Search Results — 2000 specimen records retrieved (1550 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA460913  Abronia maritima F. R. Fosberg 1930-6-7 53066 Los Angeles Alamitos Bay. 7 Comment
  RSA534114  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5099 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  SEINET4084347  Abronia umbellata W. C. Martin 1971-1 sn Los Angeles Point Dume. Comment
  RSA0025880  Abronia umbellata A. Chandler Nott 1930-01 s.n. Los Angeles El Segundo. Comment
  RSA0025883  Abronia umbellata M. B. Dunkle 1939-4-5 7266 Los Angeles San Clemente Island. China Point. Comment
  RSA522289  Acacia baileyana Steve Boyd 1990-2-3 3822 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  UCR254869  Acacia baileyana Dan S. Cooper 2014-6-26 614- 76 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  UCR213261  Acacia cyclops A. C. Sanders, Karen Kirtland 2010-5-7 38339 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
  CATA3274  Acacia melanoxylon Ben Dion, Julia Parish 2017-1-30 006 Los Angeles Santa Catalina Island: Interior; Black Jack Campground: south of restrooms and lockers 461 Comment
  UCSB24615  Acamptopappus sphaerocephalus var. hirtellus Lincoln, Steve 1966-5-13 Los Angeles Highway 138 east of Pearblossom, 1.1 mi east of 213th Street, Mojave Desert. 1005 Comment
Read comments
Aug 12 2014
  CAS-BOT-BC412573  Acanthoscyphus parishii var. parishii I. M. Johnston 1925-7-8 5292 Los Angeles Baldy Lookout, San Antonio Mts 1737 Comment
  SD253351  Acer macrophyllum R. G. Swinney 2011-3-26 14227 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  CAS-BOT-BC21679  Achillea millefolium M. B. Dunkle 1939-4-6 7292 Los Angeles Mosquito Harbor, San Clemente Island Comment
  RSA762705  Achillea millefolium R. G. Swinney 2008-7-24 9343 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  CDA28088  Achnatherum coronatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  UC284801  Achnatherum hymenoides P. A. Munz 1923-5-27 6906 Los Angeles Pallett Creek San Gabriel Mts. Comment
  RSA597451  Achnatherum parishii subsp. depauperatum Timothy S. Ross, J. Mark Porter 1995-5-4 8421 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. Liebre Mountains. 555 Comment
  RSA239028  Achnatherum speciosum C. W. Tilforth, John Dourley 1973-5-24 816 Los Angeles Bob's Gap, ca. 2 miles NE of Valyermo, north desert slope of San Gabriel Mountains. Comment
  POM6934  Achyrachaena mollis P. A. Munz 1918-5-5 2184 Los Angeles Puente Hills, Turnbull Canyon Comment
  UCSB28555  Acmispon americanus Tanowitz, Barry 1974-6-29 Los Angeles Off Highway 101 at the junction of Calabasas Parkway road 304 Comment
  SBBG101153  Acmispon dendroideus var. traskiae T. Ross 1992-4-14 6174 Los Angeles E escarpment, ca. 20 m S of where Nanny Cyn drainage meets the sea 18 Comment
  LA52422  Acmispon maritimus var. maritimus W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SBBG67982  Acmispon maritimus var. maritimus R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SEINET5327564  Acmispon strigosus var. strigosus G. B. Grant 717 Los Angeles Pasadena So. Cal. Comment
  LA209733  Acourtia microcephala W. O. Griesel; 1936-6-18 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Faculty Hill. Comment
  SBBG12920  Acourtia microcephala E. R. Blakley 1962-10-4 5396 Los Angeles Ironwood Gully, S of Catalina Harbor at the isthmus 167 Comment
  SD234030  Acourtia microcephala Mary H. Ward 1970-6-19 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena. 305 Comment
  SEINET10891340  Actinidia chinensis Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3745 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  SFV9200  Adenocarpus battandieri D. L. Koutnik May 1975 s. n. Los Angeles Along fire road near Magic Mountain. 762 Comment
  CAS-BOT-BC133170  Adenostoma fasciculatum Alice Eastwood 1906-6-6 327 Los Angeles Roscoe Comment
  LA34176  Adenostoma fasciculatum Peter H. Raven; Henry J. Thompson 1959-5-3 14080 Los Angeles SANTA MONICA MOUNTAINS, 0.6 mi E of Coldwater Canyon on Mulholland Drive. 365 Comment
  RSA773294  Adenostoma fasciculatum R. G. Swinney 2009-6-24 11279 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  UC1587608  Adenostoma fasciculatum Tim Ross 1991-8-14 5761 Los Angeles just below summit Roundtop Mt.; San Gabriel Mts., Chilao Flat U.S.G.S. 7.5' quad., Roundtop 1871 Comment
  UC1922565  Adenostoma fasciculatum Gary Kovnat with LeRoy Gross 2003-4-5 36 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  SEINET6190161  Adenostoma fasciculatum G. B. Grant 1904-6-3 23 Los Angeles Pasadena Comment
  RSA660788  Adenostoma fasciculatum var. fasciculatum J. Doughty 1985-5-19 169 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  POM312804  Adiantum jordanii D. Taylor 1952-05 s.n. Los Angeles San Gabriel Mountains, Little Dalton Canyon 396 Comment
  RSA737147  Ageratina adenophora Scott D. White, Justin M. Wood 2008-10-7 12551 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  RSA627489  Ageratina adenophora Louis C. Wheeler 1965-5-8 8705 Los Angeles San Gabriel Mountains: Fish Canyon near the mouth. Comment
  RSA729415  Ageratina occidentalis R. G. Swinney 1998-10-3 7017 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 2012 Comment
  JEPS22755  Agnorhiza ovata Rimo Bacigalupi with Reino Alava 1958-7-20 6409 Los Angeles Charlton Flat, close to Angeles Crest Highway San Gabriel Mountains, Angeles National Forest 1623 Comment
  UC586884  Agnorhiza ovata Joseph Andorfer Ewan 1934-8-11 8410 Los Angeles Chilao San Gabriel Mts. 1645 Comment
  POM183643  Agoseris grandiflora var. grandiflora Joseph A. Ewan 1929-5-25 3481 Los Angeles Santa Monica Mts. Above Providencio Rancho. Comment
  UCR205619  Agoseris retrorsa R. G. Swinney 2008-5-12 8843 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UCR194280  Agrostis R. G. Swinney 1998-8-5 6639 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA70221  Allium haematochiton T. Jacobsen 1907-6-5 1656 Los Angeles Saddle Peak, Santa Monica Mountains. Comment
  RSA367090  Allium lacunosum var. davisiae Robert Kessler 1923-4-1 s.n. Los Angeles Lancaster. Comment
  RSA410055  Allophyllum divaricatum Anstruther Davidson 1889-08 1945 Los Angeles Los Angeles. Comment
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Dec 21 2020
  RSA596075  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8624 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  HSC31659  Alnus rhombifolia Thomas E. Higley 1974-4-20 23 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  UC57499  Alnus rhombifolia J. H. Barber 1898-2-22 370 Los Angeles Topango Canyon Comment
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May 22 2014
  RSA720486  Alopecurus pratensis R. G. Swinney 1997-8-6 5767 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  SEINET12876884 Image available Alternanthera philoxeroides Unknown 1965-9-23 14171 Los Angeles 0.2 mi. N. of flood gates of Whittier Narrows Dam, W. of Rosemead Blvd., E. bank of the Rio Hondo, just E. of Montebello. Comment
  CATA1309  Amaranthus albus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2400 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  RSA601745  Amaranthus albus L. C. Wheeler 1966-10-22 9049 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
  SEINET13387023 Image available Amaranthus albus R. G. Swinney 2011-1 15386 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  SDSU2090  Amaranthus blitoides J. Youngberg 2841 Los Angeles Pomona College, Archery Field, Claremont. Comment
  RSA756353  Amaranthus cruentus A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37180 Los Angeles Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  RSA402990  Amaranthus deflexus N. C. Cooper 1947-9-1 2094 Los Angeles U.S.C. Campus Comment
  RSA404560  Amaranthus palmeri Anstruther Davidson 1945-1 s.n. Los Angeles Los Angeles. Comment
  LA31575  Amaranthus powellii Peter H. Raven; 1959-10-25 14707 Los Angeles 60 Comment
  POM30499  Amblyopappus pusillus George B. Grant, Wheeler 1904-5-7 38 Los Angeles Glendora. Comment
  RSA416874  Amblyopappus pusillus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  SBBG80307  Amblyopappus pusillus F. C. Boutin 1967-4-23 1671 Los Angeles Lemon Tank; dump site 304 Comment
  RSA533958  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5197 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA544568  Amblyopappus pusillus Timothy S. Ross, A. Kellogg 1992-4-13 6140 Los Angeles San Clemente Island. NW part of the island; coastal terrace in the vacinity of Darter. ( 340 degrees NNw, 1140m distant from 199' BM near Flasher; ca 250m NNW of the shifting sand.) 18 Comment
  SBBG12555  Amblyopappus pusillus P. H. Raven 1962-5-8 17590 Los Angeles above Seal Cove 38 Comment
  UCR213376  Ambrosia acanthicarpa Dan S. Cooper 2010-3-20 20100320- 07 A Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCSB27676  Ambrosia acanthicarpa Lavinger, S. 1975-10-6 Los Angeles On Los Angeles Crest Highway, 0.3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  CAS-BOT-BC42855  Ambrosia acanthicarpa Cecil Hart 1922-9-12 5 Los Angeles Howard & Smith's nursery, Montebello Comment
  JEPS45151  Amelanchier utahensis Frank W. Peirson 1911-1 Los Angeles Lower Rock Creek; San Gabriel Mountains Comment
  UCR210092  Amelanchier utahensis R. G. Swinney 2008-8-13 9380 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR213249  Amorpha californica Dan S. Cooper 2010-3-26 20100326- 11 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Beacon Hill in SE corner of park 296 Comment
  RSA250643  Amorpha californica var. californica R. F. Thorne 1971-4-2 41415 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
Read comments
Sep 17 2008
  UC56230  Amsinckia eastwoodiae H. M. Hall Apr. 1903 3768 Los Angeles Playa Del Rey, near Los Angeles Playa Del Rey Comment
  UC66687  Amsinckia eastwoodiae N. K. Berg 1904-4-14 Los Angeles Santa Monica Comment
  RSA0079971  Amsinckia intermedia H. J. Thompson 1959-4-19 1946 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  RSA213400  Amsinckia intermedia Reid V. Moran 1941-2-16 569 Los Angeles San Clemente Island. East side of Ravine, Middle Ranch. 500 Comment
  RSA536080  Amsinckia intermedia Tim Ross 1991-5-21 5425 Los Angeles San Clemente Island. Upper reaches of Box Canyon, SW side of the island. 366 Comment
  UC1594405  Amsinckia intermedia Tim Ross, Elizabeth Kellogg 1992-4-13 6141 Los Angeles nw part of Darter (coastal terrace in the vicinity of); San Clemente Island 18 Comment
  UC284965  Amsinckia spectabilis var. spectabilis P. A. Munz 1923-4-11 6771 Los Angeles shore of w coast San Clemente Island Comment
  RSA0012036  Amsinckia tessellata A. C. Sanders 2006-4-11 32046 Los Angeles Antelope Valley, NE of Palmdale, 90th St. East in vicinity of Ave. O . 793 Comment
  POM320304  Amsinckia tessellata var. tessellata Lynne Hayden, C. W. Tilforth 1970-4-25 73 Los Angeles San Gabriel Mountains: Near Pretty O Ranch on N4 off of route 138 to Lancaster. 1219 Comment
  UCR192529  Amsinckia vernicosa var. vernicosa A. C. Sanders 2008-4-10 34789 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  CHSC95544  Anisocoma acaulis LeRoy Gross 2005-4-28 2146 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  RSA587107  Anisocoma acaulis Orlando Mistretta 1995-4-21 1637 Los Angeles Little Rock Creek, Unnamed canyon draining the west slopes of Little Rock Creek Canyon 0.5 mi. N of Kitter Canyon. 1098 Comment
  SBBG68176  Anisocoma acaulis Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  UCR136837  Anthemis cotula John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  LA200151  Anthemis cotula Jonathan Sauer; D. Luksik 1978-5-27 6036 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Chamise area Comment
  LA201025  Anthriscus caucalis Carl Wishner; 1991-5-7 1946 Los Angeles Santa Monica Mountains, Corbin Canyon 99 Comment
  RSA11019  Antirrhinum coulterianum Carl B. Wolf 1928-4-1 1609 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UC440400  Antirrhinum coulterianum Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon; Santa Monica Mountains Comment
  JEPS14986  Antirrhinum kelloggii Ira W. Clokey, B. Templeton Mar 1929 4487 Los Angeles Mandeville Canyon; Santa Monica Mountains 350 Comment
  UCR280398  Antirrhinum nuttallianum Jeremiah George, Eric Kline 2017-4-17 417- 01 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  UC1349348  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1966-4-5 35876 Los Angeles Cottonwood Canyon Cottonwood Canyon, Santa Catalina Island; Santa Catalina Island 106 Comment
  SBBG12205  Aphanisma blitoides P. H. Raven 1962-4-9 17178 Los Angeles sides of small arroyo above Wilson Cove 60 Comment
  SBBG19176  Aphanisma blitoides M. A. Piehl 1963-12-7 631052 Los Angeles edge of mesa on SE tip of island opposite Pyramid Head 22 Comment
  SEINET11080170  Apiastrum angustifolium J. H. Barber 1897-3-28 113 Los Angeles Santa Monica Canyon. Comment
  RSA403094  Apocynum cannabinum Anstruther Davidson 1902-5-1 1098 Los Angeles Riveria Comment
Read comments
Sep 11 2007
  RSA145432  Aquilegia formosa var. truncata Gale Sphon 1959-6-27 377 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  RSA0128608  Arabis repanda var. repanda R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42228 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  UCR146468  Arabis sparsiflora var. californica Orlando Mistretta 1992-5-25 426 Los Angeles Transverse Ranges; San Gabriel Mountains, Fenner Canyon Conservation Camp, between camp boundary and water tower 1713 Comment
  JEPS40079  Aralia californica Frank W. Peirson 1918-7-13 131 Los Angeles Santa Anita Canyon San Gabriel Mts., Santa Anita Canyon 762 Comment
  UC1120816  Arbutus menziesii H. A. Jensen 1933-3-1 265 Los Angeles Angeles National Forest, Santa Anita Canyon Santa Anita Canyon; Angeles National Forest, Santa Anita Canyon 914 Comment
  SEINET11992702  Arbutus unedo Unknown 1945-1 s.n. Los Angeles Altadena Comment
  UCR124419  Arceuthobium campylopodum B. C. Templeton 1932-5-31 4846 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC303955  Arceuthobium campylopodum I. M. Johnston 1917-8-21 1688 Los Angeles Coldwater fork of the Creek San Antonio Mtns 2286 Comment
  RSA613500  Arceuthobium divaricatum Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Ridge between Boulder Canyon and Grandview Canyon. 1723 Comment
  POM244823  Arctostaphylos catalinae F. R. Fosberg 1931-5-19 S 4919 Los Angeles Santa Catalina Island. Head of Swain's Canyon, base of Blackjack Mountain 350 Comment
  RSA626775  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20490 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA626815  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20198 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626701  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22114 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  CAS-BOT-BC39341  Arctostaphylos glauca Ernest C. Twisselmann 1959-6-2 5339 Los Angeles Old Ridge Route, 2.2 miles south of Sandberg's Lodge. 1203 Comment
  POM367310  Arctostaphylos glauca I. M. Johnston 1930-2-9 4000 Los Angeles Burkhart Ranch 1220 Comment
  RSA631534  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15744 Los Angeles Santa Clara Divide Road (3N17), 2 km off Sand Canyon Road. 900 Comment
  RSA631659  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15700 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631685  Arctostaphylos glauca Jon E. Keeley 1977-11-5 7012 Los Angeles Stunt Road, several km west of Stunt Ranch. 530 Comment
  RSA631709  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15673 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  SDSU1500  Arctostaphylos glauca A. H. Gallup 1949-3-16 333 Los Angeles 'The Wash,' Claremont. 366 Comment
  UCD51243  Arctostaphylos glauca A. D. Gifford 1934-4-14 117 Los Angeles 2 1/2 miles W. of Simi Pk. 457 Comment
Read comments
May 28 2014
  RSA634744  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20612 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA634859  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20547 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634885  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20438 a Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635119  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20355 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  UCR189994  Arenaria douglasii R. G. Swinney 1998-6-16 6977 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  CAS-BOT-BC137668  Aristida adscensionis L. R. Abrams; I. L. Wiggins 1931-7-6 364 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  RSA417233  Artemisia californica M. B. Dunkle 1928-10-14 2015 Los Angeles Santa Catalina Island. Renton Mine Comment
  UCR205881  Artemisia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37084 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA595585  Artemisia douglasiana Lauren Raz, Steve Boyd 1996-10-23 058 Los Angeles Liebre Mountains. Cienega Campground. Ca. four miles along Forest Service Road 6N32 from saddle between Warm Springs and Fish Canyon 670 Comment
  RSA417281  Artemisia douglasiana Wm. Martin 1971-8-18 s.n. Los Angeles Vicinity of Chantry Flats, bottom of Santa Anita Canyon Comment
  SFV18422  Artemisia douglasiana anonymous s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  IRVC28670  Artemisia dracunculus A. C. Sanders, Mark Elvin 2002-6-18 25109 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  RSA608269  Artemisia dracunculus L. C. Wheeler 1933-8-5 2047 Los Angeles Santa Monica Mountains; North side; 5 miles E of Calabasas 305 Comment
  RSA251507  Artemisia nesiotica R. F. Thorne 1973-4-12 42907 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  UC1190081  Artemisia tridentata H. J. Thompson 1951-1-1 1424 Los Angeles 1 mi e Newhall Ranch (along Highway #126, near where Castaic River joins the Santa Clara River); Castaic River 289 Comment
  CAS-BOT-BC97291  Artemisia tridentata subsp. parishii Elmer I. Applegate 1931-11-2 6829 Los Angeles Newhall, at the railroad station Comment
  RSA596007  Artemisia tridentata subsp. parishii Timothy S. Ross, J. Mark Porter 1995-5-4 8434 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR240025  Artemisia tridentata var. parishii R. G. Swinney 2009-11-13 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA592442  Arundo donax L. C. Wheeler 1967-5-13 9501 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons. 373 Comment
  CATA1815  Aspidotis californica Benjamin E. Carter 2012-8-23 7003 Los Angeles Santa Catalina Island: West End Road west of Emerald Bay 81 Comment
  SEINET3153586  Aspidotis californica G. B. Grant 1901-1-1 248 Los Angeles Santa Monica Range Comment
  POM187681  Aster subulatus var. ligulatus Joseph A. Ewan 1930-9-15 5528 Los Angeles Ballona Creek at Playa del Rey Road Comment
  RSA229251  Astragalus brauntonii Silence Reynolds 1942-1 s.n. Los Angeles Santa Monica Mountains Comment
  UCR153326  Astragalus didymocarpus A. C. Sanders, T. B. Salvato 2005-4-26 29732 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UCR187214  Astragalus didymocarpus A. C. Sanders 2006-4-25 32188 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  CAS-BOT-BC182307  Astragalus didymocarpus var. didymocarpus A. C. Sanders; E. J. Lawlor 1988-4-3 7757 Los Angeles Tehachapi Mtns: SW end of [theTehachapi] the Tehachapi Mtns, 1 mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway 1284 Comment
  JEPS54624  Astragalus didymocarpus var. didymocarpus Frank W. Peirson 1920-3-28 2102 Los Angeles Tujunga Tujunga (on low hill road crosses at foot of canyon) 457 Comment
  RSA415471  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  RSA112203  Astragalus didymocarpus var. obispoensis H. D. Ripley, R. C. Barneby 1941-4-19 3261 Los Angeles 3 miles W of Palmdale, Antelope Valley. Comment
  UCR191262  Astragalus douglasii R. G. Swinney 1998-7-2 6209 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA415477  Astragalus douglasii var. douglasii Lewis S. Ross 1968-4-5 68019 Los Angeles 10 miles E of Gorman 854 Comment
  UCD104759  Astragalus douglasii var. douglasii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Table Mountain Campground. 2194 Comment
  CAS-BOT-BC187070  Astragalus lentiginosus H. M. Hall 1900-6-3 1485 Los Angeles Swarthout Canyon. San Antonio Mountains 1828 Comment
  UCR181305  Astragalus leucolobus R. G. Swinney 1997-6-13 5595 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  SBBG12328  Astragalus miguelensis P. H. Raven 1962-7-10 17955 Los Angeles near ocean W of Wall 2 Comment
  RSA774954  Astragalus pachypus R. G. Swinney 2009-5-6 10688 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  LA210503  Astragalus purshii var. lectulus T. R. Huggins; 2013-6-29 13- 240 Los Angeles SAN GABRIEL MOUNTAINS, Camp Coulter Pines, E of Jackson Lake. On private drive in front of Boy Scout cabin, 0.1 miles from Mescal Creek Road. 1900.0 Comment
  UC2025789  Astragalus trichopodus T. R. Huggins 2013-3-19 13 -018 Los Angeles Diamond Bar. On disturbed grassy hills adjacent to, and N of the 60 Fwy at its intersection with the 57 Fwy. Comment
  CAS-BOT-BC194030  Astragalus trichopodus var. lonchus Edith A. Purer 1935-5-11 6548 Los Angeles Malibu Road, Santa Monica Mts. Comment
  POM1744  Astragalus trichopodus var. lonchus I. M. Johnston 1917-6-10 1319 Los Angeles Near Mesmer. 30 Comment
  IRVC28597  Astragalus trichopodus var. phoxus A. C. Sanders, Mark Elvin 2002-6-19 25198 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  UC1871182  Astragalus trichopodus var. phoxus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4943 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UCD105475  Astragalus trichopodus var. phoxus Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman. 1188 Comment
  RSA9636  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 345 Los Angeles Garapito Creek, Santa Monica Mtns. 518 Comment
  CAS-BOT-BC200839  Astragalus trichopodus var. trichopodus Carl B. Wolf 1932-5-9 3433 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  RSA177732  Atriplex californica R. F. Thorne, P. Everett 1965-5-11 34560 Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  RSA155902  Atriplex californica P. H. Raven 1962-4-9 17158 Los Angeles near barracks, Wilson Cove, San Clemente Island 61 Comment
  UCR145160  Atriplex canescens subsp. canescens June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UC1136289  Atriplex lentiformis subsp. lentiformis R. St. John 1933-2-15 335 Los Angeles Pacific Palisades Calabasas Quad., Pacific Palisades Comment
  CATA201  Atriplex leucophylla Mark L. Hoefs 1973-4-15 180 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  UC205258  Atriplex leucophylla J. Burtt Davy 1896-10-14 2733 Los Angeles Santa Monica Comment
  SBBG93095  Atriplex linearis D. Swinney 1989-10-4 Los Angeles Glendora, South Hills, Sunflower exit on Hwy 210 268 Comment
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Mar 12 2013
  RSA3030  Atriplex nummularia C. B. Wolf 1931-12-30 2638 Los Angeles Playa del Rey 30 Comment
  UC527387  Atriplex nummularia Carl B. Wolf 1931-12-30 2633 Los Angeles coastal bluffs at Playa del Rey 30 Comment
  UCR50425  Atriplex rhagodioides Bob Muns 1988-3-29 s.n. Los Angeles Pacific coast, Malibu Lagoon. 8 Comment
  RSA595634  Atriplex semibaccata Steve Boyd, Lauren Raz 1996-10-8 9021 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  SBBG98485  Atriplex semibaccata T. Ross 1991-5-22 5444 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  RSA509708  Atriplex semibaccata L. C. Wheeler 1967-6-26 9907 Los Angeles San Gabriel Mountains : Placerita Canyon. 548 Comment
  SD40201  Atriplex semibaccata Edith A. Purer 1931-4-29 Los Angeles Redondo Beach Comment
  SFV18439  Atriplex semibaccata S. Haennelt 1976-8-9 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  RSA478427  Atriplex serenana E. S. Spalding 1923-6-28 s.n. Los Angeles Pt. Fermin. Comment
  CAS-BOT-BC176735  Atriplex serenana var. serenana Peter H. Raven; Henry J. Thompson 1959-10-14 14619 Los Angeles Malibu Junction 266 Comment
  RSA155799  Atriplex watsonii P. H. Raven 1962-4-11 17255 Los Angeles Due west of Wall 2, San Clemente Island 9 Comment
  SBBG132302  Atriplex watsonii S. A. Junak 1995-1-6 SCI- 246 Los Angeles W side of island, cove by "Flasher", near S end of dunes 12 Comment
  POM211534  Avena barbata Joseph A. Ewan 1932-2-20 7021 Los Angeles Campus of University of California, Faculty Hill. Comment
  RSA12182  Avena fatua C. B. Wolf 1934-4-11 5634 Los Angeles Bryant Ranch, E of Long Beach, in 1.48 acre tract at 7th and Hathaway. 23 Comment
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Jul 22 2014
  RSA599329  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  LA82503  Avena fatua O. H. Kappler; 1941-4-10 198 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon Comment
  CAS-BOT-BC68352  Azolla filiculoides Joseph Cook (Rev.) Nevin 1904-5-1 s.n. Los Angeles Los Angeles River Comment
  UC56663  Azolla filiculoides Ernest Braunton July 1902 572 Los Angeles L. A. River Comment
  RSA0116163  Baccharis pilularis R. G. Swinney 2010-10-5 13986 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA1230  Baccharis pilularis Knopf, E. R. Johnson 1930-2-1 1466 Los Angeles Near Little Harbor, Catalina Island 30 Comment
  SD167270  Baccharis pilularis Anuja Parikh, Nathan Gale 2004-5-13 2007 Los Angeles Northeast end of Santa Susana Mountains: Newhall Ranch near Magic Mountain Theme Park. 366 Comment
  LA203018  Baccharis salicifolia M. Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  LA91450  Baccharis salicifolia Bruce Douglas Clayton; Greg Clayton 1972-4-1 50 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons 490 Comment
  RSA483725  Baccharis salicifolia Richard Noyes, L. Arnseth 1988-4-30 519 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA596705  Baccharis salicifolia Steve Boyd, Lauren Raz 1996-9-24 8927 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA0065406  Baccharis salicifolia Gene Cooper 1961-4-25 s.n. Los Angeles San Gabriel Canyon. Comment
  UC1584750  Baccharis salicifolia subsp. salicifolia Tim Ross and Annette Ross 1991-3-7 4157 Los Angeles sw base of Elephant Hill (w Pomona, San Dimas USGS); Pomona, , San Dimas USGS 234 Comment
  RSA713823  Baccharis sarothroides Mark Elvin 2003-6-12 2947 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  UCR126786  Baccharis sarothroides Mark A. Elvin 2003-6-12 2947 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  LA200297  Barbarea orthoceras Peter H. Raven; 1960-5-29 15448 Los Angeles 792 Comment
  CAS-BOT-BC75759  Berberis nevinii John Thomas Howell 1930-5-18 5170 Los Angeles Pacoima Wash at entrance to Pacoima Canyon, San Fernando Valley. Comment
  LA201016  Berberis pinnata subsp. pinnata Carl Wishner; 1992-2-26 sn Los Angeles 150.0 Comment
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Aug 23 2018
  UC2026458  Bidens pilosa var. pilosa Louis C. Wheeler 1966-10-25 9074 Los Angeles SAN GABRIEL MOUNTAINS: E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA0092326  Blitum californicum R. G. Swinney 2011-3-17 14117 Los Angeles San Gabriel Mountains: Glendora, north of Mull Canyon debris basin 366 Comment
  CATA244  Bloomeria crocea Mark L. Hoefs, A. Douglas Propst 1973-5-4 241 Los Angeles Santa Catalina Island: By road, 1/4 mile west of Little Harbor, east exposure 30 Comment
  CAS-BOT-BC16086  Boechera californica Mrs. Joseph Clemens 1922-5-27 s.n. Los Angeles Fish Canyon, near Los Angeles. Comment
  UC205864  Boechera platysperma I. Johnston 1917-7-3 1465 Los Angeles Upper San Antonio Canyon Comment
  UC1971143  Boechera sparsiflora Scott D. White, D. E. Bramlet 1998-6-29 6821 Los Angeles West of Mt. Islip: just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  SEINET3260210 Image available Bolboschoenus maritimus R. G. Swinney 2008-4-30 8699 Los Angeles San Gabriel Mtns.; Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  UCR36479  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, F. C. Vasek 1984-6-6 5082 Los Angeles Mojave Desert, SW end of Rosamond Lake (dry) near E end of Ave. 'C 701 Comment
  POM11778  Bothriochloa barbinodis H. S. Yates 1914-6-6 s.n. Los Angeles Pomona. Comment
  RSA0110811  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mountains: Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Rd./Morgan Cyn., in dedicated open space. 366 Comment
  RSA177791  Bowlesia incana R. F. Thorne, P. Everett 1965-5-10 34488 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  SBBG97003  Bowlesia incana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4371 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UCR280402  Brachypodium distachyon Jeremiah George, Eric Kline 2017-4-17 417- 07 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  SEINET251738 Image available Brachypodium hybridum A. C. Sanders, Lee Jones 2005-4-8 29344 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs towaed Pt. Vicente (Redondo Beach 7.5 Q.: Near 33.44' 20'N, 118. 23' 58 2 Comment
  RSA0036832  Brassica geniculata Phil Elliott 1981-3-8 29 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/2 miles south of Grand Ave. Comment
  SEINET10904164  Brassica geniculata Donald R. Bissing 1973-6-2 Bissing 152 Los Angeles Evey canyon, san gabriel mtns: at mouth of canyon along fire rd in mixed evergreen forest. 707 Comment
  SDSU2621  Brassica rapa Gerald Collier 1951-3-9 M 206 Los Angeles 3634 N. Muscatel Ave., Rosemead. 10 miles east of L.A. Comment
  RSA482926  Brassica rapa Robert M. Perkins 1935-3-20 s.n. Los Angeles Los Angeles. Comment
  RSA679064  Brassica rapa V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1459 Los Angeles Along Sunset Ridge Fire Road, approximately 2 km southwest of Sunset Peak. 1585 Comment
  RSA188162  Brickellia californica R. F. Thorne 1966-4-5 35815 Los Angeles Santa Catalina Island. Along small stream in Middle Ranch Canyon below Stage Station SW of Eagles Nest. 76 Comment
  UCD129702  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-9-27 14550 Los Angeles Santa Monica Mountains. Latigo Canyon Road 1.0 miles east of Newton Canyon. 563 Comment
  RSA164855  Brickellia microphylla Wesley O. Griesel 1962-9-14 739 Los Angeles Hwy 2, Between Islip Saddle and Dawson Saddle 2133 Comment
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Feb 7 2008
  CAS-BOT-BC106148  Brickellia nevinii Fordyce Grinnell 1915-9-5 s.n. Los Angeles Echo Mts. - San Gabriel Mts. Comment
  RSA3606  Brodiaea jolonensis Carl B. Wolf 1932-5-13 3623 Los Angeles Santa Catalina Island. 3.5 mi (by road) from Avalon on way to Isthmus. 365 Comment
  SD185079  Bromus carinatus A. C. Sanders, Lee Jones 2005-4-8 29322 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point. 2 Comment
  UCR138506  Bromus carinatus L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp. 2012 Comment
  UCSB374  Bromus carinatus B., K. 1943-7-30 Los Angeles Monroe Canyon; San Dimas Experimental Forest; San Gabriel Mtns Comment
  CATA1990  Bromus catharticus Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 367 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  CAS-BOT-BC534058  Bromus diandrus R. G. Swinney 2010-4-15 12224 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25--0.7 mi E of Pacoima Wash 524 Comment
  POM363397  Bromus diandrus Robert D. Clarke 1979-4-12 s.n. Los Angeles Arcadia. LASCA [Los Angeles County and State Arbretum] Comment
  UCR219566  Bromus diandrus R. G. Swinney 2009-3-28 10205 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA522469  Bromus grandis Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4035 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA571543  Bromus grandis Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8308 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  UCR128160  Bromus grandis Mark A. Elvin, Cathleen Weigand 2003-5-22 2908 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  CAS-BOT-BC155389  Bromus hordeaceus Geo. B. Grant 1904-4-30 6165 Los Angeles Pasadena. Comment
  POM364026  Bromus madritensis subsp. madritensis Harry H. Stone 1936-1 s.n. Los Angeles Mint Canyon. Comment
  CATA1106  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-23 2060 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  CATA1711  Bromus madritensis subsp. rubens Mark L. Hoefs, Steven A. Junak 1999-5-20 3041 Los Angeles Santa Catalina Island: Near road between Black Jack Campground and Airport Road [by mine shaft] 487 Comment
  POM363913  Bromus rubens M. B. Dunkle 1939-4-4 7256 Los Angeles San Clemente Island. Pyramid Cove. Comment
  SBBG13306  Bromus rubens M. A. Piehl -Jun-1962 62396 Los Angeles cyn E of Thirst 304 Comment
  UCR217307  Bromus rubens R. G. Swinney 2009-3-10 10079 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCD59018  Bromus rubens subsp. rubens Louis C. Wheeler 1967-5-23 9700 Los Angeles San Gabriel Mountains: Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA603330  Bromus sterilis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel River Canyon: N of Azusa; roadside along Highway 39 above San Gabriel Reservoir. 476 Comment
  CHSC100686  Bromus tectorum G. D. Wallace; Ann Hiller 1983-5-18 2060 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA717853  Bromus tectorum R. G. Swinney, D. W. Larson 1996-8-7 5248 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s 1524 Comment
  SBBG22686  Bromus tectorum M. S. Walters 1950-1 Los Angeles Ridge Route (US Hwy 99) Comment
  CDA5376  Buddleja saligna T. C. Fuller 1965-4-26 13379 Los Angeles Adjacent to power sub-station, east side of Rambla Pacifico Road, Santa Monica Mountains, 0.3 mile north of Malibu Sea Lion, Malibu. 0 Comment
  SBBG108133  Cakile maritima S. L. Crockett, S. Schueller 1997-3-20 595 Los Angeles NE corner of Ben Weston Beach, ca. 100 m from ocean Comment
  CAS-BOT-BC233944  Calandrinia maritima Robert F. Thorne 1968-4-27 37528 Los Angeles Santa Barbara Island, slope about midway down Cave Canyon 60 Comment
  POM147541  Calandrinia maritima Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  CATA3393  California macrophylla Peter J. Dixon 2017-4-11 083 Los Angeles Santa Catalina Island: Big Fishermans Cove, (USC WIES) 110 m northeast of main lab building 40 Comment
  HSC1292  Calocedrus decurrens C. E. Fellows 1965-9-7 154 Los Angeles 15 mi. past Charlton Flats info. station on Mt. Wilson Rd. 1677 Comment
  RSA188529  Calocedrus decurrens Robert F. Thorne, John Olmsted 1965-8-26 35404 Los Angeles Angeles National Forest, Cabin Flat along Prairie Fork 1585 Comment
  UCSB9235  Calocedrus decurrens Crum, Charles 1958-7-3 Los Angeles Crystal Lake road, near Los Angeles, California 1219 Comment
  LA24311  Calochortus albus Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM246473  Calochortus catalinae F. R. Fosberg 1931-4-2 S 4456 Los Angeles Santa Catalina Island: Divide between Hamilton and Descanso Canyons. 200 Comment
  RSA377305  Calochortus catalinae A. M. Johnson 1934-4-7 4396 Los Angeles Botany Garden, Campus, UCLA Los Angeles Comment
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Oct 3 2014
  RSA679308  Calochortus catalinae Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 368 Los Angeles Santa Catalina Island. Ridge top running due west of jct Divide Rd and road to Avalon. Comment
  UCD139489  Calochortus catalinae P. B. Kennedy 1928-3-30 s.n. Los Angeles White's Landing, Santa Catalina Island. Among east ridge to south. Comment
  CAS-BOT-BC132349  Calochortus clavatus Reid Moran 1941-8-17 862 Los Angeles Pico Canyon 600 Comment
  RSA726011  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26132 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  RSA0025174  Calochortus invenustus Jane Tirrell 2012-6-27 LS 0086 Los Angeles North-facing slope of small open crest above Pacific Crest Trail, approximately 0.6 miles east of Windy Gap. 2517 Comment
  RSA641685  Calochortus invenustus Orlando Mistretta 1993-6-2 855 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap above Vincent Gulch. 2011 Comment
  RSA747169  Calochortus palmeri var. palmeri Orlando Mistretta 1992-6-23 605 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  UCR205833  Calochortus palmeri var. palmeri R. G. Swinney 2008-5-8 8798 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA641079  Calochortus plummerae Orlando Mistretta 1995-6-23 1838 -A Los Angeles San Gabriel Mountains: Lookout Mountain trail. 1814 Comment
  UCR264994  Calochortus striatus Russell Huddleston, Michelle Balk 2015-4-21 s.n. Los Angeles Western Mojave Desert, SW corner of Edwards Air Force Base, west of Rosamond Dry Lake, 0.15 mile south of Ave. A and 0.6 mile east of Division St./ Shuttle Rd., Piute Ponds 701 Comment
  POM351392  Calycadenia tenella L. C. Wheeler 1932-6-4 799 Los Angeles Live Oak Canyon 518 Comment
  UCD149831  Calyptridium monandrum R. Allemand; William Anderson 1965-5-13 s.n. Los Angeles Pearblossom. Comment
  IRVC27796  Calystegia macrostegia A. C. Sanders 2005-5-11 30163 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  CAS-BOT-BC215782  Calystegia macrostegia subsp. cyclostegia Le Roy Abrams 1901-4-5 1359 Los Angeles Chatsworth Park, San Fernando Mts. Comment
  RSA394908  Calystegia macrostegia subsp. intermedia Howard Mullins 1931-5-13 249 Los Angeles Griffith Park. Comment
  RSA529301  Calystegia macrostegia subsp. intermedia Tim Ross 1991-4-8 4466 Los Angeles Elephant Hill; western Pomona. 229 Comment
  SFV21427  Calystegia macrostegia subsp. intermedia L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1094 Los Angeles Verdugo Mountains Low foothills north of the 210 Freeway. Followed the firebreak southwest. 598 Comment
  RSA592473  Calystegia macrostegia subsp. macrostegia Mark Hoefs 1973-3-11 55 Los Angeles Santa Catalina island; near Renton Mine Road. 213 Comment
  SBBG125055  Calystegia peirsonii A. Parikh, N. Gale 2010-6-4 3260 Los Angeles E Liebre Mtns, Sierra Pelona, 2.7 km W of State Hwy 14, 1.2 km S of Avenue S 980 Comment
  UCR127654  Camissonia A. C. Sanders, Mark Elvin 2003-4-14 25958 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA127834  Camissonia bistorta Peter H. Raven 1959-4-18 13997 Los Angeles Santa Monica Mountains, Point Dume, sandy field behind point. 24 Comment
  RSA747458  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36917 Los Angeles San Gabriel Valley: San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee. 70 Comment
  RSA570055  Camissonia boothii subsp. decorticans Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4912 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  UCR108210  Camissonia boothii subsp. desertorum Steve Boyd, Kent Hughes 1998-5-5 10185 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
  UCR146455  Camissonia californica Orlando Mistretta 1992-5-21 398 Los Angeles Transverse Ranges; San Gabriel Mountains region, Right Star Mine, south of Acton 834 Comment
  SEINET3093226 Image available Camissonia campestris Norman C. Cooper, D. Cooper 1948-4-21 2682 Los Angeles Littlerock. 762 Comment
  UCD40978  Camissonia campestris subsp. campestris Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-4-14 1602 Los Angeles Antelope Valley Poppy Reserve. Comment
  NY679586  Camissonia cheiranthifolia subsp. suffruticosa W. F. Parish 1891-1 s.n. Los Angeles Sea beach at Long Beach. San Bernardino. Comment
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Oct 14 2014
  RSA654031  Camissonia hirtella Valerie L. Soza, Laura Moore 2000-5-10 833 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines 595 Comment
  RSA448989  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Hollywood or Toluca. Comment
  RSA449013  Camissonia intermedia Anstruther Davidson 1905-1 1435 Los Angeles Hollywood. Comment
  RSA577281  Camissonia intermedia Orlando Mistretta 1994-7-20 1441 Los Angeles Big Rock Creek. South Fork Campground. 1402 Comment
  RSA599680  Camissonia intermedia Steve Boyd, Lauren Raz 1997-5-6 9699 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  POM3238  Camissonia micrantha I. M. Johnston 1917-5-6 1932 Los Angeles Evey Canon, north of Claremont. 686 Comment
  UCR200117  Camissonia micrantha Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 786 Los Angeles Verdugo Mountains, south side'', Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 396 Comment
  RSA229918  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1971-6-30 40801 Los Angeles San Gabriel Mountains. 1555 Comment
  UCR271590  Camissonia strigulosa R. G. Swinney 2011-5-19 14765 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UCR277217  Camissoniopsis R. G. Swinney 2010-5-25 12948 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  UC172331  Camissoniopsis bistorta Katharine Brandegee Los Angeles Saugus Comment
  SD66841  Camissoniopsis guadalupensis subsp. clementina R. Mitchel Beauchamp 1967-6-2 544 Los Angeles San Clemente Island, at the extreme southern limit of the sand dunes, south of Flasher station. Comment
  UC1922650  Camissoniopsis ignota Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1158 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 457 Comment
  SBBG17305  Camissoniopsis intermedia M. Vincent 1962-4-6 163 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  SBBG38633  Camissoniopsis micrantha M. B. Dunkle 1939-4-6 7298 Los Angeles Mosquito Harbor Comment
  SFV16656  Cannabis sativa M. H. Grayum, D. Gillen 1978-8-15 s. n. Los Angeles Santa Monica Mountains Malibu Creek, Century Ranch. 148 Comment
  CAS-BOT-BC37084  Capsella bursa-pastoris C. W. Tilforth 1968-11-23 132 Los Angeles Los Angeles State and County Arboretum. Comment
  CAS-BOT-BC37459  Cardamine californica J. Ewan 1930-3-30 2279 Los Angeles San Gabriel Mountains. Monrovia Canyon. 640 Comment
  LA51500  Cardamine californica O. H. Kappler; 1943-4-28 375 Los Angeles Santa Monica Mountains, Sepulveda Canyon, Lower end Sepulveda Canyon 152 Comment
  SEINET12004992  Cardamine integrifolia J. F. Bright 1934-1 9240 Los Angeles Santa Monica Coast Range Comment
  UCR219553  Carduus pycnocephalus R. G. Swinney 2009-3-31 10221 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  UCR203109  Carex R. G. Swinney 2001-8-27 8108 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
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Sep 12 2018
  RSA0106496  Carex alma R. G. Swinney 2011-10-18 15832 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA602830  Carex alma L. C. Wheeler 1967-5-24 9732 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 678 Comment
  RSA630263  Carex alma Scott D. White, David E. Bramlet 1998-8-11 7028 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  SEINET11629422  Carex alma C. V. Braun 1975-1 144 Los Angeles 1.4 mi N NW of Drinkwater Reservoir, San Francisquito Canyon Comment
  UC1133494  Carex alma Jerome S. Horton 1937-6-10 459 Los Angeles below Fern Canyon debris Dam 1371 Comment
  JEPS48978  Carex fracta Joseph A. Ewan 1932-6-16 7291 Los Angeles Charlton Flats San Gabriel Mts., Charlton Flats 1524 Comment
  RSA191154  Carex fracta Robert F. Thorne, M. Z. Thorne 1967-7-19 37195 Los Angeles San Gabriel Mountains. 1981 Comment
  CAS-BOT-BC21761  Carex hassei Robert F. Thorne 1971-8-25 41299 Los Angeles At Little Jimmy Springs. San Gabriel Moutains, Angeles National Forest. 2255 Comment
  UCR272993  Carex heteroneura R. G. Swinney 2011-7-29 15566 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA91592  Carex mesochorea F. W. Peirson 1929-5-10 8365 Los Angeles Altadena. Comment
  POM1491  Carex multicaulis Le Roy Abrams 1901-07 1885 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  RSA604684  Carex praegracilis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  CAS-BOT-BC117970  Carex rossii John Thomas Howell 1947-7-18 23393 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  UC285004  Carex schottii P. A. Munz 1923-5-1 7775 Los Angeles Puddingstone Canyon San Dimas 243 Comment
  CAS-BOT-BC117315  Carex spissa H. E. Hasse 1888-5-10 s.n. Los Angeles Canyon near Glendale. Comment
  CAS-BOT-BC116598  Carex subfusca Robert F. Thorne; John Olmstead 1965-8-26 35389 Los Angeles San Gabriel Mts. Angeles National Forest, Camp Lupine near Prairie Fork. 2011 Comment
  RSA529916  Carex subfusca Timothy S. Ross 1991-8-16 5837 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA402596  Carpobrotus edulis Robert Gustafson 1981-3-10 2118 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA0010905  Castilleja affinis R. G. Swinney 2005-8-15 8478 Los Angeles Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon. 1341 Comment
  SBBG108130  Castilleja affinis S. L. Crockett, S. Schueller 1997-3-8 561 Los Angeles point overlooking Cottonwood Beach, ca. 25 m W of rd Comment
  RSA523422  Castilleja affinis L. R. Heckard 1971-5-25 2578 Los Angeles Gravelly wash east of Rancho Santa Ana Botanic Garden, Claremont. Comment
  UCR150580  Castilleja applegatei subsp. martini L. C. Wheeler 1967-9-4 10652 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain Ridge 2241 Comment
  JEPS5153  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millards Canyon San Gabriel Mountains 853 Comment
  RSA589223  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2923 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  POM305746  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-6-27 947 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. Comment
  CATA641  Castilleja foliolosa Mark L. Hoefs 1991-4-16 1108 Los Angeles Santa Catalina Island: Near lower end of Renton Mine Road 201 Comment
  RSA594745  Castilleja foliolosa Tim S. Ross 1995-4-7 8359 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  SFV7336  Castilleja foliolosa T. Gordon, M. H. Grayum 1975-3-21 852 Los Angeles Santa Monica Mountains Along Mulholland Highway about 5 miles west of Malibu Canyon Road. 305 Comment
  UCR142504  Castilleja foliolosa F. R. Fosberg 1931-3-18 S- 4292 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 20 Comment
  SBBG41337  Castilleja foliolosa M. R. Benedict 1970-6-27 Los Angeles half-way between airport and jct of Cape Cyn Rd Comment
  CAS-BOT-BC243781  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Horse Flats Campground, Angeles National Forest, San Gabriel Mountains Comment
  RSA582913  Castilleja grisea Mark A. Elvin, Gery Allan 1995-5-20 16 Los Angeles San Clemente Island: SW tip of island S of Guds on lowest coastal terrace; alt- 10' 3 Comment
  UC26443  Castilleja linariifolia J. H. Barber 1897-6-26 189 Los Angeles Aliso Canyon Comment
  JEPS27010  Castilleja miniata Gale Sphon 1959-7-4 Los Angeles 1 mi n Little Jimmy Springs (Angeles Crest Highway); Angeles National Forest Comment
  UCR277174  Castilleja miniata R. G. Swinney 2010-9-30 13950 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  RSA588971  Castilleja plagiotoma Orlando Mistretta 1994-6-8 1352 Los Angeles Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1159 Comment
  PASA992  Castilleja stenantha Frank W. Peirson 1924-8-23 Los Angeles West Fork San Gabriel River 411 Comment
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Jan 30 2017
  CHSC8383  Casuarina equisetifolia E. L. Smith 1957-3-23 267 Los Angeles Located on Pomona College campus, Claremont. San Gabriel Mountains. 381 Comment
  UCR190614  Caulanthus heterophyllus R. G. Swinney 2000-6-25 7798 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  POM82722  Caulanthus heterophyllus var. heterophyllus P. A. Munz 1925-4-23 9451 Los Angeles San Gabriel Canyon. 488 Comment
  RSA0056531  Ceanothus cordulatus Orlando Mistretta 1992-6-16 11 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains region. Comment
  CAS-BOT-BC48743  Ceanothus crassifolius Geo. B. Grant 1901-1-1 8988 Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  JEPS42402  Ceanothus crassifolius Frank W. Peirson 1919-1-19 302 a Los Angeles foot of Rubio Canyon; San Gabriel Mts., foot of Rubio Canyon 548 Comment
  LA36843  Ceanothus crassifolius Roxana S. Ferris; 1941-3-9 10321 Los Angeles Santa Susana Mountains, Pico Canyon, Ca. 2 mi. W of U.S. Hwy. 99 Comment
  RSA399017  Ceanothus cuneatus F. R. Fosberg 1931-3-1 s 4222 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  SBBG119452  Ceanothus cuneatus M. A. Elvin, C. Weigand 2003-4-8 2458 Los Angeles flats S of confluence of Hasley Cyn with Castaic Crk, Newhall Ranch 297 Comment
  JEPS42305  Ceanothus greggii var. vestitus F. W. Peirson 1919-6-14 415 a Los Angeles san Gabriel Mts. 1371 Comment
  CAS-BOT-BC50159  Ceanothus integerrimus A. D. E. Elmer 1902-6-1 3595 Los Angeles Acton, Mt. Gleason Comment
  POM84581  Ceanothus integerrimus George B. Grant 1904-5-17 149 Los Angeles Mt. Wilson. 1524 Comment
  UCR223092  Ceanothus integerrimus R. G. Swinney 2009-6-2 11008 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCSB36659  Ceanothus integerrimus Brownell, Kathleen 1980-5-18 Los Angeles 1.5 mi. N of Hwy 83 on Mt. Baldy Rd; San Gabriel Mtns; Angeles National Forest 1066 Comment
  RSA399875  Ceanothus integerrimus Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon. Comment
  RSA399011  Ceanothus leucodermis Tisdale 1929-4-15 s.n. Los Angeles Topanga Canyon. Comment
  UC1070850  Ceanothus leucodermis R. St. John 1930-2-15 97 Los Angeles Oat Mountain Santa Susana quad. 1066 Comment
  UCR266383  Ceanothus leucodermis D. E. Bramlet, Allison D. Rudalevige 2009-4-28 4371 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Big Tujunga Canyon Rd., across from nursery 416 Comment
  RSA11768  Ceanothus megacarpus E. Lloyd 1933-3-6 s.n. Los Angeles Stone Canon. Comment
  RSA399110  Ceanothus megacarpus Ora M. Clark 1929-1-27 1492 Los Angeles North Hollywood Comment
  SEINET13946003 Image available Ceanothus megacarpus Lewis S. Rose 1966-1 66114 Los Angeles Santa Monica Mountains, above Beverly Hills, alt ca 700 ft 213 Comment
  RSA158347  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-9 17704 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  RSA177818  Ceanothus megacarpus var. insularis Robert F. Thorne, Percy C. Everett 1965-5-10 34478 Los Angeles On E slope of Black Jack Mt. near Summit Road; Santa Catalina Island. Comment
  RSA399715  Ceanothus megacarpus var. insularis M. B. Dunkle 1929-3-23 2077 Los Angeles Santa Catalina Island. Salta Verde. Comment
  UC1184983  Ceanothus megacarpus var. megacarpus Huron H. Smith 1912-5-29 5031 Los Angeles Trail from summit, Santa Catalina Isl. 365 Comment
  CAS-BOT-BC50498  Ceanothus oliganthus Le Roy Abrams 1899-3-11 292 Los Angeles Millards Canyon Comment
  RSA128279  Ceanothus oliganthus H. J. Thompson 1959-3-27 1890 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 750 Comment
  UC170186  Ceanothus oliganthus var. oliganthus Geo. B. Grant June, 1904 147 a Los Angeles Pasadena Comment
  CHSC5097  Ceanothus palmeri M. MacArthur 1967-7-16 82 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA0040255  Ceanothus spinosus Ora M. Clark 1929-3-24 1784 Los Angeles Santa Susanna Mountains, So. Calif. Comment
  UCD57900  Cenchrus spinifex T. C. Fuller 1958-8-6 3960 Los Angeles 9 miles west Lancaster, 1/4 mile south of Avenue I, west of 90th St. East. Comment
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Jun 2 2015
  LA211266  Centaurea calcitrapa Arthur C. Gibson; Tarja Sagar 2006-7-16 5166 Los Angeles SIMI HILLS, along fire road, Upper Virgenes Canyon. Comment
  SD112011  Centaurea cineraria Linda Allen, Betsy Carpenter 1975-3-22 Los Angeles Santa Catalina Island. North end of Avalon Bay. Comment
  SBBG54246  Centaurea melitensis F. C. Boutin 1967-4-23 1633 Los Angeles Wilson Cove Comment
  SEINET4044544 Image available Centaurea melitensis D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  RSA167693  Centranthus ruber Robert F. Thorne, Percy C. Everett 1964-2-7 33448 Los Angeles Growing along road to Pebbly Beach from Avalon. Santa Catalina Island 3 Comment
  CAS-BOT-BC179818  Centrostegia thurberi David D. Keck; Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi S of Palmdale Comment
  CAS-BOT-BC179809  Centrostegia thurberi James L. Reveal 1988-5-16 6776 Los Angeles Portal Ridge N of Elizabeth Lake, 2.1 miles E of Lake Hughes at the Lake Hughes Ropad and 0.8 mile W of Willow Springs Canyon (or Munz Ranch Road, on low hills N of Elizabeth Lake Road County Road N2), at milepost 16.5 1021 Comment
  RSA567531  Centrostegia thurberi Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3929 Los Angeles Liebre Mtn: near center of the long summit, in the vicinity of the old Radio Tower site; nr ctr NE 1/4 sect 10 1720 Comment
  UCR194769  Cerastium glomeratum Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 723 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  SFV21102  Cercocarpus betuloides L. Gross, I. E. Anderson, V. Soza 2000-6-6 s. n. Los Angeles Verdugo Mountains Southwest side of Verdugo Mountain, north of Chandler Fire Road (Verdugo Mountainway), northwest of La Tuna above Chandler Canyon, south of La Tuna Canyon. 427 Comment
  UCR269956  Cercocarpus betuloides R. G. Swinney 2010-5-19 12806 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  SBBG78165  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-3-18 4282 Los Angeles Hamilton Cyn 10 Comment
  CAS-BOT-BC279532  Chaenactis artemisiifolia Geo. B. Grant 1902-4-7 15724 Los Angeles Near Laurel Canon [Canyon] Comment
  CHSC98405  Chaenactis artemisiifolia LeRoy Gross 2001-5-6 380 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd city of Sun Valley. Sunny open southeast facing slope near ridgetop. Comment
  UCSC001466  Chaenactis artemisiifolia Peter Kamb 1947-6-30 611 Los Angeles San Gabriel Canyon Rd. below Crystal Lake San Gabriel Canyon Rd., Crystal Lake - San Gabriel Mts. 1372 Comment
  CAS-BOT-BC32710  Chaenactis aurea LeRoy Abrams 1901-7-1 1890 Los Angeles Wilson's Peak Comment
  SD224829  Chaenactis xantiana B. Pitzer 1996-4-20 2691 Los Angeles Western Mojave Desert, Antelope Valley. N side of St. Hwy 138 (= Ave D), ca. 2 mi. W of Country Store, at town of Neenach (ca. 30 mi. W of Hwy I-14). 914 Comment
  UCR189267  Chaenactis xantiana R. G. Swinney 1998-5-16 6089 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR214028  Chaenactis xantiana A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37957 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  SBBG46742  Chaenactis xantiana Leota Davidson 1965-5-9 164 b Los Angeles E of Little Rock Comment
  LA200427  Chamaesyce albomarginata Joseph Andorfer Ewan; 1932-7-11 7973 Los Angeles Los Angeles, Van Nuys Estate of Loma Drive Comment
  RSA600357  Chamaesyce albomarginata Steve Boyd, Lauren Raz 1997-5-28 9881 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA670936  Chamaesyce maculata Joseph M. Keefe 2001-3-19 31169 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of end of road, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 470 Comment
  RSA70397  Chamaesyce serpillifolia F. W. Peirson 1904-9-5 2035 Los Angeles La Canada Comment
  CAS-BOT-BC70020  Cheilanthes covillei John H. Thomas 1967-3-22 7573 Los Angeles San Gabriel Mts., Angeles National Forest, Sulphur Springs, about 18 miles NE of center of Pasadena 1219 Comment
  CAS-BOT-BC70022  Cheilanthes covillei Geo. B. Grant 1902-6-1 s.n. Los Angeles Mt. Lowe 1524 Comment
  SEINET3153703  Cheilanthes covillei G. B. Grant, W. Wheeler 1904-5-17 6264 Los Angeles Mt. Wilson 1676 Comment
  SFV12566  Cheilanthes covillei M. H. Grayum, D. L. Koutnik 1977-11-25 887 Los Angeles San Gabriel Mountains Vasquez Rocks, near Agua Dulce. 732 Comment
  RSA613608  Cheilanthes covillei L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  RSA0082905  Chenopodium Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3123 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along upper terrace overlooking the ocean. 39 Comment
  UCR206515  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36957 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  CAS-BOT-BC426288  Chenopodium album Peter H. Raven 1957-9-21 11367 Los Angeles Topanga Canyon, 2.3 mi. above US 101 alternate, Santa Monica Mts. Comment
  RSA64943  Chenopodium album F. W. Peirson 1918-5-26 1827 Los Angeles Hennigers, N base of San Gabriel Mts. 854 Comment
  RSA423304  Chenopodium ambrosioides B. C. Templeton 1959-10-8 8603 Los Angeles In vacant lot, Glendale Comment
  SEINET11261311  Chenopodium ambrosioides Steve Boyd, Lauren Raz 1996-10-14 9072 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area.; 0 1000 Comment
  UC54958  Chenopodium ambrosioides H. P. Chandler 1902-9-9 2019 Los Angeles roadside near Ballona Lagoon Comment
  RSA0053870  Chenopodium berlandieri R. G. Swinney 2010-4-28 12432 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCR129398  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  SEINET5764388 Image available Chenopodium californicum Freda Detines 1929-1 s.n. Los Angeles Santa Catalina Island Comment
  POM12232  Chenopodium californicum F. L. Robinson 1921-3-20 18 Los Angeles Claremont. Comment
  UCSB45277  Chenopodium californicum Davis, K. 1979-2-4 Los Angeles End of Tranchas Canyon Rd. near Malibu in the Santa Monica Mtns. 91 Comment
  UCR209246  Chenopodium fremontii R. G. Swinney 2008-10-8 9530 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  CLARK-A1528-2567  Chenopodium multifidum John C. Roos 1937-7-19 1159 Los Angeles Pasadena Comment
  RSA534016  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5297 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 274 Comment
  RSA650316  Chenopodium murale Don Black 1948-4-20 s.n. Los Angeles Found 1 mi. North of 101 highway, El Rio. 22 Comment
  SD90263  Chenopodium murale Robert F. Thorne 1973-4-12 42926 Los Angeles San Clemente Island: Pyramid Cove at south end of island 3 Comment
  UCR205730  Chenopodium pumilio A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37014 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA64805  Chenopodium pumilio L. C. Wheeler 1932-7-2 894 Los Angeles San Dimas Canyon. 457 Comment
  SD138484  Chloris virgata Steven A. Junak 1990-11-9 SCI 143 Los Angeles San Clemente Island; N end of island, just SE of Passenger terminal building at airfield. 60 Comment
  UCR50871  Chorizanthe californica A. C. Sanders 1988-5-18 7837 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CAS-BOT-BC252765  Chorizanthe parryi var. fernandina Le Roy Abrams 1901-4-1 1337 Los Angeles Chatsworth Park Comment
  UCR167546  Chorizanthe spinosa S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  CAS-BOT-BC244669  Chorizanthe staticoides F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC244812  Chorizanthe staticoides H. W. Grant 18 May 3887 Los Angeles Pasadena Comment
  JEPS57797  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  LA52276  Chorizanthe staticoides Louis Wheeler; 1932-4-30 668 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 167 Comment
  RSA522441  Chorizanthe staticoides Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4064 Los Angeles NNE of Tie Summit Station and E of Angeles Forest Hwy., Tujunga Ranger District, Angeles Nat'l Forest. 1463 Comment
  UC205953  Chorizanthe staticoides I. Johnston 1917-5-13 27 P Los Angeles San Gabriel Wash 152 Comment
  UCR125395  Chorizanthe staticoides A. C. Sanders, Mark Elvin 2003-3-5 25744 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  SEINET10891359 Image available Chorizanthe staticoides Adolph D. E. Elmer Elmer 3689 Los Angeles Comment
  RSA724456  Chorizanthe staticoides subsp. staticoides K. Dobry 1991-5-22 d- 660 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  CDA7407  Chrysanthemum coronarium T. S. Ross, Annette Ross 1991-6-3 5511 Los Angeles Elephant Hill, W Pomona. Comment
  POM18187  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1923-9-1 7701 Los Angeles Saw Mill, Swartout Valley 2026 Comment
  POM194149  Cirsium occidentale var. californicum Lyman Benson 1945-6-5 11772 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  RSA661182  Cirsium occidentale var. californicum LeRoy Gross, Valerie L. Soza, Samantha Tessel 2001-6-4 403 Los Angeles Vedugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  UCR125263  Cirsium occidentale var. californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25536 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  RSA438796  Cirsium occidentale var. occidentale M. B. Dunkle 1939-4-3 7227 Los Angeles Chenette Canyon, San Clemente Island. Comment
  SBBG95914  Cirsium occidentale var. occidentale M. B. Dunkle 1939-4-3 7227 Los Angeles Chenetti Cyn Comment
  RSA547811  Cirsium vulgare Timothy S. Ross, Peter W. Fritsch 1990-6-20 3613 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  CAS-BOT-BC438757  Cistanthe monandra Alice Eastwood 1919-6-20 9023 Los Angeles Mt. Wilson Comment
  RSA515212  Cistanthe monandra Steve Boyd 1986-3-30 1510 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA588905  Cistanthe monandra Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2945 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  CAS-BOT-BC438760  Cistanthe monandra Peter H. Raven 1962-5-1 17514 Los Angeles Santa Monica Mountains, Corral Canyon Road 5.3 miles north of Coast Highway 579 Comment
  SBBG119136  Cistus ladanifer S. D. White 2004-7-27 10628 Los Angeles Clear Crk area, roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jct with Angeles Crest Hwy; T2N R12W S8 1067 Comment
  LA200700  Clarkia bottae H. & M. Lewis; 1947-5-7 211 Los Angeles Santa Monica Mountains, Decker Road, 0.4 mi. N of Latigo Canyon Rd Comment
  RSA507976  Clarkia bottae Steve Boyd, T. S. Ross 1988-4-28 2230 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  SFV6279  Clarkia cylindrica M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains Oat Mountain. Along main ridge road. 1021 Comment
  SBBG60288  Clarkia cylindrica subsp. cylindrica M. N. Ackley 1927-5-29 747 Los Angeles Mulholland Drive 457 Comment
  RSA0011589  Clarkia dudleyana Orlando Mistretta, Cher Batchelor 2011-7-27 5998 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  RSA545315  Clarkia dudleyana Tim S. Ross 1992-5-17 6345 Los Angeles San Gabriel Mountains; near elbow of the E fork of the San Gabriel River. 260m W of the mouth of Cattle Canyon 576 Comment
  RSA652346  Clarkia dudleyana Gene Cooper 1961-5-1 s.n. Los Angeles Big Dalton Canyon Comment
  RSA631079  Clarkia epilobioides Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  SBBG131715  Clarkia epilobioides S. A. Junak 1999-5-22 SCa 1005 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  RSA72216  Clarkia heterandra F. W. Peirson 1923-6-9 3551 Los Angeles Pine Canyon near Elizabeth Lake. 1189 Comment
  UC1871296  Clarkia heterandra T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3909 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon Comment
  RSA491786  Clarkia purpurea subsp. quadrivulnera James L. Reveal 1988-5-17 6790 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon). Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  RSA229167  Clarkia rhomboidea Robert F. Thorne, C. W. Tilforth 1971-6-30 40802 -b Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  CAS-BOT-BC165501  Clarkia unguiculata Robert F. Thorne; C. W. Tilforth 1971-6-17 39936 Los Angeles 2 miles up Lower Tujunga Rd. from Forestry Headquarters. San Gabriel Mts., Angeles National Forest 457 Comment
  LA45508  Clarkia unguiculata Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA0035204  Clarkia unguiculata Harvey Anderson, Carl Epling 1930-5-30 s.n. Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  RSA73362  Clarkia unguiculata Joseph A. Ewan 1930-5-30 2234 Los Angeles Cahuenga Peak, Santa Monica Mountains. Comment
  UCR192162  Claytonia exigua subsp. exigua A. C. Sanders 2008-4-18 34965 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  JEPS126445  Claytonia parviflora CNPS Field Staff 2015-4-15 SSNF 1806 Los Angeles Private Ranch. Comment
  UCR223083  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR190434  Claytonia parviflora subsp. viridis R. G. Swinney 2000-5-6 7671 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCR223464  Claytonia parviflora subsp. viridis R. G. Swinney 2009-6-3 11054 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC439911  Claytonia perfoliata subsp. intermontana C. F. Baker 1904-4-22 4726 Los Angeles Monrovia Comment
  LA200781  Claytonia perfoliata subsp. mexicana A. M. Johnson; 1928-2-16 122 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC729793  Claytonia perfoliata subsp. mexicana Carl B. Wolf 1932-5-11 Los Angeles above road Fourth of July Cove; Santa Catalina Island 30 Comment
  RSA117690  Claytonia perfoliata subsp. mexicana S. Tillett 1956-3-18 427 Los Angeles 1 mile up mouth of Cobal Canyon, N end of Mills Ave., Claremont, then along stream bed 1/4 mile after road turns up hill; stream turns right then left. Comment
  UC1228871  Claytonia perfoliata subsp. mexicana Peter H. Raven 1962-4-10 17218 Los Angeles about 2 mi n Thirst (San Clemente Island); San Clemente Island 487 Comment
  RSA653919  Claytonia perfoliata subsp. perfoliata Valerie L. Soza, Wayne Law, Laura Moore 2000-6-28 1040 Los Angeles San Gabriel Mountains: Northwestern extension of Pine Mountain, 0.1 mile east of junction with Rincon Red Box Road (FS Road 2N24.2) and road to Pine Mountain (FS Road 2N24A) along fire road. 1280 Comment
  LA52245  Clematis lasiantha E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  RSA305987  Clematis lasiantha F. C. Boutin 1966-4-12 s.n. Los Angeles Little Tujunga Canyon road, Pacoima Canyon; extreme western Angeles National Forest, San Gabriel Mountains. Comment
  RSA84410  Clematis lasiantha F. W. Peirson 51 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. Comment
  RSA386254  Clematis ligusticifolia Bonnie C. Templeton 1938-8-19 s.n. Los Angeles Bouquet Canyon. Comment
  SBBG13508  Clematis ligusticifolia E. R. Blakley 1962-10-5 5450 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  POM96  Clematis pauciflora I. M. Johnston 1918-6-2 s.n. Los Angeles Mouth of San Antonio Canyon. San Antonio Mts 610 Comment
  SBBG31383  Clinopodium douglasii R. F. Thorne with P. C. Everett 1965-5-12 34626 Los Angeles Bullrush Cyn 243 Comment
  UC40887  Coffea arabica J. Burtt Davy Octo. 1896 Los Angeles Grown in the open, Hollywood near Los Angeles Comment
  RSA408264  Collinsia heterophylla Gale Sphon 1959-4-10 312 Los Angeles Mulholland Drive. Comment
  UCR189839  Collinsia torreyi R. G. Swinney 1998-8-31 6879 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.6 mi. west of West Mt. Baldy 2683 Comment
  UC1260167  Collinsia torreyi var. wrightii Robert F. Thorne and Larry DeBuhr 1974-6-28 44747 Los Angeles Lily Springs Area on n slope of Mount Hawkins, drainage of South Fork of Big Rock Creek, San Gabriel Mountains, Angeles National Forest South Fork of Big Rock Creek; San Gabriel Mountains, Angeles National Forest 2438 Comment
  RSA774178  Collomia grandiflora R. G. Swinney 2009-7-22 11336 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA305981  Colutea arborescens Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  CAS-BOT-BC59716  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-1-18 1387 Los Angeles Santa Monica Mts. 3.1 mi. n. of highway 1 along Topanga Can. Blvd. Comment
  JEPS2534 Image available Comarostaphylis diversifolia subsp. planifolia W. L. Jepson 1908-7-13 3064 Los Angeles Swain Canyon Santa Catalina Island; Swain Canyon, Santa Catalina Island Comment
  LA94806  Comarostaphylis diversifolia subsp. planifolia Anonymous; 1972-8-3 sn Los Angeles Santa Monica Mountains, Rustic Canyon, ca 0.5 mi S of Camp Josepho 182 Comment
  UCR271789  Conium maculatum R. G. Swinney 2011-6-23 15305 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UC625047  Constancea nevinii F. R. Fosberg 1931-7-16 S 5609 Los Angeles Avalon Santa Catalina Island, Avalon 5 Comment
  RSA0002498  Convolvulus aridus subsp. intermedius Anonymous 1899-04 311 Los Angeles Inglewood-near. Comment
  CATA3087  Convolvulus arvensis Amy Catalano, Steven Junak 2016-4-28 092 Los Angeles Santa Catalina Island: North edge of Triangulation Point Pablo downslope from trail 31 Comment
  RSA0113730  Convolvulus arvensis Steven A. Junak 1999-5-21 SCa- 970 Los Angeles Santa Catalina Island. On E side of KBRT Valley, E of radio antennas. 457 Comment
  SD72155  Convolvulus mauritanicus Austin Griffiths Jr., Frieda K. McGuire 1963-6-4 4775 Los Angeles Perry's Plants, La Puente. Comment
  RSA589514  Convolvulus simulans T. S. Ross 1995-5-21 8604 Los Angeles San Clemente Island: Near head of Chenetti Canyon. just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft SSE of Rest triangulation point (1336 ft). 347 Comment
  RSA258374  Conyza bonariensis C. W. Tilforth 1972-6-23 601 Los Angeles Los Angeles. Found occasionally under almost all conditions. Comment
  CAS-BOT-BC286122  Conyza canadensis J. H. Thomas 1956-9-29 6457 Los Angeles Pasadena Comment
  POM356003  Coreopsis californica B. C. Templeton 1931-5-17 1206 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  SEINET8483161 Image available Coreopsis calliopsidea N. H. Holmgren, Patricia K. Holmgren 1974-4-4 7625 Los Angeles Mojave Desert; Antelope Valley, just SE of Piute Butte, 17.5 airline miles east-southeast of downtown Lancaster. 762 Comment
  CAS-BOT-BC105740  Corethrogyne filaginifolia David B. Weissman 1974-8-19 s.n. Los Angeles Pt. Dume - coastal bluff sand dune area. Comment
  POM356115  Corethrogyne filaginifolia F. R. Fosberg 1930-6-30 3065 Los Angeles Del Rey. 2 Comment
  CAS-BOT-BC209727  Cornus glabrata Geo. C. Roeding 1922-2-18 s.n. Los Angeles San Clemente Island: Terrace on W side of Chenetti Canyon and just N of Snail Canyon, 4300 FT SSE of Rest triangulation point (1336-ft) and 3540 ft NNW of Slope tri. pt. (781-ft); USGS San Clemente Island South 7.5' Quad 271 Comment
  CLARK-A1528-2616  Cornus occidentalis John C. Roos 1947-5-31 3666 Los Angeles San Gabriel Mountains Comment
  UCR182483  Cornus sericea var. sericea R. G. Swinney 1997-7-22 5692 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA0076097  Cotoneaster pannosus R. G. Swinney 2008-5-30 8907 Los Angeles San Gabriel Mtns.: San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road. 268 Comment
  UCR213578  Cotula coronopifolia A. C. Sanders, Dan S. Cooper 2010-4-30 38163 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA747362  Crassula connata R. G. Swinney 2008-3-26 8563 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  SBBG133430  Crassula connata J. Lambert, S. McDonough 2005-4-6 SERG 47 -05 Los Angeles near Swat 2 23 Comment
  UCR186059  Crassula connata T. B. Salvato, M. A. Hasskamp 2006-4-24 1351 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  CAS-BOT-BC291513  Crepis intermedia Mrs. G. Earle Kelly 1924-6-1 s.n. Los Angeles Eagle Rock Comment
  CAS-BOT-BC175827  Crossosoma californicum Tim Ross; Janet Takara 1993-4-23 6937 b Los Angeles Santa Catalina Island: SW part of the island in Cape Canyon; just above bed of canyon near roadisde 256 Comment
  SBBG13600  Crossosoma californicum P. H. Raven 1962-5-22 17842 Los Angeles Middle Ranch 213 Comment
  UC454975  Crossosoma californicum I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  SBBG108427  Croton setiger T. Ross 1995-5-21 8601 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  UCR274358  Crypsis schoenoides Steven A. Junak 1999-9-11 SCa- 1098 Los Angeles California Islands, Santa Catalina Island. West side of upper Buffalo Springs reservoir 433 Comment
  SBBG122019  Crypsis vaginiflora A. Parikh, N. Gale 2003-6-13 758 Los Angeles S end of Cruzan Mesa, 2.25 km W of Sierra Hwy, 1.7 km SW of Vasquez Cyn Rd; SE Liebre Mtns 645 Comment
  UCR220267  Cryptantha barbigera R. G. Swinney 2009-4-24 10498 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA571538  Cryptantha barbigera Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8303 Los Angeles side draw on northeastern side of Mt. Emma, Santiago Canyon drainage 1159 Comment
  POM368350  Cryptantha circumscissa Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  UCR271051  Cryptantha circumscissa R. G. Swinney 2011-6-6 15010 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  POM368217  Cryptantha corollata Robert Gustafson 1978-5-2 927 Los Angeles Off the dirt road running through the southern part of Hungry Valley, northeast of the Lane Ranch, near the base of Freeman Canyon, about 4 miles south of Gorman 1006 Comment
  SBBG43886  Cryptantha intermedia M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC78696  Cryptantha intermedia T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  RSA533890  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5164 Los Angeles San Clemente Island; 950 ft WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  RSA187830  Cryptantha maritima R. F. Thorne 1966-4-5 35855 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  POM6667  Cryptantha micrantha L. T. Street, G. Williams 1919-5-10 2717 Los Angeles Near Bassett 90 Comment
  UC1516007  Cryptantha micrantha Baki Kasapligil 1960-4-11 3228 Los Angeles Little Rock Canyon, near the dam Little Rock Canyon 1127 Comment
  UCR93301  Cryptantha micrantha var. micrantha T. S. Ross, J. M. Porter 1994-5-1 7577 Los Angeles SW Mojave Desert, Open desert, c. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  RSA596001  Cryptantha microstachys L. C. Wheeler 1967-5-2 9254 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 396 Comment
  SBBG63696  Cryptantha microstachys E. Crow 1930-6-29 Los Angeles above Camp Coldbrook Comment
  RSA802427  Cryptantha muricata Orlando Mistretta, Cher Batchelor 2011-7-27 5995 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  UC440481  Cryptantha muricata Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topanga Canyon Santa Monica Mountains Comment
  UCR114179  Cryptantha muricata A. C. Sanders, D. Malueg 1998-6-24 22087 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  UCR11520  Cryptantha muricata Harlan Lewis 1940-2-4 1066 Los Angeles Western Transverse Range; Santa Monica Mtns., near Saddle Peak 610 Comment
  UCR270019  Cryptantha muricata R. G. Swinney 2010-4-13 12185 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR61100  Cryptantha muricata Steve Boyd, T. S. Ross 1988-4-28 2245 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA756790  Cryptantha muricata Orlando Mistretta, Christine Mistretta 2008-4-28 2532 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1127 Comment
  RSA0079135  Cryptantha muricata var. denticulata Orlando Mistretta, Christine Mistretta 2010-5-20 5163 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UCR270162  Cryptantha muricata var. denticulata R. G. Swinney 2011-7-21 15527 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR280865  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-19 16561 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA0079564  Cryptantha muricata var. jonesii Steve Boyd, Lauren Raz 1997-5-6 9717 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCR73384  Cryptantha muricata var. muricata T. S. Ross 1991-8-14 5762 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  RSA0079627  Cryptantha muricata var. muricata K. Steddom 1994-5-22 29 Los Angeles USFS trail. 1500 Comment
  RSA0040380  Cryptantha nevadensis var. rigida R. G. Swinney 2010-5-11 12659 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA659934  Cryptantha nevadensis var. rigida Orlando Mistretta 1992-5-18 330 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR153355  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles Transverse Ranges/San Gabriel Mtns region, E side of Punchbowl Canyon 1585 Comment
  UCR184200  Cryptantha oxygona A. C. Sanders 2007-4-19 33450 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR259062  Cryptantha oxygona R. G. Swinney 2010-5-19 12813 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCD120011  Cryptantha pterocarya Geoffrey Levin 1975-5-17 515 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  RSA0079022  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-12 10719 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA0079116  Cryptantha pterocarya var. pterocarya Steve Boyd, Orlando Mistretta 1986-3-31 1520 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA0113908  Cryptantha pterocarya var. pterocarya LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7551 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCR65553  Cryptantha traskiae Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801 3 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  RSA394300  Cucurbita foetidissima George B. Grant 1904-07 243 Los Angeles Sandy flats or plains, Pasadena Comment
  RSA600210  Cucurbita foetidissima Steve Boyd, Lauren Raz 1997-5-28 9896 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  HSC84219  Cuscuta californica A. C. Sanders 1987-6-10 7121 Los Angeles El Segundo Dunes at W end of L.A. International Airport 30 Comment
  JEPS47108  Cuscuta californica Frank W. Peirson 1918-6-28 150 a Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 Comment
  UCR205887  Cuscuta californica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37089 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCD169995  Cuscuta californica var. californica Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains. Ridge at head of South Fork Alder Gulch. 2133 Comment
  RSA576956  Cuscuta campestris L. C. Wheeler 1938-8-28 1293 Los Angeles 1 mile SW La Verne 274 Comment
  RSA365126  Cyperus involucratus L. C. Wheeler 1933-10-7 2170 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  SEINET7582152 Image available Cyperus involucratus Louis C. Wheeler 1946-11-10 6442 a Los Angeles Rosemead, Rio Hondo at Garvey Avenue. Comment
  UCR125166  Datisca glomerata A. C. Sanders, Mark Elvin 2002-6-25 25283 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR219895  Datisca glomerata R. G. Swinney, Jane Strong 2009-4-21 10425 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA215031  Datisca glomerata Christopher Davidson 1969-6-30 s.n. Los Angeles Topanga Canyon, just past jct. in Topanga Village, in sand along Carapito Cr. Assoc. 192 Comment
  UC520363  Datura stramonium Louis C. Wheeler 1932-10-29 1438 Los Angeles Atlantic Ave. ca 8 mi n Long Beach; n <of> Long Beach 45 Comment
  RSA725418  Datura wrightii K. Dobry 1991-5-13 513 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SD234268  Daucus pusillus A. C. Sanders, M. A. Elvin, et al. 2003-5-1 26282 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 395 Comment
  CAS-BOT-BC130908  Deinandra clementina Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4272 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side Comment
  CAS-BOT-BC130919  Deinandra clementina E. R. Blakley 1962-6-9 5189 Los Angeles San Clemente Island, China Point 6 Comment
  SDSU4564  Deinandra clementina R. M. Beauchamp 1967-3-19 309 Los Angeles West of Wilson Cove area; San Clemente Island. Comment
  CATA125  Deinandra fasciculata Peter Henrikson 1987-5-18 95 Los Angeles Santa Catalina Island: Above road near Howland's Landing, north exposure 30 Comment
  CATA29  Deinandra fasciculata USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 12 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  RSA394511  Delphinium cardinale H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  RSA683181  Delphinium cardinale LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1102 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UC535386  Delphinium cardinale Ira W. Clokey, B. Templeton June 1929 4580 Los Angeles hill side Santa Monica Mountains, Mandeville Canyon 300 Comment
  UCR238659  Delphinium cardinale Anuja Parikh, Nathan Gale 2010-6-30 3380 Los Angeles Transverse Range; San Gabriel Mountains, lower Van Tassel Canyon, 0.7 km NW of Fish Canyon Road, opposite horse corrals 260 Comment
  JEPS60620  Delphinium parishii subsp. parishii Frank W. Peirson 1919-5-10 419 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  POM147680  Delphinium parryi Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA393739A  Delphinium parryi Howard Mullins 1931-4-1 s.n. Los Angeles Foothill Blvd. Comment
  RSA398707  Delphinium parryi G. I. Moiley 1919-5-6 593 Los Angeles Catalina Island. Comment
  LA97390  Dendromecon rigida Frank Almeda; Kei Nakai 1976-4-5 TCSP 7 7 76 Los Angeles Santa Monica Mountains, Santa Ynez Canyon 213 Comment
  SBBG2466  Descurainia pinnata H. and M. Dearing 1930-4-15 Los Angeles rd from Cajon Pass to Palmdale Comment
  RSA599498  Descurainia pinnata subsp. glabra Steve Boyd, Lauren Raz 1997-3-25 9323 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA369571  Descurainia sophia Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  UCR275028  Descurainia sophia Michael Honer, Rachel Woodard 2006-4-18 2197 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  CLARK-A1528-2309  Descurainia sophia Alfred R. Roos 1954-5-4 Los Angeles Encino Comment
  RSA433542  Dicentra chrysantha L. E. Hoffman 1931-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA720429  Dicentra ochroleuca H. C. Ackley 1927-05 1953 Los Angeles Mulholland Drive, Los Angeles. Comment
  UC855129  Dicentra ochroleuca I. W. Clokey and B. C. Templeton 1930-4-2 4615 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  CAS-BOT-BC209179  Dichanthelium acuminatum subsp. acuminatum Robert F. Thorne; M. Z. Thorne 1967-7-19 37129 Los Angeles Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River, San Gabriel Mts., Angeles National Forest 1249 Comment
  LA26157  Dichelostemma capitatum subsp. capitatum Judith Webb; 1955-4-2 sn Los Angeles 243 Comment
  SD234442  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26117 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  RSA151219  Dichelostemma capitatum subsp. capitatum Peter H. Raven 1962-4-9 17142 Los Angeles San Clemente Island. Wilson Cove. 61 Comment
  POM365105  Digitaria ischaemum George B. Grant 1906-8-9 [ 7158 ] Los Angeles Pasadena. Comment
  RSA585123  Digitaria sanguinalis L. C. Wheeler 1933-11-19 2271 Los Angeles San Gabriel Canyon. 335 Comment
  SBBG98600  Diplacus johnstonii T. Ross, S. Boyd 1990-6-6 2879 Los Angeles Piru Ponds, SW end of pond 644 Comment
  SD255811  Diplacus longiflorus R. G. Swinney 2011-3-18 14133 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  CAS-BOT-BC150572  Diplacus parviflorus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4421 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  LA200777  Dodecatheon clevelandii Jonathan Sauer; John O'Leary 1975-4-11 5643 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon - Topanga Canyon, ridge between Tuna Canyon and Topanga Canyon. Comment
  UCR31795  Dodecatheon redolens T. P. Krantz 1980-7-4 s.n. Los Angeles San Gabriel Mtns, Lily Springs Comment
  RSA133841  Drymocallis glandulosa var. glandulosa H. J. Thompson 1959-5-31 2054 Los Angeles East of junction of Latigo Canyon Road with Mulholland Highway. 518 Comment
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  UCR127242  Dryopteris arguta Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2926 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UC1543913  Dudleya Peter H. Raven 1960-5-15 15351 Los Angeles just w mouth of Big Sycamore Canyon (slopes above large dune); Santa Monica Mtns; (Lat. N. 34 degrees; Long. 118 to 119 degrees W.) 22 Comment
  UC2060000  Dudleya cymosa K. Nakai 1981-6-24 775 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  UCR190049  Dudleya cymosa R. G. Swinney 1998-10-3 7007 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  CAS-BOT-BC428125  Dudleya cymosa subsp. cymosa Peter H. Raven; Robert F. Thorne 1964-5-7 19025 Los Angeles At summit of Saddle Rock, Santa Monica Mountains. Comment
  RSA83395  Dudleya densiflora F. W. Peirson 1919-7-1 517 Los Angeles Fish Canyon 274 Comment
  POM1576  Dudleya lanceolata W. L. Crawford 1915-7-4 509 Los Angeles San Dimas Canyon- Claremont. Comment
  UC52268  Dudleya lanceolata Ernest Braunton May 1903 882 Los Angeles Los Angeles Comment
  RSA786893  Dudleya lanceolata Doris Bowers 1957-5-5 740 Los Angeles Road just N/o Puddingstone, La Verne 320 Comment
  RSA592879  Dudleya pulverulenta L. C. Wheeler 1967-4-30 9220 Los Angeles San Gabriel Mountains. Limekiln Canyon. 670 Comment
  CAS-BOT-BC109736  Dudleya virens subsp. hassei Reid Moran 1941-5-27 873 Los Angeles Lovers' Cove, near Avalon, Catalina Island. Comment
  RSA0110600  Dysphania botrys Richard G. Swinney 2010-9-30 13914 Los Angeles 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  UCD60789  Echinochloa colona Louis C. Wheeler 1970-10-15 s. n. Los Angeles Los Angeles: Huntington Drive and Collins Avenue. Comment
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Oct 17 2014
  CAS-BOT-BC197139  Echinochloa crus-galli 12 Sept. 527 Los Angeles Los Angeles Comment
  RSA714061  Ehrharta erecta G. Ocampo 2006-3-19 1668 Los Angeles Foothill Ave. esquina con Darthmouth, en frente del Colegio Harvey Mudd; lado S de avenida. Claremont. Comment
  UCR141154  Ehrharta erecta June Latting 1959-9-18 s.n. Los Angeles South Coast, Agricultural Experiment Station, University of California, Los Angeles 137 Comment
  POM84415  Elatine californica H. E. Hasse 1889-08 s.n. Los Angeles near Santa Monica Comment
  UCR205135  Eleocharis macrostachya R. G. Swinney 2008-4-30 8697 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR214610  Eleocharis macrostachya A. C. Sanders, Dan S. Cooper 2010-3-12 37350 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR209138  Eleocharis montevidensis R. G. Swinney 2008-6-25 9104 Los Angeles San Gabriel Mountains, Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
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May 10 2012
  CAS-BOT-BC113041  Eleocharis montevidensis I. Johnston 1917-5-30 1132 Los Angeles Chino Creek south of Ontario 152 Comment
  RSA251445  Eleocharis palustris Robert F. Thorne 1966-4-17 36084 Los Angeles San Clemente Island, small reservoir between Boulder & Horton, NE side of island. 488 Comment
  CAS-BOT-BC113286  Eleocharis parishii Robert F. Thorne; J. Dourley 1967-10-10 37338 Los Angeles San Gabriel Mts, Angels Natl Forest: Jackson Lake, NW end of lake on low, dry bank. 1866 Comment
  PASA615  Eleocharis parishii Frank W. Peirson 1930-5-31 Los Angeles Lovejoy Buttes, Mohave Desert Comment
  RSA365459  Eleocharis parishii Crawford 1936-4-17 s.n. Los Angeles Los Angeles-Ventura counties. Santa Susana Pass. Comment
  RSA608831  Eleocharis radicans L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  RSA729584  Eleocharis rostellata R. G. Swinney 1999-7-5 7496 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
  POM365295  Eleusine indica Col Bramlon 1907-9-1 s.n. Los Angeles Boyle Heights [a district in city of Los Angeles], 34 deg 02'N, 118 deg 12'15W Comment
  SD72776  Elymus condensatus F. R. Fosberg 1931-5-14 S 4875 Los Angeles Middle Ranch Canyon, Santa Catalina Island, small ravine, canyon floor 199 Comment
  UCR126652  Elymus condensatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26118 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA773621  Elymus elymoides R. G. Swinney 2009-6-24 11234 Los Angeles summit of Granite Mountain 1988 Comment
  UCR181266  Elymus elymoides R. G. Swinney 1997-6-13 5579 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  CDA31722  Elymus elymoides subsp. elymoides Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 mile northeast Vincent Comment
  UC817412  Elymus glaucus F. R. Fosberg 1931-4-14 S- 4610 Los Angeles Eagles Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  SEINET10554278  Elymus glaucus Adolph D. E. Elmer Elmer 3750 Los Angeles Acton. Comment
  RSA608837  Elymus glaucus subsp. jepsonii L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  SBBG56898  Elymus stebbinsii M. N. Ackley 1929-5-26 Los Angeles San Dimas Cyn 457 Comment
  RSA0022993  Elymus trachycaulus Duncan S. Bell, Caitlin Elam 2013-8-1 5565 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  SEINET5644504  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1966-8-21 8844 Los Angeles San Gabriel Mountains: northwest Mount Burnham.; 0 Comment
  CATA1205  Elymus triticoides Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-7 2261 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  UCR220157  Emmenanthe penduliflora R. G. Swinney 2009-4-2 10261 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  RSA549601  Emmenanthe penduliflora Tim S. Ross 1992-4-4 6065 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  UCR149903  Encelia actoni R. G. Swinney 1999-6-18 7320 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  CAS-BOT-BC131204  Encelia californica John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC131224  Encelia californica S. Y. Parnay s.n. Los Angeles Griffith Park Comment
  UCR129429  Encelia californica A. C. Sanders, Mark Elvin 2002-6-20 25206 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA0049936  Ephedra nevadensis R. G. Swinney 2010-5-12 12743 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0069647  Ephedra nevadensis R. G. Swinney 2010-5-19 12836 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  CAS-BOT-BC81970  Ephedra viridis W. R. Dudley; F. H. Lamb 1896-6-19 4609 Los Angeles from Fairmount to Cuddy's, Cuddy Canyon Comment
  CAS-BOT-BC81972  Ephedra viridis Ira L. Wiggins 1966-4-24 20655 Los Angeles just east of J.F.L. Motel, eastern skirts of Pearblossom Comment
  OBI35914  Epilobium canum J. & B. Semple, B. Semple 1981-8-14 5595 Los Angeles CA-2 N of La Canada Flintridge boudnary of Natl Forest (San Gabriel Mts) Comment
  RSA127420  Epilobium canum subsp. canum Peter H. Raven 1959-10-25 14696 Los Angeles Arroyo Sequit 1.6 miles north of Coast Hwy. 137 Comment
  SD84748  Epilobium canum subsp. canum M. B. Dunkle 1939-11-24 7340 Los Angeles Canyon head, Mosquito summit, San Clemente Island. Comment
  UC575721  Epilobium canum subsp. canum Lewis S. Rose 1934-12-27 34520 Los Angeles San Gabriel Canyon Comment
  UCR11956  Epilobium canum subsp. canum H. J. Thompson 1959-9-28 1806 Los Angeles Western Transverse Range; Santa Monica Mtns., along Mulholland Hwy, 0.25 mi. west of Beverly Glen Blvd. 396 Comment
  JEPS8607  Epilobium canum subsp. latifolium Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4194 Los Angeles along creek 2 mi s (above) Sycamore Camp Ground; San Gabriel Mountains, South Fork Little Rock Creek 1280 Comment
  RSA72098  Epilobium canum subsp. latifolium F. W. Peirson 1923-9-1 4027 Los Angeles San Gabriel Mts. Saw Mill Canyon at west end of Swartout Valley. 2012 Comment
  UC284767  Epilobium canum subsp. latifolium P. A. Munz 1923-8-31 7690 Los Angeles ridge s Swartout Valley; San Antonio Mts. 2499 Comment
  UCR223130  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR133621  Epipactis gigantea I. W. Clokey 1935-4-29 6560 Los Angeles San Gabriel Mtns., San Gabriel Canyon Comment
  SEINET187426 Image available Equisetum arvense F. R. Fosberg 1931-4-15 89 Los Angeles Eagle's Nest Middle Ranch Canyon Santa Catalina sland 180 Comment
  RSA670418  Equisetum laevigatum B. C. Templeton 1932-7-20 5011 Los Angeles Big Pines Park 2092 Comment
  UCR247272  Eragrostis Dan S. Cooper 2013-8-8 813- 43 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  UCR143294  Eragrostis orcuttiana L. C. Wheeler 1931-9-1 47 Los Angeles Transverse Ranges; San Gabriel Mountains region, Citrus grove 2 miles north of Claremont 412 Comment
  UCR119741  Eremalche exilis B. G. Pitzer 1998-5-12 3676 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  SBBG63728  Eremocarya micrantha R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  RSA0107976  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. 1799 Comment
  RSA0107786  Eriastrum densifolium subsp. austromontanum Orlando Mistretta 1994-6-8 1338 Los Angeles Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1158 Comment
  JEPS117040  Eriastrum sapphirinum David Gowen 2008-5-2 891 Los Angeles Near Llano on Hwy 138. 1028 Comment
  LA52311  Eriastrum sapphirinum W. O. Griesel; 1936-5-17 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  JEPS116831  Eriastrum sapphirinum David Gowen 2007-5-10 713 Los Angeles Sandy wash area opposite housing development on Sand Canyon Rd., several miles east of Sierra Hwy and Mint Canyon, and northwest of Hwy 14. Comment
  CAS-BOT-BC514996  Eriastrum sapphirinum subsp. dasyanthum Louis C. Wheeler 1933-6-24 1881 Los Angeles Verdugo Creek, Verdugo Hills 533 Comment
  UCR177465  Ericameria cooperi LeRoy Gross 2005-5-3 2230 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  POM359336  Ericameria cuneata var. cuneata Anstruther Davidson 1915-8-11 3090 Los Angeles Ice Canyon, Camp Baldy Comment
  SFV18292  Ericameria nauseosa var. hololeuca J. N. Hogue 2001-7-27 164 .1 Los Angeles San Gabriel Mountains Camp Cumorah Crest, 3 km northeast of Newcomb Ranch. 1860 Comment
  CAS-BOT-BC298043  Ericameria nauseosa var. mohavensis H. E. McMinn 1924-8-4 1250 Los Angeles Huntington Drive near Pasadena Comment
  UCR129503  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin 2002-6-19 25194 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  CAS-BOT-BC131659  Ericameria parishii var. parishii C. B. Wolf 1931-8-5 2299 Los Angeles Just below the Padua Hills Theatre, above Claremont, San Gabriel Mts. 457 Comment
  RSA295262  Ericameria parishii var. parishii Kenneth R. Montgomery, Thomas W. Strid 1973-8-22 73 -171 Los Angeles Collected on north facing slope at Dillon Divide, site of LASCA Cistus field plot Comment
  UC75934  Ericameria parishii var. parishii Geo. B. Grant 1901-7-1 177 Los Angeles Sturtevant Camp trail Sturtevant Camp 1219 Comment
  CAS-BOT-BC293152  Ericameria pinifolia H. E. McMinn 1924-8-4 1245 Los Angeles Huntington Drive near Pasadena Comment
  OBI16775  Ericameria teretifolia Robert F. Hoover 1966-10-16 10193 Los Angeles 3 mi S of Palmdale Comment
  POM357453  Erigeron breweri var. jacinteus Anstruther Davidson 1916-07 s.n. Los Angeles Mount San Antonio Comment
  SFV3842  Erigeron canadensis K. A. Wilson 1963-10-24 1306 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  CAS-BOT-BC296181  Erigeron foliosus var. foliosus George L. Moxley 1920-8-28 827 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  POM4756  Erigeron philadelphicus I. M. Johnston 1917-5-13 1020 Los Angeles El Monte. 84 Comment
  POM7071  Erigeron philadelphicus L. T. Street, G. Williams 1919-5-10 2763 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA0094359  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SFV22114  Eriodictyon crassifolium var. nigrescens J. M. Keefe 2001-1-19 30972 Los Angeles San Fernando Valley Big Tujunga Wash, 200 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 385 Comment
  CAS-BOT-BC188088  Eriodictyon traskiae Huron H. Smith 1912-6-12 5098 Los Angeles S end mountains, Santa Catalina Island 365 Comment
  JEPS22768  Eriodictyon trichocalyx Rimo Bacigalupi with Reino Alava 1958-7-20 6428 Los Angeles along Angeles Crest Highway (State Highway 2) along northwestern shoulder Mt. Islip (watershed of South Fork of Big Rock Creek, San Gabriel Mts.); Angeles National For, San Gabriel Mts., S Fk Big Rock Creek 2164 Comment
  SBBG6092  Eriodictyon trichocalyx H. and M. Dearing 1941-5-11 4648 Los Angeles near Big Rock Crk Comment
  SD44544  Eriodictyon trichocalyx Kay H. Beach 1943-6-14 1747 Los Angeles San Gabriel Mountains. 1554 Comment
  UCR223746  Eriogonum R. G. Swinney 2009-6-17 11167 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR180580  Eriogonum angulosum Scott D. White, Pam Devries 2006-5-10 11452 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  CAS-BOT-BC244063  Eriogonum brachyanthum Oliver 1916-1-1 s.n. Los Angeles Antelope Valley Comment
  CAS-BOT-BC241898  Eriogonum cinereum Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  POM187512  Eriogonum cinereum C. M. Dammers 1933-10-27 s.n. Los Angeles Point Firman. Comment
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May 27 2013
  RSA393158  Eriogonum cinereum Bonnie C. Templeton 1931-11-16 s.n. Los Angeles Malibu Creek. Comment
  SD212686  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2005-7-5 2123 Los Angeles Santa Susana Mountains: Newhall Ranch, slopes South of upper Potrero Canyon, South of Santa Clara River circa 2 miles East of the Ventura County line, study area 19 366 Comment
  RSA393165  Eriogonum cithariforme var. agninum H. E. Hasse, Anstruther Davidson 1906-06 s.n. Los Angeles Big Rock Creek. Comment
  UCR239019  Eriogonum davidsonii Anuja Parikh, Nathan Gale 2010-6-15 3290 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.2 km east northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1305 Comment
  UCR248983  Eriogonum davidsonii Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 401 Los Angeles San Gabriel Mountains, Road 7N23, Liebre Mountains 1484 Comment
  RSA766336  Eriogonum davidsonii Joseph A. Ewan 1934-8-3 8398 Los Angeles Swartout Valley, near county line. San Gabriel Mts. 1982 Comment
  RSA393488  Eriogonum elongatum var. elongatum L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest, San Gabriel Mountains. Comment
  RSA0039731  Eriogonum fasciculatum Roxanne Smith 1991-5-7 17 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/8 mi. north of intersection Clear Crk. Cyn. Drive and Steep Cyn. Road. Comment
  RSA772518  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-5-20 10808 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  UC450776  Eriogonum fasciculatum var. foliolosum F. A. MacF. 1951-4-10 2918 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  CAS-BOT-BC250113  Eriogonum fasciculatum var. polifolium Le Roy Abrams; E. A. McGregor 1908-6-19 324 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UCR147775  Eriogonum fasciculatum var. polifolium Valerie Soza, Et al. 2000-6-29 1045 Los Angeles Liebre Mountains, Jct. of Old Ridge Rte. (FSR 8N04) and road to summit of Liebre Mountain (FSR 7N23) 1189 Comment
  LA211279  Eriogonum giganteum var. giganteum Arthur C. Gibson; 2003-8-4 4884 Los Angeles SANTA MONICA MOUNTAINS, Malibu Beach State Park, along nature trail. Comment
  CAS-BOT-BC253447  Eriogonum gracile Le Roy Abrams 1902-7-5 2721 Los Angeles San Gabriel Wash near Azusa Comment
  RSA393226  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-21 2330 Los Angeles W side mouth of 'Big' Santa Anita Canyon. 335 Comment
  UC184271  Eriogonum gracillimum A. D. E. Elmer June, 1902 3655 Los Angeles Lancaster Comment
  UCR270496  Eriogonum hirtiflorum R. G. Swinney 2011-6-15 15164 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA226041  Eriogonum mohavense Robert F. Thorne, C. W. Tilforth 1971-6-29 40677 Los Angeles Soledad Canyon: N slope San Gabriel Mountains, ca 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. Angeles National Forest. 884 Comment
  RSA393690  Eriogonum mohavense Anstruther Davidson 1928-7-7 s.n. Los Angeles Acton. Comment
  UCR270252  Eriogonum molestum R. G. Swinney 2011-10-10 15735 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  CAS-BOT-BC269770  Eriogonum nudum var. pauciflorum G. J. Goodman; C. L. Hitchcock 1930-7-28 1719 Los Angeles S. slope of Mt. San Antonio 2438 Comment
  SEINET7064405  Eriogonum nudum var. pubiflorum J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 78 Los Angeles Along the Angeles Crest Highway (Route 2). San Gabriel Mountains. (NAD83/WGS84) UTM Zone 11, 431808mE, 3804195mN. 2048 Comment
  RSA611665  Eriogonum plumatella Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10096 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  POM19000  Eriogonum pusillum P. A. Munz 1923-8-31 7676 Los Angeles Ridge south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  RSA593427  Eriogonum roseum Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8886 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  SDSU6730  Eriogonum roseum D. F. Howe 1978-8-3 4910 Los Angeles Intersection of Kanan Road & Mulholland Hwy, Santa Monica Mtns. 549 Comment
  POM263030  Eriogonum saxatile J. C. Roos 1937-7-16 373 Los Angeles Mt. San Antonio [Los Angeles - San Bernardino counties]. 2744 Comment
  RSA271930  Eriogonum saxatile Anstruther Davidson 1892-06 s.n. Los Angeles Wilson's Peak. Comment
  RSA197071  Eriogonum saxatile Noel Holmgren, James L. Reveal 1966-5-30 2613 Los Angeles San Gabriel Mountains: Tujunga Creek Canyon. 1037 Comment
  RSA424906A  Eriogonum saxatile Geo. L. Moxley 1915-7-23 429 Los Angeles San Gabriel Mountains: near summit of Strawberry Peak. Comment
  UCD101347  Eriogonum umbellatum June Latting 1978-9-17 s.n. Los Angeles San Gabriel Mountains, roadside between Grassy Hollow Campground and Vincent Gap on the Angeles Crest Hwy, Angeles National Forest. 2317 Comment
  UC635032  Eriogonum umbellatum var. munzii Frank W. Peirson 1922-7-5 4684 Los Angeles peak n Big Pines Camp; San Gabriel Mts. Comment
  UCR232372  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8021 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, near Amargosa Creek, 25 m west of Sierra Highway and 745 m north of Avenue F 702 Comment
  UC421686  Eriogonum wrightii var. trachygonum John Thomas Howell 1927-11-13 3199 Los Angeles near Elizabeth Lake; Liebre Mts. Comment
  CAS-BOT-BC297943  Eriophyllum confertiflorum L. R. Abrams; I. L. Wiggins 1931-7-6 341 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC297958  Eriophyllum confertiflorum Carl B. Wolf 1932-5-9 3437 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach 7 Comment
  POM49802  Eriophyllum confertiflorum L. W. Nuttall 1920-6-2 s.n. Los Angeles Sea cliffs, Santa Catalina Island. Comment
  RSA301992  Eriophyllum confertiflorum Jim Shevock 1970-4-21 139 Los Angeles Topanga Canyon, Santa Monica Mts. 412 Comment
  RSA612655  Eriophyllum confertiflorum Anna Christensen 1997-3-16 20 Los Angeles Claremont, Bernard Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 30 yards from E. fence, 50 yards into N panhandle region. 412 Comment
  UCR200111  Eriophyllum confertiflorum Lucila Reccia, Naomi Fraga 2007-6-27 01 Los Angeles San Gabriel Mountains, Fireroad to Mount Waterman, southeast of the Ski Hut Area 2348 Comment
  CAS-BOT-BC474752  Eriophyllum confertiflorum Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel MOuntains: Mill Canyon Comment
  LA203577  Eriophyllum confertiflorum var. confertiflorum A. H. Lange; 1951-5-5 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  LA91070  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; March 1970 TAG- 32870 -ECMD Los Angeles 371 Comment
  SBBG61042  Eriophyllum confertiflorum var. confertiflorum M. N. Ackley 1927-5-8 251 Los Angeles Mint Cyn 609 Comment
  UCR205848  Eriophyllum wallacei R. G. Swinney 2008-5-8 8818 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA70491  Erodium cicutarium F. W. Peirson 1919-2-28 2022 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  UCR182263  Erodium cicutarium R. G. Swinney, Dave Larson 1998-4-26 6032 Los Angeles San Gabriel Mtns., head of Dry Lake Canyon at 'Dry Lake', south of Sunset Peak 1521 Comment
  UCR259948  Erodium cicutarium R. G. Swinney 2010-4-28 12437 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA595337  Erodium moschatum Louis C. Wheeler 1967-4-30 9206 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch 366 Comment
  SD144455  Erodium moschatum B. Pitzer 1996-4-28 2734 Los Angeles City of Long Beach, Cherry Beach, at W terminus of Junipero Ave, just across street from Bixby Park Comment
  SDSU2403  Erysimum capitatum A. H. Gallup 1949-3-16 332 Los Angeles The Wash , Claremont. 366 Comment
  RSA649643  Erysimum capitatum var. capitatum Michael Horn 1991-5-3 19 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek, Calif., T4N R8W 15SWSWSW. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  CAS-BOT-BC55203  Erysimum suffrutescens Geo. B. Grant 1901-6-1 175 Los Angeles Redondo. Comment
  UC56905  Erysimum suffrutescens Ernest Braunton 1902-5-25 299 Los Angeles Hermosa Comment
  UCR41718  Erysimum suffrutescens G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SD52838  Erythranthe guttata Peter H. Raven 1962-4-12 17327 Los Angeles intermittent stream, San Clemente Island, canyon south of canyon below the Tomb, west side of island 182 Comment
  UC1126444  Eschscholzia caespitosa Jerome S. Horton 1939-5-4 539 Los Angeles Fern Canyon Cucamonga Quadrangle, Climactic Sta. Comment
  CAS-BOT-BC403155  Eschscholzia californica John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC403163  Eschscholzia californica unspecified 1901-4-9 s.n. Los Angeles Avalon, Central Canon [Canyon] near pump, Santa Catalina Id. [Island] Comment
  RSA160859  Eschscholzia californica Percy C. Everett, Nick Lolonis 1962-5-3 24469 Los Angeles W side of Antelope Valley, Hwy 138 and 235 St. W. SW corner. Comment
  SBBG98459  Eschscholzia ramosa T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5068 Los Angeles lower Wilson Cove Cyn, rocky draw SW of and above pier operations 15 Comment
  SD85148  Eschscholzia ramosa E. R. Blakley 1963-12-8 6409 Los Angeles San Clemente Island, between Northwest Harbor and Whale Point. 7 Comment
  SEINET3155596  Eucalyptus rostrata G. B. Grant 421 -A Los Angeles Pasadena Comment
  CDA20780  Eucalyptus sideroxylon M. O'Brien 2006-10-8 s.n. Los Angeles South of Mulholland Hwy.; the road from Stunt Rd. to the water tank, along the Backbone Trail. Comment
  IRVC27968  Eucrypta chrysanthemifolia A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26125 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA0080966  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-28 12404 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCR125492  Eucrypta chrysanthemifolia A. C. Sanders, Mark Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  OBI69243  Eucrypta chrysanthemifolia var. chrysanthemifolia John Knapp, Denise Knapp 2003-4-13 21 Los Angeles Catalina Island; 3687871.928N x 377624.177E 64 Comment
  RSA675865  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross 2003-3-7 767 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  SBBG17377  Eucrypta chrysanthemifolia var. chrysanthemifolia K. A. Wilson 1961-3-1 885 Los Angeles Mulholland Hwy, ca. 2 mi W of Las Virgenes Hwy Comment
  SFV20834  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 702 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  SFV16044  Eulobus californicus A. M. Orcino 1994-5-10 17 Los Angeles Santa Monica Mountains 0.45 miles east on Stunt Road from junction with Mulholland Highway. 335 Comment
  RSA0068434  Euphorbia R. G. Swinney 2010-8-16 13551 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0097175  Euphorbia albomarginata R. G. Swinney 2011-4-20 14468 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR143104  Euphorbia albomarginata Fay A. MacFadden 1931-4-22 2648 Los Angeles Western Transverse Range, San Francisquito Canyon 915 Comment
  UCR187013  Euphorbia albomarginata A. C. Sanders 2006-4-25 32167 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCD170883  Euphorbia helioscopia A. C. Sanders; T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  JEPS51907  Euphorbia palmeri Frank W. Peirson 1922-7-6 3184 Los Angeles Big Pines; San Gabriel Mountains 2072 Comment
  RSA601140  Euphorbia peplus L. C. Wheeler 1946-3-16 6195 Los Angeles San Gabriel Mountains. Cobal Canyon ca. 1/4 mi. upstream from mouth. Comment
  UCSC000451  Euphorbia serpillifolia I. J. Condit 2008-7-27 s.n. Los Angeles near Bodger Seed Farm Bodger Seed Farm - Gardena Comment
  CDA4877  Euphorbia terracina T. C. Fuller 1969-7-15 18679 Los Angeles Botanic Garden, U.C.L.A., Westwood. Comment
  UCR119045  Euphorbia terracina Jeremiah George 2001-7-17 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  SBBG77627  Extriplex californica F. R. Fosberg 1931-4-29 4710 Los Angeles mouth of Cottonwood Cyn 5 Comment
  SDSU12183  Extriplex californica R. M. Beauchamp 1967-1-28 111 Los Angeles San Clemente Island. Comment
  SBBG98508  Festuca bromoides T. Ross 1991-5-21 5389 Los Angeles upper E branch of Box Cyn 472 Comment
  UCR270822  Festuca microstachys R. G. Swinney 2011-6-14 15139 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271755  Festuca myuros R. G. Swinney 2011-3-26 14226 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  SBBG56711  Festuca octoflora R. Hoffmann 1929-4-2 Los Angeles W Mojave Desert Comment
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Jun 11 2015
  UCR86832  Festuca octoflora Scott D. White 1995-4-27 2959 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  CATA782  Festuca perennis Mark L. Hoefs 1991-6-5 1344 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  RSA0053873  Festuca perennis R. G. Swinney 2010-5-11 12626 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  SD124451  Festuca perennis Barry Prigge 1986-3-29 7144 Los Angeles San Gabriel Mountains: South of Canyon Country at Golden Valley X Antelope Valley Freeway (State Highway 14). 456 Comment
  RSA746797  Filago californica R. G. Swinney 2008-3-26 8564 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR150902  Filago gallica Valerie Soza, Kent Hughes 1999-6-17 560 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  RSA780994  Forestiera pubescens R. G. Swinney 2009-5-13 10781 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  UC1583850  Forestiera pubescens Michael Curto 1990-5-4 639 Los Angeles Littlerock Reservoir Angeles National Forest (near Juniper Grove CG, Pacifico Mt. Quad.) 1040 Comment
  CAS-BOT-BC52549  Frangula californica subsp. californica Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles unspecified Comment
  CAS-BOT-BC217360  Frasera neglecta Robert F. Thorne; M. Z. Thorne 1969-7-10 38375 Los Angeles E-facing slope N of Jackson Lake, Angeles National Foerst, San Gabriel Mountains 1859 Comment
  CAS-BOT-BC217357  Frasera neglecta unspecified 1933-7-8 s.n. Los Angeles Unspecified Comment
  UC1123346  Fraxinus dipetala G. T. Nordstrom 1935-3-24 407 Los Angeles 2.25 mi se Mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quad. 701 Comment
  CHSC83014  Fremontodendron californicum Margie Graham 2002-4-30 Los Angeles San Gabriel Mountains, Western Transverse Ranges. Collected from the east side of old Hwy 99. 701 Comment
  SFV4978  Galinsoga parviflora M. H. Grayum 1971-9-25 s. n. Los Angeles Westwood. University of California, Los Angeles campus. Botanical garden near corner of LeConte and Tiverton.. 110 Comment
  RSA579337  Galium andrewsii subsp. intermedium Tim S. Ross, Steve D. Boyd 1994-9-21 8301 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft). (east into adjacent 64th section) 1607 Comment
  RSA609662  Galium angustifolium R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UCR126244  Galium angustifolium A. C. Sanders 2003-3-14 25777 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  SEINET11171320  Galium angustifolium G. B. Grant 488 Los Angeles Pasadena, S. Cal. Comment
  RSA524968  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-6 2821 B Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA552397  Galium angustifolium subsp. angustifolium D. Charlton 1990-5-12 4221 Los Angeles Kentucky Springs, Sierra Highway; northern edge of Angeles National Forest. 1037 Comment
  UC1408950  Galium angustifolium subsp. angustifolium Donald R. Bissing 1973-6-2 103 Los Angeles sw canyon slope 0.3 mi from mouth of canyon; San Gabriel Mountains, Evey Canyon 719 Comment
  RSA756589  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-29 2558 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  RSA653835  Galium aparine Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 774 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 335 Comment
  UC1584911  Galium aparine Tim Ross 1991-4-8 4465 Los Angeles Elephant Hill San Dimas USGS 7.5' quadrangle, western Pomona (n slope) 330 Comment
  RSA659152  Galium aparine Paul Neipp 1994-5-19 35 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  UCD121733  Galium aparine C. W. Tilforth 1969-5-31 195 Los Angeles Small canyon east of Colima Ave., north of Whittier. Comment
  CATA1572  Galium catalinense Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2840 Los Angeles Santa Catalina Island: Bluff southeast of Rippers Cove 6 Comment
  CAS-BOT-BC217475  Galium catalinense Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4263 Los Angeles Lower half of Chna Cyn, S end of island, W side, San Clemente Island Comment
  JEPS56040  Galium johnstonii Lauramay T. Dempster and Clare Hardham 1965-6-20 4156 Los Angeles 3.5 mi nw Big Pines (on road to Valyermo, n side mountains); San Gabriel Mts. 1798 Comment
  RSA0013556  Galium johnstonii Orlando Mistretta, Christine Mistretta 2011-6-30 5784 Los Angeles North Fork Mill Creek; along Forest Road 3N27 1200 Comment
  UCR111735  Galium murale A. C. Sanders, D. Malueg 1998-6-22 22019 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  RSA488011  Galium nuttallii subsp. insulare Mark Hoefs, D. Propst 1973-3-3 18 Los Angeles Santa Catalina Island. Near upper White's Landing Road. 381 Comment
  SBBG128565  Galium nuttallii subsp. insulare M. L. Hoefs, R. Given 1992-4-16 1801 Los Angeles Wild Boar Gully 152 Comment
  RSA596811  Galium porrigens Tim S. Ross, J. Mark Porter 1995-5-4 8484 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA587278  Galium porrigens var. porrigens Tim S. Ross, Steve D. Boyd 1990-5-17 2576 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  SFV22021  Galium porrigens var. porrigens V. Soza, L. Gross, A. Munoz 2000-5-12 892 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. Northeast-facing slope above fire road. 396 Comment
  RSA0005777  Galium siccatum var. anotinum F. W. Peirson 1919-6-7 215 Los Angeles Cow Canyon Divide, San Gabriel Mts. 1372 Comment
  POM367827  Galium trifidum var. pacificum Louis Greata 1900-8-26 s.n. Los Angeles Cienega, L.A. Comment
  POM246630  Galvezia speciosa F. R. Fosberg 1931-7-15 S 5415 Los Angeles Isthmus, Santa Catalina Island. 30 Comment
  RSA424695A  Galvezia speciosa M. B. Dunkle 1929-4-7 2091 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA680066  Galvezia speciosa Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 327 Los Angeles San Clemente Island. Lemon Tank Canyon. N side at/in dump. 30' below canyon ridge. Comment
  RSA607948  Gamochaeta pensylvanica L. C. Wheeler 1936-3-8 4080 Los Angeles Millard Canyon, San Gabriel Mts. 457 Comment
  RSA612290  Gamochaeta pensylvanica L. C. Wheeler 1934-4-24 2553 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA681343  Gamochaeta pensylvanica LeRoy Gross, Valerie Soza 2003-5-15 898 -a Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place., Just east of where we started. 396 Comment
  RSA582970  Gamochaeta ustulata Timothy S. Ross, Janet Takara 1993-4-23 6943 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, 1035m WNW of Black jack Mtn summit 436 Comment
  SBBG112944  Gamochaeta ustulata S. A. Junak 1998-5-16 SCa 699 Los Angeles above Swain's (Swain) Cyn, overlooking Toyon Bay 381 Comment
  SFV20993  Gamochaeta ustulata L. Gross, V. Soza 2003-5-15 894 a Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains north of La Tuna Canyon road. Started at end of Elben Ave., climbed north to ridgetop south of McDonald Creek, then east along ridgeline, then came back down into a small canyon at the end of Elben Place just east of where started. Gentle, east-facing slope near ridgetop on south-facing side of ridge line. 396 Comment
  CAS-BOT-BC158047  Garrya veatchii Marcus E. Jones 1924-4-21 s.n. Los Angeles San Antonio [Canon] Canyon Comment
  SBBG131775  Gastridium phleoides S. A. Junak 1999-5-20 SCa 932 Los Angeles ridge between Cottonwood and Escondido Cyn, on S side of Cottonwood-Blackjack Rd, ca. 0.6 mi up from reservoir 256 Comment
  LA210434  Gastridium ventricosum A. M. Johnson; 1902-2-24 3834 Los Angeles University of California Los Angeles Comment
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Jun 25 2015
  RSA72148  Gayophytum decipiens F. W. Peirson 1919-6-14 796 Los Angeles San Gabriel Mts., Rock Creek. 1707 Comment
  RSA776489  Gayophytum decipiens LeRoy Gross, Jane Tirrell 2011-7-20 5522 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. 2287 Comment
  RSA355379  Gayophytum diffusum subsp. parviflorum Bonnie C. Templeton 1932-6-1 4872 Los Angeles West Blue Ridge, Big Pines Park 2195 Comment
  SBBG61274  Gayophytum diffusum subsp. parviflorum R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCR129377  Gayophytum diffusum subsp. parviflorum Orlando Mistretta 1995-7-11 1879 Los Angeles San Gabriel Mtns, Santiago Canyon. N slope of Pacifico Mtn, near summit 2073 Comment
  UCR271150  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-8 15480 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UC1971421  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1968-6-14 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Spring on north side of Blue Ridge by Guffy camp. Comment
  SEINET13203144 Image available Gayophytum heterozygum R. G. Swinney 2008-1 9050 Los Angeles San Gabirel Mountains: ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5' Q.) 2160 Comment
  UCR191531  Gayophytum oligospermum R. G. Swinney 1998-7-8 6324 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  SBBG67614  Geranium carolinianum M. N. Ackley -Apr-1926 371 Los Angeles Eagle Rock 182 Comment
  RSA621262  Geranium carolinianum Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: West Fork of Morgan Canyon near Fergusson Motorway. 434 Comment
  RSA391328  Geranium molle Laura Shaw 1923-6-20 s.n. Los Angeles [No location information on label.] Comment
  UCR162287  Gilia Anuja Parikh, Nathan Gale 2004-6-2 2030 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  SEINET6969903  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  LA201778  Gilia achilleifolia Arthur C. Gibson; 2001-5-18 4868 Los Angeles Comment
  SBBG64393  Gilia achilleifolia subsp. multicaulis R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  SDSU3050  Gilia achilleifolia subsp. multicaulis A. H. Gallup 1949-4-17 408 Los Angeles Lasca. 152 Comment
  UC303744  Gilia achilleifolia subsp. multicaulis I. Johnston 1917-5-6 1946 Los Angeles Evey Canyon Comment
  UC908835  Gilia aliquanta Herbert L. Mason 1926-4-26 2973 Los Angeles four mi s Vincent; Mint Canyon Highway, Soledad Pass Comment
  UCR60814  Gilia aliquanta subsp. aliquanta Steve Boyd, Orlando Mistretta 1986-3-31 1535 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  LA52322  Gilia angelensis W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC880099  Gilia angelensis C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4764 Los Angeles Bouquet Canyon Comment
  RSA470105  Gilia angelensis Thekla Mohr 1897-03 s.n. Los Angeles San Gabriel, So. Calif. Comment
  UC909017  Gilia angelensis Annetta Carter 1946-4-23 1760 Los Angeles Mount Wilson Trail , Mount Wilson Trail (Sierra Madre) 365 Comment
  RSA763250  Gilia brecciarum Justin M. Wood 2010-5-10 1638 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCR127210  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  POM50153  Gilia capitata subsp. abrotanifolia L. R. Abrams 1901-04 1353 Los Angeles Chatsworth Park. Comment
  UC879817  Gilia capitata subsp. abrotanifolia I. W. Clokey 1929-5-8 4486 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 230 Comment
  RSA470208  Gilia capitata subsp. abrotanifolia Anonymous 1922-05 s.n. Los Angeles Vicinity of Los Angeles. Comment
  UCR263053  Gilia latiflora Mitch Provance 2008-4-14 408- 01 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  UC908889  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-27 3060 Los Angeles 30 mi w Victorville; Mohave Desert, w of Victorville Comment
  CAS-BOT-BC402099  Gilia leptantha subsp. transversa Robert F. Thorne; C. W. Tilforth; J. Dourley; R. Scogin 1972-8-11 42226 Los Angeles San Gabriel Mts., Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station 2133 Comment
  RSA229161  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1971-6-30 40827 -B Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA586622  Gilia malior T. S. Ross 1991-3-23 4282 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  RSA67061  Gilia modocensis Verne Grant, Alva Grant 1951-6-15 16058 Los Angeles Inspiration Point: SW of Big Pines. 2256 Comment
  RSA661018  Gilia nevinii Orlando Mistretta 1992-4-5 158 Los Angeles Guds, San Clemente Island. Comment
  SD139205  Gilia nevinii Jon Rebman 1996-4-26 3098 Los Angeles San Clemente Island; Knob Canyon on southeast side of island 199 Comment
  UCR143324  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arnseth 1992-4-5 128 Los Angeles Channel Islands, San Clemente Island, Guds area on extreme south end 175 Comment
  SBBG58386  Gilia ochroleuca subsp. bizonata R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  UC212501  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-8-24 Los Angeles near head Prairie Fork (San Antonio Mountains, Southern California); San Antonio Mountains, nr Head of Prairie Fork 2346 Comment
  UCR146241  Gilia splendens subsp. grantii Valerie Soza, Monica Acosta 2001-6-13 1281 Los Angeles Transverse Ranges, San Gabriel Mountains region, South Fork Big Rock Creek, c. 1 mi S from South Fork Camground along the South Fork Trail 1616 Comment
  RSA71823  Gilia splendens subsp. splendens F. W. Peirson 1921-7-3 2485 Los Angeles on trail northeast of Rock Creek divide Comment
  LA32024  Glebionis coronaria Henry J. Thompson; 1959-5-24 2001 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.5 mi N of Coast Hwy, Tuna Canyon Rd 243 Comment
  UCR265626  Glechoma hederacea Michael C. Long 2015-5-1 925 Los Angeles San Gabriel Mountains, Upper Arroyo Seco, c. 0.6 mi. southwest of Switzer's Picnic area, at first river crossing south of Switzer's, along east edge of trail 929.64 Comment
  RSA601041  Gnaphalium californicum Steve Boyd, Lauren Raz 1997-6-18 9974 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA746732  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2009-5-19 36826 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  UCR90956  Gnaphalium californicum Scott D. White 1996-4-9 3880 Los Angeles Pacific Coast, Marina del Rey area, Ballona Creek floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd 30 Comment
  SEINET11849338  Gnaphalium californicum Unknown 1945-1 s.n. Los Angeles Eaton's Wash, Pasadena Comment
  RSA714982  Gnaphalium canescens subsp. thermale R. G. Swinney 1997-9-6 5859 Los Angeles San Gabriel Mountains: Jackson Lake area. Ball Flat, 0.8-0.9 mi N of Big Pines Hwy at end of SW spur of Forestry Service Rd 4N16 1875 Comment
  RSA583074  Gnaphalium luteoalbum Timothy S. Ross 1993-4-22 s.n. Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon, near 'DOGLEG' in drainage 230 Comment
  SD231279  Grayia spinosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 72 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  RSA696729  Grayia spinosa Seacord s.n. Los Angeles West Mohave. Comment
  RSA127786  Grindelia camporum var. bracteosa Peter H. Raven, H. J. Thompson 1959-6-4 14344 Los Angeles Point Dume 15 Comment
  RSA430047  Guillenia lasiophylla Christopher Davidson 1973-4-7 1894 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1066 Comment
  RSA732934  Guillenia lasiophylla R. G. Swinney 1998-8-1 6615 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UC1536929  Guillenia lasiophylla Gordon H. True Jr. 1935-3-5 44 Los Angeles 4 mi s Palmdale; Head of Mint Canyon 914 Comment
  UC205318  Guillenia lasiophylla Geo. B. Grant Mar 1903 1288 Los Angeles Garvanza Comment
  JEPS18979  Gutierrezia microcephala Frank W. Peirson 1923-9-1 4016 Los Angeles Sheep Creek San Gabriel Mountains, Sheep Creek 1524 Comment
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Aug 14 2013
  SBBG62663  Gutierrezia microcephala R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  UC1118611  Gutierrezia sarothrae G. T. Nordstrom 1935-1-8 306 Los Angeles 4 mi e of Bear Mtn; Tejon Quadrangle 944 Comment
  RSA616538  Hazardia squarrosa Scott D. White 1995-10-19 3716 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  POM359473  Hazardia squarrosa var. grindelioides Geo L. Moxley 1914-9-3 259 Los Angeles San Rafael Hills, near Pasadena Comment
  UC1075538  Hebe X andersonii Bonnie C. Templeton 1929-10-14 6 Los Angeles Calif Botanic Garden Los Angeles Comment
  LA210087  Helianthemum scoparium J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  RSA696702  Helianthemum scoparium Wilma Griset 1931-4-19 s.n. Los Angeles San Dimas Lookout. Comment
  POM257576  Helianthemum scoparium var. vulgare C. B. Wolf 1932-5-13 s.n. Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus. 365 Comment
  SFV21151  Helianthus annuus J. M. Keefe 2001-1-19 30888 Los Angeles Los Angeles Basin Los Angeles, Highland Park. Backyard of 5623 Raber Street, at intersection of Upperton Avenue. 207 Comment
  CAS-BOT-BC305695  Helianthus gracilentus Alice Eastwood 1919-5-29 8996 Los Angeles San Gabriel Canyon Comment
  SBBG8411  Helianthus gracilentus R. Hoffmann 1928-7-9 Los Angeles Bouquet Cyn Comment
  NY621873  Helianthus nuttallii subsp. parishii L. T. Chamberlain s.n. Los Angeles Comment
  SD39697  Heliotropium curassavicum Edith A. Purer 1931-9-15 2332 Los Angeles El Segundo Comment
  POM246442  Heliotropium curassavicum var. oculatum F. R. Fosberg 1931-4-29 7166 Los Angeles Mouth of Cottonwood Canyon. Santa Catalina Island 2 Comment
  CATA1131  Helminthotheca echioides Mark L. Hoefs 1995-5-23 2118 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  IRVC28994  Hemizonia fasciculata A. C. Sanders, Mark A. Elvin 2003-6-18 26937 Los Angeles along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch Santa Susana Mountains 854 Comment
  RSA616543  Hemizonia fasciculata Scott D. White 1995-10-11 3693 Los Angeles Santa Susana Mtns, S of Santa Susana Pass Rd. 503 Comment
  RSA666512  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  RSA608883  Hemizonia fasciculata L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga. 549 Comment
  UCR36466  Hemizonia kelloggii A. C. Sanders, F. C. Vasek 1984-6-6 5084 Los Angeles Western Mojave Desert, Antelope Valley, in an agricultural area on hwy 138 [at Ave 160 West] north of Fairmont Butte, 1 mi east of Ave. 170 West 793 Comment
  UCR206484  Hemizonia parryi subsp. australis A. C. Sanders, T. B. Salvato 2009-5-21 36905 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  RSA187748  Hesperocnide tenella Robert F. Thorne 1966-4-5 35826 Los Angeles Santa Catalina Island, Cape Canyon. 274 Comment
  SEINET5778844 Image available Hesperoyucca whipplei Ira W. Clokey 1935-7-1 6994 Los Angeles Pasadena Glen Comment
  UCR125256  Heteromeles arbutifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25494 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR281647  Heteromeles arbutifolia R. G. Swinney 2014-5-27 16694 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  SEINET3445225  Heteromeles arbutifolia var. arbutifolia Unknown 1939-7-7 151 Los Angeles Los Angeles, Los Angeles, college campus Comment
  RSA0074507  Heterotheca fastigiata Lyman Benson 1945-10-22 11901 Los Angeles Claremont. 335 Comment
  RSA0074530  Heterotheca fastigiata F. W. Peirson 1920-3-28 5273 Los Angeles Tujunga Canyon, Western San Gabriel Mountains. 427 Comment
  RSA0074533  Heterotheca fastigiata George B. Grant 1906-9-14 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC318878  Heterotheca grandiflora Peter H. Raven 1957-9-21 11324 Los Angeles Northwest end of U.C.L.A. campus, Los Angeles Comment
  RSA0075639  Heterotheca grandiflora Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 677 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  UC32761  Heterotheca grandiflora Dr. Vogt 1897-1-1 71 Los Angeles Antelope Valley Comment
  UC897763  Heterotheca grandiflora L. W. Nuttall 1920-5-11 175 Los Angeles Santa Catalina Island Comment
  RSA0075802  Heterotheca grandiflora Gary D. Wallace 1978-2-12 1582 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA730755  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills 1 mi. SSW of Castaic Junction, west of Magic Mountain amusement park. 335 Comment
  UC68926  Heterotheca sessiliflora subsp. echioides H. M. Hall 1905-7-1 6713 Los Angeles Antelope Valley Fairmount; Mohave Desert 853 Comment
  CAS-BOT-BC310836  Heterotheca sessiliflora subsp. fastigiata Peter H. Raven 1959-11-7 14732 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Hills north of Franklin Canyon Reservoir 274 Comment
  UCR209427  Heuchera R. G. Swinney 2008-9-13 9456 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA0025495  Heuchera caespitosa Duncan S. Bell, Caitlin Elam 2013-8-1 5546 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  UC494222  Heuchera elegans Thomas R. Gaines Los Angeles Mt. Lowe 1584 Comment
  UC444469  Hieracium argutum Fordyce Grinnell Jr. 1904-7-29 Los Angeles Arroyo Seco Canyon Comment
  CAS-BOT-BC55358  Hirschfeldia incana Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass. Los Angeles - Ventura counties. Comment
  UCD115189  Hirschfeldia incana G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  JEPS45050  Holodiscus discolor Frank W. Peirson 1918-7-13 75 Los Angeles Santa Anita Canyon, San Gabriel Mts. 914 Comment
  SBBG31392  Holodiscus discolor R. F. Thorne 1967-5-20 Los Angeles Descanso Cyn, ca. fourth way down from head at Airport Rd to mouth 228 Comment
  RSA630256  Holodiscus microphyllus Scott D. White, David E. Bramlet 1998-8-11 7039 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UCR99424  Holodiscus microphyllus R. G. Swinney 1995-8-28 4472 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  RSA0062917  Hordeum brachyantherum Grethe Moskedahl 1923-04 s.n. Los Angeles Mallard Station. [County not specified, but probably Los Angeles] Comment
  CAS-BOT-BC280877  Hordeum brachyantherum subsp. brachyantherum L. R. A. 1901-6-1 1718 Los Angeles Ballona Creek, Mesmer Comment
  UCR272608  Hordeum brachyantherum subsp. brachyantherum R. G. Swinney 2011-6-7 15058 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  CAS-BOT-BC289494  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-18 10858 Los Angeles Marsh along the Lancaster Road, va. 3 miles southeast of Gorman, Tehachapi Mountains 1097 Comment
  RSA187787  Hordeum depressum R. F. Thorne 1966-9-15 36681 Los Angeles Above Parson's Landing, Santa Catalina Island. 76 Comment
  UCR214673  Hordeum marinum A. C. Sanders, Dan S. Cooper 2010-4-30 38156 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC520315  Hordeum murinum R. G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 615 Comment
  SBBG31222  Hordeum murinum R. F. Thorne 1966-4-4 35777 Los Angeles Blue Cavern Pt 30 Comment
  UCR216752  Hordeum murinum R. G. Swinney 2009-2-20 10015 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA230385  Hordeum murinum subsp. glaucum R. F. Thorne, M. Z. Thorne 1969-7-10 38385 Los Angeles San Gabriel Mts., Angeles National Forest: Wet margin of Jackson Lake. 1860 Comment
  RSA669291  Hordeum murinum subsp. glaucum LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2002-4-27 531 Los Angeles Valley Forge Campgroud, in the West Fork of the San Gabriel river. 1057 Comment
  RSA746778  Hordeum murinum subsp. leporinum R. G. Swinney 2008-4-17 8684 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  CATA619  Hordeum murinum subsp. murinum Mark L. Hoefs 1991-4-8 1072 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  CAS-BOT-BC532279  Horkelia cuneata var. puberula I. M. Johnston 1918-4-14 1887 Los Angeles Southern California, Deer Canyon Wash near Etiwanda 365 Comment
  UCD169682  Hosackia crassifolia var. crassifolia Louis C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Ridge 1/2 mile WNW Pine Mt. 1249 Comment
  RSA0040127  Hosackia oblongifolia Orlando Mistretta 1990-7-2 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Bear Flat. 1746 Comment
  SEINET13276828 Image available Hosackia oblongifolia R. G. Swinney 2011-1 15728 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SBBG105558  Hulsea heterochroma T. Ross, S. Boyd 1994-5-25 7911 Los Angeles E end of Liebre Mtn summit; 0.6 Rd mi W of old rd 1685 Comment
  RSA527808  Hypochaeris glabra Timothy S. Ross, Damian Ross 1991-6-3 5530 Los Angeles Elephant Hill: wesr Pomona. Uncommon perennial from a heavy rootstock apparentl occuring here only on the upper easterly slope, eastward from the E ridge summit. 305 Comment
  UCD133387  Hypochaeris glabra Louis C. Wheeler 1967-6-16 9854 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  CHSC62038  Isocoma menziesii var. menziesii L. P. Janeway 1993-10-5 4606 Los Angeles Puente Hills; at the head of Arroyo San Miguel. Dirt road and drilling pad. 228 Comment
  CATA2747  Isocoma menziesii var. vernonioides Howard L. Ferguson 1981-4-20 251 Los Angeles San Clemente Island: Near mouth of Horse Beach Canyon 38 Comment
  JEPS19133  Isocoma menziesii var. vernonioides W. L. Jepson 1940-10-4 20178 Los Angeles 3 mi se of Norwalk Comment
  OBI35606  Isocoma menziesii var. vernonioides Rebecca Cicoria 1981-5-17 37 Los Angeles Along Crenshaw dirt road, S of Peacock Flats, upper Portuguese Bend, Rancho Palos Verdes Comment
  UCR129402  Isomeris arborea A. C. Sanders, Mark Elvin 2002-6-20 25242 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA249739  Jepsonia malvifolia R. F. Thorne 1973-2-12 42462 Los Angeles Blue Cavern Point, Santa Catalina Island. 61 Comment
  RSA580972  Juglans californica Catherine A. Mish 1995-3-9 23 Los Angeles Santa Monica Mts., Hollywood Reservoir. 250 Comment
  RSA656923  Juglans californica var. californica Valerie L. Soza, LeRoy Gross, Wayne Law 2000-7-5 1051 b Los Angeles San Gabriel Mountains: Above San Gabriel Canyon, W of Morris Reservoir. E-facing firebreak west of Silver Fish Road (FS Road 2N28), ca. 3.2 miles west of San Gabriel Canyon Road (Hwy 39) along Silver Fish Road. 793 Comment
  UCR177169  Juglans californica var. californica LeRoy Gross, Valerie Soza 2001-5-31 392 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. 396 Comment
  UC729504  Juncus acutus subsp. leopoldii Carl B. Wolf 1932-9-16 Los Angeles extreme se corner Pacific Western Oil Co. (Bryant Ranch, 100-150 ft of State Hwy) 1 Comment
  RSA0114944  Juncus balticus R. G. Swinney 2011-6-15 15186 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0012075  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  SD69793  Juncus bufonius Robert F. Thorne 1966-4-6 35901 Los Angeles Santa Catalina Island, margin of small reservoir north of Catalina Airport. 436 Comment
  RSA0098790  Juncus bufonius var. bufonius R. G. Swinney 2011-6-1 14939 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  UCR126702  Juncus bufonius var. congestus A. C. Sanders, Mark Elvin 2003-8-7 27180 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  SBBG44999  Juncus covillei V. Duran 1933-7-22 3526 Los Angeles Buckhorn 1981 Comment
  UCD141427  Juncus covillei Louis C. Wheeler 1954-9-1 7088 a Los Angeles San Gabriel Mountains: Little Rock Creek at Buckhorn. Comment
  RSA286783  Juncus duranii Robert F. Thorne, Larry E. DeBuhr 1978-6-28 44753 Los Angeles Lily Springs area on N slope of Mount Hawkins, drainage of S Fork Big Rock Creek 2439 Comment
  UCR270809  Juncus duranii R. G. Swinney 2011-8-17 15625 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  JEPS45915  Juncus rugulosus Louis C. Wheeler 1932-9-5 1351 Los Angeles San Antonio Canyon San Gabriel Mts. 883 Comment
  UC1595240  Juncus rugulosus Tim Ross, Peter Fritsch 1990-6-20 3593 Los Angeles near the confluence of the East and West Forks of the San Gabriel River (mouth of Burro Canyon, San Gabriel Mountains); San Gabriel Mountains, Burro Canyon 445 Comment
  POM1590  Juncus saximontanus I. M. Johnston 1917-8-23 1632 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA656782  Juncus textilis Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 710 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 548 Comment
  RSA624460  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  LA200960  Juniperus californica Carl Wishner; 1990-4-17 1780 Los Angeles SANTA MONICA MOUNTAINS, Agoura, SE of Agoura Rd and Cornell Cut-Off Rd. 225.0 Comment
  SEINET10449665  Kalanchoe laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4873 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA160453  Keckiella cordifolia J. D. Olmsted 1958-5-19 146 Los Angeles SW drainage along Thompson Creek, N of Baseline and Mountain Avenue (Claremont). 534 Comment
  RSA293233  Keckiella cordifolia D. C. Michener 1980-6-30 3691 Los Angeles Indian Canyon. 950 Comment
  RSA401761A  Keckiella cordifolia F. R. Fosberg 1931-5-6 S- 4784 Los Angeles Cape Canyon, Santa Catalina Island. 220 Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  SBBG132001  Keckiella cordifolia S. A. Junak 1996-4-13 SCI 318 Los Angeles S of first cyn S of Bryce Cyn 15 Comment
  RSA0084938  Keckiella ternata R. G. Swinney 2010-9-13 13807 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA293287  Keckiella ternata subsp. septentrionalis D. C. Michener 1980-6-30 3694 Los Angeles Transverse Ranges [Sierra Pelona]; 3.2 miles northwest of jct of Bouquet Canyon rd on road to Green Valley. 1000 Comment
  RSA582221  Keckiella ternata subsp. septentrionalis Tim S. Ross, Steve D. Boyd 1992-7-5 6603 Los Angeles Red Mountain: E ridge of red Mtn, ca 530 m E of the summit. 1119 Comment
  UC70577  Keckiella ternata var. ternata Ernest Braunton 1905-8-5 1275 Los Angeles Tujunga Canyon Comment
  RSA557842  Kochia californica D. Charlton 1989-4-21 2887 Los Angeles B St. from 120th to 140th, Southern Border of Base. 701 Comment
  CLARK-A1528-2584  Kochia californica John C. Roos 1947-9-18 2790 Los Angeles Lancaster Comment
  RSA403462  Koeleria macrantha Anstruther Davidson 1892-8-20 256 Los Angeles Wilson's Peak. Comment
  SBBG59411  Koeleria macrantha R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  CAS-BOT-BC271342  Koeleria pyramidata Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  RSA703546  Lactuca serriola Michael Honer 2004-6-22 2008 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  RSA733131  Lactuca serriola R. G. Swinney 1998-8-1 6603 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  UCR48966  Lactuca serriola A. C. Sanders 1987-9-18 7360 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  JEPS69284  Lamarckia aurea Julia A. Bettys 1929-4-29 Los Angeles near Los Angeles (Huntington Palisades); Huntington Palisades Comment
  RSA592410  Lamarckia aurea Mark Hoefs, Doug Propst 1973-3-14 92 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  PASA1161  Lamium amplexicaule Dr. R. J. Dobba 1927-3-21 Los Angeles Michilinda Comment
  RSA0111942  Larrea tridentata Richard G. Swinney 2011-4-19 14415 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA612075  Lastarriaea coriacea Valerie L. Soza 1998-4-26 64 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  CAS-BOT-BC338125  Lasthenia californica Ralph Hoffmann 1929-4-26 s.n. Los Angeles Santa Barbara Region. 5 miles west of Castiac [Castaic], no. Los Angeles Co. Comment
  POM18757  Lasthenia californica P. A. Munz 1923-4-8 6626 Los Angeles San Clemente Island. Comment
  RSA535697  Lasthenia californica Timothy S. Ross 1991-5-22 5452 Los Angeles San Clemente Island. Spray [point], W side of island about 5300 feet N of El Point. Coastal terrace. 9 Comment
  RSA618770  Lasthenia californica L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  UCR70758  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UCR176095  Lasthenia gracilis Holly A. Wanamaker 2005-5-1 39 Los Angeles Western Mojave Desert, Antelope Buttes, off Hwy 138 at 110th St. West in Lancaster, c. 4 mi. SW of intersection on a dirt road, adjacent to the California Poppy Preserve 912 Comment
  RSA405724  Lathyrus vestitus F. R. Fosberg 1931-3-25 S- 4373 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  UCR271057  Lathyrus vestitus R. G. Swinney 2011-6-6 15000 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA405670  Lathyrus vestitus subsp. laetiflorus Charlotte Brown 1929-2-2 s.n. Los Angeles Verdugo Hills, Glendale Comment
  RSA90458  Lathyrus vestitus subsp. laetiflorus F. W. Peirson 1923-4-11 3455 Los Angeles San Clemente Island, canyon about 5 miles southeast of Eagle Ranch Comment
  RSA600176  Lathyrus vestitus subsp. laevicarpus Steve Boyd, Lauren Raz 1997-5-1 9668 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA756882  Layia glandulosa Orlando Mistretta, Christine Mistretta 2008-4-4 2342 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  UC1069734  Layia glandulosa A. D. Gifford 1935-3-15 466 Los Angeles 2 mi from mouth Elizabeth Lake Canyon; Tejon Quadrangle Comment
  CHSC25055  Layia platyglossa L. M. Mayer; I. J. Mayer 1974-4-6 139 Los Angeles Fields at the intersection of La Tuna Canyon Rd. and Glenoaks Blvd. Comment
  UCR274094  Layia platyglossa Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  SEINET11562244  Lemna gibba I. W. Clokey, B. C. Templeton 1930-2-18 4630 Los Angeles La Brea pits Comment
  OBI69261  Lepechinia fragrans John Knapp, Denise Knapp 2003-4-13 33 Los Angeles Catalina Island 3695254.984N x 369457.457E 141 Comment
  SD45612  Lepechinia fragrans Darley F. Howe 1953-5-2 2270 Los Angeles Santa Catalina; Wain Canyon. Comment
  UCR59554  Lepidium appelianum S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  UCR94674  Lepidium dictyotum var. dictyotum A. C. Sanders, E. J. Lott 1993-5-6 13995 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  UCR186787  Lepidium draba Gary Kovnat, LeRoy Gross 2004-4-25 53 Los Angeles San Gabriel Mountains, Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone Comment
  JEPS53639  Lepidium flavum Dr. C. C. Parry Mar 1888 Los Angeles Lancaster Comment
  LA204426  Lepidium flavum Harlan Lewis; 1940-4-5 1352 Los Angeles near Palmdale 807 Comment
  UCR141025  Lepidium flavum June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  CAS-BOT-BC89425  Lepidium fremontii Roxana S. Ferris 1918-6-12 908 Los Angeles Vacant lot, Lancaster. Comment
  SD231266  Lepidium fremontii Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 104 Los Angeles Transverse Ranges; San Gabriel Mountains region: north side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UCR190723  Lepidium fremontii R. G. Swinney 2001-4-18 7929 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  RSA679826  Lepidium fremontii var. fremontii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 849 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  POM130  Lepidium lasiocarpum L. R. Abrams 1901-04 1225 Los Angeles Ballona Harbor Comment
  RSA429625  Lepidium nitidum M. B. Dunkle 1928-2-12 1705 Los Angeles Salta Verde, Santa Catalina Island Comment
  UCR190608  Lepidium nitidum R. G. Swinney 1990-3-23 1535 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  CAS-BOT-BC12817  Lepidium perfoliatum Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 988 Los Angeles Mojave Desert. Antelope Valley. Comment
  LA200321  Lepidium virginicum A. M. Johnson; 1932-5-30 4113 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  RSA187733  Lepidium virginicum var. pubescens R. F. Thorne 1966-4-7 35955 Los Angeles Santa Catalina Island, Cherry Valley. 46 Comment
  RSA747465  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-4 8612 Los Angeles lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  SBBG31337  Lepidium virginicum var. pubescens R. F. Thorne 1966-6-1 36484 Los Angeles near golf links, Avalon 30 Comment
  RSA429656  Lepidium virginicum var. pubescens Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA429663  Lepidium virginicum var. pubescens H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach. Comment
  RSA584014  Lepidium virginicum var. robinsonii Timothy S. Ross, S. D. Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  CAS-BOT-BC328078  Lepidospartum squamatum Ernest Braunton 1902-9-1 695 Los Angeles Arroyo Seco Comment
  RSA486475  Lepidospartum squamatum Richard Noyes 1988-7-30 598 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  RSA691050  Leptochloa fusca subsp. uninervia Scott D. White 2003-10-14 9833 Los Angeles Foothills above Sierra Madre. L. A. Dept. of Public Works 'Sierra Madre Villa' Debris Basin (Mt. Wilson). 335 Comment
  UCR210130  Leptochloa uninervia R. G. Swinney 2008-10-20 9643 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  IRVC29642  Leptodactylon californicum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26212 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UC501492  Leptodactylon californicum Joseph Andorfer Ewan 1932-5-29 7213 Los Angeles Arrastre Canyon; San Gabriel Mts., Arrastre Canyon 1371 Comment
  POM6811  Leptosiphon androsaceus G. Williams 2502 Los Angeles Near Puente along roadside Comment
  RSA469969  Leptosiphon bicolor M. B. Dunkle 1939-11-25 7258 Los Angeles San Clemente Island: Eagle Canyon. Comment
  RSA690933  Leptosiphon breviculus J. Mark Porter, Lauren Machen 2004-5-2 14091 Los Angeles San Gabriel mountains, northern foothills; along Big Pines Highway, neare the 2.4 mile marker. 1402 Comment
  SBBG16945  Leptosiphon chrysanthus subsp. chrysanthus K. A. Wilson 1962-5-26 1290 Los Angeles Aliso Cyn Rd, ca. 2 mi S of Acton Comment
  RSA567537  Leptosiphon ciliatus T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3894 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA73058  Leptosiphon ciliatus F. W. Peirson 1920-6-10 2790 Los Angeles San Gabriel Mts., summit of Mt. Wilson 1738 Comment
  RSA165710  Leptosiphon ciliatus Wesley O. Griesel, Brian C. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mtn. Angeles National Forest. 1616 Comment
  RSA73049  Leptosiphon parviflorus F. W. Peirson 1919-4-19 377 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 579 Comment
  UCSB9517  Leptosyne douglasii Gray, Caroline 1956-4-13 Los Angeles 16 mi. east from Little Rock and 6 mi. from Llano Comment
  UCR206264  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-6-4 8943 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  UCR239980  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-11-13 11610 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  CAS-BOT-BC339280  Lessingia glandulifera var. glandulifera Le Roy Abrams 1901-7-21 1909 Los Angeles Claremont Comment
  POM361801  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1931-9-1 48 Los Angeles 2 miles north of Claremont 412 Comment
  RSA716470  Lessingia glandulifera var. peirsonii Scott D. White, Andrea Warniment 2006-7-7 11615 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  RSA670404  Leucophyllum texanum Bonnie C. Templeton 1947-9-3 4886 Los Angeles La Ca - ada. Comment
  UCR192822  Lewisia rediviva R. G. Swinney 1998-7-6 6295 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  UC53557  Leymus X multiflorus H. P. Chandler 1902-9-11 2053 Los Angeles Verdugo Canyon Comment
  CAS-BOT-BC283779  Leymus cinereus Roxana S. Ferris 1918-6-12 905 Los Angeles Desert road between Oban and Lancaster Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  UC572683  Leymus condensatus Nell Murbarger March, 1936 59 Los Angeles San Clemente Island; e side, mouth of canyon Comment
  RSA585690  Leymus triticoides Timothy S. Ross 1990-6-11 3014 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA729948  Leymus triticoides R. G. Swinney 1999-5-8 7134 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  SEINET10926851  Leymus triticoides Frank W. Gould 1941-5-11 Gould 2341 Los Angeles In vacent lot near Compton Junior College, Compton. Comment
  UCR209421  Lilium parryi R. G. Swinney 2008-9-13 9457 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA68711  Lilium rubescens Frank W. Peirson 3687 Los Angeles Road near Coldwater Canyon, Santa Monica Mts. Comment
Read comments
May 5 2010
  UCR138492  Limonium otolepis L. C. Wheeler 1976-7-29 s.n. Los Angeles Dominguez Hills, Victoria Street and Wilmington Boulevard 46 Comment
  RSA0081382  Limosella acaulis R. G. Swinney 2010-9-13 13803 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA468559  Linanthus androsaceus subsp. luteolus Richard C. Barkelew 1929-4-7 1584 Los Angeles Mulholland Highway Comment
  HSC104238  Linanthus aureus subsp. aureus R. G. Swinney 2009-4-24 10442 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  IRVC26135  Linanthus breviculus B. C. Templeton 1932-7-21 5026 Los Angeles Big Pines Park, Angeles National Forest San Gabriel Mtns. 1982 Comment
  UCR153452  Linanthus breviculus R. F. Thorne, M. Z. Thorne 1969-7-10 38399 Los Angeles Transverse Ranges: San Gabriel Mtns region, Angeles National Forest. Along Mescal Creek 2043 Comment
  LA52349  Linanthus dianthiflorus Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  POM346556  Linanthus parryae Barry Burnell 1970-4-24 189 Los Angeles 3.2 miles south of Highway 138 on N4 1371 Comment
  UC1250453  Linanthus parryae Isabelle Tavares, Valera Brinson 1962-4-18 290 Los Angeles 26 mi E of Palmdale (on Hwy. 138) 1036 Comment
  RSA337415  Linanthus parryae R. F. Thorne, Gary D. Wallace 1973-4-25 43377 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  UC52729  Linanthus parviflorus H. M. Hall 1902-5-10 3252 Los Angeles Chatsworth Hills Comment
  SEINET3246317  Lithophragma R. G. Swinney 1998-1 5909 Los Angeles San Gabriel Mtns.: Evey Canyon, ca. 0.75 mi. west of Mt. Baldy Rd., ca. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
Read comments
Dec 7 2018
  RSA656217  Lithophragma Joseph M. Keefe 1978-4-28 22750 Los Angeles Verdugo Mountains: Northeast corner Aviation-Arts Building, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Hills 256 Comment
  RSA468222  Lithophragma affine E. S. Spalding 1931-4-1 s.n. Los Angeles Monrovia Canyon. Comment
  RSA468209  Lithophragma affine subsp. mixtum Anstruther Davidson 1890-5-24 1823 Los Angeles Los Angeles. Comment
  RSA579495  Lithophragma bolanderi T. S. Ross, Steve Boyd 1994-5-11 7823 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. 1500 Comment
  RSA225724  Lithophragma heterophyllum R. F. Thorne, A. C. Gibson 1971-5-22 39760 Los Angeles San Gabriel Mountains, Angeles National Forest: Fish Canyon, somewhat below Falls. 396 Comment
  SBBG17163  Lobularia maritima K. A. Wilson 1961-2-18 860 Los Angeles Mulholland Hwy, 2 mi W of Seminole Hot Springs Comment
  SBBG71607  Loeflingia squarrosa R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk, near Castaic Comment
  UC1587695  Logfia arizonica Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-18 5193 Los Angeles 1300 ft nnw Guds (888') marker; San Clemente Island 240 Comment
  CAS-BOT-BC342196  Logfia filaginoides Alice Eastwood 1906-5-27 241 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  SBBG109042  Logfia gallica S. A. Junak 1996-5-30 SCl 553 Los Angeles top of E escarpment, just S of Twin Dams Cyn, ca. 0.8 mi NE of Camera Pad Boulder 1 381 Comment
  CHSC110024  Lolium multiflorum V. Soza; LeRoy Gross 2001-5-22 1238 Los Angeles Transverse Ranges, San Gabriel Mountains region: Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  RSA656211  Lolium perenne Joseph M. Keefe 1978-5-16 22920 Los Angeles Verdugo Mountains: Mountain Street, 0.5 km west of Glendale Freeway (Highway 2) Glendale College, Glendale, San Rafael Hills. 290 Comment
  CLARK-A1528-4718  Lolium perenne subsp. multiflorum John C. Roos 1947-10-12 Los Angeles West Los Angeles Comment
  POM356951  Lolium perenne subsp. multiflorum Robert M. Perkins 1936-3-16 119 Los Angeles Pico & La Brea Ave Comment
  UCD66655  Lolium temulentum Frank W. Gould 1944-5-7 2336 Los Angeles 3 miles E of Compton. Comment
  POM49719  Lolium temulentum var. arvense Le Roy Abrams 1901-04 1183 Los Angeles Ballona Harbor Comment
  POM3426  Lomatium dasycarpum subsp. dasycarpum P. A. Munz 1918-5-26 2277 Los Angeles Claremont Palmer s Canyon Comment
  UC1167715  Lomatium lucidum Peter H. Raven and H. L. Wedberg 1957-6-15 10910 Los Angeles 0.8 mi. n. of US 101A Latigo Canyon; Santa Monica Mts., Latigo Canyon Comment
  RSA0105324  Lomatium lucidum J. Bogdanoff-Lord 1989-5-21 19 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  CHSC95474  Lomatium mohavense LeRoy Gross 2005-4-28 2154 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  UCR177458  Lomatium mohavense subsp. longilobum LeRoy Gross 2005-4-28 2154 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  RSA757319  Lomatium nevadense R. G. Swinney 2008-6-17 9053 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  RSA0105337  Lomatium nevadense var. parishii T. S. Ross 1994-5-31 7969 Los Angeles Pacifico Mountain: somewhat flat granitic ridgetop ca 800 m WNW of the 7124' summit. 2060 Comment
  POM3247  Lomatium vaginatum P. A. Munz 1918-5-19 2265 Los Angeles Hills south of Pomona. Comment
  CAS-BOT-BC234856  Lonicera subspicata var. denudata Geo. B. Grant 1904-6-15 706 a Los Angeles Pasadena Comment
  JEPS12859  Lonicera subspicata var. denudata Frank W. Peirson 1918-6-30 217 Los Angeles Mt. Wilson Toll Road San Gabriel Mountains 1371 Comment
  JEPS24960  Lonicera subspicata var. denudata Ira W. Clokey, B. Templeton June, 1929 4554 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA77005  Lonicera subspicata var. denudata Robin S. Collins 1973-5-15 267 Los Angeles Angeles National Forest, San Gabriel Mountains. Trail Canyon, into canyon ca. 1/2-1 mi from beginning of pack trail 640 Comment
  UCD137372  Lonicera subspicata var. denudata Justin M. Wood 2009-4-22 527 Los Angeles San Gabriel Mountains, City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA406745  Lotus argophyllus var. argophyllus Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  RSA157787  Lotus dendroideus var. traskiae P. H. Raven 1962-5-7 17578 Los Angeles San Clemente Island, Wilson Cove 91 Comment
  SEINET12148050  Lotus formosissimus Unknown 1933-1 8478 Los Angeles nr Los Angeles Comment
  UC56577  Lotus grandiflorus H. M. Hall May 1 1902-May 3 1902 3085 Los Angeles vicinity Elizabeth Lake; Antelope Valley 1066 Comment
  IRVC27010  Lotus hamatus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26058 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UCR20369  Lotus heermannii Albert J. Perkins 1915-10-9 s.n. Los Angeles San Gabriel Mtns., Mt. San Antonio, Cow Canyon 1372 Comment
  UCR125483  Lotus humistratus A. C. Sanders, Mark Elvin 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR124710  Lotus procumbens B. C. Templeton 1933-6-16 5133 Los Angeles San Gabriel Mtns., West Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
  UCR194036  Lotus procumbens R. G. Swinney 1999-6-5 7246 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA585469  Lotus procumbens var. procumbens T. S. Ross 1990-5-29 2667 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  UCR125617  Lotus purshianus A. C. Sanders 2003-5-26 25866 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR269963  Lotus salsuginosus R. G. Swinney 2010-5-7 12574 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  UCR280503  Lotus salsuginosus R. G. Swinney 2014-5-13 16492 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA3246  Lotus scoparius C. B. Wolf 1931-6-25 2236 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  RSA709837  Lotus scoparius A. C. Sanders 2003-4-28 26087 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  RSA0038275  Lotus scoparius Carol Frazier 1966-6-3 s.n. Los Angeles San Rafael Hills. Comment
  RSA774275  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-6-17 11175 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR280858  Lotus scoparius subsp. brevialatus R. G. Swinney 2014-4-23 16152 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UCR281344  Lotus scoparius subsp. scoparius R. G. Swinney 2014-5-27 16689 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  UC527604  Lotus scoparius var. brevialatus C. B. Wolf 1931-6-25 Los Angeles sw of Los Angeles Botanic Garden (along Beverly Blvd., Mandeville Canyon); Mandeville Canyon 60 Comment
  RSA529307  Lotus strigosus T. S. Ross 1991-4-8 4453 Los Angeles Elephant Hill: western Pomona 229 Comment
  RSA722937  Ludwigia grandiflora subsp. hexapetala R. E. Riefner Jr. 2007-6-28 7 -283 Los Angeles Harbor City, Bixby Slough, vicinity of 255th Street and Dodge Ave. 40 Comment
  POM355476  Ludwigia repens var. stipitata Theodore Payne 1910-08 2504 Los Angeles Near Palms Comment
  SEINET10625731 Image available Luffa acutangula Heidi H. Schmidt 1999-10-14 Schmidt 3828 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA0085605  Lunaria annua R. G. Swinney 2010-8-26 13588 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  SEINET4044581  Lupinus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Peperdine University. 182 Comment
  CAS-BOT-BC201203  Lupinus Philip A. Munz 1925-4-23 9421 Los Angeles San Gabriel Canyon 304 Comment
  UCD14979  Lupinus J. M. Tucker 1962-4-18 3623 Los Angeles extreme northwest corner of county, Tehachapi Mountains, road to Mexican Mine area, just off Oso Canyon. 1005 Comment
  CAS-BOT-BC198387  Lupinus albifrons Carl B. Wolf 1932-5-13 3627 Los Angeles Santa Catalina Island, 100 yds. above the Wishbone, on the Avalon-Isthums Road 243 Comment
  SEINET10488417  Lupinus albifrons David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6450 x 7325 Comment
  RSA0061150  Lupinus albifrons var. austromontanus Daisie Huang 2008-3-18 08031802 Los Angeles Along Gorman Post Road, near large Gorman billboard. 1119 Comment
  SBBG18732  Lupinus albifrons var. douglasii E. R. Blakley 1963-4-7 5536 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  SBBG31414  Lupinus albifrons var. douglasii R. F. Thorne with P. C. Everett 1965-6-23 34987 Los Angeles W of Avalon along rd to airport 182 Comment
  UCR159157  Lupinus andersonii R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
  UC584116  Lupinus benthamii David D. Keck, Palmer Stockwell 1935-5-16 3312 Los Angeles on Old Ridge Route ca 1 mi se Gorman (northern Los Angeles Co.); Old Ridge Route Comment
  RSA199051  Lupinus bicolor W. M. Gauntt 1966-4-9 136 Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road. 915 Comment
  RSA488017  Lupinus bicolor Mark Hoefs 1974-5-2 454 Los Angeles Santa Catalina Island. Above Parson's landing Comment
  UCR123810  Lupinus bicolor Steven R. Hill, K. Kramer 2001-4-22 33335 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  RSA0041774  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2808 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  SD126373  Lupinus bicolor D. B. Dunn 1947-4-16 2949 Los Angeles Route from Newhall to Palmdale; Acton Junction on northwest side of highway. Comment
  RSA652478  Lupinus bicolor subsp. marginatus Charles D. Dunn s.n. Los Angeles W. Quartz Hill Comment
  POM350027  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1928-3-31 1801 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
  UC1922171  Lupinus bicolor subsp. microphyllus Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 887 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. Near 34deg 12' 24.8'' N 118deg 14' 51.6'' W T1N R13W NW/4, NE/4 sec. 4. Elev. 1300 Feet. Comment
  CAS-BOT-BC187854  Lupinus chamissonis Geo. B. Grant 1901-4-1 3821 Los Angeles Redondo Beach Comment
  SD248427  Lupinus chamissonis Jeremiah George, Audrey George 2014-1-15 Los Angeles Redondo Beach, miiediately east of intersection of Artesia Blvd. and Goodman Ave. 32 Comment
  RSA717223  Lupinus concinnus Scott D. White, Pam De Vries 2006-5-10 11443 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA779260  Lupinus concinnus Pam De Vries 2011-5-4 7761 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita) 502 Comment
  UCR263066  Lupinus concinnus Mitch Provance 2008-4-14 10136 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  RSA0115073  Lupinus concinnus Steven A. Junak, Keri Kirkland 2001-4-13 SCa- 1436 Los Angeles Santa Catalina Island. At top of coastal bluffs, overlooking Empire Quarry site. 238 Comment
  RSA229060  Lupinus elatus R. F. Thorne 1969-7-29 38855 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  UC1409007  Lupinus elatus Robert F. Thorne and J. Dourley 1967-10-10 37370 Los Angeles along Angeles Crest Hwy 1.5 mi sw Dawson Saddle (Angeles National Forest); San Gabriel Mts., , sw of Dawson Sadd 2301 Comment
  SEINET10450534  Lupinus elatus Victor Duran 1933-7-26 Duran 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR132316  Lupinus excubitus John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  SEINET10450556  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  SEINET10485286  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x 6432 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SEINET10485306  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 x 6453?(3) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  SD157644  Lupinus formosus Darley F. Howe 1959-5-3 2715 Los Angeles 15 miles west of Lancaster Comment
  UCSB46400  Lupinus formosus Danenhower, T. 1983-4-24 Los Angeles On south side of Highway 138; 26.9 miles west of its junction with Highway 14; Ridge Valley 1036 Comment
  RSA599477  Lupinus formosus var. robustus Steve Boyd, Lauren Raz 1997-3-26 9351 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  SD86339  Lupinus guadalupensis R. Mitchel Beauchamp, M. Douglas 1972-3-24 3232 Los Angeles San Clemente Island, in grassy fields north of Nanny 249 Comment
  RSA191025  Lupinus hirsutissimus R. F. Thorne 1963-5-5 32294 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA414781  Lupinus longifolius Ella M. Kennedy 1923-2-26 s.n. Los Angeles S. Pasadena Comment
  UC1595212  Lupinus longifolius Tim Ross and Peter Fritsch 1990-6-20 3669 Los Angeles Rincon-Red Box Rd (2N24) on ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1255 Comment
  SEINET10485617  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SFV1887  Lupinus microcarpus var. horizontalis Lawler 1958-5-10 s. n. Los Angeles Along side of Highway 138, 0.5 miles east of junction with Highway 99. 1220 Comment
  SFV1898  Lupinus odoratus M. L. Vincent 1962-5-7 240 Los Angeles Mojave Desert Llano at junction of road to Mile High. Roadside on Highway 138. 965 Comment
  SEINET10940183  Lupinus odoratus James S. Henrickson 1965-4-22 Henrickson 1959 Los Angeles Mojave desert. Ca 19 mi e of lancaster. E of saddleback butte; with larrea, Yucca brevifolia and many desert annuals; decomposed granite soil. Fleshy. Flowers deep blue-purple with white on keel and banner, frequent. 899 Comment
  RSA0062874  Lupinus paynei Daisie Huang 2008-4-1 08040104 Los Angeles Grimes Cyn Rd (Hwy 23), winding section. 101 Comment
  RSA616719  Lupinus peirsonii L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns.: Big Rock Creek at Angeles Crest Hwy. 2164 Comment
  RSA654083  Lupinus sparsiflorus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 427 Comment
  RSA755931  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2008-4-9 2407 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  LA52449  Lupinus sparsiflorus subsp. sparsiflorus J. A. Ewan; April 1933 10909 Los Angeles 365 Comment
  SEINET10490973  Lupinus sparsiflorus subsp. sparsiflorus Unknown 1916-4-15 Sturges s.n. Los Angeles Foothills n of claremont. 16 Inches tall. Violet color. Sandy habitat. Comment
  RSA589508  Lupinus succulentus Tim S. Ross 1995-5-21 8603 Los Angeles San Clemente Island: Near head of Chenetti Canyon. just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft SSE of Rest triangulation point (1336 ft). 347 Comment
  UCSB45205  Lupinus succulentus Batson, J. 1979-2-24 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  RSA0097614  Lupinus truncatus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA422095  Lycium andersonii Robert Gustafson, Christopher Davidson 1977-4-20 425 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  SBBG105497  Lycium californicum F. R. Fosberg 1931-4-29 4705 Los Angeles near top of wall, Middle Ranch Cyn 1.5 mi below Eagle's Nest 180 Comment
  CAS-BOT-BC140219  Lyonothamnus floribundus subsp. aspleniifolius R. M. Beauchamp 1967-1-29 164 Los Angeles San Clemente Island, west of Thirst. Comment
  RSA451625  Lyonothamnus floribundus subsp. aspleniifolius M. B. Dunkle 1939-4-6 7316 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SD92002  Lyonothamnus floribundus subsp. aspleniifolius Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22679 Los Angeles Two on canyonside, west fork of Red Rock Canyon, San Clemente Island 349 Comment
  UCR68893  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4207 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  CAS-BOT-BC142281  Lyonothamnus floribundus subsp. floribundus G. P. Rixford s.n. Los Angeles Catalina Island Comment
  RSA451793  Lyonothamnus floribundus subsp. floribundus M. B. Dunkle 1928-5-27 1981 Los Angeles Head of Gallagher's Canyon, San Clemente Island Comment
  RSA589866  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara 1994-8-4 8209 Los Angeles Santa Catalina Island. SW side of the island, 460m ENE of Carlos triangulation point (972 ft) and 2080m NNW of Quartz triangulation point (1252 ft) 207 Comment
  SBBG13265  Lyonothamnus floribundus var. aspleniifolius M. A. Piehl 1962-6-9 62321 Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  SBBG13485  Lyonothamnus floribundus var. floribundus P. H. Raven 1962-5-21 17816 Los Angeles lower end of Bullrush Cyn 198 Comment
  SBBG41331  Lyonothamnus floribundus var. floribundus M. R. Benedict 1970-6-29 Los Angeles upper part of NE draining cyn overlooking the Banning House at the isthmus Comment
  RSA435271  Lythrum californicum Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  RSA94373  Madia exigua F. W. Peirson 1921-6-21 2446 Los Angeles West Fork of San Gabriel River 610 Comment
  POM362176  Madia gracilis L. C. Wheeler 1932-5-21 741 Los Angeles Head Mandeville canyon, Santa Monica Mtns. 488 Comment
  CAS-BOT-BC230894  Malacothamnus davidsonii C. B. Wolf 1931-7-2 2264 Los Angeles Little Tujanga Wash, 1/2 mi. above the bridge on the road from Suinland to San Fernando 335 Comment
  UCR274877  Malacothamnus davidsonii Josh Corona-Bennett 2010-5-8 s.n. Los Angeles Western Transverse Range, northern edge of city of San Fernando, on western slope of Lopez Debris Basin, c. 10 ft. east of Maclay St. 397 Comment
  LA30368  Malacothamnus fasciculatus Mary V. Hood; 1938-4-30 38 11 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0053895  Malacothamnus fasciculatus R. G. Swinney 2010-2-27 11771 Los Angeles San Gabriel Mountains/ Verdugo Mountains: Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east and from the I-210 Fwy. south to Big Tujunga wash. 331 Comment
  RSA306273  Malacothamnus fasciculatus Henry J. Ramsey, Mrs. Ramsey 1938-5-22 1406 Los Angeles North Craig Ave., Altadena. Comment
  RSA739612  Malacothamnus fasciculatus John Dittes 2006-6-4 1396 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.2 air miles W of Topanga Blvd, 0.6 air mile ENE of Santa Susana Pass. 427 Comment
  POM17009  Malacothamnus fremontii P. A. Munz 1923-9-1 7723 Los Angeles Swartout Valley, San Antonio Mtns. 1829 Comment
  RSA225994  Malacothamnus fremontii Robert F. Thorne, C. W. Tilforth 1971-6-29 40639 Los Angeles Along Little Rock Creek, 4 mi. above Litle Rock Dam 1037 Comment
  RSA434854  Malacothamnus fremontii Anstruther Davidson 1920-6-1 3369 Los Angeles Acton Road. Comment
  SD51916  Malacothrix foliosa subsp. foliosa Peter H. Raven 1962-5-8 17625 Los Angeles San Clemente Island, near western shore of island opposite Wilson Cove. 45 Comment
  UCR197780  Malacothrix glabrata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 111 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  SEINET3200276  Malacothrix saxatilis G. Rink 2011-6-2 10585 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  UC831162  Malacothrix saxatilis var. tenuifolia L. W. Nuttall 271 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC167865  Malosma laurina G. B. Grant 1901-6-25 4458 Los Angeles [Sturdevant's] Sturtevant Camp Trail Comment
  CAS-BOT-BC170386  Malosma laurina Alice Eastwood 1919-6-21 9057 Los Angeles San Fernando Comment
  RSA659359  Malosma laurina S. Koukol, R. Koukol 1998-5-3 62 Los Angeles Claremont, appx. 100 m S of Baseline Road, in open field E of Mills Ave., W od Monte Vista Ave. 448 Comment
  UCR238079  Malosma laurina Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2102 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  SBBG131985  Malva parviflora S. A. Junak 1990-11-9 SCI 135 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  SBBG14039  Malvella leprosa E. R. Blakley 1962-10-3 5378 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  SEINET998505  Marah A. C. Sanders 2003-1 25776 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel (Azusa 7.5' Q) 520 Comment
  RSA0118865  Marah fabacea A. C. Sanders 2006-4-18 32115 Los Angeles Tehachapi Mtns. Foothills: hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake. 1037 Comment
  UC1122846  Marah macrocarpa R. St. John 1933-3-8 346 Los Angeles Dry Canyon Calabasas Quadrangle Comment
  RSA662323  Marah macrocarpa var. macrocarpa Amy Drooks 1981-4-26 0 -12 Los Angeles San Gabriel River, north of Azusa. Comment
  RSA177804  Marrubium vulgare Robert F. Thorne, Percy C. Everett 1965-5-10 34428 Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  RSA409821  Marrubium vulgare M. Bisbee 1917-6-4 s.n. Los Angeles Waste places everywhere, Eagle Rock Comment
  RSA409827  Marrubium vulgare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  UCR55755  Matricaria matricarioides J. A. Adams 1964-5-8 41 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  UCR90271  Matricaria matricarioides Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  RSA651343  Matthiola incana Robert Airth 1949-1-8 s.n. Los Angeles Found near the shore of [Playa del Rey], Venice. Comment
  SBBG15801  Meconella denticulata W. G. Webb 1935-1 Los Angeles near Eagle Rock Comment
  UC311497  Meconella denticulata Philip A. Munz 1925-4-23 9413 Los Angeles San Gabriel Canyon 304 Comment
  UC635440  Meconella denticulata Herbert L. Mason 1927-6-14 3754 Los Angeles San Antonio Canyon, San Gabriel Mtns 914 Comment
  SBBG38935  Medicago polymorpha E. R. Blakley 1963-4-10 5603 Los Angeles 1 mi S of Avalon on rocky ridge 30 Comment
  UC73224  Medicago polymorpha Miss E. D. Palmer November, 1904 Los Angeles Vicinity of Los Angeles Comment
  POM155788  Medicago sativa M. B. Dunkle 1928-4-13 1863 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  UCR108351  Medicago sativa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Mine Gulch Camp, East Fork San Gabriel River 1372 Comment
  CAS-BOT-BC281498  Melica imperfecta Mrs. Jos Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  LA89867  Melica imperfecta Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  LA98900  Melica imperfecta E. R. Hobbs; 1979-5-6 79 -64 Los Angeles Devil's Punchbowl County Park Comment
  POM204794  Melica imperfecta C. V. Piper 1904-5-16 6816 Los Angeles Laurel Canyon, near Los Angeles Comment
  POM244858  Melica imperfecta F. R. Fosberg 1931-4-22 4672 Los Angeles Santa Catalina Island, Eagle's Nest, Middle Ranch Canyon. Comment
  POM357030  Melica imperfecta F. R. Fosberg 1931-3-19 4307 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon 10 Comment
  RSA626113  Melica imperfecta LeRoy Gross 1999-4-29 143 Los Angeles East end; Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to The Old Road, City of Newhall 487 Comment
  RSA717866  Melica imperfecta R. G. Swinney 1997-4-25 5509 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  UCD88101  Melica imperfecta Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy Camp. Comment
  UCD88289  Melica stricta A. A. Beetle 1942-6-25 3639 Los Angeles San Bernardino Mountain, 4 miles north of Big Pine Camp on Rt. 2. 1828 Comment
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Mar 25 2015
  RSA547817  Melilotus albus T. S. Ross 1990-6-20 3629 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA535691  Melilotus indicus Tim S. Ross 1991-5-22 5453 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 61 Comment
  UC150059  Mentha X piperita LeRoy Abrams 1902-8-26 2978 Los Angeles Ballona Creek Mesmer; Ballona Creek Comment
  LA33784  Mentha canadensis Peter H. Raven; Henry J. Thompson 1959-10-25 14636 A Los Angeles Comment
  UCR220261  Mentzelia R. G. Swinney 2009-4-28 10503 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  POM49185  Mentzelia affinis L. R. Abrams 1901-4-4 1323 Los Angeles Chatsworth Park. Comment
  PASA1548  Mentzelia albicaulis Stason 1930-5-18 Los Angeles Near Lancaster Comment
  UCSB33239  Mentzelia albicaulis Partsch, M. 1977-5-14 Los Angeles Along Palmdale Blvd. at 140th St. east 1066 Comment
  UCD117201  Mentzelia albicaulis D. C. Finfrock 1950-4-21 25 Los Angeles 2.5 miles from Gorman on Lancaster Road. Comment
  JEPS41225  Mentzelia congesta Frank W. Peirson 1923-5-25 3523 Los Angeles San Gabriel Mountains, Rock Creek Comment
  RSA0019774  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-23 5756 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  RSA589258  Mentzelia jonesii Tim S. Ross 1991-4-27 4671 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg. SW of Three Sisters [Buttes]. 1003 Comment
  SD69646  Mentzelia micrantha Robert F. Thorne 1966-6-1 36470 Los Angeles Santa Catalina Island; near base of rocky east-facing bluff opposite Pebbly Beach terminal. 7 Comment
  UC1922363  Mentzelia micrantha Valerie Soza, Susan Caplow 2003-4-11 1630 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  UCR139480  Mentzelia montana Anstruther Davidson, H. E. Hasse 1906-6-1 1626 Los Angeles San Gabriel Mtns./Mojave Desert, Big Rock Creek 1982 Comment
  UC1293709  Mentzelia veatchiana P. C. Everett and E. K. Balls 1959-5-22 23801 Los Angeles 1/2 to 1 mi se Fairview; Antelope Valley, San Adreas Rift 853 Comment
  CAS-BOT-BC435239  Mesembryanthemum crystallinum Peter H. Raven; Henry J. Thompson 1959-6-4 14328 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  RSA710280  Metrosideros kermadecensis A. C. Sanders, Lee Jones 2005-4-8 29364 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  CATA1848  Micropus californicus Denise Kraus 2000-4-19 3 Los Angeles Santa Catalina Island: West end of island, just off fence line road about 0.2 mile from (southern) ridge road 411 Comment
  RSA393760  Micropus californicus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  LA33768  Micropus californicus var. californicus Peter H. Raven; Henry J. Thompson 1959-5-5 14132 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage Comment
  RSA617728  Microseris heterocarpa Scott D. White 1998-5-22 6564 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA630314  Microseris lindleyi L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA232789  Microseris lindleyi R. F. Thorne 1966-4-17 36091 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  SEINET11810184  Microseris lindleyi H. M. Hall 1902-1 3263 Los Angeles Sierra Santa Monica Comment
  SD7679  Microsteris gracilis J. C. Nevin none given Los Angeles Los Angeles Comment
  RSA709831  Mimulus aurantiacus A. C. Sanders 2003-4-28 26086 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  UCR179279  Mimulus aurantiacus R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  JEPS26146  Mimulus aurantiacus var. pubescens Peter H. Raven 1959-5-3 14066 Los Angeles 0.5 mi e Beverly Glen Boulevard (Mulholland Hwy.); Santa Monica Mountains 381 Comment
  UCR205272  Mimulus aurantiacus var. pubescens R. G. Swinney 2005-8-17 8495 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  UCR220376  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-4-15 10343 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCSB7527  Mimulus aurantiacus var. pubescens Wedberg, H. 1958-3-9 Los Angeles one mile N of Chatsworth Comment
  RSA161320  Mimulus aurantiacus var. puniceus Peter H. Raven 1962-5-20 17774 Los Angeles Santa Catalina Island. Avalon canyon about 1 mile south of Avalon. Comment
  UCR216686  Mimulus aurantiacus var. puniceus Dan S. Cooper 2010-4-19 410- 50 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail between Mt. Hollywood and the observatory, Griffith Park 410 Comment
  UC576458  Mimulus brevipes Edith A. Purer 1935-5-11 6591 Los Angeles Malibou Road Santa Monica Mts. Comment
  RSA80121  Mimulus cardinalis F. W. Peirson 1910-08 194 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  UCR243034  Mimulus cardinalis R. G. Swinney 2009-8-6 11535 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA0050045  Mimulus cardinalis Wendy Boes, Andrew Wheeler 2009-7-13 2009 -049 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.3 1981 Comment
  JEPS30709  Mimulus floribundus Peter H. Raven, W. O. Griesel 1961-10-13 16843 Los Angeles about 200 yards above Switzers Camp; Upper Arroyo Seco 762 Comment
  RSA188347  Mimulus floribundus Robert F. Thorne, M. Z. Thorne 1966-5-1 36414 Los Angeles Santa Catalina Island: Fern Canyon near stream W of Orizaba Mountain 229 Comment
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Jan 18 2016
  RSA156325  Mimulus floribundus L. R. Abrams 1902-7-1 2611 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA600539  Mimulus guttatus Steve Boyd, Lauren Raz 1997-5-28 9863 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA729340  Mimulus guttatus R. G. Swinney, D. W. Larson 1999-6-25 7398 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  SEINET13276792 Image available Mimulus guttatus R. G. Swinney 2011-1 14471 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA447915  Mimulus guttatus M. Bisbee 1917-5-5 s.n. Los Angeles Stream, Eagle Rock Valley Comment
  POM19081  Mimulus johnstonii P. A. Munz 1923-5-27 6882 Los Angeles Big Rock Creek; San Gabriel Mts 1296 Comment
  RSA238261  Mimulus moschatus Robert F. Thorne 1969-7-2 38316 Los Angeles San Gabriel Mts., Angeles National Forest: Moist area about spring 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  JEPS11456  Mimulus nasutus Frank W. Peirson 1922-5-30 3073 Los Angeles Millard's Canyon San Gabriel Mountains 990 Comment
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Oct 2 2011
  UC1409001  Mimulus parishii Robert F. Thorne, C. W. Tilforth, et al. 1972-6-29 42151 Los Angeles near, along Cajon Creek Cajon Campground; San Gabriel Mts., San Bernardino Nat'l Forest, Cajon Canyon 838 Comment
  UCR205243  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA434678  Mimulus pilosus Freda Detmers 1928-9-30 14930 Los Angeles San Gabriel Canyon Comment
  RSA602748  Mimulus rubellus Louis C. Wheeler 1967-8-1 10208 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  RSA727731  Minuartia douglasii R. G. Swinney 1998-5-16 6090 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA756893  Minuartia douglasii Orlando Mistretta, Christine Mistretta 2008-4-7 2345 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UCR152900  Mirabilis laevis A. C. Sanders, Helen Kennedy 2005-4-13 29410 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR281669  Mirabilis laevis R. G. Swinney 2014-4-17 16106 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  CAS-BOT-BC434638  Mirabilis laevis var. crassifolia Geo. B. Grant 1904-4-16 791 Los Angeles Los Angeles Comment
  RSA0027971  Mirabilis laevis var. crassifolia Richard A. Goodfellow 1948-4-28 s.n. Los Angeles By ranger station on north side of mountain at San Dimas. Comment
  RSA131262  Mirabilis laevis var. villosa Percy C. Everett, E. K. Balls 1959-5-22 23808 Los Angeles Big Rock Creek, N slopes, San Gabriel Mts, from Valyermo 1220 Comment
  CDA5056  Modiola caroliniana Phillipson 1915-5-7 Los Angeles South Monrovia. Comment
  SDSU21067  Monardella breweri Ian Cain, Natasha Bartely 2010-6-21 1533 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  UCR143093  Monardella breweri subsp. glandulifera Samuel R. Tyson 1943-9-1 s.n. Los Angeles San Gabriel Mountains, Brown's Flat, San Dimas Canyon 1250 Comment
  RSA232260  Monardella exilis James Henrickson 1971-5-2 5539 Los Angeles 15 miles E of Palmdale, S slope of Lovejoy Buttes. 854 Comment
  UCR116289  Monardella exilis B. G. Pitzer 1998-5-12 3699 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  RSA408594  Monardella lanceolata var. lanceolata Anstruther Davidson 1929-5-1 s.n. Los Angeles Tujunga. 854 Comment
  RSA667595  Monolopia lanceolata Steve Boyd, Lee Lenz 2001-5-2 10419 Los Angeles Along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. [Latitude should be 34 instead of 36] Comment
  CAS-BOT-BC444848  Montia fontana Louis C. Wheeler 1934-3-3 2387 Los Angeles Puddingstone Dam, San Jose Hills 304 Comment
  CHSC26287  Morus nigra James Henrickson 1970-5-2 4658 Los Angeles Claremont. 365 Comment
  RSA512043  Muhlenbergia asperifolia L. C. Wheeler 1966-8-20 8815 Los Angeles San Gabriel Mountains: Cabin Flat, Prairie Fork. Comment
  RSA733229  Muhlenbergia californica R. G. Swinney 1998-8-17 6773 Los Angeles Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1427 Comment
  RSA604535  Muhlenbergia microsperma Sara L. Crockett, S. Junak, M. Hoefs, Janet Takara 1997-3-28 623 Los Angeles Santa Catalina Island. N side of Cherry Harbor, overlooking mud flats, 20-30m upslope 43 Comment
  UCR259933  Muhlenbergia microsperma R. G. Swinney 2010-3-18 11970 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  POM209995  Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles Buckhorn, San Gabriel Mountains. 1982 Comment
  UCR202734  Muhlenbergia richardsonis R. G. Swinney, Cody Clarke 2001-8-22 8084 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA305062  Muhlenbergia rigens P. H. Raven, Henry J. Thompson 1960-5-21 s.n. Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  CAS-BOT-BC515096  Muilla maritima Le Roy Abrams 1901-4-6 1384 Los Angeles Big Tujunga Wash Comment
  RSA244389  Muilla maritima Robin S. Collins 1973-5-28 329 Los Angeles Angeles National Forest, San Gabriel Mtns: Trail Canyon. 2-2.5 mi into canyon from start of pack trail 793 Comment
  RSA68688  Muilla maritima F. W. Peirson 5 Los Angeles east bank of Arroyo Seco, Pasadena. Comment
  SBBG108991  Munzothamnus blairii S. A. Junak 1996-10-1 SCl 695 Los Angeles middle portion of Horse Cyn, ca. 1.7 mi SW of Thirst 304 Comment
  SBBG98514  Myriopteris newberryi T. Ross 1991-5-23 5485 Los Angeles lower Tota Cyn, E escarpment 44 Comment
  RSA77253  Nama californica F. W. Peirson 1919-5-10 396 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains. 915 Comment
  RSA252915  Nama demissa var. demissa Robert F. Thorne, C. W. Tilforth 1973-4-20 43056 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  UC821968  Nassella cernua L. W. Nuttall 1920-1 115 Los Angeles Santa Catalina Island Comment
  UCSB47249  Nassella cernua Knight, Mark 1982-5-20 Los Angeles 2 meters east of Hungry Valley Road offramp, Interstate 5 914 Comment
  CDA32564  Nassella cernua A. A. Beetle 1942-4-24 3216 Los Angeles Route 6, 10 miles southwest of Palmdale. 0 Comment
  CAS-BOT-BC259924  Nassella lepida Carl Epling 1931-4-1 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  SBBG130705  Nassella lepida S. A. Junak 2000-5-6 SCa 1286 Los Angeles above Empire Landing Quarry site 204 Comment
  SBBG32122  Nassella lepida R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -194 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UC1871326  Nassella lepida Tim Ross 1993-4-21 6864 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft), slope and small ridges N of Cactus Peak summit; N slope dropping toward Bullrush Canyon 384 Comment
  RSA738052  Nasturtium officinale Bill Duval s.n. Los Angeles Glendale College 30 Comment
  UCR119280  Navarretia hamata A. C. Sanders, D. Malueg 1998-6-22 22054 Los Angeles Foothills of San Gabriel Mtns., Sunset Ridge, Millard Canyon watershed north of Altadena, SCE powerlines near Millard Picnic Area, Angeles National Forest, N end of Chaney Trail 610 Comment
  UC1008716  Navarretia hamata Kay H. Beach 1943-7-24 1878 Los Angeles Tanbark Flat, near Lysimeters San Dimas Experimental Forest Comment
  LA211088  Navarretia hamata subsp. hamata Arthur C. Gibson; Tony Valois, Dan Cooper 2010-6-9 5323 Los Angeles HOLLYWOOD HILLS, In central Griffith Park. Comment
  RSA177778  Navarretia hamata subsp. leptantha R. F. Thorne, Percy C. Everett 1965-5-12 34620 Los Angeles Bulrush Canyon, Santa Catalina Island. 244 Comment
  SBBG122079  Navarretia setiloba A. Parikh, N. Gale 2003-5-23 732 Los Angeles Plum Cyn, 1 km S of Cruzan Mesa, 2 km W of Sierra Hwy 625 Comment
  SBBG126981  Nemacladus longiflorus var. longiflorus A. Parikh, N. Gale 2011-6-25 3505 Los Angeles upper Big Tujunga Cyn, 1.2 km W of Shortcut Station, 0.8 km N of St Hwy 2; San Gabriel Mtns 1236 Comment
  RSA524628  Nemacladus orientalis T. S. Ross, S. D. Boyd 1990-5-17 2597 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1613 Comment
  POM17754  Nemacladus sigmoideus F. W. Peirson 1921-5-19 s.n. Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  SFV2988  Nemophila menziesii M. L. Vincent 1961-5-20 117 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles west of New Topanga Canyon Road, south of highway. 245 Comment
  UCR88704  Nemophila menziesii Scott D. White, Chet McGaugh 1995-5-9 3017 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  UCR270644  Nemophila menziesii var. menziesii R. G. Swinney 2011-3-22 14183 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  CAS-BOT-BC434984  Nemophila parviflora var. quercifolia A. C. Sanders; T. B. Salvato 2007-4-24 33504 Los Angeles Tehachapi Mountains: hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1082 Comment
  RSA0043176  Nemophila pedunculata A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25723 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  CHSC12147  Nemophila pulchella L. M. Mayer 1973-4-21 96 Los Angeles 50 ft. from the rd in Big Tujunga Canyon ca. 5 mi ne from the intersection of Foothill Blvd and Mt. Gleason Ave. 548 Comment
  RSA678150  Nicotiana attenuata Michael Denslow, Valerie Soza 2002-7-10 696 Los Angeles North side of mountains. Road side; off Big Rock Creek road on the road to south fork campground. 1372 Comment
  RSA167860  Nicotiana glauca Robert F. Thorne, Percy C. Everett 1964-2-6 33284 Los Angeles Santa Catalina Island. W of Catalina Harbor at Isthmus. 5 Comment
  UCD126674  Nicotiana glauca Bonnie C. Templeton 1960-5-18 8578 Los Angeles near Pasadena. Comment
  UCR167535  Nicotiana quadrivalvis Scott D. White, A. Warniment 2005-9-13 11224 Los Angeles Tehachapi Mtns, Slopes and plateaus west of Oso Canyon, c. 1-2 air mi N of Quail Lake 1159 Comment
  CDA5211  Oenothera laciniata John Dolan 1991-4-3 s.n. Los Angeles On botanic garden grounds, around the pond just southwest of the Plant Science Center, Claremont. 0 Comment
  SBBG12660  Oligomeris linifolia E. R. Blakley 1962-6-9 5188 Los Angeles China Pt near lighthouse 15 Comment
  RSA439565  Opuntia X occidentalis L. C. Wheeler 1931-7-13 s.n. Los Angeles 2 miles N of Claremont. 412 Comment
  SEINET10731655  Opuntia echinocarpa LeRoy R. Abrams, Ernest A. McGregor 1908-7-2 Abrams 564 Los Angeles Rock Creek, Desert slopes of the San Gabriel Mountains. Comment
  RSA720503  Oreonana vestita Naomi Fraga, LeRoy Gross 2006-5-9 1666 Los Angeles Mount Baldy Ski Area. 2470 Comment
  RSA0104814  Orobanche bulbosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA0105974  Orobanche fasciculata R. G. Swinney 2011-7-8 15499 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  CAS-BOT-BC499910  Orobanche fasciculata Le Roy Abrams; E. A. McGregor 1908-6-20 352 Los Angeles Liebre Mountains 1371 Comment
  RSA402055A  Orthocarpus purpurascens Louis C. Wheeler 1933-4-7 1626 Los Angeles Temple City. 107 Comment
  RSA402068A  Orthocarpus purpurascens Tom Burch 1940-4-7 s.n. Los Angeles El Segundo. Comment
  UC106302  Osmorhiza brachypoda K. Brandegee May 1889 Los Angeles Pasadena Comment
  UCR271480  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  OBI54401  Oxalis corniculata Steve Morgan 1974-5-1 92 Los Angeles 1212 E. Las Tunas Dr, San Gabriel Comment
  UCD110779  Oxalis corniculata C. W. Tilforth 1970-1-18 244 Los Angeles Residence in Piedmont Mesa, Clarement. Comment
  RSA698758  Oxytheca trilobata LeRoy Gross, P. Morton 2004-6-10 1368 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1432 Comment
  JEPS37499  Packera ionophylla F. W. Peirson 1922-7-6 3195 Los Angeles Big Pines Region San Gabriel Mts. Comment
  CAS-BOT-BC121168  Paeonia californica John Hunter Thomas 1957-5-3 s.n. Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena. 304 Comment
  UCR108654  Paeonia californica L. C. Wheeler 1967-5-18 9609 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA656076  Paeonia californica James Henrickson 1985-3-31 19796 Los Angeles Ca 3 mi sw of Newhall on hillside just south of Calgrove Ave about 0.5 mi. e. of the freeway. 370 Comment
  SBBG20508  Parietaria hespera var. californica E. R. Blakley 1963-12-8 6391 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity Comment
  RSA660769  Parietaria hespera var. hespera Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 47 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 659 Comment
  RSA150918  Parietaria hespera var. hespera Peter H. Raven 1962-4-10 17236 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  IRVC28724  Parthenocissus vitacea A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  UCR142739  Paspalum dilatatum L. C. Wheeler 1966-10-27 9095 Los Angeles San Gabriel Mtns, Angeles National Forest; Rincon Ranger Station [Camp Rincon] 473 Comment
  SBBG128808  Paspalum dilatatum M. L. Hoefs, S. A. Junak, K. Kirkland 1995-11-11 2569 Los Angeles lower Descanso cyn, just above Descanso Beach 6 Comment
  CDA34953  Paspalum quadrifarium R. E. Riefner Jr. 2007-7-1 07 -288 Los Angeles San Dimas; Puddingstone Reservoir, Bonelli Regional Park, East Shore Dr. Comment
  UCR120584  Pectocarya anisocarpa Steven R. Hill, K. Kramer 2001-4-22 33343 A Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  POM50670  Pectocarya linearis subsp. ferocula L. R. Abrams 1899-04 231 Los Angeles Inglewood Comment
  UC284211  Pectocarya linearis subsp. ferocula P. A. Munz 1923-4-9 6690 Los Angeles San Clemente Island, Lemon Tank Comment
  RSA190984  Pectocarya linearis subsp. ferocula R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36747 Los Angeles Lower end Bulrush Canyon. 244 Comment
  RSA590065  Pectocarya penicillata Orlando Mistretta 1994-3-30 989 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  SEINET7047895  Pectocarya penicillata Steven R. Hill, Kate Kramer 2001-4-22 33343 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  JEPS68245  Pectocarya setosa W. L. Jepson 1939-4-21 19239 Los Angeles sandy flats near Yucca Grove; West Mojave Desert, Antelope Valley, Neenach School 914 Comment
  RSA575547  Pectocarya setosa R. G. Swinney 1994-6-12 2933 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  RSA0048358  Pedicularis densiflora Mike Thornburg 1977-3-12 s.n. Los Angeles 4 mi. up Old Mulholland Road near stream. 457 Comment
  RSA329734  Pellaea andromedifolia var. andromedifolia Gary D. Wallace 1966-3-25 211 Los Angeles San Gabriel Mountains: Millard Canyon north of Pasadena. 915 Comment
  RSA747141  Pellaea mucronata subsp. mucronata R. G. Swinney 2008-6-9 8972 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  CHSC100408  Pellaea mucronata var. californica John Dittes; Josephine Guardino 2008-2-23 1506 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Aliso Cyn; ca. 6.5 air-miles SE of Acton, ca. 2.6 air-miles N of Mill Creek Summit, 1.1 air-mile S x SE of Angeles Forest Highway and Santiago Truck Trail intersection. 1197 Comment
  CHSC95752  Pellaea mucronata var. mucronata Joseph Marlowe Keefe 2001-1-19 30983 Los Angeles Vergudo Mountains. Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, CA 91040. 384 Comment
  UC1063630  Pellaea mucronata var. mucronata F. H. Raymond 1930-1-29 48 Los Angeles head Corral Canyon; Calabasas Quadrangle 670 Comment
  RSA162795  Pellaea mucronata var. mucronata J. D. Olmsted 1959-8-11 1077 Los Angeles San Gabriel Mountains: Climbing out of ridge north of Fish Fork, 400 ft above 6th falls. 1402 Comment
  UC223690  Pellaea mucronata var. mucronata C. F. Millspaugh 1920-2-3 4655 Los Angeles Equestrian Trail above Avalon Canyon; Santa Catalina Isl. Comment
  CHSC60214  Pennisetum setaceum L. Mayer; I. Mayer 1974-4-6 145 Los Angeles Topanga Canyon Road, ca. 3 1/2 mi ne of Hwy 1. Comment
  UCR178219  Pennisetum setaceum LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains, Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley 366 Comment
  RSA0040383  Penstemon centranthifolius R. G. Swinney 2010-5-11 12650 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  UCR142907  Penstemon cordifolius C. B. Wolf 1931-7-30 2297 Los Angeles Santa Susana Mtns, Base of Newhall Grade, 0.25 mi above crossing of the Los Angeles Aqueduct 457 Comment
  UC1584223  Penstemon grinnellii Tim Ross and Steve Boyd 1990-5-17 2595 Los Angeles Mill Creek Tree Plantation, Tujunga District San Gabriel Mts., Angeles National Forest 1612 Comment
  RSA563498  Penstemon grinnellii subsp. grinnellii Tim S. Ross, W. Appleby 1993-5-13 7111 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  RSA97112  Penstemon grinnellii subsp. grinnellii R. M. Straw 1954-6-17 629 Los Angeles Red Box Canyon, 2 miles west of road junction; Angeles National Forest, San Gabriel Mountains. Comment
  RSA407920  Penstemon heterophyllus subsp. australis Howard Mullins 1931-5-1 s.n. Los Angeles Flintridge Hills Comment
  CAS-BOT-BC523914  Penstemon heterophyllus var. australis Mitch Provance 2009-6-24 0609 -2 Los Angeles Western Transverse Range: about 5 mi SE of Pyramid Lake, c. 0.5 mi SE of Whitaker Summit on Golden State HIghway, adjacent to I-5 820 Comment
  UCSB31539  Penstemon heterophyllus var. australis Griesel, Wesley 1962-7-6 Los Angeles Tapia Park; Santa Monica Mts 152 Comment
  NY650698  Penstemon rostriflorus L. Abrams 1908-7-5 627 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1981.2 Comment
  SFV10462  Penstemon speciosus M. L. Vincent 1964-6-24 593 Los Angeles San Gabriel Mountains Wrightwood Road near main ranger station. 2090 Comment
  UCR124870  Penstemon spectabilis B. C. Templeton 1933-5-15 5126 Los Angeles Southern Coastal Plain, Highland Ave., Los Angeles 152 Comment
  RSA401900  Penstemon spectabilis I. W. Clokey, Bonnie C. Templeton 1929-3-26 4475 Los Angeles Open rocky ridge. 300 Comment
  UCD124336  Penstemon spectabilis var. subviscosus Geoffrey Levin 1974-5-2 67 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  POM351585  Pentachaeta lyonii F. R. Fosberg 1931-7-15 S 5416 Los Angeles Isthmus, Santa Catalina Island. 20 Comment
  CATA51  Pentagramma triangularis USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 30 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA0060344  Pentagramma triangularis Lyman Benson 1945-5-11 11697 Los Angeles Canyon below Johnson's Pasture, Claremont. San Gabriel Mountains, Pacific Slope drainage. 549 Comment
  RSA0070817  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-31 2742 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UCR272614  Pentagramma triangularis R. G. Swinney 2011-10-27 15904 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  RSA0073131  Pentagramma triangularis Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 30 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  LA94188  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1662 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  LA94197  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1693 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  SBBG38819  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-11-24 7341 Los Angeles head of canyon, Mosquito Summit Comment
  RSA687379  Pentagramma triangularis subsp. triangularis M. Bisbee 1917-5-3 s.n. Los Angeles Hills north side Eagle Rock Valley Comment
  UC1375300  Perideridia parishii subsp. latifolia Robert F. Thorne 1971-8-25 41307 Los Angeles Windy Spring San Gabriel Mts., Angeles National Forest, Mt. Islip (n slope of mt.) 2255 Comment
  CAS-BOT-BC355975  Perityle emoryi David B. Weissman 1971-7-7 277 Los Angeles Santa Barbara Island. Seacliff area above Graveyard Canyon 60 Comment
  SEINET3923794  Persicaria lapathifolia Steve Boyd, L. Raz 1996-10-14 9030 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.; 0 671 Comment
  POM145740  Petalonyx thurberi subsp. thurberi Thomas Craig 1927-6-19 460 Los Angeles Soledad Canyon Road near west junction with Mint Canon Road. [canyon] Comment
  RSA426152  Phacelia bicolor Robert M. Perkins 1935-4-14 60 Los Angeles Near Lancaster, on the desert. Comment
  PASA1371  Phacelia californica var. bernardina Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA0115819  Phacelia cicutaria Steven A. Junak 1999-7-17 SCa- 1074 Los Angeles Santa Catalina Island. Cape Canyon, plant stop. 238 Comment
  RSA599569  Phacelia cicutaria var. hispida Steve Boyd, Lauren Raz 1997-4-16 9531 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SD38325  Phacelia cicutaria var. hispida Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  UC1584866  Phacelia cicutaria var. hispida Tim Ross 1991-4-8 4459 Los Angeles mesic nw slope of hill San Dimas USGS 7.5' quadrangle, western Pomona, Elephant Hil 228 Comment
  POM427627  Phacelia cicutaria var. hispida Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon. Santa Catalina Island Comment
  RSA667600  Phacelia ciliata Steve Boyd, Lee Lenz 2001-5-2 10420 Los Angeles Along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. [Latitude should be 34 instead of 36] Comment
  RSA203068  Phacelia ciliata James Henrickson 1966-4-17 2258 Los Angeles 14 miles east of Gorman along Hy 138. Comment
  SBBG126051  Phacelia cryptantha J. M. Wood 2010-5-10 1566 Los Angeles Little Rock Crk, downstream of Little Rock Reservoir, within 0.25 mi of the dam; San Gabriel Mtns 966 Comment
  UC791061  Phacelia curvipes H. and M. Lewis 1947-4-13 2 Los Angeles Valvermo-Pearblossom Antelope Valley Comment
  UCR189724  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  SD186244  Phacelia distans A. C. Sanders 2003-3-14 25753 Los Angeles Abandoned gravel pit on bundary between Irwindale and Azusa, east of Irwindale Ave. 519 Comment
  SD41347  Phacelia distans Edith A. Purer 1932-3-15 2694 Los Angeles El Segundo Comment
  UC1181202  Phacelia grandiflora P. C. Everett and E. K. Balls 1959-6-2 23854 Los Angeles 0.5 mi n jct. of Mulholland Drive and road to Backus; Santa Monica Mountains 609 Comment
  RSA29721  Phacelia grandiflora Louis C. Wheeler 1932-5-25 761 Los Angeles Santa Monica Mountains: Sepulveda Canyon. 244 Comment
  RSA0116160  Phacelia imbricata A. C. Sanders 2006-5-16 32339 Los Angeles Tehachapi Mtns. Foothills: along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct. 1012 Comment
  SFV3018  Phacelia imbricata K. A. Wilson 1962-5-12 1277 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  UC450769  Phacelia imbricata subsp. imbricata F. A. MacF. 1931-4-10 2932 Los Angeles Tuna Canyon Verdugo Hills Comment
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Jul 1 2014
  RSA0021966  Phacelia longipes Duncan S. Bell, Caitlin Elam 2013-6-24 5278 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UCR131370  Phacelia longipes Jeremiah George 2001-5-8 7 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
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Apr 24 2016
  POM158286  Phacelia lyonii M. B. Dunkle 1928-5-12 1929 Los Angeles Empine Landing. Santa Catalina Island. 213 Comment
  UC1426037  Phacelia lyonii Robert F. Thorne 1966-4-16 36045 Los Angeles 1/2 mi sse Eel Point (sw side of island, rocky slope above pebbly beach); San Clemente 1 Comment
  RSA0085403  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA608352  Phacelia minor Louis C. Wheeler 1931-2-22 s.n. Los Angeles Sargents Grove: (vicinity of Claremont). Comment
  UC1174695  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  UCSB49070  Phacelia parryi Lestak, Leanne 1978-4-1 Los Angeles Heading south of Kanan Road in Agoura, turn right on Triunfo Canyon Road, travel about 2 miles down road, on south side, 20 ft. off road 297 Comment
  CAS-BOT-BC226232  Phacelia ramosissima Jeremiah George 2011-6-20 s.n. Los Angeles South Coast: Palos Verdes Estates, just east of junction of Palos Verdes Dr. North and Pso [Paseo] del Campo 92 Comment
  UCR45024  Phacelia ramosissima var. austrolitoralis A. C. Sanders 1986-7-30 6825 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  LA38546  Phacelia tanacetifolia Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA660460  Phacelia tanacetifolia Mary C. Hunter 1994-5-23 9 Los Angeles South Pasadena (Mission and Fair oaks Backyard). Comment
  UCSB12546  Phalaris aquatica Hochberg, Fred 1961-3-17 Los Angeles North corner of Work Barn, Middle Ranch, Middle Canyon, Catalina Island Comment
  CAS-BOT-BC259058  Phalaris lemmonii Frank W. Gould 1944-4-12 2281 Los Angeles Near corner of Western Ave. and 131st Street Comment
  UCR229490  Pholisma arenarium Jeremiah George 2011-7-12 s.n. Los Angeles South Coast, Palos Verdes Estates, just off Palos Verdes Dr. North Comment
  RSA435568  Pholisma arenarium Bonnie C. Templeton 1946-4-30 6792 Los Angeles Near Little Rock, Los Angeles county. Comment
  RSA790930  Pholistoma auritum Doris Bowers 1973-4-24 1985 Los Angeles N/o Hughes Market on Hawthorne Blvd. 305 Comment
  SD86350  Pholistoma auritum var. auritum R. Mitchel Beauchamp, M. Douglas 1972-3-24 3220 Los Angeles San Clemente Island, on shady canyon bottom 99 Comment
  RSA526519  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4258 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SD215691  Phoradendron leucarpum subsp. tomentosum Timothy S. Ross, Steve Boyd, Orlando Mistretta & Peter W. Fritsch 1990-6-25 3848 Los Angeles Crystal Lake USGS 7.5' Quad. 1676 Comment
  RSA585447  Phoradendron macrophyllum Tim S. Ross 1990-5-29 2675 Los Angeles Valyermo: at Valyermo Ranger District Office Angeles National Forest. 1134 Comment
  RSA585825  Phoradendron macrophyllum Tim S. Ross 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest, ca 1.5 linear miles E of Agua Dulce Canyon. 622 Comment
  UCR191537  Phoradendron pauciflorum R. G. Swinney 1998-7-8 6327 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA434513  Phyla nodiflora Helen H. Smith 1936-7-30 19393 Los Angeles 2623 1/2 Ellendale Pl. Los Angeles. Comment
  UCR93944  Phyllospadix torreyi P. J. MacKay, T. Thomas 1996-8-31 s.n. Los Angeles Leo Carillo State Beach 0 Comment
  RSA684037  Phyllospadix torreyi E. Yale Dawson 1958-5-22 19131 Los Angeles Latigo Shore Road, Malibu Beach. Station no 19. Pool at 260 ft from shore base point. Comment
  POM4175  Physalis philadelphica D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  RSA423757  Physalis philadelphica E. S. Spalding 1922-11-30 s.n. Los Angeles Near Glendale. Comment
  RSA506199  Physalis philadelphica Louis C. Wheeler 1966-10-25 9067 Los Angeles 1/4 mile N of El Encanto, San Gabriel Canyon.. . Comment
  RSA748404  Picris echioides R. G. Swinney 2008-4-4 8604 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  UCR256173  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-21 13846 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  UCR181125  Pinus jeffreyi R. G. Swinney 1997-4-25 5500 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  HSC1512  Pinus lambertiana C. E. Fellows 1965-9-7 155 Los Angeles 17 mi. up Angeles Crest Hwy. from Charlton Flats info station 1829 Comment
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Oct 3 2014
  UCR259987  Pinus lambertiana R. G. Swinney 2010-10-8 14007 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  CAS-BOT-BC78867  Pinus monophylla Le Roy Abrams; E. A. McGregor 1908-7-5 669 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1158 Comment
  RSA169006  Pinus ponderosa Mark Parratt 1964-4-8 620 Los Angeles Charlton Flats Recreation Area; Angeles Crest Highway 1616 Comment
  CATA3108  Piperia cooperi Amy Catalano 2016-5-18 112 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 300 meters east of fruit orchard, on south side of road 235 Comment
  SBBG13828  Piperia cooperi E. R. Blakley 1962-10-5 5438 Los Angeles ca. 2 mi from Rancho Escondido on the rd toward the airport 228 Comment
  CATA2945  Piperia elongata Sarah Ratay, Tyler Dvorak 2010-7-1 125 Los Angeles Santa Catalina Island: Blackjack/Cape Road 422 Comment
  SEINET3161355  Pittosporum undulatum G. B. Grant sn Los Angeles Pasadena Comment
  UC1069012  Plagiobothrys arizonicus A. D. Gifford 1935-3-31 530 Los Angeles 5 6/10 mi nw Redrock Mountain; Angeles National Forest, Tejon Quadrangle Comment
  UCR126729  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin 2003-4-14 25957 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR189249  Plagiobothrys arizonicus R. G. Swinney 1998-5-16 6079 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA595331  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA626098  Plagiobothrys arizonicus LeRoy Gross 1999-4-29 156 Los Angeles Sierra Pelona Mountains. 1371 Comment
  RSA715201  Plagiobothrys arizonicus Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1934 Los Angeles West of Palmdale, north end of Munz Ranch road. Comment
  CATA2009  Plagiobothrys canescens Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-3-21 501 Los Angeles Santa Catalina Island: On ridgetop just S of Cape Canyon Road, ca. 3.1 road miles from top of Black Jack Road 310 Comment
  RSA777216  Plagiobothrys canescens Orlando Mistretta, Christine Mistretta 2010-5-19 5131 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR127897  Plagiobothrys canescens A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26103 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  UCR150669  Plagiobothrys canescens James Henrickson 2000-4-15 20684 2 Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  UCR258930  Plagiobothrys canescens R. G. Swinney 2010-4-23 12338 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA188019  Plagiobothrys canescens var. catalinensis R. F. Thorne 1966-4-28 36255 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
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Jan 31 2008
  POM50665  Plagiobothrys nothofulvus L. R. Abrams 1901-4-4 1327 Los Angeles Chatsworth Park. Comment
  VVC3395  Plagiobothrys nothofulvus Tim Thomas 1973-4-24 13 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  POM368890  Plagiobothrys nothofulvus Sam Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon 396 Comment
  UCR125900  Plantago indica A. C. Sanders, Mark Elvin, et al 2002-6-26 25300 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  CATA1053  Plantago lanceolata Mark L. Hoefs 1995-5-10 1985 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  SBBG31209  Plantago major R. F. Thorne 1966-6-1 36485 Los Angeles of razed St. Catherine's Hotel, N of Avalon 4 Comment
  UCR68934  Plantago ovata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4219 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA733744  Platanthera Richard G. Swinney 1999-8-14 7622 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA286662  Platanthera leucostachys Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44757 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big Rock Creek 2439 Comment
  LA206328  Platanus racemosa W. B. Welch; 1928-4-15 sn Los Angeles Big Tujunga Wash Comment
  LA206346  Platanus racemosa W. B. Welch; 1928-4-15 51 Los Angeles San Gabriel Mountains, Big Tujunga Comment
  CAS-BOT-BC91662  Platystemon californicus Geo. B. Grant 1901-4-1 1008 Los Angeles Garvanza. Comment
  CAS-BOT-BC91667  Platystemon californicus C. F. Baker 1909-5-15 5328 Los Angeles Claremont. Comment
  RSA600718  Platystemon californicus Louis C. Wheeler 1955-4-17 7135 Los Angeles Little Rock Creek at confluence with Bare Mountain Canyon.. . Comment
  UCR192586  Platystemon californicus A. C. Sanders 2008-4-10 34798 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  POM8023  Platystemon californicus F. L. Robinson 1920-1 s.n. Los Angeles Claremont. Comment
  POM215933  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1935-4-25 3439 Los Angeles Placerita Canyon. 457 Comment
  SBBG131544  Poa annua S. A. Junak 1999-7-16 SCa 1044 Los Angeles near pier at Two Harbors 4 Comment
  SEINET13297586 Image available Poa howellii R. G. Swinney 2011-1 14770 B Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  POM296918A  Poa secunda Lyman Benson 1945-3-30 11649 Los Angeles Canyon at Padua Hills above Claremont. Altitude 1800 feet. 549 Comment
  RSA0098775  Poa secunda Richard G. Swinney 2011-7-8 15515 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA728343  Poa secunda Gary D. Wallace 1982-4-17 1901 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCR25115  Poa secunda John C. Roos, L. Roos 1951-5-27 5055 Los Angeles Mojave Desert, flats between Lancaster and Rosamond 701 Comment
  RSA715207  Poa secunda Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1940 Los Angeles Fort Tejon Road. Comment
  RSA484165  Poa secunda subsp. secunda George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA653846  Poa secunda subsp. secunda Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 763 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 487 Comment
  UCD91683  Poa secunda subsp. secunda P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links. Comment
  JEPS27117  Polygala cornuta var. fishiae A. Davidson 1893-1 Los Angeles Mt. Wilson Comment
  RSA460139  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-19 s.n. Los Angeles Crater Camp, Near Calabasas Comment
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Jan 14 2008
  RSA606308  Polygala cornuta var. fishiae Jon E. Keeley 1993-6-24 22827 Los Angeles Glen behind greenhouse at Soka University off La Virgenes Rd. 300 Comment
  LA4300  Polypodium californicum Carl Epling; Lincoln Ellison 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM296977  Polypodium californicum Karen Hosterman 1957-4-8 965 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA0080075  Polypodium californicum R. G. Swinney 2010-6-4 13048 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  UC42885  Polypodium californicum R. S. Norris Apr. 1893 Los Angeles Catalina Island Comment
  UCR208041  Polypodium californicum P. A. Munz 1923-4-9 6653 Los Angeles Channel Islands, San Clemente Island, east coast Comment
  UCSB62416  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill, San Dimas Comment
  POM12210  Polypodium californicum M. L. Kendall 1921-2-11 56 Los Angeles Fish Canyon. Comment
  POM177976  Polypodium californicum Joseph A. Ewan 1931-3-21 4061 Los Angeles Los Flores Canyon, Santa Monica Mountains Comment
  RSA689899  Polypodium californicum I. M. Johnston, Clare De Forest 1925-5-16 s.n. Los Angeles Hollywood Mountain Comment
  UCSB62330  Polypodium californicum Kiefer, Lawrence 1967-1-7 Los Angeles San Gabriel Mtns., Pacoima Canyon, near confluence with its S fork 944 Comment
  SEINET10593589  Polypogon monspeliensis Camp 1912-6-11 CAMP s.n. Los Angeles Claremont Comment
  UCR169084  Polypogon viridis A. C. Sanders, Mark Elvin 2002-6-20 25224 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  POM806  Polystichum imbricans subsp. imbricans C. F. Baker 1903-8-2 3674 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA693291  Polystichum imbricans subsp. imbricans L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  RSA681338  Populus balsamifera subsp. trichocarpa LeRoy Gross, Valerie Soza 2003-5-15 919 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 366 Comment
  UCR223031  Populus fremontii R. G. Swinney 2009-5-6 10668 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  LA208529  Populus fremontii subsp. fremontii Louis C. Wheeler; 1932-4-9 574 Los Angeles Kings Cayon, near Elizbenth Lake 1036 Comment
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Oct 22 2014
  RSA65688  Portulaca oleracea F. W. Peirson 1861 Los Angeles Altadena. Comment
  POM11428  Prunus emarginata Philip A. Munz 1921-6-17 4606 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  SBBG118739  Prunus emarginata L. Gross with P. Morton 2004-6-9 1350 Los Angeles W end of main crest; S from Pacific Crest Trail along rd 7N23 past the 2nd Pacific Crest Trail that exits to the N; W of Bear Gulch Camp; T7N R17W S12,11,10&3 1727 Comment
  OBI26245  Prunus ilicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Cyn, San Bernardino Mts 792 Comment
  RSA497992  Prunus ilicifolia Freda Detmers 1931-5-17 s.n. Los Angeles Hillside, Mint Canyon. Comment
  RSA682612  Prunus ilicifolia Scott D. White, Michael Honer 2003-5-7 9222 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  LA200822  Prunus ilicifolia subsp. ilicifolia A. M. Johnson; 1934-3-16 4347 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  UC1922295  Prunus ilicifolia subsp. ilicifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 Los Angeles Verdugo Mountains; south side, Stough Canyon. Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  CAS-BOT-BC154558  Prunus ilicifolia subsp. lyonii Alice Eastwood 1917-7-20 s.n. Los Angeles Santa Catalina Island Comment
  UCR214642  Prunus lyonii A. C. Sanders, Dan S. Cooper 2010-3-12 37373 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC1587614  Prunus persica Tim Ross 1991-4-21 4499 Los Angeles Whittier Hills (Puente Hills, pro parte) drainage near mouth of Turnbull Canyon Turnbull Canyon; Whittier Hills, Turnbull Canyon 153 Comment
  SEINET3840706  Prunus persica Unknown 1939-7-5 157 Los Angeles Los Angeles, Dr. Doyles garden Comment
  UCR182492  Prunus virginiana var. demissa R. G. Swinney 1997-7-22 5693 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  UCR275504  Pseudognaphalium beneolens D. E. Bramlet 2011-8-17 4927 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  CAS-BOT-BC356569  Pseudognaphalium biolettii Alice Eastwood 1917-7-20 6470 Los Angeles Santa Catalina Island Comment
  JEPS23714  Pseudognaphalium biolettii Peter H. Raven 1959-2-15 13786 Los Angeles 2.6. mi n Sunset Blvd; Santa monica Mountains, Beverly Glen Canyon 213 Comment
  RSA158252  Pseudognaphalium biolettii Peter H. Raven 1962-4-11 17287 Los Angeles On large dune north of a point due west of Wall 2, San Clemente Island. 9 Comment
  RSA712717  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UC792405  Pseudognaphalium biolettii Ira L. Wiggins 1949-2-21 11957 Los Angeles Wilson's Cove San Clemente Island, Wilson's Cove Comment
  UCD135040  Pseudognaphalium biolettii F. R. Fosberg 1931-4-22 S 4324 Los Angeles Hamilton Canyon, Santa Catalina Island. 60 Comment
  CAS-BOT-BC356702  Pseudognaphalium californicum LeRoy Abrams 1902-6-15 2547 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  RSA0091122  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  SBBG94273  Pseudognaphalium californicum F. R. Fosberg 1931-4-2 4449 Los Angeles Camp Frost 300 Comment
  CAS-BOT-BC356722  Pseudognaphalium californicum A. J. McC. 1892-3-19 101 Los Angeles Pasadena Comment
  SD240862  Pseudognaphalium luteoalbum R. G. Swinney 2009-3-31 10220 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 0.7 - 1.2 mi. north and NE of Foothill Blvd., Azusa /Duarte. 188 Comment
  LA209928  Pseudognaphalium microcephalum Harlan Lewis; 1940-7-12 Los Angeles Campus of University of California at Los Angeles Comment
  HSC1580  Pseudotsuga macrocarpa C. E. Fellows 1965-9-7 152 Los Angeles 14 mi past Charlton Flats info station on Mt. Wilson Rd. 1524 Comment
  RSA384629  Pseudotsuga macrocarpa L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA585760  Pseudotsuga macrocarpa Orlando Mistretta 1995-7-11 1873 A Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  SDSU21061  Pseudotsuga macrocarpa Ian Cain, Natasha Bartely 2010-6-21 1534 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  NY63566  Pseudotsuga macrocarpa V. Duran 1933-7-27 3537 Los Angeles 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
  CAS-BOT-BC421198  Pterostegia drymarioides John H. Thomas 1957-5-11 6749 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  RSA747734  Pterostegia drymarioides Scott D. White, J. Wood, J. Miner 2009-5-12 12698 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR223735  Pycnanthemum californicum R. G. Swinney 2009-6-12 11141 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA0080559  Pyrola dentata L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Will Thrall Park, halfway between Burkhart Saddle and Mossy Spring. 2073 Comment
  CAS-BOT-BC45785  Quercus Marcus E. Jones 1923-10-10 s.n. Los Angeles Cajon Pass Comment
  UCSB27991  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  SEINET4077592  Quercus agrifolia Unknown 1904-1 Los Angeles Pasadena. Comment
  UC440371  Quercus agrifolia Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  SD253457  Quercus agrifolia var. agrifolia R. G. Swinney 2011-11-3 15987 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre (Mt Wilson 7.5'Q) 622 Comment
  RSA671251  Quercus agrifolia var. agrifolia R. E. Riefner Jr. 2000-8-29 749 Los Angeles N of Azusa, Hwy 39, canyons alonf Morris Reservoir. Comment
  SFV12014  Quercus berberidifolia D. L. Koutnik, B. Holguin 1978-4-1 223 Los Angeles San Gabriel Mountains Northwest of Palmdale on Elizabeth Lake Road. 915 Comment
  UC1870280  Quercus berberidifolia LeRoy Gross 2000-11-12 330 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. Near road, area cleared for fire safety 411 Comment
  RSA642688  Quercus chrysolepis Orlando Mistretta 1992-7-14 706 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC310498  Quercus chrysolepis Popenoe Los Angeles n of Claremont Comment
  POM9637  Quercus chrysolepis P. A. Munz 1920-12-5 4398 Los Angeles Claremont. 366 Comment
  CAS-BOT-BC86205  Quercus dumosa Peter H. Raven 1959-3-8 13838 Los Angeles Santa Monica Mountains. On Mulholland Drive 5.0 miles W of Topanga Canyon 365 Comment
  JEPS39827  Quercus dumosa H. L. Bauer 1931-12-20 1 Los Angeles Santa Monica Mts. 670 Comment
  UCR130587  Quercus durata var. gabrielensis R. E. Riefner Jr. 2000-8-29 00- 760 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
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Apr 28 2009
  UCR255945  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Transverse Ranges; San Gabriel Mountains, middle of Maple Canyon, 490 m east of Big Tujunga Rd. & 477 m west of Angeles Forest Hwy 786 Comment
  SBBG44652  Quercus engelmannii W. B. Holt 1941-10-31 24 -1941 Los Angeles Monrovia Comment
  UC1135785  Quercus john-tuckeri H. A. Jensen 1933-6-1 322 Los Angeles Rock Creek Rock Creek Quad. 1706 Comment
  UCD166562  Quercus john-tuckeri Dylan O. Burge 2016-2-23 2091 Los Angeles Agua Dulce Canyon, roadside on Agua Dulce Canyon Road. 655 Comment
  UCD34115  Quercus john-tuckeri Beecher Crampton 1976-9-21 9410 Los Angeles Los Angeles County, ca. 10 miles east of Sangus on state Hwy. 14, Agua Dulce Canyon area. Comment
  CAS-BOT-BC105251  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8031 Los Angeles Liebre Mountains. Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  JEPS38025  Quercus kelloggii Frank W. Peirson Jul 3 1921-May 26 1923 1708 Los Angeles Rock Creek San Gabriel Mountains Comment
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Mar 29 2014
  UC625054  Quercus pacifica F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  UCD45313  Quercus pacifica Ralph Day 1949-9 s.n. Los Angeles Catalina Island, Los Angeles County, California. Comment
  RSA157781  Quercus tomentella Peter H. Raven 1962-5-10 17720 Los Angeles Head of north branch of canyon north of Gray, San Clemente Island 488 Comment
  RSA177661  Quercus tomentella Robert F. Thorne, Everett 1965-5-10 34502 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SEINET4078777  Quercus tomentella M. B. Dunkle 1939-1 7357 Los Angeles San Clemente Island. Comment
  RSA597133  Quercus wislizeni var. frutescens Louis C. Wheeler 1961-6-12 7864 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1059 Comment
  RSA87153  Quercus wislizeni var. frutescens F. W. Peirson 1919-5-10 403 Los Angeles Trail from Arraster [Arrastre] Creek to Mt. Gleason, San Gabriel Mts 1524 Comment
  RSA188369  Rafinesquia californica R. F. Thorne, Percy C. Everett 1965-6-22 34888 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  UC284970  Rafinesquia californica P. A. Munz 1923-4-10 6755 Los Angeles canyon on w coast San Clemente Island Comment
  POM11993  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas. Sluggish brook east of Puddingstone Canyon. 366 Comment
  UCSB41832  Ranunculus californicus Fraser, J. 1970-3-9 Los Angeles half way down the first hill from Gate #6 off San Dimas Road. Puddingstone Resevoir area. 548 Comment
  CAS-BOT-BC378871  Ranunculus californicus var. californicus R. S. Woglum 1932-4-1 s.n. Los Angeles North Hollywood Comment
  SBBG18364  Ranunculus cymbalaria M. A. Piehl 1963-8-8 63829 Los Angeles NW of Big Pine Rec Area Comment
  SEINET3161113  Ranunculus hebecarpus G. B. Grant 1110 Los Angeles Pasadena Comment
  CAS-BOT-BC427518  Reseda alba Johnson 1939-4-10 s.n. Los Angeles Los Angeles Comment
  RSA771594  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR277076  Rhamnus californica R. G. Swinney 2011-6-7 15093 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  POM243765  Rhamnus californica subsp. californica Carl B. Wolf 1936-5-27 7843 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  RSA160399  Rhamnus californica subsp. californica J. D. Olmsted 1959-3-27 323 Los Angeles By stream gaging station below San Dimas ranger station. South slope, San Dimas Creek drainage area; alluvial soil. 488 Comment
  UCR273655  Rhamnus californica subsp. californica R. G. Swinney 2011-7-8 15517 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  CAS-BOT-BC59845  Rhamnus ilicifolia J. Grinnell 1903-8-1 s.n. Los Angeles Pasadena. Comment
  RSA390834  Rhamnus ilicifolia E. Crow 1928-10-21 6 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA590513  Rhamnus ilicifolia Tim S. Ross, W. Appleby 1993-5-20 7203 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  UC1121872  Rhamnus ilicifolia A. D. Gifford 1934-4-26 171 Los Angeles Head of Ramera Canyon Triunfo Pass Quad. 609 Comment
  UC18551  Rhamnus ilicifolia J. Burtt Davy May 9 1896-May 24 1896 2541 Los Angeles Oak Canyon Antelope Valley, Manzana Comment
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Apr 10 2012
  UCR186748  Rhamnus ilicifolia T. B. Salvato, Sandra Murcia 2007-3-28 2004 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  UCR271671  Rhamnus ilicifolia R. G. Swinney 2011-5-31 14920 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  RSA0037468  Rhododendron Larissa L. Yates 2014-4-24 12 Los Angeles Downtown Claremont. Along 1st street between Cornell Ave. and College Ave. 350 Comment
  CAS-BOT-BC168134  Rhus aromatica J. Grinnell 1903-7-30 s.n. Los Angeles Arroyo Seco near Pasadena Comment
  UCR270529  Rhus aromatica R. G. Swinney 2011-3-22 14181 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  CAS-BOT-BC170447  Rhus integrifolia Carl B. Wolf 1927-12-31 1465 Los Angeles Hills at west side of town Eagle Rock Comment
  RSA248839  Rhus integrifolia R. F. Thorne 1973-4-11 42855 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA613160  Rhus integrifolia L. C. Wheeler 1933-3-17 1539 Los Angeles Claremont. 366 Comment
  RSA614156  Rhus integrifolia J. Gural, Valerie Soza 1997-3-26 16 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  SBBG20514  Rhus integrifolia E. R. Blakley 1963-12-7 6328 Los Angeles mouth of first large cyn W of Pyramid Head toward Pyramid Cove 22 Comment
  UCR217438  Rhus integrifolia R. G. Swinney 2009-2-26 10038 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  RSA0031690  Rhus laurina M. J. Schoenfeld 1967-8-21 8 Los Angeles Glendale Foothills. 213 Comment
  UCR125611  Rhus laurina A. C. Sanders 2003-5-22 26827 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  SEINET12235096  Rhus laurina J. F. Bright, Wyman, C. 1931-1 5474 Los Angeles near Pasadena Comment
  CAS-BOT-BC167940  Rhus ovata Louis C. Wheeler 1931-11-11 341 Los Angeles 2 mi. SW Girard, Santa Monica Mts. 426 Comment
  POM2722  Rhus ovata I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon Wash (Between upland and Claremont) 365 Comment
  SBBG13595  Rhus ovata P. H. Raven 1962-5-2 17803 Los Angeles upper Bullrush Cyn, on W side 289 Comment
  SD90466  Rhus ovata Robert F. Thorne 1970-3-5 39375 Los Angeles Upper Avalon Canyon, Santa Catalina Island. Comment
  SEINET13297612 Image available Rhus ovata R. G. Swinney 2011-1 15994 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre (Mt. Wilson 7.5' Q.) (T1N R11W S9) 549 Comment
  RSA786328  Rhus trilobata K. Dobry 1991-3-23 255 Los Angeles Santa Monica Mts. Cold Creek Cyn Montifish Prop Comment
  UC1584258  Rhus trilobata Tim Ross, Steve Boyd 1990-6-6 2832 Los Angeles Green Valley Pasture; San Francisquito Canyon 926 Comment
  RSA317215  Rhus trilobata var. anisophylla Michael C. Long 1974-5-19 s.n. Los Angeles Deviel s Punchbowl Co. Park, 0.5 mi. N of Parking area. Comment
  RSA18526  Rhus trilobata var. pilosissima C. B. Wolf 1927-7-24 672 Los Angeles 1/2 mile east of Montrose Comment
  IRVC28591  Ribes aureum A. C. Sanders, Mark Elvin 2002-6-19 25188 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UC567234  Ribes aureum A. E. Wieslander 1931-2-19 151 Los Angeles San Gabriel Wash Pomona Quadrangle 167 Comment
  CAS-BOT-BC92443  Ribes aureum var. gracillimum L. Street 1919-3-16 2399 Los Angeles Lone Hill. Comment
  RSA476436  Ribes aureum var. gracillimum Robert Gustafson, Gary D. Wallace 1982-4-14 2507 Los Angeles Gold Hill, Monrovia; southern base of the San Gabriel Mts. Comment
  SFV1606  Ribes aureum var. gracillimum C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Malibu Canyon Road, 6 miles from Highway 101, by the Honor Camp equipment yard. 180 Comment
  RSA0064061  Ribes cereum R. G. Swinney 2010-10-13 14014 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UC1127410  Ribes cereum A. Lewis 1932-6-18 118 Los Angeles 2 mi n Prairie Fork; San Antonio Quadrangle Comment
  RSA188502  Ribes cereum var. cereum Robert F. Thorne 1965-8-26 35354 Los Angeles San Gabriel Mountains; Angeles National Forest, near top of Blue Ridge SE of Holiday Hill Ski Lift 2561 Comment
  SEINET13942497 Image available Ribes hesperium Peter H. Raven 1959-1 13789 Los Angeles Benedict Canyon at Mullholland Drive, elevation 1100 feet 335 Comment
  CAS-BOT-BC173113  Ribes indecorum Louis C. Wheeler 1946-12-14 6453 Los Angeles San Gabriel Mountains: San Dimas Canyon 502 Comment
  UC11551  Ribes indecorum W. H. Brewer Feb. 1861 182 Los Angeles Cahuenga Pass Comment
  LA200839  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR182256  Ribes malvaceum R. G. Swinney, Dave Larson 1998-4-26 6043 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  CAS-BOT-BC219182  Ribes nevadense Le Roy Abrams; E. A. McGregor 1908-7-5 651 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1981 Comment
  RSA239254  Ribes nevadense Robert F. Thorne 1969-7-2 38330 Los Angeles Cortelyou Spring ca. 1 mile E of Islip saddle, on Angeles Crest Hwy. 2073 Comment
  UCR185575  Ribes quercetorum A. C. Sanders, T. B. Salvato 2007-4-25 33546 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  RSA567152  Ribes roezlii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3887 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  CAS-BOT-BC186164  Ribes roezlii var. roezlii Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., Big Pines Camp Comment
  POM106  Ribes speciosum L. R. Abrams 1902-6-17 6388 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA652587  Ribes speciosum George Maruko 1948-2-23 s.n. Los Angeles Griffith Park, Los Angeles Comment
  RSA187679  Ribes viburnifolium Robert F. Thorne 1966-9-15 36685 Los Angeles Santa Catalina Island, W end of island 152 Comment
  RSA454974  Ribes viburnifolium Anstruther Davidson 1894-04 s.n. Los Angeles Catalina Island Comment
  SBBG128380  Ribes viburnifolium M. L. Hoefs 1991-4-7 1040 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  UCR141313  Ribes viburnifolium R. F. Thorne 1977-3-22 45760 Los Angeles Santa Catalina Island, ENE slope of Blackjack Mine 457 Comment
  UCR210083  Ricinus communis R. G. Swinney 2008-10-20 9639 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  CAS-BOT-BC92183  Romneya trichocalyx Theodore Payne 1938-10-1 s.n. Los Angeles Los Angeles. Comment
  PASA2071  Rorippa nasturtium-aquaticum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA449700  Rosa californica Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA451663  Rosa woodsii subsp. gratissima Unspecified s.n. Los Angeles On the trail to Flumes 4 and 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  UCR201831  Rosmarinus officinalis Scott D. White, Justin M. Wood 2008-10-7 12547 Los Angeles San Gabriel Mountains, Rincon Red Box Road at north fork of Santa Anita Canyon, near Newcomb Pass 1235 Comment
  RSA733183  Rubus leucodermis R. G. Swinney 1998-8-17 6763 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  UC1128622  Rubus ursinus A. D. Gifford 1935-5-8 697 Los Angeles 4 3/4 mi ene Warm Springs; Angeles National Forest, Tejon Quad. Comment
  UC447173  Rubus ursinus J. Ewan 1931-3-21 4063 Los Angeles Los Flores Canyon Santa Monica Mts., Los Flores Canyon (at old ranch site) 457 Comment
  CATA1688  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2983 Los Angeles Santa Catalina Island: Middle Ranch Reservoir 188 Comment
  SBBG121655  Rumex conglomeratus S. D. White, A. Warniment 2006-7-7 11610 Los Angeles Gorman Crk, NE of Interstate 5, Gorman area 1037 Comment
  SBBG12108  Rumex crispus P. H. Raven 1962-4-10 17189 Los Angeles above Wilson Cove 91 Comment
  SEINET11264931  Rumex crispus Jennifer H. Jones 2006-6-4 375 Los Angeles Transverse Ranges. Foothills of San Gabriel Mtns. SW of Claremont Wilderness Park near the W end of Pomello Drive. (Mt. Baldy 7.5' Q.).; 0 476 Comment
  RSA482520  Rumex crispus Richard Noyes, L. Arnseth 1988-4-30 505 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA0083014  Rumex hymenosepalus R. G. Swinney 2010-5-12 12768 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA613723  Rumex hymenosepalus Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs Canyon Substation. Soledad Canyon just west of Angeles Forest Highway. 976 Comment
  UCR189670  Rumex salicifolius R. G. Swinney 1998-7-6 6270 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  RSA235264  Rumex salicifolius var. denticulatus E. R. Blakley 1963-4-10 5593 Los Angeles Santa Catalina Island. Echo Lake NE of Black Jack Mountain. 366 Comment
  RSA127702  Ruppia maritima Peter H. Raven, Henry J. Thompson 1959-9-6 14360 Los Angeles At mouth of Malibu Creek. 2 Comment
  RSA449356  Ruta chalepensis Alice Jane Merritt 1894-03 1926 Los Angeles Near Riviera. Comment
  SBBG124475  Salix exigua R. Burgess, P. Munro 1999-4-17 3268 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 502 Comment
  UC474005  Salix exigua F. A. MacFadden Mar. 1931 3069 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  LA38818  Salix exigua var. hindsiana Peter H. Raven; 1959-10-4 14560 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  LA52086  Salix exigua var. hindsiana Carl Hedin; J. A. Ewan 1933-1-28 7631 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, 0.4 km E of Radford Dr. Comment
  RSA712711  Salix gooddingii A. C. Sanders 2003-3-14 25749 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UCR209143  Salix gooddingii Dan S. Cooper 2009-1-29 109- 26 Los Angeles Los Angeles Basin, Athens area, SW corner of W 135th St. and Main St., South Los Angeles 34 Comment
  CAS-BOT-BC104137  Salix hindsiana Marcus E. Jones 1930-3-3 26532 Los Angeles Santa Ana Mountains Comment
  CATA1826  Salix laevigata Sara L. Crockett 1997-3-17 581 A Los Angeles Santa Catalina Island: 0.25 mile NE on Cape Canyon Road from jct. with Middle Canyon Road, ca. 10 m E of road 225 Comment
  LA208744  Salix laevigata Carl Hedin; Joseph Ewan 1933-6-29 7644 Los Angeles Above Ballona Creek, S of Culver City [Area 2] Comment
  RSA584116  Salix laevigata Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2991 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  UCD111139  Salix laevigata Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km north of Castale. 315 Comment
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Nov 12 2014
  UC506435  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-11 7643 Los Angeles Comment
  UCSB988  Salix lasiandra Beach, Kay 1943-02 Los Angeles San Dimas Exp. Forest; Dalton, near waterpipe tunnel Comment
  LA52053  Salix lasiolepis Carl Epling; L. Ellison 1930-3-1 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM362718  Salix lasiolepis Robert Gustafson 1981-3-10 2109 Los Angeles Ballona Wetlands, Area 1. Comment
  UC492452  Salix lasiolepis F. R. Fosberg 1932-3-3 7414 Los Angeles Agoura (Picture City) Santa Monica Mts., Agoura (Picture City) Comment
  POM280812  Salix lasiolepis Henry J. Ramsey, Henry J. Ramsey 1937-3-27 560 Los Angeles Little Tijuna Canyon. Comment
  UCSB964  Salix lasiolepis Gill, Robert 1959-3-5 Los Angeles San Antonio Canyon; along stream bank below hugs back; San Gabriel Mountain range 1066 Comment
  UCR48979  Salsola australis A. C. Sanders 1987-9-18 7358 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  RSA535315  Salsola tragus T. S. Ross 1991-5-20 5372 Los Angeles San Clemente Island, upper northerly fork of the un-named drainage that empties to sea just N of Jack Point Lighthouse 165 Comment
  SD112942  Salsola tragus Darley F. Howe 1976-8-2 4908 Los Angeles Latigo Canyon Road. Comment
  RSA570026  Saltugilia australis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4916 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  UC908992  Saltugilia splendens subsp. grantii Frank W. Peirson 1938-6-2 7933 Los Angeles South Fork Rock Cr San Gabriel Mts., S Fork Rock Cr 1981 Comment
  RSA585158  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-6-1 2755 Los Angeles Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. along Moody Canyon 1341 Comment
  CHSC95380  Salvia apiana LeRoy Gross; Valerie Soza 2001-5-31 390 Los Angeles Los Angeles Basin: Verduga Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon. (Burbank). 457 Comment
  RSA424332  Salvia apiana William Emboden 1970-6-12 Jan- 46 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCR107758  Salvia apiana Jeanne Gural, Erin Hewgley 1997-4-18 33 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. West of main road, south of lake. 412 Comment
  UCR125128  Salvia apiana A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25104 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  RSA785722  Salvia apiana Doris Bowers 1957-6-22 305 Los Angeles Arroyo Seca, Pasadena 457 Comment
  SEINET12872883  Salvia carduacea Unknown 2010-5-12 12763 Los Angeles San Gabriel Mountains Comment
  HSC14326  Salvia carduacea C. S. Apperson 1966-4-24 Los Angeles Junction of 240th St. and Ave. R8. Pearblossom area, 3.5 mi. S of Moody Springs Comment
  SEINET12273114  Salvia carduacea Unknown 1933-1 8299 Los Angeles Tehachapi Mountains Comment
  RSA401456B  Salvia columbariae Howard Mullins 1931-5-10 s.n. Los Angeles Malibu Lake. Comment
  RSA401463B  Salvia columbariae Fay A. MacFadden 1931-7-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SFV4254  Salvia columbariae W. A. Emboden, Jr. May 1964 s. n. Los Angeles Santa Monica Mountains Las Flores Drive. Comment
  RSA0056281  Salvia columbariae L. Bullington 1961-4-27 s.n. Los Angeles Dry Canyon, Mulholland Rd. 457 Comment
  UCR140432  Salvia leucophylla June Latting 1958-5-11 276 Los Angeles Western Transverse Range; Santa Monica Mtns., 0.5 mi. east of Mulholland Hwy and Cornell Road junction 244 Comment
  CAS-BOT-BC233316  Salvia mellifera A. D. E. Elmer 1902-6-1 3684 Los Angeles Acton, Mt. Gleason Comment
  POM28846  Salvia mellifera H. E. Hasse 1890-08 s.n. Los Angeles Sierra Santa Monica. Comment
  RSA724463  Salvia mellifera K. Dobry 1991-3-15 417 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SD69618  Salvia mellifera Robert F. Thorne, P. Everett 1965-5-10 34444 Los Angeles Santa Catalina Island; on south slope of Black Jack Mountain, few hundred feet below summit. 487 Comment
  UC416702  Salvia mellifera J. Grinnell 1903-6-30 Los Angeles Arroyo Seco; Pasadena Comment
  UCR152889  Salvia mellifera A. C. Sanders, Helen Kennedy 2005-4-13 29432 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR194747  Salvia mellifera Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 736 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 427 Comment
  UCR259584  Salvia mellifera R. G. Swinney 2010-4-15 12231 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  RSA0036165  Salvia mellifera Bill Duval s.n. Los Angeles Montrose 60 Comment
  UC66698  Salvia spathacea N. K. Berg 1904-3-24 Los Angeles Burbank; Cahuenga Pass Comment
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Oct 31 2011
  CAS-BOT-BC235021  Sambucus Marcus E. Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  CAS-BOT-BC238724  Sambucus nigra subsp. caerulea Alice Eastwood 1928-6-15 15378 Los Angeles Claremont Comment
  UCR259635  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  POM366641  Sanguisorba minor Louis C. Wheeler 1933-7-3 1891 Los Angeles Thompson Wash near La Verne. 378 Comment
  SD52847  Sanicula arguta Peter H. Raven 1962-4-9 17150 Los Angeles San Clemente Island, rocky grassland near barracks, Wilson Cove 60 Comment
  LA32917  Sanicula arguta Jean Wylie; 1936-4-18 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA0113733  Sanicula crassicaulis Steven A. Junak 1999-5-21 SCa- 987 Los Angeles Santa Catalina Island. W side of Coffee Pot Canyon, just upstream from road crossing, adjacent to creekbed. 411 Comment
  RSA133463  Sanicula tuberosa P. H. Raven, Henry J. Thompson 1959-4-3 13928 Los Angeles Just to the east of Malibu Junction. 244 Comment
  UCR182855  Sarcodes sanguinea R. G. Swinney 1997-7-23 5737 B Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  UCR202522  Sarcodes sanguinea R. G. Swinney 2001-8-9 8010 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  RSA628635  Sarcodes sanguinea L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: West side Pallett Mountain. 2256 Comment
  RSA597187  Schedonorus arundinaceus Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3735 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  UCR178052  Schismus barbatus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 690 Los Angeles Transverse Ranges: Verdugo Mtns, south side of mountains, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 783 Comment
  RSA640900  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1967-7-23 10179 Los Angeles San Gabriel Mountains. Mojave Desert slope: pond 1/2 mi W from Barrel Springs, San Andreas Rift Zone. Comment
  RSA366045  Schoenoplectus americanus Robert Gustafson 1981-4-29 2208 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC111231  Schoenoplectus californicus J. Ewan 1930-9-15 5535 Los Angeles Ballona Creek at Playa del Rey Road Comment
  UC306164  Scirpus americanus I. Johnston 1917-5-13 Los Angeles El Monte El Monte (ditch along R.R., Southern California) Comment
  UCR271605  Scirpus microcarpus R. G. Swinney 2011-10-13 15798 Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  RSA651545  Scrophularia californica Marion P. Harthill 1972-5-12 s.n. Los Angeles Cat Canyon Comment
  UCR277211  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  LA200885  Scrophularia californica subsp. californica Jonathan Sauer; H. Walter 1973-5-31 5537 Los Angeles SANTA MONICA MOUNTAINS, crest of Santa Monica Mountains above Brentwood. Comment
  RSA356053  Scrophularia californica subsp. floribunda Robert F. Thorne 1973-3-26 42720 Los Angeles Webb Canyon, N of Claremont 366 Comment
  RSA719101  Scrophularia californica subsp. floribunda Naomi S. Fraga 2001-5-27 52 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA82355  Scutellaria tuberosa F. W. Peirson 1919-3-11 178 Los Angeles Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft. 549 Comment
  RSA445366  Scutellaria tuberosa E. Crow 1928-2-29 274 Los Angeles Thompson s Creek, Hills N of Claremont. Comment
  LA103475  Secale cereale Barry A. Prigge; 1986-3-20 6975 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  RSA679889  Selaginella asprella LeRoy Gross, Valerie Soza 2003-6-10 1022 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  CAS-BOT-BC62038  Selaginella bigelovii John H. Thomas 1957-5-11 6754 Los Angeles San Gabriel Mountains, about 3 miles north of La Canada near Angeles Crest Highway 762 Comment
  LA94002  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1680 Los Angeles SANTA MONICA MOUNTAINS, ca 0.75 mi S of Calamigos. 487 Comment
  UC1874982  Selaginella bigelovii Ruth Kirkpatrick 2001-7-30 1081 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  SEINET4065922  Selaginella bigelovii G. B. Grant, W. Wheeler 1904-1 1191 Los Angeles Collected on Santa Catalina Island in the Pacific Ocean off southern California. Comment
  UC1075543  Selago serrata Bonnie C. Templeton 1956-7-12 7679 Los Angeles Dr. S. Ayers garden, La Canada, California Comment
  CAS-BOT-BC327396  Senecio astephanus F. Grinnell Jr. 1917-6-10 s.n. Los Angeles Sister Elsie Peak Trail near Pasadena, San Gabriel Mountains Comment
  UCR99483  Senecio californicus Steve Boyd, L. Raz 1997-3-4 9152 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road c. 2 mi west of the junction with Sierra Hwy in Mint Canyon. 610 Comment
  RSA601047  Senecio flaccidus var. douglasii Steve Boyd, Lauren Raz 1997-6-18 9981 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SFV7099  Senecio flaccidus var. douglasii K. A. Wilson 1974-8-21 1450 Los Angeles Santa Monica Mountains Mulholland Highway, 1 mile west of Simes Lane. Cornell School Road, Seminole Hot Springs. 260 Comment
  CAS-BOT-BC341193  Senecio lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 340 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  UCR75298  Senna marilandica Scott D. White 1992-10-9 941 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, base of mtns., just north of Pacific Coast Hwy, extending as far E as Malibu Creek. Bounded by the Civic Center Road; terminates on the W in vicinity of Malibu School 30 Comment
  RSA725936  Setaria adhaerens R. E. Riefner 2003-11-23 3 -475 Los Angeles South Coast: Signal Hill, west of 405 Freeway along Temple Ave. at 29th St. 24 Comment
  LA8984  Setaria gracilis A. M. Johnson; 1931-10-7 3823 Los Angeles Santa Monica Mountains, Stone Canyon Comment
  LA33431  Setaria parviflora Peter H. Raven; Henry J. Thompson 1959-9-18 14435 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  UCR95417  Sidalcea malviflora subsp. sparsifolia T. S. Ross, V. W. Steinmann 1995-5-8 8535 Los Angeles Liebre Mtns., Bouquet Canyon, along Bouquet Canyon Road near Bouquet Campground No. 3. 744 Comment
  POM49674  Sidalcea malviflora subsp. sparsifolia L. R. Abrams 1901-4-8 1436 Los Angeles Arroyo river near PasadenaArrowhead Hotsprings and immediate vicinity, Coldwater Canyon and Strawberry Creek ca. 1/2 mile E of the old Arrowhead Hot Springs Hotel. Comment
  CAS-BOT-BC434382  Sidotheca trilobata Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  UCR200042  Silene antirrhina Valerie Soza, B. Hogshead 2003-4-23 1635 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  CATA1859  Silene gallica Denise Kraus 2000-4-13 4 Los Angeles Santa Catalina Island: (Goat Harbor burn area) Above Goat Harbor about 2,000 feet north of Airport road between fuel break roads/ridges. At GHB Transect 1 381 Comment
  RSA496670  Silene gallica A. C. Sanders 1988-3-17 7729 Los Angeles El Segundo Dunes, immediately W of LA International Airport and Pershing Drive, E of Vista Del Mar Blvd. 30 Comment
  UCD98676  Silene gallica Frank W. Pierson 1919-5-14 420 Los Angeles Eaton Canyon, San Gabriel Mountains. 731 Comment
  CAS-BOT-BC389107  Silene laciniata subsp. californica Lester Rowntree 1937-5-7 s.n. Los Angeles Bouquet Canon [Canyon] trail Comment
  RSA643844  Silene laciniata subsp. major Steven A. Junak, S. Burckhalter, J. Stone 1996-5-18 SC 1 -493 Los Angeles San Clemente Island [Santa Catalina Island]: Lower portion of Middle Ranch Canyon, upstream from first fork, at lowermost waterfall, ca. 0.25 miles inland from escarpment. 82 Comment
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Mar 23 2016
  RSA126654  Silene laciniata subsp. major H. J. Thompson 1959-5-24 2009 Los Angeles 1.9 miles north of Coast Highway, Tuna Canyon Road. 335 Comment
  RSA640314  Silene laciniata subsp. major L. C. Wheeler 1931-5-22 s.n. Los Angeles San Gabriel Mountains: Live Oak. Comment
  UC57600  Silene laciniata subsp. major J. H. Barber Los Angeles Soma Canyon Santa Monica Mts., Soma Canyon Comment
  SBBG121235  Silene multinervia V. Soza, L. Moore 2000-5-10 858 Los Angeles Verdugo Crestline Dr, N of La Tuna Cyn and S of Pasko Park; fire rd S of Verdugo Crestline Dr from fire gate to power lines to peak 0'1936" 579 Comment
  RSA152119  Silene parishii Wesley O. Griesel 1959-8-31 s.n. Los Angeles Angeles Crest Highway near Cortelyou spring 2286 Comment
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Nov 20 2015
  CAS-BOT-BC175111  Silene verecunda L. R. Abrams 1901-7-10 1887 Los Angeles Summit of Mt Wilson Comment
  UCR193562  Silene verecunda R. G. Swinney 1999-6-28 7441 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA620160  Silybum marianum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  RSA523171  Silybum marianum Timothy S. Ross 1991-2-23 4116 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  RSA0081141  Sisymbrium altissimum R. G. Swinney 2010-6-1 13126 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  UCR261773  Sisymbrium altissimum R. G. Swinney 2010-5-11 12685 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA431704  Sisymbrium altissimum Freda Detmers 1931-5-17 s.n. Los Angeles Big Rock Canyon Comment
  LA210071  Sisymbrium irio Louis C. Wheeler; 1932-3-12 476 Los Angeles Santa Monica Mountains, Hollyhock Canyon, Mandeville Canyon 121 Comment
  RSA65826  Sisymbrium irio F. W. Peirson 1923-3-23 3355 Los Angeles Claremont. 365 Comment
  IRVC26439  Sisymbrium orientale A. C. Sanders, Mark Elvin, et al. 2003-3-4 25689 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  SBBG11565  Sisyrinchium bellum E. R. Blakley 1959-4-5 2733 Los Angeles beach cliff on W side of Point Dume 15 Comment
  UCR204417  Sisyrinchium bellum R. G. Swinney 2001-9-15 8177 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UC1922356  Solanum americanum Scott D. White, A. Warniment 2006-7-6 11602 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  CHSC98109  Solanum douglasii LeRoy Gross; Laura Moore 2000-6-5 206 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. Narrow, sunny small canyon between Brand and Idlewood Canyons. 274 Comment
  SDSU14344  Solanum douglasii John Viggiano 2003-4-3 36 Los Angeles South Hills Park, Glendora. Along main road North of Park, near bend South from the steepest portion of the road, past and to west of bend approximately 1/3 mile. 299 Comment
  RSA0049589  Solanum elaeagnifolium Justin M. Wood, T. Valentovich 2012-6-6 4789 Los Angeles Mojave Desert: Between Palmdale and Littlerock, near intersection of Pearblossom Hwy. (138), Cheseboro Rd. and E Avenue T. 843 Comment
  CAS-BOT-BC154695  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  UC26275  Solanum umbelliferum J. H. Barber 1897-3-16 68 Los Angeles Santa Monica Experiment Station Comment
  POM9648  Solanum umbelliferum Philip A. Munz, R. D. Harwood 1920-5-15 4003 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  UC884942  Solanum umbelliferum I. W. Clokey, B. C. Templeton 1930-4-8 4643 Los Angeles San Francisquito Canyon, nw L.A. County San Francisquito Canyon Comment
  RSA428806  Solanum villosum Louis C. Wheeler 1932-9-10 1369 Los Angeles Harrison and San Antonio Ave. W Claremont. 366 Comment
  CAS-BOT-BC237743  Solanum wallacei George B. Grant; Walter Wheeler 1904-4-21 6141 Los Angeles Avalon, Santa Catalina Island Comment
  RSA188388  Solanum wallacei Robert F. Thorne, Percy C. Everett 1965-6-23 34931 Los Angeles Santa Catalina Island. Middle Ranch Canyon near Eagle Nest Rock 152 Comment
  SBBG128383  Solanum wallacei M. L. Hoefs 1991-4-8 1051 Los Angeles upper Avalon Cyn, below Wrigley Memorial, near drainage channel 143 Comment
  UC1713742  Solanum wallacei F. R. Fosberg 1931-3-18 S 4285 Los Angeles Santa Catalina Island, Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 10 Comment
  NY820419  Solanum xanti L. Abrams 1902-6-29 2586 Los Angeles Mt. Wilson 1524 Comment
  RSA0022990  Solidago californica Duncan S. Bell, Caitlin Elam 2013-8-1 5562 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  UCR124554  Solidago californica B. C. Templeton 1932-8-26 5095 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2088 Comment
  UCR142066  Solidago californica A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26271 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  RSA0030681  Solidago californica W. B 1973-10-12 Los Angeles San Dimas Exp. Forest Station near Ranger's office. 823 Comment
  SEINET11382850 Image available Solidago confinis F. R. Fosberg, Ewan, Joseph 1931-1 4942 Los Angeles Big Cienega above Crystal Lake Comment
  SFV4110  Solidago velutina subsp. californica K. A. Wilson 1963-10-26 1313 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  CLARK-A1528-2102  Soliva sessilis Alfred R. Roos 1958-5-16 Los Angeles Comment
  SEINET10970376  Sollya fusiformis Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4770 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA356028  Sonchus asper R. F. Thorne 1975-9-4 47385 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA771313  Sonchus asper R. F. Thorne, Percy C. Everett 1965-5-12 34632 Los Angeles Santa Catalina Island, upper end of Middle Canyon. 305 Comment
  UC1215152  Sonchus asper Peter H. Raven 1962-4-12 17336 Los Angeles narrow canyon s of canyon below the Tomb (w side San Clemente Island); w side San Clemente Island 274 Comment
  CHSC109715  Sonchus oleraceus V. Soza; LeRoy Gross 2011-5-14 1215 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  RSA3479  Sonchus oleraceus C. B. Wolf 1932-5-9 3422 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  RSA474109  Sonchus oleraceus F. R. Fosberg 1931-4-1 S- 4437 Los Angeles Hamilton canyon, near Avalon, Santa Catalina Island, 70 Comment
  JEPS30659  Sonchus oleraceus Peter H. Raven and Henry J. Thompson 1959-9-18 14447 Los Angeles University of California, West Los Angeles Santa Monica Mountains, University of California, West Los A 129 Comment
  RSA702439  Spartium junceum Scott D. White 2004-7-28 10654 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA477986  Spergula arvensis E. S. Spalding 1923-4-7 s.n. Los Angeles Claremont Comment
  UCR121249  Spergularia macrotheca J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  POM339334  Spergularia macrotheca F. R. Fosberg, S. C. Rainey 1973-11-14 55230 Los Angeles San Clemente Island. Wilson s Cove, on roadside on grassy slope Comment
  SBBG77776  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-5-22 54969 Los Angeles Isthmus Harbor Comment
  UCR190250  Spergularia rubra R. G. Swinney 2000-5-21 7699 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  POM179  Spergularia salina L. R. Abrams 1901-04 1458 Los Angeles Hyde Park. Comment
  SBBG131579  Spergularia villosa S. A. Junak 2000-4-15 SCa 1222 Los Angeles E of Lone Tree 432 Comment
  RSA0098579  Spergularia villosa Timothy S. Ross, Annette Ross 1991-6-3 5523 Los Angeles West Pomona. 230 Comment
  UCD116769  Sphaeralcea ambigua Rudolf Schmid 1962-5-18 s.n. Los Angeles Below road to Kellogg Hall, Cal Poly, Pomona. Comment
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Jan 1 2018
  RSA589265  Sphaeralcea ambigua var. rugosa Tim S. Ross 1991-4-28 4773 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  CAS-BOT-BC235429  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  UCR162579  Sporobolus airoides Anuja Parikh, Nathan Gale 2004-7-2 2078 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  UCLA70850  Stachys ajugoides var. rigida Louis C. Wheeler 1932-5-15 709 Los Angeles Puddingstone Dam San Jose Hills 304 Comment
  RSA547798  Stachys albens Tim S. Ross, Peter Fritsch 1990-6-20 3604 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  LA52373  Stachys bullata C. L. Hogue; 1954-3-30 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon, ca 3 mi. N of Sunset Blvd 274 Comment
  LA82034  Stachys bullata O. H. Kappler; 1940-6-9 706 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA292545  Stachys rigida subsp. quercetorum Richard S. Hood 1970-4-16 300 Los Angeles In Pasadena at Arroyo Seco Park on fire road, 1/4 mile So. of Pasadena freeway opposite Ave. 57 183 Comment
  LA201834  Stanleya pinnata var. pinnata Arthur C. Gibson; 2003-5-22 4926 Los Angeles 15 Comment
  RSA670638  Stanleya pinnata var. pinnata B. C. Templeton, H. J. Andrews 1938-6-22 1702 Los Angeles Shoemaker Wash, Shoemaker Canyon, near Valyermo. Comment
  RSA0115070  Stebbinsoseris heterocarpa Steven A. Junak 2001-5-4 SCa- 1497 Los Angeles Santa Catalina Island. E of Parson's Landing. 121 Comment