33.79560 33.89560 -117.71360 -117.61360 UC/JEPS: Consortium Search Results
Search Results — 2715 specimen records retrieved (2715 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  HSC79051  Acalypha californica Steve Boyd, L. F. LaPre 1981-5-27 Orange N end of the Santa Ana Mtns., along powerline road on ridges E of Weir Canyon and at the head of Gypsum Canyon Comment
  IRVC9186  Acalypha californica C. A. Taylor 1966-5-18 66 -118 Orange Santa Ana Canyon, Old Rancho Santa Ana Botanic Garden site; full sun on flats and slopes. Chino Hills Comment
  RSA337340  Acalypha californica Steve Boyd, L. LaPre 1981-5-27 s.n. Orange N end of the Santa Ana Mountains along power line road on ridges E of Weir Canyon and the head of Gypsum Canyon. Comment
  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
  RSA696452  Acer macrophyllum Keith E. Hoffmaster 1934-4-8 138 Riverside Santa Ana Mts. Comment
  RSA771  Achillea millefolium var. californica John T. Howell 1927-6-24 208 San Bernardino Aliso Canyon, Rancho Santa Ana. 366 Comment
  RSA71  Achnatherum coronatum J. T. Howell 1927-6-2 14 Orange Sandstone Ridge, Botany Garden, RSA. 152 Comment
  RSA171080  Acourtia microcephala R. F. Thorne 1963-7-26 32855 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Cleveland National Forest. 732 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
  UCR230219  Adenostoma fasciculatum Dick Newell, Ed Hill 2011-3-29 102 Orange Peninsular Range; Santa Ana Mtns., 200 yards NE of old coal mine, under power lines, off Coal Rd. below intersection with Upper Blind Cyn. Rd. 482 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
  RSA357  Adenostoma fasciculatum var. fasciculatum J. T. Howell 1928-4-15 919 Orange East boundary of the Rancho Santa Ana 229 Comment
  RSA358  Adenostoma fasciculatum var. fasciculatum J. T. Howell 1927-7-29 515 Orange Near east boundary of Rancho Santa Ana. 152 Comment
  RSA5280  Adenostoma fasciculatum var. fasciculatum B. D. Stark 1932-12-15 1700 Orange Rancho Santa Ana 145 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
  UCR264078  Adiantum capillus-veneris S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1080 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 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
  RSA2  Adiantum jordanii J. T. Howell 1927-6-17 158 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA649846  Adiantum jordanii D. E. Bramlet 2000-4-12 2979 Orange Tributary to Fremont Canyon. the site is 396m northwest of the Edison Spur road and 1.2km southeast of the Fremont ridge road. The locality is 305m southwest of knoll 1515. 372 Comment
  RSA739331  Adiantum jordanii Keith E. Hoffmaster 1928-1-26 29 Orange Santa Ana Mtns Comment
  RSA783270  Adiantum jordanii J. D. Olmsted 1959-4-23 458 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 716 Comment
  SBBG101679  Agoseris grandiflora S. Boyd with Mistretta 1991-5-9 6198 Orange crest of range at Oak Flat, SE of Sierra Pk, just W of Riverside County line 822 Comment
  UC1595640  Agoseris grandiflora Steve Boyd and Orlando Mistretta 1991-5-9 6198 Orange Santa Ana Mountains, crest of range at Oak Flat, SE of Sierra Peak, just W of Riverside County line. Comment
  RSA543967  Agoseris grandiflora var. grandiflora Steve Boyd, Orlando Mistretta 1991-5-9 6198 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  SEINET241816  Agrostis gigantea J. T. Howell 68 Orange CULTIVATED; Botany Garden, Rancho Santa Ana. 152 Comment
  A347629  Ailanthus altissima E. R. Johnson 1932-05-01 - 1932-06-01 3704 Unknown Rancho Santa Ana, Santa Ana Canyon, Aliso Canyon 182 Comment
  CAS-BOT-BC64519  Ailanthus altissima E. R. Johnson 1932-5-1 3704 Orange Rancho Santa Ana, Santa Ana Canyon. Aliso Canyon. 182 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
  RSA162777  Allium peninsulare J. D. Olmsted 1959-4-30 512 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. Irvine Res. Drainage Area. 793 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
  RSA783224  Allophyllum glutinosum J. D. Olmsted 1959-4-30 501 Riverside Foot of Spring Trail at Beacon Pines Ranch SW of Corona; 20 yards east of spring, Santa Ana River drainage 716 Comment
  CAS-BOT-BC170688  Alnus rhombifolia John Thomas Howell 1927-7-21 2810 Orange Santa Ana River bottom, Santa Ana Canon [canyon] 152 Comment
  RSA144  Alnus rhombifolia J. T. Howell 1927-7-21 452 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA220966  Alnus rhombifolia E. W. Lathrop 1966-3-23 6100 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA5391  Alnus rhombifolia B. D. Stark 1932-12-30 1717 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  RSA696427  Alnus rhombifolia Keith E. Hoffmaster 1930-3-9 269 Orange Santa Ana Mts. Comment
  UC1543134  Alnus rhombifolia Donald G. Nelson 1938-12-26 Orange in creek bottom near Myers Ranch; Santa Ana Mountains, Black Star Canyon, Black Star Creek Comment
  UCR26948  Alnus rhombifolia E. W. Lathrop 1966-3-23 6100 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon Comment
  RSA696429  Amaranthus blitoides Keith E. Hoffmaster 1933-10-1 334 Orange Near Tustin 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
  RSA274  Amaranthus powellii J. T. Howell 1927-7-27 502 Orange Near ranch, Rancho Santa Ana 152 Comment
  IRVC22955  Amblyopappus pusillus Karlin G. Marsh 1986-10-18 Orange Santa Ana Canyon, Featherly Park; in sandy wash. Yorba Linda Comment
  CAS-BOT-BC13606  Ambrosia acanthicarpa Ira L. Wiggins 1965-11-6 20351 Orange Near Well No. 14, Kraemer Oil Estates, near end of road leading to Rancho Santa Ana. Comment
  CAS-BOT-BC13608  Ambrosia acanthicarpa John Thomas Howell 1927-10-22 3164 Orange In Santa Ana River bottom, Santa Ana Canyon 152 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
  RSA12823  Ambrosia acanthicarpa E. R. Johnson 1934-12-5 6256 Orange Rancho Santa Ana, Santa Ana Canyon. 137 Comment
  RSA184184  Ambrosia acanthicarpa I. L. Wiggins 1965-11-6 20351 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA854  Ambrosia acanthicarpa J. T. Howell 1927-10-22 762 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  RSA264443  Ambrosia chenopodiifolia C. W. Tilforth 1976-10-21 1229 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
  CAS-BOT-BC45061  Ambrosia psilostachya Ira L. Wiggins 1965-11-6 20346 Orange Roadside near well no. 14, Kraemer Oil Estates, near end of county road leading to Rancho Santa Ana. Comment
  CAS-BOT-BC45064  Ambrosia psilostachya John Thomas Howell 1927-9-24 3121 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  JEPS41035  Ambrosia psilostachya J. Thomas Howell 1927-9-24 3121 Orange at, Santa Ana River bottom Rancho Santa Ana; Santa Ana River 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
  RSA769  Ambrosia psilostachya J. T. Howell 1927-10-29 773 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA770  Ambrosia psilostachya J. T. Howell 1927-9-24 754 Orange Santa Ana River Bottom, Rancho Santa Ana 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
  RSA160512  Amorpha californica J. D. Olmsted 1959-4-30 508 Riverside Near county line north of Hidden Ranch 100 yards NW of Rattlesnake rock on Black Star Canyon Road; 5 miles east of Irvine Reservoir. 732 Comment
  RSA485153  Amorpha californica var. californica E. R. Johnson 1929-10-1 636 Orange Rancho Santa Ana. Comment
  CAS-BOT-BC177254  Amorpha fruticosa B. D. Stark 1931-10-17 2463 Orange Santa Ana River bottom, Rancho Santa Ana, Santa Ana Canyon 137 Comment
  CAS-BOT-BC177255  Amorpha fruticosa B. D. Stark 1931-10-17 2463 Orange Rancho Santa Ana, Santa Ana Canyon 137 Comment
  CAS-BOT-BC177257  Amorpha fruticosa John Thomas Howell 1927-6-6 2449 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  JEPS35488  Amorpha fruticosa John Thomas Howell 1927-6-6 2449 Orange Rancho Santa Ana Santa Ana Canyon, Santa Ana River bottom 152 Comment
  RSA30674  Amorpha fruticosa L. C. Wheeler 1932-7-9 939 Riverside Santa River canyon 3 miles below Prado. 137 Comment
  RSA3304  Amorpha fruticosa B. D. Stark 1931-10-17 1332 Orange Rancho Santa Ana, Santa Ana Canyon. 137 Comment
  RSA378  Amorpha fruticosa J. T. Howell 1927-6-6 49 Orange Santa Ana River bottom, Rancho Santa Ana. 152 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
  UC527692  Amorpha fruticosa B. D. Stark 1931-10-17 2463 Orange Santa Ana Canyon Rancho Santa Ana 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
  RSA572  Anagallis arvensis J. T. Howell 1927-7-27 s.n. Orange Santa Ana River, Rancho Santa Ana. 152 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
  RSA768  Anthemis cotula J. T. Howell 1927-7-18 425 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA697  Antirrhinum coulterianum J. T. Howell 1927-6-5 34 Orange Rancho Santa Ana, near east boundary. 152 Comment
  POM7664  Antirrhinum kelloggii Philip A. Munz, R. D. Harwood 1920-4-24 3785 Orange Sierra [Freemont] Canyon 366 Comment
Read comments Sep 17 2011
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  CAS-BOT-BC354305  Antirrhinum multiflorum R. E. Riefner, Jr. 2007-6-29 07 -286 Orange Irvine Ranch Reserve, North Irvine Ranch, East Fork of upper Fremont Canyon along Black Star SCE Rd. 594 Comment
  CHSC101739  Antirrhinum multiflorum R. E. Riefner Jr. 2008-7-21 08 -2248 Orange Irvine Ranch Reserve, North Irvine Ranch, middle Fremont Canyond, east slope along Black Star SCE Rd. UTM: 11S 0437874E 370552N. 717 Comment
Read comments Dec 14 2012
  RSA0009199  Antirrhinum multiflorum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6533 Orange Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch. 739 Comment
  RSA725573  Antirrhinum multiflorum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6528 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA737890  Antirrhinum multiflorum R. E. Riefner 2008-5-15 09 -83 Orange Irvine Ranch Reseve, N Irvine Ranch, E Fork cliffs at upper Fremont Canyon along Black Star SCE road. 610 Comment
  RSA737891  Antirrhinum multiflorum R. E. Riefner 2008-6-3 08 -139 Orange Irvine Ranch Reseve, N Irvine Ranch, E Fork cliffs at upper Fremont Canyon along Black Star SCE road. Irvine Ranch Reseve, N Irvine Ranch, E Fork cliffs at upper Fremont Canyon along Black Star SCE road. 618 Comment
  RSA737892  Antirrhinum multiflorum R. E. Riefner 2008-7-21 08 -248 Orange Irvine Ranch Reseve, N Irvine Ranch, middle Fremont Canyon, E slope along Black Star SCE road. 718 Comment
  RSA737898  Antirrhinum multiflorum R. E. Riefner 2008-6-17 08 -159 Orange Irvine Ranch Reserve, N Irvine Ranch, Middle Fremont Canyon along Black Star SCE road. 618 Comment
  UCR203901  Antirrhinum multiflorum R. E. Riefner Jr. 2008-5-15 08- 83 Orange Irvine Ranch Reserve, north Irvine Ranch, east fork of upper Fremont Canyon along Black Star SCE Road 610 Comment
Read comments Dec 14 2012
  UCR203905  Antirrhinum multiflorum R. E. Riefner Jr. 2008-6-3 08- 139 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east fork at upper Fremont Canyon, along Black Star SCE Road 618 Comment
  UCR203909  Antirrhinum multiflorum R. E. Riefner Jr. 2008-6-17 08- 159 Orange Santa Ana Mountains, Irvine Ranch Reserve, North Irvine Ranch, middle Fremont Canyon, east slope along Black Star SCE Road 618 Comment
  UCR203910  Antirrhinum multiflorum R. E. Riefner Jr. 2008-7-21 08- 248 Orange Santa Ana Mountains, Irvine Ranch Reserve, North Irvine Ranch, middle Fremont Canyon, east slope along Black Star SCE Road 718 Comment
Read comments Sep 5 2010
  UCR232762  Antirrhinum multiflorum Robt. L. Allen, Trisha Smith, Mike Kahle 2006-6-21 s.n. Orange Peninsular Range; Santa Ana Mtns., Fremont Canyon, ridge to the east, saddle between Fremont and Black Star Canyon watersheds, north end of unpaved Lakeview Road, base of Southern California Edison tower #33-1 M33T1A 761 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
  RSA725584  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6529 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA518  Apiastrum angustifolium J. T. Howell 1927-6-17 150 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA784313  Arctostaphylos J. D. Olmsted 1959-4-17 379 Riverside Tin Mine Can.-Santa Ana River drainage area. Beacon Pines Ranch. 10 mi SW of Corona on Skyline Drive at intersection with Black Star Canyon Road and Main Divide Motorway. 854 Comment
Read comments Jun 2 2013
  RSA797286  Arctostaphylos drupacea Keith E. Hoffmaster 1932-4-17 s.n. Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  GH350283  Arctostaphylos glandulosa R. F. Thorne & J. Olmsted 1963-7-26 32838 Unknown Tin Mine Canyon above Beek's Spring, Santa Ana Mts., Cleveland National Forest, Trabugo District Comment
  RSA629338  Arctostaphylos glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27644 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  UCR223437  Arctostaphylos glandulosa Dick Newell, Don Millar 2011-2-8 055 Orange Peninsular Range; Santa Ana Mtns., Black Star Coal Mine above Fremont Canyon, along Coal Rd. 475 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
  RSA167732  Arctostaphylos glandulosa subsp. zacaensis R. F. Thorne, John Olmsted 1963-7-26 32838 Orange In Tin Mine Canyon above Beek's Spring, Trabuco District, Santa Ana Mts., Cleveland National Forest. 854 Comment
Read comments Apr 25 2011
  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
  UC1137480  Arctostaphylos glandulosa subsp. zacaensis J. B. Spring 1931-3-18 26 Orange Black Star Canyon Corona Quadrangle (Plot #17, Corona #2) Comment
  UC1302404  Arctostaphylos glandulosa subsp. zacaensis Robert F. Thorne and John Olmstead 1963-7-26 32838 Orange in Tin Mine Canyon above Beek's Spring; Cleveland National Forest, Santa Ana Mts., Trabugo District 609 Comment
Read comments Apr 25 2011
  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
  RSA38  Aristida adscensionis var. modesta J. T. Howell 1928-2-26 856 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA39  Aristida adscensionis var. modesta J. T. Howell 1928-2-7 817 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA660594  Aristida purpurea var. parishii R. E. Riefner 2000-7-8 20 -629 Orange NCCP North Ranch Policy Plan Area. On ridgeline overlooking upper W fork of Fremont Canyon; located E of Main Divide Road and SE from Windy Ridge cypress forest. 438 Comment
  RSA663207  Aristida purpurea var. parishii R. E. Riefner 2000-8-3 20 -709 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and Windy Ridge. 534 Comment
  UCR130489  Aristida purpurea var. parishii R. E. Riefner Jr. 2000-7-7 00- 629 Orange Santa Ana Mtns., North Ranch Policy Plan Area, on ridgeline overlooking upper west fork of Fremont Canyon; east of Main Divide Road and SE from Windy Ridge cypress forest 348 Comment
  UCR130496  Aristida purpurea var. parishii R. E. Riefner Jr. 2000-8-3 00- 7012 Orange Santa Ana Mountains, North Ranch Policy Plan Area, east of Main Divide Road and Windy Ridge 535 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
  RSA776  Artemisia biennis J. T. Howell 1927-10-29 784 Orange Bryant Ranch near Long Beach. 15 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
  RSA5382  Artemisia californica B. D. Stark 1932-12-30 s.n. Orange Rancho Santa Ana, 1/4 mile W of Roundtop. 457 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
  CAS-BOT-BC90267  Artemisia douglasiana John Thomas Howell 1927-8-13 2989 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  CAS-BOT-BC90268  Artemisia douglasiana John Thomas Howell 1927-8-13 2989 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA778  Artemisia douglasiana J. T. Howell 1927-8-13 627 Orange Santa Ana River Bottom 152 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
  CAS-BOT-BC90564  Artemisia dracunculus John Thomas Howell 1927-9-24 3110 Orange on n. side of Santa Ana [Canon] Canyon 213 Comment
  CAS-BOT-BC90566  Artemisia dracunculus John Thomas Howell 1927-9-24 3118 Orange on sandy island in Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  JEPS36975  Artemisia dracunculus John Thomas Howell 1927-9-24 3110 Orange Rancho Santa Ana Santa Ana Canon 152 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
  RSA774  Artemisia dracunculus J. T. Howell 1927-9-24 752 Orange Santa Ana River Bottom, Rancho Santa Ana 152 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
  RSA779  Artemisia tridentata J. T. Howell 1927-10-22 763 Orange Santa Ana River bottom, Rancho Santa Ana 152 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
  JEPS36950  Artemisia tridentata subsp. tridentata John Thomas Howell 1927-10-22 3165 Orange Rancho Santa Ana Santa Ana river bottom, Rancho Santa Ana 152 Comment
  UC1119516  Artemisia tridentata subsp. tridentata H. E. Norton 1931-3-28 51 Orange Corona Quadrangle Comment
Read comments Aug 13 2014
  RSA12377  Arundo donax C. B. Wolf, E. R. Johnson 1934-3-21 5579 Orange Santa Ana River, Santa Ana Canyon, 1/2 mi. S.W. of Mexican Houses, Rancho Santa Ana. 122 Comment
  JEPS49870  Asclepias eriocarpa John Thomas Howell 1927-7-16 2785 Orange Rancho Santa Ana Santa Ana Cnayon 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
  RSA49951  Asclepias eriocarpa E. K. Balls 1949-6-11 13494 Orange heavy clay and stone, steep dry benches, Rancho Santa Ana 2 mi below entrance to Botanic Garden, Santa Ana River Canyon. 122 Comment
  RSA49952  Asclepias eriocarpa E. K. Balls 1949-6-11 13494 Orange heavy clay and stone, steep dry benches, Rancho Santa Ana 2 mi below entrance to Botanic Garden, Santa Ana River Canyon. 122 Comment
  RSA563  Asclepias eriocarpa J. T. Howell 1927-7-16 417 Orange Botany Garden, Rancho Santa Ana. 152 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
  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
  POM8680  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-24 3743 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA5  Aspidotis californica J. T. Howell 1927-7-3 257 Orange Claymine Canyon near Sierra Peak. 305 Comment
  RSA739319  Aspidotis californica Keith E. Hoffmaster 1933-3-2 30 Orange Orange County: Santa Ana Mts Comment
  RSA781  Aster hesperius J. T. Howell 1927-10-29 779 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA562611  Aster radulinus Steve Boyd, Fred M. Roberts 1992-10-14 7715 Orange Northern Santa Ana Mountains, vicinity of Oak Flats (aka Oat Flats) northeast of the junction of Main Divide Road and Skyline Road, just west of Riverside County line 800 Comment
  UCR79369  Aster radulinus Steve Boyd, Fred M. Roberts 1992-10-14 7715 Orange Northern Santa Ana Mountains, Oak Flats, head of Skyline Rd., near Riverside Co. line 800 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
  RSA782  Aster subulatus var. ligulatus J. T. Howell 1927-10-29 775 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA784  Aster subulatus var. ligulatus J. T. Howell 1927-9-24 750 Orange Santa Ana River Bottom, Rancho Santa Ana 152 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
  RSA379  Astragalus didymocarpus J. T. Howell 1928-3-17 872 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA220982  Astragalus gambelianus E. W. Lathrop 1966-3-23 6102 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  UCR26993  Astragalus gambelianus E. W. Lathrop 1966-3-23 6102 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon Comment
  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
  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
  JEPS54671  Astragalus trichopodus var. lonchus C. J. Kraebel 1929-12-9 Orange hillside s San Juan Hill (Rancho Santa Ana Botanic Garden, in extreme e corner of Orange County, n of Santa Ana River, e of Anaheim); Rancho Santa Ana Botanic Garden, nr San Juan Hill 304 Comment
  JEPS54846  Astragalus trichopodus var. lonchus John Thomas Howell 1927-6-2 2415 Orange Santa Ana Canyon Rancho Santa Ana; , Santa Ana Canyon 152 Comment
  RSA264438  Astragalus trichopodus var. lonchus C. W. Tilforth 1976-11-12 1239 Orange Slopes of Rancho Santa Ana above Horseshoe Bend of the Santa Ana River, SE of Yorba Linda. 152 Comment
  RSA380  Astragalus trichopodus var. lonchus J. T. Howell 1928-2-7 815 Orange Botany Garden, Rancho Santa Ana. 152 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
  POM18998  Atriplex canescens P. A. Munz 1923-9-6 7727 San Bernardino Rincon. 183 Comment
Read comments Jul 16 2014
  RSA255  Atriplex canescens J. T. Howell 1927-10-22 761 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  RSA256  Atriplex canescens J. T. Howell 1927-7-29 519 Orange Near east boundary of Rancho Santa Ana. 152 Comment
  RSA259  Atriplex canescens J. T. Howell 1927-10-22 760 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  RSA260  Atriplex canescens J. T. Howell 1927-10-22 759 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  RSA5333  Atriplex canescens B. D. Stark 1933-1-3 1731 Orange Rancho Santa Ana near pear orchard. 122 Comment
  RSA736755  Atriplex canescens Scott D. White, Lynn Stafford 2007-6-27 11747 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  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
  RSA696212  Atriplex rosea Keith E. Hoffmaster 1934-5-31 s.n. Orange Santa Ana. Comment
  RSA250  Atriplex serenana J. T. Howell 1927-7-5 265 Orange West side, Rancho Santa Ana [Botanic Garden]. 152 Comment
  RSA252  Atriplex serenana J. T. Howell 1927-7-22 459 Orange North of Botany Garden, Rancho Santa Ana. 274 Comment
  CAS-BOT-BC176754  Atriplex serenana var. serenana John Thomas Howell 1927-7-5 2650 Orange Along road, Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  CAS-BOT-BC176757  Atriplex serenana var. serenana John Thomas Howell 1927-7-22 2817 Orange On north side of Santa Ana [Canon] Canyon 335 Comment
  CAS-BOT-BC146057  Avena barbata Ira L. Wiggins 1966-2-18 20450 Orange Roadside 0.5 mile west of entrance to Rancho Santa Ana, near end of Orangthorpe Avenue. Comment
  UCD56188  Avena barbata Ira L. Wiggins 1966-2-18 20450 Orange 1/2 mile west of entrance to Rancho Santa Ana. Near end of Orangethorpe Ave. 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
  CAS-BOT-BC66214  Azolla filiculoides John Thomas Howell 1927-7-6 2663 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA13  Azolla filiculoides John Thomas Howell 1927-7-6 284 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA17461  Azolla filiculoides Carl B. Wolf 1936-9-21 8273 Orange Rancho Santa Ana, Santa Ana Canyon 121 Comment
  RSA21069  Azolla filiculoides Ramon Valverde 1938-8-4 9435 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  POM153384  Baccharis douglasii Philip A. Munz, I. M. Johnston 1928-9-12 11264 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  RSA184186  Baccharis emoryi I. L. Wiggins 1965-11-6 20338 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA5324  Baccharis emoryi B. D. Stark 1932-12-30 14471 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  RSA663210  Baccharis emoryi R. E. Riefner 2000-3-26 20 -153 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  RSA788  Baccharis emoryi J. T. Howell 1927-10-22 764 Orange Santa Ana River bottom, Rancho Santa Ana 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
  UCR205870  Baccharis malibuensis R. E. Riefner Jr., T. Smith 2007-6-22 07- 275 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Road 545 Comment
  UCR205871  Baccharis malibuensis R. E. Riefner Jr. 2008-7-17 08- 241 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Road 600 Comment
  UCR205872  Baccharis malibuensis R. E. Riefner Jr. 2008-7-17 08- 239 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Road 574 Comment
  UCR205873  Baccharis malibuensis R. E. Riefner Jr. 2008-7-2 08- 181 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Road 660 Comment
  UCR205874  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08- 175 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Road 483 Comment
  UCR205875  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08- 173 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Road 470 Comment
  UCR205876  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08- 171 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Road 495 Comment
  CAS-BOT-BC99443  Baccharis pilularis P. C. Everett 1934-7-31 6045 Orange east of Administration Bldg., Rancho Santa Ana Botanic Garden 198 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
  SD73484  Baccharis pilularis P. C. Everett 1934-11-7 6246 Orange Rancho Santa Ana Botanic Garden; open hilltop. 199 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
  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
Read comments Aug 29 2013
  RSA117755  Baccharis salicifolia S. Carlquist 1958-5-31 489 Riverside Sandstone hills along W side of Prodo Dam. Comment
Read comments Apr 4 2013
  RSA5325  Baccharis salicifolia B. D. Stark 1932-12-30 4470 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  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
  RSA789  Baccharis salicifolia J. T. Howell 1927-10-23 769 Orange Santa Ana River bottom, Rancho Santa Ana 152 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
  JEPS21281  Baccharis salicifolia subsp. salicifolia J. Thomas Howell 1927-10-23 3171 Orange Rancho Santa Ana, Santa Ana River Comment
  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-BC106666  Baccharis salicina Ira L. Wiggins 1965-11-6 20338 Orange Kraemer Oil Estates, near well No. 14, near end of county road constituted by continuation of Orangethorpe Avenue Comment
  CAS-BOT-BC106669  Baccharis salicina John Thomas Howell 1927-10-22 3166 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  JEPS21280  Baccharis salicina John Thomas Howell 1927-10-22 3166 Orange Rancho Santa Ana Santa Ana River bottom 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
  UCD129397  Baccharis salicina Ira L. Wiggins 1965-11-6 20338 Orange Kraemer Oil Estates, near well no. 15, near end of county road constituted by continuation of Orangethorpe Ave. 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
  RSA699724  Baccharis viminea Keith E. Hoffmaster 1930-3-9 1060 Orange Santa Ana Mts. 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
  UCD97658  Bassia hyssopifolia Ira L. Wiggins 1966-4-1 20576 Orange Railroad embankment near entrance to Rancho Santa Ana. Comment
  CLARK-A1528-1648  Bebbia juncea John C. Roos 1995-6-19 Riverside Santa Ana Mountains Comment
  POM212046  Bebbia juncea C. B. Wolf 1931-7-25 2295 Orange N side of pear orchard, Rancho Santa Ana, Santa Ana Canyon 122 Comment
  RSA1358  Bebbia juncea B. D. Stark 1929-11-2 651 Orange Along railroad track, Rancho Santa Ana 152 Comment
  RSA1371  Bebbia juncea B. D. Stark 1930-2-21 1468 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA30446  Bebbia juncea Elisabeth Norland 1942-7-3 11283 Orange Rancho Santa Ana RR track, 1/4 mile E of entrance Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA5334  Bebbia juncea B. D. Stark 1933-1-3 4480 Orange Rancho Santa Ana near pear orchard. 122 Comment
  RSA695624  Bebbia juncea Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA790  Bebbia juncea J. T. Howell 1927-6-2 13 Orange Sandstone Ridge, Botany Garden, RSA. 152 Comment
  SBBG45055  Bebbia juncea C. B. Wolf 1931-7-25 2295 Orange Santa Ana, Santa Ana Cyn 121 Comment
  UCR37789  Bebbia juncea Steve Boyd, L. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. Comment
  UCSB42271  Bebbia juncea Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
Read comments May 21 2011
  CAS-BOT-BC106424  Bebbia juncea var. aspera B. D. Stark 1929-11-2 651 Orange Along railroad track, Rancho Santa Ana 152 Comment
  CAS-BOT-BC106425  Bebbia juncea var. aspera C. B. Wolf 1931-7-25 2295 Orange North of Pear Orchard, Rancho Santa ana, Santa Ana Can. 121 Comment
  UC484167  Bebbia juncea var. aspera B. D. Stark 1929-11-2 651 Orange Rancho Santa Ana 152 Comment
  UC527451  Bebbia juncea var. aspera C. B. Wolf 1931-7-25 Orange n of Pear Orchard (Rancho Santa Ana, Santa Ana Canyon); Rancho Santa Ana, Santa Ana Canyon 121 Comment
  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
  CAS-BOT-BC102098  Bidens laevis John Thomas Howell 1927-10-23 3170 Orange Santa Ana River bottom, Santa Ana Canon 152 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
  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
  RSA800  Bidens laevis J. T. Howell 1927-10-23 768 Orange Santa Ana River bottom, Rancho Santa Ana 152 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
  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
  RSA113874  Bloomeria crocea var. crocea E. K. Balls 1956-5-17 21639 Orange Madrone Canyon, from plants native to area. grown from seed collection, June 19, 1949. Prop. No. 6309, Botanic Garden 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
  RSA37  Bothriochloa barbinodis J. T. Howell 1927-6-5 38 Orange Rancho Santa Ana, near east boundary. 152 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
  RSA520  Bowlesia incana J. T. Howell 1928-2-26 853 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA60252  Bowlesia incana E. K. Balls 1950-3-7 14446 Orange Rancho Santa Aa Botanic Garden. 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
  SEINET3156098  Bowlesia septentrionalis E. K. Balls 1950-3-7 14446 Orange Administration Grounds of Rancho Santa Ana Botanic Garden 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
  IRVC14742  Brassica geniculata A. S. Boughey 1968-4-23 214 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains Comment
  UCR223425  Brassica geniculata Dick Newell, Don Millar 2011-2-8 057 Orange Peninsular Range; Santa Ana Mtns., Black Star Coal Mine above Fremont Canyon, along Coal Rd. 475 Comment
  CAS-BOT-BC30256  Brassica nigra Alice Eastwood 1934-4-29 s.n. Orange Rancho Santa Ana. Comment
  RSA792  Brickellia californica J. T. Howell 1927-11-5 801 Orange Racnho Santa Ana, W side. 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
  RSA561494  Brickellia nevinii Steve Boyd, K. A. Boyd 1992-7-9 7656 Orange Northern Santa Ana Mountains, Upper Tin Mine Canyon along Skyline Road, 1 mile below jct with Main Divide Road Comment
  RSA584704  Brickellia nevinii Fred M. Roberts, Carol A. Roberts 1989-5-11 4352 Orange Gypsum Canyon, 2.9 km WSW Sierra Peak, about 3.3km S by road of Santiago Canyon Road. 189 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
  RSA43  Bromus arvensis J. T. Howell 1927-6-17 153 Orange Botany Garden, Rancho Santa Ana. 152 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
  UCR138441  Bromus carinatus R. E. Riefner Jr. 2000-6-22 20 575 Orange Santa Ana Mountains, North Ranch Policy Plan Area, NE property, along National Forest boundary, at powerline 756 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-BC161819  Bromus rubens Ira L. Wiggins 1966-2-18 20449 Orange Near end of County road, 0.5 mile west of entrance to Rancho Santa Ana. 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
  RSA648659  Calamagrostis koelerioides R. E. Riefner 2000-6-22 20 -572 Orange NCCP North Ranch Policy Plan Area, NE property; along National Forest boundary, at powerline. 756 Comment
  UC907536  Calamagrostis koelerioides Clark H. Gleason 1949-8-5 Orange near Hidden Ranch; Cleveland National Forest, Black Star Canyon Comment
Read comments May 27 2008
  UCR113453  Calamagrostis koelerioides R. E. Riefner Jr. 2000-6-22 20- 572 Orange Santa Ana Mountains, North Ranch Policy Plan Area, NE property, along National Forest boundary, at powerline 756 Comment
  CAS-BOT-BC354307  Calandrinia breweri R. E. Riefner, Jr. 2008-3-5 08 -31 Orange Irvine Ranch Reserve, North Irvine Ranch, S of Windy Ridge Rd., ca 0.5 mi from West Fork of upper Fremont Canyon 508 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
  RSA737234  Calandrinia breweri R. E. Riefner 2008-3-12 08 -34 Orange Irvine Ranch Reserve, North Irvine Ranch, East Fork of upper Fremont Canyon along Black Star SCE Rd. 716 Comment
  RSA737894  Calandrinia breweri R. E. Riefner 2008-5-15 08 -82 Orange Irvine Ranch Reserve, N Irvine Ranch, eastern Fremont Canyon area, Black Star SCE road. 549 Comment
  RSA737897  Calandrinia breweri R. E. Riefner 2008-5-20 08 -104 Orange Irvine Ranch Reserve, N Irvine Ranch, Wetern Fremont Canyon, Windy Ridge Road. 531 Comment
  SBBG133600  Calandrinia breweri R. E. Riefner Jr. 2008-3-5 08 -31 Orange Irvine Ranch Reserve, N Irvine Ranch, S of Windy Ridge Rd ca. 0.5 mi from W Fork of upper Fremont Cyn 495 Comment
  SBBG133611  Calandrinia breweri R. E. Riefner Jr. 2008-3-12 08 -34 Orange Irvine Ranch Reserve, N Irvine Ranch, E Fork of upper Fremont Cyn along Black Star SCE RD 715 Comment
  SEINET6168371  Calandrinia breweri R. E. Riefner Jr. 2008-1 08 -31 Orange Irvine Ranch Reserve, North Irvine Ranch, S of Windy Ridge Rd. ca. 0.5 mi from West Fork of upper Fremont Canyon. USGS 7.5' Quad: Black Star Canyon 496 Comment
  UCR203899  Calandrinia breweri R. E. Riefner Jr. 2008-4-15 08- 72 Orange Irvine Ranch Reserve, north Irvine Ranch, western middle Fremont Canyon area, Coalmine SCE Road 353 Comment
  UCR203900  Calandrinia breweri R. E. Riefner Jr. 2008-5-15 08- 82 Orange Irvine Ranch Reserve, north Irvine Ranch, eastern Fremont Canyon area, Black Star SCE Road 549 Comment
  UCR203902  Calandrinia breweri R. E. Riefner Jr. 2008-5-16 08- 86 Orange Irvine Ranch Reserve, north Irvine Ranch, lower eastern Fremont Canyon area, Lakeview SCE Road 549 Comment
  UCR203903  Calandrinia breweri R. E. Riefner Jr. 2008-5-20 08- 104 Orange Irvine Ranch Reserve, north Irvine Ranch, western Fremont Canyon, Windy Ridge Road 531 Comment
  UCR249903  Calandrinia breweri R. E. Riefner Jr. 2008-3-5 08- 31 Orange Santa Ana Mountains, Irvine Ranch Reserve, North Irvine Ranch, south of Windy Ridge Road c. 0.5 mi from West Fork of upper Fremont Canyon 508 Comment
  RSA731005  Calocedrus decurrens Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6507 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  CAS-BOT-BC140073  Calochortus E. W. Lathrop 1966-3-23 6098 Orange 4 miles NE of Lake Irvine, Black Star Canyon, Cleveland Nat'l. Forest, Trabuco District Comment
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  CAS-BOT-BC132257  Calochortus catalinae Philip A. Munz 1949-5-26 13379 Orange Head of Sierra Canyon, Santa Ana Mts. 731 Comment
  RSA120  Calochortus catalinae J. T. Howell 1928-3-17 863 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA162808  Calochortus catalinae J. D. Olmsted 1959-4-23 475 Orange Hidden Ranch in Black Star Canyon, 5 miles east of Irvine Reservoir. 640 Comment
  RSA21235  Calochortus catalinae S. B. Bryant 1937-4-10 8506 Orange Rancho Santa Ana, Santa Ana Canyon, along road & roundtop to Horseshoe Bend. 244 Comment
  RSA220977  Calochortus catalinae E. W. Lathrop 1966-3-23 6098 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA48924  Calochortus catalinae Philip A. Munz 1949-5-26 13379 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA552928  Calochortus catalinae Fred M. Roberts, Carol A. Roberts 1989-5-11 4350 Orange Santa Ana Mountains: Upper Gypsum Canyon, along ridge road, 5.6 kilometers SW Sierra Peak. 472 Comment
  RSA649054  Calochortus catalinae D. E. Bramlet 2000-4-12 2977 Orange Fremont Canyon near Edison transmission lines. The site is 92m east of the Edison Spur Road and 762m southeast of the Fremont ridge road. The locality is 335m west of Fremont Canyon. 138 Comment
  RSA769608  Calochortus catalinae E. W. Lathrop 1966-5-23 6098 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District Comment
  UCR203898  Calochortus catalinae R. E. Riefner Jr. 2008-4-15 08- 71 Orange Irvine Ranch Reserve, north Irvine Ranch, Fremont Canyon Conservation Easement, west Fremont Canyon, lower Coalmine SCE Road 301 Comment
  UCR27224  Calochortus catalinae E. W. Lathrop 1966-3-23 6098 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon Comment
  RSA561495  Calochortus plummerae Steve Boyd, Kyle Boyd 1992-7-9 7655 Orange Northern Santa Ana Mountains, along the main crest of the range, north of Pleasants Peak and south of Oak Flat (aka Oat Flat), 1.5 miles south of junction of Main Divide and Skyline Roads. Comment
  RSA649065  Calochortus plummerae D. E. Bramlet 2000-6-27 3063 Orange Fremont Canyon ridge road at crossing of Edison transmissionlines. NE of the old mine site, S of junction with Blind Canyon access road. 482 Comment
  RSA649686  Calochortus plummerae R. E. Riefner 2000-7-8 20 -625 Orange NCCP North Ranch Policy Plan Area. On ridgeline overlooking upper W fork of Fremont Canyon; located E of Main Divide Road and SE from Windy Ridge cypress forest. 438 Comment
  RSA649687  Calochortus plummerae R. E. Riefner 2000-6-27 20 -585 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and SE from Windy Ridge cypress forest. 556 Comment
  UC337918  Calochortus plummerae unknown 1891-8-15 Orange Santa Ana Canyon Comment
Read comments Feb 19 2014
  RSA511062  Calochortus splendens Steve Myers 1989-5-4 s.n. Orange Head of Black Star Canyon, Santa Ana Mountains. 640 Comment
  RSA660540  Calochortus splendens Orlando Mistretta 1992-6-10 512 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  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
  RSA729799  Calochortus weedii Robert F. Thorne 1963-7-26 23839 Orange Tin Mine Canyon above Beeks Spring, Trabuco District, Cleveland National Forest 854 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
  RSA271148  Calochortus weedii var. intermedius C. W. Tilforth 1977-6-15 1344 Orange Rancho Santa Ana property in the area of Horseshoe Bend of the Santa Ana River, Santa Ana Canyon, north-east Orange County. Comment
  RSA649066  Calochortus weedii var. intermedius D. E. Bramlet 2000-6-27 3064 Orange Fremont Canyon ridge road at crossing of Edison transmissionlines. NE of the old mine site, S of junction with Blind Canyon access road. 482 Comment
  RSA68621  Calochortus weedii var. intermedius Frank W. Peirson 1927-6-20 7350 Orange Site for botanical garden (Rancho Santa Ana) Comment
  RSA725577  Calochortus weedii var. intermedius Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6537 Orange Upper Fremont Canyon, 5.2km ENE Irvine Lake Spillway and 2.0km WNW Hidden Ranch. 673 Comment
  RSA741725  Calochortus weedii var. intermedius R. E. Riefner 2008-6-3 8 -138 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, E fork Fremont Canyon, Black Star SCE Rd. 622 Comment
  RSA746523  Calochortus weedii var. intermedius R. E. Riefner 2008-6-3 8 -141 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, E fork Fremont Canyon, Black Star SCE Rd. 641 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
  UCR132986  Calochortus weedii var. intermedius Adrian Wolf 2000-6-22 470 Orange Santa Ana Mtns., North Ranch Policy Plan Area, East access road, Black Star Canyon 610 Comment
  UCR203906  Calochortus weedii var. intermedius R. E. Riefner Jr. 2008-6-3 08- 138 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east fork of Fremont Canyon, Black Star SCE Road 622 Comment
  UCR203907  Calochortus weedii var. intermedius R. E. Riefner Jr. 2008-6-11 08- 150 Orange Santa Ana Mountains, Irvine Ranch Reerve, Fremont Canyon Conservation Eaement, west Fremont Canyon, Coalmine SCE Road 366 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
  JEPS61770  Calochortus weedii var. weedii John Thomas Howell 1927-6-22 2572 Orange Rancho Santa Ana Santa Ana Canyon 152 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
  RSA160439  Calycadenia tenella J. D. Olmsted 1959-5-1 527 Riverside Drainage area to Irvine Lake. Oat Flat at intersection of Skyline Dr. and Main Divide T.T.; 9 mi. SW of Corona 823 Comment
Read comments Jun 8 2013
  RSA649679  Calycadenia tenella R. E. Riefner 2000-5-6 20 -444 Orange NCCP North Ranch Policy Plan Area: NE property; along powerline on National Forest boundary. 582 Comment
  RSA795  Calycadenia tenella J. T. Howell 1927-7-28 511 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
  UCR113456  Calycadenia tenella R. E. Riefner Jr. 2000-5-6 20- 444 Orange Santa Ana Mountains, North Ranch Policy Plan Area, NE property, along powerline on National Forest boundary 582 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
  RSA558  Calystegia macrostegia subsp. intermedia J. T. Howell 1927-6-9 62 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA466972  Camissonia bistorta E. Crow 1929-4-7 311 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA25949  Camissonia californica E. Johnson 1941-5-1 s.n. Orange River bottom, Rancho Santa Ana Comment
  RSA497  Camissonia californica J. T. Howell 1927-6-26 213 Orange Claymine Canyon near Sierra Peak. 244 Comment
  RSA498  Camissonia californica J. T. Howell 1927-6-5 39 Orange Rancho Santa Ana, near east boundary. 152 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
  UCR132890  Camissonia hirtella Adrian Wolf 2000-4-7 453 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Fremont Canyon, 3 km NNE of canyon mouth 408 Comment
  RSA507  Camissonia lewisii J. T. Howell 1928-4-7 902 Orange Santa Ana River bottom, Rancho Santa Ana 152 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
  RSA509  Camissonia strigulosa J. T. Howell 1928-4-7 900 Orange Santa Ana River bottom, Rancho Santa Ana 152 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
  POM8092  Cardamine californica var. integrifolia P. A. Munz, R. D. Harwood 1920-4-24 3740 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  POM8807  Cardamine californica var. integrifolia P. A. Munz, R. D. Harwood 1920-4-24 3784 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA1442  Cardamine californica var. integrifolia J. T. Howell 1929-2-11 1226 Orange Claymine Canyon, Samta Ana Mts. 305 Comment
  RSA162706  Cardamine californica var. integrifolia J. D. Olmsted 1959-4-23 469 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 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
  RSA23656  Cardaria draba E. R. Johnson 1939-4-25 9496 Orange Santa Ana Canyon, Rancho Santa Ana, along Santa Fe RR tracks. 122 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
  RSA76  Carex praegracilis J. T. Howell 1928-4-7 904 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA707  Castilleja affinis J. T. Howell 1927-6-2 11 Orange Sandstone Ridge, Botany Garden, RSA. 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
  RSA543970  Castilleja applegatei subsp. martinii Steve D. Boyd, Orlando Mistretta 1991-5-9 3201 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 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
Read comments Nov 19 2011
  HSC20518  Castilleja foliolosa S. M. Clapp 1966-4-10 31 Orange 4 mi. into Black Star Canyon 183 Comment
  OBI8275  Castilleja foliolosa David J. Keil, Malcolm McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM8764  Castilleja foliolosa P. A. Munz, R. D. Harwood 1920-4-24 3745 Orange Sierra [Freemont] Canyon, Santa Ana Mts. 366 Comment
Read comments Sep 25 2011
  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
  RSA400601  Castilleja foliolosa P. A. Munz, R. D. Harwood 1920-4-24 3745 Orange Sierra [Freemont] Canyon, Santa Ana Mts. 366 Comment
Read comments Sep 25 2011
  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
  RSA663153  Castilleja minor subsp. spiralis R. E. Riefner 2000-3-26 30 -154 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 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
  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
  RSA14727  Ceanothus crassifolius E. R. Johnson 1935-2-21 s.n. Orange Santa Ana River Bottom. Rancho Santa Ana. 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
  RSA21485  Ceanothus crassifolius E. R. Johnson 1936-3-16 8313 Orange Rancho Santa Ana, Santa Ana Canyon. So. of Ranch Buildings 122 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
  RSA733938  Ceanothus crassifolius L. C. Hull 1934-2-11 s.n. Orange Black Star Canyon Rd. 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
  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
  RSA21234  Ceanothus leucodermis E. R. Johnson 1937-4-6 8505 Orange Rancho Santa Ana, Santa Ana Canyon south of Ranch Buildings. 122 Comment
  RSA3025  Ceanothus leucodermis E. R. Johnson 1931-12-31 2641 Orange Racho Santa Ana, river bottom south of Ranch houses, ear the boudary benre. Comment
  JEPS42110  Ceanothus megacarpus John Thomas Howell 1927-6-26 2609 Orange just w Sierra Peak (head of Calymine Canyon); Santa Ana Mts. Comment
Read comments May 8 2008
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
Read comments Jun 10 2012
  RSA12375  Ceanothus megacarpus Carl B. Wolf 1934-3-21 5577 Orange Santa Ana River, Santa Ana Canyon, 1/2 mi. S.W. of Mexican Houses, Rancho Santa Ana. 122 Comment
  RSA21484  Ceanothus megacarpus E. R. Johnson 1936-3-16 8312 Orange Rancho Santa Ana, Santa Ana Canyon. So. of Ranch Buildings 122 Comment
  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
  IRVC28916  Ceanothus megacarpus var. megacarpus Fred M. Roberts, Carol A. Roberts 1988-5-12 3963 Orange Anaheim Hills; Upper Deer Cyn, 7.7km W Sierra Peak. Southern Coastal 268 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
  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
  UC1071165  Ceanothus oliganthus var. oliganthus R. St. John 1931-3-4 192 Riverside Tim Mine Canyon Corona quad. 609 Comment
Read comments Jun 17 2013
  CAS-BOT-BC51706  Ceanothus papillosus B. D. Stark 1933-1-5 10030 Orange 2 mi. So. of summit of Skyline Drive along road to Santiago Peak, Santa Ana Mts. 1219 Comment
  CAS-BOT-BC51847  Ceanothus papillosus Stark 1933-1-5 10029 Orange 2 mi. S. of summit of Skyline Dr. along rd. to Santiago peak, Santa Anna Mts. 1219 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
  CLARK-A1528-3898  Ceanothus papillosus subsp. roweanus John C. Roos 1962-5-5 Orange Santa Ana Mountains Comment
  CLARK-A1528-3899  Ceanothus papillosus subsp. roweanus John C. Roos 1960-5-30 Orange Santa Ana Mountains 1066 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
  RSA25945  Ceanothus papillosus var. roweanus B. D. Stark 1933-1-5 10030 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 Comment
  RSA5303  Ceanothus papillosus var. roweanus B. D. Stark 1933-1-5 1754 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 Comment
  RSA608242  Ceanothus papillosus var. roweanus Steve Boyd, Bart O'Brien 1998-1-13 10076 Orange Santa Ana Mountains: north end of the range, NW of Pleasants Peak, along Main Divide Road (3S04) ca. 4.9 mi south of Oak Flat, at saddle between Hagador and Baker canyons. 1165 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
  UC1071422  Ceanothus tomentosus R. St. John 1931-3-4 193 Riverside Tin Mine Canyon 609 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
Read comments 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
  UCR263637  Ceanothus tomentosus Ed Kentner 2012-5-22 139 Orange Santa Ana Mountains, Irvine Ranch Conservancy, Fremont Canyon Reserve north side of windy Ridge Road 500 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
  RSA588778  Ceanothus tomentosus subsp. olivaceus Fred M. Roberts 1990-4-13 4559 Orange Upper Maybe Canyon near SkylineDrive 0.2 km NE Oak Flat, 2.7 km SSE Sierra Peak. 841 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
  RSA171020  Ceanothus tomentosus var. olivaceus Robert F. Thorne 1963-7-26 32837 Orange In Tin Mine Canyon above Beek's Spring, Trabuco District, Santa Ana Mts., Cleveland National Forest. 854 Comment
Read comments Apr 25 2011
  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
Read comments 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
  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
  RSA731001  Cedrus deodara Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6504 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 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
  RSA23655  Centaurea repens E. R. Johnson 1939-4-25 9497 Orange Santa Ana Canyon. Rancho Santa Ana , along Santa Fe R.R. tracks south of Exp. citrus plot. 122 Comment
  RSA551  Centaurium venustum J. T. Howell 1927-6-2 15 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC400156  Ceratophyllum demersum John Thomas Howell 1927-8-13 2987 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  RSA516  Ceratophyllum demersum J. T. Howell 1927-8-13 625 Orange Santa Ana River Bottom 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
  RSA16975  Cercocarpus betuloides E. R. Johnson 1936-4-10 7766 Orange Santa Ana Canyon, Rancho Santa Ana, toward the head of box canyon to the north of the pear orchard. 168 Comment
  RSA172271  Cercocarpus betuloides Robert F. Thorne 1963-7-26 32844 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Cleveland National Forest 854 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
  RSA739229  Cercocarpus betuloides Keith E. Hoffmaster 1932-4-17 502 Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  UCR231186  Cercocarpus betuloides A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39938 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1125 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
  RSA810  Chaenactis artemisiifolia J. T. Howell 1927-6-5 36 Orange just to E of Rancho Santa Ana 152 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
  RSA811  Chaenactis glabriuscula var. glabriuscula J. T. Howell 1927-6-2 12 Orange Sandstone Ridge, Botany Garden, RSA. 152 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
  RSA184133  Chamaesyce albomarginata I. L. Wiggins 1965-11-6 20342 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. 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
  RSA3130  Chamaesyce polycarpa var. polycarpa C. B. Wolf 1932-2-15 s.n. Orange Rancho Santa Ana Botanic Garden. 183 Comment
  RSA436  Chamaesyce polycarpa var. polycarpa J. T. Howell 1927-6-9 71 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  RSA602209  Chamaesyce serpillifolia L. C. Wheeler 1945-5-20 6046 Orange Rancho Santa Ana Botanic Garden: In front of assembly hall. Comment
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
Read comments 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
  RSA265  Chenopodium ambrosioides var. ambrosioides J. T. Howell 1927-7-18 430 Orange Santa Ana River bottom, Rancho Santa Ana. 152 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
  RSA264  Chenopodium berlandieri var. sinuatum J. T. Howell 1927-7-27 490 Orange Near ranch houses, Rancho Santa Ana 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
  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
  RSA182  Chorizanthe staticoides J. T. Howell 1927-6-8 61 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  RSA188  Chorizanthe staticoides J. T. Howell 1927-6-8 55 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  RSA739342  Chorizanthe staticoides Keith E. Hoffmaster 1934-4-22 297 Orange Santa Ana Mountains 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
  RSA818  Cichorium intybus J. T. Howell 1927-10-29 786 Orange Bryant Ranch near Long Beach. 15 Comment
  IRVC9096  Cirsium brevistylum C. A. Taylor 1966-5-18 66 -116 Orange Santa Ana Canyon, Old Rancho Santa Ana Botanic Garden site; full sun on flats and slopes. Chino Hills Comment
  RSA2092  Cirsium brevistylum B. D. Stark 1931-5-23 2230 Orange Santa Ana river bottom, SW of Ranch Houses, Rancho Santa Ana 122 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
  CAS-BOT-BC285584  Cirsium occidentale var. occidentale John Thomas Howell 1927-6-6 2447 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  IRVC9122  Cirsium occidentale var. occidentale R. Yarnell 1966-4-13 74 Orange Santa Ana Canyon, old RSA Botanical Gardens site. Chino Hills Comment
  JEPS59220  Cirsium occidentale var. occidentale John Thomas Howell 1927-6-6 2447 Orange near, river bottom Rancho Santa Ana; Santa Ana River 152 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
  RSA783257  Clarkia J. D. Olmsted 1959-4-23 455 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 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
  RSA500  Clarkia bottae J. T. Howell 1927-6-17 155 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  UCR210037  Clarkia bottae R. E. Riefner Jr. 2000-6-30 20- 597 Orange Santa Ana Mountains, North Ranch Policy Plan Area, N Fremont Canyon at Donaldson Ranch, adjacent to powerline crossing on W fork of Fremont Cyn drainage 427 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
  RSA511063  Clarkia purpurea subsp. purpurea S. J. Myers 1989-5-4 s.n. Orange Near Horsetrough Spring at the head of Black Star Canyon, Santa Ana Mountains. 640 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
  RSA663157  Clematis lasiantha R. E. Riefner 2000-6-1 20 -455 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 473 Comment
  RSA787106  Clematis lasiantha Keith E. Hoffmaster 1932-4-17 500 Orange Santa Ana Mts. [Orange/Riverside Cos] 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
  UCR119303  Clematis lasiantha R. E. Riefner Jr., Adrian Wolf 2000-6-1 20- 455 Orange Santa Ana Mountains, North Ranch Policy Plan Area, north of Irvine Lake [Santiago Reservoir] and west of Black Star Canyon, west of dirt access road, W slope of Fremont Canyon. 473 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
  RSA297  Clematis ligusticifolia J. T. Howell 1927-4-13 622 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA5332  Clematis ligusticifolia B. D. Stark 1933-6-3 s.n. Orange Rancho Santa Ana near pear orchard 122 Comment
  POM8762  Collinsia heterophylla Philip A. Munz, R. D. Harwood 1920-4-24 3747 Orange Santa Ana Mountains, Sierra [Freemont] Canyon. 366 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
  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
  RSA835  Conyza canadensis J. T. Howell 1927-9-24 743 Orange Santa Ana Botany Garden 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
  RSA711  Cordylanthus rigidus subsp. setiger J. T. Howell 1927-7-29 518 Orange Near east boundary of Rancho Santa Ana. 213 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
  CAS-BOT-BC101294  Corethrogyne filaginifolia John Thomas Howell 1927-9-24 3106 Orange on n. s. of Santa Ana [Canon] Canyon 152 Comment
  RSA160561  Corethrogyne filaginifolia J. D. Olmsted 1959-8-26 839 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago 823 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
  RSA348  Crassula connata var. erectoides J. T. Howell 1928-2-7 s.n. Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  UC11287  Crassula connata var. erectoides W. H. Brewer 1861-1-29 143 Riverside Temescal Mtns Comment
Read comments 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
Read comments Aug 6 2015
  OBI30078  Croton californicus L. Fountain 1966-4-1 72 Orange Near Rancho Santa Ana, at the end of Orangethorpe Ave Comment
  RSA427  Croton californicus J. T. Howell 1927-6-6 47 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  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
  RSA641  Cryptantha clevelandii J. T. Howell 1927-7-22 460 Orange North of Botany Garden, Rancho Santa Ana. 274 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
  RSA543960  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6191 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  UCR16163  Cryptantha microstachys I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UCR77711  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6191 Orange Santa Ana Mtns, Crest of range at Oak Flat, SE of Sierra Peak, just west of Riverside County line. 854 Comment
  IRVC15122  Cryptantha muricata var. muricata A. S. Boughey 1968-4-23 204 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains Comment
  RSA487  Cucurbita foetidissima J. T. Howell 1927-7-28 504 Orange Near ranch houses, Rancho Santa Ana. 152 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
  UCR140973  Cupressus arizonica June Latting 1973-6-30 s.n. Orange Santa Ana Mountains, Beeks Place, south of Oak Flat 854 Comment
Read comments Mar 28 2014
  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-BC80572  Cupressus forbesii C. B. Wolf; E. R. Johnson 1934-3-21 5578 Orange Rancho Santa Ana, Santa Ana Canyon, Santa Ana River 1/2 mi. S.W. of mexican houses 121 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
  RSA12376  Cupressus forbesii C. B. Wolf, E. R. Johnson 1934-3-21 5578 Orange Santa Ana River, Santa Ana Canyon, 1/2 mi. S.W. of Mexican Houses, Rancho Santa Ana. Altitude 400 ft. 122 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
  RSA648649  Cupressus forbesii Richard E. Riefner, Adrian Wolf 2000-6-1 20 -451 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 518 Comment
  RSA648650  Cupressus forbesii Richard E. Riefner 2000-8-3 20 -707 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and Windy Ridge cypress forest. 534 Comment
  RSA648664  Cupressus forbesii Richard E. Riefner 2000-8-3 20 -708 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and E of Windy Ridge main cypress forest 542 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
  RSA730999  Cupressus forbesii Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6502 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 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
Read comments 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
  UCR113449  Cupressus forbesii R. E. Riefner Jr., Adrian Wolf 2000-6-1 20- 451 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, north of Irvine Lake [Santiago Reservoir] and west of Black Star Canyon, west of dirt access road, W slope of Fremont Canyon. 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
  UCR132994  Cupressus forbesii Adrian Wolf 2000-6-1 469 Orange Santa Ana Mtns., North Ranch Policy Plan Area, West Fremont Canyon 534 Comment
  UCR140975  Cupressus forbesii June Latting 1973-6-30 s.n. Orange Santa Ana Mountains, 2 miles south of Sierra Peak, on road toward Skyline Drive 732 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
  UCR37801  Cupressus forbesii Steve Boyd, L. F. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. 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
  UCR140976  Cupressus sempervirens June Latting 1973-6-30 s.n. Orange Santa Ana Mountains, Beeks Place, south of Oak Flat 854 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
  RSA570  Cuscuta californica J. T. Howell 1927-6-3 24 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA38192  Cuscuta ceanothi P. A. Munz 1946-10-2 11555 Orange Santa Ana River bottom, Rancho Santa Ana. 122 Comment
  RSA571  Cuscuta ceanothi J. T. Howell 1927-7-21 455 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  SD43529  Cuscuta subinclusa Philip A. Munz 1946-10-2 11555 Orange Santa Ana River bottom, Rancho Santa Ana. Comment
  RSA266  Cycloloma atriplicifolium J. T. Howell 1928-5-13 968 Orange Santa Ana River bottom, Rancho Santa Ana. 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
  CAS-BOT-BC190298  Cynodon dactylon Ira L. Wiggins 1965-11-6 20353 Orange Kramer Oil Estates, near well No. 14, near end of county road to Rancho Santa Ana. 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
  RSA21058  Cyperus eragrostis Ramon Valverde 1938-8-4 9446 Orange Rancho Santa Ana, Santa Ana Canyon 122 Comment
  UC520019  Cyperus eragrostis Joseph Andorfer Ewan 1932-7-9 7985 Orange 4 mi. below Rincon; Santa Ana River Comment
  OBI17023  Cyperus erythrorhizos Carl B. Wolf 1937-9-23 9366 Orange Rancho Santa Ana, Santa Ana Cyn 122 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
  SD42280  Cyperus erythrorhizos C. B. Wolf 1937-9-23 9366 Orange Rancho Santa Ana; Santa Ana Canyon; wet sandy soil, edge of canal; new to Ranch (Rancho Santa Ana Botanic Garden). 121 Comment
  UC774605  Cyperus erythrorhizos C. B. Wolf 1937-9-23 9366 Orange Rancho Santa Ana Santa Ana Canyon, Rancho Santa Ana 121 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
  CAS-BOT-BC114322  Cyperus esculentus John Thomas Howell 1927-7-18 2794 Orange Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA78  Cyperus esculentus J. T. Howell 1927-7-15 408 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 Comment
  CAS-BOT-BC114243  Cyperus laevigatus John Thomas Howell 1927-7-18 2791 Orange Moist sandy soil, Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  RSA79  Cyperus laevigatus J. T. Howell 1927-7-15 407 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 Comment
  CAS-BOT-BC113820  Cyperus niger var. capitatus John Thomas Howell 1927-7-19 2800 Orange Santa Ana River Bottom, Santa Ana Canyon. 152 Comment
  RSA77  Cyperus niger var. capitatus J. T. Howell 1927-7-19 439 Orange Santa Ana River bottom, Rancho Santa Ana. 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
  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
  RSA483  Datisca glomerata J. T. Howell 1927-7-3 263 Orange Claymine Canyon near Sierra Peak. 305 Comment
  RSA734877  Datisca glomerata Keith E. Hoffmaster 1934-5-13 172 Orange Santa Ana Mountains 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
  RSA17044  Datura wrightii Carl B. Wolf 1936-1-13 7694 Orange Santa Ana Canyon, Rancho Santa Ana, along R. R. right of way east of Ranch Houses. 137 Comment
  RSA647957  Datura wrightii Mark Breidenbaugh, Caralisa Breidenbaush 1992-5-1 15 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  RSA695  Datura wrightii J. T. Howell 1927-7-5 264 Orange Near ranch Lowers, Rancho Santa Ana. 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
  RSA522  Daucus pusillus J. T. Howell 1927-6-8 57 Orange Botany Garden, Rancho Santa Ana. 152 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-BC9091  Delphinium cardinale B. D. Stark 1931-6-6 2231 Orange Rancho Santa Ana 137 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
Read comments May 21 2011
  RSA6131  Delphinium cardinale E. R. Johnson 1932-6-14 s.n. Orange Edge of Rancho Santa Ana, Santa Ana Canyon. Alt. 450 ft. 137 Comment
  UC527601  Delphinium cardinale B. D. Stark 1931-6-6 2231 Orange Rancho Santa Ana 137 Comment
  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
  CAS-BOT-BC121546  Delphinium patens subsp. hepaticoideum Philip Alexander Munz; Robert Daniel Harwood 1920-4-24 3749 Orange Santa Ana Mtns, Sierra Canyon 365 Comment
  POM8761  Delphinium patens subsp. hepaticoideum P. A. Munz, R. D. Harwood 1920-4-24 3749 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA221084  Delphinium patens subsp. hepaticoideum E. W. Lathrop 1966-3-23 6107 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA784544  Delphinium patens subsp. hepaticoideum J. D. Olmsted 1959-5-13 627 Riverside Drainage area to Santa Ana River: Beacon Pines Ranch on Spring Trail, 100 yd below Main Divide T.T. 823 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
  RSA785384  Dendromecon rigida Keith E. Hoffmaster 1932-4-17 401 Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
Read comments Nov 27 2011
  UC1126384  Dendromecon rigida J. B. Spring 1931-3-18 25 Orange Black Star Canyon Corona Quadrangle 609 Comment
  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
  RSA2091  Dendromecon rigida subsp. rigida Stark 1931-5-23 2229 Orange Santa Ana River Bottom; sw of Ranch houses; Rancho Santa Ana 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
  RSA5311  Dendromecon rigida subsp. rigida B. D. Stark 1933-1-5 4506 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 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
  RSA162740  Descurainia californica J. D. Olmsted 1959-4-23 472 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  RSA3133  Descurainia pinnata subsp. menziesii C. B. Wolf 1932-2-26 2663 Orange Native to area near Prunus ilicifolia bed, Rancho Sant Ana Botanic Garden. 137 Comment
  RSA335  Descurainia pinnata subsp. menziesii J. T. Howell 1928-2-7 827 Orange Santa Ana River bottom, Rancho Santa Ana. 152 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
  RSA725576  Dicentra chrysantha Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6538 Orange Upper Fremont Canyon, 5.2 km ENE Irvine Lake Spillway and 2.0 km WNW Hidden Ranch. 673 Comment
  CAS-BOT-BC402524  Dicentra ochroleuca John Thomas Howell 1928-7-10 4079 Orange At head of Black Star Canon [Canyon], Santa Ana Mts. 701 Comment
  RSA1322  Dicentra ochroleuca J. T. Howell 1928-7-10 1096 Orange Black Star Canyon, Santa Ana Mts. 701 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
  RSA2093  Dicentra ochroleuca B. D. Stark 1931-5-23 2228 Orange Santa Ana river bottom, SW of Ranch Houses, Rancho Santa Ana 122 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
  RSA122  Dichelostemma capitatum subsp. capitatum J. T. Howell 1928-2-7 812 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA114378  Dichelostemma pulchellum var. pulchellum G. R. Campbell 1955-12-6 21492 Orange Nursery Seedlings at Botanic Garden, Prop. No. 6310, from seed coll. by E. K. Balls, May 28, 1949, from plants native to old Botanic Garden site, Santa Ana Canyon 183 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
  CAS-BOT-BC152061  Diplacus puniceus P. A. Munz; R. D. Harwood 1920-4-24 3758 Orange Santa Ana Mts., Sierra Canyon 365 Comment
  CAS-BOT-BC43551  Diplotaxis muralis Peter H. Raven 1962-3-27 16992 Orange Site of Rancho Santa Ana, near Anaheim. 182 Comment
  UC1215212  Diplotaxis muralis Peter H. Raven 1962-3-27 16992 Orange near Anaheim (Rancho Santa Ana); Rancho Santa Ana 182 Comment
Read comments Mar 18 2011
  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
  SD27980  Draba cuneifolia Carl B. Wolf 1932-2-17 2661 Orange Rancho Santa Ana Botanic Garden, just west of Adenostoma sparsifolum Bed. 600 Comment
  CAS-BOT-BC41654  Draba cuneifolia var. cuneifolia Carl B. Wolf 1932-2-17 2661 Orange Rancho Santa Ana Botanic Garden, just west Adensotoma sparsifolium bed. 182 Comment
  RSA701645  Drymocallis glandulosa Keith E. Hoffmaster 1934-4-22 s.n. Orange Santa Ana Mountains 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
  RSA311324  Dryopteris arguta R. F. Thorne 1963-7-26 32847 Orange Near Beek's Spring; Tin Mine Canyon; Trabuco District, Santa Ana Mountains, Cleveland National Forest. 716 Comment
Read comments Apr 25 2011
  RSA739332  Dryopteris arguta Keith E. Hoffmaster 1934-4-22 37 Orange Santa Ana Mountains. Comment
  RSA783269  Dryopteris arguta J. D. Olmsted 1959-4-23 460 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 732 Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR138439  Dryopteris arguta R. E. Riefner Jr. 2000-3-26 20 149 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of major stream fork along west channel drainage 335 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
  UCR264471  Dryopteris arguta S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1075 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 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
  RSA649685  Dudleya cymosa subsp. pumila R. E. Riefner 2000-6-7 20 -447 Orange NCCP North Ranch Policy Plan Area. Upper drainage of Fremont Canyon along National Forest Boundary, at powerline. 609 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
  RSA170990  Dudleya lanceolata R. F. Thorne 1963-7-26 s.n. Orange Near Beek's Spring; Tin Mine Canyon; Trabuco District, Santa Ana Mountains, Cleveland National Forest. 716 Comment
Read comments Apr 25 2011
  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
  RSA346  Dudleya lanceolata J. T. Howell 1927-7-3 255 Orange Claymine Canyon near Sierra Peak. 305 Comment
  RSA50298  Dudleya lanceolata E. K. Balls 1949-5-21 13470 Orange spontaneous in Rancho Santa Ana Botanic Garden (original site), hillside east of Cactus Garden, Santa Ana River Canyon. 198 Comment
  RSA663208  Dudleya lanceolata R. E. Riefner 2000-6-1 20 -456 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 473 Comment
  UCR119302  Dudleya lanceolata R. E. Riefner Jr., Adrian Wolf 2000-6-1 20- 456 Orange Santa Ana Mountains, North Ranch Policy Plan Area, north of Irvine Lake [Santiago Reservoir] and west of Black Star Canyon, west of dirt access road, W slope of Fremont Canyon. 473 Comment
  RSA584711  Dudleya multicaulis Fred M. Roberts 1989-6-7 4377 Orange Santa Ana Mountains: Upper Gypsum Canyon along ridge between Gypsum and Blind Canyon, c. 6.3 km WSW Sierra Peak. 411 Comment
  RSA649678  Dudleya multicaulis R. E. Riefner 2000-5-6 20 -407 Orange NCCP North Ranch Policy Plan Area: NE property; along powerline on National Forest boundary. 582 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
  UCR37776  Dudleya multicaulis Steve Boyd, L. F. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. Comment
  UCR52607  Dudleya multicaulis Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Canyon, head of Gypsum Canyon, along roadbanks 412 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
  RSA13068  Dudleya pulverulenta P. C. Everett 1935-7-5 2361 Orange Rancho Santa Ana, Santa Ana Canyon hill N of Grapefruit orchard 152 Comment
  RSA13069  Dudleya pulverulenta P. C. Everett 1935-7-5 2361 Orange Rancho Santa Ana, Santa Ana Canyon hill N of Grapefruit orchard 152 Comment
  RSA176277  Dudleya pulverulenta R. F. Thorne 1963-7-26 32845 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Santa Ana Mts. Cleveland Natl Forest. Comment
  RSA345  Dudleya pulverulenta J. T. Howell 1927-7-16 416 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC197032  Echinochloa colona E. R. Johnson 1936-7-10 8104 Orange Rancho Santa Ana, Santa Ana Canyon Vegetable Garden 121 Comment
  CAS-BOT-BC197034  Echinochloa colona E. R. Johnson 1936-7-10 8104 Orange Rancho Santa Ana, Santa Ana Canyon Vegetable Garden 121 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
  RSA21041  Echinochloa crus-galli E. R. Johnson 1938-8-22 9451 Orange Rancho Santa Ana, Santa Ana Canyon; South of Picnic Grounds 122 Comment
  RSA49  Echinochloa crus-galli Thos Howell 1927-10-29 787 Orange Near Cypress Station. 30 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
  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
  RSA86  Eleocharis geniculata J. T. Howell 1927-7-18 422 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC113331  Eleocharis montevidensis John Thomas Howell 1927-7-6 2660 Orange Wet soil of Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  RSA21065  Eleocharis montevidensis Ramon Valverde 1938-8-4 9439 Orange Rancho Santa Ana, Santa Ana Canyon 122 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
  RSA82  Eleocharis montevidensis var. montevidensis J. T. Howell 1927-7-6 279 Orange Santa Ana River bottom, Rancho Santa Ana 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
  CAS-BOT-BC112162  Eleocharis radicans John Thomas Howell 1927-7-6 2659 Orange Wet soil in Santa Ana River bottom, Santa Ana Canon 152 Comment
  RSA84  Eleocharis radicans J. T. Howell 1927-7-6 276 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  CAS-BOT-BC112211  Eleocharis rostellata John Thomas Howell 1927-7-21 2807 Orange Marsh, Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA85  Eleocharis rostellata J. T. Howell 1927-7-21 449 Orange Santa Ana River, Rancho Santa Ana. 152 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
  RSA34  Elymus glaucus J. T. Howell 1927-6-17 164 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA591752  Elymus glaucus E. W. Lathrop 1966-4-18 6172 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA548858  Elymus multisetus Fred M. Roberts, Gordon Marsh 1986-6-6 2986 Orange Black Star Canyon, Black Star Canyon Rd., 2.7 km by road below summit; 3.6 km S Sierra Peak., UTM 3741900m N, 439600mE. 646 Comment
  RSA65  Elymus multisetus J. T. Howell 1927-6-8 53 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA221007  Emmenanthe penduliflora E. W. Lathrop 1966-3-23 6081 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA610  Emmenanthe penduliflora J. T. Howell 1927-6-9 72 Orange Botany Garden, Rancho Santa Ana. [original location] 152 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
  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
Read comments Jun 16 2013
  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
  RSA162770  Epilobium canum subsp. canum J. D. Olmsted 1959-8-26 830 Orange 100 yards northeast of center of Hidden Ranch by pump along Black Star Canyon Road. N end of Santa Ana Mountains 671 Comment
  RSA511  Epilobium canum subsp. canum J. T. Howell 1927-7-26 480 Orange Claymine Canon near Sierra Peak. 244 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
  RSA494  Epilobium ciliatum subsp. ciliatum J. T. Howell 1927-7-19 440 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA495  Epilobium ciliatum subsp. ciliatum J. T. Howell 1927-10-29 776 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA496  Epilobium ciliatum subsp. ciliatum J. T. Howell 1927-7-5 267 Orange West side, Rancho Santa Ana [Botanic Garden]. 152 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-BC57384  Equisetum laevigatum John Thomas Howell 1927-6-6 2441 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA12  Equisetum laevigatum J. T. Howell 1927-6-6 42 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA21057  Equisetum laevigatum Ramon Valverde 1938-8-4 9447 or 3235 Orange Rancho Santa Ana, Santa Ana Canyon. 122 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
Read comments Dec 21 2019
  JEPS52502  Eremocarpus setiger John Thomas Howell 1927-9-24 3108 Orange Rancho Santa Ana Santa Ana Canyon 152 Comment
  RSA430  Eremocarpus setiger J. T. Howell 1927-9-24 742 Orange Santa Ana Botany Garden 152 Comment
  RSA697579  Eremocarpus setiger J. Vlahos 1933-1 s.n. Orange Blackstar Canyon. 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
  JEPS69115  Eriastrum sapphirinum John Thomas Howell 1927-6-9 2471 Orange Santa Ana Canyon Rancho Santa Ana 213 Comment
  UC908507  Eriastrum sapphirinum John Thomas Howell 1927-6-9 2471 Orange Santa Ana Canyon Rancho Santa Ana 213 Comment
  RSA264442  Ericameria brachylepis C. W. Tilforth 1976-10-21 1227 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
Read comments Mar 18 2011
  RSA644962  Ericameria cuneata var. cuneata R. E. Riefner, Adrian Wolf 2000-1-18 20 -104 Orange NCCP North Ranch Policy Plan Area. Upper drainage of Fremont Canyon: S. of Claymore Mine. 610 Comment
  UCR203875  Ericameria cuneata var. cuneata R. E. Riefner Jr. 2007-6-29 07- 285 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east fork of Fremont Canyon, Black Star SCE Road 613 Comment
  CAS-BOT-BC286881  Ericameria ericoides John Thomas Howell 1927-9-24 3114 Orange Hills on n. side of Santa Ana Canon [Canyon] 213 Comment
  SD28142  Ericameria pachylepis Carl B. Wolf 1931-10-30 2943 Orange Rancho Santa Ana. 206 Comment
  CAS-BOT-BC299499  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2943 Orange Rancho Santa Ana, Santa Ana Canyon 207 Comment
  CAS-BOT-BC299500  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2944 Orange Rancho Santa Ana, Santa Ana Canyon 207 Comment
  CAS-BOT-BC299501  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2708 Orange Rancho Santa Ana Botanical Garden 207 Comment
  CAS-BOT-BC299502  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 1363 Orange North side of Santa Ana Canyon 207 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
Read comments Dec 21 2019
  JEPS19147  Ericameria palmeri var. pachylepis John Thomas Howell 1927-9-24 3114 Orange Santa Ana Canon Rancho Santa Ana, Santa Ana Canon 152 Comment
  OBI5705  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2504 Orange Hiils on N side of Santa Ana cyn. (Rancho Santa Ana Botanic Garden-ner marker no 14E 9) 207 Comment
  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
  POM257106  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 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
  RSA16663  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA16664  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA16676  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA264439  Ericameria palmeri var. pachylepis C. W. Tilforth 1976-10-21 1228 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
Read comments Mar 18 2011
  RSA2886  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA29367  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA54171  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA843  Ericameria palmeri var. pachylepis J. T. Howell 1927-9-24 748 Orange Santa Ana Botany Garden 152 Comment
  RSA5305  Ericameria parishii B. D. Stark 1933-1-5 4498 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 Comment
  CAS-BOT-BC293091  Ericameria pinifolia John Thomas Howell 1927-10-23 3172 Orange On n. side of Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC293092  Ericameria pinifolia John Thomas Howell 1927-10-22 3158 Orange On n. side of Santa Ana Canon [Canyon] 213 Comment
  JEPS19148  Ericameria pinifolia John Thomas Howell 1927-10-23 3172 Orange Rancho Santa Ana Santa Ana Canyon, Rancho Santa Ana 152 Comment
  UCR231187  Ericameria pinifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39937 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1125 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
  RSA699736  Erigeron foliosus Keith E. Hoffmaster 1934-5-13 s.n. Orange Santa Ana Mountains 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
  UCR264075  Erigeron foliosus S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1079 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  UCSB37926  Erigeron foliosus Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
Read comments 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
  IRVC9107  Erigeron foliosus var. stenophyllus R. Seibel 1966-5-18 132 Orange Old Rancho Santa Ana Botanical Garden at end of Orangethorpe Ave. Chino Hills 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
  RSA171104  Eriodictyon crassifolium Robert F. Thorne 1963-7-26 32836 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest 854 Comment
  RSA455040  Eriodictyon crassifolium Theodore Payne 1909-01 2338 Orange Santa Ana Mt. Comment
  RSA5322  Eriodictyon crassifolium B. D. Stark 1932-12-30 4473 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 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
Read comments Oct 31 2011
  RSA699659  Eriodictyon crassifolium Keith E. Hoffmaster 1931-3-22 s.n. Orange Santa Ana Mountains Comment
  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
  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
  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
  RSA5321  Eriodictyon trichocalyx B. D. Stark 1932-12-30 4474 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 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
  RSA211  Eriogonum elongatum J. T. Howell 1927-9-24 741 Orange Santa Ana Botany Garden 152 Comment
  CAS-BOT-BC249758  Eriogonum elongatum var. elongatum John Thomas Howell 1927-9-24 3107 Orange Hills on n. side of Santa Ana Canon [Canyon] 182 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-BC249948  Eriogonum fasciculatum var. foliolosum Philip A. Munz 1946-8-25 11530 Orange North of Assembly Hall, Rancho Santa Ana Botanic Garden 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
  RSA214  Eriogonum fasciculatum var. foliolosum J. T. Howell 1927-7-24 474 Orange Santa Ana River bottom near Rancho Santa Ana. 152 Comment
  RSA215  Eriogonum fasciculatum var. foliolosum J. T. Howell 1927-7-24 475 Orange Santa Ana River bottom near Rancho Santa Ana. 152 Comment
  RSA5381  Eriogonum fasciculatum var. foliolosum B. D. Stark 1932-12-30 4458 Orange Rancho Santa Ana, 1/4 mile W of Roundtop. 457 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
Read comments Jun 11 2012
  CAS-BOT-BC253482  Eriogonum gracile John Thomas Howell 1927-7-24 2832 Orange Claymine Canyon, N. Santa Ana Mts. 152 Comment
  SBBG62090  Eriogonum gracile J. T. Howell 1927-7-16 2791 Orange N side of Santa Ana Cyn 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
  CAS-BOT-BC263016  Eriogonum thurberi P. C. Everett 1935-5-17 6866 Orange Rancho Santa Ana, Santa Ana Canyon 1/4 mi. So. of Orange County Plant Sanctuary 121 Comment
  CAS-BOT-BC263018  Eriogonum thurberi E. R. Johnson 1933-6-22 4999 Orange Rancho Santa Ana, Santa Ana Canyon river bottom S. of Walnut Grove 121 Comment
  CAS-BOT-BC263019  Eriogonum thurberi John Thomas Howell 1927-7-24 2820 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC263020  Eriogonum thurberi John Thomas Howell 1927-6-6 2452 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  POM158196  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
Read comments Dec 29 2009
  RSA13107  Eriogonum thurberi Percy C. Everett 1935-5-17 6866 Orange Rancho Santa Ana, Santa Ana Canyon, 1/4 mi. S of Orange County Plant Sanctuary. 122 Comment
  RSA236  Eriogonum thurberi J. T. Howell 1927-7-24 462 Orange Santa Ana River bottom near Rancho Santa Ana. 152 Comment
  RSA237  Eriogonum thurberi J. T. Howell 1927-6-6 52 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA6141  Eriogonum thurberi E. R. Johnson 1933-6-22 4999 Orange Santa Ana River bottom. Rancho Santa Ana south of the Walnut Grove. 122 Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  SD40736  Eriogonum thurberi E. R. Johnson 1933-6-22 4999 Orange Rancho Santa Ana, Santa Ana Canyon river bottom S. of Walnut Grove 121 Comment
  CAS-BOT-BC297329  Eriophyllum confertiflorum John Thomas Howell 1927-6-26 2592 Orange Claymine Canon, N Santa Ana Mts 243 Comment
  RSA5331  Eriophyllum confertiflorum B. D. Stark 1933-1-3 4483 Orange Rancho Santa Ana near pear orchard. 122 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
  RSA783824  Eriophyllum confertiflorum var. confertiflorum J. D. Olmsted 1959-5-1 531 Orange Santa Ana Mt. Range: Drainage to Santa Ana River . 100 yards NW of Rattlesnake Rock. 0.5 mi N of Hidden Ranch in Black Star Canyon. 4-5 mi Irvine Lake Reservoir to the west. 732 Comment
  UC421696  Eriophyllum confertiflorum var. confertiflorum John Thomas Howell 1927-6-26 2592 Orange Claymine Canyon n. Santa Ana Mts., Claymine Canyon 243 Comment
  HSC8468  Erodium botrys S. M. Clapp 1966-4-9 36 Orange Entrance to Black Star Canyon 152 Comment
  RSA642641  Eryngium aristulatum var. parishii J. E. Harrison 1999-5-19 502 San Diego South Carlsbad, n. of Poinsettia Blvd., e. of AT&SF railroad tracks, and w. of Avenida Encinas. 15 Comment
Read comments Aug 31 2018
  RSA696171  Erysimum capitatum Keith E. Hoffmaster 1932-4-17 s.n. Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  CAS-BOT-BC403361  Eschscholzia californica P. A. Munz; R. D. Harwood 1920-2-28 3271 Riverside 3 mi west of Corona 304 Comment
  RSA312  Eschscholzia californica var. peninsularis J. T. Howell 1927-6-22 194 Orange Botany Garden, Rancho Santa Ana. 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
  RSA609  Eucrypta chrysanthemifolia J. T. Howell 1927-6-21 180 Orange Botany Garden, Rancho Santa Ana. 152 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
  JEPS1722  Eucrypta chrysanthemifolia var. chrysanthemifolia John Thomas Howell 1927-6-21 2566 Orange Rancho Santa Ana; Santa Ana Canyon 152 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
  RSA431  Euphorbia spathulata J. T. Howell 1928-4-15 923 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  GH402412  Eustoma exaltatum P. C. Everett 1936-9-29 8275 Unknown Rancho Santa Ana, Santa Ana Canyon 121 Comment
  JEPS46997  Eustoma exaltatum John Thomas Howell 1927-9-24 3115 Orange near Peralta sta. (Santa Ana River bottom, Rancho Santa Ana); Rancho Santa Ana, Santa Ana River 152 Comment
  RSA17459  Eustoma exaltatum Percy C. Everett 1936-9-29 8275 Orange Rancho Santa Ana, Santa Ana River Bottom, Santa Ana Canyon. 122 Comment
  RSA552  Eustoma exaltatum J. T. Howell 1927-9-24 749 Orange Santa Ana River Bottom, Rancho Santa Ana 152 Comment
  JEPS32340  Euthamia occidentalis John Thomas Howell 1927-10-22 3167 Orange Rancho Santa Ana Santa Ana River bottom 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
  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
  SBBG101678  Festuca microstachys var. pauciflora S. Boyd with Mistretta 1991-5-9 6193 Orange Oak Flat, SE of Sierra Pk, just W of Riverside County line 792 Comment
  SD28080  Festuca temulenta E. R. Johnson 1932-5-18 3638 Orange Rancho Santa Ana Botanic Garden, east edge of grain field bordering Rancho. 198 Comment
  RSA852  Filago californica J. T. Howell 1928-4-7 901 Orange Santa Ana River bottom, Rancho Santa Ana 152 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-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
  LA50901  Fraxinus dipetala Joseph Andorfer Ewan; 1933-3-19 10897 Riverside Santa Ana Mountains, Tin Mine Canyon Comment
  RSA0042150  Fraxinus dipetala Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. [locality information from field label; note on newspaper 'N slope Pleasant's Pk, 1.5 mi. S Beek's Place]. 900 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
  RSA160521  Fraxinus dipetala J. D. Olmsted 1959-4-23 468 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  RSA171936  Fraxinus dipetala Robert F. Thorne 1963-7-26 32856 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest. 732 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
  RSA5313  Fraxinus dipetala B. D. Stark 1933-1-5 4502 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 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
  RSA698196  Fraxinus dipetala J. Vlahos 1934-4-6 s.n. Orange Top of Black Star Canyon. Comment
  RSA735358  Fraxinus dipetala Keith E. Hoffmaster 1934-4-8 155 /180 Riverside Santa Ana Mts. Comment
  SBBG98328  Fraxinus dipetala E. Crow 1929-4-7 287 Orange E end of Corona Skyline drive Comment
  UC1123366  Fraxinus dipetala R. St. John 1931-3-25 199 Riverside e of Sierra Peak; Corona Quad. 457 Comment
Read comments Nov 27 2011
  UC2042136  Fraxinus dipetala R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. [locality information from field label; note on newspaper 'N slope Pleasant's Pk, 1.5 mi S Beek's Place] Comment
  UCD170071  Fraxinus dipetala R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. 899 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
  CAS-BOT-BC218564  Fraxinus velutina E. R. Johnson 1933-7-6 5170 Orange Santa Ana River, Santa Ana Canyon, Rancho Santa Ana 121 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
  RSA649055  Fritillaria biflora D. E. Bramlet 2000-4-12 2978 Orange Tributary to Fremont Canyon. the site is 396m northwest of the Edison Spur road and 1.2km southeast of the Fremont ridge road. The locality is 305m southwest of knoll 1515. 372 Comment
  UCR142544  Fritillaria biflora D. E. Bramlet 2000-4-12 2978 Orange Peninsular Ranges: Santa Ana Mountains, Tributary to Fremont Canyon, 396m northwest of the Edison Spur road and 1.2 km southeast of the Fremont ridge road; 305m southwest of knoll 1515 113 Comment
  RSA565  Funastrum cynanchoides var. hartwegii J. T. Howell 1927-7-24 469 Orange Claymine Canyon, near Sierra Peak 152 Comment
  RSA566  Funastrum cynanchoides var. hartwegii J. T. Howell 1927-7-24 461 Orange Santa Ana River bottom near Rancho Santa Ana. 152 Comment
  RSA567  Funastrum cynanchoides var. hartwegii J. T. Howell 1927-6-3 19 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA647961  Galium angustifolium Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 28 Orange 1/2 mile south of Chino Hills State Park. 168 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
  POM8759  Galium aparine Philip A. Munz, R. D. Harwood 1920-4-24 3754 Orange Santa Ana Mountains, Sierra [Freemont] Canyon. 366 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
  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
  RSA543971  Galium porrigens Steve D. Boyd, Orlando Mistretta 1991-5-9 6202 A Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 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
  RSA700908  Galium siccatum Unspecified s.n. Orange Black Star Canyon Comment
  CLARK-A1528-2935  Garrya flavescens John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  RSA5291  Garrya flavescens B. D. Stark 1933-1-5 4505 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 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
  UCR108316  Garrya flavescens Steve Boyd, B. O'Brien 1998-1-13 10075 Orange Santa Ana Mtns, N end of range, head of Tin Mine Canyon along Main Divide Road (3S04) c. 1.8 mi south of Oak Flat 884 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
  IRVC24957  Garrya flavescens var. pallida Fred M. Roberts, Gordon A. Marsh 1986-6-6 2931 Orange Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges 820 Comment
  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
  RSA608241  Garrya flavescens var. pallida Steve Boyd, Bart O'Brien 1998-1-13 10075 Orange Santa Ana Mountains: north end of the range, head of Tin Mine Canyon along Main Divide Road (3S04) ca. 1.8 mi south of Oak Flat. 884 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
  RSA53  Gastridium phleoides J. T. Howell 1927-6-17 163 Orange Botany Garden, Rancho Santa Ana. 152 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
  POM8756  Geranium carolinianum P. A. Munz, R. D. Harwood 1920-4-24 3791 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  POM10159  Gilia angelensis P. A. Munz, R. D. Harwood 1920-4-24 3766 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA698350  Gilia multicaulis R. H. McArthur s.n. Orange Gypsum Canyon. Comment
  RSA612342  Glycyrrhiza lepidota L. C. Wheeler 1932-7-9 942 Orange Santa Ana River 5 miles below Prado. 152 Comment
  RSA7326  Glycyrrhiza lepidota E. R. Johnson 1933-7-6 5169 Orange 1/2 mile south of Mexican houses, Rancho Santa Ana 122 Comment
  UC864091  Glycyrrhiza lepidota Louis C. Wheeler 1932-7-9 942 Orange 5 mi below Prado; Santa Ana River 152 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
  RSA736577  Gnaphalium beneolens Keith E. Hoffmaster 1934-4-8 142 Orange Santa Ana Mts. 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
  RSA856  Gnaphalium chilense J. T. Howell 1927-7-21 453 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA860  Gnaphalium chilense J. T. Howell 1927-10-29 781 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA1303  Gnaphalium leucocephalum J. T. Howell 1928-9-6 1208 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  POM8299  Gnaphalium microcephalum P. A. Munz 1920-2-28 3273 Riverside 3 miles west of Corona. 305 Comment
  RSA857  Gnaphalium palustre J. T. Howell 1927-7-18 431 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA771515  Godetia purpurea Keith E. Hoffmaster 1934-5-13 170 Orange Santa Ana Mountains Comment
  RSA649682  Grindelia camporum var. bracteosa R. E. Riefner 2000-7-8 20 -626 Orange NCCP North Ranch Policy Plan Area. On ridgetop overlooking W fork of Fremont Cyn.; located E of Main Divide Road along the powerline. 394 Comment
  UCR113450  Grindelia camporum var. bracteosa R. E. Riefner Jr. 2000-7-8 20- 626 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, on ridgetop overlooking W fork of Fremont Canyon, east of Main Divide Road along the powerline 396 Comment
  UCR119299  Grindelia camporum var. bracteosa R. E. Riefner Jr. 2000-7-8 20- 626 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, on ridgetop overlooking W fork of Fremont Canyon, east of Main Divide Road along the powerline 396 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
  RSA17135  Guillenia lasiophylla E. R. Johnson 1936-4-27 7776 Orange Rancho Santa Ana, Santa Ana cayon, in Canyon W of Tennis court, Botanic Garden. 168 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
  RSA264441  Gutierrezia californica C. W. Tilforth 1976-10-21 1226 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
Read comments Mar 18 2011
  RSA864  Gutierrezia californica J. T. Howell 1927-7-28 510 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
  RSA867  Gutierrezia californica J. T. Howell 1927-9-24 746 Orange Santa Ana Botany Garden 152 Comment
  RSA868  Gutierrezia californica J. T. Howell 1927-11-6 802 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC302136  Gutierrezia sarothrae John Thomas Howell 1927-9-24 3111 Orange Hills on n. side of Santa Ana Canon [Canyon] 213 Comment
  CAS-BOT-BC302137  Gutierrezia sarothrae John Thomas Howell 1927-7-28 2866 Orange In hills on n. side of Santa Ana Canon [Canyon] 182 Comment
  CAS-BOT-BC302138  Gutierrezia sarothrae John Thomas Howell 1927-7-22 2816 Orange In hills on north side of Santa Ana Canon [Canyon] 182 Comment
  JEPS18975  Gutierrezia sarothrae John Thomas Howell 1927-9-24 3111 Orange Santa Ana Canyon , Rancho Santa Ana 152 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
  UCR231201  Haplopappus squarrosus A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39939 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1143 Comment
  CAS-BOT-BC307267  Hazardia squarrosa var. grindelioides John Thomas Howell 1927-10-22 3160 Orange N. side of Santa Ana Canyon 304 Comment
  RSA5276  Hazardia squarrosa var. grindelioides B. D. Stark 1932-12-15 4452 Orange Rancho Santa Ana, slope above grove #4 145 Comment
  RSA871  Hazardia squarrosa var. grindelioides J. T. Howell 1927-10-22 758 Orange Bluffs near eastern boundary, Rancho Santa Ana 213 Comment
  CAS-BOT-BC309485  Helenium puberulum John Thomas Howell 1927-7-21 2808 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  RSA872  Helenium puberulum J. T. Howell 1927-7-15 402 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 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
  RSA725583  Helianthemum scoparium Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6530 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 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
  UC1121541  Helianthemum scoparium A. Lewis 1934-3-1 359 Orange Head of Hagador Canyon Cleveland National Forest, Corona Quad. 1112 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
  UCR4047  Helianthemum scoparium Carole Sims 1965-3-25 s.n. Orange Santa Ana River Canyon, hillside at 24000 Santa Ana Canyon Road (= State Hwy 91), 150 yards north of hwy; also called Gypsum Canyon. West side of gravel company's trucking road. 221 Comment
  RSA162726  Helianthemum scoparium var. aldersonii J. D. Olmsted 1959-4-17 411 Riverside Rattlesnake Rock along Black Star Canyon Road 1 mi. north of Hidden Ranch and below Beacon Pines Ranch; 10 mi. SW of Corona 747 Comment
Read comments Jun 6 2013
  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
Read comments Feb 23 2019
  RSA479  Helianthemum scoparium var. vulgare J. T. Howell 1928-4-15 920 Orange Bluffs at eastern boundary of the Rancho Santa Ana Comment
  CAS-BOT-BC305446  Helianthus annuus John Thomas Howell 1927-7-27 2846 Orange Hills on n. side of Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC305447  Helianthus annuus John Thomas Howell 1927-7-27 2846 Orange In hills on north side of Santa Ana Canyon 152 Comment
  POM319631  Helianthus annuus Patricia Wilder 1970-10-15 4765 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA647889  Helianthus annuus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 73 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  RSA873  Helianthus annuus subsp. lenticularis J. T. Howell 1927-7-27 484 Orange Near ranch, Rancho Santa Ana 152 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
  RSA725574  Helianthus gracilentus Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6531 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA7324  Helianthus gracilentus E. R. Johnson 1933-7-6 5167 Orange 1/2 mile south of Mexican houses, Rancho Santa Ana 122 Comment
  RSA736587  Helianthus gracilentus Keith E. Hoffmaster 1934-5-13 173 Orange Santa Ana Mountains Comment
  RSA874  Helianthus gracilentus J. T. Howell 1927-7-3 256 Orange Claymine Canyon near Sierra Peak. 305 Comment
  UCR230222  Helianthus gracilentus Dick Newell, Ed Hill 2011-3-29 099 Orange Peninsular Range; Santa Ana Mtns., 200 yards NE of old coal mine, under power lines, off Coal Rd. below intersection with Upper Blind Cyn. Rd. 482 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
  SEINET3083751 Image available Heliotropium curassavicum Janice Hollinger 1972-4-16 720416 -5 Orange Santa Ana River bottom, off Coal Canyon Road. 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
  RSA184178  Heliotropium curassavicum var. oculatum I. L. Wiggins 1965-11-6 20349 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA647  Heliotropium curassavicum var. oculatum J. T. Howell 1927-6-17 159 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CLARK-A1528-1917  Hemizonia fasciculata John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  POM5000  Hemizonia fasciculata H. M. Hall 1906-6-19 7411 Orange Gypsum, Santa Ana Canyon 122 Comment
Read comments Sep 4 2011
  POM56177  Hemizonia fasciculata H. M. Hall 1906-6-19 7411 Orange Gypsum, Santa Ana Canyon 122 Comment
Read comments 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
  RSA806  Hemizonia laevis J. T. Howell 1927-7-15 406 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 Comment
  GH414595  Hemizonia paniculata P. A. Munz & I. M. Johnston 1928-9-6 11285 Unknown near Santa Ana River, Corona-Ontario road Comment
Read comments 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
  RSA649843  Hesperolinon micranthum D. E. Bramlet 2000-6-27 3065 Orange Upper east Blind Canyon. The site is 152m west of the Fremont Cyn. ridge road and 122m south of the Blind Cyn. access road. This locality is 244m northeast of the old mine site. 144 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
  RSA0072402  Heteromeles arbutifolia Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6505 Orange Beek's Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 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
  SD42379  Heteromeles arbutifolia P. C. Everett 1936-1-25 7697 Orange Santa Ana Canyon, Rancho Santa Ana, from a wild plant in the Palm Canyon in the Botanic Garden 182 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
  UC527322  Heteromeles arbutifolia Carl B. Wolf and B. D. Stark 1932-12-19 Orange 0.5 mi from Skyline Drive (on firebreak road to Sierra Peak); Santa Ana Mts. 762 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
  UCR223436  Heteromeles arbutifolia Dick Newell, Don Millar 2011-2-8 056 Orange Peninsular Range; Santa Ana Mtns., Black Star Coal Mine above Fremont Canyon, along Coal Rd. 475 Comment
  UCR231191  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39936 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1152 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
  CAS-BOT-BC318905  Heterotheca grandiflora Ira L. Wiggins 1965-9-6 20354 Orange Kraemer Oil Estates near Well #14 near end of county road to Rancho Santa Ana Comment
  CAS-BOT-BC318909  Heterotheca grandiflora John Thomas Howell 1927-9-24 3119 Orange Santa Ana River bottom, Santa Ana Canyon 152 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
  RSA812  Heterotheca sessiliflora subsp. echioides J. T. Howell 1927-9-24 744 Orange Santa Ana River Bottom, Rancho Santa Ana 152 Comment
  CAS-BOT-BC318988  Heterotheca sessiliflora var. echioides John Thomas Howell 1927-9-24 3109 Orange North side of Santa Ana Canyon 213 Comment
  CAS-BOT-BC318989  Heterotheca sessiliflora var. echioides John Thomas Howell 1927-9-24 3109 Orange North side of Santa Ana Canyon 213 Comment
  CAS-BOT-BC55401  Hirschfeldia incana Ira L. Wiggins 1965-11-6 20344 Orange Near Well No. 14 on Kraemer Oil Estates, near end of county road leading to Rancho Santa Ana. Comment
  CAS-BOT-BC55403  Hirschfeldia incana John Thomas Howell 1927-7-5 2649 Orange Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  RSA38433  Hoffmannseggia glauca E. L. Paddock 1946-6-14 11519 Orange Rancho Santa Ana, along AT & SF Ry., above old pear orchard. Area of approximately 100 sq. ft. 121 Comment
  RSA7325  Hoita macrostachya E. R. Johnson 1933-7-6 5168 Orange 1/2 mile south of Mexican houses, Rancho Santa Ana 122 Comment
  A345008  Holodiscus discolor E. R. Johnson 1933-6-22 5000 Unknown Rancho Santa Ana, Santa Ana Canyon, N.W. Corner of Ranch, 1/4 Mi. E., 1/2 Mi. S. 304 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
  RSA160424  Holodiscus discolor J. D. Olmsted 1959-4-30 504 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 793 Comment
  RSA172273  Holodiscus discolor Robert F. Thorne 1963-7-26 32851 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Cleveland National Forest. 732 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
  RSA6142  Holodiscus discolor E. R. Johnson 1933-6-22 5000 Orange 1/4 mile east and 1/2 miles south of northwest corner of Rancho Santa Ana in Sect. 16 305 Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  RSA663167  Holodiscus discolor R. E. Riefner 2000-6-22 20 -574 Orange NCCP North Ranch Policy Plan Area, NE property; along National Forest boundary, at powerline. 756 Comment
  SD40737  Holodiscus discolor E. R. Johnson 1933-6-22 5000 Orange Rancho Santa Ana, Santa Ana Canyon, NW corner of ranch, 1/4 Mi. E, 1/2 mi. S 305 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
  UCR119313  Holodiscus discolor R. E. Riefner Jr. 2000-6-22 20- 574 Orange Santa Ana Mountains, North Ranch Policy Plan Area, NE property, along National Forest boundary, at powerline 756 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-BC150005  Holodiscus discolor var. discolor E. R. Johnson 1933-6-22 5000 Orange Rancho Santa Ana, Santa Ana Canyon N.W. corner of ranch, 1/4 mi. E., 1/2 mi. S. 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
  RSA725575  Holodiscus microphyllus Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6539 Orange Upper Fremont Canyon, 5.3 km ENE Irvine Lake Spillway and 1.6 km W Hidden Ranch. 738 Comment
  RSA4806  Hordeum depressum James Snow 1932-1 s.n. Orange Bryant Ranch , near Long Beach, Calif. Station #1, Plant 6 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
  RSA543972  Hordeum murinum subsp. leporinum Steve Boyd, Orlando Mistretta 1991-5-9 6202 B Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  RSA55  Hordeum murinum subsp. leporinum J. T. Howell 1928-3-17 869 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA1305  Hydrocotyle ranunculoides J. T. Howell 1928-9-6 1207 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA525  Hydrocotyle umbellata J. T. Howell 1927-7-19 441 Orange Santa Ana River bottom, Rancho Santa Ana [Botanic Garden] 152 Comment
  RSA526  Hydrocotyle umbellata J. T. Howell 1927-8-13 624 Orange Santa Ana River Bottom 152 Comment
  RSA80329  Hydrocotyle umbellata J. T. Howell, F. Peirson 1927-8-13 7687 Orange Santa Ana River, Rancho Santa Ana, eastern end of Orange County. Comment
  RSA527  Hydrocotyle verticillata J. T. Howell 1927-7-5 273 Orange West side, Rancho Santa Ana [Botanic Garden]. 152 Comment
  RSA80332  Hydrocotyle verticillata J. T. Howell 1927-7-5 2658 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  POM360744  Hymenoclea salsola var. salsola N. C. Cooper 1948-4-21 2683 Los Angeles Littlerock Reservoir. 762 Comment
Read comments Jun 21 2013
  IRVC14741  Hypochaeris glabra A. S. Boughey 1968-4-23 205 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains Comment
  RSA783567  Isocoma J. D. Olmsted 1959-5-1 519 Orange 500 yards west of Oat Flat past Johnson's dam; 9 mi. SW of Corona. 793 Comment
  POM17836  Isocoma menziesii P. A. Munz 1923-9-6 7726 San Bernardino Rincon. 183 Comment
Read comments Jul 16 2014
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  SD124238  Isocoma menziesii var. menziesii C. W. Tilforth 1976-10-21 1225 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana Comment
  RSA264440  Isocoma menziesii var. vernonioides C. W. Tilforth 1976-10-21 1225 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
Read comments Mar 18 2011
  RSA5380  Isocoma menziesii var. vernonioides B. D. Stark 1932-12-30 4459 Orange Rancho Santa Ana, 1/4 mile W of Roundtop. 457 Comment
  RSA890  Isocoma menziesii var. vernonioides J. T. Howell 1927-10-29 785 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA892  Isocoma menziesii var. vernonioides J. T. Howell 1927-9-24 738 Orange Santa Ana Botany Garden 152 Comment
  UC1424944  Isocoma menziesii var. vernonioides C. W. Tilforth 1976-10-21 1225 Orange slopes above Santa Ana River Canyon (on Rancho Santa Ana) Comment
  CAS-BOT-BC112424  Isolepis cernua John Thomas Howell 1927-7-19 2799 Orange Moist shady situation, Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  RSA90  Isolepis cernua J. T. Howell 1927-7-18 434 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  POM122693  Jepsonia parryi Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA172  Juglans californica J. T. Howell 1927-7-27 485 Orange Near ranch, Rancho Santa Ana 152 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
Read comments 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
  RSA103  Juncus bufonius J. T. Howell 1928-4-14 915 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA105  Juncus mexicanus J. T. Howell 1927-6-21 187 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA106  Juncus mexicanus J. T. Howell 1927-6-16 145 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA108  Juncus mexicanus J. T. Howell 1927-7-18 436 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA6061  Juncus mexicanus E. R. Johnson 1932-5-5 3702 Orange Santa Ana River, Rancho Santa Ana 122 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
  UC729648  Juncus mexicanus E. R. Johnson 1932-5-5 Orange Santa Ana River bottom, near ranch house Santa Ana Canyon, Rancho Santa Ana 121 Comment
  RSA109  Juncus oxymeris J. T. Howell 1927-7-3 254 Orange Claymine Canyon near Sierra Peak. 305 Comment
  RSA543966  Juncus patens Steve Boyd, Orlando Mistretta 1991-5-9 6197 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  RSA562612  Juncus patens Steve Boyd, Fred M. Roberts 1992-10-14 7714 Orange Northern Santa Ana Mountains, vicinity of Oak Flats (aka Oat Flats) northeast of the junction of Main Divide Road and Skyline Road, just west of Riverside County line 800 Comment
  RSA50308  Juncus phaeocephalus E. K. Balls 1949-5-9 13467 Orange [Rancho Santa Ana] Botanic Garden, Santa Ana River Canyon. 198 Comment
  RSA50307  Juncus phaeocephalus var. paniculatus E. K. Balls 1949-6-6 13467 -A Orange [Rancho Santa Ana] Botanic Garden, Santa Ana River Canyon. 198 Comment
  POM158189  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1928-9-6 11274 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA110  Juncus rugulosus J. T. Howell 1927-7-18 423 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA663202  Juncus rugulosus R. E. Riefner 2000-3-26 20 -151 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  UCR138438  Juncus rugulosus R. E. Riefner Jr. 2000-3-26 20 151 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of major stream fork along west channel drainage 335 Comment
  POM158188  Juncus torreyi Phillip A. Munz, I. M. Johnston 1928-9-6 11273 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA104  Juncus torreyi J. T. Howell 1927-7-14 399 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA101  Juncus xiphioides J. T. Howell 1927-7-18 427 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA21064  Juncus xiphioides Ramon Valverde 1938-8-4 9440 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA7323  Juncus xiphioides E. R. Johnson 1933-7-5 5166 Orange Rancho Santa Ana. 122 Comment
  UC520018  Juncus xiphioides Joseph Andorfer Ewan 1932-7-9 7484 Orange 4 mi below Rincon (Prado); Santa Ana River Comment
  POM282592  Juniperus californica J. Higginbotham 1932-05 1 Kern Kernville, Greenhorn Mountain Range, Kern River watershed 671 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
  RSA5279  Keckiella antirrhinoides B. D. Stark 1932-12-15 1701 Orange Rancho Santa Ana, slope above grove #4. 145 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
  RSA612318  Keckiella antirrhinoides Louis C. Wheeler 1932-7-9 943 Orange Santa Ana River 5 miles below Prado. 152 Comment
  RSA740  Keckiella antirrhinoides J. T. Howell 1927-6-5 33 Orange Rancho Santa Ana, near east boundary. 152 Comment
  UC1063326  Keckiella antirrhinoides A. Lewis Mar 1934 340 Orange Santa Ana Canyon; Corona Quad. 152 Comment
  UC1280772  Keckiella antirrhinoides H. E. McMinn 1935-6-22 3920 Orange e base of n end Santa Ana Mountains 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
Read comments 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
  RSA171016  Keckiella cordifolia Robert F. Thorne 1963-7-26 32854 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Cleveland National Forest. 732 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
  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
  RSA184078  Kochia scoparia I. L. Wiggins 1966-4-3 20576 Orange Railroad embankment near entrance to Rancho Santa Ana. Comment
  RSA72  Koeleria macrantha J. T. Howell 1928-3-17 879 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA894  Lactuca serriola J. T. Howell 1927-7-27 496 Orange Near ranch, Rancho Santa Ana 152 Comment
  RSA783565  Lagophylla ramosissima J. D. Olmsted 1959-5-1 528 Riverside Drainage area to Irvine Lake. Oat Flat at intersection of Skyline Dr. and Main Divide T.T.; 9 mi. SW of Corona 823 Comment
  UCD63411  Lamarckia aurea F. M. Reed 1925-4-15 6325 Orange Santa Ana Canon, near Canal Bridge. Comment
  UCR2510  Lamarckia aurea F. M. Reed 1925-4-15 6325 Orange Santa Ana Canyon near Canal Bridge 168 Comment
Read comments Dec 7 2014
  HSC5147  Lasthenia californica S. M. Clapp 1966-4-10 46 Orange 10 mi. into Black Star Canyon, near the summit 244 Comment
  POM361517  Lasthenia californica E. Crow 1929-4-7 310 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA17131  Lasthenia gracilis C. B. Wolf 1936-4-28 7780 San Bernardino Rancho Santa Ana, Lower end of Aliso Canyon. 183 Comment
  RSA736588  Lasthenia gracilis Keith E. Hoffmaster 1931-3-15 367 Orange Santa Ana Mountains 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
Read comments 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
  IRVC24954  Lepechinia cardiophylla Fred M. Roberts, Gordon A. Marsh 1986-6-6 2933 Orange Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges 820 Comment
Read comments Feb 22 2017
  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
  RSA160464  Lepechinia cardiophylla J. D. Olmsted 1959-4-30 503 Riverside Spring Trail at Beacon Pines Ranch; 9 mi. SW of Corona. Alt. 2500 ft.; slope north west 35 deg 762 Comment
  RSA171015  Lepechinia cardiophylla Robert F. Thorne 1963-7-26 32853 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest. 732 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
  RSA649677  Lepechinia cardiophylla R. E. Riefner Jr. 2000-8-3 20 -706 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and Windy Ridge cypress forest. 535 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
  UCR203897  Lepechinia cardiophylla R. E. Riefner Jr. 2008-3-21 08- 59 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, west Fremont Canyon, Windy Ridge south to west fork canyon 463 Comment
  UCR203908  Lepechinia cardiophylla R. E. Riefner Jr. 2008-6-12 08- 152 Orange Santa Ana Mountains, Irvine Ranch Reerve, Fremont Canyon Conservation Eaement, west Fremont Canyon, Windy Ridge south to west fork canyon habitat 515 Comment
  UCR231204  Lepechinia cardiophylla A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39942 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1143 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
  RSA326  Lepidium lasiocarpum J. T. Howell 1928-2-26 859 Orange Botany Garden, Rancho Santa Ana. 152 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
  CAS-BOT-BC12520  Lepidium nitidum Carl B. Wolf 1932-2-15 2657 Orange Rancho Santa Ana Botanic Garden, above the Rubus beds. 182 Comment
  CAS-BOT-BC12521  Lepidium nitidum Carl B. Wolf 1932-2-15 2658 Orange Rancho Santa Ana Botanic Garden, near the tan oak beds. 182 Comment
  RSA325  Lepidium nitidum J. T. Howell 1928-2-7 813 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  SD27942  Lepidium nitidum Carl B. Wolf 1932-2-15 2657 Orange Rancho Santa Ana Botanic Garden, above the Rubus beds 185 Comment
  SD28156  Lepidium nitidum Carl B. Wolf 1932-2-15 2658 Orange Rancho Santa Ana Botanic Garden near the Tan Oak Beds 185 Comment
  UCR4054  Lepidium virginicum Carole Sims 1965-3-25 s.n. Orange Santa Ana River Canyon, hillside at 24000 Santa Ana Canyon Road (= State Hwy 91), 150 yards north of hwy; also called Gypsum Canyon. West side of gravel company's trucking road. 221 Comment
  RSA328  Lepidium virginicum var. pubescens J. T. Howell 1927-6-21 175 Orange Near ranch houses, Rancho Santa Ana. 152 Comment
  RSA329  Lepidium virginicum var. pubescens J. T. Howell 1927-6-20 172 Orange Botany Garden, Rancho Santa Ana 152 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
  RSA699300  Lepidospartum squamatum Keith E. Hoffmaster 1933-10-15 1158 Orange Santa Ana Mts. Comment
  RSA899  Lepidospartum squamatum J. T. Howell 1927-7-28 505 Orange West side, Rancho Santa Ana. 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
  RSA696979  Leptodactylon californicum Keith E. Hoffmaster 1927-4-8 s.n. Orange Santa Ana Mountains 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
  POM10156  Leptosiphon androsaceus P. A. Munz, R. D. Harwood 1920-4-24 5773 Orange Santa Ana Mountains 366 Comment
Read comments Sep 17 2011
  RSA574  Leptosiphon androsaceus J. T. Howell 1928-4-7 905 Orange Botany Garden, Rancho Santa Ana. [original location] Comment
  RSA696977  Leptosiphon floribundus Keith E. Hoffmaster 1932-4-17 s.n. Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  RSA699631  Leptosiphon floribundus Keith E. Hoffmaster 1934-4-8 s.n. Orange Gypsum can (n. Corona), Santa Ana Mts Comment
Read comments Dec 11 2011
  RSA507487  Leptosiphon liniflorus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  RSA576  Leptosiphon liniflorus J. T. Howell 1927-6-8 58 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  SD28081  Leptosiphon liniflorus Carl B. Wolf 1932-5-19 3637 Orange Rancho Santa Ana Botanic Garden, west of the tennis court. 198 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
  RSA172340  Leymus condensatus R. F. Thorne 1963-7-26 32843 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Santa Ana Mountains, Cleveland National Forest 762 Comment
  RSA51  Leymus condensatus E. R. Johnson 1927-6-10 77 Orange Rancho Santa Ana. Alt 500 ft. 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
Read comments Mar 27 2018
  RSA698086  Lilium humboldtii J. Vlahos 1934-03 s.n. Orange Black Star Canyon. Comment
  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
  RSA124  Lilium humboldtii subsp. ocellatum J. T. Howell 1927-7-3 262 Orange Claymine Canyon near Sierra Peak. 305 Comment
  RSA125  Lilium humboldtii subsp. ocellatum J. T. Howell 1927-7-26 479 Orange Claymine Canon near Sierra Peak. 244 Comment
Read comments 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
  RSA649674  Lilium humboldtii subsp. ocellatum R. E. Riefner 2000-6-30 20 -594 Orange NCCP North Ranch Policy Plan Area. N Fremont Canyon at Donaldson Ranch adjacent to powerline crossing on W fork of Fremont Canyon drainage. 427 Comment
  UCR113455  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2000-6-30 20- 594 Orange Santa Ana Mountains, North Ranch Policy Plan Area, N Fremont Canyon at Donaldson Ranch, adjacent to powerline crossing on W fork of Fremont Cyn drainage 427 Comment
  UC1873120  Limonium R. E. Riefner Jr. 06 -398 Riverside Corona-La Sierra area, vicinity of Green River Road and Palisades Drive 15 Comment
Read comments 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
  RSA554  Limonium californicum var. mexicanum J. T. Howell 1927-10-29 771 Orange Bryant Ranch near Long Beach. 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
  RSA468577  Linanthus androsaceus subsp. luteolus J. D. Olmsted 1962-5-9 3602 Riverside Along Man Divide T.T. between Skyline Drive and Black Star Canyon Road; northern Sta. 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
  RSA221060  Linanthus californicus E. W. Lathrop 1966-3-23 6110 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA5277  Linanthus californicus B. D. Stark 1932-12-15 4453 Orange Rancho Santa Ana, slope above grove #4. 145 Comment
  RSA617  Linanthus californicus J. T. Howell 1928-4-15 918 Orange Near east boundary of the Rancho Santa Ana 229 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
Read comments 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
  RSA4498  Linanthus dianthiflorus subsp. dianthiflorus C. B. Wolf 1932-3-14 2711 Orange At west side of Botanic Garden(this is the only known patch in the vicinity of the B.g.) 192 Comment
  UC908693  Linanthus liniflorus J. T. Howell 1927-6-8 2458 Orange Rancho Santa Ana Rancho Santa Canyon 182 Comment
  UCR37803  Linanthus liniflorus Steve Boyd, L. F. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. Comment
  UCR132991  Linanthus parviflorus Adrian Wolf 2000-5-3 465 Orange Santa Ana Mtns., North Ranch Policy Plan Area, upper Fremont Canyon, eastern tributary 579 Comment
  RSA783494  Lithophragma J. D. Olmsted 1959-4-23 456 Orange Spring Trail, Beacon Pines Ranch; 9 miles SW of Corona. Drainage area to Santa Ana River. 762 Comment
  RSA735256  Lithophragma affine J. Vlahos 1934-4-16 s.n. Orange Black Star Canyon. Comment
  POM8811  Lithophragma affine subsp. mixtum P. A. Munz, R. D. Harwood 1920-4-24 3782 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA162696  Lithophragma affine subsp. mixtum J. D. Olmsted 1959-4-23 461 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  RSA350  Lithophragma affine subsp. mixtum John T. Howell 1928-3-18 883 San Bernardino Aliso Canyon, Rancho Santa Ana. 244 Comment
  RSA733823  Lobularia maritima Keith E. Hoffmaster 1928-3-5 394 -442 Orange Santa Ana Mountains Comment
  RSA284  Loeflingia squarrosa J. T. Howell 1928-3-18 893 Orange Rancho Santa Ana, Botanic Garden. 152 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
  CAS-BOT-BC271070  Lolium temulentum E. R. Johnson 1932-5-18 3638 Orange East edge of grain field bordering Rancho, Rancho Santa Ana Botanic Garden 198 Comment
  SEINET192611 Image available Lolium temulentum E. R. Johnson 1932-5-18 Orange Rancho Santa Ana Botanic Garden; edge of grain field bordering the Rancho 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
  CLARK-A1528-2431  Lomatium lucidum John C. Roos 1960-5-30 Orange Santa Ana Mountains 1066 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
  UCR18584  Lomatium lucidum John C. Roos 1960-5-30 s.n. Orange Peninsular Ranges; Santa Ana Mtns, ridge at head of Hagador Canyon 1070 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
  RSA528  Lomatium vaginatum J. T. Howell 1928-2-7 820 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA530  Lomatium vaginatum J. T. Howell 1927-6-3 22 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA697262  Lonicera subspicata Keith E. Hoffmaster 1934-4-22 s.n. Orange Santa Ana Mountains. Comment
  RSA697263  Lonicera subspicata Keith E. Hoffmaster 1933-5-27 s.n. Orange Santa Ana Mountains. 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
  RSA220958  Lonicera subspicata var. denudata E. W. Lathrop s.n. Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, trabuci District. 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
  RSA663159  Lonicera subspicata var. denudata R. E. Riefner 2000-6-1 20 -458 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 473 Comment
  UCR26985  Lonicera subspicata var. johnstonii E. W. Lathrop 1966-1 6187 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest. Comment
  RSA220984  Lotus salsuginosus E. W. Lathrop 1966-3-23 6103 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA396  Lotus salsuginosus J. T. Howell 1927-6-3 23 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA697975  Lotus salsuginosus Olive Van Meter s.n. Orange Black Star Canyon. Comment
  UCR26955  Lotus salsuginosus E. W. Lathrop 1966-3-23 6103 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon 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
  RSA393  Lotus scoparius J. T. Howell 1927-6-1 4 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  RSA5430  Lotus scoparius B. D. Stark 1933-1-3 4478 Orange Rancho Santa Ana near pear orchard. 122 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
  RSA390  Lotus strigosus J. T. Howell 1928-4-7 899 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UCR4074  Lotus strigosus Carole Sims 1965-3-25 s.n. Orange Santa Ana River Canyon, hillside at 24000 Santa Ana Canyon Road (= State Hwy 91), 150 yards north of hwy; also called Gypsum Canyon. West side of gravel company's trucking road. 221 Comment
  IRVC14756  Lotus strigosus var. hirtellus A. S. Boughey 1968-4-23 217 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains 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
  RSA21063  Ludwigia peploides subsp. peploides Ramon Valverde 1938-8-4 3229 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA38193  Ludwigia peploides subsp. peploides P. A. Munz 1946-10-2 11557 Orange Bank of Santa Ana River, Rancho Santa Ana. 122 Comment
  RSA502  Ludwigia peploides subsp. peploides J. T. Howell 1927-7-14 396 Orange Santa Ana River bottom, Rancho Santa Ana. 152 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
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
Read comments Jun 2 2013
  UCSB10696  Lupinus Robert M. Lloyd 1959-4-17 207 Orange collected in the Black Star Canyon of the Santa Ana Mountains Black Star Canyon 640 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
  RSA543961  Lupinus concinnus subsp. concinnus Steve D. Boyd 1991-5-9 6192 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  CAS-BOT-BC216673  Lupinus excubitus subsp. hallii B. D. Stark 1931-4-18 1939 Orange Gypsum Canyon, N base of Santa Ana Mountains, Santa Ana Canyon 152 Comment
  CAS-BOT-BC216676  Lupinus excubitus subsp. hallii Ramon Valverde 1939-5-1 3514 Orange Administrative building, grounds, Rancho Santa Ana Botanic Garden Comment
  IRVC17057  Lupinus excubitus var. hallii A. S. Boughey 1969-5-3 430 Orange Black Star Canyon on seaward side near crest. Santa Ana Mountains Comment
  IRVC20663  Lupinus excubitus var. hallii A. S. Boughey 1969-5-3 430 Orange Black Star Canyon on seaward side near crest. Santa Ana Mountains Comment
  RSA2098  Lupinus excubitus var. hallii B. D. Stark 1931-4-18 1939 Orange Mouth of Gypsum Canyon, Santa Ana Mts, Santa Ana Canyon opposite the Botanic Garden. 152 Comment
  RSA3253  Lupinus excubitus var. hallii B. D. Stark 1931-4-18 1939 Orange mouth of Gypsum Canyon, Santa Ana Mts. 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
  UC527220  Lupinus excubitus var. hallii B. D. Stark 1931-4-18 1939 Orange Santa Ana Canyon mouth of Gypsum Canyon; n base of Santa Ana Mts., Santa Ana Canyon 152 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
  CAS-BOT-BC202088  Lupinus longifolius B. D. Stark 1931-4-18 1939 Riverside Mouth of Gypsum Canyon, Santa Ana Mts. Comment
  CAS-BOT-BC217742  Lupinus longifolius E. R. Johnson 1932-4-15 2957 Orange 1 mi. NW of Roundtop, Rancho Santa Ana, Santa Ana Canyon 457 Comment
  CAS-BOT-BC217748  Lupinus longifolius E. R. Johnson 1932-4-15 2956 Orange Rancho Santa Ana, 1 mi. NW of Roundtop (Section 16) 457 Comment
  CAS-BOT-BC217749  Lupinus longifolius E. R. Johnson 1932-4-15 2957 Orange Rancho Santa Ana, 1 mi. NW of Roundtop (Section 16) 457 Comment
  RSA4865  Lupinus longifolius E. R. Johnson 1932-4-15 2956 Orange Rancho Santa Ana, 1mile NWof Roundtop (section 16) 457 Comment
  RSA4866  Lupinus longifolius E. R. Johnson 1932-4-15 2957 Orange Rancho Santa Ana, 1mile NWof Roundtop (section 16) 457 Comment
  RSA647937  Lupinus longifolius Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 55 Orange 1000 ft. north of Chino Hills State Park Boundary 229 Comment
  RSA13190  Lupinus sparsiflorus subsp. sparsiflorus Percy C. Everett 1935-5-6 6754 Orange Santa Ana canyon, Rancho Santa Ana, Railroad embankment. 152 Comment
  RSA17206  Lupinus sparsiflorus subsp. sparsiflorus Percy C. Everett 1935-5-6 6754 Orange Rancho Santa Ana. along railroad embankment north of pear orchard. 122 Comment
  IRVC2343  Lupinus succulentus Tony Price 1965-4-17 HS 0414 Orange Black Star Canyon. Santa Ana Mountains Comment
  IRVC24922  Lupinus succulentus Fred M. Roberts, Gordon Marsh 1986-6-6 2990 Orange Black Star Canyon, Black Star Canyon Rd., 6.6km SSW Sierra Peak. Santa Ana Mountains 460 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
  RSA701206  Lupinus succulentus Keith E. Hoffmaster 1928-3-5 s.n. Orange Santa Ana Mountains Comment
  RSA88903  Lupinus succulentus E. K. Balls 1954-3-1 18850 Orange Botanic Garden, Santa Ana Canyon Comment
  RSA89141  Lupinus succulentus E. K. Balls 1952-3-8 18876 Orange Along Esperanza Road, W of entrance to Rancho Santa Ana. Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA735204  Lupinus truncatus Keith E. Hoffmaster 1934-4-22 177 Orange Santa Ana Mountains Comment
  JEPS63273  Lycopus americanus John Thomas Howell 1927-9-24 3120 Orange Rancho Santa Ana R. bottom Rancho Santa Ana; Rancho Santa Ana R., Rancho Santa Ana 152 Comment
  RSA656  Lycopus americanus J. T. Howell 1927-9-24 753 Orange Santa Ana River Bottom, Rancho Santa Ana 152 Comment
  CAS-BOT-BC334724  Madia gracilis John Thomas Howell 1927-6-26 2613 Orange Claymine Canyon, north Santa Ana Mountains 243 Comment
  UCR18628  Madia gracilis John C. Roos 1960-5-30 s.n. Orange Peninsular Ranges; Santa Ana Mtns, ridge at head of Hagador Canyon 1070 Comment
Read comments Jan 7 2013
  CLARK-A1528-5622  Madia sativa John C. Roos 1960-5-30 Orange Santa Ana Mountains Comment
  CLARK-A1528-5623  Madia sativa John C. Roos 1960-5-30 Orange Santa Ana Mountains Comment
  CAS-BOT-BC206251  Malacothamnus fasciculatus Louis C. Wheeler 1932-7-9 941 Orange Santa Ana River, 5 mi. below Prado 152 Comment
  CAS-BOT-BC206252  Malacothamnus fasciculatus C. B. Wolf 1931-7-25 1166 Orange Along the road at north side of the Pear Orchard, Rancho Santa Ana, Santa Ana Can. 121 Comment
  CAS-BOT-BC206253  Malacothamnus fasciculatus C. B. Wolf 1931-7-25 1166 Orange North side of Pear Orchard, Rancho Santa Ana, Santa Ana Canyon 121 Comment
  CAS-BOT-BC206254  Malacothamnus fasciculatus Louis C. Wheeler 1932-7-9 941 Orange Santa Ana River, 5 mi. below Prado 152 Comment
  OBI12364  Malacothamnus fasciculatus Louis C. Wheeler 1932-7-9 941 Orange Santa Ana River, 5 mi below Prado 152 Comment
  POM257048  Malacothamnus fasciculatus W. Pequegnat 1940-5-26 s.n. Orange Black Star Canyon, on Skyline Drive, Santa Ana Mts. 610 Comment
  RSA13294  Malacothamnus fasciculatus Carl B. Wolf 1931-7-25 3893 Orange N side of pear orchard, Rancho Santa Ana, Santa Ana Canyon 122 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
  RSA3155  Malacothamnus fasciculatus Carl B. Wolf 1931-7-25 2294 Orange along road at north side of pear orchard, Rancho Santa Ana, Santa Ana Canyon 122 Comment
  RSA433310  Malacothamnus fasciculatus M. B. Dunkle 1933-5-30 3581 Orange Santa Ana Canyon Comment
  RSA433331  Malacothamnus fasciculatus Louis C. Wheeler 1932-7-9 941 Orange Santa Ana River 5 miles below Prado. 152 Comment
  RSA472  Malacothamnus fasciculatus J. T. Howell 1927-6-20 170 Orange Botany Garden, Rancho Santa Ana. 152 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
  UC527450  Malacothamnus fasciculatus C. B. Wolf 1931-7-25 2294 Orange Rancho Santa Ana, along road at N side of Pear Orchard Santa Ana Canyon 121 Comment
  LA41778  Malacothamnus fasciculatus var. fasciculatus Louis C. Wheeler; 1932-7-9 941 Orange Santa Ana River 5 mi. below Prado 152 Comment
  OBI5977  Malacothamnus fasciculatus var. fasciculatus Carl B. Wolf 1931-7-25 2294 Orange N side of the Pear Orchard, Rancho Santa Ana, Santa Ana Can. 122 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
  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
  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
  RSA12784  Malosma laurina Percy C. Everett 1934-10-4 6209 Orange N side of Irrigation Canal, opp. Orange Co. Plant Sanctuary, Rancho Santa Ana. 122 Comment
  RSA13103  Malosma laurina Percy C. Everett 1935-10-29 2574 Orange Rancho Santa Ana, Santa Ana Canyon N of canal & Mexican houses. 122 Comment
  RSA447  Malosma laurina J. T. Howell 1927-7-16 415 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA448  Malosma laurina J. T. Howell 1927-7-24 466 Orange Claymine Canyon, near Sierra Peak 152 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
  RSA488  Marah macrocarpa J. T. Howell 1927-6-6 45 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UC1122839  Marah macrocarpa A. Lewis Mar 1934 339 Orange Santa Ana Canyon Corona Quadrangle 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
  RSA771517  Meconella oregana var. denticulata Keith E. Hoffmaster 1934-4-22 181 Orange Santa Ana Mountains 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
  RSA262075  Melica imperfecta E. W. Lathrop 1966-4-18 6171 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA58  Melica imperfecta J. T. Howell 1927-6-26 230 Orange Claymine Canon near Sierra Peak. [canyon] 244 Comment
  RSA62  Melica imperfecta J. T. Howell 1927-6-17 151 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA663156  Melica imperfecta R. E. Riefner 2000-6-1 20 -460 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 473 Comment
  RSA699307  Melica imperfecta Keith E. Hoffmaster 1934-4-8 88 Riverside Santa Ana Mts. Comment
  RSA74  Melica imperfecta J. T. Howell 1928-3-17 877 Orange Botany Garden, Rancho Santa Ana. 152 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
  UCR138332  Melica imperfecta R. E. Riefner Jr., Adrian Wolf 2000-6-1 20- 460 Orange Santa Ana Mountains, North Ranch Policy Plan Area, north of Irvine Lake [Santiago Reservoir] and west of Black Star Canyon, west of dirt access road, W slope of Fremont Canyon. 473 Comment
  UCR207526  Melica imperfecta O. F. Clarke 2006-5-6 s.n. Orange Peninsular Range; Santa Ana Mtns., Coal Canyon 305 Comment
  JEPS42777  Mentzelia micrantha John Thomas Howell 1927-7-3 2642 Orange Santa Ana Mts., Claymine Canyon 304 Comment
  RSA441  Mentzelia micrantha J. T. Howell 1927-7-3 260 Orange Claymine Canyon near Sierra Peak. 305 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
  UCR203876  Mentzelia micrantha R. E. Riefner Jr. 2007-6-11 07- 252 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, upper Fremont Canyon, Donaldson Ranch area 382 Comment
  RSA543973  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-9 6203 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  UC1595639  Micropus californicus var. californicus Steve Boyd and Orlando Mistretta 1991-5-9 6203 Orange se of Sierra Peak (crest of range at Oak Flat, just w of Riverside County line); Santa Ana Mountains 792 Comment
  UCR158148  Microseris douglasii subsp. douglasii Adrian Wolf 1998-5-10 256 Orange Santa Ana Mtns., Fremont Canyon ridge, 3.4 km NE of Irvine Lake, under powerlines 457 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
  POM8481  Mimulus aurantiacus var. pubescens P. A. Munz, R. D. Harwood 1920-4-24 3758 Orange Sierra [Freemont] Canyon 366 Comment
Read comments Sep 17 2011
  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
Read comments May 21 2011
  A367212  Mimulus aurantiacus var. puniceus P. A. Munz & R. D. Harwood 1920-4-24 3758 Unknown Santa Ana Mts., Sierra Canyon 365 Comment
Read comments Jul 8 2012
  RSA21062  Mimulus cardinalis Ramon Valverde 1938-8-4 9442 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA726  Mimulus cardinalis J. T. Howell 1927-7-6 283 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA727  Mimulus floribundus Thomas Howell 1927-7-27 492 Orange Santa Ana River bottom. Comment
  RSA21061  Mimulus pilosus Ramon Valverde 1938-8-4 3231 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA719  Mimulus pilosus J. T. Howell 1927-7-27 491 Orange Santa Ana River, Rancho Santa Ana. 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-BC434667  Mirabilis laevis var. crassifolia P. A. Munz; R. D. Harwood 1920-4-24 3739 Orange Santa Ana Mts., Sierra Canyon 365 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
  RSA276  Mirabilis laevis var. crassifolia J. T. Howell 1927-6-21 176 Orange Near ranch houses, Rancho Santa Ana. 152 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
Read comments 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
  RSA191948  Monardella hypoleuca Robert F. Thorne 1963-7-26 32858 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest. 732 Comment
Read comments Aug 13 2012
  IRVC24949  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts, Gordon A. Marsh 1986-6-6 2939 Orange Black Star Canyon, Black Star Canyon Rd., 6.6km SSW Sierra Peak. Santa Ana Mountains 460 Comment
Read comments Aug 13 2012
  CAS-BOT-BC349571  Monolopia lanceolata Carl B. Wolf 1932-3-14 2709 Orange Rancho Santa Ana Botanic Garden, native to slope below Pinus radiata bed 192 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
  RSA663203  Muhlenbergia asperifolia R. E. Riefner 2000-3-26 20 -150 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  RSA67  Muhlenbergia asperifolia J. T. Howell 1927-7-19 446 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UCR205983  Muhlenbergia asperifolia R. E. Riefner Jr. 2000-3-26 20- 150 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of major stream fork along west channel drainage 335 Comment
  POM193518  Muhlenbergia microsperma J. B. Feudge 1929-4-7 2035 Orange Rancho Santa Ana, N.E. Orange County. 305 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
  RSA59  Muhlenbergia microsperma J. T. Howell 1927-6-5 37 Orange Rancho Santa Ana, near east boundary. 152 Comment
  SBBG89596  Muhlenbergia microsperma J. Hirshberg 1988-6-7 Orange Black Star Cyn 274 Comment
  RSA6660  Nassella cernua B. D. Stark 1933-5-2 4546 Orange Rancho Santa Ana. 457 Comment
  RSA263717  Nassella lepida E. W. Lathrop 1966-4-18 6179 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. 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
Read comments 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
  RSA70  Nassella lepida J. T. Howell 1927-6-9 65 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  POM263720  Nassella pulchra E. W. Lathrop 1966-3-23 6105 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. 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
  RSA602779  Nassella pulchra R. E. Riefner Jr., Tony Bomkamp, R. Ramirez 1997-6-11 97 -181 Orange Black Star Canyon, Hidden Ranch. 610 Comment
  UC822007  Nassella pulchra B. D. Stark 1933-5-2 4546 Orange Roundtop Rancho Santa Ana, Santa Ana Canyon 457 Comment
  CAS-BOT-BC60333  Nasturtium officinale John Thomas Howell 1927-7-15 2777 Orange Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  RSA330  Nasturtium officinale J. T. Howell 1927-7-15 404 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 Comment
  RSA16383  Navarretia atractyloides E. R. Johnson 1935-6-11 7133 Orange Rancho Santa Ana, Santa Ana Canyon grain field west of grapefruit orchard. 137 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
  CAS-BOT-BC109089  Nemacaulis denudata var. denudata E. K. Balls; P. C. Everett 1955-9-7 21431 Orange On Highway 101, mouth of Santa Ana River. 3 Comment
  RSA615  Nemophila menziesii J. T. Howell 1928-3-18 881 San Bernardino Aliso Canyon, Rancho Santa Ana. 244 Comment
  RSA616  Nemophila menziesii J. T. Howell 1928-3-18 889 Orange Rancho Santa Ana, Botanic Garden. 152 Comment
  RSA699661  Nemophila menziesii Keith E. Hoffmaster 1927-4-8 s.n. Orange Santa Ana Mountains. Comment
  POM347132  Nemophila menziesii var. integrifolia Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA699660  Nemophila menziesii var. integrifolia Keith E. Hoffmaster 1932-4-3 s.n. Orange Santa Ana Mountains Comment
  RSA687  Nicotiana bigelovii var. wallacei J. T. Howell 1927-7-5 266 Orange West side, Rancho Santa Ana [Botanic Garden]. 152 Comment
  CAS-BOT-BC231676  Nicotiana glauca Ira L. Wiggins 1965-11-6 20348 Orange Near Well No. 14, Kraemer Oil Estates near end of county road leading to Rancho Sanata Ana 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
  UC1090378  Nicotiana glauca Milo S. Baker 1958-5-15 13258 San Bernardino Black Star Canyon; San Bernardino Mts. Comment
Read comments Nov 11 2014
  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
  RSA127  Nolina cismontana J. T. Howell 1927-7-28 507 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
Read comments Apr 8 2018
  RSA263685  Nolina cismontana E. W. Lathrop 1976-6-28 7506 Orange 4 miles northeast of Lake Irvine, Black Star canyon, Cleveland Nat l Forest, Trabuco dist. Comment
Read comments Jan 2 2008
  RSA648660  Nolina cismontana R. E. Riefner 2000-7-8 20 -628 Orange NCCP North Ranch Policy Plan Area. On ridgeline overlooking upper W fork of Fremont Canyon; located E of Main Divide Road and SE from Windy Ridge cypress forest. 438 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
  RSA725582  Nolina cismontana Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6532 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA746535  Nolina cismontana R. E. Riefner 2007-6-14 7 -256 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fork Fremont Canyon, Donaldson Ranch Area. 381 Comment
  SD204870  Nolina cismontana R. E. Riefner Jr. 2007-6-14 07 256 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, west fork Fremont Canyon, Donaldson Ranch area. 381 Comment
  SEINET1910244  Nolina cismontana R. E. Riefner Jr. 2007-1 7 -256 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W fork Fremont Canyon, Donaldson Ranch area. 381 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
  UCR208437  Nolina cismontana R. E. Riefner Jr. 2007-6-14 07- 256 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, west fork Fremont Canyon, Donaldson Ranch area 381 Comment
  UCR230220  Nolina cismontana Dick Newell, Ed Hill 2011-3-29 100 Orange Peninsular Range; Santa Ana Mtns., 200 yards NE of old coal mine, under power lines, off Coal Rd. below intersection with Upper Blind Cyn. Rd. 482 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
  UCR37795  Nolina cismontana Steve Boyd, L. F. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. Comment
  UC1134648  Nolina parryi A. E. Wieslander 1931-4-10 180 Orange w Sierra Peak; Corona Quadrangle 365 Comment
Read comments Nov 26 2007
  UC421656  Nolina parryi John Thomas Howell 1927-7-24 2827 Orange Claymine Canyon n. Santa Ana Mts. 152 Comment
Read comments Nov 26 2007
  RSA531  Oenanthe sarmentosa J. T. Howell 1927-7-14 398 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  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
  RSA1304  Oenothera elata subsp. hirsutissima J. T. Howell 1928-9-6 1205 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA38442  Oenothera elata subsp. hirsutissima P. A. Munz 1947-9-10 12133 Orange Edge of garden in rover nottom, Rancho Santa Ana, Santa Ana River Canyon. 122 Comment
  SD43505  Oenothera elata subsp. hirsutissima P. A. Munz 1947-9-10 12133 Orange Edge of garden in river bottom, Rancho Santa Ana, Santa Ana River Canyon. 121 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
  RSA5312  Opuntia B. D. Stark 1933-6-5 4503 Orange 2 mi S of summit of Skyline Drive, on road along ridge to santiago Peak. Santa Ana Mountains. 1067 Comment
  CAS-BOT-BC56864  Opuntia oricola B. D. Stark 1933-1-26 4527 Orange Field redacted by CAS, contact the data manager for more information 182 Comment
  RSA6608  Opuntia oricola B. D. Stark 1933-1-26 4527 Orange Rancho Santa Ana. Comment
  RSA407959  Orthocarpus purpurascens E. Crow 1929-4-7 306 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA160508  Osmorhiza brachypoda J. D. Olmsted 1959-4-23 464 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  RSA221029  Osmorhiza brachypoda E. W. Lathrop 1966-3-23 6108 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. 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
  UCR26878  Osmorhiza brachypoda E. W. Lathrop 1966-3-23 6108 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon 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
  RSA421  Oxalis californica J. T. Howell 1927-6-16 144 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA7752  Oxalis pes-caprae E. R. Johnson 1932-07 s.n. Orange Edge of orange grove along river bottom, Rancho Santa Ana Comment
  CLARK-A1528-3766  Oxytheca trilobata John C. Roos 1960-6-11 Orange Santa Ana Mountains 975 Comment
  CAS-BOT-BC121211  Paeonia californica J. T. Howell 1927-6-6 2425 Orange Santa Ana River bottom, Santa Ana Canyon 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
  RSA303  Paeonia californica J. T. Howell 1927-6-6 50 Orange Santa Ana River bottom, Rancho Santa Ana. 152 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
  RSA60  Panicum capillare J. T. Howell 1927-7-27 489 Orange Santa Ana River, Rancho Santa Ana. 152 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
  RSA1102  Paspalum distichum J. T. Howell 1928-9-6 1206 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA21040  Paspalum distichum E. R. Johnson 1938-8-22 9452 Orange Rancho Santa Ana, Santa Ana Canyon 122 Comment
  RSA696379  Paspalum distichum Keith E. Hoffmaster 1933-10-29 s.n. Orange Near Tustin 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
  RSA649  Pectocarya penicillata J. T. Howell 1928-2-26 861 Orange Botany Garden, Rancho Santa Ana. 152 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
  UCR119306  Pedicularis densiflora R. E. Riefner Jr. 2000-3-18 20- 134 Orange Cleveland National Forest. Ridge-top east of Fremont Canyon and west of Hidden Valley 732 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
  RSA783268  Pellaea andromedifolia J. D. Olmsted 1959-4-23 466 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  RSA1444  Pellaea andromedifolia var. andromedifolia J. T. Howell 1929-2-6 1221 Orange Claymine Canyon, Santa Ana Mountains 213 Comment
  RSA739323  Pellaea mucronata Keith E. Hoffmaster 1931-1-1 33 Orange Santa Ana Mountains Comment
  RSA739324  Pellaea mucronata Keith E. Hoffmaster 1934-7-13 33 ` Orange Santa Ana Mountains Comment
  UCR113460  Pellaea mucronata subsp. mucronata R. E. Riefner Jr. 2000-8-8 20- 719 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, NE property, E slope of upper Fremont Canyon, south of Donaldson Ranch and south of powerline/ National Forest boundary 454 Comment
  RSA10  Pellaea mucronata var. mucronata J. T. Howell 1927-8-7 609 San Diego Between Cottonwood Creek and Potrero. 457 Comment
Read comments Sep 20 2014
  RSA660591  Pellaea mucronata var. mucronata R. E. Riefner 2000-8-8 20 -719 Orange NCCP North Ranch Policy Plan Area. NE property; E slope of upper Fremont Cyn.; S of Donaldson Ranch area and S of powerline / National Forest boundary. 454 Comment
  RSA660592  Pellaea mucronata var. mucronata R. E. Riefner, Adrian Wolf 2000-6-1 20 -452 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. USGS 7.5' Quad: Black Star Canyon. 518 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
  RSA790700  Penstemon heterophyllus R. H. McArthur 1934-4-21 1 Orange PR8. Black Star Canyon. Comment
  SEINET10334604  Penstemon heterophyllus subsp. australis Czarnecki 1966-5-25 113 Orange Old botanical gardens at the Ranco Santa Ana Comment
  UCR26978  Penstemon heterophyllus subsp. australis E. W. Lathrop 1966-4-18 6186 Orange Santa Ana Mtns., 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District Comment
  RSA220992  Penstemon heterophyllus var. australis E. W. Lathrop 1966-4-18 6186 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. 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
  UC718211  Penstemon laetus var. laetus Carl B. Wolf 1936-4-28 7778 Orange Santa Ana Canyon Botanic Garden s Adm. Bldg. (Rancho Santa Ana); , Santa Ana Canyon Botanic Garden 198 Comment
  RSA16714  Penstemon spectabilis B. D. Stark 1935-7-26 7533 Orange 2 mi. south of summit of Skyline Drive, on road along ridge to Santiago Peak. 1067 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
  POM7598  Pentachaeta aurea P. A. Munz, R. D. Harwood 1920-4-24 3783 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
Read comments Sep 17 2011
  RSA16996  Pentachaeta aurea Percy C. Everett 1935-4-22 7745 Orange 1/4 mile W of Horseshoe Bend, Santa Ana Canyon 122 Comment
  RSA644973  Pentachaeta aurea R. E. Riefner 2000-4-15 20 -380 Orange NCCP North Ranch Policy Plan Area. Main Divide Raod; S. of Gypsum Canyon and S of Windy Ridge. 518 Comment
  RSA0076303  Pentagramma glanduloviscida J. T. Howell 1927-8-7 608 San Diego Between Cottonwood Creek and Potrero. 457 Comment
  RSA739330  Pentagramma triangularis subsp. triangularis Keith E. Hoffmaster 1927-4-8 26 Orange Santa Ana Mountains. 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
  RSA21070  Petunia parviflora Ramon Valverde 1938-8-4 9434 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA689  Petunia parviflora J. T. Howell 1927-7-18 426 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA594  Phacelia cicutaria var. hispida J. T. Howell 1927-7-26 477 Orange Claymine Canon near Sierra Peak. 244 Comment
  RSA595  Phacelia cicutaria var. hispida J. T. Howell 1927-6-5 35 Orange Rancho Santa Ana, near east boundary. 152 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
  HSC13701  Phacelia distans S. M. Clapp 1966-4-10 44 Orange 4 mi. into Black Star Canyon 183 Comment
  RSA201438  Phacelia distans J. T. Howell 1928-1-15 3277 Orange Near the Ranch House. Rancho Santa Ana. 152 Comment
  RSA606  Phacelia distans J. T. Howell 1928-3-18 892 Orange Rancho Santa Ana, Botanic Garden. 152 Comment
  RSA647939  Phacelia distans Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 39 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 244 Comment
  RSA699772  Phacelia distans Keith E. Hoffmaster 1927-4-8 s.n. Orange Santa Ana Mountains. Comment
  RSA784136  Phacelia distans J. D. Olmsted 1959-4-30 502 Riverside Spring Trail at Beacon Pines Ranch; 9 miles southwest of Corona. Santa Ana Mountains. Drainage area to Santa Ana River. 747 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
  RSA699654  Phacelia hispida Keith E. Hoffmaster 1934-4-22 s.n. Orange Santa Ana Mountains Comment
  RSA603  Phacelia imbricata subsp. bernardina J. T. Howell 1928-5-12 965 Orange Between Aliso Canyon and Botany Garden. 366 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
  RSA13058  Phacelia minor Percy C. Everett 1935-4-22 6464 Orange Along Santa Fe Rail Road above the pear orchard, Rancho Santa Ana, Santa Ana Canyon. 107 Comment
  RSA17169  Phacelia minor Percy C. Everett 1935-4-22 6464 Orange Along Santa Fe Rail Road above the pear orchard, Rancho Santa Ana, Santa Ana Canyon. 107 Comment
  RSA20370  Phacelia minor Percy C. Everett 1938-4-11 9399 Orange Rancho Santa Ana, Santa Ana Canyon, north of Pear Orchard. 122 Comment
  RSA596  Phacelia minor J. T. Howell 1928-4-7 906 Orange Near the ranch houses, Rancho Santa Ana. 152 Comment
  RSA697788  Phacelia minor Snow s.n. Orange Black Star Canyon. 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
  POM8648  Phacelia parryi P. A. Munz, R. D. Harwood 1920-4-24 3780 Orange Sierra [Freemont] Canyon 366 Comment
Read comments Sep 17 2011
  RSA20369  Phacelia parryi Percy C. Everett 1938-4-11 9400 Orange Rancho Santa Ana, Santa Ana canyon, N of W end of Walnut orchard. 122 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
  RSA632  Phacelia ramosissima var. austrolitoralis J. T. Howell 1927-6-3 21 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC145006  Phacelia ramosissima var. latifolia John Thomas Howell 1927-6-21 2567 Orange [Canon] Canyon in west side of Botany Garden, Rancho Santa Ana, Santa Ana [Canon] Canyon 152 Comment
  RSA738990  Phacelia viscida Minor Warne 1934-3-17 s.n. Orange Gypsum Canyon Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains 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
  CAS-BOT-BC250614  Phalaris minor Carl B. Wolf 1932-5-18 3636 Orange Rancho Santa Ana Botanic Garden, near East porch of administration bldg. 198 Comment
  CAS-BOT-BC250616  Phalaris minor Carl B. Wolf 1932-5-18 3636 Orange Rancho Santa Ana Botanic Garden, near East porch of administration bldg. 198 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
  UCR133164  Phlox gracilis Adrian Wolf 2000-4-7 452 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Fremont Canyon, 3 km NNE of canyon mouth 408 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
  RSA734206  Phoradendron macrophyllum Keith E. Hoffmaster 1934-4-22 188 Orange Santa Ana Mountains Comment
  RSA650  Phyla lanceolata J. T. Howell 1927-7-15 401 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 Comment
  RSA23579  Physalis acutifolia E. R. Johnson 1939-9-8 9537 Orange Santa Ana Canyon, Rancho Santa Ana., in #2 Valencia Orange Grove. 122 Comment
  JEPS8966  Physalis philadelphica John Thomas Howell 1927-7-28 2869 Orange Santa Ana Canyon, Rancho Santa Ana Santa Ana Canyon; , Rancho Santa Ana 152 Comment
  SD43531  Physalis philadelphica P. A. Munz 1946-11-7 11607 Orange near Administration Building, Rancho Santa Ana Botanic Garden, Santa Ana River Canyon 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
  RSA17043  Picris echioides C. B. Wolf 1936-1-13 7696 Orange Santa Ana Canyon, Rancho Santa Ana, along R. R. right of way east of Ranch Houses. 137 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
  RSA23668  Pinus attenuata C. B. Wolf 1939-1-20 9484 Orange Santa Ana Mts., N.W. of Pleasant's Pk. (Sugarloaf) along Main Divide Motorway; 1 3/10 mi. So. of summit, Skyline Dr. Ft. 1159 Comment
  RSA263775  Pinus attenuata R. Weatherby 1950-5-11 1373 Riverside Hagador Canyon, Santa Ana Mountains. 793 Comment
  RSA5314  Pinus attenuata B. D. Stark 1933-1-5 4501 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 Comment
  SD13289  Pinus attenuata Carl B. Wolf 1934-12-21 Orange Santa Ana Mountains, northeast of Sugarloaf Peak (Pleasants Peak), along Main Street Trail 1160 Comment
  SD13290  Pinus attenuata Carl B. Wolf 1934-12-21 Orange Santa Ana Mountains, saddle northwest of Sugarloaf Peak (Pleasants Peak), south slope of main ridge, 1.3 mile south of summit of Skyline Drive 1160 Comment
  SD136372  Pinus attenuata Carl B. Wolf 1934-12-21 Orange south slope of main ridge, saddle northwest of Sugarloaf Peak, 1.3 mile south of summit of Skyline Drive, Santa Ana Mountains 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
  UCR231189  Pinus attenuata A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39943 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1143 Comment
  HSC104216  Pinus coulteri A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39932 Orange Peninsular Range; Santa Ana Mtns.: near Pleasants Peak along the Main Divide Truck Trail 1152 Comment
  OBI7737  Pinus coulteri Carl B. Wolf, P. C. Everett 1939-1-10 10008 Orange Santa Ana Botanic Gardens cultivated. Old nursery outside seed bed 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
  RSA731002  Pinus coulteri Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6504 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  UCR231192  Pinus coulteri A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39932 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1152 Comment
  RSA730998  Pinus halepensis Fred M. Roberts 2007-1-19 6500 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA731000  Pinus sabiniana Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6501 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA731007  Pinus sabiniana Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6499 Orange near Black Star Cyn. Rd. Upper Fremont Cyn. near mountain divide, 0.9 km ENE Horseshoe Spring and 0.1 km WSW Beek s Place. (4.1 km NW Pleasants Pk). West-facing slope on sandy, rocky soils in chaparral. 840 Comment
  UCR231188  Pinus sabiniana A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39944 Orange Peninsular Range; Santa Ana Mountains, Beek's Place on Main Divide Truck Trail 863 Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information 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
  RSA4499  Plagiobothrys collinus var. californicus C. B. Wolf 1932-3-14 2710 Orange At west side of Botanic Garden(this is the only known patch in the vicinity of the B.g.) 192 Comment
  SD27970  Plagiobothrys collinus var. californicus Carl B. Wolf 1932-3-14 2710 Orange Rancho Santa Ana Botanic Garden 630 Comment
  HSC16874  Plantago erecta S. M. Clapp 1966-4-8 43 Orange 4 mi. into Black Star Canyon 183 Comment
  POM8784  Plantago erecta P. A. Munz, R. D. Harwood 1920-4-24 3753 Orange Santa Ana Mts, Sierra [Freemont] Canyon 366 Comment
  RSA1460  Plantago erecta E. R. Johnson 1929-4-11 1260 Orange Sierra Peak Trail. Comment
  RSA759  Plantago erecta J. T. Howell 1928-3-17 868 Orange Botany Garden, Rancho Santa Ana. 152 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
  RSA17217  Plantago hirtella var. galeottiana E. R. Johnson 1936-6-26 8006 Orange Rancho Santa Ana, Santa Ana Canyon, SW of Mexican village. 152 Comment
Read comments Aug 19 2011
  RSA762  Plantago hirtella var. galeottiana J. T. Howell 1927-7-27 493 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
Read comments Aug 19 2011
  RSA760  Plantago ovata var. fastigiata J. T. Howell 1928-2-7 818 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA763  Plantago ovata var. fastigiata J. T. Howell 1927-6-9 70 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment