33.83222 33.93222 -117.70722 -117.60722 UC/JEPS: Consortium Search Results
Search Results — 1609 specimen records retrieved (1609 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  CAS-BOT-BC333255  Acer macrophyllum John Thomas Howell 1927-7-26 2839 Orange SE fork of Claymine Canon, N. Santa Ana Mts. 304 Comment
  CAS-BOT-BC333257  Acer macrophyllum B. D. Stark 1931-6-10 2246 Orange Claymine Can, N end of Santa Ana Mts. 243 Comment
  JEPS42668  Acer macrophyllum John Thomas Howell 1927-7-26 2839 Orange Claymine Canyon Santa Ana Mts., Claymine Canyon 304 Comment
  RSA1333  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA3249  Acer macrophyllum B. D. Stark 1931-6-10 2246 Orange Claymine Canyon north end of Santa Ana Mountains. 244 Comment
  RSA456  Acer macrophyllum J. T. Howell 1927-7-26 478 Orange Claymine Ca - on near Sierra Peak. 244 Comment
  RSA603073  Acer macrophyllum Joseph A. Ewan 1933-3-19 10900 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  RSA696452  Acer macrophyllum Keith E. Hoffmaster 1934-4-8 138 Riverside Santa Ana Mts. Comment
  UCR26997  Acourtia microcephala E. W. Lathrop 1966-5-17 6547 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR270746  Adenostoma fasciculatum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8362 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA12898  Adenostoma fasciculatum var. fasciculatum E. R. Johnson, Percy C. Everett 1935-1-14 6288 Orange Open firebreak on slopes of Sierra Peak, along road to Claymine Canyon 610 Comment
  RSA5304  Adenostoma fasciculatum var. fasciculatum Carl B. Wolf 1932-12-19 1697 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA553109  Adenostoma fasciculatum var. fasciculatum Fred M. Roberts 1989-5-9 4341 Orange Gypsum Canyon, west for, 5.6 km WNW Sierra Peak, 1km S Hwy 91. 146 Comment
  RSA608234  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10068 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  RSA608236  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10070 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  CAS-BOT-BC65577  Adiantum jordanii John Thomas Howell 1927-6-24 2577 San Bernardino Aliso Canyon, southern Puente Hills near Santa Ana Canyon 274 Comment
  POM122866  Adiantum jordanii Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon Comment
  RSA1498  Adiantum jordanii J. T. Howell 1929-2-6 1220 Orange Claymine Canyon, Santa Ana Mountains 213 Comment
  CAS-BOT-BC64521  Ailanthus altissima E. R. Johnson 1934-5-19 5735 San Bernardino Aliso Canyon, Rancho Santa Ana. 243 Comment
  RSA12193  Ailanthus altissima E. R. Johnson 1934-5-19 5734 San Bernardino Aliso Canyon, Rancho Santa Ana. 183 Comment
  RSA12194  Ailanthus altissima E. R. Johnson 1934-5-19 5735 San Bernardino Aliso Canyon, Rancho Santa Ana. 183 Comment
  RSA12195  Ailanthus altissima E. R. Johnson 1934-5-19 5736 San Bernardino Aliso Canyon, Rancho Santa Ana. 183 Comment
  RSA12196  Ailanthus altissima E. R. Johnson 1934-5-19 5737 San Bernardino Aliso Canyon, Rancho Santa Ana. 183 Comment
  RSA6060  Ailanthus altissima E. R. Johnson 1932-05 3704 San Bernardino Aliso Canyon, Rancho Santa Ana. Comment
  UCD117159  Ailanthus altissima Earl W. Lodthrop 1977-5-19 7681 Riverside Santa Ana Mountains. Base of Sierra Peak, facing Santa Ana Canyon, 1 mile NE of Coal Canyon. 167 Comment
Read comments
Apr 27 2013
  CAS-BOT-BC135853  Allium haematochiton P. C. Everett; E. R. Johnson 1935-5-29 7093 Orange Santa Ana Mts., head of Claymine Canyon 731 Comment
  CAS-BOT-BC135854  Allium haematochiton P. C. Everett; E. R. Johnson 1935-5-29 7093 Orange Santa Ana Mts., head of Claymine Canyon 731 Comment
  RSA16417  Allium haematochiton Percy C. Everett, E. R. Johnson 1935-5-29 7093 Orange Santa Ana Mountains, head of Claymine Canyon. 732 Comment
  UCR132990  Allium haematochiton Adrian Wolf 2000-5-4 466 Orange Santa Ana Mtns., North Ranch Policy Plan Area, ridgeline between upper Gypsum and Fremont Canyon, Main Divide Road, overlooking upper Fremont Cyn. 726 Comment
  UCR215292  Allium haematochiton Fred M. Roberts, D. E. Bramlet 2008-5-13 6952 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  CAS-BOT-BC132051  Allium peninsulare var. peninsulare P. C. Everett; E. R. Johnson 1935-5-29 7092 Orange Santa Ana Mts., Summit of Claymine Canyon 762 Comment
  POM122474  Allium praecox Marcus E. Jones 1923-3-13 s.n. Orange Santa Ana Canon. Comment
  RSA13134  Allium praecox Percy C. Everett, E. R. Johnson 1935-5-29 7092 Orange Santa Ana Mountains, head of claymine canyon. 762 Comment
  RSA264153  Allium praecox C. W. Tilforth 1977-3-6 1257 Orange Small canyon west of Gypsum Canyon, south side of Santa Ana River, Santa Ana Canyon 152 Comment
  RSA367119  Allium praecox E. Crow 1929-4-7 312 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  RSA734227  Allium praecox Keith E. Hoffmaster 1934-4-8 144 Riverside Santa Ana Mts. Comment
  SBBG863  Allium praecox H. and M. Dearing 1937-4-12 3100 Orange Santa Ana Cyn Comment
  CAS-BOT-BC170688  Alnus rhombifolia John Thomas Howell 1927-7-21 2810 Orange Santa Ana River bottom, Santa Ana Canon [canyon] 152 Comment
  RSA319700  Amaranthus palmeri Patricia Wilder 1970-10-30 4820 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  IRVC22955  Amblyopappus pusillus Karlin G. Marsh 1986-10-18 Orange Santa Ana Canyon, Featherly Park; in sandy wash. Yorba Linda Comment
  POM320502  Ambrosia acanthicarpa Patricia Wilder 1970-10-15 4767 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  POM319666  Ambrosia psilostachya Patricia Wilder 1970-10-15 4769 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA800133  Ammannia coccinea Justin M. Wood 2010-9-29 2746 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 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
  UCR189542  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
  CAS-BOT-BC177252  Amorpha fruticosa Crawford; Johnston 1917-6-9 1225 Orange Santa Ana River near Corona Comment
  CAS-BOT-BC177257  Amorpha fruticosa John Thomas Howell 1927-6-6 2449 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  RSA30674  Amorpha fruticosa L. C. Wheeler 1932-7-9 939 Riverside Santa River canyon 3 miles below Prado. 137 Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  UCR208861  Amorpha fruticosa L. C. Wheeler 1932-7-9 0939 Riverside Santa Ana River Canyon 3 miles below Prado 137 Comment
  SEINET3218584 Image available Amorpha fruticosa var. occidentalis Lynn Baasch 1971-5-24 Riverside Santa Ana River bed 1/4 mi S. E. of U.P.R.R. bridge. Comment
  HSC3516  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23064 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  POM319691  Amsinckia intermedia Patricia Wilder 1971-5-13 4952 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. Alt. 650 ft. 198 Comment
  RSA621  Amsinckia intermedia J. T. Howell 1927-6-5 29 San Bernardino Aliso Canyon, Rancho Santa Ana. 152 Comment
  UC1292600  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23064 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  RSA0031721  Anagallis arvensis Caralisa Breidenbaugh, Mark Breidenbaugh 1992-5-1 8 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  CAS-BOT-BC400347  Anemopsis californica John Thomas Howell 1927-6-5 2422 San Bernardino Aliso Canon [Canyon], Southern Puente Hills 213 Comment
  RSA181  Anemopsis californica J. T. Howell 1927-6-5 26 San Bernardino Aliso Canyon, Rancho Santa Ana. 213 Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
Read comments
Jun 10 2012
  UCR270743  Anthriscus caucalis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8377 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  JEPS4284  Antirrhinum nuttallianum subsp. nuttallianum John Thomas Howell 1927-6-26 2595 Orange Claymine Canyon; Santa Ana Mts. 304 Comment
  RSA699  Antirrhinum nuttallianum subsp. nuttallianum J. T. Howell 1927-6-26 214 Orange Claymine Canyon near Sierra Peak. 244 Comment
  RSA768577  Apium graveolens Justin M. Wood 2010-5-19 1846 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SEINET3080987 Image available Apium graveolens Michael DeJong 1971-5-2 Riverside Found between West end of lake in Fairmont Park and the Santa Ana River bottom Comment
  UC697754  Apium graveolens Kay H. Beach 1942-10-22 1661 Riverside 3 mi nw city limits of Corona (along Chino Creek); Chino Creek 198 Comment
  SEINET3142977  Aquilegia W. B. Crockatt sn Riverside Prado 91 Comment
  RSA629338  Arctostaphylos glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27644 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  UCR6046  Arctostaphylos glandulosa Robert A. Clark 1966-3-19 031966- 08 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  CAS-BOT-BC23104  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1927-6-26 2603 Orange Claymine Canyon, n. Santa Ana Mts. 457 Comment
  CAS-BOT-BC402202  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49708 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  POM367266  Arctostaphylos glandulosa subsp. glandulosa E. Crow 1929-2-22 165 Orange Gypsum Canyon, near corona, Santa Ana Mts. Comment
  RSA629332  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27643 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  RSA629339  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27642 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  RSA629340  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27640 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  RSA629343  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27641 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  RSA787500  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49708 Orange Northern Santa Ana Mountains: Sierra Peak 900 Comment
  POM254925  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-18 s.n. Riverside Sierra Peak, Santa Ana Mts. Comment
  RSA1542  Arctostaphylos glandulosa subsp. zacaensis E. R. Johnson 1929-4-11 1262 Orange Sierra Peak Trail. Comment
  RSA220964  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-23 6114 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA5328  Arctostaphylos glandulosa subsp. zacaensis B. D. Stark 1933-1-4 4486 Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA5358  Arctostaphylos glandulosa subsp. zacaensis C. B. Wolf, B. D. Stark 1932-12-19 4438 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  RSA545  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1927-6-26 222 Orange Claymine Canyon, near Sierra Peak. 457 Comment
  RSA608235  Arctostaphylos glandulosa subsp. zacaensis Steve Boyd, Bart O'Brien 1998-1-13 10069 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 914 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  RSA1541  Arctostaphylos glauca B. D. Stark 1930-2-21 1472 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UCR60640  Arctostaphylos glauca C. B. Wolf 1932-2-11 02649 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  POM367325  Arctostaphylos glauca var. glauca E. Crow 1929-4-7 322 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  POM367327  Arctostaphylos glauca var. glauca C. B. Wolf 1942-2-11 2649 Riverside Santa Ana Mountains, Hidden Canyon, 5mi. W. of Corona, base of Skyline Drive. 405 Comment
  RSA1533  Arctostaphylos glauca var. glauca J. T. Howell 1929-1-24 1218 Orange Between Claymine Canyon and Sierra Peak, Santa Ana Mts. Comment
  RSA3120  Arctostaphylos glauca var. glauca C. B. Wolf 1932-2-11 2649 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA544  Arctostaphylos glauca var. glauca J. T. Howell 1927-6-26 223 Orange Claymine Canyon, near Sierra Peak. 457 Comment
  UCR27108  Argemone munita subsp. robusta T. P. Krantz 1981-6-18 s.n. Orange Santa Ana Mtns, Main Divide Truck Trail near the head of the canyon Comment
  UCR215291  Aristida adscensionis Fred M. Roberts, D. E. Bramlet 2008-5-13 6953 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  UCR138437  Aristida purpurea var. parishii R. E. Riefner Jr. 2000-7-9 20 635 Orange Santa Ana Mtns., Cleveland National Forest, upper drainage of Fremont Canyon along the southern National Forest Boundary; above the powerline 610 Comment
  POM318603  Artemisia biennis Patricia Wilder 1970-10-15 4809 Riverside Prado Dam in Prado Flood Control Basin on edge of river bordering old roadbed east of dam. 122 Comment
  CAS-BOT-BC90186  Artemisia californica Marcus E. Jones 1930-3-3 26497 Orange Santa Ana Mountains Comment
  CAS-BOT-BC90187  Artemisia californica John Thomas Howell 1927-10-22 3159 Orange hills on n. side of Santa Ana [Canon] 213 Comment
  RSA417250  Artemisia californica Marcus E. Jones 1930-3-3 26497 Orange Santa Ana Mountains. Comment
  RSA784531  Artemisia californica J. D. Olmsted 1959-2-23 266 Riverside Drainage area NE to Santa Ana River: 1 mi SW of olive grove on Oak flat fire rd. 4 mi S of Corona on Lincoln and Chase Dr. to wash then south. 457 Comment
  RSA731954  Artemisia dracunculoides Fred M. Roberts 2007-12-12 6704 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  POM319663  Artemisia dracunculus Patricia Wilder 1970-10-15 4802 Riverside Prado Dam on bank at east end of dam in Prado Flood Plain Control Basin. 183 Comment
  RSA443828  Artemisia tridentata Gordon Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Santa Ana Mountains, Coal Canyon, near canyon mouth, extreme north end bordering Santa Ana Canyon Comment
  CAS-BOT-BC97299  Artemisia tridentata subsp. tridentata J. T. Howell 1927-10-22 3165 Orange in Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  RSA12192  Asclepias eriocarpa E. R. Johnson 1934-5-19 5733 San Bernardino Aliso Canyon, Rancho Santa Ana. 183 Comment
  RSA263781  Asclepias eriocarpa Robert Harvey 1959-8-4 157 Riverside Tin Mine Canyon Calif. near Corona. 610 Comment
  RSA696498  Asclepias eriocarpa Keith E. Hoffmaster 1934-4-8 772 Riverside Santa Ana Mts. Comment
  UCR141452  Asclepias eriocarpa June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  POM201679  Asclepias fascicularis L. M. Booth 824 Riverside roadside. Comment
  POM319657  Asclepias fascicularis Patricia Wilder 1970-10-15 4807 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  RSA12198  Asclepias fascicularis E. R. Johnson 1934-6-6 5739 San Bernardino Aliso Canyon, Rancho Santa Ana. Upper sonoran. 183 Comment
  CAS-BOT-BC65782  Aspidotis californica John Thomas Howell 1927-7-3 2639 Orange Claymine Canyon, n. Santa Ana Mts. 304 Comment
  POM158199  Aster subulatus var. ligulatus Philip A. Munz, I. M. Johnston 1928-9-6 11282 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  RSA699979  Astragalus Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  CAS-BOT-BC180451  Astragalus brauntonii Carl B. Wolf 1936-6-22 8000 Orange Santa Ana Mts., No. slopes of Sierra pk., Claymine Canyon truck trail to Sierra Pk. 457 Comment
  CAS-BOT-BC180452  Astragalus brauntonii Carl B. Wolf 1936-6-22 8000 Orange Santa Ana Mts., No. slopes of Sierra Pk., Claymine Canyon truck trail to Sierra Pk. 457 Comment
  CAS-BOT-BC180453  Astragalus brauntonii B. D. Stark 1933-6-1 4997 Orange Santa Ana Mts., No. slopes of Sierra Peak Comment
  CAS-BOT-BC180489  Astragalus brauntonii Richard Snow 1957-7-25 59 -2 Orange North slopes of Sierra Peak, Claymine Canyon Truck trail to the peak, Santa Ana Mts. 457 Comment
  CHSC100664  Astragalus brauntonii Elizabeth Landis; Velentin Arvizu, Cliff McLean, Kadest Ketsella 1970-8-25 Orange Peninsular Ranges; Santa Ana Mountains region: Specimen located against wooden cofferdam in wet sand in CalTrans debris basin on S side of 91 Freeway in Coal Canyon. UTM Zone 11S; 3748048N 0436356E. 137 Comment
Read comments
Nov 22 2011
  GH366245  Astragalus brauntonii C. B. Wolf 1936-6-22 8000 Unknown Santa Ana Mts. No. Slopes of Sierra Pk., Claymine Canyon Truck Trail to Sierra Pk. 457 Comment
  LA204886  Astragalus brauntonii Carl B. Wolf; 1936-6-22 8000 Orange Santa Ana Mountains, N slopes of Sierra Peak, Claymine Canyon Truck Trail to Sierra Peak 457 Comment
  NY621861  Astragalus brauntonii C. B. Wolf 1936-6-22 8000 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0014609  Astragalus brauntonii Justin M. Wood 2010-5-12 1686 Orange Santa Ana Canyon: Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corridor, west of Green River Golf Course of bluff south of the river. 122 Comment
  RSA0016942  Astragalus brauntonii Adrian Wolf, Paul Galvin 2003-8-11 s.n. Orange North Ranch Policy Plan Area, Gypsum Canyon. 284 Comment
  RSA20375  Astragalus brauntonii Percy C. Everett, E. R. Johnson 1937-11-30 9381 Orange Claymine Canyon to sierra peak Road 609 Comment
  RSA244241  Astragalus brauntonii C. B. Wolf 1936-6-22 8000 Orange Sierra Peak, Claymine Canyon truck trail to Sierra Peak 457 Comment
  RSA443829  Astragalus brauntonii Gordon Marsh, K. G. Marsh 1978-5-20 s.n. Orange Coal Canyon, along Coal Creek. Comment
  RSA6139  Astragalus brauntonii B. D. Stark 1933-06 4997 Orange Santa Ana Mountains, north slopes of Sierra Peak. [county unspecified] Comment
Read comments
Aug 9 2007
  RSA701753  Astragalus brauntonii Elisabeth Landis, Valentin Arvizu, Cliff McLean, Kadest Ketsella 2004-9-6 s.n. Orange Specimen located against wooden cofferdam in wet sand in CalTrans debris basin on S side of 91 Freeway in Coal Canyon. Comment
Read comments
Nov 22 2011
  UC592754  Astragalus brauntonii Carl B. Wolf 1936-6-22 8000 Orange n slopes Sierra Pk (Claymine Canyon Truck Trail to Sierra Pk); Santa Ana Mts., n slopes Sierra Pk 457 Comment
  UCR170789  Astragalus brauntonii Adrian Wolf, Paul Galvin 2003-8-11 s.n. Orange Santa Ana Mtns., North Ranch Policy Plan Area, Gypsum Canyon 284 Comment
  UCR224310  Astragalus brauntonii Justin M. Wood 2010-5-12 1686 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon Wildlife Corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  UCR229599  Astragalus brauntonii Betsey Landis, Valentin Arvizu, Cliff McLean, Kadest Ketsella 2004-9-6 s.n. Orange Peninsular Ranges; Santa Ana Mountains region, against wooden cofferdam in wet sand in CalTrans debris basin on S side of 91 Freeway in Coal Canyon, very near the dead end offramp 166 Comment
  UCSB57137  Astragalus brauntonii Marsh, G.; Marsh, K. 1978-5-20 Orange Santa Ana Mts.; Coal Canyon, along Coal Creek Comment
Read comments
Aug 6 2013
  CAS-BOT-BC194135  Astragalus pomonensis Munz; Harwood 1920-2-28 3253 Riverside 3 miles west of Corona 304 Comment
  POM319686  Astragalus pomonensis Patricia Wilder 1971-5-13 4947 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  RSA415763  Astragalus trichopodus Elizabeth Tisdale 1931-6-19 20344 Riverside Chino Hills border. Santa Ana Valley. Comment
  RSA415764  Astragalus trichopodus Freda Detmers 1931-6-19 s.n Riverside Chino Hills. Comment
  UCR12616  Astragalus trichopodus subsp. leucopsis R. G. Sullivan 1972-4-16 720416- 8 Orange Santa Ana River Channel, river bottom near Coal Canyon Road 122 Comment
  RSA263655  Astragalus trichopodus var. trichopodus E. W. Lathrop 1977-4-13 7604 Orange Coal Canyon at base of Sierra Peak in the Santa Ana Canyon. Comment
  GH376263  Atriplex canescens P. A. Munz 1923-9-6 7727 Unknown Rincon 182 Comment
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Jul 16 2014
  POM18998  Atriplex canescens P. A. Munz 1923-9-6 7727 San Bernardino Rincon. 183 Comment
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Jul 16 2014
  RSA736755  Atriplex canescens Scott D. White, Lynn Stafford 2007-6-27 11747 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC284758  Atriplex canescens P. A. Munz 1923-9-6 7727 San Bernardino Rincon 182 Comment
Read comments
Jul 16 2014
  RSA746530  Atriplex glauca R. E. Riefner Jr. 2006-8-22 6 -399 Riverside City of Corona, vicinity of Green River Rd. and Palisades Dr. 61 Comment
  UCR208440  Atriplex glauca R. E. Riefner Jr. 2006-8-22 06- 399 Riverside city of Corona, vicinity of Green River Road and Palisades Drive 61 Comment
  RSA736757  Atriplex lentiformis Scott D. White, Lynn Stafford 2007-6-27 11749 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA736766  Atriplex prostrata Scott D. White, Lynn Stafford 2007-7-5 11758 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC72715  Atriplex semibaccata F. M. Reed 1903-8-15 374 Riverside near Rincon; near Rincon Comment
  RSA0014444  Avena fatua Justin M. Wood 2010-3-4 1416 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  GH376936  Azolla filiculoides L. C. Wheeler 1933-7-27 2044 Unknown Santa Ana River at Chico Creek 152 Comment
  RSA639390  Azolla filiculoides Louis Cutter Wheeler 1933-7-27 2044 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM153384  Baccharis douglasii Philip A. Munz, I. M. Johnston 1928-9-12 11264 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  RSA350336  Baccharis emoryi L. C. Wheeler 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  SD240841  Baccharis pilularis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39928 Riverside Peninsular Range; Santa Ana Mtns.: near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line. Saddle on ridge. 883 Comment
  UCR231196  Baccharis pilularis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39928 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  UCR270761  Baccharis pilularis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8367 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  HSC5133  Baccharis salicifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23068 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  POM318588  Baccharis salicifolia Patricia Wilder 1970-10-15 4795 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  POM319652  Baccharis salicifolia Patricia Wilder 1970-10-30 4826 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  POM350366  Baccharis salicifolia N. C. Cooper 1949-3-18 3166 Orange Santa Ana Canyon 244 Comment
  POM350370  Baccharis salicifolia E. Crow 1929-2-22 171 Orange Gypsum Canyon, Snata Ana Mts, S of Corona Comment
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Aug 29 2013
  RSA117755  Baccharis salicifolia S. Carlquist 1958-5-31 489 Riverside Sandstone hills along W side of Prodo Dam. Comment
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Apr 4 2013
  RSA731951  Baccharis salicifolia Fred M. Roberts 2007-12-12 6707 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  SDSU199  Baccharis salicifolia subsp. salicifolia F. Young Berg 1933-10-2 Riverside Roadside near Chino. Comment
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Mar 10 2014
  UC1292590  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock and C. V. Muhlick 1964-3-17 23068 Orange 8 mi e of Yorba Linda (Santa Ana Canyon); Santa Ana Canyon Comment
  CAS-BOT-BC106669  Baccharis salicina John Thomas Howell 1927-10-22 3166 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  SD37249  Baccharis salicina Darley F. Howe 1945-10-20 1353 Riverside Between Orange and Corona Comment
  SD37250  Baccharis salicina Darley F. Howe 1945-10-20 1354 Riverside Between Orange and Corona Comment
  IRVC22976  Baccharis sarothroides Karlin G. Marsh 1986-12-15 Orange Santa Ana Canyon, Santa Ana River, south side, Horseshoe Bend, Yorba Linda 105 Comment
  RSA362299  Baccharis sarothroides Karlin G. Marsh 1986-12-15 s.n. Orange Yorba Linda: Santa Ana Canyon, Santa Ana River 105 Comment
  RSA220990  Barbarea orthoceras E. W. Lathrop 1966-3-23 6118 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  CLARK-A1528-1648  Bebbia juncea John C. Roos 1995-6-19 Riverside Santa Ana Mountains Comment
  RSA1371  Bebbia juncea B. D. Stark 1930-2-21 1468 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA695624  Bebbia juncea Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCSB42271  Bebbia juncea Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  RSA799647  Bidens frondosa Justin M. Wood 2010-9-29 2742 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR189286  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM158180  Bidens laevis Philip A. Munz 1928-9-6 11266 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA319720  Bidens laevis Charlotte M. Wilder 1970-10-15 4808 Riverside Prado Dam in Prado Flood Control Basin on edge of river bordering old roadbed E of dam. 122 Comment
  RSA603750  Bidens laevis L. C. Wheeler 1932-9-4 1319 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  RSA736760  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA800671  Bidens laevis Justin M. Wood 2010-9-29 2750 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  SBBG133630  Bidens laevis S. D. White, L. Stafford 2007-6-27 11752 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UCR199778  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  UCR239926  Bidens laevis O. F. Clarke 2005-11-25 s.n. Riverside Prado Basin, Santa Ana River near Corona 155 Comment
  SEINET13297622 Image available Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8361 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR271519  Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8361 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA262062  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. Comment
  UCR26656  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA768244  Bowlesia incana Justin M. Wood 2010-5-19 1841 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA783665  Brassica adpressa J. D. Olmsted 1959-8-26 847 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  UCR231190  Brickellia californica A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39945 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  LA102380  Brickellia desertorum John C. Roos; 1965-9-12 sn Riverside Santa Ana Mountains, Tin Mine Canyon, 3 mi. SW of Corona 548 Comment
  RSA444676  Brickellia desertorum J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  SD239574  Brickellia desertorum Fred M. Roberts, Robert L. Allen, Sandra Leatherman 2009-10-2 7166 Riverside Santa Ana Mountains: Ridge between Mabey and Tine Mine Cyns., 4.2 km by road above Forest Service gate, 2.9 km SE Sierra Peak. Northeast-facing slope, road cut and adjacent slope. 708 Comment
  UCR18574  Brickellia desertorum John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  UCR209329  Brickellia desertorum Fred M. Roberts, R. L. Allen, Sandra L. Leatherman 2009-10-2 7165 Riverside Santa Ana Mountains, ridge between Mabey and Tin Mine Canyons, 4.2 km by road above Forest Service gate, 2.9 km southeast of Sierra Peak 709 Comment
  UCR231199  Brickellia desertorum A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39946 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  LA102370  Brickellia nevinii John C. Roos; 1965-9-12 sn Riverside Santa Ana Mountains, Tin Mine Canyon, 3 mi. SW of Corona 548 Comment
  RSA444677  Brickellia nevinii J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  RSA643100  Brickellia nevinii Orlando Mistretta 1992-8-31 s.n. Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  UC1551954  Brickellia nevinii J. C. Roos 1965-9-12 Riverside 3 mi sw of Corona Tin Mine Canyon (Santa Ana Mountains); Santa Ana Mountains 548 Comment
  UCR18575  Brickellia nevinii John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  POM223245  Brodiaea jolonensis R. Cooper 1936-5-21 1 Riverside Skyline Road above Corona. Comment
  RSA0014446  Bromus carinatus Justin M. Wood 2010-3-4 1417 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  HSC9305  Bromus madritensis subsp. rubens C. L. Hitchcock, C. V. Muhlick 1964-3-17 23060 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  UC1146066  Bromus madritensis subsp. rubens C. L. Hitchcock, C. V. Muhlick 1964-3-17 23060 Orange 8 mi e of Yorba Linda (Santa Ana Canyon); Santa Ana Canyon Comment
  CAS-BOT-BC161824  Bromus rubens C. L. Hitchcock; C. V. Muhlick 1964-3-17 23060 Orange 8 miles east of Yorba Linda, Santa Ana Canyon. Comment
  CHSC109281  Calandrinia breweri R. E. Riefner Jr. 2008-5-20 08 -104 Orange Irvine Ranch Reserve, North Irvine Ranch, western Fremont Canyon, Windy Ridge Rd. UTM: 11S 0435915E. 530 Comment
  CAS-BOT-BC132257  Calochortus catalinae Philip A. Munz 1949-5-26 13379 Orange Head of Sierra Canyon, Santa Ana Mts. 731 Comment
  RSA48924  Calochortus catalinae Philip A. Munz 1949-5-26 13379 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  UC337918  Calochortus plummerae unknown 1891-8-15 Orange Santa Ana Canyon Comment
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Feb 19 2014
  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
  RSA783290  Calochortus splendens J. D. Olmsted 1958-6-10 160 Riverside 8 miles SW of Corona on Oak Flat Fire Road (turn S in Corona from US [91?] onto Lincoln). Santiago Creek drainage area. 823 Comment
  CAS-BOT-BC132660  Calochortus weedii var. intermedius John Thomas Howell 1927-7-3 2636 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  POM256722  Calochortus weedii var. intermedius W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  RSA162804  Calochortus weedii var. intermedius John Olmsted 1958-6-10 156 Riverside 6.5 miles SW of Corona on Oak Flat fire road (Turn S in Corona from US onto Lincoln), lower Santa Ana River Drainage Area, Santa Ana Mountains. 732 Comment
  RSA747278  Calochortus weedii var. intermedius Orlando Mistretta 1992-6-10 515 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR217564  Calochortus weedii var. intermedius Jeff B. Galvin 2008-6-13 69 Riverside Peninsular Ranges, Santa Ana Mountains, South of Sierra Peak along main access road. ~ 4km south of Prado Dam 908 Comment
  RSA162004  Calochortus weedii var. weedii J. D. Olmsted 1958-6-10 156 Orange 6.5 miles SW of Corona on Oak Flat fire road (turn S in Corona from US onto Lincoln) Comment
  UCR215290  Calyptridium monandrum Fred M. Roberts, D. E. Bramlet 2008-5-13 6954 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  CHSC70486  Calystegia macrostegia R. A. Schlising 1973-6-25 3104 Orange SW of Corona; along dead-end road 2.1 mi SW of junction with Hwy 71. Comment
  RSA763057  Calystegia macrostegia subsp. arida E. W. Lathrop 1973-4-11 7405 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA794329  Calystegia macrostegia subsp. arida Justin M. Wood 2010-3-31 1446 Orange Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  RSA263767  Calystegia macrostegia subsp. intermedia E. W. Lathrop 1968-5-17 6885 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1067 Comment
  RSA647894  Calystegia macrostegia subsp. intermedia Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 23 Orange 1/2 mile south of Chino Hills State Park. By a seasonal tributary to the Santa Ana River. 167 Comment
  UCR282409  Calystegia macrostegia subsp. intermedia Mitch Provance 2012-4-7 412- 39 San Bernardino Prado Basin, Chino, S side of McCarty Rd., about 0.25 miles W of Hellman Ave. 167 Comment
  RSA466972  Camissonia bistorta E. Crow 1929-4-7 311 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA497  Camissonia californica J. T. Howell 1927-6-26 213 Orange Claymine Canyon near Sierra Peak. 244 Comment
  RSA660532  Camissonia hirtella Orlando Mistretta 1992-6-10 528 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA449008  Camissonia ignota H. Twining 1888-08 s.n. Riverside Rincon. Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  UCR224308  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  RSA794325  Camissonia robusta Justin M. Wood 2010-3-31 1442 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  IRVC22958  Cannabis sativa Karlin G. Marsh 1986-10-25 Orange [Santa Ana Canyon], Featherly Park; lawn weed. Yorba Linda Comment
  CAS-BOT-BC37592  Cardamine californica C. B. Wolf 1931-1-30 1826 Orange Santa Ana Mountains. Claymine Canyon. 304 Comment
  CAS-BOT-BC37593  Cardamine californica C. B. Wolf 1931-1-30 1826 Orange Santa Ana Mountains. Claymine Canyon. 304 Comment
  LA204281  Cardamine californica C. B. Wolf; 1931-1-30 1826 Orange Santa Ana Mountains, Claymine Canyon 304 Comment
  OBI6110  Cardamine californica Carl B. Wolf 1931-1-30 1826 Orange Claymine Cyn, Santa Ana mts 305 Comment
  UC484232  Cardamine californica var. californica C. B. Wolf 1931-1-30 1826 Orange Claymine Canyon , Claymine Canyon (Santa Ana Mts.) 304 Comment
  RSA1442  Cardamine californica var. integrifolia J. T. Howell 1929-2-11 1226 Orange Claymine Canyon, Samta Ana Mts. 305 Comment
  RSA2106  Cardamine californica var. integrifolia C. B. Wolf 1931-1-30 1826 Orange Claymine Canyon, Santa Ana Mts. 305 Comment
  RSA484622  Cardamine californica var. integrifolia E. Crow 1929-2-22 156 a Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA647884  Carduus tenuiflorus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 42 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 243 Comment
  CAS-BOT-BC118514  Carex praegracilis Ivan Murray Johnston 1918-5-26 1995 Riverside Santa Ana River NW of Corona. 152 Comment
  POM1481  Carex praegracilis I. M. Johnston 1918-5-26 1995 Riverside Santa Ana River, NW of Corona. 152 Comment
  CAS-BOT-BC402186  Castilleja affinis subsp. affinis R. F. Thorne; E. W. Lathrop; W. Wisura 1977-4-27 49649 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA789602  Castilleja affinis subsp. affinis Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49649 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] Comment
  UC1032492  Castilleja affinis subsp. affinis A. Lewis Feb 1934 264 Orange Santa Ana Canyon; Corona Quad. 152 Comment
  UCD170069  Castilleja affinis subsp. affinis R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49649 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 227 Comment
  RSA160582  Castilleja exserta subsp. exserta J. D. Olmsted 1959-4-17 395 Riverside 0.5 mile SW of Olive trees in mouth of Tin Mine Canyon along Skyline Drive; 5 mi. SW of Corona, Santa Ana Mountains 427 Comment
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Nov 19 2011
  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
  RSA160447  Castilleja foliolosa John Olmsted 1958-6-10 154 Riverside six miles southwest of Corona on Oak Flat fire road (turn S in Corona from US onto Lincoln). 610 Comment
  RSA400599  Castilleja foliolosa E. Crow 1929-4-7 309 Riverside Santa Ana Mountains, Corona Skyline Drive. 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
  UCSB9374  Castilleja foliolosa Lloyd, Robert 1959-4-17 Riverside Santa Ana Mt Range; 4 1/4 mi S of W Corona; on the Oak Flats Fire Road 426 Comment
  RSA612302  Castilleja stenantha Louis C. Wheeler 1932-7-9 934 Riverside Santa Ana River at Chino Creek. 152 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
  RSA769505  Casuarina cunninghamiana subsp. cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside City of Corona: Pomona-Rincon Rd, 0.2 miles N of intersection with Railroad St. 165 Comment
  UC1070888  Ceanothus R. St. John 1931-3-17 196 Orange N of Sierra Peak 609 Comment
  CAS-BOT-BC48453  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  CAS-BOT-BC48454  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  CAS-BOT-BC48494  Ceanothus crassifolius Marcus E. Jones 1930-3-3 26514 Orange Santa Ana mountains Comment
  CAS-BOT-BC48495  Ceanothus crassifolius Marcus E. Jones 1930-3-3 26514 Orange Santa Ana mountains Comment
  CAS-BOT-BC48496  Ceanothus crassifolius J. T. Howell 1929-1-24 1219 Orange Near crest of Santa Ana Mts., south of Sierra Peak 762 Comment
  CLARK-A1528-792  Ceanothus crassifolius I. Rauch 1968-2-15 Riverside Santa Ana Mountains Comment
  IRVC26891  Ceanothus crassifolius C. B. Wolf 1932-2-11 2648 Riverside Hidden [Tin Mine] Canyon, 5 mi. W of Corona, base of Skyline Drive. Santa Ana Mtns 405 Comment
  RSA1334  Ceanothus crassifolius Carl B. Wolf 1930-2-21 1473 Riverside Hidden Canyon, near Corona. Santa Ana Mts. Comment
  RSA1443  Ceanothus crassifolius J. T. Howell 1929-1-24 1219 Orange near crest of Santa Ana Mts. south of Sierra Peak. 762 Comment
  RSA1503  Ceanothus crassifolius B. D. Stark 1929-2-21 1606 Riverside Hidden Canyon, Santa Ana Mts. Comment
  RSA160402  Ceanothus crassifolius John Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in w. Corona, after 3 mi turn w. on Chase Dr., then s. on Oak Flat fire road for 3 mi. past olive trees. 762 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA3119  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA398894  Ceanothus crassifolius E. Crow 1929-2-22 160 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA5284  Ceanothus crassifolius Carl B. Wolf 1932-12-19 4435 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA790452  Ceanothus crassifolius Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49698 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  SD27983  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 Mi. west of Corona, base of Skyline Drive 405 Comment
  UC723782  Ceanothus crassifolius Joseph Andorfer Ewan 1933-3-19 10899 Riverside Tin Mine Canyon Santa Ana Mts. (along canyon bottom) Comment
  UCR124167  Ceanothus crassifolius June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UCR217288  Ceanothus crassifolius Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2212 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  UCR60641  Ceanothus crassifolius C. B. Wolf 1932-2-11 02648 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  JEPS42110  Ceanothus megacarpus John Thomas Howell 1927-6-26 2609 Orange just w Sierra Peak (head of Calymine Canyon); Santa Ana Mts. Comment
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May 8 2008
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  RSA467  Ceanothus megacarpus J. T. Howell 1928-2-6 807 Orange Claymine Canyon, Sierra Peak, Santa Ana Mts. 244 Comment
  RSA468  Ceanothus megacarpus J. T. Howell 1927-7-24 468 Orange Claymine Canyon near Sierra Peak. 152 Comment
  RSA735268  Ceanothus megacarpus Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  UCR222392  Ceanothus megacarpus Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2221 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  CAS-BOT-BC50507  Ceanothus megacarpus var. megacarpus John Thomas Howell 1927-6-26 2609 Orange Claymine Canyon, n. Santa Ana Mts. 701 Comment
  CAS-BOT-BC50508  Ceanothus megacarpus var. megacarpus John Thomas Howell 1927-7-24 2828 Orange Claymine Canyon, n. Santa Ana Mts. 152 Comment
  RSA801987A  Ceanothus megacarpus var. megacarpus R. H. McArthur 1934-2-17 s.n. Orange Gypsum Canyon. Comment
  SBBG45051  Ceanothus megacarpus var. megacarpus J. T. Howell 1927-6-26 228 Orange Claymine Cyn near Sierra Pk 701 Comment
  UC1070883  Ceanothus megacarpus var. megacarpus A. Lewis 1934-3-1 366 Orange 2.5 mi w Sierra Peak; Corona quad. 609 Comment
  CAS-BOT-BC402197  Ceanothus oliganthus R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49699 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA3117  Ceanothus oliganthus Carl B. Wolf 1932-2-11 2646 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA398914  Ceanothus oliganthus E. Crow 1929-4-7 296 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA613299  Ceanothus oliganthus Joseph A. Ewan 1933-3-19 10898 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  RSA790668  Ceanothus oliganthus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49701 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA790670  Ceanothus oliganthus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49699 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  UCD169752  Ceanothus oliganthus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49701 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  UC2042146  Ceanothus papillosus R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  CAS-BOT-BC402196  Ceanothus papillosus var. roweanus R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA790451  Ceanothus papillosus var. roweanus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  UCD169753  Ceanothus papillosus var. roweanus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  RSA801988  Ceanothus thyrsiflorus R. H. McArthur 1934-3-17 s.n. Orange Gypsum Canyon Comment
  CAS-BOT-BC402189  Ceanothus tomentosus R. F. Thorne; E. W. Lathrop; W. Wisura 1977-4-27 49676 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  JEPS42109  Ceanothus tomentosus John Thomas Howell 1927-6-26 2608 Orange just w Sierra Peak (head of Calymine Canyon); Santa Ana Mountains Comment
  LA44949  Ceanothus tomentosus W. Pequegnat; 1939-8-11 35 Riverside Santa Ana Mountains, Sky line drive Comment
  RSA0050342  Ceanothus tomentosus W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  UC1071430  Ceanothus tomentosus A. Lewis Mar 1934 367 Orange 2 1/2 mi sw Sierra Peak; Cleveland National Forest, Corona Quad. 548 Comment
  UC219276  Ceanothus tomentosus P. A. Munz and I. M. Johnston 1922-5-19 5311 Orange Santa Ana River Canyon 457 Comment
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Aug 8 2010
  UCD169754  Ceanothus tomentosus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49676 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  UCR115378  Ceanothus tomentosus June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UCR26625  Ceanothus tomentosus E. W. Lathrop 1966-3-23 6078 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  POM12992  Ceanothus tomentosus subsp. olivaceus P. A. Munz, I. M. Johnston 1922-5-19 5311 Riverside Santa Ana River Canyon. 457 Comment
  RSA398967  Ceanothus tomentosus subsp. olivaceus Julian P. Donahue 1983-4-3 s.n. Riverside Santa Ana Mts., Skyline Dr., southwest of Corona. El. 2900' 884 Comment
  UCR217287  Ceanothus tomentosus subsp. olivaceus Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2214 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  A425492  Ceanothus tomentosus var. olivaceus J. T. Howell 1927-6-26 2608 Unknown Head of Claymine Canon just to west of Sierra Peak, Santa Ana Mts. 701 Comment
  CAS-BOT-BC63298  Ceanothus tomentosus var. olivaceus John Thomas Howell 1927-6-26 2608 Orange Claymine Canyon, n. Santa Ana Mts. 701 Comment
  RSA1041  Ceanothus tomentosus var. olivaceus J. T. Howell 1927-6-26 144 Orange Claymine Canyon near Sierra Peak. 213 Comment
  RSA1445  Ceanothus tomentosus var. olivaceus J. T. Howell 1929-2-11 1224 Orange trail from [Claymine] Canyon to Sierra Peak, Santa Ana Mts. 335 Comment
  RSA221096  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6092 Riverside Santa Ana Mountains: Corona between Tin Mine Canyon and Santiago Peak, Skyline Drie. Comment
  RSA254869  Ceanothus tomentosus var. olivaceus W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
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Sep 16 2008
  RSA262094  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6078 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA519202  Ceanothus tomentosus var. olivaceus E. Lee Overholtzer 1961-3-12 131 Riverside Santa Ana Mts. On skyline Drive 2 miles west from Kremer Ranch. Mouth of Tin Mine Canyon. Comment
  RSA5269  Ceanothus tomentosus var. olivaceus Carl B. Wolf, B. D. Stark 1932-12-19 4436 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  CAS-BOT-BC184957  Cenchrus longispinus John Thomas Howell 1927-7-18 2795 Orange Santa Ana River bottom, Santa Ana Canon [Canyon]. 152 Comment
  UCD130056  Centaurea melitensis E. W. Lathrop 1966-3-23 6518 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive. 1219 Comment
  CAS-BOT-BC400156  Ceratophyllum demersum John Thomas Howell 1927-8-13 2987 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC142123  Cercocarpus betuloides James R. Shevock 1978-4-26 5893 Orange On the divide road, FS 3S04, between Beeks Place and Sierra Peak - Santa Ana Mountains, Cleveland National Forest 1097 Comment
  RSA160536  Cercocarpus betuloides J. D. Olmsted 1959-4-12 372 Riverside From Hwy thru W Corona turn S for 1 miles on Lincoln, turn W for 1/2 miles on Chase, then S at wash on Oak Flat fire road for 2-3 miles, Santa Ana Mtns. N to Santa Ana River. 701 Comment
  RSA5286  Cercocarpus betuloides Carl B. Wolf, B. D. Stark 1932-12-19 s.n. Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA5338  Cercocarpus betuloides B. D. Stark 1933-1-4 s.n. Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 229 Comment
  RSA660285  Cercocarpus betuloides Orlando Mistretta 1992-6-2 452 Orange Vicinity of Sierra Peak. (Historical Locality). On old roadcut heading down to power lines at 2280'. Comment
  UCR270749  Cercocarpus betuloides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8356 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CAS-BOT-BC142122  Cercocarpus betuloides var. betuloides John Thomas Howell 1927-6-26 2612 Orange Claymine Canyon, n. Santa Ana Mts. 243 Comment
  CAS-BOT-BC142124  Cercocarpus betuloides var. betuloides E. R. Johnson 1929-4-11 1261 Orange Sierra Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC402200  Cercocarpus betuloides var. betuloides R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49704 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  JEPS45547  Cercocarpus betuloides var. betuloides John Thomas Howell 1927-6-26 2612 Orange Santa Ana Mountains, Claymine Canyon Claymine Canyon; Santa Ana Mountains, Claymine Canyon 243 Comment
  RSA787496  Cercocarpus betuloides var. betuloides Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49704 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  SBBG2894  Cercocarpus betuloides var. betuloides H. and M. Dearing 1937-3-12 Orange Santa Ana Cyn Comment
  RSA443827  Chaenactis artemisiifolia Gordon Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Coal Canyon; W slope of main canyon near center of acreage Comment
  OBI23668  Chaenactis glabriuscula var. glabriuscula David J. Keil, Malcolm Mcleod 1977-3-26 12004 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM122612  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-3-10 s.n. Orange Near Santa Ana Canyon. Comment
  RSA794564  Chamaecytisus prolifer Justin M. Wood 2010-3-31 1452 Orange Santa Ana Canyon: Chino Hills State Park property just west of Green River Golf Course on bluff south of the river. 131 Comment
  POM201683  Chamaesyce albomarginata L. M. Booth 822 Riverside Hard roadside. Comment
  RSA648946  Chamaesyce albomarginata Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 62 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
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Jan 1 2015
  RSA731952  Chenopodium ambrosioides Fred M. Roberts 2007-12-12 6706 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM319738  Chenopodium berlandieri Patricia Wilder 1970-10-15 4791 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  RSA791869  Chenopodium berlandieri var. sinuatum R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49647 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  POM319739  Chenopodium rubrum Patricia Wilder 1970-10-15 4783 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR126795  Chorizanthe polygonoides var. longispina Kristin Szabo 2001-5-29 s.n. Orange Santa Ana Mountains, Gypsum Canyon within boundary of Mountain Park project Comment
  RSA736762  Chrysanthemum coronarium Scott D. White, Lynn Stafford 2007-7-5 11754 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  IRVC19481  Chrysothamnus nauseosus Karlin G. Marsh 1982-7-27 Orange Coal Canyon, west slope at mouth of canyon; in grassland. Santa Ana Mountains Comment
  CAS-BOT-BC280089  Cirsium occidentale var. californicum John Thomas Howell 1927-6-26 2593 Orange Claymine Canon [Canyon], n. Santa Ana Mts. 243 Comment
  RSA821  Cirsium occidentale var. californicum J. T. Howell 1927-6-26 212 Orange Claymine Canon near Sierra Peak. [canyon] 244 Comment
  SEINET3146317  Cirsium occidentale var. californicum W. B. Crockatt sn Riverside Prado 91 Comment
  SEINET3146341  Cirsium occidentale var. coulteri W. B. Crockatt sn Riverside Prado 91 Comment
  RSA263657  Cirsium occidentale var. occidentale E. W. Lathrop 1977-4-13 7605 Riverside 4 miles West of Corona between Tin Mine and Santiago Peak, Skyline Drive. Coal canyon at the base of Sierra Peak in the Santa Ana Canyon. Comment
  POM320504  Cirsium vulgare Patricia Wilder 1970-10-30 4831 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  CAS-BOT-BC172425  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana Canyon, 8 miles west of Prado 400 Comment
  POM153234  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana canyon, 8 miles west of Prado. 400 Comment
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  UCSB22195  Clarkia bottae Hitchcock, C. 1928-5-20 Riverside Santa Ana Canyon; 8 miles west of Prado 400 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  UCR3194  Clarkia deflexa Chuck Elliott 1964-5-15 s.n. Orange 0.25 mi [west of] past [Riverside] county line on Hwy 91 toward beach into Orange County 244 Comment
  CAS-BOT-BC164316  Clarkia delicata Earl W. Lathrop 1989-5-10 s.n. Riverside Tin Mine Cyn. 4 miles SW Corona Comment
  UCR65511  Clarkia delicata E. W. Lathrop 1989-5-10 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 4 mi. SW of Corona. Comment
  RSA493805  Clarkia dudleyana Jeri Hirshberg 1988-6-2 s.n. Orange Upper Gypsum Canyon. 274 Comment
  RSA505480  Clarkia dudleyana E. W. Lathrop 1989-5-10 s.n. Riverside 4 miles SW of Corona, West slope of Tin Mine Canyon. Comment
  UCR251871  Clarkia dudleyana M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CAS-BOT-BC163890  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1927-6-5 2426 San Bernardino Aliso [Canon] Canyon, southern Puente Hills 228 Comment
  RSA499  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1927-6-5 30 San Bernardino Aliso Canyon, Rancho Santa Ana. 152 Comment
  RSA768245  Clarkia purpurea subsp. quadrivulnera Justin M. Wood 2010-5-19 1842 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SD90170  Clarkia purpurea subsp. quadrivulnera Benjamin C. Stone 1953-5-1 323 Orange Chaparral openings, on slopes above Coal Creek Canyon, Santa Ana Mountains. 1219 Comment
  RSA117664  Claytonia perfoliata subsp. perfoliata S. S. Tillett 1956-4-8 428 Riverside At intersection of US 91 and Cal 71, SW of overpass. Comment
  RSA281  Claytonia perfoliata subsp. perfoliata J. T. Howell 1928-3-18 884 San Bernardino Aliso Canon, Rancho Santa Ana. [Orange County] 229 Comment
  CAS-BOT-BC402194  Clematis lasiantha R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  OBI30244  Clematis lasiantha C. L. Weidert 1966-2-9 6 -Jan Riverside Santa Ana cyn 200 yds E of Orange-Riverside county line, across from Green river Golf course Comment
  RSA192753  Clematis lasiantha J. D. Olmsted 1959-4-12 367 Riverside W Corona; Chase Drive, turn right to wash, 2-3 mi. up wash road in Santa Ana Mountains. 762 Comment
  RSA221081  Clematis lasiantha E. W. Lathrop 1966-4-28 6220 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  UC1125960  Clematis lasiantha H. E. Norton 1931-3-3 32 Orange 1 mi. s. Sierra Peak; Corona Quad. Comment
  UC2042140  Clematis lasiantha R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  UCD169739  Clematis lasiantha R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  UCSB9460  Clematis lasiantha Lloyd, Robert 1959-4-17 Riverside 4 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range 381 Comment
  CAS-BOT-BC92555  Clematis ligusticifolia John Thomas Howell 1927-8-13 2984 Orange Santa Ana River bottom. Santa Ana Canon [Canyon]. 152 Comment
  POM88657  Collinsia heterophylla Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA736756  Conium maculatum Scott D. White, Lynn Stafford 2007-6-27 11748 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC520002  Conium maculatum Joseph Andorfer Ewan 1932-7-9 7493 Riverside 1 mi n of Rincon (in Chico Creek at Santa Ana River); Santa Ana River, Chico Creek Comment
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Nov 6 2011
  SD52458  Convolvulus arvensis Skip Stone Oct 1952 234 San Bernardino 3.0 miles south of California Institution for Men, near Chino. 245 Comment
  POM318626  Conyza canadensis Patricia Wilder 1970-10-15 4793 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  POM319726  Conyza canadensis Patricia Wilder 1970-10-30 4822 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  IRVC22979  Conyza coulteri Karlin G. Marsh 1986-12-8 none Orange Yorba Linda; Santa Ana Canyon, Santa Ana River, Featherly Park. Santa Ana Mountains Comment
  JEPS6777  Cordylanthus rigidus subsp. setiger John Thomas Howell 1927-6-26 2599 Orange Claymine Canyon Santa Ana Mts 365 Comment
  RSA712  Cordylanthus rigidus subsp. setiger J. T. Howell 1927-6-26 218 Orange Claymine Canyon near Sierra Peak 366 Comment
  CAS-BOT-BC287839  Coreopsis californica P. A. Munz No date on label 3814 Orange Santa Ana River Canyon, near RIncon 304 Comment
  POM8714  Coreopsis californica P. A. Munz 1920-4-11 3814 San Bernardino Santa Ana River Canyon near Rincon 305 Comment
  CAS-BOT-BC101294  Corethrogyne filaginifolia John Thomas Howell 1927-9-24 3106 Orange on n. s. of Santa Ana [Canon] Canyon 152 Comment
  UCR72464  Cosmos bipinnatus Michael A. Patten 1992-5-27 92- 15 Riverside Green River Golf Club, near San Bernardino and Orange county lines 131 Comment
  HSC5419  Cotula australis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23067 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  UC1292312  Cotula australis C. L. Hitchcock and C. V. Muhlick 1964-3-17 23067 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  UCR4049  Cotula coronopifolia Carole Sims 1965-3-25 s.n. Riverside Santa Ana River Valley, Sandy south bank of Green River in area c. 100 yds east of Green River Shell Service Station, just before the Orange Co line of Riverside Fwy (91) 213 Comment
  UC11287  Crassula connata var. erectoides W. H. Brewer 1861-1-29 143 Riverside Temescal Mtns Comment
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Aug 19 2010
  UCD169755  Crocanthemum aldersonii R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49679 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  SD90190  Crocanthemum scoparium var. vulgare Benjamin C. Stone 1953-5-1 325 Los Angeles Above Coal Creek Canyon, Santa Ana Mountains. 1220 Comment
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Aug 6 2015
  RSA794326  Croton californicus Justin M. Wood 2010-3-31 1443 Orange Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  POM319712  Croton californicus var. mohavensis Patricia Wilder 1971-5-13 4938 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain. 152 Comment
  RSA800670  Crypsis schoenoides Justin M. Wood 2010-9-29 2751 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  RSA747281  Cryptantha intermedia Orlando Mistretta 1992-6-10 522 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR16163  Cryptantha microstachys I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  OBI19347  Cupressus arizonica Carl B. Wolf 1935-1-2 6279 Orange Santa Ana Mts, slopes of Sierra Peak, W of Claymine cyn along road to peak 671 Comment
  CAS-BOT-BC80567  Cupressus forbesii L. R. Abrams 1933-10-8 13653 Orange Clay Mine Canyon, Santa Ana Mts. 304 Comment
  CAS-BOT-BC80569  Cupressus forbesii W. M. Prince 1922-3-10 s.n. Orange Base of Santa Ana Mtns, So side of Santa Ana River Comment
  CAS-BOT-BC80571  Cupressus forbesii James R. Shevock 1976-10-28 5347 Orange off of Sierra Peak, FS road 3S04 - Santa Ana Mountains, Cleveland National Forest 883 Comment
  CAS-BOT-BC80573  Cupressus forbesii John Thomas Howell 1927-6-26 2607 Orange at head of [Claymine Canon] Clay Mine Canyon, n. Santa Ana Mts. 701 Comment
  CAS-BOT-BC80575  Cupressus forbesii John Thomas Howell 1927-8-10 2983 A Orange upper [Claymine] Clay Mine Canyon, n. Santa Ana Mts. 609 Comment
  CAS-BOT-BC80576  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Santa Ana Mts., slopes of Sierra Peak, W. of [Claymine] Clay Mine Canyon along road to peak 670 Comment
  HSC99971  Cupressus forbesii Michael Kauffmann 2011-5-28 15 Riverside Just North of Sierra Peak Comment
  IRVC19540  Cupressus forbesii Karlin G. Marsh 1982-7-30 Orange Coal Canyon, west slope, at Claymont Clay Mine. Santa Ana Mountains Comment
  JEPS19314  Cupressus forbesii John Thomas Howell 1927-6-26 2607 Orange just to west Sierra Peak; Santa Ana Mts. 701 Comment
  JEPS19317  Cupressus forbesii John Thomas Howell 1927-8-10 2983 A Orange w of Sierra Peak (at head of Claymine Canon); Santa Ana Mts., Claymine Canon 609 Comment
  JEPS39796  Cupressus forbesii John Thomas Howell 1927-8-10 2983 a Orange Claymire Canyon Santa Ana Mts., Sierra Peak, Claymire Canyon 609 Comment
  JEPS46558  Cupressus forbesii John Thomas Howell 1927-1-1 Orange near Sierra Peak; Santa Ana Mountains 701 Comment
  POM316846  Cupressus forbesii Charles Fitch 1967-4-19 s.n. Orange North portion of the Santa Ana Mountains. Just north of Cleveland Nat. Forest. Comment
  RSA14145  Cupressus forbesii R. C. Bacigalupi 1935-6-22 2354 Orange Head of Clay Mine Canyon on drainage of Santa Ana River, northern end of Santa Ana Mountains Comment
  RSA17651  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Slopes of Sierra Peak, west of Claymine Canyon, along road to Peak. 670 Comment
  RSA17652  Cupressus forbesii C. B. Wolf 1935-1-2 6279 Orange Slopes of Sierra Peak, west of Claymine Canyon, along road to Peak. 670 Comment
  RSA262123  Cupressus forbesii E. W. Lathrop 1976-11-17 7406 Orange 4 miles west of Corona in Gypsum Canyon. North slope of Sierra Peak. 609 Comment
  RSA2918  Cupressus forbesii B. D. Stark 1931-6-10 2247 Orange Claymine Canyon, north end of Santa Ana Mts. 198 Comment
  RSA352379  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Slopes of Sierra Peak, west of Claymine Canyon, along road to Peak. 670 Comment
  RSA352380  Cupressus forbesii C. B. Wolf 1935-1-2 6279 Orange Slopes of Sierra Peak, west of Claymine Canyon, along road to Peak. 670 Comment
  RSA644959  Cupressus forbesii Richard E. Riefner 2000-1-18 20 -101 Orange NCCP North Ranch Policy Plan Area: Main Divide Road; top of Gypsum Canyon. 518 Comment
  RSA7112  Cupressus forbesii B. D. Stark 1933-3-17 4532 Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA713906  Cupressus forbesii Richard E. Riefner 2005-4-15 5 -202 Orange Santa Ana Mountains, Gypsum Canyon, S end of Gypsum Canyon Rd., S of 91-Freeway. 160 Comment
  RSA7199  Cupressus forbesii B. D. Stark 1933-3-17 4532 Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA7200  Cupressus forbesii B. D. Stark 1933-3-17 4532 -D Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA7201  Cupressus forbesii B. D. Stark 1933-3-17 4532 -C Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA7202  Cupressus forbesii B. D. Stark 1933-3-17 4532 -B Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA7203  Cupressus forbesii B. D. Stark 1933-1 4532 Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA7204  Cupressus forbesii B. D. Stark 1933-3-17 4532 -G Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  RSA85825  Cupressus forbesii F. W. Peirson 1922-5-28 3058 Riverside Canyon floor in canyon east from Santa Ana River Canyon. at 400 ft. 121 Comment
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Feb 28 2013
  UC1134210  Cupressus forbesii A. Lewis 1934-4-1 382 Orange 2 1/2 mi w Sierra Peak; Corona Quadrangle Comment
  UC1281345  Cupressus forbesii H. E. McMinn 1935-6-22 3926 Orange at head Clay Mine Canyon (n end of Santa Ana Mts.); Santa Ana Mts., Clay Mine Canyon Comment
  UC1445981  Cupressus forbesii J. T. Howell 1927-8-10 2983 a Orange Clay Mine branch of Santa Ana Canyon Sierra Peak Comment
  UCD133487  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Santa Ana Mts., slopes of Sierra Peak, W. of Claymine Canyon along road to peak. 670 Comment
  UCR112935  Cupressus forbesii R. E. Riefner Jr. 2000-1-18 20- 101 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon at Windy Ridge 518 Comment
  UCR119297  Cupressus forbesii R. E. Riefner Jr. 2000-1-18 20- 101 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon at Windy Ridge 518 Comment
  UCR124168  Cupressus forbesii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UCR15234  Cupressus forbesii E. W. Lathrop 1976-11-17 7406 Orange Santa Ana Mtns., 4 mi west of Corona in Gypsum Canyon on the N slope of Sierra Peak. 610 Comment
  UCR187357  Cupressus forbesii R. E. Riefner Jr. 2005-4-15 05- 202 Orange Peninsular Range; Santa Ana Mtns., Gypsum Canyon, south end of Gypsum Canyon Rd., south of 91 Freeway 160 Comment
  UCR231193  Cupressus forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  A357954  Cupressus guadalupensis subsp. forbesii R. C. Bacigalupi 1935-6-22 2354 Unknown Head of Clay Mine Canyon on drainage of Santa Ana River, northern end of Santa Ana Mts., Orange County Comment
  A357958  Cupressus guadalupensis subsp. forbesii C. B. Wolf 1935-1-2 6279 Unknown Santa Ana Mts., slopes of Sierra Peak, W. of Claymine Canyon along road to peak 670 Comment
  A357959  Cupressus guadalupensis subsp. forbesii C. B. Wolf 1935-1-2 6278 Unknown Santa Ana Mts., slopes of Sierra Peak, W. of Claymine Canyon along road to peak 670 Comment
  GH357953  Cupressus guadalupensis subsp. forbesii J. T. Howell 1927-8-10 2983 A Unknown On steep rocky slope at head of Sierra Peak, in the the Santa Ana Mts. 609 Comment
  CAS-BOT-BC80681  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange Santa Ana Mts., slopes of Sierra Peak, W. of [Claymine] Clay Mine Canyon along road to peak 670 Comment
  NY16664  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16665  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16670  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16673  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6278 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16674  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6278 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16675  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6278 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16679  Cupressus guadalupensis var. forbesii L. Abrams 1933-10-8 13653 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM319696  Cuscuta californica Patricia Wilder 1971-5-13 4972 Riverside Prado Flood Control Basin at top of Prado Dam on west end, Drainage area Santa Ana River, Flood Plain. 229 Comment
  RSA648945  Cuscuta californica Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 74 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  POM158190  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1928-9-6 11275 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  LA210111  Cuscuta subinclusa Joseph Andorfer Ewan; 1932-7-9 7497 Riverside Santa Ana River at jct. with Chino Creek Comment
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  UC520001  Cuscuta subinclusa Joseph Andorfer Ewan 1932-7-9 7497 Riverside Santa Ana River at Chino Creek; Santa Ana River Comment
  UCR207985  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
  CAS-BOT-BC190296  Cynodon dactylon John Thomas Howell 1927-7-27 2849 Orange Santa Ana River bottom, Santa Ana Canon [Canyon]. 152 Comment
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR189292  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM158184  Cyperus eragrostis Phillip A. Munz, I. M. Johnston 1928-9-6 11269 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM228970  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC520019  Cyperus eragrostis Joseph Andorfer Ewan 1932-7-9 7985 Orange 4 mi. below Rincon; Santa Ana River Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  POM319412  Cyperus erythrorhizos Patricia Wilder 1970-10-15 4810 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR188894  Cyperus erythrorhizos Fred M. Roberts, S. Leatherman 2007-9-19 6588 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA577533  Cyperus laevigatus L. C. Wheeler 1932-9-4 1325 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA577786  Cyperus niger var. capitatus L. C. Wheeler 1932-9-4 1332 Riverside Santa Ana River at Chino Creek. 152 Comment
  CDA38903  Cyperus odoratus T. C. Fuller 1961-10-18 7161 Riverside Santa Ana River Canyon at Green River Golf Course, Highway 91. 0 Comment
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  RSA577532  Cyperus odoratus L. C. Wheeler 1932-9-4 1334 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA794756  Cyperus odoratus Justin M. Wood 2010-9-29 2748 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  RSA800666  Cyperus odoratus Justin M. Wood 2010-9-29 2744 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  RSA800673  Cyperus odoratus Justin M. Wood 2010-9-29 2748 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UC1930198  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR188896  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6589 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR189290  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6595 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199671  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR240181  Cyperus retrorsus R. E. Riefner Jr. 2005-11-23 05- 780 Riverside city of Corona, Santa Ana Canyon, below Prado Dam, Santa Ana River c. 0.5 mi southwest of 71 Fwy 135 Comment
  RSA0014612  Dactylis glomerata Justin M. Wood 2010-5-12 1682 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA158233  Datura wrightii David P. Gregory 1961-6-6 469 Riverside Growing along a back road through an orange grove near the Santa Ana River west of Prado Dam. Comment
  RSA647957  Datura wrightii Mark Breidenbaugh, Caralisa Breidenbaush 1992-5-1 15 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  UC1234726  Datura wrightii David P. Gregory 1961-6-6 469 Riverside near the Santa Ana River w Prado Dam; near the Santa Ana River, w of Prado Dam Comment
  CAS-BOT-BC293826  Deinandra fasciculata P. A. Munz 1919-5-3 2642 Riverside Santa Ana Mountains Comment
  RSA747276  Deinandra fasciculata Orlando Mistretta 1992-6-10 513 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA784310  Deinandra fasciculata J. D. Olmsted 1959-8-26 842 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  UCSB37786  Deinandra fasciculata Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  CAS-BOT-BC9095  Delphinium cardinale John Thomas Howell 1927-7-26 2837 Orange SE fork of Claymine Canyon, northern Santa Ana Mtns. 304 Comment
  RSA298  Delphinium cardinale J. T. Howell 1927-7-26 s.n. Orange Claymine Canyon near Sierra Peak. 244 Comment
  RSA444458  Delphinium cardinale J. C. Roos 1965-6-19 s.n. Riverside Hagador Canyon: Skyline Drive south of Corona. Comment
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May 21 2011
  UCR18913  Delphinium cardinale John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA48922  Delphinium parryi P. A. Munz 1949-5-26 13381 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA747112  Dendromecon Orlando Mistretta 1992-6-10 531 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  OBI11830  Dendromecon rigida Tracey & Viola Call, Viola Call 1962-4-13 2133 Riverside Tin Mine Cyn, ridge above skyline dr 732 Comment
  OBI32751  Dendromecon rigida E. W. Lathrop 1966-3-23 6090 Riverside 4 mi W of Corona between Tin Mine cyn and Santiago Peak, Skyline Dr 610 Comment
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
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Nov 27 2011
  UCR16439  Dendromecon rigida Frederick Neill 1977-5-28 52803 Riverside Santa Ana Mountains, 3.25 mi up Skyline Dr. from Corona Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA221050  Dendromecon rigida subsp. rigida E. W. Lathrop 1966-3-23 6090 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  RSA5336  Dendromecon rigida subsp. rigida B. D. Stark 1933-1-4 4488 Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA5408  Dendromecon rigida subsp. rigida Carl B. Wolf 1932-12-19 4442 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA790667  Dendromecon rigida subsp. rigida Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49702 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA263755  Dicentra chrysantha E. W. Lathrop 1973-04 6884 Riverside 4 miles betw. Tin Mine Canyon and Santiago Peak, Skyline Drive 732 Comment
  RSA696601  Dicentra chrysantha Keith E. Hoffmaster 1934-4-8 143 Riverside Santa Ana Mts. Comment
  RSA162722  Dicentra ochroleuca John Olmsted 1958-6-10 158 Riverside 7.5 miles SW of Corona on Oak Flat Fire Road (turn S in corona from US onto Lincoln, Santa Ana Mtns, Santa Ana River. 793 Comment
  RSA23620  Dicentra ochroleuca Percy C. Everett 1938-10-11 9464 Orange Santa Ana Mts, Tin Mine Canyon, Skyline Drive, 1/2 mile below summit. 915 Comment
  RSA433600B  Dicentra ochroleuca Freda Detmers 1931-6-19 s.n. Orange Santa Ana Valley. Comment
  RSA794327  Dicentra ochroleuca Justin M. Wood 2010-3-31 1444 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCR141685  Dicentra ochroleuca June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR734  Dicentra ochroleuca Joyce Davis 1965-5-14 62 Riverside Santa Ana Mtns, c. 7 mi. south of Corona, c. 15 ft. above Skyline Drive 518 Comment
  RSA263742  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1968-5-17 6890 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  SD251157  Diplachne fusca var. fascicularis Justin M. Wood 2010-9-29 2740 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. (Black Star Canyon ) 128 Comment
  UCR72465  Diplotaxis tenuifolia Michael A. Patten 1992-5-27 92- 20 Riverside Green River Golf Club, near San Bernardino and Orange county lines 131 Comment
  CAS-BOT-BC159593  Drymocallis glandulosa var. glandulosa John Thomas Howell 1927-6-24 2580 San Bernardino Aliso Canyon, southern Puente Hills near Santa Ana Canyon 274 Comment
  CAS-BOT-BC70832  Dryopteris arguta John Thomas Howell 1927-6-24 2578 San Bernardino Aliso Canyon, southern Puente Hills, near Santa Ana Canyon 274 Comment
  RSA3  Dryopteris arguta J. T. Howell 1927-6-24 200 San Bernardino Aliso Canyon, Rancho Santa Ana. 274 Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR251865  Dryopteris arguta M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR218179  Dudleya cymosa Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2222 Orange Peninsular Range; Santa Ana Mtns., north end of the mountains above Green River Golf Course, very near the Riverside Co. line 540 Comment
  CAS-BOT-BC411404  Dudleya lanceolata John Thomas Howell 1927-7-3 2637 Orange Claymine Canyon, Santa Ana Mts. 304 Comment
  JEPS49887  Dudleya lanceolata John Thomas Howell 1927-7-3 2637 Orange Claymine Canyon Santa Ana Mtns Comment
  RSA262076  Dudleya lanceolata E. W. Lathrop 1966-5-17 6526 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  RSA660284  Dudleya multicaulis Orlando Mistretta 1992-6-6 415 Orange Vicinity of Sierra Peak, (Historical locality), on old roadcut heading down to powerlines 695 Comment
  UCR5884  Dudleya multicaulis Charles Prentiss 1966-5-10 s.n. Riverside Santa Ana Canyon, 300 yards south of Riverside - Newport Freeway, 1 mi. east of Orange County line. Comment
  JEPS49919  Dudleya pulverulenta John Thomas Howell 1927-7-26 2840 Orange Claymine Canyon Santa Ana Mtns Comment
  CAS-BOT-BC197179  Echinochloa crus-galli John Thomas Howell 1927-7-18 2793 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  RSA0035484  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Prado wetlands near Corona 155 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR189543  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR242708  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Santa Ana River Basin, Prado wetlands near Corona 155 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
  RSA736759  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA800668  Eclipta prostrata Justin M. Wood 2010-9-29 2753 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UCR189551  Eclipta prostrata Fred M. Roberts, S. Leatherman 2007-9-19 6578 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  UCSB6995  Ehrendorferia ochroleuca Lloyd, Robert 1959-4-17 Riverside 3 mi. south of West Corona on the Oak Flat Fire Road, Santa Ana Mtn. range 335 Comment
  SEINET3127287  Eleocharis macrostachya W. B. Crockatt sn Riverside Prado 91 Comment
  POM158186  Eleocharis montevidensis var. montevidensis Phillip A. Munz, I. M. Johnston 1928-9-6 11271 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM319701  Eleocharis montevidensis var. montevidensis Patricia Wilder 1979-10-30 4834 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. East of Chino Hills. Santa Ana River Drainage Area. 152 Comment
  RSA768246  Eleocharis palustris Justin M. Wood 2010-5-19 1844 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA699627  Ellisia chrysanthemifolia Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA221007  Emmenanthe penduliflora E. W. Lathrop 1966-3-23 6081 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  CAS-BOT-BC131228  Encelia californica P. A. Munz 1920-4-11 3816 Orange Santa Ana River [Canon] Canyon near Rincon 304 Comment
  GH414437  Encelia californica C. L. Hitchcock & C. V. Muhlick 1964-3-17 23069 Unknown 8 miles e. of Yorba Linda, Santa ana Canyon Comment
  HSC5477  Encelia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23069 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  OBI8196  Encelia californica David J. Keil, Malcolm McLeod 1977-3-26 12001 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM356655  Encelia californica E. Crow 1929-2-22 162 Orange Gypsum Canyon, Snata Ana Mts, S of Corona Comment
  POM8711  Encelia californica P. A. Munz, R. D. Harwood 1920-4-11 3816 San Bernardino Santa Ana River Canyon near Rincon 305 Comment
  RSA221019  Encelia californica E. W. Lathrop 1966-3-23 6082 Orange Skyline Drive between Tin Mine Canyon and Black Star Canyon, 6 miles W of Corona, Santa Ana Mts. 427 Comment
  RSA647887  Encelia californica Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 61 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  UCD131281  Encelia californica E. W. Lathrop 1966-3-30 6082 Riverside Skyline Drive between Tin Mine Canyon and Black Star Canyon. 6 miles west of Corona, Santa Ana Mountains. 426 Comment
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Jun 16 2013
  UCR270315  Encelia californica T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8341 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  CAS-BOT-BC166350  Epilobium canum subsp. canum John Thomas Howell 1927-7-26 2842 Orange SE. fork of Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  RSA511  Epilobium canum subsp. canum J. T. Howell 1927-7-26 480 Orange Claymine Canon near Sierra Peak. 244 Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM158194  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1928-9-6 11277 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA263734  Epipactis gigantea E. W. Lathrop 1968-5-12 6854 Riverside 4 miles W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive 305 Comment
  RSA639601  Equisetum arvense L. C. Wheeler 1932-7-9 926 Riverside Santa Ana River at Chino Creek 145 Comment
  CAS-BOT-BC57247  Equisetum laevigatum Louis C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  CAS-BOT-BC57248  Equisetum laevigatum Louis C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  CAS-BOT-BC57385  Equisetum laevigatum Crawford; Johnston 1917-6-9 1216 Orange Santa Ana River near Corona Comment
  MACF015740  Equisetum laevigatum Louis C. Wheeler 1932-7-9 11251 Riverside Santa Ana River at Chino Creek 182 Comment
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Jul 22 2015
  RSA612753  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  RSA639350  Equisetum laevigatum L. C. Wheeler 1933-5-28 1864 Riverside Santa Ana River at Chino Creek. Comment
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  POM201787  Eragrostis mexicana subsp. virescens L. M. Booth 825 Riverside Hard roadside. Comment
  GH355730  Eragrostis pectinacea P. A. Munz & I. M. Johnston 1928-9-6 11286 Unknown Riverside, near Santa Ana River, Riverside County, Corona - Ontario road Comment
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Dec 21 2019
  RSA421560  Eremocarpus setiger Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  CAS-BOT-BC187932  Eriastrum densifolium subsp. sanctorum John Thomas Howell 1927-8-13 2985 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  UC23533  Eriastrum densifolium subsp. sanctorum S. B. and W. F. Parish July, 1886 Orange Santa Ana Riv. Comment
  GH417373  Ericameria palmeri P. A. Munz 1935-10-21 14655 Unknown Near Rincon, south west San Bernardino County Comment
  CAS-BOT-BC294339  Ericameria palmeri var. pachylepis Philip A. Munz 1935-10-21 14655 San Bernardino Near Rincon, South West San Bernardino County Comment
  CAS-BOT-BC294341  Ericameria palmeri var. pachylepis Philip A. Munz 1935-10-21 14655 San Bernardino Near Rincon, South West San Bernardino County Comment
  CAS-BOT-BC294346  Ericameria palmeri var. pachylepis Philip A. Munz 1935-10-21 14655 San Bernardino Near Rincon, South West San Bernardino County Comment
  CDA4604  Ericameria palmeri var. pachylepis T. C. Fuller 1961-10-18 7159 Riverside Santa Ana River Canyon, Green River Station, 0.5 mile west of Prado Dam Road, on Highway 91. 0 Comment
  GH417372  Ericameria palmeri var. pachylepis P. A. Munz & I. M. Johnston 1928-9-6 11280 Unknown near Santa Ana River, Ontario Corona road Comment
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Dec 21 2019
  POM158197  Ericameria palmeri var. pachylepis P. A. Munz, I. M. Johnston 1928-9-6 11280 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM318593  Ericameria palmeri var. pachylepis Patricia Wilder 1970-10-15 4799 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  UC1007144  Ericameria palmeri var. pachylepis Philip A. Munz 1935-10-21 14655 San Bernardino low dry slopes near Rincon; southwest San Bernardino County Comment
  UC582824  Ericameria palmeri var. pachylepis Philip A. Munz 1935-10-21 14655 San Bernardino near Rincon (sw San Bernardino County) Comment
  CLARK-A1528-1824  Erigeron foliosus John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  RSA450424  Erigeron foliosus J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UCR251864  Erigeron foliosus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR270317  Erigeron foliosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8343 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCSB37926  Erigeron foliosus Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  UCR215289  Erigeron foliosus var. foliosus Fred M. Roberts, D. E. Bramlet 2008-5-13 6956 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  RSA443826  Erigeron foliosus var. stenophyllus Gordon Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Coal Canyon, Santa Ana Mts. 152 Comment
  CAS-BOT-BC189071  Eriodictyon crassifolium John Thomas Howell 1927-6-26 2614 Orange Claymine Canon [Canyon], N Santa Ana Mountains Comment
  CAS-BOT-BC402191  Eriodictyon crassifolium R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49682 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  POM12994A  Eriodictyon crassifolium P. A. Munz, I. M. Johnston 1921-5-18 5316 Orange Santa Ana River Canyon. 244 Comment
  RSA611A  Eriodictyon crassifolium J. T. Howell 1927-6-26 233 Orange Claymine Canyon near Sierra Peak 213 Comment
  RSA696347  Eriodictyon crassifolium Kenneth Beard 1934-03 s.n. Riverside Corona Sky-line drive Comment
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Oct 31 2011
  SD70811  Eriodictyon crassifolium Lucille Kempers 1953-5-1 39 Orange Coal Canyon 395 Comment
  SJSU8878  Eriodictyon crassifolium H. E. McMinn 1935-6-22 3929 Orange Ridge above Clay Mine Canyon, N end of Santa Ana Mts Comment
  UCD169761  Eriodictyon crassifolium R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49682 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  UCR910  Eriodictyon crassifolium R. G. Sullivan 1972-4-16 720416- 4 Orange Santa Ana River Channel, river bottom near Coal Canyon Road 122 Comment
  UCSB9448  Eriodictyon crassifolium Lloyd, Robert 1959-4-17 Riverside 3 miles south of West Corona on the Oak Flat Fire Road; Santa Ana Mt. Range; Pacific Ocean drainage area 335 Comment
  UCR213  Eriodictyon crassifolium var. crassifolium K. S. Gill 1965-4-16 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon at the foot of Skyline Drive, south of Corona 459 Comment
  UCR251891  Eriodictyon crassifolium var. crassifolium M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR270758  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8344 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  VVC255  Eriodictyon crassifolium var. nigrescens P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  UCD119319  Eriodictyon trichocalyx Raymond A. Evans 1949-4-28 s.n. Orange Mouth of Santa Ana Canyon, near Orange. Comment
  RSA784543  Eriogonum J. D. Olmsted 1959-9-22 s.n. Riverside Santa Ana Mts. to south, Drainage area to Pacific Ocean: Tributary from south into Santa Ana Can. at 3M clay workings [3M is a company]. North of Hwy 0.5 mi south of Santa Ana River. 8-10 mi SW of Corona. 131 Comment
  POM249977  Eriogonum davidsonii E. C. Jaeger 1939-8-9 s.n. Riverside Tin Mine Canyon. Comment
  A364086  Eriogonum fasciculatum M. E. Jones 1925-3-13 Unknown Santa Ana Canon Comment
  RSA0031722  Eriogonum fasciculatum Caralisa Breidenbaugh, Mark Breidenbaugh 1992-5-25 63 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  CAS-BOT-BC253216  Eriogonum fasciculatum var. fasciculatum John Thomas Howell 1927-7-24 2835 Orange Near mouth of Claymine Canyon, Santa Ana Canyon 152 Comment
  CAS-BOT-BC249944  Eriogonum fasciculatum var. foliolosum John Thomas Howell 1927-7-24 2835 Orange Santa Ana Canyon 152 Comment
  CAS-BOT-BC249947  Eriogonum fasciculatum var. foliolosum John Thomas Howell 1927-7-24 2836 Orange Near entrance to Claymine Canon [Canyon], Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  HSC17271  Eriogonum fasciculatum var. foliolosum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23062 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  POM319085  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-5-13 4951 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. 198 Comment
  POM319086  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-5-13 4950 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. 198 Comment
  UC1292577  Eriogonum fasciculatum var. foliolosum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23062 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  UC219156  Eriogonum fasciculatum var. foliolosum P. A. Munz, R. D. Harwood 1920-2-28 3257 Riverside 3 mi w Corona 335 Comment
  A364168  Eriogonum fasciculatum var. polifolium P. A. Munz & R. D. Harwood 1920-2-28 3257 Unknown Brim west of Corona 335 Comment
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Jun 11 2012
  RSA650850  Eriogonum fasciculatum var. polifolium Leo Kroonen 1949-1-2 s.n. Riverside South side north slope Kroonen Canyon, Corona. Comment
  CAS-BOT-BC253482  Eriogonum gracile John Thomas Howell 1927-7-24 2832 Orange Claymine Canyon, N. Santa Ana Mts. 152 Comment
  SBBG62100  Eriogonum gracile P. A. Munz 1928-9-6 11284 Riverside near Santa Ana River, Ontario to Corona Rd Comment
  POM158201  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-6 11284 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA230  Eriogonum gracile var. gracile J. T. Howell 1927-7-24 471 Orange Claymine Canyon near Sierra Peak. 183 Comment
  POM158196  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
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Dec 29 2009
  RSA601446  Eriogonum thurberi Louis C. Wheeler 1932-9-4 1323 Riverside Santa Ana River at Chino Creek. 152 Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  CAS-BOT-BC297329  Eriophyllum confertiflorum John Thomas Howell 1927-6-26 2592 Orange Claymine Canon, N Santa Ana Mts 243 Comment
  RSA850  Eriophyllum confertiflorum J. T. Howell 1927-6-26 211 Orange Claymine Canon near Sierra Peak. [canyon] 244 Comment
  UCR251868  Eriophyllum confertiflorum M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR270745  Eriophyllum confertiflorum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8359 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UC421696  Eriophyllum confertiflorum var. confertiflorum John Thomas Howell 1927-6-26 2592 Orange Claymine Canyon n. Santa Ana Mts., Claymine Canyon 243 Comment
  UC1130304  Erodium cicutarium A. Lewis 1934-3-3 341 San Bernardino San Juan Hills Corona Quad. 320 Comment
  CAS-BOT-BC403361  Eschscholzia californica P. A. Munz; R. D. Harwood 1920-2-28 3271 Riverside 3 mi west of Corona 304 Comment
  RSA221008  Eucrypta chrysanthemifolia E. W. Lathrop 1966-5-23 6088 Riverside 6 miles West of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA794330  Eucrypta chrysanthemifolia Justin M. Wood 2010-3-31 1447 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCSB38378  Eucrypta chrysanthemifolia Sims, Carole 1965-3-25 Riverside 100 yards east of Green River Shell Service almost to Orange County line on Riverside Freeway 213 Comment
  JEPS33692  Eulobus californicus John Thomas Howell 1927-6-26 2594 Orange Clyamine Canyon n. Santa Ana Mts. 304 Comment
  OBI8252  Eulobus californicus David J. Keil, Malcolm McLeod 1977-3-26 12008 -1 Riverside 0.2m I NW of Prado Dam on Calif 71 183 Comment
  SBBG55788  Eulobus californicus D. Keil, M. McLeod 1977-3-26 12008 -1 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  POM346910  Euphorbia crenulata Marcus E. Jones 1926-3-13 s.n Orange Santa Ana Canyon. Comment
  UCD142700  Euphorbia polycarpa Patricia Wilder 1971-5-13 4946 Riverside Chino Hills Mountain Range. Prado Flood Control Basin; along bank at east end of top of Prado Dam. 213 Comment
  RSA162836  Euphorbia polycarpa var. polycarpa J. D. Olmsted 1959-4-17 386 Riverside Riverside - San Bernardino County line along west side of Highway 71, 1/4 mile north of Prado Dam. 213 Comment
  RSA604410  Eustoma exaltatum Louis C. Wheeler 1932-9-4 1338 Riverside Santa Ana River at Chino Creek 183 Comment
  RSA612273  Eustoma exaltatum Louis C. Wheeler 1933-8-13 2078 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM320335  Euthamia occidentalis Patricia Wilder 1970-10-30 4827 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA606143  Euthamia occidentalis L. C. Wheeler 1932-9-4 1318 Riverside Santa Ana River at Chino Creek. 183 Comment
  SD122734  Euthamia occidentalis Patricia Wilder 1970-10-30 4841 Riverside East of Chino Hills, road on south side of Prado Flood Control Basin, east side of Prado Dam, ca. 0.5 miles east of Dam Tender's residence 149 Comment
  UCR207527  Festuca microstachys O. F. Clarke 2006-5-6 s.n. Orange Peninsular Range; Santa Ana Mtns., Coal Canyon 305 Comment
  RSA789585  Filago gallica R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49657 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  CAS-BOT-BC63073  Frangula californica subsp. californica John Thomas Howell 1927-6-26 2605 Orange Claymine Canyon, n. Santa Ana Mts. 457 Comment
  CAS-BOT-BC217643  Fraxinus dipetala Munz; Street; Williams 1919-5-3 2667 Orange Santa Ana River Canyon Comment
  CAS-BOT-BC217644  Fraxinus dipetala John Thomas Howell 1927-7-26 2844 Orange Claymine Canyon, n. Santa Ana Mts. 243 Comment
  CAS-BOT-BC217645  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon, Santa Ana Mts. Comment
  CAS-BOT-BC402193  Fraxinus dipetala R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  CLARK-A1528-1040  Fraxinus dipetala Joyce Davis 1965-3-16 12 Riverside Tin Mine Canyon 304 Comment
  LA50901  Fraxinus dipetala Joseph Andorfer Ewan; 1933-3-19 10897 Riverside Santa Ana Mountains, Tin Mine Canyon Comment
  RSA1068  Fraxinus dipetala J. T. Howell 1927-7-26 482 Orange Claymine Canyon near Sierra Peak. 213 Comment
  RSA1456  Fraxinus dipetala E. R. Johnson 1929-4-11 1257 Orange Sierra Peak Trail. Comment
  RSA221020  Fraxinus dipetala E. W. Lathrop 1966-3-23 6091 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA262074  Fraxinus dipetala E. W. Lathrop 1966-3-23 6076 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA464919  Fraxinus dipetala E. Crow 1929-4-7 287 Riverside East end of Corona Skyline Drive, Santa Ana Mts. Comment
  RSA5342  Fraxinus dipetala B. D. Stark, C. W. Tilforth 1933-1-4 4495 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA735358  Fraxinus dipetala Keith E. Hoffmaster 1934-4-8 155 /180 Riverside Santa Ana Mts. Comment
  UC1123366  Fraxinus dipetala R. St. John 1931-3-25 199 Riverside e of Sierra Peak; Corona Quad. 457 Comment
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Nov 27 2011
  UC723892  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon Santa Ana Mountains Comment
  UCR264473  Fraxinus dipetala S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1074 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR189289  Fraxinus uhdei Fred M. Roberts, S. Leatherman 2007-9-19 6594 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC211021  Fraxinus velutina J. Ewan 1931-10-3 517 Riverside Santa Ana River, 4 mi. N.W. of Corona Comment
  POM319081  Fraxinus velutina var. coriacea Patricia Wilder 1970-10-15 4804 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  POM3542  Fraxinus velutina var. coriacea I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River, NW of Corona. 183 Comment
  POM14269  Fritillaria biflora William M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  RSA1491  Fritillaria biflora E. R. Johnson 1929-4-11 s.n. Orange Sierra Peak Trail. Comment
  RSA565  Funastrum cynanchoides var. hartwegii J. T. Howell 1927-7-24 469 Orange Claymine Canyon, near Sierra Peak 152 Comment
  CLARK-A1528-827  Galium angustifolium I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  RSA647961  Galium angustifolium Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 28 Orange 1/2 mile south of Chino Hills State Park. 168 Comment
  UCR270316  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8342 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCR271515  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8357 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  POM319092  Galium angustifolium subsp. angustifolium Patricia Wilder 1971-5-13 4943 Riverside Prado Flood Control Basin; at top of Prado Dam on west end. 229 Comment
  RSA221062  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-3-23 6083 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1220 Comment
  RSA789601  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49652 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] Comment
  SD52383  Galium angustifolium subsp. angustifolium Benjamin C. Stone 1953-5-1 328 Orange Coal Creek Canyon of the Santa Ana Mountains 1219 Comment
  RSA647956  Galium aparine Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 32 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 244 Comment
  SBBG7296  Galium aparine H. and M. Dearing 1937-3-12 1861 Orange Santa Ana Cyn Comment
  RSA754  Galium aparine var. echinospermum J. T. Howell 1928-4-14 911 San Bernardino Aliso Canyon, Rancho Santa Ana. 229 Comment
  RSA752  Galium nuttallii J. T. Howell 1927-6-26 219 Orange Claymine Canyon near Sierra Peak 366 Comment
  CAS-BOT-BC223173  Galium nuttallii subsp. insulare John Thomas Howell 1927-6-26 2600 Orange Claymine Canon [Canyon], n. Snta Ana Mts. 365 Comment
  SEINET13297620 Image available Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8348 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR271514  Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8348 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CLARK-A1528-535  Garrya elliptica I. Rauch 1968-2-15 15 Riverside Santa Ana Mountains Comment
  CLARK-A1528-2935  Garrya flavescens John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  UC2042138  Garrya flavescens R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49700 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  UCSB42181  Garrya flavescens Roos, John 1966-4-23 Riverside Skyline Drive; Santa Ana Mtns; above Corona Comment
  UCSB4688  Garrya flavescens Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat from Corona side; Santa Ana Mtns; Pacific Slope 822 Comment
  CAS-BOT-BC402198  Garrya flavescens subsp. pallida R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49700 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA790669  Garrya flavescens subsp. pallida Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49700 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  POM230138  Garrya flavescens var. pallida Noel Wallace 1938-1-9 s.n. Riverside Base of Skyline Drive, Santa Ana Mts. Comment
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Sep 7 2011
  POM261680  Garrya flavescens var. pallida W. Pequegnat 1940-12-11 s.n. Riverside Skyline Drive, Santa Ana Mts. 762 Comment
  RSA5344  Garrya flavescens var. pallida B. D. Stark 1933-1-4 4497 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  CAS-BOT-BC278659  Gastridium phleoides John Thomas Howell 1927-6-24 2579 San Bernardino In Aliso Canon [Canyon], southern Puente Hills near the Santa Ana Canon [Canyon] 274 Comment
  RSA593765  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mountains, along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  UCR95323  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mtns., along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  RSA783530  Gilia J. D. Olmsted 1959-4-17 385 Riverside Riverside - San Bernardino County line along west side of Highway 71, 1/4 mile north of Prado Dam. 213 Comment
  RSA698350  Gilia multicaulis R. H. McArthur s.n. Orange Gypsum Canyon. Comment
  RSA747280  Gnaphalium Orlando Mistretta 1992-6-10 521 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  POM318595  Gnaphalium californicum Patricia Wilder 1971-5-13 4940 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain 152 Comment
  RSA660537  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR146470  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Peninsular Ranges; Santa Ana Mtns region, Cleveland National Forest: Along old road coming off 3504 west of Sierra Peak. Head of road. Comment
  UCR217284  Gnaphalium canescens subsp. microcephalum Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2217 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  POM8299  Gnaphalium microcephalum P. A. Munz 1920-2-28 3273 Riverside 3 miles west of Corona. 305 Comment
  UCR264073  Gnaphalium microcephalum S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1071 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR38218  Grindelia camporum G. Sampson 1984-7-20 84 86 San Bernardino San Bernardino Valley, Chino Hills State Park, along road on steep bank in upper Aliso Canyon, west of park headquarters Comment
  CAS-BOT-BC314599  Grindelia hirsutula E. R. Johnson 1928-6-6 s.n. San Bernardino Road to Aliso Canyon, S. Puente Hills 304 Comment
  CDA6150  Gutierrezia californica T. C. Fuller 1961-10-18 7160 Riverside Green River Station, Highway 91, 0.5 mile west of Prado Dam Road. 0 Comment
  LA203632  Gutierrezia sarothrae John Thomas Howell; 1927-7-22 2816 Orange Santa Ana Canyon Comment
  POM319668  Gutierrezia sarothrae Patricia Wilder 1971-7-15 5256 Riverside Hillside at W end of Prado Dam, alt 800ft. Chino Hills Mts, Santa Ana River 244 Comment
  UC1118594  Gutierrezia sarothrae H. E. Norton 1931-3-3 34 San Bernardino Plot #5 Corona Quadrangle Comment
  CAS-BOT-BC402190  Helianthemum scoparium R. F. Thorne; E. W. Lathrop; W. Wisura 1977-4-27 49679 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  RSA768508  Helianthemum scoparium Justin M. Wood 2010-3-31 1448 Orange Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  RSA794331  Helianthemum scoparium Justin M. Wood 2010-3-31 1448 Orange Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR224033  Helianthemum scoparium Justin M. Wood 2010-3-31 1448 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon wildlife corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  UCR271513  Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8350 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA5357  Helianthemum scoparium var. scoparium C. B. Wolf, B. D. Stark, Adrian Wolf 1932-12-19 4439 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
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Feb 23 2019
  POM319631  Helianthus annuus Patricia Wilder 1970-10-15 4765 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA647889  Helianthus annuus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 73 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  CAS-BOT-BC305676  Helianthus gracilentus John Thomas Howell 1927-7-3 2638 Orange Claymine Canon [Canyon], n. Santa Ana Mts. 304 Comment
  RSA5288  Helianthus gracilentus C. B. Wolf 1932-12-19 4446 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  UCR271517  Helianthus gracilentus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8360 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  POM319682  Heliotropium curassavicum var. oculatum Patricia Wilder 1970-10-30 4859 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  SD90166  Helminthotheca echioides Benjamin C. Stone Oct 1952 235 San Bernardino 3 miles south of California Institute For Men, near Chino 245 Comment
  CLARK-A1528-1917  Hemizonia fasciculata John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  POM360279  Hemizonia fasciculata Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  POM5000  Hemizonia fasciculata H. M. Hall 1906-6-19 7411 Orange Gypsum, Santa Ana Canyon 122 Comment
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Sep 4 2011
  POM56177  Hemizonia fasciculata H. M. Hall 1906-6-19 7411 Orange Gypsum, Santa Ana Canyon 122 Comment
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Sep 4 2011
  RSA450431  Hemizonia fasciculata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UCR24425  Hemizonia fasciculata John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  GH414595  Hemizonia paniculata P. A. Munz & I. M. Johnston 1928-9-6 11285 Unknown near Santa Ana River, Corona-Ontario road Comment
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Dec 21 2019
  POM158202  Hemizonia paniculata P. A. Munz 1928-9-6 11285 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  SBBG56425  Hesperocyparis forbesii H. C. Jackson 1936-5-15 Orange Santa Ana Cyn Comment
  SD114979  Hesperocyparis forbesii Earl W. Lathrop 1976-11-17 7406 Orange 4 miles west of Corona in Gypsum Canyon north slope of Sierra Peak 609 Comment
  SD146120  Hesperocyparis forbesii J. Latting 1978-5-4 Riverside Santa Ana Mountains: Sierra Peak 929 Comment
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  SD40663  Hesperocyparis forbesii Carl B. Wolf 1935-1-2 Orange Santa Ana Mountains, slopes of Sierra Peak, west of Claymine Canyon along road to peak 669 Comment
  SD40680  Hesperocyparis forbesii Carl B. Wolf 1935-1-2 Orange Santa Ana Mountains, slopes of Sierra Peak, west of Claymine Canyon along road to peak 669 Comment
  RSA263737  Hesperolinon micranthum E. W. Lathrop 1968-5-17 6889 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UCR232761  Hesperolinon micranthum Robt. L. Allen, Christopher M. Barnhill, Dylan Hannon 2005-5-7 12515 Orange Peninsular Range; Santa Ana Mtns., Coal Canyon, upper region above old mining area, southeast of utility road that runs on ridge between Coal and Gypsum canyons 525 Comment
  CAS-BOT-BC143750  Heteromeles arbutifolia Carl B. Wolf 1932-12-19 4430 -A Orange 1/2 mi. from Skyline Drive on firebreak road to Sierra Peak, Santa Ana Mts. Comment
  CAS-BOT-BC143751  Heteromeles arbutifolia Carl B. Wolf 1932-12-19 4430 -A Orange 1/2 mi. from Skyline Drive on firebreak road to Sierra Peak, Santa Ana Mts. 914 Comment
  CAS-BOT-BC143752  Heteromeles arbutifolia P. Everett; E. R. Johnson 1937-11-30 9380 Orange Santa Ana Mts., Bold Meadow at head of Claymine Canyon on slopes of Sierra Peak 762 Comment
  RSA0072403  Heteromeles arbutifolia Steve D. Boyd, Bart O'Brien 1998-1-13 10071 Orange Santa Ana Mountains: north end of the range, W of Sierra Peak along Main Divide Road (3S04), ca. 0.5 mi from summit of peak near head of Coal canyon. 774 Comment
  SBBG27204  Heteromeles arbutifolia C. B. Wolf 1932-12-19 4430 -a Orange 0.5 mi from Skyline Drive on fire break rd to Sierra Peak 762 Comment
  SEINET13297594 Image available Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8351 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UC860401  Heteromeles arbutifolia C. B. Wolf and B. D. Stark 1932-12-19 4430 A Orange 1/2 mi from Skyline Drive on Firebreak Road to Sierra Peak (Santa Ana Mountains); , Firebreak Road 762 Comment
  UCR231195  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39927 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  UCR270747  Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8351 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  OBI8316  Heterotheca grandiflora David J. Keil, Malcolm McLeod 1977-3-26 12008 -2 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  UC519796  Hirschfeldia incana Joseph Andorfer Ewan 1932-7-9 7992 Riverside 1 mi N of Rincon (Chino Creek bottoms at Santa Ana River) Comment
  RSA582631  Hoita orbicularis Louis C. Wheeler 1933-5-28 1744 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM211899  Holodiscus discolor B. D. Stark 1931-6-10 2248 Orange east fork of Claymine Canyon, north end of Santa Ana Mts 305 Comment
  RSA2919  Holodiscus discolor B. D. Stark 1931-6-10 2248 Orange east fork of Claymine Canyon, north end of Santa Ana Mts 305 Comment
  RSA5339  Holodiscus discolor B. D. Stark 1933-1-4 4491 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  UC527614  Holodiscus discolor B. D. Stark 1931-6-10 2248 Orange n end of Santa Ana Mountains, East Fork of Claymine Canyon East Fork of Claymine Canyon; Santa Ana Mountains, East Fork of Claymine Canyon 304 Comment
  UCR159908  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Ana Mountains: Sierra Peak Comment
  CAS-BOT-BC150003  Holodiscus discolor var. discolor B. D. Stark 1931-6-10 2248 Orange East fork of Claymine Canyon, north end of Santa Ana Mountains 304 Comment
  CAS-BOT-BC150004  Holodiscus discolor var. discolor B. D. Stark 1931-6-20 2248 Orange East fork of Claymine Canyon, north end of Santa Ana Mountains 304 Comment
  CAS-BOT-BC150021  Holodiscus discolor var. discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Summit of Santiago Peak on the Riverside County slope side Comment
  RSA0014451  Hordeum murinum subsp. leporinum Justin M. Wood 2010-3-4 1419 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  UC520000  Hydrocotyle umbellata Joseph Andorfer Ewan 1932-7-9 7494 Riverside Santa Ana R. at Rincon (Prado); Santa Ana R., Rincon (Prado) Comment
  POM360744  Hymenoclea salsola var. salsola N. C. Cooper 1948-4-21 2683 Los Angeles Littlerock Reservoir. 762 Comment
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Jun 21 2013
  UC284236  Isocoma acradenia var. acradenia P. A. Munz 1923-9-6 7726 San Bernardino Rincon 182 Comment
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Jul 16 2014
  POM17836  Isocoma menziesii P. A. Munz 1923-9-6 7726 San Bernardino Rincon. 183 Comment
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Jul 16 2014
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  POM122693  Jepsonia parryi Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA171  Juglans californica var. californica J. T. Howell 1928-4-14 908 Orange Aliso Canyon, Rancho Santa Ana. 229 Comment
  CAS-BOT-BC229009  Juglans hindsii R. E. Riefner, Jr. 2011-9-10 11 -124 Orange Santa Ana Canyon, I-91 northbound, S side of freeway, located within 100 ft of the Riverside County line 127 Comment
  SD241063  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course. 124 Comment
  SEINET3831732  Juglans hindsii R. E. Riefner Jr. 2011-1 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  UCD169190  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11- 124 Orange Santa Ana Canyon, I-91 northbound, S side of freeway, located within 100 ft of the Riverside County line. 127 Comment
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May 26 2020
  UCR229277  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11- 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course 125 Comment
  UCR242862  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11- 124 Orange Santa Ana Canyon, Hwy I-91 northbound, south side of fwy, within 100 ft of the Riverside County line 127 Comment
  POM319708  Juncus balticus subsp. ater Patricia Wilder 1970-10-30 4857 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA69630  Juncus mexicanus F. W. Peirson 1924-6-1 4676 Riverside River lands along Santa Ana River. 152 Comment
  RSA768247  Juncus mexicanus Justin M. Wood 2010-5-19 1845 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  POM158189  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1928-9-6 11274 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA368337  Juncus rugulosus L. C. Wheeler 1932-9-4 1331 Riverside Santa Ana River at Chino Creek 183 Comment
  POM158188  Juncus torreyi Phillip A. Munz, I. M. Johnston 1928-9-6 11273 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UC520018  Juncus xiphioides Joseph Andorfer Ewan 1932-7-9 7484 Orange 4 mi below Rincon (Prado); Santa Ana River Comment
  CAS-BOT-BC235489  Keckiella antirrhinoides Jenkins 1929-2-6 s.n. Orange Claymine Canyon, Santa Ana Mts. 213 Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA25894  Keckiella antirrhinoides Jenkins 1929-2-6 9858 Orange Claymine Canyon 213 Comment
  RSA552937  Keckiella antirrhinoides Fred M. Roberts Jr. 1989-5-9 4339 Orange Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91. 146 Comment
  UC1063326  Keckiella antirrhinoides A. Lewis Mar 1934 340 Orange Santa Ana Canyon; Corona Quad. 152 Comment
  UCR270318  Keckiella antirrhinoides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8340 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCSB7012  Keckiella antirrhinoides Lloyd, Robert 1959-4-17 Riverside Mt. Range Santa Ana; 3 miles south of West Corona; on the Oak Flat Fire Road 335 Comment
  RSA789586  Keckiella antirrhinoides subsp. antirrhinoides Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49658 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] Comment
  CAS-BOT-BC235530  Keckiella antirrhinoides var. antirrhinoides Munz; Street; Williams 1919-5-3 2621 Orange Santa Ana River Canon [Canyon] Comment
  LA28287  Keckiella antirrhinoides var. antirrhinoides Philip A. Munz; Harwood 1920-2-28 3255 Riverside 3 mi. W of Corona 335 Comment
  SD52442  Keckiella antirrhinoides var. antirrhinoides Benjamin C. Stone 1954-4-13 512 Los Angeles Hillsides west of Prado Dam, 7 mi west of Corona on 91 1200 Comment
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Dec 3 2014
  CAS-BOT-BC235776  Keckiella cordifolia John Thomas Howell 1927-6-5 2428 San Bernardino Aliso Canon [Canyon], southern Puente Hills 213 Comment
  CAS-BOT-BC235777  Keckiella cordifolia John Thomas Howell 1927-6-5 2428 San Bernardino Aliso Canyon, s. Puente Hills 213 Comment
  CAS-BOT-BC235780  Keckiella cordifolia John Thomas Howell 1927-6-24 2584 San Bernardino Northern slope, Aliso Canon [Canyon], southern Puente Hills near the Santa Ana Canon [Canyon] 274 Comment
  RSA221013  Keckiella cordifolia E. W. Lathrop 1966-5-17 6523 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  RSA738  Keckiella cordifolia J. T. Howell 1927-6-5 31 San Bernardino Aliso Canyon, Rancho Santa Ana. 152 Comment
  UCD123812  Keckiella cordifolia June Latting 1973-6-30 s.n. Riverside Riverside/Orange County: Santa Ana Mountains: off Skyline Drive above Corona on Sierra Peak Road. 823 Comment
  UCR141458  Keckiella cordifolia June Latting 1973-6-30 s.n. Riverside Santa Ana Mountains, off Skyline Drive above Corona on Sierra Peak Road, near Orange Co. line 915 Comment
  UCR251872  Keckiella cordifolia M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR270752  Keckiella cordifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8381 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR27507  Keckiella cordifolia T. P. Krantz 1981-6-18 s.n. Orange Santa Ana Mtns, Main Divide Truck Trail near the head of the canyon Comment
  RSA263652  Keckiella ternata subsp. ternata E. W. Lathrop 1977-4-20 7610 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA734400  Koeleria macrantha Keith E. Hoffmaster 1934-4-8 348 Riverside Santa Ana Mts, Near Corona Comment
  RSA728660  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  UCR166801  Kyllinga brevifolia R. E. Riefner Jr. 2004-9-25 04- 443 Riverside City of Corona; Green River Road, c. 0.8 mi south of 91 freeway overpass, Green River Golf Course at Santa Ana River 153 Comment
  POM361517  Lasthenia californica E. Crow 1929-4-7 310 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  POM8719  Lasthenia californica P. A. Munz 1920-4-11 3806 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  RSA17131  Lasthenia gracilis C. B. Wolf 1936-4-28 7780 San Bernardino Rancho Santa Ana, Lower end of Aliso Canyon. 183 Comment
  UCR270310  Lathyrus vestitus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8379 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA3123  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-2-11 2652 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  POM14210  Lathyrus vestitus subsp. laetiflorus Wm. M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  RSA405709  Lathyrus vestitus subsp. laetiflorus E. Crow 1929-2-22 164 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA518451  Lathyrus vestitus subsp. laetiflorus Dorothy Tilforth, C. W. Tilforth 1977-3-6 1253 Orange Small canyon W of Gypsum Canyon, S side of Santa Ana River 152 Comment
  RSA794333  Lavandula dentata Justin M. Wood 2010-3-31 1451 Orange Santa Ana Canyon: Chino Hills State Park property just west of Green River Golf Course on bluff south of the river. 131 Comment
  RSA800663  Lemna Justin M. Wood 2010-9-29 2738 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  POM319692  Lemna valdiviana Patricia Wilder 1970-10-30 4860 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  UCSB57139  Lepechinia calycina Marsh, G.; Marsh, K. 1978-5-13 Orange Santa Ana Mtns.: Claymine Canyon Road; above Claymine Canyon center, west ridge also near road Comment
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Nov 16 2020
  CAS-BOT-BC221602  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange Claymine Canon [Canyon] n. Santa Ana Mts. 609 Comment
  CAS-BOT-BC221603  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange Claymine Canyon, northern Santa Ana Mts. 609 Comment
  CAS-BOT-BC221604  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange Claymine Canyon, n. Santa Ana Mts. 609 Comment
  GH400377  Lepechinia cardiophylla J. T. Howell 1927-6-26 2606 Unknown Claymine Canyon n. Santa Ana Mts. Comment
  IRVC16187  Lepechinia cardiophylla Gordon A. Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Santa Ana Mtns: Claymine Canyon; road to Coal Canyon Peninsular Ranges 433 Comment
  RSA1076  Lepechinia cardiophylla J. T. Howell 1927-6-26 225 Orange Claymine Canyon, near Sierra Peak 610 Comment
  RSA12900  Lepechinia cardiophylla E. R. Johnson, Percy C. Everett 1935-1-14 s.n. Orange Open firebreak on slopes of Sierra Peak, along road to Claymine Canyon 610 Comment
  RSA443836  Lepechinia cardiophylla Gordon Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Claymine Canyon Road; above Claymine Canyon center on west ridge and near road. Comment
  RSA5329  Lepechinia cardiophylla B. D. Stark 1933-1-4 s.n. Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA608238  Lepechinia cardiophylla Steve Boyd, Bart O'Brien 1998-1-13 10072 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 884 Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  RSA660539  Lepechinia cardiophylla Orlando Mistretta 1992-6-10 516 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA787497  Lepechinia cardiophylla Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49705 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UC909677  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange n Santa Ana Mountains, Claymine Canyon Claymine Canyon; Santa Ana Mountains, Claymine Canyon 609 Comment
  UCR113452  Lepechinia cardiophylla R. E. Riefner Jr. 2000-4-5 20- 211 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon, east of Windy Ridge 518 Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  UCR27070  Lepechinia cardiophylla T. P. Krantz 1981-6-18 s.n. Orange Santa Ana Mtns, Ridge west of Sierra Peak along the roadside Comment
  RSA429896  Lepidium fremontii var. fremontii N. C. Cooper 1948-4-21 2697 Los Angeles Littlerock Reservoir. 762 Comment
  RSA736758  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UC1929339  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR189293  Lepidium latifolium Fred M. Roberts, S. Leatherman 2007-9-19 6598 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199777  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  UC570072  Lepidium nitidum A. Lewis Mar 1934 343 San Bernardino San Juan Hills Corona Quad. 304 Comment
  POM8776  Lepidium virginicum var. pubescens P. A. Munz 1920-4-11 3812 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  CHSC108875  Lepidium virginicum var. robinsonii Justin M. Wood 2010-3-4 1420 Riverside Prado Basin: City of Corona, just NW of sewage treatment dike (intersection of railroad st. and Yorba st.) 160 Comment
  GH379785  Lepidium virginicum var. robinsonii M. E. Jones 1926-3-10 Unknown Santa Ana Canyon Comment
  RSA0014450  Lepidium virginicum var. robinsonii Justin M. Wood 2010-3-4 1420 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  RSA1446  Lepidospartum squamatum J. T. Howell 1929-2-6 1223 Orange Floor of Claymine Canyon, Santa Ana Mts 152 Comment
  RSA800662  Leptochloa fusca subsp. fascicularis Justin M. Wood 2010-9-29 2740 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  POM1178  Leptochloa fusca subsp. uninervia I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  POM319106  Leptochloa fusca subsp. uninervia Patricia Wilder 1970-10-15 4814 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  UCR189291  Leptochloa uninervia Fred M. Roberts, S. Leatherman 2007-9-19 6596 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC908087  Leptodactylon californicum subsp. glandulosum John Thomas Howell 1927-6-26 2610 Orange w Sierra Peak (Santa Ana Mts.); , w of Sierra Peak 609 Comment
  RSA507487  Leptosiphon liniflorus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  UCR231200  Lessingia filaginifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39931 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  CDA8186  Lessingia filaginifolia var. filaginifolia T. C. Fuller 1961-10-18 7158 Riverside Highway 91, 0.5 mile east of Prado Dam Road, Santa Ana River Canyon. 0 Comment
  POM47667  Leymus triticoides F. W. Peirson 1924-6-1 4678 Riverside River lands along Santa Ana River. 152 Comment
  CAS-BOT-BC130579  Lilium humboldtii B. D. Stark 1927-9-6 s.n. Orange Claymine Canyon, Santa Ana Mts. 365 Comment
  CAS-BOT-BC130580  Lilium humboldtii John Thomas Howell 1927-7-3 2645 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  CAS-BOT-BC130581  Lilium humboldtii John Thomas Howell 1927-7-3 2645 Orange Claymine Canyon, n. Santa Ana Mts. 304 Comment
  CAS-BOT-BC130582  Lilium humboldtii John Thomas Howell 1927-7-26 2841 Orange SE. fork of Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
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Mar 27 2018
  GH357437  Lilium humboldtii subsp. ocellatum M. W. Skinner 1983-6-20 98 Unknown Riverside Co., Santa Ana Mtns. Tin Mine Canyon. T4S R4E S9, lower 1/2 Comment
  RSA125  Lilium humboldtii subsp. ocellatum J. T. Howell 1927-7-26 479 Orange Claymine Canon near Sierra Peak. 244 Comment
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Apr 8 2018
  RSA221033  Lilium humboldtii subsp. ocellatum E. W. Lathrop 1966-8-11 6549 Riverside Santa Ana Mountains. 4 miles W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UC1873120  Limonium R. E. Riefner Jr. 06 -398 Riverside Corona-La Sierra area, vicinity of Green River Road and Palisades Drive 15 Comment
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Nov 20 2010
  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
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  RSA768238  Limonium perezii Justin M. Wood 2010-5-19 1843 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA723549  Limonium ramosissimum R. E. Riefner 2006-8-22 6 -398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 16 Comment
  UCR163347  Limonium ramosissimum Kelly Volansky 2005-10-27 s.n. Riverside Santa Ana Mtns. Foothills/Santa Ana River Valley, Corona, Green River Rd., south of 91 Fwy near Serfas Club Rd., directly across from Prado View Elementary School 274 Comment
  RSA0014611  Limonium sinuatum Justin M. Wood, J. Miner 2010-5-12 1680 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  SBBG133592  Limonium sinuatum S. D. White, L. Stafford 2007-7-5 11757 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UC1929318  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park; Santa Ana River floodplain just below Prado Dam. Comment
  UCR199668  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR224311  Limonium sinuatum Justin M. Wood, Jamie Miner 2010-5-12 1680 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  CAS-BOT-BC226770  Linanthus californicus Munz; Street; Williams 1919-5-3 2629 Orange Santa Ana River Canon [Canyon] Comment
  CAS-BOT-BC226775  Linanthus californicus John Thomas Howell 1927-6-26 2610 Orange Claymine Canon [Canyon], n. Santa Ana Mts. 457 Comment
  CAS-BOT-BC226776  Linanthus californicus Helen D. Geis 1902-4-1 s.n. Orange Santa Ana River Canon [Canyon] Comment
  CHSC26491  Linanthus californicus Richard Fellows 1970-5-7 22 Riverside Ca. 5 mi. W. of Corona, .5 mi. N. of Prado Dam off Hwy. 71. 304 Comment
  RSA652615  Linanthus californicus T. Sargent 1959-5-17 s.n. Riverside Ontario-Corona Road, west of Prado Dam Comment
  SD90160  Linanthus californicus Benjamin C. Stone 1954-3-13 507 Los Angeles Chap[arral hillsides west of Prado Dam, 7.0 miles west of Corona. 366 Comment
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Dec 3 2014
  RSA618  Linanthus californicus subsp. glandulosus J. T. Howell 1927-6-26 229 Orange Claymine Canyon, near Sierra Peak. 457 Comment
  POM364579  Linanthus dianthiflorus subsp. dianthiflorus E. Crow 1929-4-7 H.- 8284 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA350  Lithophragma affine subsp. mixtum John T. Howell 1928-3-18 883 San Bernardino Aliso Canyon, Rancho Santa Ana. 244 Comment
  RSA747282  Logfia filaginoides Orlando Mistretta 1992-6-10 529 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA1492  Lomatium dasycarpum subsp. dasycarpum E. R. Johnson 1929-4-11 1255 Orange Sierra Peak Trail. Comment
  RSA49093  Lomatium dasycarpum subsp. dasycarpum P. A. Munz 1949-5-26 13377 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA529  Lomatium lucidum J. T. Howell 1927-6-26 221 Orange Claymine Canyon near Sierra Peak 366 Comment
  UCR217285  Lomatium lucidum Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2218 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  CAS-BOT-BC234809  Lonicera subspicata John Thomas Howell 1927-6-24 2583 San Bernardino Aliso Canon [Canyon], on open northern slope, southern Puente Hills near the Santa Ana Canon [Canyon] 274 Comment
  UCR231194  Lonicera subspicata A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39926 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  POM17410  Lonicera subspicata var. denudata M. L. Kendall 1922-5-2 s.n. Riverside Santa Ana Canyon. Comment
  RSA5268  Lonicera subspicata var. denudata C. B. Wolf 1932-12-19 4434 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  RSA5337  Lonicera subspicata var. denudata B. D. Stark 1933-1-4 4489 Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 213 Comment
  RSA784833  Lotus J. D. Olmsted 1959-4-23 453 Riverside Santa Ana Mountains; 1/4 miles west of Olive grove near mouth of Tin Mine Canyon; 5 miles SW of Corona. 396 Comment
  RSA582442  Lotus heermannii L. C. Wheeler 1932-9-4 1326 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM8718  Lotus salsuginosus P. A. Munz 1920-4-11 3804 San Bernardino Santa Ana River Canyon near Rincon 305 Comment
  IRVC19937  Lotus salsuginosus subsp. salsuginosus Gordon A. Marsh, K. G. Marsh 1983-3-2 Orange burn area on ridge between Coal and Gypsum Canyons, Santa Ana Mountains Comment
  RSA648948  Lotus scoparius Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 66 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CLARK-A1528-488  Lotus strigosus Art Dawson 1968-4-17 Riverside Prado Dam Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA799649  Ludwigia peploides Justin M. Wood 2010-9-29 2739 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  RSA731953  Ludwigia peploides subsp. peploides Fred M. Roberts 2007-12-12 6705 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA736761  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC1929852  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR189545  Ludwigia peploides subsp. peploides Fred M. Roberts, S. Leatherman 2007-9-19 6582 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199721  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  CAS-BOT-BC198386  Lupinus albifrons John Thomas Howell 1927-6-24 2587 San Bernardino Aliso Canyon, southern Puente Hills near the Santa Ana Canyon 365 Comment
  RSA350003  Lupinus bicolor E. Crow 1929-4-7 303 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA591821  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR208039  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA787678  Lupinus bicolor subsp. marginatus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49713 Orange Northern Santa Ana Mountains: Sierra Peak 900 Comment
  RSA413469  Lupinus concinnus N. C. Cooper 1948-4-21 2696 Los Angeles Littlerock Reservoir. 762 Comment
  RSA413600  Lupinus excubitus var. hallii E. Crow 1929-4-7 293 Riverside East end of Corona Skyline Drive, Santa Ana Mts. Comment
  RSA6197  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-27 3698 Orange Santa Fe R R, 3/4 mile West of Orange County. 91 Comment
  UCR251691  Lupinus excubitus var. hallii M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA413703  Lupinus hirsutissimus E. Crow 1929-4-7 299 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA647937  Lupinus longifolius Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 55 Orange 1000 ft. north of Chino Hills State Park Boundary 229 Comment
  RSA414340  Lupinus succulentus E. Crow 1929-4-7 302 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA507484  Lupinus succulentus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  RSA660287  Lupinus succulentus Orlando Mistretta 1992-6-2 454 Orange Vicinity of Sierra Peak. (Historical Locality). Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UC519978  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek Chino Creek; Santa Ana River, Chino Creek 152 Comment
  RSA409650  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 183 Comment
  RSA612131  Lythrum californicum Louis C. Wheeler 1932-7-9 936 Riverside Santa Ana River at Chino Creek. 152 Comment
  CAS-BOT-BC334724  Madia gracilis John Thomas Howell 1927-6-26 2613 Orange Claymine Canyon, north Santa Ana Mountains 243 Comment
  RSA263658  Malacothamnus fasciculatus E. W. Lathrop 1977-3-29 7512 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive Comment
  RSA263741  Malacothamnus fasciculatus E. W. Lathrop 1968-5-17 6893 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  RSA433310  Malacothamnus fasciculatus M. B. Dunkle 1933-5-30 3581 Orange Santa Ana Canyon Comment
  RSA647941  Malacothamnus fasciculatus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 17 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  RSA647942  Malacothamnus fasciculatus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 79 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  RSA553110  Malacothamnus fasciculatus var. laxiflorus Fred M. Roberts 1989-5-9 4342 -A Orange Gypsum Canyon, west for,, 5.6 km WNW Sierra Peak, 1km S Hwy 91. 146 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
  UCR270750  Malacothrix saxatilis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8363 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR27223  Malacothrix saxatilis E. W. Lathrop 1966-5-1 6256 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA220972  Malacothrix saxatilis var. tenuifolia E. W. Lathrop 1966-5-1 62 Riverside 4 mi W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 610 Comment
  RSA647890  Malacothrix saxatilis var. tenuifolia Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 60 Orange 1/2 mile south of Chino Hills State Park Boundary 229 Comment
  RSA789584  Malacothrix saxatilis var. tenuifolia R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49656 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA798537  Malacothrix saxatilis var. tenuifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49734 Riverside Northern Santa Ana Mountains: Tin Mine Canyon Comment
  UC126795  Malacothrix saxatilis var. tenuifolia H. M. Hall 1906-6-19 7410 Orange vicinity Riverside (Gypsum); Santa Ana Canyon 121 Comment
Read comments
Sep 4 2011
  A364984  Malosma laurina J. T. Howell 1927-7-24 2826 Unknown Claymine Canyon, n. Santa Ana Mts. Comment
  CAS-BOT-BC167852  Malosma laurina John Thomas Howell 1927-7-24 2826 Orange Sandy floor of Claymine [Canon] Canyon, n. Santa Ana Mts. 152 Comment
  RSA448  Malosma laurina J. T. Howell 1927-7-24 466 Orange Claymine Canyon, near Sierra Peak 152 Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  UCR270308  Malosma laurina T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8376 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CSUSB589  Marah macrocarpa I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  POM12993  Marah macrocarpa I. M. Munz 1922-5-18 s.n. San Bernardino Santa Ana River Canyon. 3 mi. from county line 366 Comment
  UC1122839  Marah macrocarpa A. Lewis Mar 1934 339 Orange Santa Ana Canyon Corona Quadrangle Comment
  UCR270753  Marah macrocarpa T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8374 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  HSC14229  Marrubium vulgare C. L. Hitchcock, C. V. Muhlick 1964-3-17 23073 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  VVC290  Marrubium vulgare P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  CHSC69822  Matricaria occidentalis C. L. Mitchcock; C. V. Muhlick 1964-3-17 Orange Along road, 8 miles e. of Yorba Linda, Santa Ana Canyon. Comment
  UC1292308  Matricaria occidentalis C. L. Hitchcock and C. V. Muhlick 1964-3-17 23065 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  UC1129786  Medicago polymorpha A. Lewis 1934-3-4 342 San Bernardino San Juan Hills Corona Quadrangle Comment
  CAS-BOT-BC281594  Melica imperfecta C. L. Hitchcock 1964-3-17 23071 Orange 8 miles E of Yorba Linda, Santa Ana Canyon Comment
  HSC10354  Melica imperfecta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23071 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  POM182773  Melica imperfecta Marcus E. Jones 1925-3-13 s.n. Orange North end, Santa Ana Canyon Comment
  POM8786  Melica imperfecta P. A. Munz 1920-4-11 3809 San Bernardino Santa Ana River Canyon near Rincon 305 Comment
  RSA58  Melica imperfecta J. T. Howell 1927-6-26 230 Orange Claymine Canon near Sierra Peak. [canyon] 244 Comment
  RSA699307  Melica imperfecta Keith E. Hoffmaster 1934-4-8 88 Riverside Santa Ana Mts. Comment
  UC1146059  Melica imperfecta C. L. Hitchcock and C. V. Muhlick 1964-3-17 23071 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  UCR207526  Melica imperfecta O. F. Clarke 2006-5-6 s.n. Orange Peninsular Range; Santa Ana Mtns., Coal Canyon 305 Comment
  UCR270304  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8370 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR270313  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8347 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  POM184640  Mentha aquatica Louis C. Wheeler 1932-9-4 1316 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  JEPS42777  Mentzelia micrantha John Thomas Howell 1927-7-3 2642 Orange Santa Ana Mts., Claymine Canyon 304 Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  UCR16334  Mentzelia micrantha I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  RSA789582  Microseris heterocarpa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49654 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA577  Microsteris gracilis subsp. gracilis J. T. Howell 1928-3-18 886 San Bernardino Aliso Canyon, Rancho Santa Ana. [Orange County] 229 Comment
  UCR251870  Mimulus aurantiacus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA443831  Mimulus aurantiacus var. pubescens Gordon Marsh, K. G. Marsh 1978-5-13 s.n. Orange S end of W portion of Coal Canyon at Main Divide Rd. 707 Comment
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  UCR270305  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8373 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR270312  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8346 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  RSA612169  Mimulus floribundus Louis C. Wheeler 1932-7-9 930 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR28958  Mirabilis californica var. californica M. G. McLeod, David J. Keil 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  HSC16156  Mirabilis laevis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23061 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  CAS-BOT-BC434672  Mirabilis laevis var. crassifolia C. L. Hitchcock; C. V. Muhlick 1964-3-17 23061 Orange 8 miles e. of Yorba Linda, Santa Ana Canyon Comment
  CAS-BOT-BC434686  Mirabilis laevis var. crassifolia Munz; Harwood 1920-2-28 3256 Riverside 3 mi. west of Corona 304 Comment
  SBBG54995  Mirabilis laevis var. crassifolia D. Keil, M. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
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Apr 27 2013
  UC1136571  Mirabilis laevis var. crassifolia A. Lewis Feb 1934 302 Orange Santa Ana Canyon 121 Comment
  UC1292275  Mirabilis laevis var. crassifolia C. L. Hitchcock and C. V. Muhlick 1964-3-17 Orange 8 miles E of Yorba Linda, Santa Ana Canyon Comment
  OBI8247  Mirabilis laevis var. retrorsa David J. Keil, Malcolm G. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  CAS-BOT-BC263361  Muhlenbergia asperifolia John Thomas Howell 1927-7-27 2852 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  CAS-BOT-BC263362  Muhlenbergia asperifolia John Thomas Howell 1927-7-21 2812 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA262063  Muhlenbergia microsperma E. W. Lathrop 1966-3-23 6085 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. Comment
  UC218127  Muhlenbergia microsperma P. A. Munz 1920-4-11 3810 San Bernardino Santa Ana River Canyon. 304 Comment
  RSA263733  Nassella lepida E. W. Lathrop 6887 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 1067 Comment
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Mar 3 2013
  RSA660535  Nassella lepida Orlando Mistretta 1992-6-10 525 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA263725  Nassella pulchra E. W. Lathrop 1966-3-23 6093 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA660533  Navarretia atractyloides Orlando Mistretta 1992-6-10 527 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA615  Nemophila menziesii J. T. Howell 1928-3-18 881 San Bernardino Aliso Canyon, Rancho Santa Ana. 244 Comment
  POM347132  Nemophila menziesii var. integrifolia Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  CSUSB760  Nicotiana glauca K. S. Gill 1965-3-21 Riverside Tin Mine Canyon at the foot of Skyline Drive, south of Corona on roadside wasteland. 457 Comment
  CSUSB761  Nicotiana glauca Sue Freeman 1966-3-27 Riverside 5 miles east of Yorba Linda cutoff on Highway 91; about 20 yards from stream. 304 Comment
  HSC21272  Nicotiana glauca C. L. Hitchcock, C. V. Muhlick 1964-3-17 23059 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  GH357548  Nolina cismontana J. T. Howell 1927-7-24 2827 Unknown Claymine Canyon, n. Santa Ana Mts., Orange Co. Comment
  RSA126  Nolina cismontana J. T. Howell 1927-7-24 467 Orange Claymine Canyon, near Sierra Peak 167 Comment
  RSA658138  Nolina cismontana R. E. Riefner 2000-7-6 20 -616 Orange NCCP North Ranch Policy Plan Area; NE property, along Nat l Forest Boundary, S of Claymore Mine Comment
  UCR114938  Nolina cismontana R. E. Riefner Jr. 2000-7-6 20- 616 Orange Peninsular Range, Santa Ana Mountains, NCCP North Ranch Policy Plan Area, NE property; upper (E fork) of Fremont Canyon along National Forest Boundary at powerlines 692 Comment
  UCR207516  Nolina cismontana O. F. Clarke 2006-5-6 s.n. Orange Peninsular Range; Santa Ana Mtns., Coal Canyon 305 Comment
  UCR270744  Nolina cismontana T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8364 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UC1134648  Nolina parryi A. E. Wieslander 1931-4-10 180 Orange w Sierra Peak; Corona Quadrangle 365 Comment
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Nov 26 2007
  UC421656  Nolina parryi John Thomas Howell 1927-7-24 2827 Orange Claymine Canyon n. Santa Ana Mts. 152 Comment
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Nov 26 2007
  POM158192  Oenothera elata subsp. hirsutissima P. A. Munz, I. M. Johnston 1928-9-6 11276 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM158193  Oenothera elata subsp. hirsutissima P. A. Munz 1928-9-6 11276 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA612168  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1932-7-9 925 Riverside Santa Ana River at Chino Creek. 152 Comment
  SEINET3150336  Oenothera elata subsp. hirsutissima W. B. Crockatt sn Riverside Prado 91 Comment
  RSA783221  Oenothera micrantha J. D. Olmsted 1959-5-1 516 Orange 3/4 miles west of Oat Flat along old road from Main Divide Motorway into Sierra Canyon 777 Comment
  RSA407959  Orthocarpus purpurascens E. Crow 1929-4-7 306 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  CLARK-A1528-141  Osmorhiza brachypoda Ruth Cooper 1968-5-5 Riverside Santa Ana Mountains Comment
  RSA458996  Osmorhiza brachypoda E. Crow 1929-4-7 317 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  UCR26850  Osmorhiza brachypoda E. W. Lathrop 1966-5-17 6536 Riverside Santa Ana Mtns., 4 mi. west of Corona, between Tin Mine Canyon and Santiago Peak 612 Comment
  RSA518448  Oxalis albicans subsp. californica C. W. Tilforth, Dorothy Tilforth 1977-3-6 1258 Orange Small canyon west of Gypsum Canyon, south side of Santa Ana River, Santa Ana Canyon 152 Comment
  UC1143153  Oxalis albicans subsp. californica A. Lewis 1934-2-1 262 Orange Santa Ana Canyon Corona quad 152 Comment
  CSUSB1064  Paeonia californica I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  RSA221052  Paeonia californica E. W. Lathrop 1966-3-23 6077 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA302  Paeonia californica J. T. Howell 1928-2-6 809 Orange Claymine Canyon, Sierra Peak, Santa Ana Mts. 244 Comment
  RSA652108  Paeonia californica Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 229 Comment
  RSA700031  Paeonia californica Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  RSA700033  Paeonia californica R. H. McArthur 1934-2-17 s.n. Orange Gypsum Canyon. Comment
  UCR16464  Paeonia californica Robert A. Clark 1966-3-19 031966- 4 Riverside Santa Ana Mtns, Rural Corona, Sky Line Drive 2.5 mi. from entrance off Chase Avenue 274 Comment
  UCR2620  Panicum capillare F. M. Reed 1927-10-13 5624 Orange Transverse Range; Santa Ana Mtns; Santa Ana River Canyon, Santa Ana River channel above Sulphur Slide [Hill] 152 Comment
  RSA800228  Panicum dichotomiflorum Justin M. Wood 2010-9-29 2755 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  RSA731539  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2007-12-2 7 -501 Riverside City of Corona; Green River Rd., ca. 1 mi S of 91 Freeway overpass, near Green River Golf Course, along Santa Ana River. 153 Comment
  UCR188996  Panicum dichotomiflorum subsp. dichotomiflorum Fred M. Roberts, S. Leatherman 2007-9-19 6590 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CDA2142  Panicum virgatum R. E. Riefner Jr. 2006-9-19 06 -439 Orange City of Anaheim. North side of Santa Ana River channel, Santa Ana Canyon, West (downstream) ca. 1.25 miles from Green River Golf Course. Comment
  RSA724122  Panicum virgatum R. E. Riefner 2006-9-19 6 -439 Orange City of Anaheim, N side of Santa Ana River channel, Santa Ana Canyon, W (downstream) ca. 1.25 mi from Green River Golf Course. 118 Comment
  CAS-BOT-BC422790  Papaver californicum P. C. Everett; E. R. Johnson 1935-5-29 7094 Orange Santa Ana Mts., head of Claymine Canyon 762 Comment
  RSA13135  Papaver californicum Percy C. Everett 1935-5-29 7094 Orange Santa Ana Mts, Head of Claymine Canyon. 762 Comment
  RSA768243  Parietaria hespera Justin M. Wood 2010-5-19 1840 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  CAS-BOT-BC413392  Parietaria hespera var. hespera Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canon [Canyon] Comment
  CAS-BOT-BC265650  Paspalum distichum E. R. Johnson 1940-8-21 9735 San Bernardino Aliso Canyon above the main cattle corral, Rancho Santa Ana 182 Comment
  CAS-BOT-BC265651  Paspalum distichum E. R. Johnson 1940-8-21 9735 San Bernardino Aliso Canyon above the main cattle corral, Rancho Santa Ana 182 Comment
  RSA766070  Paspalum pubiflorum R. E. Riefner Jr. 2009-10-10 09 -225 Riverside City of Corona, Santa Ana River below Prado Dam, ca. 0.5 mi SW of 71 Fwy. 135 Comment
  CAS-BOT-BC402203  Pedicularis densiflora R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49711 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA1458  Pedicularis densiflora E. R. Johnson 1929-4-11 1259 Orange Sierra Peak Trail. Comment
  RSA160448  Pedicularis densiflora J. D. Olmsted 1959-4-14 374 Riverside 4 mi. SR of Oak Flat near west county line on Santiago Pk. dire rd. near top of pk. west of Santiago pk. SW towards Irvine. 1280 Comment
  RSA262084  Pedicularis densiflora E. W. Lathrop 1969-4-9 6968 Riverside 4 mi west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive.Southern oak woodland with occasional Coulter Pine and Bigcone Spruce. Comment
  RSA401953A  Pedicularis densiflora E. Crow 1929-4-7 304 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA787503  Pedicularis densiflora Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49711 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UC1424841  Pedicularis densiflora E. W. Lathrop 1977-4-13 7606 Riverside 4 mi w of Corona (between Tin Mine Canyon and Santiago Peak, Skyline Drive, Sierra Peak near the towers); Santa Ana Mountains Comment
  UCD169762  Pedicularis densiflora R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49711 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UCR16845  Pedicularis densiflora Robert A. Clark 1966-3-19 031966- 05 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  UCSB6136  Pedicularis densiflora Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 853 Comment
  RSA651837  Pellaea andromedifolia W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 365 Comment
  UCR270754  Pellaea andromedifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8382 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA1444  Pellaea andromedifolia var. andromedifolia J. T. Howell 1929-2-6 1221 Orange Claymine Canyon, Santa Ana Mountains 213 Comment
  UCR215288  Pennisetum setaceum Fred M. Roberts, D. E. Bramlet 2008-5-13 6957 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  SEINET10334604  Penstemon heterophyllus subsp. australis Czarnecki 1966-5-25 113 Orange Old botanical gardens at the Ranco Santa Ana Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  RSA39403  Penstemon heterophyllus var. australis M. Dillon 1947-4-28 14702 Riverside Hidden Canyon at foot of Skyline Drive, southwest of Corona. Comment
  UCR141686  Penstemon spectabilis June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR15978  Penstemon spectabilis K. S. Gill 1965-3-21 49 Riverside Santa Ana Mtns, Tin Mine Canyon at the foot of Skyline Drive, south of Corona 610 Comment
  POM12989  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5308 Riverside Santa Ana River Canyon. 457 Comment
  RSA16996  Pentachaeta aurea Percy C. Everett 1935-4-22 7745 Orange 1/4 mile W of Horseshoe Bend, Santa Ana Canyon 122 Comment
  CAS-BOT-BC418845  Persicaria hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon Comment
  CAS-BOT-BC418846  Persicaria hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  CAS-BOT-BC419047  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  POM158195  Petunia parviflora Philip A. Munz, I. M. Johnston 1928-9-6 11279 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM319385  Petunia parviflora Patricia Wilder 1970-10-15 4813 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA594  Phacelia cicutaria var. hispida J. T. Howell 1927-7-26 477 Orange Claymine Canon near Sierra Peak. 244 Comment
  RSA647938  Phacelia cicutaria var. hispida Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 26 Orange 1/2 mile south of Chino Hills State Park. 168 Comment
  RSA794334  Phacelia cicutaria var. hispida Justin M. Wood 2010-3-31 1450 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCD120320  Phacelia cicutaria var. hispida Raymond A. Evans 1949-5-14 s.n. Riverside Santa Ana Canyon, west of Corona. Comment
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA647939  Phacelia distans Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 39 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 244 Comment
  RSA784335  Phacelia distans J. D. Olmsted 1959-4-17 382 Riverside Santa Ana River drainage area. Puente Hills. 0.25 mi N of Prado dam along Hwy 71 on west side of road. 213 Comment
  RSA794328  Phacelia distans Justin M. Wood 2010-3-31 1445 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCR224037  Phacelia distans Justin M. Wood 2010-3-31 1445 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon wildlife corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  RSA426102  Phacelia douglasii N. C. Cooper 1948-4-21 2694 Los Angeles Littlerock Reservoir. 762 Comment
  RSA699651  Phacelia hispida Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA717571  Phacelia minor Marcus E. Jones 1926-3-10 s.n. Orange Near Santa Ana Canyon. Comment
  SBBG55017  Phacelia minor D. Keil, M. McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR29001  Phacelia minor M. G. McLeod, David J. Keil 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  RSA697793  Phacelia parryi R. H. McArthur 1934-3-17 s.n. Orange Gypsum Canyon. Comment
  RSA794332  Phacelia parryi Justin M. Wood 2010-3-31 1449 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCR224034  Phacelia parryi Justin M. Wood 2010-3-31 1449 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon wildlife corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  CAS-BOT-BC144974  Phacelia ramosissima var. austrolitoralis John Thomas Howell 1927-7-24 2825 Orange Floor of Claymine Canyon, northern Santa Ana Mts. 152 Comment
  RSA738990  Phacelia viscida Minor Warne 1934-3-17 s.n. Orange Gypsum Canyon Comment
  UCR16672  Phalaris aquatica Frederick Neill 1977-5-28 52804 Riverside Santa Ana Mtns., 4.8 mi. up Skyline Dr. from Corona, near crest of mountains 854 Comment
  UCR19300  Phalaris aquatica John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  UCR23998  Phalaris aquatica John C. Roos 1962-6-30 s.n. Riverside Santa Ana Mtns, Head of Tin Mine Canyon Comment
  IRVC16190  Phalaris minor Gordon A. Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Santa Ana Mtns: Coal Canyon, NE portion of ridge. Peninsular Ranges 311 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  CAS-BOT-BC222604  Pholistoma auritum var. auritum Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canon [Canyon] Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA178  Phoradendron macrophyllum J. T. Howell 1928-4-14 912 San Bernardino Aliso Canyon, Rancho Santa Ana. 229 Comment
  UC699665  Phyla lanceolata Kay H. Beach 1942-10-22 1660 Riverside three mi nw Corona city limits (along Chino Creek); along Chino Creek 198 Comment
  RSA5330  Pickeringia montana var. tomentosa B. D. Stark 1933-1-4 4484 Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA263779  Picris echioides Robert Harvey 1959-8-4 153 Riverside Corona, Tin Mine Canyon 457 Comment
  CAS-BOT-BC402195  Pinus attenuata R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49694 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  UCD169804  Pinus attenuata R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49694 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA220955  Pinus coulteri E. W. Lathrop 1966-3-23 6115 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  UCR23995  Piptatherum miliaceum John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR270762  Pityrogramma triangularis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8384 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA1460  Plantago erecta E. R. Johnson 1929-4-11 1260 Orange Sierra Peak Trail. Comment
  UC484111  Plantago erecta E. R. Johnson 1929-4-11 Orange Sierra Peak Trail Santa Ana Mts. Comment
  CAS-BOT-BC402187  Plantago erecta subsp. erecta R. F. Thorne; E. W. Lathrop; W. Wisura 1977-4-27 49653 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA789581  Plantago erecta subsp. erecta Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49653 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] Comment
  RSA698371  Platanus racemosa Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  RSA698372  Platanus racemosa R. H. McArthur 1934-2-17 s.n. Orange Gypsum Canyon. Comment
  RSA751  Plectritis ciliosa subsp. insignis J. T. Howell 1928-4-14 913 San Bernardino Aliso Canyon, Rancho Santa Ana. 229 Comment
  CAS-BOT-BC356105  Pluchea odorata J. Ewan 1931-10-3 5210 Riverside Santa Ana River 4 miles N.W. of Corona Comment
  POM158179  Pluchea odorata P. A. Munz, I. M. Johnston 1928-9-6 11265 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM31961  Pluchea odorata Patricia Wilder 1970-10-15 4811 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  RSA603751  Pluchea odorata L. C. Wheeler 1932-9-4 1321 Riverside Santa Ana River at Chino Creek 183 Comment
  RSA800672  Pluchea odorata Justin M. Wood 2010-9-29 2747 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC310255  Pluchea odorata var. odorata Philip A. Munz Nov 1925 10808 San Bernardino near Rincon (southwestern San Bernardino County) 274 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
  LA203865  Pluchea sericea J. A. Ewan; 1932-7-9 7488 Orange Santa Ana River, 4 mi. below Rincon Comment
  RSA612115  Pluchea sericea L. C. Wheeler 1932-7-9 940 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC520003  Pluchea sericea Joseph Andorfer Ewan 1932-7-9 7488 Orange 4 mi below Rincon; Santa Ana River Comment
  UC829264  Pluchea sericea Louis C. Wheeler 1932-7-9 940 Riverside 3 mi below Prado; Santa Ana River Canyon 152 Comment
  UCSB57140  Poa secunda subsp. secunda Marsh, G.; Marsh, K. 1978-5-20 Orange Santa Ana Mts., NE portion of Coal Canyon 335 Comment
  RSA644981  Pogogyne douglasii subsp. parviflora R. E. Riefner Jr. 2000-4-5 20 -211 Orange North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon, east of Windy Ridge. 518 Comment
  UCR270760  Polygala cornuta subsp. fishiae T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8366 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CAS-BOT-BC167819  Polygala cornuta var. fishiae John Thomas Howell 1927-7-3 2640 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  CAS-BOT-BC167822  Polygala cornuta var. fishiae John Thomas Howell 1927-6-24 2582 San Bernardino Aliso [Canon] Canyon in southern Puente Hills near the Santa Ana [Canon] Canyon 274 Comment
  RSA5351  Polygala cornuta var. fishiae Carl B. Wolf 1932-12-19 4433 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  UCR189801  Polygala cornuta var. fishiae Amy Rowland 2007-5-8 067 Riverside Peninsular Range, Santa Ana Mountains Region, Tin Mine Canyon c. 4 mi southwest of city of Corona, in drainage near Tin Mine trail 427 Comment
  POM224747  Polygonum hydropiperoides P. A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon. Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  POM224746  Polygonum lapathifolium P. A. Munz 1935-10-21 14653 Riverside Santa Ana River, below Rincon. Comment
  POM319090  Polygonum lapathifolium Patricia Wilder 1970-10-15 4777 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  RSA29893  Polygonum punctatum Louis C. Wheeler 1932-9-4 1320 Riverside Santa Ana River at Chino Creek. 183 Comment
  UC850309  Polygonum punctatum Louis C. Wheeler 1932-9-4 1320 Riverside Chino Creek Santa Ana River 182 Comment
  RSA264148  Polypodium californicum C. W. Tilforth 1977-3-6 1255 Orange Small canyon west of Gypsum Canyon, south side of Santa Ana River, Santa Ana Canyon 152 Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UC314549  Polypodium californicum Marcus E. Jones 1925-3-13 Orange Santa Ana Canyon Comment
  UCR189544  Polypogon interruptus Fred M. Roberts, S. Leatherman 2007-9-19 6581 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SEINET3130262  Polypogon monspeliensis W. B. Crockatt sn Riverside Prado 91 Comment
  CAS-BOT-BC237533  Polypogon viridis John Thomas Howell 1927-6-24 2576 San Bernardino Aliso Canon, S Puente Hills near the Santa Ana Canon 198 Comment
  RSA36  Polypogon viridis J. T. Howell 1927-6-24 196 San Bernardino Aliso Canyon, Rancho Santa Ana. 198 Comment
  CAS-BOT-BC102593  Populus fremontii Marcus E. Jones 1930-3-3 26533 Orange Santa Ana Mountains Comment
  CAS-BOT-BC102599  Populus fremontii Marcus E. Jones 1930-3-3 26533 Orange Santa Ana Mountains Comment
  POM360778  Populus fremontii Marcus E. Jones 1930-3-3 26533 Orange Santa Ana Mountains. Comment
  RSA731957  Populus fremontii subsp. fremontii Fred M. Roberts 2007-12-12 6700 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  CLARK-A1528-4065  Populus trichocarpa Alfred R. Roos 1936-2-9 1535 Orange Santa Ana Canyon Comment
  UC1134818  Populus trichocarpa A. Lewis Mar 1934 336 Orange Santa Ana Canyon; Corona Quad., Santa Ana Canyon Comment
  LA102386  Porophyllum gracile John C. Roos; 1950-5-6 4789 Riverside Santa Ana Mountains, Tin Mine Canyon 609 Comment
  RSA1556  Porophyllum gracile J. T. Howell 1928-7-10 1047 Riverside Hidden Canyon, Santa Ana Mts. 396 Comment
Read comments
Apr 24 2013
  RSA736580  Porophyllum gracile Keith E. Hoffmaster 1934-4-8 153 Riverside Santa Ana Mts. Comment
  UCR19541  Porophyllum gracile John C. Roos 1950-5-6 4789 Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  RSA160537  Prunus ilicifolia J. D. Olmsted 1959-4-12 369 Riverside 2.5 mi. up Oak flat fire road, having turned off Hw. 91 S. on Lincoln in w. Corona, west of Chase dr. to wash, then south. Drainage Area N to Santa Ana R.[River] 671 Comment
  RSA220993  Prunus ilicifolia E. W. Lathrop 1966-4-18 6189 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  UCR16763  Prunus ilicifolia R. Cooper 1968-5-5 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon Comment
  CAS-BOT-BC356379  Pseudognaphalium beneolens John Thomas Howell 1927-7-16 2782 Orange Hills on north side of Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC356597  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2645 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  RSA3115  Pseudognaphalium biolettii C. B. Wolf 1932-2-11 2644 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA3116  Pseudognaphalium biolettii C. B. Wolf 1932-2-11 2645 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SD27984  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 miles west of Corona, base of Skyline Drive. 405 Comment
  POM318596  Pseudognaphalium stramineum Patricia Wilder 1970-10-15 4780 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA220975  Pseudotsuga macrocarpa E. W. Lathrop 1966-3-23 6111 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA5343  Pseudotsuga macrocarpa B. D. Stark 1933-1-4 4493 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA58830  Pseudotsuga macrocarpa R. Weatherby 1950-2-2 s.n. Riverside Canyon, southeast of Sierra Peak, Santa Ana Mts. Comment
  SBBG1714  Pterostegia drymarioides H. and M. Dearing 1937-4-12 2834 Orange Santa Ana Cyn Comment
  RSA263786  Pulicaria hispanica Margaret Hardinge, Crooks 1961-9-6 311 Riverside Santa Ana canyon; Davenport Ranch on Hwy 91 Comment
  CAS-BOT-BC362140  Pulicaria paludosa T. C. Fuller 1963-10-9 11362 Orange N. facing slope of the Santa Ana Canyon, 0.1 mi. s. of Riverside Freeway to Anaheim, ca. 2 mi. w. of the Riverside Co. line in Orange Co. Comment
  CDA7611  Pulicaria paludosa T. C. Fuller 1963-10-9 11362 Orange Santa Ana Canyon, 0.1 mile south of Riverside Freeway to Anaheim, ca. 2 miles west of the Riverside County line. 0 Comment
  CDA7614  Pulicaria paludosa T. C. Fuller 1963-10-9 11362 Orange Santa Ana Canyon, 0.1 mile south of Riverside Freeway to Anaheim, ca. 2 miles west of the Riverside County line. 0 Comment
  CDA7616  Pulicaria paludosa R. G. Ahlefeld 1959-7-15 Orange Santa Ana River Canyon, east of Fullerton. 0 Comment
  OBI5232  Pulicaria paludosa T. C. Fuller 1993-10-9 11362 Orange Santa Ana cyn, 0.1 mi S of riverside fwy to Anaheim, ca 2 mi W of the Riverside Co. line Comment
  OBI59561  Pulicaria paludosa T. C. Fuller 1963-10-9 11362 Orange Santa Ana cyn, 0.1 mi S of riverside fwy to Anaheim, ca 2 mi W of the Riverside Co. line Comment
  RSA800669  Pulicaria paludosa Justin M. Wood 2010-9-29 2752 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UCD148359  Pulicaria paludosa T. C. Fuller 1963-10-9 11362 Orange North facing slope of the Santa Ana Canyon, 0.1 mile south of Riverside Freeway to Anaheim. Around 2 miles west of the Riverside county line in Orange County. Comment
  POM256729  Quercus X grandidentata W. Pequegnat 1940-6-18 s.n. Orange About 1 mile NW Sierra Peak. Santa Ana Mts. 762 Comment
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Aug 2 2020
  RSA12361  Quercus X grandidentata E. R. Johnson 1934-1-6 5561 Orange Santa Ana Mts., on slopes of Sierra Peak at about the head of Claymine Canyon. 762 Comment
  RSA12362  Quercus X grandidentata E. R. Johnson 1934-1-6 5562 Orange Santa Ana Mts., on slopes of Sierra Peak at about the head of Claymine Canyon. 762 Comment
  RSA12363  Quercus X grandidentata E. R. Johnson 1934-1-6 5563 Orange Santa Ana Mts., on slopes of Sierra Peak at about the head of Claymine Canyon. 762 Comment
  RSA12364  Quercus X grandidentata E. R. Johnson 1934-1-6 5564 Orange Santa Ana Mts., on slopes of Sierra Peak at about the head of Claymine Canyon. 762 Comment
  RSA1494  Quercus X grandidentata E. R. Johnson 1929-4-11 1263 Orange Sierra Peak Trail. Comment
  RSA20363  Quercus X grandidentata Percy C. Everett 1937-11-30 9379 Orange Santa Ana Mts., head of Claymine Canyon on north slopes of Sierra Peak. 762 Comment
  A356947  Quercus agrifolia C. B. Wolf & B. D. Stark 1932-12-19 4432 Unknown Santa Ana Mts., Skyline Drive, Black Star Canyon, 2 mi. below summit 609 Comment
  RSA476854  Quercus agrifolia Claire Kibbe 1936-07 19954 Orange Santa Ana Canyon. Comment
  RSA5283  Quercus agrifolia Carl B. Wolf, B. D. Stark 1932-12-19 4432 Orange Skyline Drive, Black Star Canyon, 2 miles below summit 610 Comment
  RSA735195  Quercus agrifolia Keith E. Hoffmaster 1934-4-8 157 Riverside Santa Ana Mts. Comment
  UCR270755  Quercus agrifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8368 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CAS-BOT-BC86440  Quercus berberidifolia P. C. Everett; E. R. Johnson 1937-11-30 9379 Orange Santa Ana Mts., Bold Meadow at head of Claymine Canyon on slopes of Sierra Peak 762 Comment
  CAS-BOT-BC86441  Quercus berberidifolia P. C. Everett; E. R. Johnson 1937-11-30 9379 Orange Santa Ana Mts., Bold Meadow at head of Claymine Canyon on slopes of Sierra Peak 762 Comment
  RSA642705  Quercus berberidifolia R. E. Riefner Jr. 2000-3-19 20 -144 Orange NCCP North Ranch Policy Plan Area. Main Divide Road; top of Gypsum Canyon, Windy Ridge. 518 Comment
  RSA663278  Quercus berberidifolia R. E. Riefner Jr. 2000-1-18 20 -103 Orange NCCP North Ranch Policy Plan Area: Main Divide Road; top of Gypsum Canyon. 518 Comment
  SEINET13297596 Image available Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8349 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR119315  Quercus berberidifolia R. E. Riefner Jr. 2000-1-18 20- 103 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon at Windy Ridge 518 Comment
  UCR119800  Quercus berberidifolia R. E. Riefner Jr. 2000-3-19 20- 144 Orange Santa Ana Mountains, North Ranch Policy Plan Area, top of Gypsum Canyon, Windy Ridge 518 Comment
  UCR231198  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39930 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  UCR270763  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8383 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR271512  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8349 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  UCR15232  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  A344681  Quercus dumosa J. T. Howell 1927-10-23 3168 Unknown Aliso Canyon, s. Punete Hills 274 Comment
  RSA148  Quercus engelmannii J. T. Howell 1927-8-7 599 San Diego Dulzura Creek. Comment
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Mar 28 2014
  RSA306  Ranunculus californicus J. T. Howell 1928-2-25 831 San Bernardino Aliso Canon, Rancho Santa Ana 213 Comment
  RSA698549  Ranunculus californicus Mabel Harvey s.n. Riverside Santa Ana Canyon. Comment
  POM201672  Ranunculus cymbalaria var. saximontanus L. M. Booth 832 Riverside near Chino Creek Comment
  RSA801993  Rhamnus crocea R. H. McArthur 1934-9-17 s.n. Orange Gypsum Canyon Comment
  CAS-BOT-BC402199  Rhamnus ilicifolia R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49703 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  CAS-BOT-BC56024  Rhamnus ilicifolia John Thomas Howell 1927-7-24 2824 Orange Sandy floor of Claymine Canyon, n. end of Santa Ana Mts. 152 Comment
  JEPS42046  Rhamnus ilicifolia John Thomas Howell 1927-7-22 2824 Orange Claymine Canyon Santa Ana Mts. 182 Comment
  RSA463  Rhamnus ilicifolia J. T. Howell 1927-7-24 465 Orange Claymine Canyon near Sierra Peak. 152 Comment
  RSA5340  Rhamnus ilicifolia B. D. Stark 1933-1-4 4492 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA790661  Rhamnus ilicifolia Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49703 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UC1121877  Rhamnus ilicifolia A. Lewis Mar 1934 338 Orange Santa Ana Canyon Corona Quad. 152 Comment
  UCR264472  Rhamnus ilicifolia S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1073 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR270307  Rhamnus ilicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8375 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CAS-BOT-BC170437  Rhus integrifolia John Thomas Howell 1927-6-18 2556 San Bernardino Aliso Canyon, southern Puente Hills near Santa Ana Canyon Comment
  RSA221023  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 306 Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CAS-BOT-BC167934  Rhus ovata John Thomas Howell 1927-7-26 2843 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 243 Comment
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  RSA403686  Rhus ovata E. Crow 1929-4-7 290 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA444  Rhus ovata J. T. Howell 1927-7-26 481 Orange Claymine Canyon near Sierra Peak. 213 Comment
  RSA787501  Rhus ovata R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49695 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  UCR115381  Rhus ovata June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UCR16586  Rhus ovata K. S. Gill 1965-4-16 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon at the foot of Skyline Drive, south of Corona 459 Comment
  UCR270306  Rhus ovata T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8372 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA162821  Ribes californicum var. californicum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past olive trees. Santa Ana Mts, N to Santa Ana River. 808 Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. 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-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  CAS-BOT-BC93072  Ribes californicum var. hesperium Carl B. Wolf 1930-1-30 1824 Orange Claymine Canyon, Santa Ana Mountains. 457 Comment
  CAS-BOT-BC93073  Ribes californicum var. hesperium Carl B. Wolf 1930-1-30 1824 Orange Claymine Canyon, Santa Ana Mountains. 457 Comment
  CAS-BOT-BC93074  Ribes californicum var. hesperium Carl B. Wolf 1931-1-30 1825 Orange Claymine Canyon, Santa Ana Mountains. 457 Comment
  LA205457  Ribes californicum var. hesperium C. B. Wolf; 1931-1-30 1824 Orange Santa Ana Mountains, Claymine Canyon 457 Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  RSA787499  Ribes californicum var. hesperium Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49707 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UC484124  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside near Corona (Hidden Canyon); Santa Ana Mts. Comment
  UC484233  Ribes californicum var. hesperium C. B. Wolf 1931-1-30 1825 Orange Claymine Canyon Santa Ana Canyon 457 Comment
  UC484234  Ribes californicum var. hesperium C. B. Wolf 1931-1-30 1824 Orange Claymine Canyon Santa Ana Mts. 457 Comment
  UCD169740  Ribes californicum var. hesperium R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49693 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  UCR23251  Ribes californicum var. hesperium John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA1738  Ribes hesperium Carl B. Wolf 1931-1-30 1824 Orange Claymine Canyon, Santa Ana Mts. 457 Comment
  CAS-BOT-BC173138  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  POM12991  Ribes indecorum P. A. Munz, I. M. Johnston 1922-5-18 5310 Orange Santa Ana River Canyon. 457 Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA439665  Ribes indecorum E. Crow 1929-2-22 213 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA5409  Ribes indecorum Carl B. Wolf 1932-12-19 4440 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA608240  Ribes indecorum Steve Boyd, Bart O Brien 1998-1-13 10074 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 883 Comment
  UCR60643  Ribes indecorum C. B. Wolf 1932-2-11 02650 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  CAS-BOT-BC168944  Ribes malvaceum James R. Shevock 1978-4-26 5899 Orange Along the divide road, FS 3S04 in the vicinity of Sierra Peak, Santa Ana Mountains, Cleveland National Forest 1097 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
  CAS-BOT-BC168949  Ribes malvaceum Carl B. Wolf 1932-2-11 2643 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  CAS-BOT-BC402201  Ribes malvaceum R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49706 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UCR16472  Ribes malvaceum I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR60639  Ribes malvaceum C. B. Wolf 1932-2-11 02643 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  A380385  Ribes malvaceum var. viridifolium C. B. Wolf 1932-2-11 2651 Unknown Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  OBI5780  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts, Hidden cyn, 5 mi W of Corona, Base of Skyline Dr Comment
  RSA1179  Ribes malvaceum var. viridifolium B. D. Stark 1930-2-21 1649 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA1335  Ribes malvaceum var. viridifolium J. T. Howell 1929-2-11 1225 Orange Claymine Canyon, Santa Ana Mts. 305 Comment
  RSA162685  Ribes malvaceum var. viridifolium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  RSA162690  Ribes malvaceum var. viridifolium J. D. Olmsted 1960-2-22 1104 Riverside Up Tin Mine Canyon, first side canyon to the left with mining lcaim past jct with Hgador Canyon, Santa Ana River. 389 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA3122  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA441471  Ribes malvaceum var. viridifolium E. Crow 1929-2-22 213 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA787498  Ribes malvaceum var. viridifolium Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49706 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  SD27979  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  UC2042139  Ribes malvaceum var. viridifolium R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49706 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  UC729694 Image available Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside 5 mi w Corona (base of Skyline Drive); Santa Ana Mts., Hidden Canyon 405 Comment
  UCD169741  Ribes malvaceum var. viridifolium R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49706 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  UCR222393  Ribes malvaceum var. viridifolium Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2219 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  CAS-BOT-BC144427  Ribes speciosum John Thomas Howell 1928-3-18 s.n. San Bernardino Aliso Canyon, s. Puente Hills on north side of the Santa Ana Canyon Comment
  CAS-BOT-BC144428  Ribes speciosum John Thomas Howell 1927-6-24 2597 San Bernardino Aliso Canyon [Canon], southern Puente Hills near the Santa Ana Canyon [Canon] 274 Comment
  CAS-BOT-BC144475  Ribes speciosum James R. Shevock 1975-4-6 4144 Riverside in the chaparral along Skyline Drive, FS road 4S12. Santa Ana Mountains, Cleveland National Forest 548 Comment
  CAS-BOT-BC173739  Ribes speciosum John Thomas Howell 1927-6-6 2451 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  CAS-BOT-BC173741  Ribes speciosum James R. Shevock 1978-4-26 5902 Orange Along FS road 3S04 between Beeks Place and Black Star Canyon Road. Santa Ana Mountains, Cleveland National Forest 914 Comment
  OBI14008  Ribes speciosum Tracey & Viola Call, Viola Call 1962-3-21 2100 Riverside Tin mine Cyn, near roaside Comment
  POM12990  Ribes speciosum P. A. Munz, I. M. Johnston 1922-5-19 5309 Riverside Santa Ana River Canyon. 457 Comment
  RSA13078  Ribes speciosum Carl B. Wolf 1935-8-1 7562 Orange Claymine Canyon, Santa Ana Mts. Comment
  RSA162822  Ribes speciosum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in west Corona, after 3 miles turn W on Chase Dr, s on Oak flat fire road for 4 miles past Olive trees at Oak Flat, Santa Ana Mts. 823 Comment
  RSA221070  Ribes speciosum E. W. Lathrop 1966-3-23 6087 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA30506  Ribes speciosum B. D. Stark 1930-1-28 11209 Orange Claymine Canyon, Santa Ana Mts. 213 Comment
  RSA351  Ribes speciosum J. T. Howell 1928-3-18 888 Orange Aliso Canon [Canyon], Rancho Santa Ana. 229 Comment
  RSA352  Ribes speciosum J. T. Howell 1928-2-6 808 Orange Claymine Canyon, Sierra Peak, Santa Ana Mts. 244 Comment
  RSA40800  Ribes speciosum G. R. Campbell 1949-3-4 12816 Orange Claymine Canyon, Santa Ana Mts. Comment
  RSA454955  Ribes speciosum E. Crow 1929-2-22 166 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA608233  Ribes speciosum Steve Boyd, Bart O'Brien 1998-1-13 10067 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 884 Comment
  RSA734881  Ribes speciosum R. H. McArthur 1934-3-17 s.n. Orange Gypsum Canyon. Comment
  RSA734883  Ribes speciosum Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  UCR108368  Ribes speciosum Steve Boyd, B. O'Brien 1998-1-13 10067 Orange Santa Ana Mtns, N end of the Santa Ana Range, head of Mabey Canyon, along Main Divide Road (3S04) about 0.5 mi north of Oak Flat 845 Comment
  UCR26636  Ribes speciosum E. W. Lathrop 1966-3-23 s.n. Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR270751  Ribes speciosum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8380 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCSB9364  Ribes speciosum Gill, Robert 1959-4-17 Riverside 8 mi south of West Corona on the Oak Flats Fire Road; Santa Ana Mt Range 822 Comment
  VVC473  Ribes speciosum P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  A381576  Romneya coulteri J. T. Howell 1927-7-22 2833 Unknown Claymine Canon, Santa Ana Mts. 182 Comment
  JEPS51547  Romneya coulteri John Thomas Howell 1927-7-22 2833 Orange Santa Ana Mountains, Claymine Canyon Claymine Canyon; Santa Ana Mountains, Claymine Canyon 182 Comment
  RSA0014610  Romneya coulteri Justin M. Wood 2010-5-12 1685 Orange Santa Ana Canyon: Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corridor, west of Green River Golf Course of bluff south of the river. 122 Comment
  RSA221054  Romneya coulteri E. W. Lathrop 1966-5-1 6255 Riverside Tin Mine Canyon, Santa Ana Mountains 3 miles west of Corona. Comment
  RSA262064  Romneya coulteri E. W. Lathrop 1966-3-23 6079 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA314  Romneya coulteri J. T. Howell 1924-7-24 472 Orange Claymine Canyon near Sierra Peak. 168 Comment
  RSA446208  Romneya coulteri M. B. Dunkle 1933-5-30 3573 Orange Santa Ana River Canyon Comment
  SBBG95105  Romneya coulteri S. D. White 1990-7-17 Orange Coal Cyn, ca. 1 mi S of the mouth of the Cyn near the Cyn bottom 274 Comment
  UC50167  Romneya coulteri H. M. Hall 1899-7-4 1280 Riverside below Corona; Santa Ana River Comment
  UC520021  Romneya coulteri Joseph Andorfer Ewan 1932-7-9 7487 Orange 4 mi below Rincon (Santa Ana River); Santa Ana River Comment
  UCR141678  Romneya coulteri June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR224309  Romneya coulteri Justin M. Wood 2010-5-12 1685 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon Wildlife Corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR264074  Romneya coulteri S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1072 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR26623  Romneya coulteri E. W. Lathrop 1966-5-1 6255 Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi. west of Corona Comment
  UCR270314  Romneya coulteri T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8345 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  CAS-BOT-BC92179  Romneya coulteri var. coulteri John Thomas Howell 1927-7-24 2833 Orange Floor of Claymine Canon [Canyon], north Santa Ana Mountains. 152 Comment
  CAS-BOT-BC92180  Romneya coulteri var. coulteri Helen D. Geis 1902-5-1 s.n. Orange Santa Ana River Canon [Canyon]. Comment
  CAS-BOT-BC92182  Romneya coulteri var. coulteri J. Ewan 1929-6-28 3625 Orange Santa Ana Canyon above Santa Ana. 609 Comment
  RSA446207  Romneya coulteri var. trichocalyx Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. Comment
  SD90151  Romneya trichocalyx Benjamin C. Stone 1953-5-1 326 Orange Chaparral above Coal Creek Canyon, near Tecate Cypress stands, Santa Ana Mountains, Orange County; 1219 Comment
  POM319683  Rorippa palustris Patricia Wilder 1971-5-13 4929 Riverside Prado Flood Control Basin at base of Prado Dam. Santa Ana River drainage area. 122 Comment
  POM324444  Rorippa palustris Greg Wright 1971-8-24 413 Riverside Santa Ana River, about 1 mi SW of Prado Dam NE of Green River Golf Club. 183 Comment
  RSA799648  Rorippa palustris Justin M. Wood 2010-9-29 2741 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  UCR188895  Rorippa palustris subsp. occidentalis Fred M. Roberts, S. Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR38761  Rorippa palustris subsp. occidentalis G. Sampson 1985-6-10 85 461 Riverside Santa Ana River, Chino Hills State Park. Comment
  CAS-BOT-BC147387  Rosa californica John Thomas Howell 1927-6-6 2445 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  RSA499273  Rosa californica Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. Comment
  RSA768248  Rosa californica Justin M. Wood 2010-5-19 1848 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  POM122727  Rubus ursinus Marcus E. Jones 1925-3-13 s.n. Riverside Santa Ana Canyon. Comment
  RSA5356  Rubus ursinus B. D. Stark 1933-1-4 4493 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  HSC17611  Rumex crispus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23072 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  UC1292604  Rumex crispus C. L. Hitchcock and C. V. Muhlick 1964-3-17 23072 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  RSA698483  Rumex hymenosepalus R. H. McArthur 1934-3-17 s.n. Orange Gypsum Canyon. Comment
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Dec 6 2008
  RSA0014449  Rumex obtusifolius Justin M. Wood 2010-3-4 1421 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  RSA0014448  Ruta chalepensis Justin M. Wood 2010-3-4 1422 Orange Santa Ana Canyon: Chino Hills State Park property just west of Green River Golf Course on buff south of the river. 131 Comment
  OBI30251  Salix Chris M. Johnson 1970-3-16 66 Riverside Outside Corona, Hwy 71, at Rancho El Hermano entrance 244 Comment
  UC846660  Salix Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prador; Santa Ana River, Prador Comment
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Oct 30 2011
  CAS-BOT-BC129712  Salix bonplandiana John Thomas Howell 1927-6-5 2423 San Bernardino Aliso Canyon [Canon], southern Puente Hills 213 Comment
  CAS-BOT-BC129739  Salix bonplandiana John Thomas Howell 1927-7-14 2773 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  POM177842  Salix exigua Marcus E. Jones 1930-3-3 26532 Orange Santa Ana Mountains. Comment
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 Comment
  UC506454  Salix exigua Carl Hedin and Joseph Ewan 1932-7-9 7676 Riverside Chico Creek near Prado (Rincon) below Corona Comment
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Dec 11 2011
  LA208639  Salix exigua var. hindsiana Carl B. Wolf; 1932-4-15 2954 Orange Santa Ana Canyon, Rancho Santa Ana, near Santa Ana River, S of pear orchard, in Botanic Garden 120.0 Comment
  LA208643  Salix exigua var. hindsiana Carl B. Wolf; 1932-4-15 2953 Orange Santa Ana Canyon, Rancho Santa Ana, near Santa Ana River, S of pear orchard, in Botanic Garden 120.0 Comment
  LA208646  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1933-3-19 7677 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  LA208648  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1932-7-9 7676 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  UC847053  Salix exigua var. hindsiana I. M. Johnston 1918-5-26 1994 Riverside nw of Cornoa; Santa Ana R. 152 Comment
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Nov 20 2011
  CAS-BOT-BC108138  Salix gooddingii John Thomas Howell 1927-7-14 2772 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  CAS-BOT-BC108139  Salix gooddingii John Thomas Howell 1927-6-6 2439 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  LA208663  Salix gooddingii Carl B. Wolf; 1932-4-8 2950 Orange Santa Ana Canyon, Rancho Santa Ana, near Santa Ana River, at SE corner of pear orchard in Botanic Garden 36 Comment
  POM319271  Salix gooddingii Patricia Wilder 1970-10-30 4829 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  RSA658950  Salix gooddingii Caralisa Breidenbaugh, Mark Breidenbaugh 1992-5-15 21 Orange 1/2 mile south of Chino Hills State Park. 168 Comment
  RSA731955  Salix gooddingii Fred M. Roberts 2007-12-12 6702 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  UCR189284  Salix gooddingii Fred M. Roberts, S. Leatherman 2007-9-19 6593 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  A382990  Salix hindsiana Ivan M. Johnston 1918-5-26 1994 Unknown Santa Ana river, n.w. of Corona Comment
  LA208724  Salix laevigata Carl B. Wolf; 1932-4-8 2949 Orange Santa Ana Canyon, Rancho Santa Ana, near Santa Ana River, at SE corner of pear orchard in Botanic Garden 120.0 Comment
  LA208733  Salix laevigata Carl Hedin; Joseph Ewan 1932-7-9 7678 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  LA208734  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7679 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  RSA135  Salix laevigata J. T. Howell 1927-6-5 27 San Bernardino Aliso Canyon, Rancho Santa Ana. 152 Comment
  UC506447  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-19 7679 Riverside Comment
  UC506453  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7678 Riverside near Prado (below Corona); China Creek Comment
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Dec 11 2011
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  POM122787  Salix lasiolepis Marcus E. Jones 1926-3-10 s.n. Orange Near Santa Ana Canyon. Comment
  POM319099  Salix lasiolepis Patricia Wilder 1970-10-30 4830 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  CAS-BOT-BC128377  Salix lasiolepis var. lasiolepis Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prada Comment
  CAS-BOT-BC128461  Salix lasiolepis var. lasiolepis Marcus E. Jones 1930-3-3 25527 Orange Santa Ana Mountains Comment
  CAS-BOT-BC128467  Salix lasiolepis var. lasiolepis John Thomas Howell 1927-7-14 2771 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  CAS-BOT-BC126302  Salix sessilifolia John Thomas Howell 1927-6-6 2440 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  POM17835  Salsola tragus P. A. Munz 1923-9-6 7725 San Bernardino Rincon. 183 Comment
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Jul 16 2014
  UC520004  Salvia apiana J. A. Ewan 1932-7-9 7489 Orange small ravine 4 mi below Rincon; Santa Ana River Comment
  RSA411363  Salvia carduacea N. C. Cooper 1948-4-21 2695 Los Angeles Littlerock Reservoir. 762 Comment
  OBI30185  Salvia columbariae Chris M. Johnson 1970-3-16 65 Riverside On hwy 77 5 mi outside of Corona at Rancho Hermano entrance Comment
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Mar 22 2014
  OBI8239  Salvia columbariae David J. Keil, Malcolm McLeod 1977-3-26 12007 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  SBBG54974  Salvia columbariae D. Keil, M. McLeod 1977-3-26 12007 Riverside 0.2 mi W of Prado Dam on Hwy 71 182 Comment
  CAS-BOT-BC229978  Salvia mellifera C. L. Hitchcock; C. V. Muhlick 1964-3-17 23066 Orange 8 miles e. of Yorba Linda, Santa Ana Canyon Comment
  HSC14361  Salvia mellifera C. L. Hitchcock, C. V. Muhlick 1964-3-17 23066 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  RSA608239  Salvia mellifera Steve Boyd, Bart O'Brien 1998-1-13 10073 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 884 Comment
  SBBG45102  Salvia mellifera E. R. Johnson 1935-1-14 Orange open firebreak on slopes of Sierra Pk, along rd to Claymine Cyn 609 Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  UC1124804  Salvia mellifera A. Lewis 1934-3-3 315 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. 609 Comment
  UC1292282  Salvia mellifera C. L. Hitchcock and C. V. Muhlick 1964-3-17 23066 Orange 8 mi e Yorba Linda; Santa Ana Canyon Comment
  UCR251869  Salvia mellifera M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR271516  Salvia mellifera T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8358 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  RSA659  Salvia spathacea J. T. Howell 1928-4-14 914 San Bernardino Aliso Canyon, Rancho Santa Ana. 229 Comment
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Jan 22 2016
  CSUSB687  Sambucus cerulea Nancy Robb 1966-4-15 Orange 4 miles southeast of Yorba Linda, 500 yards off Santa Ana Canyon Road. 121 Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  RSA477580  Sambucus mexicana Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. 1372 Comment
  RSA601891  Samolus parviflorus Louis C. Wheeler 1933-5-28 1746 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA601893  Samolus parviflorus Louis C. Wheeler 1932-9-4 1359 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA470833  Sanicula arguta E. Crow 1929-4-7 318 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA48925  Sanicula arguta P. A. Munz 1949-5-26 13378 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA533  Sanicula bipinnata J. T. Howell 1928-3-18 887 San Bernardino Aliso Canon, Rancho Santa Ana. 229 Comment
  POM122936  Sanicula crassicaulis Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA48923  Sanicula crassicaulis P. A. Munz 1949-5-26 13380 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA535  Sanicula crassicaulis J. T. Howell 1928-4-14 907 San Bernardino Aliso Canyon, Rancho Santa Ana. 213 Comment
  UC1424822  Sanicula graveolens E. W. Lathrop 1977-4-20 7611 Riverside 4 mi w of Corona (Summit of Santiago Peak, Skyline Drive, between Tin Mine Canyon and Santiago Peak, Skyline Drive); Santa Ana Mountains, Santiago Peak, Skyline Drive Comment
  IRVC9348  Sarcostemma cynanchoides subsp. hartwegii R. Yarnell 159 Orange Santa Ana Canyon, Old RSA Botanical Garden. Chino Hills Comment
  IRVC19942  Schismus barbatus Gordon A. Marsh, Karlin G. Marsh 1983-5-2 s.n. Orange Burn area between Coal Canyon and Gypsum Canyon. Santa Ana Mountains 421 Comment
  CAS-BOT-BC111386  Schoenoplectus acutus var. occidentalis Louis C. Wheeler 1932-9-4 1337 Riverside Santa Ana R. at Chino Creek 182 Comment
  UCR129353  Schoenoplectus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Santa Ana River Valley, along road on south side of Prado Flood Control Basin east of Prado Dam, east of Chino Hills 152 Comment
  POM1408  Schoenoplectus americanus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  POM184659  Schoenoplectus americanus L. C. Wheeler 1932-9-4 1336 Riverside Santa Ana River at Chino Creek. 183 Comment
  UCSB55399  Schoenoplectus americanus Wheeler, Louis 1932-9-4 Riverside Santa Ana River; at Chino Creek 182 Comment
  POM1387  Schoenoplectus californicus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  POM78962  Schoenoplectus californicus I. M. Johnston 1925-7-7 5280 Riverside Santa Ana River (Hammer s Spring River Ranch), ca. 1 mile above Corona-Ontario Road Bridge. 183 Comment
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Jul 10 2015
  POM153379  Scirpus acutus var. occidentalis Phillip A. Munz, I. M. Johnston 1928-9-12 11262 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  POM184658  Scirpus acutus var. occidentalis L. C. Wheeler 1932-9-4 1337 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  POM319709  Scirpus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA747274  Scrophularia Orlando Mistretta 1992-6-10 530 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA647958  Scrophularia californica Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 25 Orange 1/2 mile south of Chino Hills State Park. 168 Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  CAS-BOT-BC61962  Selaginella John Thomas Howell 1927-6-26 2611 Orange Claymine Canyon, n. Santa Ana Mts. 457 Comment
  CAS-BOT-BC61963  Selaginella John Thomas Howell 1927-7-24 2834 Orange side of Calymine Canyon, n. Santa Ana Mts. 152 Comment
  CAS-BOT-BC61966  Selaginella John Thomas Howell 1937-7-22 2834 Orange Claymine Canyon, Santa Ana Mts. 182 Comment
  POM210021  Selaginella bigelovii John Thomas Howell 1927-7-22 2834 Orange Claymine Canyon, Santa Ana Mts. 182 Comment
  RSA15  Selaginella bigelovii John Thomas Howell 1927-7-24 473 Orange Claymine Canyon, near Sierra Peak 167 Comment
  RSA518450  Selaginella bigelovii C. W. Tilforth, Dorothy Tilforth 1977-3-6 1254 Orange Small canyon west of Gypsum Canyon, south side of Santa Ana River, Santa Ana Canyon 152 Comment
  SBBG27191  Selaginella bigelovii J. T. Howell 1927-7-22 2834 Orange Claymine Cyn 182 Comment
  SEINET179622 Image available Selaginella bigelovii J. T. Howell 1927-7-22 2834 Orange Claymine Canyon Santa Ana Mtns 183 Comment
  SEINET3864015 Image available Selaginella bigelovii J. T. Howell 1927-7-22 s.n. Orange Claymine Canyon, Santa Ana Mts.; 0 183 Comment
  UC534961  Selaginella bigelovii John Thomas Howell 1927-7-22 2834 Orange Claymine Canyon; Santa Ana Mts. 182 Comment
  UC534969  Selaginella bigelovii John Thomas Howell 1927-7-22 2834 Orange Claymine Canyon; Santa Ana Mts. 182 Comment
  CAS-BOT-BC333070  Senecio flaccidus var. douglasii John Thomas Howell 1927-7-16 2779 Orange North side of Santa Ana Canyon 152 Comment
  SEINET3143117  Senecio flaccidus var. douglasii W. B. Crockatt sn Riverside Prado 91 Comment
  RSA791870  Senecio vulgaris R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49646 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  CAS-BOT-BC174886  Silene laciniata John Thomas Howell 1927-6-26 2598 Orange Claymine [Canon] Canyon , n. Santa Ana Mts. 304 Comment
  CAS-BOT-BC174888  Silene laciniata J. C. Roos 1965-6-19 s.n. Riverside Sky Line Drive, south of Corona. Santa Ana Mtns. Comment
  CLARK-A1528-2466  Silene laciniata John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  RSA659696  Silene laciniata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA784842  Silene laciniata J. D. Olmsted 1958-6-10 159 Riverside Santa Ana Mountains. Oak Flat Fire road 2 miles NE of Oak Flat and 7 miles SW of Corona (turn from US at Lincoln in South Corona by pottery shop). 777 Comment
  UCSB42107  Silene laciniata subsp. laciniata Roos, John 1981-07 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA288  Silene laciniata subsp. major J. T. Howell 1927-6-26 217 Orange Claymine Canyon near Sierra Peak 305 Comment
  RSA507174  Silene laciniata subsp. major Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  RSA591749  Silene laciniata subsp. major J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA263776  Silybum marianum Robert Harvey 1958-4-23 57 Riverside Tin Mine Canyon area, Corona Comment
  SEINET3148929  Silybum marianum W. B. Crockatt sn Riverside Prado 91 Comment
  UCR264077  Simmondsia chinensis S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1070 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA769502  Sisymbrium irio Justin M. Wood 2010-1-5 1407 Riverside City of Corona: Pomona-Rincon Rd, 0.2 miles N of intersection with Railroad St. 165 Comment
  UCR224388  Sisymbrium irio Justin M. Wood 2010-1-5 1407 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  RSA789587  Sisymbrium officinale R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49659 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  CSUSB36  Sisyrinchium bellum Holzmiller Riverside Santa Ana Canyon Santa Ana Canyon; 1.5 miles on road entrance from Murrieta. 304 Comment
Read comments
Sep 29 2011
  IRVC20989  Sitanion jubatum Karlin G. Marsh 1981-6-15 s.n. Orange Divide between Weir and Gypsum Canyons. Santa Ana Mountains Comment
  POM319104  Solanum americanum Patricia Wilder 1970-10-15 4754 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA800665  Solanum americanum Justin M. Wood 2010-9-29 2745 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UC519980  Solanum americanum Louis C. Wheeler 1933-7-27 2041 Riverside Santa Ana River at Chino Creek Santa Ana River; Santa Ana River. Chino Creek 152 Comment
  UCR189285  Solanum americanum Fred M. Roberts, S. Leatherman 2007-9-19 6584 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CDA5933  Solanum dimidiatum O. Slade 1954-9-1 Riverside Prado siding, Santa Fe Railroad, near Corona. 0 Comment
  HSC21298  Solanum douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23063 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  RSA422442  Solanum douglasii Louis C. Wheeler 1933-7-27 2042 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA647960  Solanum douglasii Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 7 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  UC1125193  Solanum douglasii A. Lewis Mar 1934 337 Orange Santa Ana Canyon 121 Comment
  UC1292575  Solanum douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23063 Orange 8 mi e of Yorba Linda (Santa Ana Canyon); Santa Ana Canyon Comment
  NY821424  Solanum nigrum C. L. Hitchcock 1964-3-17 23063 Orange 8 mi. E. of Yorba Linda, Santa Ana Canyon Comment
  CAS-BOT-BC156675  Solanum umbelliferum P. A. Munz; R. D. Harwood 1920-2-28 3250 Riverside 3 mi. W. of Corona 335 Comment
  RSA427453  Solanum umbelliferum E. Crow 1929-2-22 169 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA507482  Solanum umbelliferum Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  RSA5287  Solanum umbelliferum Carl B. Wolf 1932-12-19 4444 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA553111  Solanum umbelliferum Fred M. Roberts Jr. 1989-5-9 4342 Orange Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91. 146 Comment
  RSA733740  Solanum umbelliferum Kenneth Beard 1934-03 s.n. Riverside Corona Sky-line drive Comment
Read comments
Oct 31 2011
  UC1125059  Solanum umbelliferum A. Lewis 1934-2-1 266 Orange Santa Ana Canyon 152 Comment
  UC219155  Solanum umbelliferum Munz and Harwood 1925-2-28 3250 Riverside 3 mi w of Corona 335 Comment
  UCR270309  Solanum umbelliferum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8378 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA0039365  Solanum virginianum Justin M. Wood 2013-9-5 5120 Orange Santa Ana Canyon: Between the Santa Ana River and the Green River Golf Course, in a recently planted restoration area. Roughly 0.5 miles west of the Riverside County Line. 127 Comment
  NY820545  Solanum xanti P. A. Munz 1920-2-28 3250 Unknown 3 mi. W. of Corona 335 Comment
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Aug 14 2010
  RSA787502  Solanum xanti Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49696 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  RSA263728  Solidago californica E. W. Lathrop 1966-5-17 6519 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive Comment
  UCD136089  Solidago velutina subsp. californica E. W. Lathrop 1966-5-17 6519 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Santa Ana Mountains. Comment
  RSA0014607  Spergularia marina Justin M. Wood 2010-5-12 1683 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  UC421601  Stachys ajugoides var. rigida John Thomas Howell 1927-7-3 2644 Orange Claymine Canyon Santa Ana Mtns Comment
  POM201673  Stachys albens L. M. Booth 831 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  RSA446612  Stachys albens Louis C. Wheeler 1932-7-9 927 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC519973  Stachys albens Louis C. Wheeler 1932-7-9 927 Riverside at Chino Creek Santa Ana River 152 Comment
  RSA679  Stachys rigida subsp. quercetorum J. T. Howell 1928-4-14 910 Orange Aliso Canyon, Rancho Santa Ana. 229 Comment
  RSA263782  Stachys rigida subsp. rigida Robert Harvey 1958-4-23 s.n. Riverside Tin Mine Canyon, Corona. Comment
  POM49370  Stachys stebbinsii F. W. Peirson 1924-6-2 s.n. Riverside Near foot of Temescal canyon. Comment
  RSA294  Stellaria nitens J. T. Howell 1928-3-18 885 San Bernardino Aliso Canon, Rancho Santa Ana. [Orange County] 229 Comment
  RSA747279  Stephanomeria Orlando Mistretta 1992-6-10 s.n. Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  SD240905  Stephanomeria diegensis A. C. Sanders, T. B. Salvato, Kent Bearman 2011-11-3 39929 Riverside Peninsular Range; Santa Ana Mountains: near Sierra Peak on dirt toad (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line (Black Star Canyon 7.5'Q) 883 Comment
  UCR231197  Stephanomeria diegensis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39929 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  POM320334  Stephanomeria virgata Patricia Wilder 1970-10-30 4821 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  UCR270311  Stipa coronata T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8354 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR270759  Stipa lepida T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8353 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  HSC13368  Stipa pulchra C. L. Hitchcock, C. V. Muhlick 1964-3-17 23070 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  CAS-BOT-BC402192  Styrax redivivus R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49686 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  CAS-BOT-BC48096  Styrax redivivus C. B. Wolf; B. D. Stark 1932-12-19 10014 Orange Main divide of Santa Ana Mts., between Sierra Peak & Skyline Drive. 914 Comment
  RSA160522  Styrax redivivus J. D. Olmsted 1959-4-17 401 Riverside Main Divide Motorway 50 yd. south of Sierra Pk. Gaurd Station along Main Divide Motorway; 9.5 SW of Corona. 854 Comment
  RSA5402  Styrax redivivus Carl B. Wolf 1932-12-19 4441 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA733732  Styrax redivivus Keith E. Hoffmaster 1934-4-8 152 Riverside Santa Ana Mts. Comment
  UCD169760  Styrax redivivus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49686 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA749  Symphoricarpos mollis J. T. Howell 1928-4-14 909 Orange Aliso Canyon, Rancho Santa Ana. 228 Comment
  RSA0014447  Tamarix chinensis Justin M. Wood 2010-3-4 1423 Orange Santa Ana Canyon: Santa Ana River floodplain, 0.25 mi north of Coal Canyon wildlife corridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCR224305  Tamarix chinensis Justin M. Wood 2010-3-4 1423 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon Wildlife Corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  UCR132887  Tamarix ramosissima G. Sampson 1985-4-20 85- 321 Riverside Chino Hills State Park, side channel of the Santa Ana River Comment
  RSA49094  Tauschia arguta P. A. Munz 1949-5-26 13376 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA538  Tauschia arguta J. T. Howell 1927-6-26 220 Orange Claymine Canyon near Sierra Peak 366 Comment
  SD90199  Tauschia arguta Benjamin C. Stone 1953-5-1 327 Orange Coal Creek Canyon, Santa Ana Mountains. 1064 Comment
  CAS-BOT-BC340029  Tetradymia comosa John Thomas Howell 1927-7-24 2831 Orange Floor of Claymine Canon [Canyon], n. Santa Ana Mts. 152 Comment
  CAS-BOT-BC340042  Tetradymia comosa B. D. Stark 1930-2-21 1477 Riverside Hidden Canyon, Santa Ana Mts. near Corona Comment
  RSA1357  Tetradymia comosa B. D. Stark 1930-2-21 724 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA747277  Tetradymia comosa Orlando Mistretta 1992-6-10 514 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA696363  Thysanocarpus laciniatus Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA536  Torilis nodosa J. T. Howell 1927-6-5 28 San Bernardino Aliso Canyon, Rancho Santa Ana. 152 Comment
  GH347299  Toxicodendron diversilobum M. E. Jones 1926-3-13 Unknown Santa Ana Canon Comment
  UCD169809  Toxicoscordion fremontii R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49661 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 430 Comment
  POM201681  Tribulus terrestris L. M. Booth 823 Riverside Hard roadside. Comment
  A402392  Trichostema lanatum J. T. Howell 1927-6-26 2596 Unknown Claymine Canyon, n. Santa Ana Mts. 304 Comment
  CAS-BOT-BC220818  Trichostema lanatum John Thomas Howell 1927-6-26 2596 Orange Claymine Canon [Canyon], n. Santa Ana Mts. 304 Comment
  GH402383  Trichostema lanatum P. A. Munz 1923-7-8 7328 Unknown Santa Ana River Canyon, 3 miles from county line Comment
  RSA12897  Trichostema lanatum E. R. Johnson 1935-1-14 62287 Orange Ridge between Sierra Pk. and Skyline Drive, Santa Ana Mtns. 854 Comment
  RSA160459  Trichostema lanatum John Olmsted 1958-6-10 161 Riverside 10 miles SW of Corona on Oak Flat fire road and 1 mile past Oak Flat towards Sierra Peak. (Turn S in Corona from US onto Lincoln). 869 Comment
  RSA443835  Trichostema lanatum Gordon Marsh, Karlin G. Marsh 1978-10-6 s.n. Orange Santa Ana Mountains: Coal Canyon; W section by Bench Mark #3R-14-68. 266 Comment
  RSA5285  Trichostema lanatum Carl B. Wolf 1932-12-19 4437 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA660534  Trichostema lanatum Orlando Mistretta 1992-6-10 526 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA701  Trichostema lanatum J. T. Howell 1927-6-26 216 Orange Claymine Canyon near Sierra Peak 305 Comment
  SD90185  Trichostema lanatum Benjamin C. Stone 1953-5-1 322 Orange Recently burned chaparral on slopes above Coal Creek Canyon. 1219 Comment
  UCR217286  Trichostema lanatum Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2215 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  RSA795234  Trichostema lanceolatum Justin M. Wood 2010-9-29 2737 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  SD251239  Trichostema lanceolatum Justin M. Wood 2010-9-29 2737 Orange Santa Ana Canon: Santa Ana River, southwest of Green River Golf Course and north of Highway 91 and Santa Ana River Trail. 128 Comment
  IRVC22982  Trifolium fragiferum Gordon A. Marsh, K. G. Marsh 1986-8-9 s.n. Orange Yorba Linda; Santa ANa Canyon, Green River Golf course above the Santa Ana River. Southern Coastal 124 Comment
  RSA612160  Trifolium willdenovii Louis C. Wheeler 1932-7-9 933 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM78934  Typha domingensis I. M. Johnston 1925-7-7 s.n. Riverside Santa Ana River (Hammer's Spring River Ranch), ca. 1 mile above Corona-Ontario Road Bridge. 183 Comment
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Jul 10 2015
  UC520017  Typha domingensis Joseph Andorfer Ewan 1932-7-9 7483 Orange along Santa Ana River banks 4 mi below Rincon (Prado); Santa Ana River Comment
  POM319721  Typha latifolia Patricia Wilder 1970-10-30 4842 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  CAS-BOT-BC91053  Umbellularia californica John Thomas Howell 1927-7-3 2641 Orange In upper part of Claymine Canon [Canyon], north Santa Ana Mountains. 457 Comment
  RSA310  Umbellularia californica J. T. Howell 1927-7-3 259 Orange Clymine Canyon, near Siera Peak 457 Comment
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Aug 29 2013
  RSA5341  Umbellularia californica B. D. Stark 1933-1-4 4494 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. Altitude 1000-1500 ft. 305 Comment
  CAS-BOT-BC404204  Urtica dioica subsp. holosericea John Thomas Howell 1927-10-23 3169 San Bernardino Aliso Canon [Canyon] in southern Puente Hills near the Santa Ana Canon [Canyon] 198 Comment
  RSA174  Urtica dioica subsp. holosericea J. T. Howell 1927-10-23 767 San Bernardino Aliso Canon, Rancho Santa Ana 213 Comment
  RSA519221  Utricularia vulgaris subsp. macrorhiza M. Lee Overholtzer 1960-7-20 75 Riverside Irrigation ditch on upper Drive Corona, Santa Ana Mts, Santa Ana river. Comment
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Feb 24 2013
  RSA0014608  Verbena tenuisecta Justin M. Wood 2010-5-12 1684 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA736763  Veronica anagallis-aquatica Scott D. White, Lynn Stafford 2007-7-5 11755 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA800667  Veronica anagallis-aquatica Justin M. Wood 2010-9-29 2743 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UC1929854  Veronica anagallis-aquatica Scott D. White, Lynn Stafford 2007-7-5 11755 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR199780  Veronica anagallis-aquatica Scott D. White, Lynn Stafford 2007-7-5 11755 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR4095  Veronica anagallis-aquatica Carole Sims 1965-3-25 s.n. Riverside Santa Ana River Valley, Sandy south bank of Green River in area c. 100 yds east of Green River Shell Service Station, just before the Orange Co line of Riverside Fwy (91) 213 Comment
  RSA220983  Vicia americana E. W. Lathrop 1966-3-23 6117 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  RSA388  Vicia americana J. T. Howell 1928-3-18 882 San Bernardino Aliso Canyon, Rancho Santa Ana. 244 Comment
  CSUSB293  Viola pedunculata Holzmiller 1966-4-22 Riverside Santa Ana Canyon, near ranger station. 304 Comment
  POM88655  Viola pedunculata Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA221088  Viola pedunculata E. W. Lathrop 1966-4-28 6232 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  RSA412707  Viola pedunculata E. Crow 1929-4-7 297 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA733707  Viola pedunculata Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  RSA733816  Viola pedunculata R. H. McArthur 1934-2-17 s.n. Orange Gypsum Canyon. Comment
  UC1121611  Viola pedunculata A. Lewis Feb 1934 263 Orange Santa Ana Canyon 152 Comment
  LA83276  Vitis girdiana O. H. Kappler; 1945-6-15 872 Orange Santa Ana Canyon 152 Comment
  POM158182  Vitis girdiana Philip A. Munz, I. M. Johnston 1928-9-6 11268 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA731956  Vitis girdiana Fred M. Roberts 2007-12-12 6701 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA584703  Vulpia microstachys var. pauciflora Fred M. Roberts, Carol A. Roberts 1989-5-11 4351 Orange Upper Gypsum Canyon, along ridge road, 5.6km SW Sierra Peak 472 Comment
  RSA787504  Vulpia myuros var. hirsuta R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49712 Orange Northern Santa Ana Mountains: Sierra Peak 900 Comment
  POM78932  Wolffiella lingulata I. M. Johnston 1925-7-7 5282 Riverside Santa Ana River (Hammer s Spring River Ranch), ca. 1 mile above Corona-Ontario Road Bridge. 183 Comment
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Jul 10 2015
  CAS-BOT-BC383753  Xanthium strumarium Philip A. Munz 1935-10-21 14656 San Bernardino Rincon Comment
  CAS-BOT-BC383755  Xanthium strumarium Philip A. Munz 1935-10-21 14656 San Bernardino Rincon Comment
  POM153381  Xanthium strumarium P. A. Munz, I. M. Johnston 1928-9-12 11263 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  POM224745  Xanthium strumarium P. A. Munz 1935-10-21 14656 San Bernardino Rincon Comment
  UC582822  Xanthium strumarium Philip A. Munz 1935-10-21 14656 San Bernardino Rincon Comment
  UCR3181  Yucca whipplei Chuck Elliott 1964-5-15 s.n. Orange 0.25 mi [west of] past [Riverside] county line on Hwy 91 toward beach into Orange County 244 Comment
  CAS-BOT-BC402188  Zigadenus fremontii R. F. Thorne; E. W. Lathrop; W. Wisura 1977-4-27 49661 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA162803  Zigadenus fremontii J. D. Olmsted 1959-4-14 375 Riverside 2 mi. SE of Oak Flat near Orange Co. boundary along side of Santiago Pk. fire rd., Santa Ana Mountains 1067 Comment
  RSA263750  Zigadenus fremontii E. W. Lathrop 1968-5-17 6888 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  RSA49095  Zigadenus fremontii Philip A. Munz 1949-5-26 13376 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA734219  Zigadenus fremontii Keith E. Hoffmaster 1934-4-8 154 Riverside Santa Ana Mts. Comment
  UCR115379  Zigadenus fremontii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment



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