 24 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  RSA543136  Lamarckia aurea Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6125 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR133329  Lamarckia aurea 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
  POM352656  Lamarckia aurea N. C. Cooper 1944-4-22 1128 Riverside Banning. 732 Comment
  UCR1649  Langloisia schottii Ken Calhoun 1962-3-18 21 Riverside Sonoran (Colorado) Desert, hills 0.5 mi. north of stop sign at entrance to White Water Canyon 457 Comment
  SD45175  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 579 Comment
  HSC78583  Langloisia setosissima subsp. setosissima G. K. Helmkamp 1983-3-24 38311 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  RSA795949  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-19 268 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCSB5128  Langloisia setosissima subsp. setosissima Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  CDA43467  Laportea aestuans Chandler & Mellor 2015-11-13 PDR# 331 P06143073-2 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  CAS-BOT-BC205630  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  POM259712  Larrea tridentata Philip A. Munz 1940-3-23 15665 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA27448  Larrea tridentata I. L. Wiggins 1941-3-24 9567 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  UCR227464  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 151 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
  SD181385  Lastarriaea coriacea Rashmi Pant, Darin Banks 1996-5-13 1024 Riverside NW Palomar Mtns. Agua Tibia Mountains. Foothills S of Hwy 79; E of the Dripping Spring Campground, E of the Dripping Springs Guard Station Comment
  CAS-BOT-BC353286  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Vicinity of Riverside 365 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
  UCR109450  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA586002  Lasthenia gracilis Adree M. Desrochers 1989-4-14 438 Riverside Near Lake Matthews, Riverside County, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  UCR155836  Lasthenia gracilis 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
  UCR176886  Lasthenia gracilis Tracy Tennant 1998-6-5 1021 Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north 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
  UCR214891  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37685 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UC279713  Layia glandulosa Edmund C. Jaeger 1925-12-23 Riverside Aguanga 883 Comment
  JOTR00916  Layia glandulosa Sipe, Frank 1958-3-5 257 Riverside Joshua Tree National Park. SQUAW TANK AREA, GEO TOUR Comment
  SEINET7063418  Layia platyglossa A. G. Vestal 1947-3-29 s.n. Riverside About 6.4 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481530mE, 3727251mN. (WGS84/NAD83). 434 Comment
  CLARK-A1528-70  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  SBBG104095  Lepidium dictyotum A. C. Sanders 1993-4-5 13683 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  RSA66574  Lepidium dictyotum var. acutidens F. W. Peirson 1930-5-10 8771 Riverside 1 mile east of Perris 457 Comment
  RSA429904  Lepidium fremontii Christopher Davidson 1979-4-4 7735 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM259967  Lepidium lasiocarpum P. A. Munz 1940-3-23 15724 Riverside N end of Pinto Basin mojave desert 915 Comment
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  UC856469  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mi below Cottonwood Springs Comment
  RSA593901  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8606 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
  UCR59678  Lepidium nitidum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3033 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UC218152  Lepidium virginicum Munz and Harwood 1920-3-20 3399 Riverside 5 mi s Corona 304 Comment
  POM319671  Lepidospartum squamatum Patricia Wilder 1971-9-29 5265 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
  RSA588825  Lepidospartum squamatum D. L. Banks, S. D. Boyd 1995-10-17 0777 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
  UCSB45529  Leptochloa fusca subsp. uninervia Roos, John; Roos, Lucille 1951-10-24 Riverside Flats between Arlington and Pedley 228 Comment
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Apr 2 2011
  UC178821  Leptochloa panicea subsp. brachiata Frank Stephens 1899-1-1 Riverside Colorado Desert Comment
  UCR21133  Leptochloa uninervia J. Zabriskie, Steve Boyd, A. C. Sanders 1980-4-17 1335 Riverside Sonoran (Colorado) Desert, Coachella valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms -- a palm grove of several hundred trees and some surface water. Comment
  UCSB31638  Leptosiphon ciliatus Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  CAS-BOT-BC227051  Leptosiphon floribundus subsp. glaber W. G. Wright No date on label s.n. Riverside Unspecified Comment
  RSA0095161  Leptosiphon lemmonii Scott D. White, Tasha La Doux 2000-4-20 7697 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD81281  Leptosiphon lemmonii Darley F. Howe 1969-5-15 4590 Riverside Near Cripping Springs Campground. 456 Comment
  POM17544  Leptosiphon pygmaeus subsp. pygmaeus H. Baer 1923-5-6 s.n. Riverside 1 mile east of Alberhill Comment
  SD152945  Leptosyne californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains; San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA162715  Lesquerella tenella J. D. Olmsted 1958-3-29 74 Riverside jct of Cottonwood Pass Road and Cottonwood Spring Road, 8 miles N of Joshua Tree National Monument Southern entrance with interior drainage to the Pinto Basin. 991 Comment
  UCR161441  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2005-9-20 31677 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
  CLARK-A1528-1989  Lessingia glandulifera John C. Roos 1937-8-17 1216 Riverside Comment
  RSA334994  Leymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  UCD105110  Limonium R. E. Riefner Jr. 2006-8-22 06 398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 15 Comment
  CLARK-A1528-719  Linanthus androsaceus subsp. micranthus C. M. Flanagan 1973-5-12 Riverside Morongo Indian Reservation 1188 Comment
  SEINET7073299  Linanthus bellus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA718302  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  SD152787  Linanthus californicus Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 5582 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, along San Mateo Trail from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 395 Comment
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Jun 9 2012
  RSA654613  Linanthus dianthiflorus Starr Streight 1982-4-17 72 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  POM364583  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-10-25 1014 Riverside Banning. 701 Comment
  POM6699  Linanthus dianthiflorus subsp. dianthiflorus P. A. Munz, L. T. Street 1919-3-28 2378 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA543897  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1991-5-20 6272 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  JOTR16800  Linanthus dichotomus subsp. dichotomus 1986-4-15 s.n. Riverside Joshua Tree National Park. LOWER COVINGTON FLAT Comment
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Feb 25 2013
  RSA776237  Linanthus jonesii Duncan S. Bell 2010-3-20 605 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR193131  Linanthus lemmonii A. C. Sanders, Tim Thomas 2008-6-20 35531 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  UCR266492  Linaria canadensis var. texana Mitch Provance, Matt Amalong 2015-3-25 315- 36 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  POM307240  Linum lewisii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2108 Riverside Santa Rosa Mountains. Comment
  RSA497946  Linum lewisii Albert J. Perkins 1916-9-15 s.n. Riverside Near summit of Taquitz Mt. Comment
  UCSB3559  Linum lewisii Zellhoefer, Judi 1960-5-15 Riverside Highway 74, 25.2 miles SE of Idyllwild Comment
  UCR160958  Lithophragma A. C. Sanders 1997-4-3 20158 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA0010987  Lithophragma affine A. C. Sanders 1998-3-11 21681 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA0018465  Lithophragma affine Duncan S. Bell, Valentin Arvizu 2010-5-24 1099 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. 1382 Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  JEPS78512  Lobelia cardinalis var. pseudosplendens Marjorie D. Clary 1932-8-7 1683 Riverside Colorado Desert, San Jacinto Mountains, Snow Creek Comment
  CAS-BOT-BC174464  Loeflingia squarrosa John Thomas Howell 1930-5-10 4802 Riverside At top of St. John's Grade Comment
  UCR174170  Loeflingia squarrosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32578 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  JOTR37464  Loeseliastrum matthewsii Hodges, Stephen, T. Green 2016-5-5 586 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  POM229022  Loeseliastrum schottii P. A. Munz 1937-5-31 15118 Riverside Below Anza Talblet, at head of Coyote Canyon. Southwestern Riverside Co. Comment
  UCR129334  Loeseliastrum schottii Kimberly Peterson, Micaele Maddison 2001-5-5 501 Riverside Peninsular Range, Pauba Valley north of Pechanga Indian Reservation and east of Temecula, along Temecula Creek 366 Comment
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  JOTR34009  Logfia depressa La Doux, Tasha, M. Harding 2010-4-7 2897 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
  RSA757741  Logfia depressa LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  RSA613311  Lolium perenne subsp. multiflorum D. L. Banks 1997-3-1 1376 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
  RSA561083  Lolium temulentum Steve Boyd, Orlando Mistretta 1992-4-22 6999 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  POM78236  Lomatium vaginatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
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Dec 8 2013
  CDA27176  Lotus argophyllus T. C. Fuller 1964-4-14 11831 Riverside Bench above wash of Whitewater Canyon, 4.4 miles north of Whitewater. 0 Comment
  UCR102922  Lotus argophyllus George K. Helmkamp 1998-4-3 3069 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR51360  Lotus argophyllus B. G. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UC864263  Lotus argophyllus var. argophyllus I. W. Clokey and E. G. Anderson 1935-8-21 6719 Riverside e of Keen Camp P.O. (s Riverside Co.) 1350 Comment
  UCR91448  Lotus argophyllus var. argophyllus Scott D. White 1995-3-30 2655 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA717834  Lotus grandiflorus T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR112606  Lotus hamatus A. C. Sanders 1998-5-2 21754 Riverside Santa Ana Mtns., Santa Rosa Plateau, Slaughterhouse Canyon, c. 4 miles (airline) west of Murrieta on Clinton Keith Rd. 488 Comment
  RSA704877  Lotus heermannii J. B. B. 1934-2-19 s.n. Riverside Idyllwild. Comment
  UCR225579  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-3-29 38876 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR185173  Lotus nevadensis Naomi Fraga, Et al. 2006-7-11 1713 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  SEINET269458 Image available Lotus procumbens var. procumbens A. C. Sanders, H. Spilman 1993-4-24 13788 Riverside SE end of San Bernardino Mts.: south end of Whitewater Bench east side of the mouth of Whitewater Canyon. 450 Comment
  UCR187285  Lotus purshianus Diane Menuz, Theresa Johnson 2006-8-2 197 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, along Santa Margarita River in Temecula Canyon, c. 100 m upstream from road crossing of river 274 Comment
  JEPS55815  Lotus rigidus John Thomas Howell 1928-1-30 3314 Riverside Cottonwood Springs Colorado Desert Comment
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Sep 20 2011
  RSA23271  Lotus rigidus Ernest Braunton 1940-05 2031 Riverside Berduo [?] Canyon Comment
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May 13 2016
  RSA406789  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  CSUSB1257  Lotus scoparius Scott Fowler 1964-4-4 640404 43 Riverside Found on east side of hill directly behind the C.E.S. building on the UCR (University of California Riverside) campus in Riverside. 396 Comment
  CSUSB1269  Lotus scoparius Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  RSA614136  Lotus scoparius D. L. Banks 1997-2-23 1303 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR274146  Lotus scoparius subsp. brevialatus T. B. Salvato, Gregg Miller 2005-6-7 1430 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UC864901  Lotus scoparius var. brevialatus I. W. Clokey and B. C. Templeton 1930-4-9 4677 Riverside n of Palm Springs 170 Comment
  RSA524452  Lotus scoparius var. scoparius Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4088 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UC864923  Lotus strigosus Carl B. Wolf 1932-4-27 Riverside 24 mi w Blythe (on Mecca road); Colorado desert, Chuckwalla Valley 121 Comment
  UCR251673  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  POM230897  Lupinus arizonicus Richard Arnold 1932-3-26 s.n. Riverside Blythe, Riverside Comment
  RSA457787  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2201 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA607582  Lupinus arizonicus R. S. Woglum 1939-4-11 2204 a Riverside Sonora Desert: Desert Center. Comment
  JEPS65415  Lupinus bicolor W. L. Jepson 1935-4-19 17078 Riverside San Gorgonio Pass Comment
  RSA450315  Lupinus bicolor J. C. Roos 1966-3-22 s.n. Riverside Edgemont. Comment
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  RSA741163  Lupinus bicolor Scott D. White, Justin M. Wood 2008-5-15 11999 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR180061  Lupinus bicolor Mitch Provance 2005-5-18 9814 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
  UCR251964  Lupinus bicolor Max Brodie 2014-4-20 28 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  POM350067  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1932-3-25 2876 Riverside Cabazon, Colorado Desert. 457 Comment
  SEINET10903820  Lupinus bicolor subsp. microphyllus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7142 Riverside Scattered yellow pine at margin of large valley, 5.9 miles se of junction of Idlewild road and hwy 74 on 74. Annual 1341 Comment
  SBBG3576  Lupinus concinnus H. and M. Dearing 1949-4-9 6744 Riverside Joshua Tree Nat Monument Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UCR139092  Lupinus concinnus Scott D. White 1997-5-18 5158 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  LA205083  Lupinus excubitus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UCR35021  Lupinus excubitus var. austromontanus L. B. Ziegler 1968-6-12 306 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  SEINET11160153  Lupinus formosus Unknown 1973-6-15 20769 Riverside Riverside County Comment
  UC917869  Lupinus hirsutissimus Frank W. Gould 1943-4-18 2141 Riverside on Idlewild cutoff near Banning; near Banning Comment
  UCR252205  Lupinus hirsutissimus J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR92533  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SD229156  Lupinus hyacinthinus Dick Schwenkmeyer 2012-9-20 838 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  RSA89958  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-7-1 18350 Riverside 6.6 miles SE of San Bernardino National Forest Boundary on road from Idyllwild to Banning, San Jacinto Mts. 1829 Comment
  LA31765  Lupinus longifolius Mary V. Hood; 1944-4-7 44- 9 k* Riverside Agaunga 587 Comment
  RSA674618  Lupinus longifolius Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  POM23584  Lupinus microcarpus var. densiflorus Marcus E. Jones 1903-4-11 s.n. Riverside Banning. 701 Comment
  OBI48506  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  RSA21756  Lupinus shockleyi Carl B. Wolf 1937-4-6 8428 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  SEINET7907968  Lupinus shockleyi D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  SEINET10486261  Lupinus shockleyi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6474 Riverside Rice valley, 3.5 mi s-sw of rice. Sand dunes; locally frequent. Petals Dark-purple. 244 Comment
  UC1929905  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  OBI30746  Lupinus truncatus Rhonda Riggins 1982-4-15 1343 Riverside In wash adj burned chamise dom chaparral, CA 371 3.6 mi N jct CA 79 in Aguanga 610 Comment
  RSA263707  Lupinus truncatus E. W. Lathrop 1971-3-21 7457 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  UCR156095  Lupinus truncatus T. B. Salvato, Kent Beaman 2005-5-16 811 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
  UC1106403  Luzula comosa var. laxa Peter Kamb 1948-7-3 1153 Riverside Hall Canyon, San Jacinto Mountains 1645 Comment
  CHSC1919  Lycium andersonii M. Anthony 1954-4-15 Riverside So. of Joshua National Monument, near Hiway 60. Comment
  POM13044  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4850 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  RSA422100  Lycium andersonii N. R. Zabriskie, W. M. Zabriskie 1971-2-15 344 Riverside C. 30' up east-facing slope in 'North Canyon' Andreas Canyon watershed. 366 Comment
  RSA770890  Lycium andersonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4593 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  JOTR36409  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA2056  Lycium torreyi Carl B. Wolf 1931-3-13 1880 Riverside Colorado Desert, between Ripley and Blythe, 152 Comment
  UC884609  Lycium torreyi P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4850 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  POM123016  Lythrum californicum Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR274315  Lythrum hyssopifolia Jennifer H. Jones, Scott D. White 2005-5-25 95 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  UCR89591  Machaeranthera tortifolia Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  CSUSB1444  Malacothamnus fasciculatus Randy Salstrom 1966-4-12 s.n. Riverside On slopes of canyon of Box Springs Mountains at east end of Blain Street in Riverside 274 Comment
  UCR106341  Malacothamnus fasciculatus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0087585  Malacothamnus fasciculatus Louis C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 549 Comment
  JOTR32434  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 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
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  UC1478690  Malacothrix glabrata Barry Prigge with L. Martinez 1978-3-23 2413 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UCR261454  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41441 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR264080  Malacothrix saxatilis S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1069 B Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR89805  Malacothrix saxatilis Scott D. White 1993-5-27 1418 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC348024  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  RSA708015  Malosma laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  UCR158329  Malva parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30071 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
  POM316442  Mammillaria dioica Mark Parratt 1962-2-24 115 Riverside 7-8 miles up state Hwy 74 from Palm Desert. 701 Comment
  SEINET272157 Image available Marah macrocarpa A. C. Sanders 1997-4-1 19755 Riverside Box Springs Mountains: E side of Pigeon Pass Valley about 0.5 mile Nw of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 580 Comment
  CAS-BOT-BC216182  Marina parryi Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13246 Riverside Highway U.S. 95, 11.3 mi. N of Blythe. In wash arising in Big Maria Mts. Comment
  JOTR35050  Marina parryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3502 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA643364  Marina parryi James C. Dice, Kimberly A. Nicol 1998-3-24 980324 1 A Riverside Northwestern Colorado Desert, 9.0 miles (14.4 km) N of Desert Center, along State Highway 177. 163 Comment
  SEINET4326790 Image available Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Kaiser Road N of US 10 freeway, along bend in road. 207 Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  UCD170850  Marina parryi John Wear 1995-3-22 s.n. Riverside Colorado Desert: Wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  POM14400  Matelea parvifolia P. A. Munz, D. D. Keck 1922-4-9 4881 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA543900  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR37473  Medicago polymorpha Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, section 34, where road crosses stream [SE of Gavilan Springs Ranch] 640 Comment
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  SDSU13941  Medicago sativa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2158 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  CSUSB855  Melia azedarach Margaret-Lee Dean 1965-5-13 Riverside Bernasconi Hills Bernasconi Hills; 6 miles east of Highway 395 on Martin Road 487 Comment
  LA102206  Melica frutescens John C. Roos; 1965-6-13 sn Riverside W base of San Jacinto Mountains, E of Hemet (Probably on Highway 74) Comment
  RSA342044  Melica frutescens R. F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54084 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR19350  Melica frutescens John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns, W base of the mountains, east of Hemet Comment
  UCR51526  Melica frutescens S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  RSA519239  Melica imperfecta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SDSU13823  Melica imperfecta W. Miller, C. Mosse 1972-8-9 Riverside Comment
  SEINET1004450  Melica imperfecta A. C. Sanders 2004-1 27548 Riverside Santa Ana Mtns.: Santa Rosa Plateu, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UC1146070  Melica imperfecta C. L. Hitchcock and C. V. Muhlick 1964-3-17 23101 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR158266  Melica imperfecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29496 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
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCSB18721  Melica imperfecta Keith, Sheldon 1963-5-4 Riverside 2.5 miles south of Banning to Idyllwild road 853 Comment
  SD70932  Melilotus albus Helen V. Witham 1969-7-2 179 Riverside DeLuz Creek Crossing, 4 miles north of DeLuz 249 Comment
  SD181753  Melinis repens Scott D. White, Teresa Salvato 2001-6-8 8579 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. (Temecula) 334 Comment
  UCR150651  Menodora scoparia Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mtns, ridge to Bernard Peak 1555 Comment
  RSA740787  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD136815  Mentha spicata var. spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 316 Comment
  SD215572  Mentzelia affinis Steve Boyd, Dave Bramlet 1991-5-13 6257 Riverside Domenigoni Hills, north side of Domenigoni Diamond Valleys, eastsoutheast of Winchester. 1800 Comment
  PASA1547  Mentzelia albicaulis 4/28 Riverside Hidden Springs Comment
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Jun 24 2016
  RSA69690  Mentzelia desertorum F. W. Peirson 1922-4-12 751 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  POM15052  Mentzelia dispersa Mary F. Spencer 1922-6-26 1233 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  UCR68873  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA69582  Mentzelia involucrata F. W. Peirson 1922-4-9 753 Riverside Palm Canyon stream near Alkali Canyon, Riverside County Comment
  RSA698075  Mentzelia involucrata J. R. Bruff 1928-4-2 s.n. Riverside Whitewater-at cork of 29 Palms road. Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 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
  RSA784748  Mentzelia involucrata Duncan S. Bell 2012-2-12 3092 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG99187  Mentzelia involucrata W. L. Halvorson 1977-2-5 77 -11 Riverside bajada, near jct of I-10 and rd to Joshua Tree Nat Monument Comment
  SEINET3004996  Mentzelia involucrata G. Rink 2011-4-4 10424 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  SEINET3263235  Mentzelia involucrata J. Andre, T. La Doux, R. B. Kelley 2012-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx 400 m west of main canyon drainage. Yucca Valley South Quad. Comment
  UC672667  Mentzelia involucrata Margaret Stason 1927-2-12 1000 Riverside Colorado Desert,Palm Canyon Comment
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Nov 12 2011
  CHSC1020  Mentzelia involucrata var. megalantha V. Holt 1935-4-15 Riverside Colorado Desert. Comment
  UCR123754  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  POM14202  Mentzelia jonesii P. A. Munz, D. D. Keck 1922-4-13 4955 Riverside Eagle Mountains. 244 Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  UCR241672  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  UCSB60195  Microseris douglasii Bramlet, D. 1992-4-29 Riverside 823 m. west of Gilman Springs Rd., approx. 460 m. S. of Bold Style Ave. 436 Comment
  RSA556440  Microseris douglasii subsp. douglasii Julie Greene 1993-4-17 1203 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  UCR228827  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-4 38970 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR97275  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-26 2398 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  RSA678352  Microseris lindleyi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10467 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CLARK-A1528-5242  Microseris linearifolia John C. Roos 1950-4-5 4721 Riverside Pigeon Pass 426 Comment
  UCR140565  Mimulus aurantiacus var. pubescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 72 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  SDSU12270  Mimulus aurantiacus var. puniceus Jeremy Mass, Ryan Jacobsen 2000-4-19 17 Riverside Near fork in the road leading down to the canyon and growing throughout Stone Creek area near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  UCD96046  Mimulus bigelovii var. cuspidatus Dena Grossenbacher; Brian Green 2008-4-21 798 Riverside Along Lost Palms Oasis Trail starting about one mile from the trail head and continuing towards the palm oasis for about one mile. 1047 Comment
  UCR1002  Mimulus brevipes J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCR114336  Mimulus brevipes Mitch Provance 2000-5-5 2012 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
  UCR201953  Mimulus brevipes Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  RSA509456  Mimulus diffusus T. P. Krantz 1982-4-22 s.n. Riverside San Jacinto Moutains, Garner Valley, Bonita Vista Road Comment
  UCR19741  Mimulus floribundus E. W. Lathrop 1966-5-1 6229 Riverside Peninsular Range, 3 mi west of Murrieta Comment
  UCR35249  Mimulus floribundus L. B. Ziegler 1967-8-2 202 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR93071  Mimulus floribundus A. C. Sanders, S. Ogg 1994-6-28 15182 Riverside Santa Ana River between the Hwy 60 bridge and the Mission Blvd. Bridge 241 Comment
  JEPS8218  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-19 1293 Riverside San Jacinto Canyon 640 Comment
  UC454134  Mimulus fremontii var. fremontii I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  UCR174076  Mimulus guttatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32590 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
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  CLARK-A1528-4265  Mimulus pilosus John C. Roos 1948-6-10 3882 Riverside San Jacinto Mountains Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  UCR226606  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-18 15818 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  RSA0105080  Mirabilis californica var. californica Daphne K. Christopher, Hannah Stevens 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR207353  Mirabilis laevis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  JEPS26558  Mirabilis laevis var. crassifolia Peter Kamb 1948-4-11 902 Riverside Whitewater Wash near Whitewater 457 Comment
  RSA0027994  Mirabilis laevis var. crassifolia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA464824  Mirabilis laevis var. crassifolia Ora M. Clark 1929-3-2 1592 Riverside Near Alberhill Comment
  RSA464250  Mirabilis laevis var. crassifolia Anstruther Davidson 1927-05 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC434830  Mirabilis laevis var. retrorsa John Thomas Howell 1928-3-11 3416 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  JOTR34030  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding 2010-4-7 2916 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA49185  Mirabilis laevis var. retrorsa P. A. Munz 1949-4-12 13036 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  RSA550044  Mirabilis laevis var. retrorsa Walter Wisura, A. King, L. Newcomb 1992-4-10 4663 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  UC68665  Mirabilis laevis var. retrorsa H. M. Hall Apr 1905 5798 Riverside 10 mi W of Coachella, Colorado Desert 91 Comment
  UCR120589  Mirabilis laevis var. retrorsa Steven R. Hill 2001-4-29 33533 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  JEPS9988  Mohavea confertiflora E. E. Schellenger May 1920 Riverside e of Coachella (Colorado Desert); Colorado Desert Comment
  RSA408762  Mohavea confertiflora Jean Carnine 1932-3-22 15306 Riverside Deep Canyon-Mojave Comment
  SEINET6192025  Mohavea confertiflora C. Francis Shutts 1949-3-18 47 Riverside Box Canyon on old Mecca-Blythe Hwy. 183 Comment
  UC1606989  Mohavea confertiflora David Charlton 1988-2-18 1190 Riverside S side of Little San Bernardino Mts. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi E of Junction of Dillon Rd and Fargo Cyn Rd. 762 Comment
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  UCR77714  Mollugo verticillata Steve Boyd, Et al 1991-6-14 6342 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  SBBG71969  Monardella lanceolata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  UC1499861  Monardella nana Elizabeth McClintock 1940-5-19 9 Riverside 2 1/4 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  UC1499913  Monardella nana Elizabeth McClintock 1941-6-8 69 Riverside 3 miles east of Ribboncamp Pines to Palms Highway Comment
  RSA750289  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-11 97 Riverside Banning-Idyllwild road. Fuller Mill Creek. Comment
  CAS-BOT-BC349801  Monoptilon bellioides Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  JEPS26555  Monoptilon bellioides Peter Kamb 1948-4-11 885 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  UCR104032  Monoptilon bellioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2734 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  RSA464453  Montia chamissoi H. E. Hasse 1892-7-2 s.n. Riverside San Jacinto. 3049 Comment
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Jun 21 2008
  LA10011  Muhlenbergia asperifolia Louis C. Wheeler; 1933-12-2 2313 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA583746  Muhlenbergia microsperma Steve Boyd 1995-4-24 8485 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UCR113153  Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCR18068  Muhlenbergia microsperma Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley Dunes. south of I-10 between Wiley Well Road and Graham Pass Road 152 Comment
  POM162481  Muhlenbergia richardsonis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  UCR104631  Muilla maritima D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1787 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  RSA171991  Nama demissa Robert F. Thorne 1963-3-29 32405 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA688860  Nama demissa Scott D. White, Michael Honer 2003-5-13 9245 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  RSA78477  Nama demissa var. deserti Verne Grant, Alva Grant 1952-3-20 17507 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  POM14111  Nama hispida var. spathulata E. C. Jaeger 1922-3-29 s.n. Riverside Eastern edge of Colorado Desert, near Rannells. Comment
  UC167229  Nassella lepida Bertha E. Britain 1905-5-30 6239 Riverside near Riverside; Box Springs Comment
  UCR70682  Navarretia fossalis D. E. Bramlet 1991-6-19 2197 Riverside Perris-Aguanga Basin region, San Jacinto River area, about 600 m west of river and 1 km south of Lakeview Hot Springs. About 30 m south of MWD Colorado Aqueduct easement road, and 630 m east of intersection of Pozos Ave. and the MWD road. Population 30 m west of existing blueline channel 473 Comment
  UCSB60198  Navarretia fossalis Bramlet, D. 1992-5-15 Riverside 183 m W. of Davis Road; 213 m N. of Marvin Road 433 Comment
  RSA67049  Navarretia hamata Verne Grant, Alva Grant 1951-6-4 16012 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  JEPS57110  Nemacaulis denudata var. denudata M. French Gilman 713 Riverside desert e Palm Springs Comment
  SBBG1679  Nemacaulis denudata var. gracilis H. and M. Dearing 1942-2-24 4802 Riverside Cathedral City Comment
  JEPS31042  Nemacladus longiflorus var. longiflorus W. P. and A. G. Vestal 1963-5-19 Riverside ca 1.5 mi ne Aguanga (granite slope to sw) Comment
  UCR35132  Nemacladus longiflorus var. longiflorus L. B. Ziegler 1967-6-21 163 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR280622  Nemacladus ramosissimus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 14 Riverside Gavilan Hills, Alberhill Canyon, tower site on ridge just west of Lake St., about 1 mile NNW of Lake St. and Walker Canyon Rd. 561 Comment
  SEINET13681943  Nemacladus rubescens Tina Ayers, Randy Scott 2017-3-19 1921 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  UCR20808  Nemophila menziesii A. C. Sanders, Steve Boyd 1980-4-17 1346 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 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
  UCR51025  Nemophila menziesii S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA180273  Nemophila menziesii var. integrifolia E. W. Lathrop 1965-4-4 5611 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  CSUSB120  Nemophila menziesii var. menziesii J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  SDSU11219  Nicotiana attenuata H. Wedberg 1962-7-28 992 Riverside Meadow in Hemet Valley; about 1 mile from Herkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains. 1372 Comment
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Jan 24 2013
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  CAS-BOT-BC231679  Nicotiana glauca E. A. McGregor 1916-3-19 712 Riverside Colorado Desert. Indio, Sands Comment
  RSA772525  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4431 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC76177  Nicotiana glauca Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR176679  Nicotiana glauca G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR2899  Nicotiana glauca Paul W. White 1963-4-8 40863- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, 200 yards SW of corner of Canyon Crest Dr. and [Monte] Vista Dr. 'c. 900 ft 335 Comment
  RSA426714  Nicotiana obtusifolia Christopher Davidson 1973-4-19 1982 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  SD128228  Nolina parryi R. Mitchel Beauchamp 1971-5-16 2425 Riverside Santa Rosa Mts., Pinyon Flat Campgrounds 1500 Comment
  RSA0056373  Nolina parryi subsp. wolfii James R. Shevock 1971-5-8 1047 Riverside Joshua Tree Nat'l. Mon. 1524 Comment
  RSA655092  Notholaena californica Scott D. White 2000-4-17 7650 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  POM897  Notholaena californica subsp. californica P. A. Munz 1918-4-27 2167 Riverside Temescal Canyon. Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  SD73631  Oenothera californica Helen V. Witham 1970-5-1 854 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  CLARK-A1528-3349  Oenothera deltoides John C. Roos 1966-3-12 Riverside Indio Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  OBI26117  Oenothera deltoides David J. Keil 1976-12-12 11918 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SBBG61311  Oenothera deltoides R. C. and J. R. Robbins 1933-2-16 Riverside Palm Springs-Indio Rd, near La Quinta Comment
  UC1007107  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside foot of Mt. Roubidoux Riverside Comment
  RSA0105865  Oenothera elata subsp. hookeri Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  UC1241196  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 8.1 mi north of Midland, ca 5 miles south of Highway 62. Comment
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Jun 9 2012
  CLARK-A1528-2648  Oenothera speciosa Charles S. Papp 1965-6-16 860 Riverside Highgrove Comment
  CAS-BOT-BC427458  Oligomeris linifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  JOTR31215  Oligomeris linifolia La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1397 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  UCR110451  Oligomeris linifolia D. E. Bramlet, D. Bradney 1990-6-21 2043 Riverside Peninsular Range, Vail Lake peninsula, a portion of the ridgeline between Kolb and Temecula Creeks. The site is approximately 805m northwest of the marina and on the northeast edge of the peninsula. 476 Comment
  CAS-BOT-BC478172  Oncosiphon piluliferum R. E. Jr. Riefner 2015-4-2 15 -107 Riverside Perris/Menifee area, Patricia Ln. at Barnett Rd., S of Ethanac Rd. and W of I-215 441 Comment
  UCR199928  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin, I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  POM274050  Opuntia bigelovii var. bigelovii Lyman Benson 1933-3-31 4182 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  CAS-BOT-BC56218  Opuntia littoralis Carl B. Wolf 1938-6-11 9422 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  RSA439548  Opuntia ramosissima B. C. Templeton 1965-04 10526 Riverside Joshua Tree. Comment
  POM288951  Opuntia vaseyi Lyman Benson, Robert Benson 1955-12-6 15623 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA554004  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3498 Riverside SSE of Lake Elsinore on the Mesa de Colorado, opposite side of road from large vernal pool protected by the Nature Conservency. 549 Comment
  CAS-BOT-BC355580  Oreostemma alpigenum var. andersonii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR133436  Orobanche bulbosa Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 446 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  UCR26561  Orobanche californica subsp. feudgei T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns, Garner Valley 1402 Comment
  RSA0076203  Orobanche californica subsp. feudgei Philip A. Munz 1927-5-21 10897 Riverside Coahuila Valley, Ansa. [Cahuilla Valley, Anza] 1372 Comment
  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
  UCR132658  Orobanche fasciculata L. F. LaPre 2001-5-13 s.n. Riverside San Jacinto Mtns., Bautista Canyon, section 1 1280 Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA0076582  Orobanche multicaulis Barry A. Prigge, L. Martinez 1978-3-23 2414 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA4384  Orthocarpus purpurascens var. pallidus Dorothy R. Wolf 1932-3-20 30 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR124636  Oryzopsis hymenoides B. C. Templeton, I. W. Clokey 1930-4-9 1018 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  CLARK-A1528-141  Osmorhiza brachypoda Ruth Cooper 1968-5-5 Riverside Santa Ana Mountains Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA633877  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38137 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1677 Comment
  RSA593784  Oxytheca emarginata Jeri Hirshberg 1995-5-19 279 A Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR108881  Oxytheca trilobata Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  CLARK-A1528-691  Paeonia californica Sue Freeman 1967-2-19 Riverside 914 Comment
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  CAS-BOT-BC327900  Palafoxia arida Ira L. Wiggins 1941-3-24 9564 Riverside 0.3 miles S of Myoma, 4.6 miles N of Indio Comment
  CAS-BOT-BC327938  Palafoxia arida L. A. Greata 1905-4-1 421 Riverside Coachella Comment
  CHSC403  Palafoxia arida E. Thomas 1940-3-3 Riverside Salton Sea. -60 Comment
  UCD77897  Palafoxia arida Robert E. Preston 1997-11-11 1061 Riverside edge of Palo Verde Mesa 99 Comment
  POM363737  Palafoxia arida var. arida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  RSA772528  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4434 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD187320  Panicum acuminatum var. acuminatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Santa Ana Mountains: Rainbow area; mountain foothills west of I-15 and immediately north of San Diego County line. 334 Comment
  UCR158855  Panicum capillare Scott D. White 1994-6-23 2094 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  JOTR29504  Panicum hirticaule subsp. hirticaule Bell, Mike 2006-9-14 s.n. Riverside Joshua Tree National Park. southeast Pinto Mountains; near Mission Well/ Sunrise Mill, off Old Dale Road 435 Comment
  RSA92446  Panicum urvilleanum F. W. Peirson 1928-3-10 7703 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  UCR7750  Papaver californicum B. Freeman 1968-5-4 680504- 10 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  VVC365  Papaver californicum A. C. Sanders, P. Jmac 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
  SD237635  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Road, 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi NE (25a^z)of Temescal Canyon Road where it goes under I-15 (Alberhill 7.5'Q) 404 Comment
  UCR214275  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  JEPS7793  Parietaria hespera var. hespera Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3603 Riverside off of Palm Canyon (at mouth of Andreas Canyon, lower slopes of Mt. San Jacinto); Mt. San Jacinto, Andreas Canyon Comment
  SJSU5172  Parkinsonia florida R. C. McGehee 1970-4-14 187 Riverside Rice Rd 7 mi NE of Desert Center Comment
  RSA698043  Parosela emoryi J. R. Bruff 1927-11-13 s.n. Riverside Two Bunch Palms, 7 Palms Valley Comment
  UC53709  Paspalum distichum E. L. Koethen 1897-8-12 7 Riverside Riverside Comment
  RSA0049953  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  UCR128940  Pectis papposa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA782787  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 Riverside Red Cloud Wash Road exit from I10. Follow Red Cloud Wash Rd approximately 5.5 miles. Chuckwalla Bench ACEC. 593 Comment
  SEINET10292270 Image available Pectis papposa var. papposa April Garbat, Deirdre Conocchioli 2013-9-12 125 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: East of Alligator Rock; From I-10 at Desert Center, head south on CA-177 to BLM 394 (dirt). Collection site is 1.1 miles SW of insterstate exit ramp. 334 Comment
  POM118683  Pectocarya heterocarpa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  UCR139186  Pectocarya linearis Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR171729  Pectocarya linearis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR239797  Pectocarya linearis O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  SDSU14016  Pectocarya linearis subsp. ferocula Michael G. Simpson, Adrienne Russell 2000-4-29 2076 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 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. 449 Comment
  UCD120125  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-16 24180 Riverside 0.25 mile west of Aguanga. Comment
  VVC2876  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5021 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  POM13002  Pectocarya penicillata P. A. Munz, I. M. Johnston 1922-5-19 5422 Riverside Keen Camp, San Jacinto Mts. 1524 Comment
  RSA0012658  Pectocarya penicillata LeRoy Gross, Caitlin Elam 2013-5-14 6085 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  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
  RSA346616  Pectocarya peninsularis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54034 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR74399  Pectocarya platycarpa Theo Glenn 1992-3-31 92 16 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA496364  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3038 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  UCR84837  Pectocarya recurvata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16208 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  RSA450318  Pediomelum californicum J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains, Pinon flats Comment
  UCR118636  Pelargonium grossularioides O. F. Clarke 2001-4-30 s.n. Riverside Riverside, yard of Arlee Montalvo, Picacho Dr. east of UCR campus off Watkins Dr. 366 Comment
  JEPS19070  Pellaea andromedifolia Marjorie D. Clary 1932-3-20 1626 Riverside nw of Garnet (Mission Creek); Colorado Desert 609 Comment
  RSA180363  Pellaea andromedifolia var. andromedifolia E. W. Lathrop 1960-6-7 4864 Riverside 14 miles W of Murrieta Comment
  SD80136  Pellaea mucronata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 382 Riverside North slope of Santa Rosa Mountains; Deep Canyon, west of water service road, ca. 2 miles south of Highway 74 1310 Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  UC1210232  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR213848  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  POM229442  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  UCR29644  Penstemon clevelandii subsp. connatus Wende Rehlaender 1983-5-28 117 Riverside Peninsular Ranges, Santa Rosa Mountains, Pinyon Flats Campground, c. 13.5 mi. along Hwy 74 from Palm Desert; 3.5 mi. north of Santa Rosa Mountain, 3 mi. south of Asbestos Mountain Comment
  UC1329887  Penstemon eatonii var. undosus James E. Cole 1941-5-29 813 Riverside Stubby Spring Road Joshua Tree National Monument, Stubby Spring Road 1432 Comment
  UCR187288  Penstemon grinnellii Diane Menuz 2006-6-27 182 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  UCR174029  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32498 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA753482  Pentachaeta aurea Scott D. White, Justin M. Wood 2009-5-21 12861 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UC35608  Pentachaeta aurea H. M. Hall June, 1901 2057 Riverside exposed s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR193737  Pentachaeta aurea A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35655 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  RSA0070828  Pentagramma triangularis P. A. Munz, I. M. Johnston 1922-5-20 5464 Riverside San Jacinto Mountains: Pipe Creek, Hemet Valley. 1402 Comment
  SEINET3088941 Image available Peritoma arborea W. H. Earle, R. G. Engard 1973-10-10 153 Riverside 5 mi. north of Cottonwood Springs, Joshua Tree National Monument. Comment
  UCR131825  Peritoma arborea Jennie Phui 1998-5-30 027 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  CAS-BOT-BC73726  Peritoma arborea var. arborea B. Trowbridge 1979-4-17 6101 Riverside Lower Cottonwood Springs Wash, north of Interstate 10. 457 Comment
  JEPS35444  Perityle emoryi W. L. Jepson 1927-4-12 11648 a Riverside ne of Mecca; Mecca Hills, Painted Canyon 76 Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
Read comments
Oct 16 2011
  RSA471850  Perityle emoryi N. C. Cooper 1949-4-8 3288 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA651715  Perityle emoryi Viki Cruz 1983-5-8 006 *k Riverside Collected on a slope in between some large rocks about three-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  RSA795745  Perityle emoryi J. Andre 2012-3-19 21309 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UCR202042  Perityle emoryi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR227293  Perityle emoryi Jim Andre 2011-2-9 15928 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR256723  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCR75090  Perityle emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12101 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET10800183  Perityle emoryi David B. Dunn 1971-2-22 Dunn 1971 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  CAS-BOT-BC419047  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  CAS-BOT-BC167758  Petalonyx thurberi Nancy Ryan Zabriskie; Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains 167 Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  SEINET3005048  Petalonyx thurberi G. Rink 2011-4-25 10485 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  SEINET8729191 Image available Petalonyx thurberi Lewis S. Rose 1938-1 38324 Riverside 6 mi. s. of Cathedral City. 46 Comment
  RSA425012  Petunia parviflora J. C. Roos 1952-5-28 5728 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
  UC884703  Petunia parviflora Crawford and Johnston 1917-6-9 1230 Riverside near Corona (Santa Ana River); Santa Ana River Comment
  UCR14316  Petunia parviflora A. C. Sanders 1974-3-24 621 Riverside Santa Ana River Valley, Santa Ana Riverbottom near city dump, Riverside; at mouth of Arroyo Tequesquite 244 Comment
  UCR92254  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2492 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street 311 Comment
  CLARK-A1528-2028  Peucephyllum schottii John C. Roos 1966-2-5 Riverside Indio Hills Comment
  JOTR31908  Peucephyllum schottii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2155 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  UCR123870  Peucephyllum schottii Steven R. Hill 2001-4-29 33540 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  UCR251982  Phacelia brachyloba A. C. Sanders, T. B. Salvato 2014-7-2 41184 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  UC68749  Phacelia campanularia subsp. campanularia H. M. Hall Apr. 1905 5755 Riverside Whitewater Colorado Desert 243 Comment
  JOTR35288  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-11 20781 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC133969  Phacelia cicutaria Edmund C. Jaeger 1922-4-10 s.n. Riverside Palm Springs Comment
  UCR225598  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-3-29 38842 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR90049  Phacelia cicutaria var. hispida P. F. Horner 1972-5-2 37 Riverside Santa Ana River Valley, Riverside, Santa Ana River bottom, near Union Pacific Railroad Bridge 213 Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  JEPS4095  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside alluvial slopes 3 1/2 mi e Coachella Comment
  UC672402  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-10 4226 Riverside Hidden Spring Canyon Colorado Desert, Coachella Mountains Comment
  UC1262269  Phacelia cryptantha E. W. Lathrop 1966-5-8 6441 Riverside 3 mi sw Corona; Cleveland Nat'l Forest, Tracuco Distict, Hagador Canyon 274 Comment
  RSA171355  Phacelia distans J. D. Olmsted 1962-5-3 s.n. Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA314656  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA428216  Phacelia distans Robert Gustafson 1983-3-27 2486 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA49196  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  SEINET6627583  Phacelia distans Scott D. White 2001-4-3 8271 Riverside Colorado Desert: Shaver's Valley. south of the I-10 Freeway, ca. 15 miles east of Indio. Bajadas and exit accessing pump station Comment
  UC809715  Phacelia distans Philip A. Munz 1949-4-11 13022 Riverside wash near Conejo Well; Mojave Desert, north base of Eagle Mts. 914 Comment
  UCR196366  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR233162A  Phacelia distans Jim Andre, Glenn L. Clifton 2011-2-22 17449 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR84644  Phacelia distans Scott D. White, S. Ogg 1994-4-21 2001 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  CAS-BOT-BC145042  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  CLARK-A1528-3010  Phacelia minor John C. Roos 1947-3-21 3374 Riverside Reche Canyon Comment
  SJSU11223  Phacelia minor N. D. Addy 1962-4-16 Riverside near Hwy 71, 1 mi S of Alberhill 374 Comment
  UC73696  Phacelia minor Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR121194  Phacelia minor D. E. Bramlet 1997-3-13 2487 Riverside Perris-Aguanga Basin region, Lake Skinner Co. Park, knoll at NE end of the Equestrian Trail, 1,600 ft. (~0.3 mi.) north of Tucalota Creek and 5,400 ft. (~ 1 mi.) east of Lake Skinner. 500 Comment
  UCR21972  Phacelia minor Steve Boyd 1980-3-3 177 Riverside Gavilan Plateau, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR262563  Phacelia minor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3758 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
  RSA0106602  Phacelia minor Robert F. Thorne 1995-3-29 63029 Riverside White Water Canyon. 600 Comment
  SEINET7053237  Phacelia minor Steven R. Hill, Andrew C. Sanders; Andrew C. Sanders 2001-5-4 33707 A Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR214299  Phacelia neglecta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37466 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
  UCR72239  Phacelia neglecta Theo Glenn 1992-4-1 92- 01 Riverside Sonoran (Colorado) Desert, between Eagle Mountain Mine and Eagle Mountain Pumping Station, east of Eagle Mtns. Comment
  UCR140658  Phacelia ramosissima Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 81 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  RSA180470  Phacelia ramosissima var. latifolia E. W. Lathrop 1960-6-8 4911 Riverside 14 miles west of Murrieta Comment
  UC63812  Phacelia ramosissima var. latifolia H. M. Hall June 1899 Riverside Fairmount Hill Riverside Comment
  RSA517935  Phacelia rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1413 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  UCR33708  Phalaris minor Faulkner 1978-4-27 508 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  POM13139  Phlox austromontana P. A. Munz, I. M. Johnston 1922-5-19 5450 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR21188  Phlox austromontana A. C. Sanders 1980-5-1 1381 Riverside San Jacinto Mountains, Garner Valley area, on a road cut in chaparral 3.4 mi NE of Kenworthy Ranger Station on the Morris Ranch Rd 1646 Comment
  RSA0122709  Pholistoma membranaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9055 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCSB18191  Phoradendron bolleanum Copeland, Jerry 1964-5-10 Riverside 30 feet northwest of Pinyon Flats Campground, 9 miles south of intersection of State Highways 71 and 74 Comment
  CAS-BOT-BC135108  Phoradendron californicum W. R. Dudley 1903-12-31 s.n. Riverside Indio Comment
  RSA784949  Phoradendron californicum Duncan S. Bell 2012-2-12 3127 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SD146132  Phoradendron californicum B. Pitzer 1998-3-8 3602 Riverside Colorado Desert; S-facing fan on N side of Hayfield lake, along road to pumping plant 427 Comment
  JOTR30781  Phoradendron densum La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1890 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  RSA132739  Phoradendron densum Del Wiens 1954-10-19 962 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  UC6105  Phoradendron villosum H. M. Hall July, 1901 2531 Riverside s. side San Jacinto Mts. San Jacinto Mts. 1615 Comment
  UCR140568  Phoradendron villosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 76 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  RSA423813  Physalis crassifolia N. C. Cooper 1944-4-8 1059 Riverside Andreas Canyon. 305 Comment
  UC1535405  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Hemet, at the Young property Hemet Comment
  CLARK-A1528-279  Picris echioides John C. Roos 1951-9-25 5280 Riverside Riverside 259 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  RSA559926  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UCR112562  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR172726  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR20983  Plagiobothrys canescens A. C. Sanders 1980-5-2 1437 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA522714  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3900 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  UCD120795  Plagiobothrys collinus var. californicus Geoffrey Levin 1975-4-26 487 b Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCR111554  Plagiobothrys collinus var. californicus Mitch Provance, J. Ross 1999-4-1 1729 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  SBBG128891  Plagiobothrys collinus var. fulvescens A. C. Sanders, T. W. Chumley 2013-4-2 40735 Riverside Temescal Cyn at W side of Horsethief Cyn Rd, S of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  SEINET998504  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-1 9895 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. 274 Comment
  RSA320538  Plagiobothrys fulvus var. campestris A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mts., 5 miles SW of Murrieta 610 Comment
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Mar 19 2010
  RSA562053  Plagiobothrys nothofulvus Steve Boyd, Tim Ross 1992-4-1 6774 Riverside Alberhill Mountain, southwest flank on lower slopes just to east of strip-mined area 427 Comment
  SDSU13683  Plagiobothrys nothofulvus J. Jill Steinberg, Janet Knots 1998-3-11 7 Riverside Comment
  SBBG53772  Plagiobothrys tenellus S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCR22131B  Plagiobothrys tenellus Steve Boyd 1980-5-3 171 B Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD68948  Plagiobothrys undulatus Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37459 Riverside Santa Rosa Plateau; Mesa de Colorado, Rancho California. 609 Comment
  UCR138911  Plantago elongata Julie A. Greene 1993-4-10 1184 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA574743  Plantago erecta Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  RSA678420  Plantago erecta Michael Wall 2003-4-15 271 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SD137693  Plantago erecta Darin L. Banks 1995-5-9 328 Riverside NW Palomar Mountains N. of the Agua Tibia Wilderness Area. N. slope of agua Tibia Mtn. The Dorland Mtn area, W. of the dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
  SEINET1910853  Plantago erecta A. C. Sanders 1997-1 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET7063420  Plantago erecta A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore Railroad Canyon. UTM Zone 11, 464457mE, 3724989mN. (WGS84/NAD83). 393 Comment
  RSA180245  Plantago major E. W. Lathrop 1964-5-24 5390 Riverside 8 miles west of Murrieta Comment
  JEPS24430  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR35285  Plantago ovata Andre, Jim 2012-4-11 20779 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  OBI23291  Plantago ovata Robert F. Hoover 1969-4-14 11237 Riverside Palm Springs, just S of city limits Comment
  UCR133968  Plantago ovata Mitch Provance, J. S. Ross 1998-3-27 MOR- 951 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR165266  Plantago ovata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA503143  Plantago ovata var. fastigiata Gary D. Wallace 1966-3-26 232 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat'l For. 427 Comment
  SBBG7271  Plantago ovata var. fastigiata H. and M. Dearing 1940-1-1 4036 Riverside E side of Salton Sea at N end Comment
  JOTR33741  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2740 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA0120328  Plantago patagonica Duncan S. Bell, Thomas Stoughton 2016-4-14 9290 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  SEINET1109636  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-1 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  RSA660489  Platystemon californicus A. C. Sanders 1998-3-11 21686 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UC167976  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR155062  Platystemon californicus A. C. Sanders, Kelly Volansky 2005-3-17 29220 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
  JOTR32449  Pleuraphis rigida La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2199 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  UC699668  Pluchea odorata var. odorata Kay H. Beach 1942-10-22 1662 Riverside about 3 mi nw Corona city limits (along Chino Creek); Chino Creek 198 Comment
  SEINET235858 Image available Poa pratensis Scott D. White 1997-5-18 5154 Riverside Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 1500 Comment
  UC71021  Poa pratensis subsp. pratensis F. A. Blake 1901-6-2 Riverside Rayneta [Idyllwild] Comment
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May 26 2013
  SEINET244233 Image available Poa secunda A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24939 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  RSA155556  Polygonum argyrocoleon L. S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  UCR167932  Polygonum aviculare T. B. Salvato, Gregg Miller 2005-6-3 1362 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR165639  Polypogon monspeliensis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  IRVC173  Polystichum imbricans subsp. curtum Linda Stilgenbauer 1965-4-24 HS 558 Riverside Highway 80. Comment
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May 5 2014
  JEPS64549  Populus fremontii subsp. fremontii S. B. Parish 1912-10-22 8385 Riverside Mecca , Mecca (Salton Basin) -57 Comment
  UC1134775  Populus fremontii subsp. fremontii R. St. John 1930-2-14 95 Riverside Lewis Valley; San Jacinto Quad., Lewis Valley Comment
  RSA561121  Populus trichocarpa Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7314 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  CAS-BOT-BC356159  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  JEPS35439  Porophyllum gracile W. L. Jepson 1928-4-25 12622 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA472193  Porophyllum gracile Robert Gustafson 1981-4-7 2151 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA472194  Porophyllum gracile Christopher Davidson, Jones 1980-4-4 9955 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  RSA608838  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR105729  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA5231  Potentilla glandulosa subsp. nevadensis Carl B. Wolf 1932-8-5 s.n. Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  UCR35169  Potentilla glandulosa subsp. reflexa L. B. Ziegler 1968-6-13 314 Riverside Peninsular Ranges, San Jacinto Mtns: Hemet (Garner) Valley region, upper Herkey Creek area, beyond May Valley 1616 Comment
  UC860692  Potentilla gracilis var. fastigiata P. A. Munz 1922-7-6 5986 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  CAS-BOT-BC540419  Potentilla gracilis var. fastigiata E. C. Van Dyke 1828-7-22 s.n. Riverside Idyllwild Comment
  RSA770882  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4606 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  LA208074  Prunus emarginata Harlan Lewis; 1937-6-4 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  CAS-BOT-BC151119  Prunus fremontii Paul F. Covel 1938-4-21 1192 Riverside East Slope, Palms-Pines Hgwy. Comment
  NY42610  Prunus fremontii J. B. Walker 1995-3-21 1266 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  SBBG3053  Prunus fremontii M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  RSA263753  Prunus ilicifolia E. W. Lathrop 1969-5-8 7007 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA659174  Prunus ilicifolia Bob Rogers 1984-4-21 13 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  RSA586932  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter Morrell 1995-5-4 298 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 Woodchuck Trail. 549 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
  UC860997  Prunus virginiana var. demissa C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  SEINET7412894  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC356333  Psathyrotes ramosissima S. B. Parish 1912-6-28 8115 Riverside Mecca Comment
  CAS-BOT-BC356335  Psathyrotes ramosissima Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  RSA472309  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA517236  Psathyrotes ramosissima Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1323 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 Comment
  UCR270708  Pseudognaphalium microcephalum John F. Emmel 1998-8-9 1584 Riverside San Jacinto Mountains, foothills at southwest edge of the mountains, Bautista Canyon, 0.4-0.5 road mile southeast of national forest boundary 723 Comment
  UCR281256  Psilocarphus brevissimus Mitch Provance, Jeremiah George 2017-3-23 317- 66 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  CAS-BOT-BC354282  Psorothamnus Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  CAS-BOT-BC353619  Psorothamnus emoryi B. D. Stark 1932-6-15 3731 Riverside Whitewater, road to Indio, Colorado Desert 152 Comment
  POM1901  Psorothamnus emoryi J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  SEINET12162016  Psorothamnus emoryi C. W. Tilforth, Wisura, W. 1979-1 1907 Riverside S edge of Palm Desert along Hwy. 74, SE of Palm Springs 76 Comment
  JOTR33992  Psorothamnus schottii La Doux, Tasha, M. Harding 2010-4-7 2880 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UC1129839  Psorothamnus schottii H. S. Yates 1936-4-7 5435 Riverside 2 mi se Willis Palms; Thermal Quad., se of Willis Palms Comment
  CAS-BOT-BC340957  Psorothamnus spinosus W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  POM11504  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside San Jacinto Mountains: Tamarack Valley 2805 Comment
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Sep 10 2009
  POM46978  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1677 Comment
  CAS-BOT-BC421249  Pterostegia drymarioides Milo S. Baker 1928-4-3 2818 b Riverside Tahquitz Canon [Canyon] near Palm Sps. Comment
  CDA7612  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region; Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside Comment
  RSA666717  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside. 427 Comment
  UC1135500  Quercus X acutidens A. Lewis Mar 1934 354 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. 1066 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  JOTR32646  Quercus X munzii La Doux, Tasha, Mike Bell 2006-11-22 1615 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Queen Valley area; Live Oak picnic area 1267 Comment
  RSA709773  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31556 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCD105640  Quercus berberidifolia K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCD170419  Quercus berberidifolia D. O. Burge 2017-3-13 2226 Riverside Perris area, Santa Rosa Plateau. 640 Comment
  RSA0124382  Quercus chrysolepis Duncan S. Bell 2016-4-16 9336 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR121133  Quercus chrysolepis June Latting 1972-10-27 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  UCR103220  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  CAS-BOT-BC79162  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Riverside Temecula Comment
  CAS-BOT-BC126762  Quercus palmeri D. E. Bramlet; Fred M. Roberts 2004-4-13 3552 Riverside Perris-Aguanga Basin: South Bernasconi Hills, 1.3 km S of Ramona Expressway and 1.4 km W of San Jacinto River 515 Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA741216  Quercus wislizeni Scott D. White, Justin M. Wood 2008-6-16 12110 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  SEINET4079341  Quercus wislizeni var. frutescens C. Davidson 1975-1 2815 Riverside 3.8 miles north of Alandale Station on road R1 from Idyllwild to Banning. 1699 Comment
  UCR169241  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 82 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR177940  Rafinesquia californica Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 530 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CAS-BOT-BC362631  Rafinesquia neomexicana F. O. Ballou 1926-3-27 s.n. Riverside Murray Canon [Canyon] Comment
  JOTR33980  Rafinesquia neomexicana La Doux, Tasha, M. Harding 2010-4-7 2868 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  SD218293  Rafinesquia neomexicana Carol R. Annable 1995-3-9 2253 Riverside Ca. 14.5 km northwest of Palm Springs, north slope of Whitewater Hill. Comment
  UCR205287  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10490 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  SD132417  Ranunculus californicus Wendy Weitkamp 1990-4-12 Riverside Santa Rosa Plateau TNC Preserve, SW coener of Mesa de Burro 762 Comment
  UC64124  Ranunculus californicus H. M. Hall Riverside meadows near Hemet Valley; San Jacinto Mts., Johnston Ranch 1463 Comment
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Mar 25 2011
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  POM295  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside At side of Lake Riverside. Comment
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Sep 3 2011
  SD86687  Ranunculus cymbalaria var. saximontanus Helen V. Witham 1970-4-29 817 Riverside in creekbed, Palms to Pines Highway, near Lake hemet 1200 Comment
  UCR159264  Rhamnus ilicifolia A. C. Sanders, Kelly Volansky 2005-8-31 31577 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR54446  Rhamnus ilicifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8735 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA801731  Rhododendron occidentale LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6176 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  CAS-BOT-BC200034  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UC449682  Rhus integrifolia Fred M. Reed 1908-2-23 2238 Riverside Wilder's Canyon; Jurupa Hills Comment
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Jul 30 2006
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  IRVC88  Rhus ovata D. DeVault 1965-4-24 s.n. Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  RSA736736  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UC1130537  Rhus ovata H. S. Yates 1937-3-24 6469 Riverside s of Pinyon Flat 975 Comment
  UCR41364  Rhus ovata N. M. Fellows 1985-3-16 103 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  CAS-BOT-BC93062  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  CAS-BOT-BC108723  Ribes cereum S. B. Parish; W. F. Parish 1880-8-1 494 Riverside San Jacinto Mountains. 2438 Comment
  POM12883  Ribes cereum P. A. Munz 1922-7-6 6002 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA191421  Ribes indecorum E. W. Lathrop, Robert F. Thorne 1967-9-26 6599 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  CAS-BOT-BC168948  Ribes malvaceum Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  POM13348  Ribes malvaceum var. viridifolium E. C. Jaeger 1921-6-13 s.n. Riverside Mac Mullin Trail Comment
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Apr 4 2011
  RSA575881  Ribes malvaceum var. viridifolium Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 Sec. 5 and NE 1/4 Sec. 6. 610 Comment
  UC1929908  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  CAS-BOT-BC226934  Romneya coulteri A. C. Sanders; John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: Hills between I-15 and Temescal Canyon Rd., 0.22 km south (178 deg. ) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake 325 Comment
  RSA446202  Romneya coulteri Emery M. Whilton 1938-5-16 s.n. Riverside taken in the Mountains between Lake Elsinore and El Capistrana Comment
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Apr 22 2013
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  CAS-BOT-BC147538  Rosa californica Lathrop; Thorne 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  LA208272  Rosa californica Louis C. Wheeler; 1931-10-4 204 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  POM366414  Rubus parviflorus N. C. Cooper 1949-6-29 4338 Riverside Pine Cove. 1829 Comment
  SD51953  Rumex acetosella Reid Moran 1962-7-7 9862 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR125221  Rumex crispus Mitch Provance 1998-5-29 558 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  UCR137712  Rumex crispus D. L. Banks 1997-3-29 1567 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
  UCR86032  Sagina decumbens subsp. occidentalis Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  JEPS62514  Salazaria mexicana W. L. Jepson 1901-5-22 1383 Riverside Palm Canyon and return to Van Deventer's; Palm Canyon, Van Deventer's 914 Comment
  UCR251645  Salazaria mexicana Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 827 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR155083  Salix exigua A. C. Sanders, Kelly Volansky 2005-3-17 29240 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
  UCR26182  Salix exigua John C. Roos 1947-2-15 3244 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR87880  Salix exigua G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  JOTR35491  Salix exigua var. hindsiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3179 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  CAS-BOT-BC108117  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Can., Coachella Valley Comment
  RSA479853  Salix gooddingii L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  RSA737440  Salix gooddingii Justin M. Wood 2008-8-31 116 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UC492435  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside ca. 800 m from on way to Blythe Bridge State Inspection Station (overflow land back of Colorado R.) 90 Comment
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Mar 26 2011
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  LA208733  Salix laevigata Carl Hedin; Joseph Ewan 1932-7-9 7678 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  RSA714656  Salix laevigata A. C. Sanders, Guy Bruyea 2004-4-2 27408 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  RSA770441  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4573 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD187475  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR90961  Salix laevigata Scott D. White 1996-2-18 3811 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA741205  Salix lasiolepis Scott D. White, Justin M. Wood 2008-5-15 11963 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  UCR176904  Salix lasiolepis Tracy Tennant 1998-3-17 MOR- 1080 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, sample site P-10 1037 Comment
  UCR3404  Salix lasiolepis John Minnich 1964-3-9 64-3-9- 2 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
  CAS-BOT-BC128447  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 s.n. Riverside Mt. San Gorgonio, High Creek Comment
  SD175812  Salsola australis D. G. Kelch 2006-12-8 06 524 Riverside Santa Rosa Plateau, roadside. Comment
  RSA500183  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3521 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR118400  Saltugilia australis A. C. Sanders 1994-5-30 14584 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC489623  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  IRVC2068  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-28 SJ 37 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  RSA450306  Salvia apiana J. C. Roos 1948-5-8 3824 Riverside Whitewater. 549 Comment
  SD137722  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 350 Riverside North of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  SEINET3225666 Image available Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore. 460 Comment
  UC25654  Salvia apiana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR3010  Salvia apiana Wm. Horn Jr. 1963-4-21 630421- 3 Riverside Riverside, UCR campus, 100 yards south of Agricultural Extension Service Building 305 Comment
  RSA4136  Salvia carduacea M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  UC574920  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
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Sep 17 2016
  IRVC2082  Salvia columbariae R. H. Whittaker, W. A. Niering 1963-5-27 SJ 14 Riverside Hemet Hwy. San Jacinto Mountains 1204 Comment
  RSA401493A  Salvia columbariae Ora M. Clark 1929-3-2 1600 Riverside Near Alberhill Comment
  UC883891  Salvia columbariae I. W. Clokey and B. C. Templeton 1930-4-9 4684 Riverside n of Banning 1000 Comment
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Mar 13 2011
  RSA0051567  Salvia columbariae Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Highway. Comment
  SEINET13947317 Image available Salvia columbariae C. L. Hitchcock, C. V. Muhlick 1964-1 23244 Riverside Side Canyon near S entrance to Joshua Tree National Monument Comment
  RSA45224  Salvia greatae L. Roos 1949-4-6 4154 Riverside Mouth of rocky canyon, south foot Chocolate Mtns., north of Pope. 91 Comment
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May 26 2015
  SEINET4853918  Salvia greatae Unknown 1905-4-22 5848 Riverside 4 miles northeast of Dos Palmos. Comment
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Dec 11 2019
  UCR174264  Salvia mellifera A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32671 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UCR97687  Salvia mellifera A. C. Sanders, G. Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  RSA471419  Sanicula arguta Robert Gustafson 1983-4-18 2506 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  POM3180  Sanicula bipinnatifida Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR212674  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd 427 Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  UCR104159  Sarcostemma cynanchoides subsp. hartwegii Scott D. White 1997-5-25 5219 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
  UCR57225  Satureja chandleri Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  CSUSB1165  Schismus arabicus Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA704586  Schismus arabicus LeRoy Gross 2005-3-3 1585 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR245913  Schismus arabicus Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3946 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  HSC92568  Schismus barbatus Isely, Bragonier 1960-3-22 7196 Riverside Desert Palms. Comment
  JOTR37746  Schismus barbatus Hodges, Stephen R., Aliya Ingersoll 2016-2-24 660 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  NY43366  Schismus barbatus C. R. Annable 1995-3-10 2265 Riverside 1.6km S of Lake Cahuilla County Park Comment
  UCR102747  Schismus barbatus B. G. Pitzer 1998-2-1 3447 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA0037339  Schismus barbatus John Wallace, Steve McNabb 1991-5-5 6 Riverside Colorado River. River Bend Lodge. Comment
  UCR163233  Schoenoplectus acutus var. occidentalis D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  RSA737275  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SDSU19224  Schoenoplectus americanus Kristen Hasenstab, Dave Bailey 2008-8-7 181 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  RSA660242  Schoenoplectus maritimus M. Duke, Christy Hightower, C. McElroy 1982-5-15 14 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  CLARK-A1528-16  Scirpus acutus C. M. Flanagan 1973-6-13 OO 712 Riverside Morongo Indian Reservation 1127 Comment
  CAS-BOT-BC111014  Scirpus microcarpus Samuel Bonsal Parish; William Fletcher Parish 1882-6-1 1051 Riverside Banks of streams, etc, San Jacinto Mts. Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  CLARK-A1528-5564  Scirpus olneyi John C. Roos, Lucille Roos 1952-6-10 5762 Riverside Riverside 259 Comment
  SBBG37513  Scrophularia californica R. N. Muller 1962-5-5 34 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UC27614  Scrophularia californica Geo. F. Reinhardt Riverside San Jacinto Valley Comment
  UC76439  Scrophularia californica subsp. floribunda Miss M. Alice King May, 1893 Riverside Box Springs Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside 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, Peninsular Range, San Jacinto Mtns. 1474 Comment
  UCR281202  Scutellaria bolanderi subsp. austromontana James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1569 Comment
  UC25773  Scutellaria siphocampyloides H. M. Hall Aug. 1896 334 Riverside San Jacinto Mountains 1828 Comment
  UCR193456  Scutellaria siphocampyloides A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35644 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR22163  Scutellaria tuberosa Steve Boyd 1980-6-4 314 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR173759  Searsia lancea Mike Misenhelter 2006-5-12 s.n. Riverside San Jacinto Valley, SE of intersection of Fairview and Olive Aves., Valle Vista Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  RSA683700  Selaginella bigelovii Tena Shultz Clare 1931-01 14611 Riverside Colorado Desert, S of Banning. Comment
  UCR131828  Selaginella bigelovii Jennie Phui 1998-5-30 030 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  CAS-BOT-BC5678  Selaginella eremophila Ivan Murray Johnston 1917-4-4 1047 Riverside Palm Canyon Comment
  RSA747993  Selaginella eremophila Scott D. White, Justin M. Wood 2009-4-28 12596 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  POM161555  Selaginella watsonii Ralph Hoffman 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET7073397  Senecio californicus A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR116076  Senecio californicus O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  UC832992  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  SEINET5584421  Senecio lemmonii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  POM160081  Senecio mohavensis E. C. Jaeger 1927-3-23 s.n. Riverside Hidden Springs. Comment
  RSA496133  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3015 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA509557  Senecio vulgaris Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SD229165  Senegalia greggii Dick Schwenkmeyer 2012-11-6 863 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCSB37842  Senegalia greggii Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Wash north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  SEINET5504219  Senna armata Ynez Whilton Winblad 1937-4-22 Riverside Box Canyon Comment
  UC484160  Senna armata B. D. Stark 1930-5-25 Riverside Chuckawalla Valley Colorado Desert, Chuckawalla Valley Comment
  UCR126000  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  CAS-BOT-BC438206  Sesuvium verrucosum F. O. Ballou 1926-2-28 s.n. Riverside Fish Springs, shore of Salton Sea Comment
  RSA575912  Sesuvium verrucosum Steve Boyd, Darin Banks 1994-9-29 8372 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UC1026580  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside corner Iowa Ave. & 8th. St. e. of Riverside 304 Comment
  UCR102845  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA88008  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19562 Riverside north edge of town of Idyllwild. Comment
  UC64172  Sidalcea malviflora subsp. sparsifolia H. M. Hall June 1897 674 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1828 Comment
  SEINET6947339  Sidalcea sparsifolia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  SBBG62401  Sidotheca trilobata E. Rockwell 1920-7-4 887 Riverside Hemet Grade 914 Comment
  RSA234081  Silene laciniata subsp. major R. F. Thorne, E. W. Lathrop 1969-6-6 39330 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA34600  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  CAS-BOT-BC389583  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  CAS-BOT-BC389585  Silene parishii Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UC63866  Silene parishii H. M. Hall 1896-8-29 313 Riverside Tahquitz Ridge San Jacinto Mountains, Tahquitz Ridge 2286 Comment
  UCR44437  Silene verecunda A. C. Sanders 1986-6-1 6564 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA0105948  Simmondsia chinensis Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA23234  Simmondsia chinensis Ernest Braunton 1940-4-3 2024 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  RSA76033B  Simmondsia chinensis F. W. Peirson 1920-6-23 2806 Riverside Aguanga. 610 Comment
  RSA76937  Simmondsia chinensis F. W. Peirson 1920-12-29 8415 Riverside Point of Rocks, 1.5 miles east of Whitewater Station, head of Coachella Valley 335 Comment
  RSA790192  Simmondsia chinensis James R. Shevock 1986-3-23 11355 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  RSA33829  Sinapis arvensis N. C. Cooper 1944-5-21 1274 Riverside San Jacinto Mountains, West side 1220 Comment
  SBBG72157  Sisymbrium altissimum R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  UCR97648  Sisymbrium altissimum A. C. Sanders, G. Helmkamp 1997-3-15 19939 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UCR239895  Sisymbrium erysimoides O. F. Clarke 2004-2-20 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA495786  Sisymbrium irio Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2885 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment