Search Results — 2000 specimen records retrieved (1561 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA460955  Abronia pogonantha Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
Read comments
Jul 2 2009
  SD41441  Abronia umbellata Edith A. Purer 1931-2-21 103 Los Angeles El Segundo. Comment
  SD69544  Abronia umbellata Robert F. Thorne, P. Everett 1965-6-23 34934 Los Angeles Santa Catalina Island; Ben Weston Beach, west side of island. Comment
  UC494415  Abronia umbellata Philip A. Munz 1932-8-31 12814 Los Angeles Playa del Rey Comment
  NY679480  Abronia umbellata G. B. Grant 04 1899 2005 Los Angeles Southern California. Comment
  RSA0025877  Abronia umbellata Peter H. Raven 1962-4-11 17253 Los Angeles Due west of Wall 2, San Clemente Island. 9 Comment
  SEINET3292034 Image available Abronia umbellata subsp. platyphylla Edith A. Purer 1935-5-12 6594 Los Angeles Sand dunes, El Segundo Comment
  OBI39745  Abronia villosa David J. Keil, V. L. Holland and Dirk R. Walters 1977-5-8 12324 Los Angeles Just outside of Saddleback Butte State Park Comment
  UC1537368  Abronia villosa Gordon H. True Jr. 1935-3-6 57 Los Angeles Lovejoy Butte 853 Comment
  RSA0065573  Acacia retinodes George Maruko 1948-2-25 s.n. Los Angeles South hill above 200k Griffith Park, Los Angeles. Comment
  JEPS42665  Acer macrophyllum Carl Epling, J. Ewan 1933-7-7 7844 Los Angeles Lower Topango Canyon Santa Monica Mts., Lower Topango Canyon Comment
  POM293344  Acer macrophyllum Lyman D. Benson 1945-6-5 11752 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
Read comments
Apr 7 2014
  UC1870246  Acer macrophyllum LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 566 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road, (Santa Monica Mountains Conservancy land) side canyon off of La Tuna Canyon 488 Comment
  CAS-BOT-BC260443  Achnatherum hymenoides A. D. E. Elmer 1902-6-1 3617 Los Angeles Lancaster Comment
  SBBG29606  Achnatherum hymenoides K. K. Muller -Apr-1968 Los Angeles 2 mi W of Hi Vista on Ave G Comment
  RSA598091  Achnatherum latiglume Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3788 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  CAS-BOT-BC216458  Achnatherum occidentale subsp. californicum A. A. Beetle 1942-6-25 3641 Los Angeles Route 2, 2 miles N of Big Pine Camp, San Bernardino Mountains Comment
  RSA587755  Achnatherum speciosum Timothy S. Ross 1991-4-27 4720 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA589301  Achnatherum speciosum Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2903 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
  RSA773283  Achnatherum speciosum R. G. Swinney 2009-4-28 10547 Los Angeles summit of Mt. Emma 1585 Comment
  RSA617409  Achyrachaena mollis Scott D. White 1998-5-19 6521 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA0091096  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SBBG98066  Acmispon argophyllus var. argenteus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5150 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  SD52979  Acmispon argophyllus var. argenteus Peter H. Raven 1962-5-20 17777 Los Angeles Santa Catalina Island: near Bird Park, Avalon. Comment
  UC1587220  Acmispon argophyllus var. argenteus Tim Ross 1991-5-20 5350 Los Angeles San Clemente Island. Un-Named knoll, S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM. Comment
  UCD103996  Acmispon argophyllus var. argophyllus Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Reservoir at the west end of the San Fernando Valley. 365 Comment
  CATA1043  Acmispon dendroideus var. dendroideus Mark L. Hoefs 1995-5-10 1969 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  SBBG128176  Acmispon dendroideus var. dendroideus M. L. Hoefs 1994-5-21 1847 Los Angeles SE end of Renton Mine Rd 262 Comment
  SBBG68162  Acmispon procumbens var. procumbens R. Hoffmann 1928-7-9 Los Angeles Pine Cyn 914 Comment
  SBBG68093  Acmispon strigosus R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SD39828  Acmispon strigosus Edith A. Purer 1933-10-7 5592 Los Angeles El Segundo, stabilized sand dunes Comment
  LA200815  Adenostoma fasciculatum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  OBI10242  Adenostoma fasciculatum Louis C. Wheeler 1932-4-30 670 Los Angeles Mandeville Cyn, Santa Monica Mts 152 Comment
  SEINET3200284  Adenostoma fasciculatum G. Rink 2011-6-1 10571 Los Angeles Chino Hills, northeast of La Brea, weedy place. 260 Comment
  UC466764  Adenostoma fasciculatum J. Grinnell 1903-6-27 Los Angeles Pasadena, Arroyo Seco Comment
  RSA390570  Adenostoma fasciculatum var. fasciculatum E. Crow 1929-4-14 325 Los Angeles Foothills NE of Glendora Comment
  SD262369  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2014-5-27 16693 Los Angeles San Gabriel Mountains: Glendora, Glendora Peak, 0.74 miles ENE (34a^z) of Azusa Pk., south of Glendora Ridge Motorway. Ridgetop in 2014 Colby burn. 790 Comment
  UCR273295  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-25 15872 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  RSA687670  Adiantum capillus-veneris E. Crow 1928-10-21 1 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  SEINET235617 Image available Adiantum capillus-veneris Scott D. White 1997-5-8 5078 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom ajd adjacent slopes below Morris dam. 275 Comment
  CATA498  Adiantum jordanii Sara L. Crockett 1997-4-1 640 Los Angeles Santa Catalina Island: Offshoot canyon from Middle Canyon; 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road 315 Comment
  LA200062  Adiantum jordanii Lawrence L. Kiefer; 1966-5-14 2032 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  POM120345  Adiantum jordanii George B. Grant 1904-4-20 26 Los Angeles Santa Catalina Island. Comment
  POM50242  Adiantum jordanii L. W. Nuttall 1920-5-7 s.n. Los Angeles Santa Catalina Island: open hillside below Chicken Johnny's. Comment
  RSA430462  Aeonium haworthii A. C. Sanders 1987-7-22 7146 Los Angeles El Segundo Dunes, W of Los Angeles International Airport and Pershing Drive. Comment
  RSA748836  Aesculus californica Justin M. Wood 2009-4-13 478 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  RSA662612  Ageratina adenophora Paul Neipp 1994-4-8 1 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  CDA34309  Agoseris grandiflora M. O'Brien 2011-6-14 MOB 11 -3 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  RSA735913  Agoseris grandiflora Justin M. Wood 2008-5-31 7 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  SEINET3916099  Agrostis diegoensis K. Dobry 1991-6-11 d 686 Los Angeles Soka University, Los Virgenes and Mulholland Hwy. Santa Monical. Mountains.; 0 Comment
  RSA0104998  Agrostis exarata R. G. Swinney 2011-10-25 15893 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA623874  Agrostis pallens Jon E. Keeley 1979-5-10 7278 Los Angeles 1.6 kilometers N of Pacific Coast Highway on Kanan Dume Road. 300 Comment
  POM20723  Agrostis stolonifera P. A. Munz 1923-8-31 7667 Los Angeles Big Pines, Swartout Valley, San Gabriel Mountains. 2073 Comment
  UCR178792  Ailanthus altissima R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  RSA656378  Allium amplectens Tami Stevenson 1980-4-28 25 Los Angeles Verdugo Mountains: Located inside of fenced greenhouse area on the Glendale College Campus, 1500 North Verdugo Road, Glendale. Comment
  RSA0056374  Allium fimbriatum James R. Shevock 1972-4-26 1593 Los Angeles Sierra Hwy. 967 Comment
  UCR197760  Allium fimbriatum var. fimbriatum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 3 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UCR98749  Allium fimbriatum var. fimbriatum T. S. Ross, Steve Boyd 1990-6-18 3497 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  CAS-BOT-BC472003  Allium lacunosum var. davisiae F. W. Peirson; H. L. Mason 1926-4-26 6658 Los Angeles 2 miles east of Palmdale, Mohave Desert Comment
  UCR147571  Allium monticola Naomi Fraga, Paul Morton 2004-5-18 1187 Los Angeles Transverse Ranges; San Gabriel Mountains region, Along main trail to summit of Mount Hillyer 1890 Comment
  SD69738  Allium peninsulare Robert F. Thorne 1966-4-30 36340 Los Angeles Santa Catalina Island, on sea bluff above beach at mouth of Gallagher's Canyon. 7 Comment
  CAS-BOT-BC475404  Allium praecox George B. Grant; Walter Wheeler 1904-4-21 34 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA536042  Allium praecox Timothy S. Ross 1991-5-21 5410 Los Angeles San Clemente Island: junction of the upper two forks of Box Canyon, SW side of the island. 450 Comment
  RSA0097183  Allophyllum divaricatum R. G. Swinney 2011-6-1 14962 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  SEINET2444426  Allophyllum divaricatum Leigh A. Johnson 1996-5-24 96 -009 Los Angeles Angeles National Forest, San Gabriel Mountains. Glendora Ridge Road; 1.2 miles W of jct. with Mt. Baldy Road. 1000 Comment
  UC303619  Allophyllum divaricatum I. Johnston 1917-7-1 1439 Los Angeles <Evy> Evey Canyon 1066 Comment
Read comments
Jan 23 2011
  RSA735940  Allophyllum gilioides subsp. gilioides Justin M. Wood 2008-5-31 14 Los Angeles Santa Monica Mountains National Recreation Area, Malibu Canyon Road, approx. 2 miles N of PCH. Comment
  UC52711  Allophyllum gilioides subsp. gilioides J. Burtt Davy May 9 1896-May 24 1896 2516 Los Angeles Manzana Antelope Valley, Manzana Comment
  UCR100414  Allophyllum glutinosum Scott D. White, Chet McGaugh 1995-5-16 3083 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  CAS-BOT-BC170974  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9906 Los Angeles Along Creek Mescal Canyon. San Gabriel Mts. 1615 Comment
  SEINET13710992  Alyssum alyssoides J. Adams, J. Adams (Botany) 1965-1 Los Angeles Near Claremont, Pomona College Wash 1100 Ft 335 Comment
  PASA2649  Alyssum maritimum Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCD97201  Amaranthus blitoides P. B. Kennedy 1918-8-3 s.n. Los Angeles Bakersfield. Comment
  UCR231395  Amaranthus deflexus Dan S. Cooper 2011-11-8 s.n. Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA609110  Amaranthus retroflexus L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
  RSA158274  Ambrosia chamissonis var. chamissonis Peter H. Raven 1962-7-12 18031 Los Angeles Northwest Harbor, San Clemente Island 15 Comment
  RSA189413  Ambrosia psilostachya L. S. Rose 1966-12-24 66115 Los Angeles Westwood Village. 122 Comment
  UCD128877  Ambrosia salsola Geoffrey Levin 1975-5-17 514 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. Mohave River drainage area. 1158 Comment
  RSA415274  Amorpha californica H. L. Bauer 1932-4-25 15361 Los Angeles Near Topango [Topanga] P.O. Comment
Read comments
May 29 2014
  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
  UC80626  Amorpha californica var. californica Ernest Braunton June 1902 424 Los Angeles Elysian Park Comment
  CAS-BOT-BC222259  Amsinckia W. R. Dudley; F. H. Lamb 1896-6-6 4328 Los Angeles Antelope Valley near Del Sur, Liebre Mountains Comment
  POM6859  Amsinckia intermedia P. A. Munz, L. T. Street, G. Williams 1919-3-8 2289 Los Angeles Pomona. Comment
  SBBG131616  Amsinckia intermedia S. A. Junak 1999-4-24 SCa 872 Los Angeles Cape, E of Empire Landing Rd, NW-facing slope 213 Comment
  UC1194960  Amsinckia intermedia Reid Moran 1959-3-9 7163 Los Angeles canyon 2 mi se of Eel Point; San Clemente Island 100 Comment
  RSA499942  Amsinckia intermedia M. B. Dunkle 1931-4-22 2441 Los Angeles Santa Catalina Island. Summit roadside. Comment
  UCR190420  Amsinckia tessellata R. G. Swinney 2001-4-18 7891 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  UCR180358  Amsinckia tessellata var. tessellata Scott D. White, Pam Devries 2006-5-9 11394 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
  RSA535879  Anagallis arvensis Tim S. Ross 1991-9-1 5893 Los Angeles Santa Ana Mountains. Near Mulholland Highway x Yerba Buena Road. 427 Comment
  RSA598203  Ancistrocarphus filagineus Steve Boyd, Lauren Raz 1997-3-4 9133 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA741418  Andropogon glomeratus var. scabriglumis Justin M. Wood 2008-11-25 255 Los Angeles Big Tujunga Canyon, near road to Wildwood Picnic Area. On the N side of the road in vicinity of spring. 579 Comment
  RSA86715  Andropogon glomeratus var. scabriglumis F. W. Peirson 1926-3-20 6517 Los Angeles Arroyo Seco, near Altadena. Alt. 2500 ft. 762 Comment
  SEINET7595072 Image available Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1964-1 8435 Los Angeles San Gabriel Mountains: About half way between Roberts Canyon and Fish Canyon. Comment
  RSA0025349  Androsace elongata subsp. acuta Anuja Parikh, Nathan Gale 2011-6-7 3421 Los Angeles WTR, E. Liebre Mountains, Sierra Pelona, 4.1 km W of State Highway 14, 2.0 km SW of California Aqueduct. 1028 Comment
  UCSB19144  Anemopsis californica Keefe, Joseph 1961-6-17 Los Angeles U.S. Highway 99; 8.0 miles south of Gorman 975 Comment
  CAS-BOT-BC84667  Anthemis cotula Timothy S. Ross; Annette H. Ross 1991-6-3 5555 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 335 Comment
  SBBG13819  Anthemis cotula M. A. Piehl 1962-10-3 62527 Los Angeles near Middle Ranch Crk, ca. 0.5 mi from its mouth Comment
  RSA601118  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  LA99313  Antirrhinum coulterianum Jonathan Sauer; 1978-5-27 6038 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon State Park, high ridge in Topanga State Park. Comment
  UCR92068  Antirrhinum multiflorum Scott D. White 1995-2-7 2525 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  RSA3740  Antirrhinum nuttallianum subsp. subsessile Carl B. Wolf 1932-5-11 3565 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
Read comments
Jan 23 2014
  RSA612118  Aphanes occidentalis Louis C. Wheeler 1933-4-15 1638 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  SBBG131641  Aphanes occidentalis S. A. Junak 1999-4-22 SCa 837 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
  POM246437  Apiastrum angustifolium F. R. Fosberg 1931-4-29 S- 4717 Los Angeles Santa Catalina Island. Small canyon between Cottonwood and Middle Ranch Canyons 100 Comment
  RSA470370  Apiastrum angustifolium M. B. Dunkle 1929-3-23 2073 Los Angeles Santa Catalina Island. Salta Verde. Comment
  RSA747273  Apocynum cannabinum R. G. Swinney 2005-8-22 8522 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, fork of Devils Punchbowl Canyon 1220 Comment
  UCR176957  Apocynum cannabinum L. C. Wheeler 1967-7-30 10260 Los Angeles San Gabriel Mtns, Big Cienega Trail Canyon 1143 Comment
  RSA0033868  Arabis John F. Emmel 1997-4-28 1459 Los Angeles Sierra Pelona; along USFS Road 6N07, 1.1 road miles ENE of junction with Road 6N08. 1371 Comment
  RSA66505  Arabis glabra F. W. Peirson 1903-3-10 658 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA0126238  Arabis glabra var. glabra Scott D. White, P. De Vries 2000-5-18 7896 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  CAS-BOT-BC171615  Aralia californica Geo. B. Grant 1901-7-25 4450 Los Angeles Sturtevants Camp 1066 Comment
  SBBG119159  Arceuthobium divaricatum R. G. Swinney 1997-9-6 5864 Los Angeles Forest Service Rd 4N06 (Mescal Cyn), ca. 2.6 mi N of Big Pines Rd, ca. 10 mi W of FS Rd, ca. 75 m S of only point where stream crosses rd; T4N R8W 1585 Comment
  RSA233610  Arctostaphylos catalinae R. F. Thorne 1970-3-5 39356 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  SBBG127967  Arctostaphylos catalinae B. E. Carter, J. R. Clark 2012-8-9 6964 Los Angeles Bulrush Cyn, below Salta Verde turnoff 255 Comment
  RSA626696  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-23 15702 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA626765  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20335 Los Angeles Road to Mt. Gleason, 5 km west of Mill Creek Summit. 1670 Comment
  OBI14712  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1935-6-21 3916 Los Angeles Mulholland dr between Sepulveda Canyon and Topanga Canyon Comment
  LA200423  Arctostaphylos glandulosa subsp. mollis Norman A. Cole; May 1964 374 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  SFV22024  Arctostaphylos glandulosa subsp. mollis V. Soza, I. E. Anderson, L. Gross 2000-6-6 990 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Stough Canyon Mountainway, above Stough and Wildwood canyons, west side of peak O'2642. North-northwest-facing slope above along fire along ridgetop. 762 Comment
  UC193241  Arctostaphylos glandulosa subsp. mollis Samuel B. Parish June 1887 1957 Los Angeles San Francisquito Canyon Comment
  RSA631210  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21978 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA631468  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15715 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631567  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22000 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631654  Arctostaphylos glauca H. Packard 1937-11-18 2933 Los Angeles Angeles Crest Highway. Comment
  RSA631706  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20262 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA631712  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15681 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA634783  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20413 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
  RSA634851  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20556 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634883  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20449 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635107  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20434 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
  POM121347  Arctostaphylos patula H. A. Jensen 1933-3-24 378 Los Angeles Mt. Islip 2439 Comment
  RSA228988  Arctostaphylos patula R. F. Thorne 1971-8-25 41276 Los Angeles below summit of Mt. Hawkins 2651 Comment
  RSA629675  Arctostaphylos patula Scott D. White, Dave Bramlet 1998-6-29 6838 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 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
  SEINET3237840 Image available Arenaria nuttallii subsp. gracilis R. G. Swinney 1999-8-9 7607 Los Angeles San Gabriel Mtns.; east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio. 2805 Comment
  UCD95185  Argemone munita Steve Mason 1993-5-2 31 Los Angeles Mojave Desert, off W. State Rt. 138, 1 mile past W. 110th Street., S on dirt road, 0.4 mile in, 30' off west roadside. 762 Comment
  RSA0011376  Artemisia californica Orlando Mistretta, Kristie Haydu 2011-7-19 5951 Los Angeles Kentucky Springs Cyn. Along Southern California Edison transmission line corridor, 0.5 air miles W of Angeles Forest Hwy, 0.3 air miles N of Angeles National Forest Boundary. 1081 Comment
  SBBG130722  Artemisia douglasiana S. A. Junak 2000-7-1 SCa 1372 Los Angeles Cape Cyn Rd, upper Cape Cyn 304 Comment
  UCR258829  Artemisia douglasiana R. G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR270824  Artemisia douglasiana R. G. Swinney 2010-6-29 13393 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  CAS-BOT-BC90349  Artemisia douglasiana L. R. Abrams 1901-8-21 2181 Los Angeles Ballona Comment
  SD85055  Artemisia douglasiana E. R. Blakley 1962-10-5 5446 Los Angeles Santa Catalin Island; Cottonwood Canyon 1/4 mile upstream from ocean. 29 Comment
  POM19001  Artemisia ludoviciana subsp. incompta Philip A. Munz 1923-9-1 7711 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  UCR282516  Artemisia ludoviciana subsp. incompta Mitch Provance, Tegan Provance 2017-9-30 917- 10 Los Angeles San Gabriel Mountains / Mojave Desert Transition, Pallet Creek, S side of Pallet Creek Rd., 1.3 miles W of Valyermo Rd. 1146 Comment
  RSA596736  Artemisia parishii L. C. Wheeler 1966-10-22 9040 Los Angeles San Gabriel Mountains. Aliso Canyon near confluence with Gleason Canyon. 944 Comment
  CLARK-A1528-1599  Artemisia tridentata subsp. parishii John C. Roos 1942-10-31 2580 Los Angeles Placerita Canyon Comment
  SD75648  Arthrocnemum subterminale M. B. Dunkle 1940-8-21 7652 Los Angeles Middle of San Clemente Island. Comment
  RSA478868  Arthrocnemum subterminale House, Grumbles 1930-5-13 s.n. Los Angeles San Clemente Island Comment
  RSA0082833  Asclepias eriocarpa R. G. Swinney 2011-7-21 15545 Los Angeles Strawberry Peak summit. 1860 Comment
  POM305396  Asclepias fascicularis Henry J. Ramsey, Henry J. Ramsey 1937-7-18 704 Los Angeles Soldiers Creek Comment
  CAS-BOT-BC68858  Aspidotis californica John Thomas Howell 1928-2-9 3324 Los Angeles San Gabriel Mts. - On trail between Sierra Madre and Santa Anita Canyon Comment
  POM6785  Aspidotis californica Hilda Wood 1901-3-10 s.n. Los Angeles Glendora Comment
  RSA167636  Aspidotis californica P. H. Raven, R. F. Thorne 1964-5-7 18994 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs. Comment
  UCR219407  Aspidotis californica R. G. Swinney 2009-4-1 10238 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  RSA0065480  Aspidotis californica Hurley, Witt, Smith, Prieur, Goebel 1949-2-7 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  RSA653367  Aspidotis californica LeRoy Gross 2000-10-28 313 Los Angeles Verdugo Mountains: Along Brand Park Mountainway road 548 Comment
  RSA417673  Aster greatae Albert J. Perkins 1915-10-31 s.n. Los Angeles Clear Creek Trail; San Gabriel Mts. Comment
  RSA608442  Aster greatae L. C. Wheeler 1932-9-30 1414 Los Angeles 1/4 mi. below falls, Fish Canyon, San Gabriel Mts. 335 Comment
  UCR275491  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  UCR70772  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Coldwater Fork of Cattle Cyn. 1223 Comment
  RSA729100  Astragalus bicristatus R. G. Swinney 1999-7-5 7509 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  UCR155345  Astragalus didymocarpus A. C. Sanders 2005-5-5 29861 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  RSA415460  Astragalus didymocarpus var. didymocarpus Blanche Trask 1901-03 2242 Los Angeles Avalon, Catalina Island. Comment
  CAS-BOT-BC182853  Astragalus douglasii P. C. Everett; E. K. Balls 1959-5-22 23802 Los Angeles Antelope Valley, c. 1 1/2 mi. SE. of Fairmount, San Andreas Rift 822 Comment
  POM18190  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  JEPS54727  Astragalus lentiginosus var. variabilis Dr. A. Davidson 1893-1 Los Angeles Lancaster , Lancaster (Mojave Desert) Comment
  UC1929798  Astragalus miguelensis Mark Elvin, Orlando Mistretta 1996-3-22 114 Los Angeles Channel Islands; San Clemente Island: San Clemente Island. Coastal strand/dunes. Comment
  SBBG68276  Astragalus pachypus R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  JEPS54789  Astragalus preussii var. laxiflorus Dr. A. Davidson c. 1894 Los Angeles Antelope Valley , Antelope Valley (Mohave Desert) Comment
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May 25 2011
  OBI70590  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-5-1 9672 Los Angeles Liebre Mts Region: Sierra Pelona ridgeline, about 1.5 mi W of Mt. McDill and 1.3 mi S-SE of Lincoln Crest, the head of Bouquet Cyn. T6N R13W E1/2 NW 1/4 sec 31 1512 Comment
  UCR70744  Astragalus trichopodus subsp. antisellii P. A. Munz, M. E. Jones 1934-4-26 s.n. Los Angeles Western Transverse Range, Castaic Canyon, Ridge Road Comment
  CATA208  Astragalus trichopodus var. lonchus Mark L. Hoefs 1973-4-15 190 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG31319  Astragalus trichopodus var. lonchus R. F. Thorne with P. C. Everett 1965-5-12 Los Angeles Bullrush Cyn 243 Comment
  UCR238096  Astragalus trichopodus var. phoxus Mark A. Elvin, Scott Boczkiewicz 2003-5-15 2784 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, crest of mountains at head of Salt Creek watershed, near Ventura Co. line 884 Comment
  RSA746846  Athysanus pusillus Orlando Mistretta 1992-5-21 393 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UC1980255  Atriplex amnicola R. E. Riefner Jr. 2006-7-8 06 -289 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. Comment
  UC54951  Atriplex argentea var. mohavensis H. P. Chandler 1902-9-9 4013 Los Angeles roadside near Ballona Lagoon; near Ballona Lagoon Comment
  SEINET3930306  Atriplex californica F. R. Fosberg 1931-5-17 54889 Los Angeles Little Harbor, Santa Catalina Island.; 0 2 Comment
  UCR196171  Atriplex californica R. F. Thorne 1973-1 44726 Los Angeles Channel Islands, Santa Catalina Island, [NE of Two Harbors] Blue Cavern Point 50 Comment
  RSA624124  Atriplex californica L. C. Wheeler 1933-4-27 1666 Los Angeles Playa Del Rey 15 Comment
  UCR277097  Atriplex canescens R. G. Swinney 2010-10-5 13998 Los Angeles San Gabriel Mountains, Placerita Canyon, boundary of park, c. 20 meters south of Placerita Hwy, just north of Botany Nature Trail, east of Nature Center 494 Comment
  SEINET3930675  Atriplex canescens subsp. canescens Timothy S. Ross, Steve Boyd 1994-9-20 8227 a Los Angeles Located 2 miles northwest of Acton. South side of intersection of Escondido Canyon Road and Red Rover Mine Road.; 0 884 Comment
  POM50707  Atriplex confertifolia A. D. E. Elmer 1902-06 3691 Los Angeles Lancaster. Comment
  SBBG130748  Atriplex coulteri S. A. Junak 2000-3-30 SCa 1139 Los Angeles above Goat Harbor and Ironwood Grove 365 Comment
  UC1587722  Atriplex coulteri Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5168 Los Angeles grassy flats 950 ft wnw of Stone at beginning Stone Canyon drainage (San Clemente Island); , wnw Stone Canyon drainage 441 Comment
  POM638  Atriplex lentiformis subsp. breweri I. M. Johnston 1917-6-10 s.n. Los Angeles Playa Del Rey Comment
  UC7045  Atriplex lentiformis subsp. lentiformis J. Burtt Davy October 1896 2749 Los Angeles Santa Monica Canyon Comment
  RSA235261  Atriplex leucophylla E. R. Blakley 1962-10-5 5428 Los Angeles North of Whites Landing, Santa Catalina Island. 3 Comment
  SDSU5539  Atriplex leucophylla R. M. Beauchamp 1967-3-19 326 Los Angeles San Clemente Island. Comment
  RSA478315  Atriplex leucophylla F. R. Fosberg 1930-6-23 S- 2991 Los Angeles Del Rey Comment
  POM219168  Atriplex semibaccata L. C. Wheeler 1931-9-25 158 Los Angeles Los Feliz Blvd at Los Angeles River 122 Comment
  RSA535296  Atriplex semibaccata T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5344 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  SBBG118124  Atriplex semibaccata F. H. Elmore 1939-2-18 419 Los Angeles San Clemente Island Comment
  SFV20037  Atriplex semibaccata A. Dittmer, S. Dark 2004-10-1 71 Los Angeles Ballona Wetlands. West side of wetlands on the north side of Jefferson Ave. close to road. Comment
  SD40201  Atriplex semibaccata Edith A. Purer 1931-4-29 Los Angeles Redondo Beach Comment
  RSA127825  Atriplex subspicata P. H. Raven, H. J. Thompson 1959-9-6 14370 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  RSA155796  Atriplex watsonii P. H. Raven 1962-7-12 18010 Los Angeles near point at east end of Northwest harbor, San Clemente Island 30 Comment
  LA11000  Avena barbata D. Dunn; 1941-3-15 857 Los Angeles N Figueroa and Ave 50 Highland Park Comment
  RSA0117865  Avena barbata Robert L. Benson 1960-5-19 48 Los Angeles Blanchard Park. [Pomona College.] Claremont. 365 Comment
  RSA188106  Avena barbata R. F. Thorne 1966-4-6 35893 Los Angeles Santa Catalina Island: ridge between White and Moonstone Coves 15 Comment
  RSA385388  Avena barbata M. B. Dunkle 1938-3-31 1792 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  UCR210018  Avena barbata R. G. Swinney 2008-12-2 9916 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA0042642  Avena barbata Greg Gillespie 1983-5-19 20 -83 Los Angeles Collected in burn area behind administration building at the Cal Poly Pomona campus. Comment
  UC37424  Avena fatua J. Burtt Davy May 9 1896-May 24 1896 2496 Los Angeles near Manzana; Antelope Valley 1219 Comment
  SBBG131547  Azolla filiculoides S. A. Junak 1999-7-16 SCa 1054 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach 24 Comment
  UC812938  Azolla filiculoides P. A. Munz May 1921 4554 Los Angeles hills s of San Dimas Comment
  CAS-BOT-BC98732  Baccharis douglasii Geo. B. Grant 1897-9-30 s.n. Los Angeles Los Angeles River, Los Angeles Comment
  CAS-BOT-BC98155  Baccharis salicifolia Timothy S. Ross; Steve Boyd 1994-5-10 7706 Los Angeles Liebre Mountains, Saddle divide between East Fork Fish Canyon adn Warm Springs Canyon: vicinity, crossroads of 890 Comment
  CAS-BOT-BC98158  Baccharis salicifolia Peter H. Raven; Henry J. Thompson 1959-10-18 14664 Los Angeles Santa Monica Mountains - along stream at mouth of Topanga Canyon 4 Comment
  POM579281  Baccharis salicifolia Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7419 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 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
  RSA608485  Baccharis salicifolia L. C. Wheeler 1961-6-13 7876 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR4154  Baccharis salicifolia R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  HSC79561  Baccharis salicina James Henrickson Jan 1973 8113 Los Angeles Santa Catalina Island, 2 mi. WNW of Avalon, in Haypress area Comment
  JEPS32260  Balsamorhiza deltoidea I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-5-13 4628 Los Angeles Bouquet Canyon 1100 Comment
  RSA607611  Bassia L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road. 609 Comment
  UCR229521  Bassia hyssopifolia Jeremiah George 2011-9-28 s.n. Los Angeles South Coast, Long Beach, east side of Los Angeles River channel, south of West Shoreline Dr. offramp from 710 Fwy 4 Comment
  RSA96806  Bellardia trixago E. K. Balls 1954-4-26 19066 Los Angeles In Botanic Garden, Claremont. 366 Comment
  CAS-BOT-BC400047  Berberis Joseph Andorfer Ewan 1932-7-4 7590 Los Angeles Millards [Millard] Canyon, San Gabriel Mts. 1158 Comment
  SBBG31252  Bergerocactus emoryi R. F. Thorne with P. C. Everett 1965-6-24 35050 Los Angeles ridge between Little Harbor and mouth of Cottonwood Cyn 60 Comment
  SBBG52912  Bergerocactus emoryi F. C. Boutin 1967-4-23 1697 Los Angeles near Eel Pt Comment
  SD69452  Bergerocactus emoryi Robert F. Thorne, P. Everett 1965-6-24 35050 Los Angeles Santa Catalina Island: abundant on several acres of rocky southwest-facing slopes on ridge between Little Harbor and mouth of Cottonwood Canyon. (IPB 6/07) 60 Comment
  UCR258887  Bidens pilosa R. G. Swinney 2010-8-16 13518 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SEINET10757249  Bidens pilosa David B. Dunn 1941-2-23 Dunn 692 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  SFV3767  Bidens pilosa A. M. Johnson 1934-10-3 4536 Los Angeles West Los Angeles. Along Selby Ave. between LeConte and Wilshire Blvd. Comment
  UCR207699  Bituminaria bituminosa Justin M. Wood 2009-4-13 487 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  SEINET3146115  Blepharipappus glandulosus G. B. Grant 1904-5-5 112 Los Angeles Arroyo Seco Cyn., Sierra Madre Mts. Comment
  LA21887  Bloomeria crocea Carl Epling; 1926-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA628703  Bloomeria crocea L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  RSA652653  Bloomeria crocea B. Daniel Stickney 1981-5-23 33 Los Angeles San Jose Hills N of Cal Poly, Pomona. Comment
  SD39074  Bloomeria crocea var. crocea H. M. Ritter 1931-4-15 1989 Los Angeles Oak Knoll. Comment
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Jul 11 2010
  RSA0128741  Boechera californica W. P. Burger 1979-5-18 103 Los Angeles Angeles Crest Hwy, turnout by stream ca. 1 mile from jct with Angeles Forest Hwy. 1066 Comment
  CAS-BOT-BC25974  Boechera xylopoda Timothy S. Ross 1991-4-27 4654 Los Angeles Mojave Desert. Fort Tejon Road, 0.1 mile west of its junction with highway 138 (and hiking +- S to SSW). 1203 Comment
  UC73342  Bowlesia incana Geo. B. Grant Feb. 1903 110 Los Angeles Lincoln Park; Southern California, Lincoln Park Comment
  LA210276  Boykinia rotundifolia F. R. Fosberg; J. Ewan 1931-8-10 4913 Los Angeles San Gabriel Mountains, Lower Pine Flats, N Fork San Gabriel River 1523 Comment
  RSA84353  Boykinia rotundifolia F. W. Peirson 1904-8-28 74 Los Angeles Little Santa Anita Canyon, south base of San Gabriel Mts. Comment
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Feb 1 2012
  SBBG119066  Boykinia rotundifolia S. D. White 2004-7-28 10660 Los Angeles Clear Crk area, "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy; T2N R12W S8 976 Comment
  CHSC34544  Brachychiton populneum James Henrickson 1973-6-23 10938 Los Angeles 1 1/2 mile north of Malibou, in tract of land at junction of Rambala Pacifico and Schueren Road. 426 Comment
  LA32275  Brassica campestris Peter H. Raven; 1959-4-4 13974 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  UCR194753  Brassica geniculata Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 738 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
  RSA0084239  Brassica nigra Bette Wright 1942-4-25 s.n. Los Angeles Foothills, Glendale Comment
  RSA482928  Brassica rapa E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  CAS-BOT-BC106218  Brickellia desertorum J. Grinnell 1903-11-14 s.n. Los Angeles Arroya Seco, near Pasadena Comment
  UCR101180  Brickellia microphylla L. C. Wheeler 1970-9-12 s.n. Los Angeles San Gabriel Mtns., Mine Gulch Camp, E fork of San Gabriel River 1372 Comment
  RSA675711  Brickellia nevinii Scott D. White 2000-10-22 8138 Los Angeles San Antonio Canyon north of Shinn Rd. (=Mountain Ave.) crossing 793 Comment
  UC86167  Brickellia nevinii unknown Los Angeles Newhall 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
  POM364037  Bromus Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles. Comment
  RSA718063  Bromus carinatus var. carinatus R. G. Swinney 1997-8-19 5817 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  CATA1534  Bromus catharticus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2758 Los Angeles Santa Catalina Island: Just behind sandy beach, White's Landing 6 Comment
  CATA1168  Bromus diandrus Mark L. Hoefs 1995-5-30 2162 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  CATA626  Bromus diandrus Mark L. Hoefs 1991-4-8 1079 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  UCR271828  Bromus diandrus R. G. Swinney 2011-6-23 15309 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
  CAS-BOT-BC155586  Bromus grandis I. M. Johnston 1917-7-28 1407 Los Angeles San Antonio Mountains. North Fork San Antonio Canyon. 2438 Comment
  CHSC60483  Bromus grandis Mary MacArthur 1967-7-16 110 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12 Angeles National Forest, San Gabriel Mts. 1524 Comment
  POM1263  Bromus grandis D. L. Crawford 1916-5-20 s.n. Los Angeles Mountains above Claremont. Comment
  SD50765  Bromus grandis Darley F. Howe 1959-6-21 2720 Los Angeles 4.8 miles west of Camp Baldy, roadside. 1372 Comment
  CAS-BOT-BC155386  Bromus hordeaceus Peter H. Raven 1959-4-4 13976 Los Angeles Santa Monica Mountains. Point Dume. Near house beyond point. 21 Comment
  RSA0110791  Bromus hordeaceus Richard G. Swinney 2011-4-28 14530 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi west to San Gabriel Cyn. Dam. 878 Comment
  UCR47307  Bromus hordeaceus D. L. Koutnik 1978-4-28 434 Los Angeles Transverse Range; Santa Monica Mtns., Fire road north of Mulholland Hwy and NW of Saddle Rock 610 Comment
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Dec 25 2016
  SEINET3128727  Bromus rigidus L. R. Abrams 1902-5-31 2483 Los Angeles Along streets, Inglewood Comment
  RSA719091  Bromus rubens Naomi Fraga, Jorge Arriaga 2002-4-28 76 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope of Box Canyon. Comment
  RSA0039739  Bromus rubens Roxanne Smith 1991-5-5 10 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Drive and Steep Cyn. Road. Comment
  SEINET11672459  Bromus rubens C. V. Braun 1975-1 154 Los Angeles above San Francisquito Canyon Road, 2 mi SW of junction with Spunky Canyon Road Comment
  RSA599869  Bromus sterilis Steve Boyd, Lauren Raz 1997-5-6 9714 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
  CAS-BOT-BC161408  Bromus tectorum I. Johnston 1917-5-6 1012 Los Angeles Evey Canyon mouth. Comment
  UCR190856  Bromus tectorum R. G. Swinney 1998-7-2 6222 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA583012  Caesalpinia spinosa Tim S. Ross 1993-4-23 6934 Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; riparian strip ca 25 m SE of Eagles Nest Lodge. 146 Comment
  CAS-BOT-BC233953  Calandrinia breweri John Thomas Howell 1928-3-20 3466 Los Angeles Griffith Park Comment
  LA104163  California macrophylla T. Thomas; April 1983 568 Los Angeles Santa Monica Mountains, Malibu Creek State Park, Cistern Trail to Reagan Ranch below Overlook Trail junction Comment
  UCR214620  Callitriche A. C. Sanders, Dan S. Cooper 2010-3-12 37361 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR16013  Calocedrus decurrens Steve Stadler 1966-4-17 41766- 58 Los Angeles San Gabriel Mountains, 1 mi west of Big Pines Junction on Big Pines to Palmdale 1982 Comment
  CATA518  Calochortus catalinae Sara L. Crockett 1997-4-22 665 Los Angeles Santa Catalina Island: First N/S-trending ridge leading to Pacific Ocean, E of jct. of Wrigley Memorial Trail with East End Road, ca. 75 m S of road 291 Comment
  RSA188171  Calochortus catalinae Robert F. Thorne 1966-4-4 35780 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  SBBG31426  Calochortus catalinae R. F. Thorne 1966-4-4 35780 Los Angeles Blue Cavern Pt 30 Comment
  RSA97698  Calochortus invenustus R. M. Straw 1954-6-16 628 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
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Oct 7 2011
  UCR205611  Calochortus kennedyi var. kennedyi R. G. Swinney 2008-5-12 8838 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
  SEINET3885360  Calochortus splendens K. Dobry 1991-6-28 d 882 Los Angeles East section of Soka University, Los Virgenes Road and mulholland Hwy. Santa Monica Mountains.; 0 Comment
  RSA786599  Calochortus splendens Doris Bowers 1957-5-2 45 Los Angeles Road to Puddingstone, LaVerne 320 Comment
  UCR232362  Calochortus striatus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8032 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 100 m west of Sierra Hwy, 350 m south of Avenue G 702 Comment
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  SBBG121264  Calyptridium monandrum V. Soza, L. Moore 2000-5-10 849 Los Angeles Verdugo Crestline Drive, N of La Tuna Cyn and S of Pasko Park, fire rd S of Verdugo Crestline Dr from fire gate to power lines, W of peak '1936" 563 Comment
  UCR281966  Calyptridium monandrum R. G. Swinney 2014-4-24 16231 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  RSA0095350  Calystegia felix Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  RSA708688  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Miriam Sidibeh 2003-3-26 1602 -b Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UC1594356  Calystegia macrostegia subsp. intermedia Tim Ross, Mathew Bell 1992-3-22 6051 Los Angeles w side of Yerba Buena Road ca 360m nnw of intersection with Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  RSA602314  Calystegia occidentalis subsp. fulcrata Steve Boyd, Lauren Raz 1997-6-17 9947 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA764504  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2592 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA66534  Camelina microcarpa F. W. Peirson 1922-7-7 3181 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  UCR203199  Camissonia R. G. Swinney 2005-5-21 8249 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  LA46661  Camissonia bistorta H. Lewis; 1953-4-11 1634 Los Angeles Point Dume Comment
  RSA594746  Camissonia boothii subsp. decorticans Tim S. Ross 1995-4-26 8389 Los Angeles LIEBRE GULCH: NE side of the junction of Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site) and 8N01 in the canyon bottom. 996 Comment
  RSA773533  Camissonia campestris R. G. Swinney 2009-4-29 10574 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR270501  Camissonia campestris R. G. Swinney 2011-5-26 14850 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA700490  Camissonia campestris subsp. campestris LeRoy Gross, Paul Morton 2004-6-9 1356 -a Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  SBBG44367  Camissonia campestris subsp. campestris G. Sphon, D. Hearn 1956-5-30 18 Los Angeles Black Butte, Antelope Valley Comment
  UCR177526  Camissonia campestris subsp. campestris LeRoy Gross 2005-4-28 2134 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
  RSA729733  Camissonia claviformis subsp. claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UCR259955  Camissonia hirtella R. G. Swinney 2010-4-28 12427 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
  RSA580690  Camissonia intermedia Tim S. Ross, Steve D. Boyd 1994-5-25 7910 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  POM196707  Camissonia intermedia Bonnie C. Templeton, I. W. Clokey 1929-4-11 4458 Los Angeles Mandeville Canon, Santa Monica Mts. 366 Comment
  RSA449031  Camissonia micrantha Anstruther Davidson s.n. Los Angeles Providence Ranch, Hollywood. Comment
  RSA727337  Camissonia pallida subsp. pallida R. G. Swinney 1998-5-16 6060 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA585425  Camissonia pallida subsp. pallida Tim S. Ross, Steve D. Boyd 1990-5-31 2748 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UC69646  Camissonia strigulosa T. W. Minthorn 3 Los Angeles Los Angeles Comment
  SFV2503  Camissoniopsis bistorta C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Hillside off of Malibu Canyon Road, 6 miles from Highway 101. 180 Comment
  UC874209  Camissoniopsis bistorta I. W. Clokey and E. G. Anderson 1931-3-11 5332 Los Angeles San Gabriel Canyon 900 Comment
  SDSU8631  Camissoniopsis guadalupensis subsp. clementina R. M. Beauchamp 1967-6-2 544 Los Angeles On extreme southern limit of sand dunes south of Flasher Station on west side of Island, San Clemente Island. Comment
  LA46800  Camissoniopsis hirtella W. O. Griesel; 1936-5-17 sn Los Angeles Santa Monica Mountains, Decker Road near Mulholland Hwy Comment
  CDA38022  Camissoniopsis intermedia L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains; Kagel Canyon, by abandoned dwelling site. Comment
  CATA168  Camissoniopsis micrantha Mark L. Hoefs, A. Douglas Propst 1973-4-6 131 Los Angeles Santa Catalina Island: Middle of Cape Canyon, southeast exposure 304 Comment
  SBBG116769  Camissoniopsis micrantha R. Burgess, P. Munro 1999-4-17 3240 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 457 Comment
  RSA0113487  Camissoniopsis micrantha Lyman Benson 1945-5-11 11691 Los Angeles Canyon below Johnson's Pasture, Claremont. Mt. Range: San Gabriel. 548 Comment
  OBI35611  Capsella bursa-pastoris Rebecca Cicoria 1981-4-24 19 Los Angeles Near intersection of Crest Rd and Portuguese Bend rd, Sepulveda Cyn,along trl, Rolling Hills Comment
  UCR182721  Cardamine R. G. Swinney 1998-2-16 5899 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  SFV16779  Cardamine californica J. D. Dilley 1997-1-11 s. n. Los Angeles Verdugo Mountains La Tuna Canyon Park. 610 Comment
  UCR242027  Cardamine oligosperma Dan S. Cooper 2012-2-13 212- 8 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon along Griffith Park Dr. 169 Comment
  UCR104185  Carduus pycnocephalus Scott D. White 1997-5-21 5192 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  RSA0021698  Carex Duncan S. Bell, Caitlin Elam 2013-6-24 5271 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
  POM229072  Carex alma Phillip A. Munz 1937-5-4 15158 Los Angeles Evey Canyon. N of Claremont. 762 Comment
  RSA577699  Carex alma L. C. Wheeler 1933-5-13 1728 Los Angeles Cobal Canyon 487 Comment
  RSA628803  Carex alma Scott D. White, David E. Bramlet 1998-6-29 6828 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA764353  Carex alma Scott D. White 2004-7-28 10651 Los Angeles 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
  SEINET7549357 Image available Carex alma Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8845 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon. 549 Comment
  RSA364635  Carex alma W. P. Burger 1979-5-18 101 Los Angeles ca. 1 mi E of jct with Angeles Forest Hwy 1066 Comment
  RSA639615  Carex densa L. C. Wheeler 1967-5-23 9704 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  SJSU12781  Carex diandra C. W. Sharsmith 1940-8-29 4228 Los Angeles near head of Eaton Canyon, San Gabriel Mts 1371 Comment
  RSA364721  Carex fracta I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  UCR210117  Carex fracta R. G. Swinney 2008-7-24 9337 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
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May 10 2012
  RSA191097  Carex fracta Robert F. Thorne, M. Z. Thorne 1967-7-19 37189 Los Angeles San Gabriel Mountains. 1981 Comment
  RSA679893  Carex hassei LeRoy Gross 2003-6-7 1001 Los Angeles From Three Points (off Angeles Crest Highway) east to spring on the south side of Mt. Waterman, north end of the San Gabriel Wilderness area. 1951 Comment
  SDSU11687  Carex lanuginosa A. H. Gallup 1949-4-17 409 Los Angeles Lacsa, in sparse stands around edge of lake. 152 Comment
  CAS-BOT-BC32079  Carex multicaulis Ivan Murray Johnston 1917-7-4 1426 Los Angeles Bear Canyon 1524 Comment
  RSA91603  Carex multicaulis F. W. Peirson 1924-5-27 4626 Los Angeles north slope of Strawberry Peak, San Bernardino Mts. 1524 Comment
  CAS-BOT-BC117936  Carex schottii H. E. Hasse 1889-5-1 s.n. Los Angeles Marsh at Cienega. Comment
  RSA90850  Carex senta F. W. Peirson 1919-5-14 1625 Los Angeles W fork of Eaton Canyon 822 Comment
  RSA748454  Carex subfusca R. G. Swinney, Cody Clarke 2001-8-22 8074 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
  RSA151197  Carex tumulicola Peter H. Raven 1962-7-11 18005 Los Angeles Stream in upper reaches of first canyon south of Lemon Tank, San Clemente Island Comment
  SEINET5786998 Image available Carex utriculata S. M. Tracy 1887-1 Los Angeles Los Angeles Comment
  UCD96832  Carpobrotus chilensis Daryl Koutnik 1978-4-28 420 Los Angeles Point Dume near Zuma Beach. 45 Comment
  UCR273749  Castilleja affinis R. G. Swinney 2011-6-15 15177 A Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  LA52013  Castilleja affinis Virginia Mars; 1951-3-10 s.n. Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon Comment
  RSA425859  Castilleja affinis Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  RSA152492  Castilleja applegatei subsp. martinii Rimo Bacigalupi 1953-5-2 4050 Los Angeles Northern edge of Oak Flat Public Camp, Angeles National Forest 854 Comment
  RSA702941  Castilleja applegatei subsp. martinii Scott D. White 2004-8-11 10714 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA729833  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6346 Los Angeles San Gabriel Mtns.: Wright Mountain, south of Wrightwood. 2585 Comment
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May 24 2017
  POM98087  Castilleja applegatei subsp. martinii M. Hill 1925-4-27 s.n. Los Angeles San Antonio Canyon. San Antonio Mountains. 1067 Comment
  LA200858  Castilleja exserta subsp. exserta Philip A. Munz; R. D. Harwood 1920-3-15 3943 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  RSA0044702  Castilleja foliolosa Valerie L. Soza, Steve D. Boyd, Leland Lubinsky 2000-6-29 1047 Los Angeles Liebre Mountains: Alongside FS Road 7N22.1, between Cold Canyon and Castaic Creek, 1.6 miles SE of junction of road to summit of Liebre Mountain (FS Rd 7N23) and road to Knapp Ranch (FS Rd 7N22.1). 1189 Comment
  UC1348884  Castilleja foliolosa Robert F. Thorne and P. Everett 1965-6-23 35000 Los Angeles nw of Avalon (mouth of Hamilton Canyon); Santa Catalina Island, Hamilton Canyon 7 Comment
  UCR139425  Castilleja foliolosa Fay A. MacFadden 1931-3-17 11 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  JEPS89138  Castilleja grisea Peter Raven 1962-1 17735 Los Angeles head of canyon n of Boulder, San Clemente Island; San Clemente Island 274 Comment
  RSA587022  Castilleja linariifolia Orlando Mistretta 1994-6-15 1363 Los Angeles San Gabriel Mountains, Santiago Canyon. Comment
  UCR146103  Castilleja martinii Orlando Mistretta 1993-6-2 846 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap; north slope of Mt. Baden Powell above Vincent Gulch 2043 Comment
  RSA795198  Castilleja miniata Jane Tirrell 2012-8-3 LS 0140 Los Angeles Lily Spring, below Pacific Crest Trail, approx, 0.5 mi. northwest of Mt. Hawkins. 2480 Comment
  RSA22600  Castilleja minor subsp. spiralis Robert F. Thorne, C. W. Tilforth 1971-6-29 40693 Los Angeles San Gabriel Mountains, Angles National Forest: ca. 2.2 miles down Aliso Canyon from junction with Angeles Forest Road. 1037 Comment
  RSA448775  Castilleja minor subsp. spiralis Anstruther Davidson 1889-06 s.n. Los Angeles Glendale. Comment
  RSA594562  Castilleja minor subsp. spiralis Louis C. Wheeler 1967-7-30 10272 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  RSA622839  Castilleja minor subsp. spiralis Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  UCR146692  Castilleja minor subsp. spiralis Scott D. White 2004-8-20 10734 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UC284277  Castilleja plagiotoma P. A. Munz 1923-5-27 6878 Los Angeles Big Rock Creek; San Gabriel Mts. 1295 Comment
  JEPS81752  Castilleja pruinosa L. R. Heckard with Michael Morris 1976-6-13 4264 Los Angeles 2 mi w Route 2 (along FS Road 3N17, at entrance to Hidden Valley Scout Camp, just n of Bandito Campground); San Gabriel Mts., Hidden Valley Scout Camp 1767 Comment
  HSC95566  Caulanthus amplexicaulis John Dittes, Gina Hall 1990-7-19 270 Los Angeles San Gabriel Mtns., N of Kratka Ridge, 1.7 air mi. E of Cloudburst Summit, N of Angeles Crest Hwy., upslope of Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon 1890 Comment
  UCR220216  Caulanthus cooperi R. G. Swinney 2009-4-2 10271 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  RSA316351  Caulanthus cooperi R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54966 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCSB2280  Caulanthus coulteri B., K. 1944-6-13 Los Angeles Chapman Burn, San Dimas Experimental Forest, San Gabriel Mountains Comment
  SD90527  Caulanthus lasiophyllus Robert F. Thorne 1973-4-11 42860 Los Angeles San Clemente Island; middle portion of Norton Canyon, on canyon floor. 274 Comment
  UC1952543  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Ridge between Johnson's Valley & Howland's Valley, Santa Catalina Island. Comment
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Dec 13 2015
  JEPS42268  Ceanothus cordulatus Frank W. Peirson 1920-9-14 2277 Los Angeles Coldwater Creek, Coldwater Canyon, in the trail fork head of San Antonio Divide San Gabriel Mtns, San Antonio Mtns Comment
  LA41971  Ceanothus cordulatus Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  RSA398861  Ceanothus crassifolius L. E. Hoffman 1932-3-8 16303 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC49260  Ceanothus cuneatus Le Roy Abrams 1902-3-13 3128 Los Angeles Border of San Gabriel wash, near Azusa Comment
  RSA230715  Ceanothus greggii var. vestitus Robert F. Thorne, M. Z. Thorne 1969-7-9 38477 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  CAS-BOT-BC50845  Ceanothus insularis Carl B. Wolf 1941-6-25 11221 Los Angeles Rancho Santa Ana Botanic Garden - Flat, in nersery. Originally collected: Santa Catalina Island, head of Avalon Canyon 121 Comment
  POM184710  Ceanothus integerrimus Joseph A. Ewan 1932-6-17 7240 Los Angeles Summit San Gabriel Peak, San Gabriel Mountains. Comment
  CAS-BOT-BC50570  Ceanothus leucodermis Ernest C. Twisselmann 1959-6-2 5327 Los Angeles Summit of Liebre Mountain 1706 Comment
  RSA651871  Ceanothus leucodermis Michael Krawczyk 1981-4-26 3 Los Angeles 200 yards down canyon on north side of Highway 39, 2 miles south of Rincon forest station in the San Gabriel Mtns. Comment
  RSA774617  Ceanothus leucodermis R. G. Swinney 2009-7-29 11425 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR271183  Ceanothus leucodermis R. G. Swinney 2011-6-14 15107 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UC170186  Ceanothus oliganthus var. oliganthus Geo. B. Grant June, 1904 147 a Los Angeles Pasadena Comment
  RSA599192  Ceanothus spinosus Scott D. White 1997-3-12 4742 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCSB18626  Ceanothus spinosus Hurst, Linda 1963-2-28 Los Angeles N. Kenter Road, Brentwood, 3 miles N of Sunset Blvd., 10 miles N of U.S. Highway 101 548 Comment
  POM304736  Centaurea melitensis Henry J. Ramsey, Henry J. Ramsey 1937-5-16 144 Los Angeles Altadena, N. Craig Ave. Comment
  UC126900  Centaurium venustum H. M. Hall and H. P. Chandler 1906-6-13 7408 Los Angeles Fernando Valley 300 Comment
  POM296509  Cercocarpus betuloides Lyman D. Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15097 Los Angeles Santa Catalina Island. North face of Swain Canyon, Whites Landing. Comment
  RSA650393  Cercocarpus betuloides Marion P. Harthill 1972-4-8 s.n. Los Angeles Coldbrook Ran. Station. 1067 Comment
  SD181358  Cercocarpus betuloides J. Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap. 1399 Comment
  CHSC26363  Cercocarpus betuloides var. betuloides T. Ambrose 1966-4-23 64 Los Angeles 4 miles below Jackson Lake at Big Pines in the San Gabriel Mountains. 1219 Comment
  UCR271547  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-11-3 15993 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 549 Comment
  CAS-BOT-BC142159  Cercocarpus betuloides var. betuloides Bunch 1974-8-15 0508 Los Angeles West end of archery course - Castaic Comment
  SD80925  Cercocarpus betuloides var. blancheae James Henrickson 1969-4-10 4244 Los Angeles 4 miles So. of Thousand Oaks along Decker Rd. in Santa Monica Mtns. 366 Comment
  SEINET4090497  Cercocarpus betuloides var. blancheae R. Moran 1941-1 703 Los Angeles Hermit Gulch, Santa Catalina Island. 50 Comment
  UCD113076  Cercocarpus betuloides var. blancheae P. B. Kennedy 1928-3-28 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC279513  Chaenactis artemisiifolia W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe Comment
  CAS-BOT-BC279533  Chaenactis artemisiifolia F. W. Peirson 1919-7-3 242 Los Angeles Lukens Peak, San Gabriel Mts. 914 Comment
  SBBG15751  Chaenactis fremontii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  RSA717340  Chaenactis glabriuscula Scott D. White, Pam De Vries 2006-5-9 11385 Los Angeles SE Tehachapi Mtns: Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SEINET10907485  Chaenactis glabriuscula David B. Dunn 1941-3-30 Dunn 993 Los Angeles Sparse grassy land 3 miles east of Banning. 2 miles west of Redlands by the railroad tracks. Comment
  UCSB7141  Chaenactis glabriuscula Haller, Norman 1953-4-18 Los Angeles Hwy. 138, about 18 miles E. of Gorman, Mojave Desert, Antelope Valley 914 Comment
  RSA0091737  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UC481113  Chaenactis santolinoides Charlotte M. Wilder 1905-8-20 592 Los Angeles San Antonio Mt. 2590 Comment
  RSA772397  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 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
  RSA774278  Chaenactis stevioides R. G. Swinney 2009-6-17 11182 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  JEPS17082  Chaenactis xantiana Rimo Bacigalupi 1955-4-6 4814 Los Angeles 1 mi e of Lancaster; Mojave Desert Comment
  SBBG65622  Chaenactis xantiana R. Hoffmann 1929-5-22 Los Angeles Del Sur to Elizabeth Lake Comment
  UCR270152  Chaenactis xantiana R. G. Swinney 2011-4-20 14434 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA561602  Chamaesyce maculata Steve Boyd 1993-6-1 8171 Los Angeles north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Foresst. Along Whitney Canyon Road. 853 Comment
  RSA432391  Chamaesyce melanadenia Anonymous 1918-06 s.n. Los Angeles W. Hollywood. Comment
  RSA616712  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  SEINET10470300  Cheilanthes fendleri Jason R. Grant, W. Wheeler 1904-5-17 Grant UMO 32272 Los Angeles Collected at Mt. Wilson, southern California. In crevices of rocks. 1524 Comment
  SEINET3153755  Cheilanthes intertexta L. T. Stephenson sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] Comment
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Dec 17 2016
  SFV6933  Chenopodium T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 642 Los Angeles Santa Monica Mountains Malibu Creek at Tapia Park. 137 Comment
  UCR189868  Chenopodium R. G. Swinney 1998-7-21 6485 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  UCR277255  Chenopodium R. G. Swinney 2010-9-30 13931 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
  RSA423270  Chenopodium album Anstruther Davidson 1892-09 s.n. Los Angeles E. Los Angeles. Comment
  SEINET4152004  Chenopodium album J. Barber 1897-9-3 281 Los Angeles Santa Monica Forestry Station Comment
  RSA594203  Chenopodium berlandieri Steve Boyd, Lauren Raz 1996-10-14 9050 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  SBBG95451  Chenopodium berlandieri M. B. Dunkle 1928-10-19 2005 Los Angeles Middle Ranch Cyn Comment
  UCR125238  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles NE end of Santa Susana Mtns., Santa Clara River Valley, south side at edge of farm fields near mouth of 'Long Canyon' c. 1 km due south of Del Valle 274 Comment
  UCR186678  Chenopodium botrys T. B. Salvato, Sarah Flack 2007-8-8 3024 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  RSA478471  Chenopodium botrys Raymond J. Dobbs s.n. Los Angeles Mt. Pacifico, S. Calif Comment
  RSA771568  Chenopodium californicum R. G. Swinney 2009-5-6 10666 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR95548  Chenopodium californicum L. C. Wheeler 1967-5-2 9257 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  OBI69329  Chenopodium californicum John Knapp, Denise Knapp 2003-5-10 64 Los Angeles Catalina Island; 367500.37N x 3695802E 320 Comment
  SD107892  Chenopodium macrospermum Robert F. Thorne, D. Propst 1974-9-12 45096 Los Angeles Santa Catalina Island: Desiccated margin of Thomson Reservoir in coastal sage scrub. 214 Comment
  UCR113115  Chenopodium murale Scott D. White 1996-5-19 4053 Los Angeles City of Claremont: Geneva Ave, north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne Street. 320 Comment
  RSA606946  Chenopodium pumilio L. C. Wheeler 1946-9-8 6350 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 3/4 mile W of Bear Creek. 518 Comment
  POM306750  Chlorogalum pomeridianum Henry J. Ramsey, Henry J. Ramsey 1937-5-27 1648 Los Angeles N. Craig Avenue, Altadena. Comment
  UCR230245  Chorizanthe coriacea Dan S. Cooper 2011-4-26 411- 9 A Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  NY468364  Chorizanthe parryi var. fernandina S. B. Parish 06 1887 1987 Los Angeles San Fernando Valley Comment
  RSA65167  Chorizanthe parryi var. parryi F. W. Peirson 1920-5-12 2131 Los Angeles Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. 183 Comment
  CAS-BOT-BC244730  Chorizanthe staticoides G. B. Grant 1900-4-8 s.n. Los Angeles Garranza Comment
  CAS-BOT-BC244804  Chorizanthe staticoides Louis C. Wheeler 1932-4-30 668 Los Angeles Mandeville Canyon, Santa Monica Mts. Bare S clay ridge 152 Comment
  RSA512151  Chorizanthe staticoides S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. 884 Comment
  RSA783629  Chorizanthe staticoides J. D. Olmsted 1958-5-15 148 Los Angeles Southward drainage along San Antonio Creek in Blanchard Park o Pomona College Campus, near eastern boundary of Los Angeles County 366 Comment
  SBBG62278  Chorizanthe staticoides M. N. Ackley -May-1922 850 Los Angeles Burbank Hills 274 Comment
  UC1211062  Chorizanthe staticoides Huron H. Smith 1912-5-3 4922 Los Angeles Azusa 243 Comment
  UC450090  Chorizanthe staticoides J. Burtt Davy May 9 1896-May 24 1896 2638 a Los Angeles Leonis Valley , Leonis Valley (Antelope Valley) Comment
  UC635061  Chorizanthe staticoides Margaret Stason 1927-5-14 Los Angeles Bouquet Canyon , Bouquet Canyon (San Gabriel Mountains) Comment
  UCR192818  Chorizanthe staticoides Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  NY285657  Chorizanthe staticoides var. latiloba A. D. E. Elmer 06 1902 3689 Los Angeles Acton Comment
  RSA599769  Chorizanthe watsonii Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9788 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA601340  Chorizanthe xanti subsp. xanti Steve Boyd, Lauren Raz 1997-6-17 9954 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  RSA756121  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2008-4-30 2573 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  UCR93942  Chrysanthemum coronarium B. G. Pitzer, Paul Gomez 1996-4-28 2742 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  UC1980198  Chrysanthemum coronarium R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  RSA588697  Chrysothamnus nauseosus subsp. consimilis Orlando Mistretta 1995-7-12 1915 Los Angeles Little Rock Creek 1159 Comment
  RSA630255  Chrysothamnus nauseosus subsp. consimilis Scott D. White, David E. Bramlet 1998-8-11 7054 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
  RSA78897  Chrysothamnus nauseosus subsp. mohavensis E. K. Balls, Percy C. Everett 1952-10-3 18007 Los Angeles 2.3mi. N of lancaster, Hwy 6 at jct. with Hwy 138. 762 Comment
  SBBG61422  Chylismia claviformis J. R. and R. C. Robbins 1930-3-25 Los Angeles Mojave Desert Comment
  CAS-BOT-BC285403  Cirsium occidentale var. californicum Timothy S. Ross; Steve Boyd 1994-5-25 7946 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  LA94414  Cirsium occidentale var. californicum Norman A. Cole; May 1964 361 B Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  RSA0070677  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2976 Los Angeles Upper Big Tujunga Canyon: ridge descending northeastward from Barley Flats road toward Big Tujunga Creek (ca. 0.9-1.4 airmiles E of Barley Flats). 1280 Comment
  JEPS30413  Cirsium occidentale var. venustum Donald Kyhos 1958-6-20 58 -217 Los Angeles 0.75 m s Gorman (Highway 99) Comment
  SBBG65979  Cirsium occidentale var. venustum R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  POM175347  Cistanthe monandra E. Crow 1930-6-29 s.n. Los Angeles One mile below Crystal Lake Comment
  RSA716665  Cistanthe monandra Scott D. White, Pam De Vries 2006-5-10 11448 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
  RSA65419  Cistanthe monosperma F. W. Peirson 1905-7-14 34 Los Angeles San Antonio Canyon, San Gabriel Mts., Los Angeles Co., California Comment
  LA45546  Clarkia bottae M. Zaitlin; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, North Sepulveda Way. 396 Comment
  RSA453479  Clarkia bottae Bonnie C. Templeton 1930-5-27 1464 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  RSA746850  Clarkia bottae Orlando Mistretta 1992-5-21 389 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  SFV4913  Clarkia cylindrica M. H. Grayum 1971-5-19 s. n. Los Angeles Santa Monica Mountains Along most northerly segment of Dry Canyon - Cold Creek Road, behind the school. 457 Comment
  CAS-BOT-BC172257  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1993-5-23 7257 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft), ca 700 m SSW of Plum springs (in upper Clearwater Canyon), Green Valley 7.5' USGS quad., Liebre Mountains 908 Comment
  RSA453468  Clarkia dudleyana Edwin Kline 1924-6-22 s.n. Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  SBBG28049  Clarkia dudleyana C. L. Hitchcock 1928-5-11 46 Los Angeles above dam, San Dimas Cyn 1000 Comment
  UCR206120  Clarkia dudleyana R. G. Swinney 2008-5-30 8904 Los Angeles San Gabriel Mtns., San Gabriel Canyon near El Encanto, 200 m west of entrance along Hwy 39 232 Comment
  SBBG131955  Clarkia epilobioides S. A. Junak 2000-4-15 SCa 1201 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from junction with Divide Rd 478 Comment
  RSA73331  Clarkia epilobioides F. W. Peirson 1921-4-21 47025 Los Angeles Trail to Sycamore Flat, San Gabriel Mountains. 530 Comment
  RSA579515B  Clarkia heterandra Tim S. Ross, Steve D. Boyd 1994-6-23 8062 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  UCR168195  Clarkia heterandra W. R. Dudley, F. H. Lamb 1896-6-9 4429 Los Angeles Transverse Ranges; Liebre Mtns region, canyon near Elizabeth Lake, 'Fir Canyon Comment
  UCR189412  Clarkia purpurea R. G. Swinney 1998-5-25 6149 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  OBI5929  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles Santa Catalina Island. 3.5 mi (by rd) from Avalon on way to Isthmus 366 Comment
  JEPS43822  Clarkia rhomboidea Frank W. Peirson 1920-6-10 2161 Los Angeles trail by Mt. Markham; San Gabriel Mountains 1645 Comment
  RSA674733  Clarkia unguiculata Scott D. White, Pam DeVries 2000-5-18 7912 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  UCR125381  Claytonia parviflora A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25724 Los Angeles NE end of Santa Susana 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, west of 'oil tanks' near BM 1073 Comment
  UCD100709  Claytonia parviflora subsp. parviflora Colector Unknown 1962-4-10 15 Los Angeles 3 mi. W. Topanga Canyon - Mulholland. Santa Montica Mts. 356 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
  RSA329733  Claytonia perfoliata subsp. intermontana Gary D. Wallace 1965-3-25 212 Los Angeles San Gabriel Mountains, Millard Canyon, north of Pasadena 915 Comment
  RSA599714  Claytonia rubra subsp. rubra Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9463 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SBBG127080  Claytonia rubra subsp. rubra A. Parikh, N. Gale 2011-6-28 3519 Los Angeles upper Big Tujunga Cyn, 0.1 km SW of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1280 Comment
  RSA127809  Clematis lasiantha Peter H. Raven, Henry J. Thompson 1959-9-27 s.n. Los Angeles Latigo Canyon Road 1.0 mile east of Newton Canyon. 564 Comment
  VVC427  Clematis ligusticifolia P. J. MacKay 1989-1 s.n. Los Angeles San Gabriel Mtns, Jackson Lake. about 10 miles west of Wrightwood on Highway N4. About 300 m from lake 1873 Comment
  POM93807  Collinsia callosa Marion Hill 1926-5-9 s.n. Los Angeles San Antonio Mountains. West end of Swartout [Swarthout] Valley near Big Rock Creek. Comment
  IRVC28163  Collinsia heterophylla A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26274 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  POM49311  Collinsia heterophylla Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  UC1032546  Collinsia heterophylla A. D. Gifford 1935-5-8 687 Los Angeles 4 3/4 mi ene of Warm Springs (Angeles National Forest); Angeles National Forest 822 Comment
  UC741163  Collinsia heterophylla B. C. Templeton 1939-4-26 5486 Los Angeles Santa Monica Mountains, Huntingon Palisades Huntingon Palisades; Santa Monica Mountains, Huntingon Palisades 640 Comment
  RSA240671  Collinsia heterophylla Donald R. Bissing 1973-6-2 106 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  CAS-BOT-BC240943  Collinsia parryi Frank W. Peirson 1923-5-21 3514 Los Angeles San Gabriel Mts., Fish Canon [Canyon] Comment
  UCR138848  Collinsia parryi L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns., San Antonio Canyon, north side of ridge north of Cascade Canyon 1189 Comment
  UCR190813  Collinsia torreyi R. G. Swinney 1999-7-5 7515 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  SD30234  Colutea arborescens Paul O. Schallert 1943-4-19 Los Angeles Monrovia, in canyon Comment
  LA46185  Comarostaphylis diversifolia subsp. diversifolia K. Kneen; 1933-8-25 6212 Los Angeles Santa Monica Mountains Comment
  RSA747096  Conium maculatum A. C. Sanders, T. B. Salvato 2009-5-19 36835 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
  LA212297  Convolvulus arvensis Harold Pirie; 1963-5-11 s.n. Los Angeles Woodland Hills, Pierce College campus. 243 Comment
  UC624986  Convolvulus arvensis F. R. Fosberg 1931-5-2 S 4745 Los Angeles Middle Ranch Dam Santa Catalina Island, Middle Ranch Canyon 200 Comment
  RSA0060883  Conyza bonariensis R. G. Swinney 2010-8-16 13562 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SEINET10808297  Conyza bonariensis David B. Dunn 1947-7-20 Dunn 2995 Los Angeles Collected at 316 North Avenue 50. Comment
  RSA0084702  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Pacifico Mountain summit. 2134 Comment
  CAS-BOT-BC287754  Coreopsis bigelovii Raymond Lindholm 1961-3-25 s.n. Los Angeles Little Rock Canyon Comment
  RSA0089421  Coreopsis bigelovii R. G. Swinney 2011-4-20 14435 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UC895182  Coreopsis bigelovii Ira W. Clokey, B. Templeton Mar 1929 4520 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 350 Comment
  UCR187205  Coreopsis bigelovii A. C. Sanders 2006-4-21 32146 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  CAS-BOT-BC287871  Coreopsis californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9482 Los Angeles 4 miles NE of Lancaster on the Muroc Rd Comment
  CAS-BOT-BC287926  Coreopsis californica Geo. B. Grant 1903-3-21 s.n. Los Angeles Garvanza Comment
  UC895144  Coreopsis californica var. californica Lewis S. Rose 1937-4-9 37073 Los Angeles 9 mi e Palmdale 822 Comment
  UC1536842  Coreopsis calliopsidea G. H. True Jr. 1935-3-28 183 Los Angeles 2 mi s of Palmdale (.5 mi e of main highway) Comment
  RSA233643  Coreopsis gigantea R. F. Thorne 1970-3-6 39410 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  UC456076  Coreopsis gigantea I. J. Condit 1911-3-27 Los Angeles bank overlooking bay Catalina Island Comment
  CAS-BOT-BC105741  Corethrogyne filaginifolia Fay A. Mac Fadden 1936-9-6 14734 Los Angeles Lake Arrowhead Comment
  UC74074  Corethrogyne filaginifolia Joseph Burtt Davy 1896-10-14 2724 Los Angeles near Forestry Station; Santa Monica Comment
  UC876077  Cornus glabrata Ezra C. Knopf 126 Los Angeles Santa Catalina Isl. Comment
  RSA200011  Cornus stolonifera Wandalee Thompson 1968-9-5 s.n. Los Angeles Shake Canyon about 6 miles west of Lake Hughes. 1524 Comment
  UCR205672  Coronopus didymus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36976 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  POM34143  Cotula australis George B. Grant 1905-4-3 s.n. Los Angeles Pasadena. Comment
  POM143666  Crassula connata F. R. Fosberg 1931-3-20 S- 4313 Los Angeles Mouth of Hamilton Canyon, Santa Catalina Island 2 Comment
  RSA725670  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  SEINET10874356  Crassula tetragona Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4831 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
  RSA675870B  Crassula tillaea LeRoy Gross 2003-3-9 782 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCD101827  Crassula tillaea Robert F. Thorne 1979-4-25 52776 Los Angeles south end of desert garden growing on hard packed ground in Rancho Santa Ana Garden. Comment
  CATA3179  Cressa truxillensis Julie L. King 2016-10-25 7 Los Angeles Santa Catalina Island: South of campsite #2 at Parsons Landing, in sand 6 Comment
  SBBG78934  Cressa truxillensis F. R. Fosberg 1931-5-16 4880 Los Angeles Little Harbor 2 Comment
  UCR252197  Cressa truxillensis Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  SBBG13486  Crocanthemum greenei E. R. Blakley 1962-10-5 5433 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  CAS-BOT-BC181052  Crossosoma californicum June Giddings 1924-8-1 s.n. Los Angeles Giddings Hill - Santa Catalina Island Comment
  NY268577  Crossosoma californicum R. F. Thorne 1970-3-5 39349 Los Angeles Santa Catalina Island: Middle Ranch Canyon. 243.8 Comment
  RSA656867  Croton californicus Joseph M. Keefe 2001-1-24 31016 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR178178  Croton californicus LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 679 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  SEINET3926250  Crypsis schoenoides Timothy S. Ross, Steve Boyd 1994-9-21 8329 Los Angeles 'Cow Spring Pond': Sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  SEINET13203239 Image available Cryptantha R. G. Swinney 2011-1 15247 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
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Dec 6 2018
  UCR276816  Cryptantha R. G. Swinney 2010-5-21 12886 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
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Feb 19 2020
  RSA79594  Cryptantha barbigera F. W. Peirson 1928-6-2 7944 Los Angeles Trail up South Fork of Rock Creek. 1677 Comment
  UCR141322  Cryptantha barbigera R. F. Thorne 1974-4-9 44706 Los Angeles San Gabriel Mtns, Bobs Gap in Holcomb Ridge 1220 Comment
  SBBG133674  Cryptantha barbigera var. barbigera L. Gross, P. DeVries, O. Gasser 2015-4-7 6950 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  RSA600015  Cryptantha circumscissa Steve Boyd, Lauren Raz 1997-5-29 9928 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1127 Comment
  POM246607  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-4-4 4492 Los Angeles Ocean bluffs near Cherry Canyon, Santa Catalina Island 80 Comment
  UCR165417  Cryptantha intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29491 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  POM368258  Cryptantha intermedia L. C. Wheeler 1934-4-24 2542 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA534032  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5294 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest 1336ft marker, 1800ft SE of Malo Knoll (1396ft). 274 Comment
  RSA536085  Cryptantha intermedia Tim Ross 1991-5-21 5432 Los Angeles San Clemente Island, upper Box Canyon, northwesterly canyon slope (descending into canyon) above area where the canyon bottom is 1175ft. 396 Comment
  RSA249775  Cryptantha micrantha R. F. Thorne 1973-4-20 42994 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA369507  Cryptantha micromeres Martha Hilend 1929-5-14 s.n. Los Angeles Mt. Lowe. Comment
  RSA0088153  Cryptantha microstachys R. G. Swinney 2010-8-30 13610 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA13413  Cryptantha microstachys C. B. Wolf 1936-5-26 7830 Los Angeles Indian Canyon Camp, 2 mi. off Soledad Canyon, NW end of of San Gabriel Range. 914 Comment
  RSA647795  Cryptantha microstachys LeRoy Gross, Laura Moore 2000-6-5 203 b Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  RSA682619  Cryptantha microstachys Scott D. White, Michael Honer 2003-5-7 9217 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA708019  Cryptantha microstachys Scott D. White, Jennifer H. Jones 2005-6-23 11145 Los Angeles Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon. 976 Comment
  RSA709538  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  CAS-BOT-BC183884  Cryptantha muricata Timothy S. Ross; Steve Boyd 1994-5-10 7699 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  RSA0105981  Cryptantha muricata R. G. Swinney 2011-7-8 15507 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
  UCD119931  Cryptantha muricata Steve Boyd; Thomas Elias 1987-4-14 2068 Los Angeles San Gabriel Mountains, ridge between Pine Mountain and Silver Mountain south of Rincon - Red Box Road, north of Glendora. Comment
  UCR220247  Cryptantha muricata R. G. Swinney 2009-4-28 10516 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR77562  Cryptantha muricata T. S. Ross, Peter Fritsch 1990-6-20 3671 Los Angeles San Gabriel Mtns., ridgetop between W fork San Gabriel River and Roberts Canyon 1305 Comment
  RSA0013634  Cryptantha muricata var. denticulata Orlando Mistretta, Jamie Reese 2011-7-28 6010 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  RSA0089514  Cryptantha muricata var. denticulata R. G. Swinney 2011-7-21 15527 Los Angeles Strawberry Peak summit 1860 Comment
  RSA0079304  Cryptantha muricata var. jonesii Timothy S. Ross, Steve Boyd 1993-5-23 7288 Los Angeles Liebre Mountains: Lower, easterly ridge of Red Mtn, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  HSC87301  Cryptantha muricata var. muricata Steve Boyd, T. S. Elias 1987-4-14 2058 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., S of Rincon - Red Box Rd., N of Glendora Comment
  SBBG24810  Cryptantha muricata var. muricata R. N. Philbrick 1965-5-20 B 65 -1176 Los Angeles 1 mi E of Agua Dulce Rd and ca. 1 mi S of Antelope Valley Freeway 701 Comment
  UCR263278  Cryptantha muricata var. muricata Anuja Parikh, Nathan Gale 2012-5-9 3587 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  RSA0079572  Cryptantha muricata var. muricata L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Bad Canyon at Santa Clara Divide Road. 1303 Comment
  UCR186944  Cryptantha nevadensis var. rigida A. C. Sanders 2006-4-10 31996 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  UCR203180  Cryptantha nevadensis var. rigida R. G. Swinney 2005-7-21 8311 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA716351  Cryptantha nevadensis var. rigida Andrea Edwards, Pam De Vries 2006-5-15 103 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA730303  Cryptantha oxygona R. G. Swinney 1999-6-18 7303 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  UCR178077  Cryptantha oxygona LeRoy Gross, B. Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 938 Los Angeles Transverse Ranges; San Gabriel Mountains, Pacifico Mountain Road (3N17) c. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff 1799 Comment
  UCR205905  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR205686  Cucurbita foetidissima A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36914 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
  UCR205523  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA0022377  Cuscuta Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5138 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA642096  Cuscuta Orlando Mistretta 1994-6-8 1343 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Little Rock Section. Comment
  RSA719132  Cuscuta Naomi Fraga 2001-4-20 16 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  LA210101  Cuscuta californica C. & M. Epling; 1925-5-18 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  POM3544  Cuscuta californica P. A. Munz 1918-5-19 2267 Los Angeles Pomona. Comment
  UCR155376  Cuscuta californica A. C. Sanders, T. B. Salvato 2005-5-24 30270 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  RSA014990  Cuscuta californica Fay A. MacFadden 1929-6-16 1284 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA709607  Cuscuta californica var. californica A. C. Sanders, A. Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA746562  Cuscuta californica var. californica Orlando Mistretta 1992-8-17 749 Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  HSC93637  Cuscuta californica var. californica L. C. Wheeler 1970-9-10 Los Angeles San Gabriel Mtns., ridge at head of S Fork Alder Gulch 2134 Comment
  RSA576956  Cuscuta campestris L. C. Wheeler 1938-8-28 1293 Los Angeles 1 mile SW La Verne 274 Comment
  RSA409727  Cuscuta ceanothi Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
  RSA729478  Cuscuta denticulata R. G. Swinney 1999-6-21 7378 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA228743  Cuscuta subinclusa Jacquiline Bonquet 1960-8-28 s.n. Los Angeles Vincent Gulch, along Hwy 2 1371 Comment
  RSA747389  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato 2009-5-20 36884 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
  RSA202474  Cyclospermum leptophyllum R. L. Armacost 1959-9-12 889 Los Angeles Santa Monica Comment
  RSA483544  Cynodon dactylon Grethe Moskedahl 1923-4-23 s.n. Los Angeles Downey. Comment
  RSA714063  Cynodon dactylon G. Ocampo 2006-3-19 1673 Los Angeles Parque ubicado en Claremont Blvd., entre Arrow Route y First St., lado W de la calle. Claremont. Comment
  UCR180181  Cynodon dactylon R. G. Swinney 1989-4-6 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, debris basin parking area 351 Comment
  RSA764405  Cyperus eragrostis Justin M. Wood 2009-9-9 1295 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA550686  Cyperus eragrostis Timothy S. Ross, Annette Ross 1991-7-29 5718 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona; T1S R9W, W2/3 S/2 sect 26 (projected from sect 35) on San Dimas USGS 7.5' quad. 232 Comment
  POM211782  Cyperus squarrosus L. C. Wheeler 1933-10-22 2193 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  RSA669284  Datisca glomerata LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 555 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  RSA233465  Datisca glomerata R. F. Thorne, M. Z. Thorne 1968-11-9 37858 Los Angeles along hwy on W slope of Mt. Islip 3.9 miles S of junction with Angeles Crest Hwy at Islip saddle. 1828 Comment
  UCR205941  Datura stramonium A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37064 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA421874  Datura wrightii F. R. Fosberg 1931-5-21 S- 4928 Los Angeles Fourth of July Bay, Santa Catalina Island. Comment
  UCR277135  Datura wrightii R. G. Swinney 2010-6-8 13224 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  CAS-BOT-BC130917  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-3 300 Los Angeles Santa Barbara Island Comment
  CAS-BOT-BC130937  Deinandra clementina Katharine Brandegee s.n. Los Angeles Santa Catalina Island Comment
  LA200231  Deinandra fasciculata Carl Epling; Nesta Hutchinson May 30 191 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA719493  Deinandra fasciculata Gary Kovnat, LeRoy Gross 2003-6-28 43 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SFV21469  Deinandra fasciculata L. Gross 2001-5-27 421 Los Angeles Verdugo Mountains Northwest side of mountains. Dead end street at corner of Tuxford St. and Ledge Ave. just north of Sun Valley, just west of mouth of McDonald Creek. Along dirt trail on the crest between La Tuna Canyon and Sunland Blvd. Collection just west of above coordinates. 427 Comment
  LA209912  Deinandra fasciculata H. Lewis; 1940-8-12 Los Angeles Campus of University of California at Los Angeles Comment
  SBBG17787  Deinandra fasciculata P. H. Raven 1962-7-11 17994 Los Angeles N of station Nanny, N of Lemon Tank Comment
  UC174178  Deinandra kelloggii J. Grinnell 1903-6-30 Los Angeles Pasadena Comment
  SD237329  Deinandra minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 1 Los Angeles Western Transverse Range: east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetary. 321 Comment
  SEINET3148750  Delairea odorata G. B. Grant 1905-1-15 1194 Los Angeles Pasadena Comment
  SD181369  Delphinium cardinale LeRoy Gross 2003-6-17 1027 Los Angeles Verdugo Mountains Region: south side; along road across from Brand canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  UC150025  Delphinium cardinale LeRoy Abrams 1902-7-3 2647 Los Angeles Little Santa Anita Canyon San Gabriel Mountains Comment
  POM121821  Delphinium parryi Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA398733  Delphinium parryi subsp. parryi I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  RSA584620  Delphinium patens subsp. hepaticoideum Tim S. Ross, S. D. Boyd 1991-4-25 4611 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
  CATA3430  Dendromecon harfordii Stuart Olshevski, Jaimie Choi 2017-4-26 003 Los Angeles Santa Catalina Island: Middle Cottonwood WMU along El Rancho Escondido Road below the Airport 359 Comment
  CAS-BOT-BC82897  Dendromecon rigida Geo. B. Grant 1904-6-17 6300 Los Angeles Pasadena. Comment
  OBI11828  Dendromecon rigida Bill Arbaugh 1966-3-27 s.n. Los Angeles Cold Cyn rd, Santa Monica Mts 457 Comment
  RSA433210  Dendromecon rigida T. W. Minthorn 1924-4-1 s.n. Los Angeles Mint Canyon. Bet. Newhall and Palmdale. Comment
  PASA447  Dendromecon rigida Marjorie Magee Los Angeles Foothills Comment
  SEINET4689903  Dendromecon rigida Leila M. Shultz 1980-4-28 4036 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
  RSA603540  Dendromecon rigida subsp. rigida Sara L. Crockett 1979-1-18 557 Los Angeles 2.2 miles NW on Stage Road from jct. with Middle Ranch Rd. 366 Comment
  RSA229066  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40779 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  RSA598850  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross 1997-3-21 9222 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  RSA725094  Descurainia pinnata subsp. halictorum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -28 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SD31163  Descurainia pinnata subsp. halictorum Edith A. Purer 1931-2-21 154 Los Angeles Palos Verdes Hills Comment
  CAS-BOT-BC402256  Dicentra chrysantha Tim Ross; Steve Boyd 1992-7-5 6615 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  CAS-BOT-BC402267  Dicentra chrysantha Le Roy Abrams; E. A. McGregor 1908-6-19 384 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  SFV15563  Dichelostemma capitatum R. K. Stachelek 1992-4-14 35 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. 500 Comment
  UCR170694  Dichelostemma capitatum Alex R. Van Dam 2004-4-25 036 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR186560  Dichelostemma capitatum A. C. Sanders 2006-4-25 32202 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
  UCR277393  Dichelostemma capitatum R. G. Swinney 2010-6-1 13163 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  SDSU11605  Dichelostemma capitatum R. M. Beauchamp 1967-3-17 255 Los Angeles On grassy slope east of Wilson Cove area. San Clemente Island. Comment
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May 16 2008
  SD262172  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-8 16453 Los Angeles San Gabriel Mountains: near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. Confluence. 537 Comment
  RSA590423  Dichondra occidentalis T. S. Ross 1993-4-21 6842 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
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Jan 14 2008
  SBBG98606  Diplacus X australis T. Ross 1991-3-9 4205 Los Angeles SE side of ridgetop knoll, head of Oak Cyn Comment
  SEINET13693637  Diplacus aurantiacus G. B. Grant 1904-5-24 286 Los Angeles Altadena. Comment
  LA201037  Diplotaxis tenuifolia Peter H. Raven; 1958-9-28 13731 Los Angeles Santa Monica Mountains, Elysian Park 198 Comment
  RSA611369  Distichlis spicata L. C. Wheeler 1968-9-16 s.n. Los Angeles Una Lake, near Palmdale. Comment
  SBBG62190  Dodecahema leptoceras Anstruther Davidson -May-1893 Los Angeles Newhall Comment
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Jan 25 2016
  UC56419  Dodecatheon clevelandii subsp. clevelandii Ernest Braunton Feb. 1903 815 Los Angeles Griffith Park Comment
  CAS-BOT-BC41604  Draba corrugata var. corrugata Le Roy Abrams; E. A. McGregor 1908-7-3 610 Los Angeles North Baldy Mountain. San Gabriel Mountains. 2743 Comment
  POM6745  Draba cuneifolia var. integrifolia P. A. Munz, L. T. Street, Williams 1919-3-8 2296 Los Angeles Pomona. Comment
  CAS-BOT-BC67942  Dryopteris arguta E. Lloyd 1933-4-1 s.n. Los Angeles Santa Monica Mts., Temescal Canyon Comment
  LA200117  Dryopteris arguta Lawrence L. Kiefer; 1966-3-19 1741 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  LA33500  Dryopteris arguta Peter H. Raven; Henry J. Thompson 1959-10-31 14726 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, 5 mi. N of Sunset Blvd. 274 Comment
  RSA674577  Dryopteris arguta Scott D. White 2000-8-25 8131 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UCR193682  Dudleya cymosa R. G. Swinney, Dave Larson 1999-5-29 7233 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA668079  Dudleya cymosa subsp. pumila Michael C. Long 2001-6-5 MCL- 680 Los Angeles San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls. 390 Comment
  CAS-BOT-BC109691  Dudleya densiflora E. K. Balls 1954-8-3 19735 Los Angeles San Gabriel Mountains. At mouth of San Gabriel Canyon. 228 Comment
  RSA497542  Dudleya densiflora W. Wisura, Orlando Mistretta 1989-6-7 4376 Los Angeles San Gabriel Canyon Near El Encanto, Comment
  UCR150629  Dudleya densiflora Scott D. White 1997-5-8 5072 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  POM1586  Dudleya lanceolata C. F. Baker 1904-05 4859 Los Angeles Hills near Claremont Comment
  RSA0049486  Dudleya lanceolata Richard G. Swinney 2010-5-7 12614 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy, overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA397799  Dudleya lanceolata Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UCR180583  Dudleya lanceolata Scott D. White, Pam Devries 2006-5-10 11418 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
  UC1127124  Dudleya multicaulis Jerome S. Horton 1937-5-8 440 Los Angeles San Dimas Canyon; San Dimas Experimental Forest, Pomona Quad. 518 Comment
  CAS-BOT-BC417761  Dudleya pulverulenta Reid Moran 1941-5-23 871 Los Angeles Topango Canyon 100 Comment
  SD92020  Dudleya virens Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-22 22678 Los Angeles San Clemente Island; 1.25 mile north of Eel Point. 14 Comment
  UC1593824  Dudleya virens Jim Dice, Rowena Thompson and Bob Thompson 1983-6-7 350 Los Angeles 0.6 mi s Palos Verdes Dr South (se of Portuguese Bend, on cliff above ocean); Palos Verdes Hills Comment
  RSA582040  Echinochloa colona L. C. Wheeler 1931-9-11 137 Los Angeles 2 miles NE La Verne. 381 Comment
  OBI14179  Ehrendorferia chrysantha Bill Arbaugh 1966-5-28 11 Los Angeles Tajunga Wash 152 Comment
  SD181765  Ehrharta calycina Valerie Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains, San Dimas Experimenta Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. Open, disturbed, graded, grassy area. 868 Comment
  UCR194853  Ehrharta erecta R. E. Riefner Jr. 2000-8-29 00- 764 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, La Tuna Canyon, N of La Tuna Canyon Rd., along La Tuna Creek S of 210 Freeway and c. 1.5 mi W of Freeway intersection 462 Comment
  UCR199600  Ehrharta longiflora Scott D. White, J. Wood 2008-5-8 11943 Los Angeles Puente/Chino Hills, SCE powerline corridor near Skyline Drive and east of Hacienda Blvd 335 Comment
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Nov 15 2010
  UCR182749  Elaeagnus angustifolia R. G. Swinney 1997-6-19 5628 Los Angeles San Gabriel Mtns., Big Pines Hwy, c. 0.25 mi. east of Appletree Campground, west of Wrightwood 1896 Comment
  RSA101731  Elatine californica H. E. Hasse 1889-1 s.n. Los Angeles Los Angeles. Comment
  UCR169886  Eleocharis A. C. Sanders, Mark A. Elvin 2002-6-25 25260 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC113044  Eleocharis montevidensis I. Johnston May 13 1019 Los Angeles El Monte, ditch along Rail Road. 83 Comment
  SD186019  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  RSA365424  Eleocharis palustris Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA199190  Eleocharis palustris Robert F. Thorne, D. Propst 1968-5-29 37699 Los Angeles S end of Hay Press Reservoir. 404 Comment
  RSA228843  Eleocharis parishii Robert F. Thorne 1971-6-26 40620 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  RSA232288  Eleocharis parishii Robert F. Thorne, M. Z. Thorne 1969-7-10 38414 Los Angeles San Gabriel Mountains, Angeles National Forest: just E of Holiday Hill Ski area, Swartout Valley 1997 Comment
  CATA317  Elymus condensatus Mark L. Hoefs, A. Douglas Propst 1973-6-5 344 Los Angeles Santa Catalina Island: Skull Canyon 182 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
  UCR153978  Elymus condensatus A. C. Sanders, T. B. Salvato 2005-4-26 29748 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  RSA0076959  Elymus elymoides R. G. Swinney 2010-5-19 12821 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
  UCD61527  Elymus elymoides A. A. Beetle 1942-6-25 3637 Los Angeles San Bernardino Mountain, 4 miles north of Big Pine Camp on Rt. 2. 1828 Comment
  UCR127002  Elymus elymoides A. C. Sanders, Mark A. Elvin 2003-6-18 26942 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  RSA229122  Elymus elymoides subsp. elymoides R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38859 Los Angeles San Gabriel Mountains, Angeles National Forest: Above Angeles Crest Highway at headwater of South Fork, Big Rock Creek, ca. 1.7 miles south of Dawson Saddle. 2317 Comment
  POM222455  Elymus glaucus subsp. glaucus L. C. Wheeler 1936-6-8 4143 Los Angeles Big Dalton Canyon, 1/4 mile above dam, San Gabriel Mountains. 549 Comment
  CAS-BOT-BC234099  Elymus multisetus R. L. Armacost 1967-6-2 2240 Los Angeles Vacant lot opposite 910 Franklin St., Santa Monica Comment
  RSA733358  Emmenanthe penduliflora A. C. Sanders 2003-4-28 26137 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
  UCR191287  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2008-4-22 3302 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  LA202461  Encelia californica Harlan Lewis; 1937-3-24 sn Los Angeles Santa Catalina Island, at the Isthmus Comment
  LA31638  Encelia californica Peter H. Raven; 1959-4-4 13946 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  SBBG12895  Encelia californica E. R. Blakley 1962-10-4 5409 Los Angeles SE side of the Isthmus Cove, near beach 1 Comment
  UC53972  Encelia californica H. P. Chandler 1907-6-3 7001 Los Angeles near Cahuenga Peak; Brush Canon Comment
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Sep 26 2011
  RSA93861  Encelia californica F. W. Peirson 1919-2-16 1335 Los Angeles Point Fermin. Comment
  POM145530  Endolepis covillei J. B. Feudge 1925-5-23 1885 Los Angeles Near Lancaster. 716 Comment
  NY841903  Ephedra nevadensis T. S. Ross 1991-4-27 4713 Los Angeles Black Butte. 3150 Comment
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Nov 10 2010
  UCD133218  Ephedra nevadensis Lewis S. Rose 1968-4-5 68013 Los Angeles Mojave Desert. Acton. 822 Comment
  RSA249746  Ephedra viridis Robert F. Thorne 1973-5-11 43500 Los Angeles Bob s Gap, Holcomb Ridge. 1220 Comment
  SEINET5869068 Image available Ephedra viridis C. E. Jones, Y. Atallah 2001-1 CEJ 20 Los Angeles Northern edge of Palmdale, on Ave O-8, 0.1 mi W of intersec with Sierra Hwy (St Hwy 14), 2.1 mi N of Palmdale Rd-Sierra Hwy intersec. Comment
  UCR272554  Epilobium brachycarpum R. G. Swinney 2011-10-27 15896 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
  CAS-BOT-BC166201  Epilobium canum subsp. canum Cecil Hart 1921-7-23 s.n. Los Angeles Howard & Smith's nursery, Montebello Comment
  POM145745  Epilobium canum subsp. canum Thomas Craig 1927-6-19 496 Los Angeles 10 miles west of Ravenna. Comment
  RSA588404  Epilobium canum subsp. canum H. L. Bauer 1932-10-15 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UCR273405  Epilobium canum subsp. canum R. G. Swinney 2011-10-27 15917 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
  JEPS22761  Epilobium canum subsp. latifolium Rimo Bacigalupi with Reino Alava 1958-7-20 6417 Los Angeles On face of cliff. North face of Kratka Ridge, upper slopes of Little Rock Creek Canyon, about one mile west of Cedar Springs, Angeles National Forest, San Gabriel Mts. Comment
  POM175381  Epilobium canum subsp. latifolium E. Crow, West 1930-7-12 s.n. Los Angeles Dry slopes above Pine flats. Comment
  RSA756149  Epilobium ciliatum R. G. Swinney 2008-7-12 9170 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SBBG31364  Epilobium ciliatum R. F. Thorne with P. C. Everett 1965-6-24 35040 Los Angeles just below dam in lower Cottonwood Cyn 38 Comment
  RSA604694  Epilobium ciliatum subsp. glandulosum Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA80694  Epilobium densiflorum F. W. Peirson 1907-7-9 2085 Los Angeles Pine Flats, San Gabriel Mts. 1524 Comment
  POM21160  Epilobium glaberrimum subsp. glaberrimum Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  POM175429  Epipactis gigantea Joseph A. Ewan 1930-6-23 2656 Los Angeles Above Little Cienega, trail to Crystal Lake, San Gabriel Mountains. 1494 Comment
  RSA19112  Epipactis gigantea I. W. Clokey 1935-4-29 6560 Los Angeles San Gabriel Canyon. Comment
  SEINET10297476  Epipactis gigantea Unknown 1967-7-19 37192 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Big Cienega Springs above Crystal Lake Recreation Area, moist, mountainside meadow in yellow pine forest, elev. ca. 6500 ft. 1981 Comment
  RSA0087045  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC57758  Equisetum telmateia Louis C. Wheeler 1932-6-13 809 Los Angeles At Los Feliz Blvd., Los Angeles River. 121 Comment
  SD215305  Equisetum telmateia Louise C Wheeler 1932-3-17 505 Los Angeles Los Angeles River at Los Feliz Blvd. 121 Comment
  SEINET3866733  Equisetum telmateia Louis C. Wheeler 1932-3-17 505 Los Angeles Los Angeles River: at Los Feliz Blvd.; 0 122 Comment
  UCR178933  Eragrostis curvula R. G. Swinney 1989-8-9 s.n. Los Angeles San Gabriel Mtns., Glendora, Glendora Wilderness Park, c. 300 yds. north of Sierra Madre Ave. on Big Dalton Debris Basin flood control access road 311 Comment
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Nov 21 2010
  CAS-BOT-BC284131  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  JEPS50086  Eremalche exilis W. L. Jepson 1935-4-17 17040 Los Angeles 6 1/2 mi. w. on Yucca brevifolia mesa Lancaster 731 Comment
  UCR116288  Eremalche exilis B. G. Pitzer 1998-5-12 3701 Los Angeles Western Mojave Desert, W side of 170th Street East, 0.5 mi. south of Avenue 'J' (N5), and c. 0.2 mi. north of the west entrance to Saddleback Butte State Park 890 Comment
  UC110367  Eremocarpus setiger C. F. Baker 1903-8-1 3445 Los Angeles Claremont Comment
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May 26 2016
  RSA0034385  Eremogone macradenia var. arcuifolia Orlando Mistretta 1994-5-23 1252 Los Angeles San Gabriel Mountains: Little Rock Creek. drainage E of creek and N of Forest Rd. 4N15. 1402 Comment
  UC107662  Eremothera boothii subsp. desertorum A. Davidson July 1893 Los Angeles Rock Creek Mohave Desert Comment
  SD236367  Eriastrum densifolium subsp. austromontanum Mark S. Brunell 1993-7-22 140 Los Angeles Mojave Desert/San Gabriel Mtns.: County Hwy s4 (204th street east), 7.4 km south of hwy 138 , northern mouth of Grandview Canyon, along west side of Hwy S4. 1396 Comment
  RSA0104341  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon. 1601 Comment
  UC1787328  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-24 108 Los Angeles Mojave Desert/San Gabriel Mountains: County Hwy S4 (204th St. East), 7.4 km south of Hwy 138, northern mouth of Grandview Canyon, along west side of Hwy S4 1396 Comment
  CHSC3709  Eriastrum filifolium Sue Boergadine 1966-5-10 Los Angeles San Raphael Hills. Comment
  UCR231914  Eriastrum rosamondense Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7993 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
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Mar 29 2014
  RSA0012123  Eriastrum sapphirinum Mark A. Elvin 2003-5-1 2495 Los Angeles Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  UC84337  Eriastrum sapphirinum Katharine Brandegee May 1899 Los Angeles Ravenna Comment
  RSA0110975  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-06 3666 Los Angeles Palmdale Comment
  CAS-BOT-BC514984  Eriastrum sapphirinum subsp. dasyanthum John H. Thomas 1957-5-31 6799 Los Angeles Occidental College Campus, Los Angeles: hills behind campus Comment
  RSA0124686  Eriastrum sparsiflorum Valerie L. Soza, S. D. Boyd 1999-7-28 639 Los Angeles Liebre Mountains: Alongside road to Burnt Peak, 1.9 miles from gate off road 7N23. 1676 Comment
  RSA0116166  Ericameria linearifolia R. G. Swinney 2011-6-15 15211 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA717209  Ericameria linearifolia Scott D. White, Pam De Vries 2006-5-10 11424 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
  SFV21423  Ericameria linearifolia L. Gross, T. Anderson 2004-5-3 1216 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1380 Comment
  UCR266129  Ericameria linearifolia Orlando Mistretta, Christine Mistretta 2005-4-21 2054 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  SFV12534  Ericameria palmeri var. pachylepis M. H. Grayum, D. L. Koutnik 1977-11-13 846 Los Angeles Santa Susana Mountains West of Limekiln Canyon. 457 Comment
  SEINET218693  Ericameria parishii A. J. Breitung 1953-8-30 17941 Los Angeles San Antonio Canyon San Gabriel Mountains Comment
  POM304836  Ericameria parishii var. parishii Henry J. Ramsey, Henry J. Ramsey 1937-9-2 212 Los Angeles Johnny Canyon, Angeles Crest Highway. 1524 Comment
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Dec 9 2014
  RSA522322  Ericameria pinifolia Steve Boyd 1990-2-3 3816 Los Angeles just W of mouth of San Antonio Canyon. Comment
  UC1118801  Ericameria pinifolia A. Lewis 1933-5-1 204 Los Angeles San Francisquito Canyon Elizabeth Lake Quad., San Francisquito Canyon 914 Comment
  POM357452  Erigeron divergens Anstruther Davidson 1910-1 2508 Los Angeles Hollywood. Comment
  POM49794  Erigeron foliosus L. W. Nuttall 1920-6-6 s.n. Los Angeles Avalon Canyon Comment
  RSA454987  Eriodictyon crassifolium L. E. Hoffman 1930-5-8 s.n. Los Angeles River wash, Sunland Comment
  SJSU5687  Eriodictyon crassifolium W. Savage 1969-6-1 520 Los Angeles Tejon Pass 2 mi S of Ositos Canyon c. 200 yds E of Hwy 5 1280 Comment
  RSA455001  Eriodictyon crassifolium var. nigrescens Wm. Martin 1972-4-1 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA0016990  Eriodictyon crassifolium var. nigrescens Anstruther Davidson 1890-5-5 s.n. Los Angeles Newhall Comment
  SEINET12279763  Eriodictyon trichocalyx M. T. Doutt 1931-1 647 Los Angeles Sierra Madre Mts 1768 Comment
  CAS-BOT-BC219333  Eriodictyon trichocalyx var. trichocalyx Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 Comment
  UCR209626  Eriogonum R. G. Swinney 2008-10-10 9551 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR223534  Eriogonum R. G. Swinney 2009-5-27 10909 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  SBBG61807  Eriogonum angulosum R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  POM158209  Eriogonum baileyi var. baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  RSA749665  Eriogonum baileyi var. baileyi Orlando Mistretta 1992-8-20 777 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. On firebreak, south slope. 1524 Comment
  UCR127662  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 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
  CAS-BOT-BC241582  Eriogonum baileyi var. baileyi John Thomas Howell 1947-7-18 23380 Los Angeles Mill Creek, San Gabriel Mts. 1219 Comment
  UC284984  Eriogonum brachyanthum P. A. Munz 1923-5-27 6894 Los Angeles Pallett Creek San Gabriel Mts., Pallett Creek Comment
  OBI34897  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles Just W of Leo Carillo State beach along hwy 1, ca. 1 mi E of Ventura County line Comment
  RSA393148  Eriogonum cinereum Anstruther Davidson 1891-07 s.n. Los Angeles Santa Monica Canon. [Canyon] Comment
  RSA40323  Eriogonum cinereum L. S. Rose 1946-12-20 s.n. Los Angeles Malibu. Comment
  SBBG64320  Eriogonum cithariforme R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  IRVC26921  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage NE end of Santa Susana Mtns. 595 Comment
  UCR190740  Eriogonum davidsonii R. G. Swinney 2001-5-18 7931 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR220253  Eriogonum davidsonii R. G. Swinney 2009-4-28 10511 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR145177  Eriogonum elongatum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  RSA303970  Eriogonum elongatum var. elongatum James R. Shevock 1970-11-15 546 Los Angeles San Gabriel Mountains: Los Pinitos Canyon Comment
  UCR281303  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2014-4-17 16084 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA523834A  Eriogonum fasciculatum subsp. polifolium Tim S. Ross 1991-8-14 5793 Los Angeles San Gabriel Mountains: Pacifico Mountain Road, 3200 feet NW of Alder Saddle. 1768 Comment
  UCR223284  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-23 11381 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
  UCR239970  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-11-18 11657 Los Angeles Transverse Range; San Gabriel Mountains, summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1310 Comment
  CAS-BOT-BC253270  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3401 Los Angeles Joshua Tree Campground on the SW side of Little Rock Reservoir, Little Rock Creek, San Gabriel Mountains 1002 Comment
  IRVC26187  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 B Los Angeles Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage NE end of Santa Susana Mtns. 595 Comment
  RSA226100  Eriogonum fasciculatum var. foliolosum Robert F. Thorne, C. W. Tilforth 1971-6-17 39904 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  RSA653900  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 818 Los Angeles Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. 396 Comment
  RSA670922  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30940 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  RSA701782  Eriogonum fasciculatum var. polifolium A. C. Sanders, D. Malueg 2001-5-17 24351 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  SBBG151  Eriogonum fasciculatum var. polifolium R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UC454079  Eriogonum giganteum I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  UC483201  Eriogonum giganteum var. formosum L. R. Abrams and I. L. Wiggins 1931-7-6 357 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  SBBG127033  Eriogonum gracile var. gracile A. Parikh, N. Gale 2011-6-9 3436 Los Angeles S of Kentucky Springs Cyn, 0.4 km W of Angeles Forest Hwy, 2 km N of Aliso Cyn Rd; San Gabriel Mtns 1157 Comment
  SD48934  Eriogonum grande var. grande Reid Moran 1958-9-16 6846 Los Angeles on cliffs, canyon 2 miles SE of Eel Point, San Clemente Island 99 Comment
  SD230262  Eriogonum hirtiflorum Louis C. Wheeler 1968-7-22 Los Angeles San Gabriel Mountains: Devel's Canyon 1431 Comment
  RSA185245  Eriogonum kearneyi James L. Reveal, Caroline G. Reveal 1962-9-11 465 Los Angeles 4 miles W of the California Nevada border along Hwy 31 on the 'Pole Line Road'. 2134 Comment
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Nov 19 2013
  RSA228904  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41280 Los Angeles Angeles National Forest: Just N of summit of Mt. Hawkins on saddle between Hawkins and Throop Peak 2668 Comment
  RSA766431  Eriogonum maculatum Joseph A. Ewan 1936-8-6 9974 Los Angeles Head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. 1982 Comment
  CAS-BOT-BC267401  Eriogonum microthecum Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek by the abandoned pumphouse and dam 1950 Comment
  UCR182487  Eriogonum nudum R. G. Swinney 1997-7-22 5704 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
  RSA660160  Eriogonum nudum var. pauciflorum Orlando Mistretta 1992-5-25 424 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  SD22463  Eriogonum parishii Susan G. Stokes 1910-8-29 Los Angeles Old Baldy Comment
  UCR182849  Eriogonum parishii R. G. Swinney 1997-8-6 5761 Los Angeles San Gabriel Mtns, Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood 1890 Comment
  RSA420652  Eriogonum plumatella L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert near mouth of Little Rock Creek. Comment
  RSA725195  Eriogonum pusillum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -46 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA729861  Eriogonum pusillum R. G. Swinney 1999-6-5 7252 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  SFV15540  Eriogonum pusillum K. C. Molina, K. L. Garrett 1992-5-10 21 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. In bed of dry wash. 1200 Comment
  RSA567279  Eriogonum roseum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3952 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  UCR99515  Eriogonum roseum Steve Boyd, Lauren Raz 1996-10-29 9102 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  POM2308  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles In San Gabriel Wash. 152 Comment
  CAS-BOT-BC268172  Eriogonum umbellatum var. minus G. J. Goodman; C. L. Hitchcock 1930-7-28 1726 Los Angeles Near top of Mt. San Antonio 3048 Comment
  SJSU13124  Eriogonum umbellatum var. munzii C. W. Sharsmith 1945-9-7 5471 Los Angeles N slope Mt Waterman, San Gabriel Mts 1645 Comment
  POM280035  Eriogonum wrightii var. subscaposum Victor Duran 1933-7-28 3540 Los Angeles Buckhorn, San Gabriel Mountains 1982 Comment
  UC1348955  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1966-8-29 36589 Los Angeles slope on ridge at s end of Crystal Lake at upper end of canyon on N Fork of San Gabriel River San Gabriel Mts., Angeles National Forest, Crystal Lake 1706 Comment
  CAS-BOT-BC297969  Eriophyllum confertiflorum R. Beauchamp; M. Douglas 1972-3-24 3234 Los Angeles On cliff of canyon wall N of Nanny, San Clemente Island 150 Comment
  POM357924  Eriophyllum confertiflorum F. R. Fosberg 1931-3-25 4375 Los Angeles Santa Catalina Island, Hamilton Canyon 80 Comment
  POM357930  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2237 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA0081313  Eriophyllum confertiflorum R. G. Swinney 2010-4-28 12410 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
  UC1595331  Eriophyllum confertiflorum var. confertiflorum Tim Ross and Orlando Mistretta 1992-7-24 6766 Los Angeles 76 degrees ene, 900 m distant from Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts. 1460 Comment
  UC73937  Eriophyllum confertiflorum var. confertiflorum J. Q. Adams 1905-1-1 17 Los Angeles Soldier's Home Comment
  RSA582998  Erodium botrys Tim S. Ross 1993-4-22 6880 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 825m ESE of Cactus Peak summit, in saddle between 1548ft and 1528ft summits. 431 Comment
  CATA365  Erodium brachycarpum Mark L. Hoefs 1974-3-28 414 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, northwest exposure 335 Comment
  RSA0058224  Erodium cicutarium Richard G. Swinney 2010-4-23 12350 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0119756  Erodium cicutarium R. G. Swinney 2014-5-21 16636 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA638948  Erodium moschatum Louis C. Wheeler 1967-5-15 9570 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  SEINET7063084  Erysimum capitatum A. G. Vestal 1963-5-22 s.n. Los Angeles In the San Gabriel Mountains southeast of Palmdale. UTM Zone 11, 400840mE, 3822562mN. (WGS84/NAD83). 876 Comment
  SFV9379  Erysimum capitatum M. L. Vincent, L. Swade 1964-4-2 477 Los Angeles San Gabriel Mountains Mint Canyon. Solemint Canyon Road, 2 miles north of Solemint Store. 500 Comment
  UCR223332  Erysimum capitatum R. G. Swinney 2009-5-27 10883 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CATA167  Erysimum cheiri Mark L. Hoefs 1973-3-17 130 Los Angeles Santa Catalina Island: Pebbly Beach Road 3 Comment
  LA204413  Erysimum suffrutescens Joseph Andorfer Ewan; 1931-1-1 4004 Los Angeles Hyperion near El Segundo Comment
  UC729579  Eschscholzia Carl B. Wolf 1932-5-9 3492 Los Angeles about due w Pebbly Beach (along road to Renton Mine); Santa Catalina Island 304 Comment
  RSA66735  Eschscholzia caespitosa subsp. caespitosa F. W. Peirson 1951-1 1888 Los Angeles Arroyo Seco, near Switzer's Trail, south slope of San Gabriel Mts. Comment
  RSA433654  Eschscholzia californica Katherine Brandegee 1916-5-17 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG70153  Eschscholzia californica R. Hoffmann 1925-4-19 Los Angeles W border of Antelope Valley Comment
  SBBG80485  Eschscholzia californica F. C. Boutin 1967-4-24 1719 Los Angeles Wilson Cove Comment
  SBBG16846  Eschscholzia californica K. A. Wilson 1961-3-11 980 Los Angeles Newhall, corner of Fernando Rd and 13th Street Comment
  RSA596008  Eschscholzia californica var. peninsularis Tim S. Ross, J. Mark Porter 1995-5-4 8460 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA659945  Eschscholzia minutiflora Orlando Mistretta 1992-5-18 353 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UC1202950  Eschscholzia minutiflora Theodore Mosquin 1958-4-11 3265 Los Angeles 1/2 mi n Pearblossom Comment
  RSA0010827  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  LA201992  Eucalyptus macrandra Arthur C. Gibson; 2004-3-10 5017 Los Angeles Santa Monica Mountains, Rustic Canyon, Near Camp Josepho above Rustic Canyon 198 Comment
  SFV21062  Eucalyptus sideroxylon L. Gross, S. Larson, V. Soza 2001-5-31 387 Los Angeles Verdugo Mountains Southeast side of mountains. Dead Horse Canyon along road (Heather Ridge Drive). 335 Comment
  RSA187872  Eucrypta chrysanthemifolia Robert F. Thorne 1966-4-7 35964 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  UCR155382  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-5-24 30281 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UCR258741  Eulobus californicus R. G. Swinney 2010-5-19 12825 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
  CDA20474  Euphorbia dendroides Pearson 2004-4-21 PDR 1251265 Los Angeles Southwestern California; New York Ave in Pasadena. 0 Comment
  RSA609294  Euphorbia dendroides L. C. Wheeler 1974-5-19 s.n. Los Angeles Pasadena: South edge of Kinneloa Mesa by New York Avenue. Comment
  RSA133817  Euphorbia peplus P. H. Raven 1959-10-9 14612 Los Angeles University of california west Los Angeles. 130 Comment
  SEINET12142100  Euphorbia peplus J. F. Bright 1934-1 9248 Los Angeles Santa Monica Coast Range Comment
  UCR241708  Euphorbia serpens Dan S. Cooper 2012-9-6 912- 61 Los Angeles Los Angeles Basin, West Los Angeles College, Culver City, along College Blvd. 43 Comment
  LA32299  Euphorbia spathulata Peter H. Raven; Henry J. Thompson 1959-5-5 14129 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR126897  Euphorbia spathulata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26149 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  PASA2702  Eurotia lanata Stason May 1931 Los Angeles Mohave desert near Palmdale Comment
  SBBG80234  Festuca myuros F. R. Fosberg 1931-3-19 4306 Los Angeles near mouth of Hamilton Cyn near Avalon 10 Comment
  SEINET2473476 Image available Festuca myuros Richard G. Swinney 2009-4-24 10476 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 960 Comment
  SEINET10621140  Ficus carica Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2651 Los Angeles City of Glendale. Ara Deli, Armenian & Middle Eastern Foods, 1021 E. Broadway. Comment
  RSA004508  Filago californica Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  RSA533944  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5216 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  UCR125635  Filago gallica A. C. Sanders 2003-5-26 25865 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
  UCR258805  Filago gallica R. G. Swinney 2010-5-25 12982 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  POM158118  Foeniculum vulgare L. R. Abrams 1902-8-26 2977 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA650270  Foeniculum vulgare A. E. Hersh 1950-7-25 s.n. Los Angeles Locale- dry vacant lot, Washington Blvd. and Sawtelle, Culver City 30 Comment
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Dec 9 2013
  SD40898  Foeniculum vulgare Carl B. Wolf 1932-10-3 Los Angeles Santa Catalina Island, ca. 1 1/4 mile from Wrigley Drive on road to Renton Mine 305 Comment
  JEPS43936  Forestiera pubescens E. E. Allen 1922-4-28 Los Angeles near Los Angeles; Mint Canyon, Topanga Canyon Comment
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Nov 11 2014
  RSA569841  Forestiera pubescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4875 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCR223119  Forestiera pubescens R. G. Swinney 2009-5-13 10781 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  POM306717  Frangula californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1665 Los Angeles Soldiers' Creek, San Gabriel Mountains. Comment
  RSA719746  Frangula californica subsp. californica R. G. Swinney, D. W. Larson 1996-8-7 5232 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  SEINET11243857  Frangula californica subsp. californica G. B. Grant 1114 Los Angeles Pasadena. Comment
  RSA36015  Frankenia grandifolia Robert F. Thorne 1966-4-15 36015 Los Angeles San Clemente Island. Upper edge of boulder beach and base of rocky bluff, c. 1/2 mile SSE of Eel Point, SW side of island. Comment
  CAS-BOT-BC223847  Frankenia palmeri I. Johnston 1917-6-10 1269 Los Angeles Ballona Creek near Mesmer Comment
  RSA464915  Fraxinus dipetala L. E. Hoffman 1928-7-8 s.n. Los Angeles Oak Canyon, eask fork of San Gabriel River. Comment
  UCR223208  Fremontodendron californicum R. G. Swinney 2009-7-22 11332 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UC1871090  Fremontodendron californicum subsp. californicum T. S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: 600 meters, 346 deg. NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 section 9; ca 3060 feet el ... 933 Comment
  SEINET10961597  Funastrum hartwegii G. B. Grant Grant 972 Los Angeles Covina Comment
  UCR80218  Galinsoga parviflora L. C. Wheeler 1932-11-6 1446 Los Angeles San Gabriel Valley, Garey Ave., 3 mi N Pomona 305 Comment
  UCD170506  Galium andrewsii subsp. andrewsii D. O. Burge 2017-4-8 2240 Los Angeles Santa Monica Mountains, Rocky Oaks Dam. 530 Comment
  CAS-BOT-BC223025  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 560 Comment
  RSA763112  Galium angustifolium R. G. Swinney 2008-8-13 9399 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  UCR204045  Galium angustifolium R. G. Swinney 2005-5-14 8239 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UCR88691  Galium angustifolium Scott D. White 1995-10-19 3705 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CAS-BOT-BC172766  Galium angustifolium subsp. angustifolium Timothy S. Ross; Steve Boyd 1994-5-10 7701 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  RSA6054  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-10-3 4208 Los Angeles Santa Catalina Island: road to Renton Mine about 1 mile from junction with Wirgley Drive. 305 Comment
  RSA632946  Galium angustifolium subsp. angustifolium Valerie L. Soza, Kent Hughes 1999-6-17 552 Los Angeles San Gabriel Mtns. Upper Winter Creek Trail. Above San Olene Canyon. 747 Comment
  UC1584929  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1991-7-24 5616 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' Quad, Granite Mountain vicinity 1874 Comment
  SBBG17096  Galium angustifolium subsp. angustifolium K. A. Wilson 1961-4-20 1145 Los Angeles Soledad Cyn, sandy wash at base of Bee Cyn Comment
  LA208348  Galium angustifolium subsp. foliosum John Thomas Howell; M. Hilend 1930-5-2 Los Angeles San Gabriel Mountains, Pacoima Dam Comment
  POM158340  Galium aparine M. B. Dunkle 1928-3-31 1764 Los Angeles Santa Catalina Island: Little Harbor 61 Comment
  RSA724446  Galium aparine K. Dobry 1991-4-22 447 Los Angeles West San Gabriel Mts. at Elsmere Cyn Comment
  SD45603  Galium catalinense D. F. Howe 1953-5-3 Los Angeles Catalina Island, hillside north of Wain Canyon Comment
  RSA157790  Galium catalinense subsp. acrispum Peter H. Raven 1962-5-7 17583 Los Angeles San Clemente Island, 1 mile south of Wilson Cove. 23 Comment
  RSA660876  Galium catalinense subsp. acrispum Orlando Mistretta 1992-4-5 139 Los Angeles Guds, San Clemente Island. Comment
  SBBG132207  Galium catalinense subsp. catalinense S. A. Junak 1978-4-15 SCa 014 Los Angeles N side of Cherry Cove, near Lion's Head Point Comment
  SEINET3245983  Galium hilendiae R. G. Swinney 2009-1 10828 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  RSA202659  Galium parishii F. Ehrendorfer, Grant 1959-6-14 5902 Los Angeles San Gabriel Mountains, hills about 2 miles north of Big Pines. 1982 Comment
  CATA1942  Gambelia speciosa Reid Moran 1941-2-23 602 Los Angeles Santa Catalina Island: Northwest of Johnson's Valley 9 Comment
  RSA747390  Gamochaeta pensylvanica A. C. Sanders, T. B. Salvato 2009-5-20 36877 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
  RSA392385  Garrya flavescens var. pallida L. E. Hoffman 1931-12-23 s.n. Los Angeles Chilao Flats 2134 Comment
  UC213252  Garrya veatchii I. M. Johnston 1917-7-28 1578 Los Angeles San Antonio Canyon; San Antonio Mountains 1752 Comment
  UCR190535  Garrya veatchii R. G. Swinney 2000-6-19 7830 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR205596  Gayophytum R. G. Swinney 2008-5-13 8863 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  POM355345  Gayophytum diffusum subsp. parviflorum Bonnie C. Templeton 1932-7-20 5010 Los Angeles Big Pines Park. 2092 Comment
  UCR150687  Gazania linearis James Henrickson 2000-4-15 20698 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
  SD66905  Genista monspessulana R. Mitchel Beauchamp 1967-3-20 372 Los Angeles Santa Catalina Island; on slope above beach road south of Avalon. Comment
  UCR178169  Geranium rotundifolium LeRoy Gross 2000-9-9 272 Los Angeles Western Transverse Range; Santa Monica Mtns., Rustic Canyon 183 Comment
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  SFV19153  Gilia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .2 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  UCR210074  Gilia A. C. Sanders 2008-4-10 34805 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
  UCR253912  Gilia Mitch Provance 2010-5-11 0510- 16 Los Angeles Westernmost Mojave Desert, south of Hwy 138 between Quail Lake and Neenach 960 Comment
  SEINET6969900  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
  RSA172304  Gilia angelensis R. F. Thorne, James Henrickson 1963-5-5 32299 Los Angeles Near mouth of Cobal Canyon, foothills of San Gabriel Mountains, ca. 4 miles N of Claremont 518 Comment
  RSA590857  Gilia angelensis T. S. Ross, S. D. Boyd 1990-5-15 2518 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  UC52696  Gilia angelensis Geo. B. Grant March 1901 3668 Los Angeles Pasadena Comment
  UCR125487  Gilia angelensis A. C. Sanders, Mark Elvin 2003-4-14 25965 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
  RSA555412  Gilia angelensis Patricia Wilder 1963-1 2004 Los Angeles Distillery. Comment
  RSA72289  Gilia angelensis F. W. Peirson 1919-4-5 4706 Los Angeles Allen Ranch, Altadena. 366 Comment
  SBBG126024  Gilia brecciarum subsp. brecciarum A. Parikh, N. Gale 2010-5-12 3157 Los Angeles 4.0 km S of Hwy 138, 0.1 km W of 120th St W, at intersection of rds under power lines 783 Comment
  RSA493579  Gilia capitata L. M. Shultz, John S. Shultz 1982-5-9 6122 Los Angeles Foothills: near Claremont. 427 Comment
  RSA0098764  Gilia capitata subsp. abrotanifolia R. G. Swinney 2011-4-26 14501 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA660776  Gilia capitata subsp. abrotanifolia Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 41 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 546 Comment
  LA206507  Gilia capitata subsp. abrotanifolia Doris Daw; 1940-4-22 sn Los Angeles Arroyo Seco Comment
  RSA643166  Gilia latiflora Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1112 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Santiago Creek Section. Comment
  SEINET7047889  Gilia latiflora Steven R. Hill, Kate Kramer 2001-4-22 33337 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
  SD231379  Gilia latiflora subsp. davyi Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 90 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. Comment
  LA88522  Gilia latiflora subsp. davyi O. H. Kappler; 1945-4-20 735 Los Angeles near Gorman 1066 Comment
  SFV19333  Gilia leptantha subsp. transversa P. Wilson, J. N. Hogue 2005-5-23 4215 Los Angeles San Gabriel Mountains Highway 2, about 0.3 km east of Newcomb Ranch. In roadside depression. 1650 Comment
  UCR205929  Gilia modocensis R. G. Swinney 2008-5-5 8773 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 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
  UCR209102  Gilia ochroleuca subsp. bizonata R. G. Swinney 2008-6-17 9047 Los Angeles San Gabriel 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 2160 Comment
  CAS-BOT-BC401991  Gilia ochroleuca subsp. bizonata Tim Ross; Steve Boyd; Orlando Mistretta; Peter Fritsch; Alex Quici 1990-6-27 3902 Los Angeles Liebre Mountains. Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon 1731 Comment
  SD124103  Gilia ochroleuca subsp. ochroleuca Robert F. Thorne, G. Wallace 1973-4-25 43365 Los Angeles 0.25 mile north of Bob's Gap, 3.5 miles south of Llano, north slope of Holcomb Ridge. 1157 Comment
  RSA0017159  Gilia ochroleuca subsp. vivida H. E. Hasse, Davidson 1906-6-6 1476 Los Angeles Rock Creek. Comment
  UCR142905  Gilia splendens R. F. Thorne 1963-7-11 32774 Los Angeles San Gabriel Mtns., Angeles National Forest, along road to Upper Shake Campground, c. 3 mi west of Lake Hughes 1402 Comment
  RSA783534  Gilia tricolor J. D. Olmsted 1958-4-26 114 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary of LA Co. 366 Comment
  POM97143  Githopsis diffusa subsp. diffusa P. A. Munz 1925-4-23 9436 Los Angeles San Gabriel Canyon. 488 Comment
  SBBG84077  Glebionis coronaria C. F. Smith 1958-3-30 5692 Los Angeles about Manhattan Beach Comment
  CDA27061  Glycyrrhiza lepidota var. glutinosa Agricultural Commissioner Los Angeles 0 Comment
  POM358699  Glyptopleura setulosa H. de Forest 1937-4-3 315 Los Angeles Near Lancaster. Comment
  UCR61030  Gnaphalium luteoalbum R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  RSA0012267  Gnaphalium palustre Orlando Mistretta, Youssef Atallah 2011-8-12 6027 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  RSA601050  Gnaphalium palustre Steve Boyd, Lauren Raz 1997-6-18 9978 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA747421  Gnaphalium palustre R. G. Swinney 2008-5-12 8846 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA775352  Gnaphalium palustre Orlando Mistretta, Christine Mistretta 2010-6-4 5260 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA681342  Gnaphalium stramineum LeRoy Gross, Valerie Soza 2003-5-15 898 -b 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
  RSA337432  Grayia spinosa R. F. Thorne, Gary D. Wallace 1973-4-25 43398 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
  SBBG62617  Grindelia hirsutula M. N. Ackley 1927-5-29 177 Los Angeles Mulholland Drive, Los Angeles Comment
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Oct 10 2014
  UC897091  Grindelia hirsutula Ira W. Clokey, B. Templeton 1929-5-31 4557 Los Angeles ridge Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 500 Comment
  POM141  Guillenia lasiophylla Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA41026  Gutierrezia sarothrae H. E. Hasse 1890-09 s.n. Los Angeles Santa Monica Mountains, Foothills. Comment
  SBBG113283  Hainardia cylindrica S. A. Junak with M. L. Hoefs 1997-6-4 SCa 421 Los Angeles NE end of upper Buffalo Corral Reservoir 188 Comment
  CDA37892  Halogeton glomeratus J. L. Johnson 1977-8-1 s.n. Los Angeles Lancaster. 0 Comment
  RSA603186  Haplopappus parishii L. C. Wheeler 1972-12-20 12783 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  POM369711  Harpagonella palmeri M. B. Dunkle 1929-4-13 2122 Los Angeles Santa Catalina Island; Moonstone Beach Comment
  RSA679311  Harpagonella palmeri Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 366 Los Angeles Santa Catalina Island. At curve in road past garden to Divide Rd. Comment
  SBBG42160  Hazardia cana M. B. Dunkle 1939-11-24 7346 Los Angeles upper terrace, Pyramid Cove Comment
  SEINET6044334  Helenium bigelovii Louis Wheeler 1968-7-23 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA0060510  Helianthemum scoparium R. G. Swinney 2010-3-10 11820 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  CAS-BOT-BC305417  Helianthus annuus Ernest C. Twisselmann 1955-9-15 2375 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile northwest of Holland Summit 1219 Comment
  UCR53359  Helianthus annuus R. D. Goeden, Don W. Ricker 1988-8-16 s.n. Los Angeles Western Mojave Desert, north of Lancaster at Sierra Hwy and Ave E, along railroad right of way 701 Comment
  RSA660322  Helianthus annuus David Finch 1984-4-30 19 Los Angeles Upland, Benson Ave., .2 miles north of Basline Road. Comment
  POM306252  Helianthus annuus subsp. lenticularis Henry J. Ramsey, Henry J. Ramsey 1938-6-2 I 368 Los Angeles North Craig Ave., Altadena Comment
  RSA752582  Helianthus californicus J. M. Porter 2006-11-5 12261 Los Angeles Along I-14 at Agua Dulce exit, N of highway. 1500 Comment
  UCSB68608  Helianthus gracilentus Gross, LeRoy; Fraga, Naomi; Hogshead, Bill; Virgen, Aydee 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountians; entered west of Haines Canyon Park, off of Estepa Drive in Tujunga; (Burbank 7.5 Quad.: T2N R14W S24, SE1/4); low foothills north of 210 freeway 598 Comment
  UC1871089  Helianthus gracilentus T. S. Ross, Walter Appleby 1993-5-13 7133 Los Angeles Transverse Ranges; San Gabriel Mountains region; Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 NE/4 NE/4 sect. 9; ca 2980 feet elevation. 908 Comment
  UC450836  Heliotropium curassavicum Fay A. MacFadden 1931-4-22 2651 Los Angeles San <Franscito> Canyon Comment
  UCR210146  Heliotropium curassavicum R. G. Swinney 2008-10-20 9648 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  SD252293  Heliotropium curassavicum Steven A. Junak 2000-10-12 Sca 1413 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. 195 Comment
  RSA0008440  Hemizonia australis Joseph A. Ewan 1931-7-31 4772 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  RSA681052  Hemizonia fasciculata Scott D. White 2003-6-2 9445 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR258729  Hemizonia fasciculata R. G. Swinney 2010-6-23 13350 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA95065  Hemizonia pungens F. W. Peirson 1919-8-30 1351 Los Angeles Desert between Mojave and Lancaster. Comment
  RSA660782  Hemizonia ramosissima J. Doughty 1985-5-19 190 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Roadside opposite entrance to Follows Camp. Comment
  RSA0087109  Herniaria cinerea Steven A. Junak, Mark L. Hoefs 2001-5-5 SCa- 1509 Los Angeles Santa Catalina Island. Along road to Cape Canyon ridgetop, on N side of Middle Ranch Canyon. 402 Comment
  UC1929540  Hesperocyparis stephensonii Scott D. White, Justin Wood 2008-5-6 11939 Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). Firestone Boy Scout Reservation. Comment
  UCR255824  Hesperoyucca whipplei R. G. Swinney 2010-5-4 12504 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR256228  Hesperoyucca whipplei R. G. Swinney 2010-6-4 13046 Los Angeles San Gabriel Mountains, 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. 512 Comment
  CAS-BOT-BC143701  Heteromeles arbutifolia Herman Knoche 1919-7-4 Series A, No. 1003 Los Angeles San Clemente Island, Camp Mosquito Comment
  POM156522  Heteromeles arbutifolia L. R. Abrams 1902-7-3 2648 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  UC718207  Heteromeles arbutifolia Carl B. Wolf 1936-1-3 Los Angeles slopes at e side of valley Avalon; Santa Catalina Island 121 Comment
  SDSU4595  Heterotheca grandiflora Joan Godsil 1952-10-2 527 Los Angeles Claremont, in field by P.E. station. 366 Comment
  UC832991  Heterotheca grandiflora E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  RSA0075826  Heterotheca grandiflora Gary D. Wallace, M. Wallace 1985-3-2 2178 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  UCD133024  Heterotheca grandiflora Geoffrey Levin 1974-4-26 35 Los Angeles Wash (Blanchard Park), Pomona College in Claremont. Santa Ana River-Pacific slope drainage area. Alluvial Fan of Mt. San Antonio (San Gabreil Mountains). 335 Comment
  UC101084  Heterotheca sessiliflora subsp. fastigiata Joseph Burtt Davy 1896-10-18 2878 Los Angeles Pomona Comment
  RSA0045495  Heuchera caespitosa Wendy Boes, Andrew Wheeler 2009-6-22 2009 -030 Los Angeles San Gabriel Mountains; Crystal Lake recreation area, Forest Service RD 3N09.2. 1645 Comment
  CAS-BOT-BC48127  Heuchera elegans Rimo Bacigalupi; G. T. Robbins; L. R. Heckard 1953-6-15 4200 Los Angeles Along Forest Service road following crest of Mendenhall Ridge, 9 miles east of its start at paved road 1493 Comment
  RSA0063111  Heuchera elegans Orlando Mistretta, Mark Elvin 1995-5-10 1698 Los Angeles San Gabriel Mountains. Bare Mountain Canyon, West Fork. 1540 Comment
  RSA0063268  Heuchera elegans F. W. Peirson 1905-1 s.n. Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  CAS-BOT-BC123605  Heuchera rubescens var. abramsii LeRoy Abrams 1901-7-1 1924 Los Angeles Mt. San Antonio Comment
  RSA495552  Hieracium albiflorum S. Zona, D. Arias, O. Dorado, M. Hanson, J. L. Villasenor 1989-6-21 356 Los Angeles Mountain High Ski Resort. W of Wrightwood; N slopes of San Gabriel Mts. 2018 Comment
  POM360460  Hieracium argutum Fordyce Grinnell Jr 1911-08 4047 Los Angeles Mt. Wilson, San Gabriel Mountains. 1795 Comment
  UCR182821  Hoffmannseggia glauca R. E. Riefner Jr. 2006-7-8 06- 295 Los Angeles Southern Coast, Long Beach, Studebaker Road at 22 Freeway 6 Comment
  RSA449769  Holodiscus discolor Fordyce Griffiths Jr. 1916-6-10 s.n. Los Angeles Sister Elsie Trail, San Gabriel Mountains near Pasadena. Comment
  SBBG132299  Hordeum S. A. Junak, B. Collins 1991-4-25 SCI- 229 Los Angeles overlooking E side of island, Triangulation Point "Jack" 274 Comment
  SD254506  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. 1575 Comment
  SEINET251714 Image available Hordeum depressum Unknown 1993-5-6 13959 Los Angeles Western Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave. F. 701 Comment
  SBBG128756  Hordeum intercedens M. L. Hoefs, R. Given 1992-4-16 1806 Los Angeles Wild Boar Gully 152 Comment
  CATA1159  Hordeum murinum subsp. glaucum Mark L. Hoefs 1995-5-30 2152 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  LA14699  Hordeum murinum subsp. glaucum A. M. Johnson; 1928-4-1 273 Los Angeles Sunland Comment
  SFV21396  Hordeum murinum subsp. glaucum L. Gross 2002-4-13 526 Los Angeles Verdugo Mountains Intersection of Stough Canyon Mountainway and Verdugo Mountainway along main crest. 579 Comment
  CAS-BOT-BC273517  Hordeum vulgare Timothy S. Ross; Victor W Steinmann 1995-5-8 8547 Los Angeles Liebre Mountains. First unnamed canyon E of Spunky Canyon, N side of Bouquet Reservoir 920 Comment
  RSA651812  Hordeum vulgare R. Danborn 1948-2-23 sn Los Angeles Near Los Angeles County Fairgrounds. Comment
  RSA647967  Horkelia cuneata subsp. puberula Michelle Manolovitz, Brian Manolovitz 1992-5-13 13 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.5 miles northeast of park office. Comment
  UCR149906  Horkelia rydbergii R. G. Swinney 1999-6-18 7340 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UC1930051  Hulsea vestita subsp. gabrielensis Valerie Soza, Sarah J. De Groot 2003-6-18 1690 Los Angeles Transverse Ranges; San Gabriel Mountains region; Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  UCR143522  Hulsea vestita subsp. gabrielensis J. R. Shevock 1974-7-19 3732 Los Angeles Transverse Ranges: San Gabriel Mountains, Angeles National Forest; along Forest Service road 3N17, 7.4 miles east of Bear Divide Station and 14.2 miles west of Mt. Gleason 1220 Comment
  UCR271231  Hulsea vestita subsp. gabrielensis R. G. Swinney 2011-6-14 15116 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  LA211176  Hydrocotyle verticillata Arthur C. Gibson; Tarja Sagar, Tony Valois 2008-9-11 5342 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, next to bridge near Century Lake. Comment
  RSA704713  Isocoma menziesii Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2094 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  CAS-BOT-BC311706  Isocoma menziesii var. vernonioides Alice Eastwood 1917-7-20 6513 Los Angeles Santa Catalina Island Comment
  JEPS26119  Isocoma menziesii var. vernonioides Peter H. Raven and Henry J. Thompson 1959-9-19 13720 Los Angeles US Hwy 101 0.2 mi e of turn to Zuma Beach; Santa Monica Mountains 45 Comment
  POM361278  Isocoma menziesii var. vernonioides Anstruther Davidson 1917-10 3297 Los Angeles Streets. Comment
  RSA652950  Isocoma menziesii var. vernonioides A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23257 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain, Mormon, Limekiln and Aliso Canyon watersheds; This from upper Limekiln Cyn. near So Cal G[as] 595 Comment
  UC32928  Isocoma menziesii var. vernonioides Katharine Curran 1883-8-1 Los Angeles Newhall Comment
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Nov 23 2006
  UC198094  Isomeris arborea Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  RSA599814  Isopyrum occidentale Steve Boyd, Lauren Raz 1997-3-26 9388 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1396 Comment
  CAS-BOT-BC324738  Iva axillaris Wesley O. Griesel 1962-5-28 s.n. Los Angeles On the road from Big Pines to Valyermo, San Gabriel Mts. 1524 Comment
  CAS-BOT-BC340163  Jaumea carnosa F. M. Reed 1909-7-6 2853 Los Angeles At Isthmus, Catalina Island 0 Comment
  CAS-BOT-BC47594  Jepsonia malvifolia James R. Shevock 1975-3-22 4029 Los Angeles between Black Jack Campground and Cottonwood Canyon. Base of Orizaba Mountain. Santa Catalina Island 304 Comment
  SBBG109141  Jepsonia malvifolia S. A. Junak 1997-10-28 SCl 977 Los Angeles near head of N fork of cyn draining to Mosquito Cove 387 Comment
  RSA599878  Juglans californica var. californica Steve Boyd, Lauren Raz 1997-5-6 9723 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
  RSA616137  Juglans californica var. californica Louis C. Wheeler 1967-5-18 9631 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  CAS-BOT-BC383066  Juglans hindsii R. E. Riefner, Jr. 2014-5-10 14 -115 Los Angeles San Fernando Valley, City of Los Angeles, Encino, Sepulveda Flood Basin, E of Hjelte Sports Complex along Encino Creek, W of San Diego Freeway, S of Burbank Blvd. 216 Comment
  IRVC28561  Juncus acutus subsp. leopoldii A. C. Sanders 2003-8-6 27123 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  SD30903  Juncus balticus subsp. ater H. Ritter 1931-4-25 1977 Los Angeles Los Angeles River, near Los Feliz Road. Comment
  RSA0117725  Juncus bufonius A. C. Sanders 2006-5-16 32331 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  RSA604485  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA0117700  Juncus bufonius var. congestus A. C. Sanders 2006-5-16 32332 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  RSA182042  Juncus duranii Victor Duran 1933-7-22 3527 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  JEPS45914  Juncus macrophyllus F. R. Fosberg and J. Ewan 1931-8-13 4943 Los Angeles above Crystal Lake; Big Cienega 1981 Comment
  SD237245  Juncus macrophyllus A. C. Sanders, Mark Elvin 2002-6-25 25279 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 N of Potrero Cyn. 274 Comment
  UCR273381  Juncus macrophyllus R. G. Swinney 2011-10-18 15806 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA368238  Juncus mexicanus Anstruther Davidson 1919-1 s.n. Los Angeles Cienega. Los Angeles. Comment
  RSA0035862  Juncus rugulosus R. G. Swinney 2009-11-9 11586 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR182698  Juncus saximontanus R. G. Swinney 1997-8-6 5772 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
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Mar 27 2014
  RSA286656  Juncus textilis Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44778 Los Angeles near Lily Spring on N slope of Mt. Hawkins 2377 Comment
  RSA0021437  Juncus textilis F. C. Ball 1933-4-26 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  RSA589070  Juncus tiehmii Orlando Mistretta 1994-6-6 1335 Los Angeles San Gabriel Mountains: Little Rock Creek, Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3 1220 Comment
  RSA368381  Juncus xiphioides I. M. Johnston 1917-6-14 1273 Los Angeles West of Pomona. Comment
  CAS-BOT-BC81005  Juniperus californica Vernon O. Bailey 1907-10-30 s.n. Los Angeles San Fernando Comment
  CAS-BOT-BC81008  Juniperus californica Alice Eastwood 1913-5-11 3152 Los Angeles San Fernando Wash Comment
  LA6561  Juniperus californica Carl Clawson Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  UCR4366  Juniperus californica Frank C. Vasek 1964-5-27 640527- 06 Los Angeles Western Mojave Desert, Antelope Valley, between Gorman & Lancaster Comment
  SBBG105477  Keckiella cordifolia F. R. Fosberg 1931-3-27 4400 Los Angeles Hamilton Cyn, on North Wall 50 Comment
  UC1587694  Keckiella cordifolia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5217 Los Angeles se end San Clemente Island (vicinity of Knob, se draw leading into upper Knob Canyon, 5100 ft nw of Guds) 251 Comment
  UCR212819  Keckiella cordifolia Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1755 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 313 Comment
  CAS-BOT-BC238333  Keckiella ternata var. septentrionalis Tim Ross; Steve Boyd 1992-7-5 6603 Los Angeles Liebre Mountains. Red Mountain: E ridge of Red Mtn, ca 530 m E of the summit 1118 Comment
  UC27509  Keckiella ternata var. septentrionalis J. H. Barber 1897-6-29 218 Los Angeles Acton; Bear Canyon Comment
  UC147339  Koeleria macrantha H. M. Hall May, 1902 3253 Los Angeles San Fernando Hills Comment
  RSA608301  Lactuca serriola L. C. Wheeler 1946-9-2 6341 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon, 0.5 mile W of Bear Creek. 518 Comment
  JEPS36685  Lactuca serriola F. W. Peirson 1921-7-20 1488 Los Angeles San Gabriel River San Gabriel Mts., San Gabriel River 457 Comment
  CATA762  Lamarckia aurea Mark L. Hoefs 1991-5-28 1300 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  RSA707938  Lamarckia aurea L. M. Prince, N. Refulio 2002-3-25 2 -283 Los Angeles Claremont, Palmer Canyon. ~0.25 km north of Padua Ave. on Palmer Canyon Rd. 450 Comment
  SEINET181909 Image available Lamarckia aurea I. W. Clokey, B Templeton 4512 Los Angeles Mandeville Canyon Santa Monica Mts 400 Comment
  UCR88664  Lamarckia aurea Scott D. White, Chet McGaugh 1995-5-9 2990 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
  UCSB400  Lamarckia aurea Kraebel, C. 1932-6-20 Los Angeles San Dimas SRE plots 303-304 (denuded) Comment
  LA12436  Lamarckia aurea Harlan Lewis; 1941-4-6 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 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-BC354218  Lasthenia coronaria L. R. Abrams 1901-4-6 1336 Los Angeles Chatsworth Park Comment
  UC89997  Lasthenia coronaria J. C. Nevin Los Angeles Los Angeles Comment
  UC89998  Lasthenia coronaria L. R. Abrams 1899-4-1 Los Angeles sand dunes between Redondo and Santa Monica Comment
  CAS-BOT-BC329163  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1901-4-10 1454 Los Angeles Near Hyde Park Comment
  RSA600114  Lasthenia gracilis Steve Boyd, Lauren Raz 1997-3-26 9341 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
  SBBG13346  Lasthenia gracilis E. R. Blakley 1962-6-9 5178 Los Angeles Triangulation Pt Thirst 598 Comment
  UCR68935  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4220 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA724475  Lathyrus laetiflorus K. Dobry 1992-2-16 d- 1049 Los Angeles West Santa Monica Mts. 5 mil No of Pacific Coast Hwy. along E. Arroyo Sequit at Camp Shalom Comment
  UCR127053  Lathyrus vestitus M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA0106492  Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-3-18 14157 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA583071  Lathyrus vestitus subsp. vestitus T. S. Ross 1993-4-22 6910 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  UCSB8570  Lathyrus vestitus var. alefeldii Sage, Paul 1958-2-1 Los Angeles South wall of Millard Canyon slope, 1/4 mile below waterfall, 175 yds. above stream bed 594 Comment
  LA82185  Lathyrus vestitus var. vestitus O. H. Kappler; 1944-4-30 597 Los Angeles 152 Comment
  CLARK-A1528-3229  Lavatera assurgentiflora Alfred R. Roos 1948-4-8 Los Angeles Culver City Comment
  UCR214634  Lavatera cretica A. C. Sanders, Dan S. Cooper 2010-3-12 37384 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCD133901  Layia glandulosa Isabelle Tavares; Valera Brinson 1962-4-16 273 Los Angeles near Palmdale, 2.7 miles east of Highway 6 on highway connecting with Angeles Crest Highway (Highway 2). Comment
  SBBG31091  Layia platyglossa R. F. Thorne 1966-4-6 35928 Los Angeles ca. 1 mi W of Empire Landing 76 Comment
  POM361675  Layia platyglossa subsp. campestris Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  RSA409632  Lepechinia fragrans Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles San Gabriel Mountains Comment
  UC457246  Lepechinia fragrans Carl Epling 1931-4-25 Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA716383  Lepechinia rossii LeRoy Gross, Valentin Arvizu, Bill Hogshead 2005-5-24 2311 Los Angeles Ruby Clearwater Truck Trail, south of Ruby Canyon, north of Red Mountain. 788 Comment
  RSA697445  Lepidium dictyotum Elisabeth Norland 1929-2-16 2 Los Angeles Cypress. Comment
  UC56974  Lepidium flavum H. M. Hall May 1 1902-May 3 1902 3041 Los Angeles Antelope Valley Comment
  JEPS53625  Lepidium fremontii W. L. Jepson 1935-4-17 17037 Los Angeles Lancaster, w Mohave Desert Mohave Desert 716 Comment
  UCSB2385  Lepidium fremontii Ralph, F. 1960-4-1 Los Angeles N. side of Calif. Hwy. 138; 9.0 miles E. of its jct. with the road to Valyermo & Big Pines; E. of Pear Blossom; 0.6 miles W. of jct. with road to Victorville; Mojave Desert Comment
  RSA609505  Lepidium lasiocarpum var. lasiocarpum L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  CAS-BOT-BC89751  Lepidium latipes Dr. H. E. Hasse 1891-3-1 s.n. Los Angeles Flats near Santa Monica. Comment
  SBBG17958  Lepidium nitidum E. R. Blakley 1963-4-10 5592 Los Angeles Echo Lake, NE of Black Jack Mtn 365 Comment
  SDSU1174  Lepidium nitidum R. M. Beauchamp 1967-1-28 146 Los Angeles Growing beside road west of Lemon Tank, San Clemente Island. Comment
  CAS-BOT-BC60041  Lepidium virginicum var. menziesii Le Roy Abrams 1901-4-6 1396 Los Angeles Montevista. Comment
  RSA772201  Lepidium virginicum var. pubescens R. G. Swinney 2009-5-27 10884 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0089851  Lepidium virginicum var. virginicum Dean Wm. Taylor 2003-5-29 18606 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction, Road 1N36. 868 Comment
  IRVC26949  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  SEINET3147932  Lepidospartum squamatum G. B. Grant 1906-9-14 sn Los Angeles Pasadena Comment
  RSA73681  Leptosiphon aureus subsp. aureus F. W. Peirson 1919-3-30 343 Los Angeles Tujunga Canyon. West end of San Gabriel Mts. 427 Comment
  UCSB7594  Leptosiphon aureus subsp. aureus Johnston, J. 1917-5-13 Los Angeles San Gabriel Mts. 152 Comment
  UCR221918  Leptosiphon breviculus R. G. Swinney 2009-4-28 10524 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  LA36084  Leptosiphon liniflorus Peter H. Raven; 1960-5-21 15396 Los Angeles Santa Monica Mountains, near Cornell Corners 243 Comment
  LA200963  Leptosiphon pygmaeus subsp. continentalis Carl Wishner; 1997-4-3 CW- 2472 Los Angeles Santa Monica Mountains, Cornell, hills just E of Los Angeles County Fire Station 275.0 Comment
  UCR189879  Lessingia filaginifolia R. G. Swinney 1998-7-27 6491 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  RSA642421  Lewisia rediviva Orlando Mistretta 1995-6-23 1831 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1981 Comment
  CDA32471  Leymus triticoides P. B. Kennedy Jun 1917 Los Angeles Road to Gardena, Los Angeles 0 Comment
  RSA250561  Lilium parryi Robert F. Thorne, John Dourley 1967-10-3 37278 Los Angeles Mt. Baden-Powell: Lamel Spring 2378 Comment
  RSA230379  Limosella acaulis Robert F. Thorne, M. Z. Thorne 1969-7-10 38381 Los Angeles San Gabriel Mts., Angeles National Forest: Wet margin of Jackson Lake. 1860 Comment
  SEINET12279028  Linanthus androsaceus Unknown 1933-1 8422 Los Angeles Comment
  CAS-BOT-BC226762  Linanthus californicus Geo. B. Grant 1904-5-5 6189 Los Angeles Arroyo Seco Canyon Comment
  RSA482002  Linanthus californicus Richard Noyes 1988-5-12 563 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA652616  Linanthus californicus G. Foster 1961-5-19 s.n. Los Angeles Mt. Baldy Rd. (old). Comment
  RSA0095263  Linanthus californicus subsp. glandulosus Brian McColgan 1988-5-16 19 Los Angeles Evey Canyon, 1 mile N of Padua on Mt. Baldy Rd. 1067 Comment
  LA33441  Linanthus dianthiflorus Peter H. Raven; 1959-4-4 13954 B Los Angeles 24 Comment
  SEINET4043537  Linanthus dichotomus O. M. Clark 1929-1 1915 Los Angeles West Lancaster, southern California. Comment
  UC23698  Linanthus liniflorus J. Burtt Davy May 9 1896-May 24 1896 2538 Los Angeles Manzana Antelope Valley Comment
  RSA725138  Linanthus parryae Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -27 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG64491  Linanthus parryae M. N. Ackley 1927-5-8 Los Angeles Little Rock foothills 914 Comment
  RSA122093  Linanthus parryae A. D. Gifford 1935-4-27 634 Los Angeles 3 1/2 miles N. of Manzana,Tejon. 854 Comment
  UC880281  Linanthus parryae B. C. Templeton 1930-4-8 4650 Los Angeles W of Lanchaster 400 Comment
  RSA0082880  Linanthus pungens R. G. Swinney 2011-7-21 15533 Los Angeles Strawberry Peak summit. 1860 Comment
  UCR184113  Linanthus pygmaeus A. C. Sanders, T. B. Salvato 2007-4-24 33479 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  UCR110897  Linaria maroccana A. C. Sanders, D. Malueg 1998-6-22 21986 B Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed 610 Comment
  RSA702905  Linum grandiflorum Scott D. White, Pam DeVries 2004-5-18 10447 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA586531  Lithophragma bolanderi T. S. Ross 1992-5-24 6406 Los Angeles San Gabriel Mountains: Lower Brown s Gulch: just W of the San Gabriel Dam 463 Comment
  CLARK-A1528-5171  Lithophragma heterophyllum John C. Roos 1942-4-18 1082 Los Angeles San Gabriel Mountains Comment
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Aug 22 2016
  RSA562567  Lithophragma heterophyllum Steve Boyd, W. Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  UCR79373  Lithophragma heterophyllum Steve Boyd, Walter Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  UCR178373  Lithophragma tenellum LeRoy Gross, Michael Denslow 2003-6-4 997 Los Angeles Transverse Ranges; San Gabriel Mtns, Southeast of Dawson Saddle, east of Angeles Crest Highway (Hwy 2) 2439 Comment
  SD253423  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains: 1.4 miles E (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Canyon and W Fork San Gabariel River, along West Fork National Scenic Bikeway (Azusa 7.5'Q) 633 Comment
  RSA670185  Lobelia dunnii var. serrata Ian Swift 2001-7-2 237 Los Angeles Middle Fish Canyon, 1 miles north of Cienega Campground 793 Comment
  RSA657152  Lobularia maritima Joseph M. Keefe 2001-1-19 31007 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 Comment
  SBBG31132  Lobularia maritima R. F. Thorne 1966-6-2 36522 Los Angeles front of fenced yard of caretaker's cottage, Girl Scout Camp at White's Landing 3 Comment
  SBBG55153  Lobularia maritima S. D'Moch 1967-4-20 Los Angeles "The Wash", Pomona College, Claremont Comment
  UC1576172  Loeflingia squarrosa var. squarrosa Geo. B. Grant 1903-5-12 701 a-5486 Los Angeles Pasadena Comment
  RSA611512  Loeseliastrum matthewsii L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  SBBG14265  Logfia arizonica M. A. Piehl 1962-6-9 62343 Los Angeles near head of China Cyn, ca. 2 mi from China Pt 213 Comment
  SBBG19188  Logfia arizonica M. A. Piehl 1963-12-7 631075 Los Angeles point opposite Pyramid Head on SE tip of island 10 Comment
  CAS-BOT-BC342187  Logfia filaginoides Le Roy Abrams 1901-4-3 1257 Los Angeles Santa Monica Mts. 213 Comment
  SD90528  Logfia filaginoides Robert F. Thorne 1973-4-11 42861 Los Angeles San Clemente Island; Middle portion of Norton Canyon. 274 Comment
  CAS-BOT-BC269094  Lolium perenne Scott D. White 1996-5-15 4043 Los Angeles Marina Del Rey Area; Ballona Ck. floodplain W of Lincoln Bl. and S of Jefferson Bl., coastal Los Angeles Co. 3 Comment
  RSA708604  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-9 1206 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  SBBG44603  Lomatium dasycarpum R. Hoffmann 1931-5-3 Los Angeles southern end of Bouquet Cyn Comment
  UC284735  Lomatium dasycarpum subsp. dasycarpum P. A. Munz 1923-5-25 6797 Los Angeles near Saugus (Mint Canyon); Mint Canyon Comment
  UCR61564  Lomatium lucidum R. G. Swinney 1969-5-5 436 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 358 Comment
  UCR209233  Lomatium nevadense R. G. Swinney 2008-6-17 9053 Los Angeles San Gabriel 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 2160 Comment
  UCR239036  Lomatium nevadense var. parishii Anuja Parikh, Nathan Gale 2010-6-1 3241 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 3.9 km west of State Hwy 14, 1.9 km southwest of California Aqueduct, under power lines 1070 Comment
  JEPS25804  Lomatium nevadense var. parishii W. L. Jepson 1939-4-21 19228 B Los Angeles Leonis Valley 975 Comment
  RSA524192  Lonicera interrupta T. S. Ross, S. D. Boyd 1990-6-6 2885 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA588143  Lonicera interrupta Orlando Mistretta 1994-5-23 1230 Los Angeles San Gabriel Mountains: Little Rock Creek. Drainage E of creek and N of Forest Rd. 4N15. 1341 Comment
  RSA0085495  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  JEPS24960  Lonicera subspicata var. denudata Ira W. Clokey, B. Templeton June, 1929 4554 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA455370  Lonicera subspicata var. denudata Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  SFV21117  Lonicera subspicata var. denudata L. Gross 2003-6-19 1098 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed 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 will drain into La Tuna Canyon. Canyon bottom (the canyon is not as deep as the hills north of 210 Freeway are low Homes are in the northern portion, the southern half gets just a little steeper on the slopes with more water in the creek. 457 Comment
  RSA406756  Lotus argophyllus subsp. ornithopus Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  UC200725  Lotus argophyllus var. argenteus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CATA1277  Lotus corniculatus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2363 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  UC184455  Lotus crassifolius var. crassifolius A. D. E. Elmer Jun 1902 3697 Los Angeles Acton Mt. Gleason Comment
  RSA187886  Lotus dendroideus var. dendroideus R. F. Thorne 1966-4-5 35814 Los Angeles Santa Catalina Island. Along small stream in Middle Ranch Canyon below Stage Station SW of Eagles Nest. 76 Comment
  RSA90293  Lotus grandiflorus var. grandiflorus F. W. Peirson 1924-5-27 4635 Los Angeles Tujunga canyon 762 Comment
  POM243731  Lotus hamatus F. R. Fosberg 1931-3-26 S- 4394 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  UCR73415  Lotus hamatus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5243 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  UCR131437  Lotus heermannii Alison Lipman 1998-4-24 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA0013557  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-6-30 5785 Los Angeles North Fork Mill Creek; along Forest Road 3N27. 1200 Comment
  UCR159701  Lotus heermannii var. heermannii Orlando Mistretta 1992-7-14 710 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District 614 Comment
  SEINET6655547  Lotus nevadensis Victor Duran 1933-7-24 3529 Los Angeles Buckhorn, San Gabriel Mountains.; 0 1981 Comment
  RSA640902  Lotus nevadensis var. davidsonii L. C. Wheeler 1967-8-9 10431 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  LA47934  Lotus oblongifolius var. oblongifolius Louis Wheeler; 1931-8-27 28 Los Angeles San Gabriel Mountains, San Dimas Canyon 380 Comment
  RSA406207  Lotus oblongifolius var. oblongifolius N. C. Cooper 1949-6-29 4376 Los Angeles San Gabriel Canyon. 610 Comment
  RSA148468  Lotus procumbens var. procumbens J. B. Feudge 1924-6-10 853 Los Angeles Big pines, desert slope of San Gabriel Mts. 1982 Comment
  UC69573  Lotus procumbens var. procumbens J. Burtt Davy May 9 1896-May 24 1896 2559 Los Angeles near Manzana; Antelope Valley Comment
  RSA0081633  Lotus purshianus R. G. Swinney 2010-9-9 13746 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA714878  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-4-14 25973 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 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
  RSA695554  Lotus salsuginosus var. salsuginosus Scott D. White, Brian Leatherman 2003-11-17 9856 Los Angeles Big Dalton Canyon, above Glendora; Big Dalton Canyon Road above reservoir. 518 Comment
  RSA762236  Lotus salsuginosus var. salsuginosus Orlando Mistretta, Christine Mistretta 2008-5-19 3130 -a Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 105 per TRTP Survey 2008), Upper Fish Canyon. 986 Comment
  RSA406840  Lotus scoparius Anstruther Davidson 1892-09 s.n. Los Angeles Redondo. Comment
  RSA406856  Lotus scoparius Gale Sphon 1955-4-12 s.n. Los Angeles Point Dume Comment
  RSA498857  Lotus scoparius E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA608070  Lotus scoparius L. C. Wheeler 1931-2-28 s.n. Los Angeles Sargent's Grove. Comment
  UCR192874  Lotus strigosus R. G. Swinney 1998-8-6 6718 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UCR276781  Lotus strigosus R. G. Swinney 2011-4-1 14308 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  POM11265  Lotus strigosus F. L. Robinson 1921-5-18 82 Los Angeles Claremont. 365 Comment
  RSA537630  Lotus strigosus Barbara Ertter 1988-5-23 7481 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  RSA660882  Lotus strigosus var. hirtellus Orlando Mistretta 1992-4-5 145 Los Angeles Guds, San Clemente Island. Comment
  UCR190391  Lupinus R. G. Swinney 2000-6-19 7807 Los Angeles San Gabriel Mtns., west of Pine Mountain and north of Azusa, junction of FS Rd. 2N24 and Pine Mtn. spur rd. 1274 Comment
  RSA0089258  Lupinus albifrons Bonnie C. Templeton 1938-5-21 s.n. Los Angeles Topanga canyon. Comment
  RSA639109  Lupinus andersonii L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  RSA0094369  Lupinus benthamii R. G. Swinney 2011-5-31 14921 A 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
  UC1234637  Lupinus bicolor Peter H. Raven 1962-4-10 17195 Los Angeles summit of Thirst summit of Thirst, San Clemente Island (San Clemente Island); , summit of Thirst 579 Comment
  UC1871215  Lupinus bicolor T. S. Ross, Walter Appleby 1993-5-20 7207 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCR265511  Lupinus bicolor Dan S. Cooper 2015-3-3 315- 14 Los Angeles Los Angeles Basin/Western Transverse Range, open space just west of Griffith Park, reached from end of Primera Ave. 305 Comment
  UCR275334  Lupinus bicolor Jeremiah George, Audrey J. George 2012-4-15 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  SEINET10484903  Lupinus bicolor subsp. microphyllus David B. Dunn 1948-3-20 Dunn 3783 Los Angeles Along a roadside about 1 block w of grand ave. On cypress ave. About a mile ne Of covina. Comment
  SEINET10484905  Lupinus bicolor subsp. microphyllus David B. Dunn 1947-4-16 Dunn 2949 Los Angeles Route from newhall to palmdale; acton junction on nw side of highway, in open Field. Small sample taken. Comment
  RSA545176  Lupinus bicolor subsp. umbellatus Tim S. Ross 1992-4-16 6199 Los Angeles Central part of island on upland Stipa pulchra grassland; 289 degrees WNW. 500m distant from 1603 peak above Stone station. San Clemente Island. 439 Comment
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Dec 24 2010
  UCR281352  Lupinus concinnus R. G. Swinney 2014-4-24 16237 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  IRVC28815  Lupinus concinnus P. W. Rundel 1964-5-3 1285 Los Angeles San Joaquin drainage; 0.25mi N of Tejon Pass. Tehachapi Mtns. 1250 Comment
  RSA586644  Lupinus concinnus Orlando Mistretta 1995-6-1 1756 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  UCD107519  Lupinus concinnus Daryl Koutnik 1978-5-10 472 Los Angeles On fireroad; end of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  UCR193431  Lupinus concinnus subsp. orcuttii Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, Santa Clara Riverbed, 1 km west of Sand Canyon Rd., Santa Clarita 460 Comment
  CAS-BOT-BC205144  Lupinus elatus Oakley Shields 1970-6-27 90 Los Angeles 3.7 miles s.w. of Dawson Saddle, San Gabriel Mts., Angeles Crest Highway 2103 Comment
  RSA646076  Lupinus elatus Orlando Mistretta, Joe Mistretta 1992-9-22 s.n. Los Angeles San Gabriel Mountains: Pacific Crest Trail, between Cloudburst Summit and Cooper Camp. Comment
  SEINET10450533  Lupinus elatus C. W. Tilforth 1970-7-28 Tilforth 287 Los Angeles Gravelly, granitic soil, Cortelyou Springs, State Hwy. 2, San Gabriel Mtns. 2134 Comment
  RSA0072195  Lupinus excubitus Daisie Huang 2009-5-3 09050301 Los Angeles Monrovia Canyon Park, just past locked gate at trailhead to Ben Overturff Trail. 505 Comment
  SD124812  Lupinus excubitus A. C. Sanders 1986-7-30 6833 Los Angeles El Segundo Dunes, immediately west of LA International Airport & Pershing Drive, east of Vista Del Mar Blvd.; coastal dunes, formerly largely occupied by residential neighborhoods, houses remoced ca. 15 years ago 29 Comment
  SEINET4035773  Lupinus excubitus R. Moran 1941-1 704 Los Angeles Mouth of Hermit Gulch, Santa Catalina Island. 50 Comment
  CAS-BOT-BC216655  Lupinus excubitus subsp. hallii Alice Eastwood 1919-5-29 8921 Los Angeles San Gabriel Canyon Comment
  RSA755940  Lupinus excubitus var. austromontanus Orlando Mistretta, Christine Mistretta 2008-4-10 2414 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  UCR178892  Lupinus formosus R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  SBBG45472  Lupinus formosus D. Emery 1955-4-28 Los Angeles 2 mi N of Big Rock Crk on Hwy 138 Comment
  RSA39400  Lupinus formosus var. formosus Charlotte M. Hoak 1947-4-26 11701 Los Angeles Montrose, near La Canada Comment
  RSA545182  Lupinus guadalupensis T. S. Ross 1992-4-16 6206 Los Angeles Central part of island; 291 degrees WNW, 725 m distant from summit of 1603' peak above Stone field station, San Clemente Island 416 Comment
  SD86324  Lupinus guadalupensis R. Mitchel Beauchamp, M. Douglas 1972-3-24 3225 Los Angeles San Clemente Island, in open areas south of Eel Point 24 Comment
  UC557773  Lupinus guadalupensis Nell Murbarger March, 1936 15 Los Angeles e side San Clemente Island (near the ocean); e side San Clemente Island Comment
  SBBG132166  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 165 Los Angeles near bottom of Eel Point grade 73 Comment
  CAS-BOT-BC211687  Lupinus longifolius Alice Eastwood 1919-5-29 8921 Los Angeles San Gabriel Canyon Comment
  POM2432  Lupinus longifolius C. F. Baker 1909-4-10 5301 Los Angeles Glendora Comment
  SEINET10485614  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  OBI48356  Lupinus microcarpus var. densiflorus Rhonda Riggins 1981-5-24 1233 Los Angeles Roadside bank Co. Rd N2, 0.5 mi S Jackson Rd, 2.7 mi SE Hwy 138 Comment
  RSA252912  Lupinus microcarpus var. microcarpus R. F. Thorne 1973-5-11 43501 Los Angeles San Gabriel Mountains: near mouth of Big Rock Creek Canyon 1204 Comment
  UCR141299  Lupinus odoratus R. F. Thorne 1974-4-9 44709 Los Angeles San Gabriel Mtns./Mojave Desert, Bob's Gap in Holcomb Ridge 1220 Comment
  SBBG3701  Lupinus sparsiflorus H. and M. Dearing 1935-4-13 784 Los Angeles Bouquet Cyn, near Palmdale Comment
  SD215539  Lupinus sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 Los Angeles Knapp Ranch area at upper end of Castiac Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UCR230899  Lupinus sparsiflorus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8049 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1116 Comment
  UCR258705  Lupinus sparsiflorus R. G. Swinney 2010-3-22 12019 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  LA52449  Lupinus sparsiflorus subsp. sparsiflorus J. A. Ewan; April 1933 10909 Los Angeles 365 Comment
  SEINET11091455 Image available Lupinus sparsiflorus subsp. sparsiflorus G. B. Grant 1904-5-10 731 Los Angeles Pasadena Comment
  RSA414823  Lupinus succulentus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA498206  Lupinus succulentus N. C. Cooper 1945-5-1 2246 Los Angeles Tapia Park, Santa Monica Mountains 762 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
  UC1584905  Lupinus succulentus Tim Ross 1991-4-8 4479 Los Angeles western Pomona (Elephant Hill); San Dimas Quad., Western Pomona, Elephant Hill 228 Comment
  RSA658883  Lupinus succulentus Douglas A. Springer 1981-3-4 30 Los Angeles 1 mile SW of Interstate 10 on Kellogg Drive at Cal Poly University Campus. Comment
  CHSC95805  Lupinus truncatus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 725 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. On ridge east of the Brand canyon Cemetery west of the land fill. The lower part of Brand Park motorway. A southwest trending ridge. The fire burn the northwest side of ridge facing the cemetery. 307 Comment
  RSA0060775  Lupinus truncatus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6815 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SBBG38755  Lupinus truncatus R. Moran 1941-2-18 588 Los Angeles Middle Ranch Crk 30 Comment
  UC1922668  Lupinus truncatus Valerie Soza, Miriam Sidibeh 2003-3-26 1607 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA414383  Lupinus truncatus M. Bisbee 1917-4-10 s.n. Los Angeles Hill Ave. Eagle Rock Comment
  UCD109649  Lupinus truncatus Raymond A. Evans 1949-4-19 s.n. Los Angeles San Dimas. Comment
  RSA226039  Lycium cooperi Robert F. Thorne, C. W. Tilforth 1971-6-29 40670 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1/2 mi W of Soledad near mouth of Kentucky Springs Canyon 945 Comment
  SD8404  Lyonothamnus floribundus T. S. Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  RSA155823  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon. 198 Comment
  RSA235233  Lyonothamnus floribundus subsp. floribundus E. R. Blakley 1962-10-4 5401 Los Angeles Santa Catalina Island. Ironwood Gully south of Catalina harbor at the Isthmus. 198 Comment
  SEINET6065314  Lythrum californicum Unknown 1996-6-12 8838 Los Angeles Liebre Mountains Comment
  POM147536  Madia exigua Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR193676  Madia gracilis R. G. Swinney, Dave Larson 1999-6-25 7411 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA561591  Madia gracilis Steve Boyd, Orlando Mistretta 1993-6-3 8178 Los Angeles Western San Gabriel Mountains: north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile NE of May Canyon saddle. 915 Comment
  RSA158336  Malacothamnus clementinus Peter H. Raven 1962-7-10 17977 Los Angeles Canyon below Lemon Tank in dump; San Clemente Island. 244 Comment
  RSA213346  Malacothamnus fasciculatus Reid V. Moran 1941-3-3 670 Los Angeles brink of cliff by the falls, near Parson s Landing, Santa Catalina Island 200 Comment
  RSA753990  Malacothamnus fremontii David Marqua 1967-7-20 670720 Los Angeles N side of the San Gabriel Mts. near Devil s Punch Bowl Co. Park. Comment
  POM2840  Malacothamnus fremontii Carl B. Wolf 1931-10-23 1353 Los Angeles Swartout valley. 1/8 mile east of Wrightwood Lodge, San Gabriel Mountains. 1829 Comment
  POM362256  Malacothrix californica Anstruther Davidson s.n. Los Angeles Burbank. Comment
  UCR73396  Malacothrix foliosa subsp. foliosa T. S. Ross, O. Mistretta, M. Hammit 1991-5-17 5080 Los Angeles Channel Islands, San Clemente Island, West Cove, SW of new landing field 6 Comment
  UCR281667  Malacothrix glabrata R. G. Swinney 2014-4-23 16185 Los Angeles San Gabriel Mountains, east of Valyermo, Holcomb Ridge, 0.18-0.32 miles north of Bob's Gap Rd., 1.04 air-miles west of Bob's Gap 1302 Comment
  UCR219936  Malacothrix saxatilis R. G. Swinney 2009-4-16 10380 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  LA32066  Malacothrix saxatilis var. tenuifolia Peter H. Raven; Henry J. Thompson 1959-9-6 14378 Los Angeles Santa Monica Mountains, at mouth of Malibu Creek 12 Comment
  SD69584  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1966-9-16 36725 Los Angeles Santa Catalina Island; Lookout Point southeast of Pebbly Beach. 45 Comment
  RSA650020  Malosma laurina Claude T. Powers 1949-1-2 s.n. Los Angeles In vacant lot behind 5030 Angeles Crest, La Canada 512 Comment
  RSA650022B  Malosma laurina A. E. Hersh 1950-7-9 s.n. Los Angeles roadside [Topanga] Canyon, about 2 miles from west end. 91 Comment
  UC17935  Malosma laurina Blanche Trask Apr. 1890 Los Angeles Avalon Santa Catalina Isl., Avalon Comment
  SD69610  Malva parviflora Robert F. Thorne, P. Everett 1965-5-10 34516 Los Angeles Santa Catalina Island; near upper end of Gallagher Canyon. 441 Comment
  RSA12390  Malva parviflora Carl B. Wolf 1934-4-11 5602 Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 1864.92 ft. so. of NW corner of section. 15 Comment
  SEINET1004067  Malva sylvestris A. C. Sanders, Lee Jones 2005-1 29347 Los Angeles South Coast: Palos Verdes Peninsula, old MarineLand Site on Long Point and Bluffs toward Pt. Vicente (Redondo Beach 7.5' Q) 2 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
  UCR192526  Marah fabacea A. C. Sanders 2008-4-10 34786 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
  RSA598846  Marah horrida Steve Boyd, Timothy S. Ross 1997-3-21 9218 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SBBG17805  Marah macrocarpa P. H. Raven 1962-4-9 17160 Los Angeles above Wilson Cove 30 Comment
  UCSB9121  Marah macrocarpa Wedberg, H. 1958-2-22 Los Angeles Mulholland Drive, 1/8 mile W of fire station, W of Beverly Glen Blvd., Santa Monica Mts. Comment
  RSA213375  Marah macrocarpa M. B. Dunkle 1939-4-4 7251 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA604407  Marah macrocarpa Claire R. Wheeler 1933-6-17 1872 Los Angeles 2 mi. N Claremont Comment
  RSA0022524  Marrubium vulgare Duncan S. Bell, Caitlin Elam 2013-6-24 5248 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA0035188  Marrubium vulgare James S. Burns 1992-5-5 7 Los Angeles 1 mile north on Van Tassel fire road from south access; Angeles National Forest. 457 Comment
  LA33773  Marrubium vulgare Peter H. Raven; 1959-5-3 14102 Los Angeles Santa Monica Mountains, Franklin Canyon, 0.1 mi S of Mulholland Dr 350 Comment
  RSA409827  Marrubium vulgare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA660845  Marrubium vulgare Ann Williams 1992-5-14 3 -92 Los Angeles End of Oceanview Ave., .3 mi. N of Mar Vista St. Whittier. 152 Comment
  CAS-BOT-BC422743  Meconella denticulata Frank W. Peirson 1925-4-23 5806 Los Angeles San Gabriel Canyon below Forks 365 Comment
  SEINET10488169  Medicago hispida David B. Dunn 1941-2-22 Dunn 682 Los Angeles Ucla campus on westwood blvd. Comment
  SBBG127523  Medicago polymorpha M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2855 Los Angeles by rd to Toyon Beach 313 Comment
  UCR124744  Medicago polymorpha B. C. Templeton, I. W. Clokey 1930-4-2 4408 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  UCR275026  Medicago polymorpha Michael Honer, Rachel Woodard 2006-4-18 2200 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  POM348019  Medicago polymorpha M. B. Dunkle 1939-4-6 7327 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA669629  Medicago polymorpha LeRoy Gross 2002-4-13 527 Los Angeles At intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest. 579 Comment
  CATA318  Medicago sativa Mark L. Hoefs 1973-6-5 345 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  POM345069  Medicago sativa F. R. Fosberg 1931-3-31 S 4421 Los Angeles Santa Catalina Island. Comment
  POM348064  Medicago sativa N. C. Cooper 1948-5-13 2763 Los Angeles Pomona. 244 Comment
  SEINET12190917  Melaleuca nesophila E. Mason, Tebbett 1950-1 s.n. Los Angeles resort near Los Angeles Comment
  RSA0083310  Melica imperfecta R. G. Swinney 2010-3-22 12017 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 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
  UC1108611  Melica imperfecta Huron H. Smith 1912-5-31 5059 Los Angeles Pebble Beach Road; Santa Catalina Island 7 Comment
  UCR223164  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA579233  Melilotus albus Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7418 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near Inspiration Point. 21 Comment
  POM348165  Melilotus albus Edith Allen 1939-7-27 s.n. Los Angeles Playa del Rey. Comment
  RSA320823  Melilotus albus F. C. Boutin 1967-4-23 1615 Los Angeles San Clemente Island: Between main airstrip and Wilson Cove Comment
  RSA608722  Melilotus albus L. C. Wheeler 1931-3-14 s.n. Los Angeles La Verne. Comment
  RSA652193  Melilotus albus R. Evans 1951-4-27 s.n. Los Angeles 3/4 mile south of Puddingstone on Puddingstone Rd. Comment
  RSA0112555  Melilotus indicus R. G. Swinney 2011-6-29 15336 B Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon, confluence with Mill Creek. 1098 Comment
  SBBG13317  Melilotus indicus M. A. Piehl -Jun-1962 62377 Los Angeles about buildings and along rds at Navy Base 38 Comment
  UCR186752  Melilotus indicus T. B. Salvato, Sandra Murcia 2007-3-28 2019 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  UCR216914  Melilotus indicus R. G. Swinney 2009-3-16 10120 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR219822  Melilotus indicus R. G. Swinney 2009-4-16 10372 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR272966  Melilotus indicus R. G. Swinney 2011-6-29 15336 B Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UC57018  Mentha spicata Ernest Braunton Sept. 1902 667 Los Angeles Echo Park Comment
  UCR280896  Mentzelia R. G. Swinney 2014-5-7 16409 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  JEPS41152  Mentzelia albicaulis W. L. Jepson 1939-4-21 19231 Los Angeles Mojave Desert, Fairmont 847 Comment
  RSA0114887  Mentzelia congesta R. G. Swinney 2011-4-26 14504 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  UC73396  Mentzelia congesta H. M. Hall 1899-6-20 1228 Los Angeles San Antonio Mountains, Lytte Creek Canyon 1752 Comment
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Mar 21 2014
  RSA653778  Mentzelia micrantha J. Bogdanoff-Lord 1989-5-21 25 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
  SBBG34755  Mentzelia micrantha V. Soza, S. Boyd 2002-4-10 1390 Los Angeles ridge above E fork of Haskell Cyn, ridge just W of Del Sur Ridge, approx 2 mi NW along Coarse Gold Cyn fire rd from Bouquet Cyn. 655 Comment
  RSA595938  Mentzelia veatchiana Louis C. Wheeler 1967-5-12 9420 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SEINET2441685  Mentzelia veatchiana Barbara Ertter, L. Heckard; T. Sholars; J. Hickman; et al. 1988-5-23 7486 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2). Comment
  SEINET6654143  Mentzelia veatchiana R. G. Swinney 2008-5-8 8781 Los Angeles San Gabriel Mtns, West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co Park. 0.6 mi southwest of Big Rock Creed Rd.; 0 Comment
  CAS-BOT-BC435248  Mesembryanthemum crystallinum Nell Murbarger 1936-3-1 97 Los Angeles San Clemente Island. South and west sides of island Comment
  CATA453  Mesembryanthemum nodiflorum Sara L. Crockett 1997-3-20 594 Los Angeles Santa Catalina Island: Point overlooking and NE of Ben Weston Beach 164 Comment
  SBBG128338  Mesembryanthemum nodiflorum A. Cheung, S. Lawrence-Gomez, D. Kasang, M. Zou, S. Ratay 2011-7-1 13 Los Angeles Deer Valley Trail 23 Comment
  CAS-BOT-BC435290  Mesembryanthemum nodiflorum Robert F. Thorne 1970-3-6 39397 Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  LA209013  Micranthes californica Virginia Mars; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway Comment
  UCR187229  Microseris douglasii A. C. Sanders 2006-4-25 32192 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
  RSA0091872  Microseris douglasii subsp. platycarpha Steven A. Junak 2001-5-18 SCa- 1545 Los Angeles Santa Catalina Island. Cottonwood Canyon, along Cottonwood-Blackjack Road, ca. 1.6 miles WSW of Blackjack Peak. Comment
  RSA774269  Microseris lindleyi R. G. Swinney 2009-6-8 11091 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CATA1679  Mimulus aurantiacus Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2970 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  UCR127016  Mimulus aurantiacus A. C. Sanders, Mark A. Elvin 2003-6-18 26950 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  HSC84133  Mimulus aurantiacus var. pubescens David Charlton 1987-1-31 639 Los Angeles Saddle Peak 610 Comment
  RSA597014  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3811 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA442699  Mimulus aurantiacus var. puniceus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA0115093  Mimulus aurantiacus var. puniceus Steven A. Junak 2000-6-30 SCa- 1361 Los Angeles Santa Catalina Island. N-facing slope just W of summit of Mt. Torquemada and Triangulation Point well 2. 402 Comment
  RSA735098  Mimulus bigelovii Rosemarie Zimmermann 1964-5-1 371 Los Angeles Valyermo. 1372 Comment
  LA35209  Mimulus brevipes Mary V. Hood; 1944-5-7 44- 39 -k* Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  RSA669332  Mimulus cardinalis LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 556 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  UCR277198  Mimulus cardinalis R. G. Swinney 2010-9-30 13955 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
  UCSB6060  Mimulus cardinalis Gill, Robert 1959-9-30 Los Angeles San Gabriel Dam (Morris); at base pf dam; San Gabriel Mt. Range 298 Comment
  UC1174799  Mimulus clevelandii E. K. Balls 1960-5-2 24099 Los Angeles Botanic Garden Claremont Comment
  RSA580689  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-25 7909 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  UCR178624  Mimulus floribundus R. G. Swinney 1989-6-25 s.n. Los Angeles Eastern San Gabriel Mtns, in and near Glendora Wilderness Park; in Little Dalton Debris Basin 366 Comment
  POM306775  Mimulus floribundus Henry J. Ramsey, Henry J. Ramsey 1937-9-2 I 622 Los Angeles Angeles Crest Highway, 3 miles below Mt. Wilson. Comment
  UCSC000868  Mimulus fremontii Peter Kamb 1948-5-6 954 Los Angeles Desert foothills of the San Gabriel Mts above Little Rock San Gabriel Mts, Little Rock 975 Comment
  RSA249817  Mimulus fremontii var. fremontii Robert F. Thorne, Gary D. Wallace 1973-4-25 43360 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
  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
  SBBG56199  Mimulus guttatus F. C. Boutin 1967-4-23 1692 Los Angeles cyn SE of Lemon Tank Comment
  UCR223065  Mimulus guttatus R. G. Swinney 2009-5-6 10684 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  POM156324  Mimulus guttatus L. R. Abrams 1902-7-1 2612 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA657444  Mimulus guttatus Gerald Pitto 1980-6-8 46 Los Angeles Verdugo Mountains: 1/4 mile up Cook's Canyon, end of Markridge Road, top of Lowell Ave. La Crescenta. 579 Comment
  RSA238211  Mimulus johnstonii Robert F. Thorne 1969-7-2 38279 Los Angeles Angeles National Forest: Upper Chilao Campground 1616 Comment
  RSA434686  Mimulus pilosus Anstruther Davidson 1901-08 1931 Los Angeles Rock Creek. Comment
  UCR202731  Mimulus pilosus R. G. Swinney, Cody Clarke 2001-8-22 8086 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
  RSA0127181  Mimulus pilosus Louis C. Wheeler 1967-7-20 10129 Los Angeles Aliso Canyon. 1067 Comment
  RSA586700  Mimulus pilosus Orlando Mistretta, Mark A. Elvin 1995-6-20 1800 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  UCR277020  Mimulus rubellus R. G. Swinney 2010-9-30 13923 Los Angeles San Gabriel Mountains, 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
  UCR206519  Mirabilis jalapa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36949 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  SD237524  Mirabilis laevis R. G. Swinney 2009-5-13 10774 Los Angeles Transverse Rangee; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Junipr Hills. 1121 Comment
  SFV5393  Mirabilis laevis J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles Mojave Desert About 0.5 miles north of Pearblossom. 915 Comment
  RSA464645  Mirabilis laevis var. crassifolia Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA128269  Mirabilis laevis var. crassifolia H. J. Thompson 1959-4-12 1924 Los Angeles Santa Monica Mountains: 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  JEPS86552  Mirabilis laevis var. villosa Roy E. Buck 1988-5-29 913 Los Angeles 14 air km ese Pearblossom (e of Largo Vista Rd, ca 3.1 rd mi s of CA Hwy 138, ca 0.3 air km e of 4200 ft elevation on wash draining Grandview Canyon); s side Antelope Valley 1280 Comment
  RSA276009  Mirabilis laevis var. villosa Jack Delaini 1974-5-9 185 Los Angeles On steep , grassy slopes of S-facing ridge near mouth of canyon with Eriogonum fasciculatum foliosum, adenostoma fasciculatum, rhus laurina, etc. 427 Comment
  CAS-BOT-BC434878  Mirabilis multiflora var. pubescens Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley Comment
  RSA408576  Monardella australis subsp. cinerea F. R. Fosberg, Ewan 1931-8-12 791 Los Angeles Mt. Islip, near summit. 2440 Comment
  RSA96406  Monardella australis subsp. cinerea E. K. Balls 1954-9-4 19786 Los Angeles Trail from ski lift to Badly Summit Comment
  UCD145370  Monardella breweri subsp. lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mountains: Millard Canyon. Between Millard Canyon and Arroyo Seco. 441 Comment
  UCR141160  Monardella exilis June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  CHSC68013  Monardella saxicola 1990-7-11 Los Angeles Grown in the garden of J. Sorenson, with a note written by James Jokerst, ''Type' locality,' I.e., Brown's Flats, San Gabriel Mountains. Comment
  RSA3228  Mucronea californica Carl B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando 335 Comment
  SEINET3132296  Mucronea californica G. B. Grant 1901-1-1 173 Los Angeles Arcadia Comment
  UC55740  Mucronea californica Ernest Braunton 1902-6-4 417 Los Angeles L. A. River Comment
  UCR146501  Muhlenbergia californica Scott D. White 2004-7-28 10653 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UC70738  Muhlenbergia microsperma W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  SD257142  Muhlenbergia rigens R. G. Swinney 2010-9-9 13759 Los Angeles San Gabriel Mountains:Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. (Crystal Lek 7.5'Q) Comment
  SBBG57541  Muilla maritima R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  UC72243  Muilla maritima Miss E. D. Palmer 1902-4 Los Angeles vicinity Los Angeles; Claremont Comment
  UCR205858  Muilla maritima R. G. Swinney 2008-5-8 8807 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
  UCR273043  Muilla maritima R. G. Swinney 2011-7-8 15485 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0010802  Myoporum laetum Scott D. White 1997-3-12 4729 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  SEINET269168 Image available Myoporum laetum Scott D. White 1995-1 2575 Los Angeles Upslope from Winter Cyn. near Pepperdine Univ. north of Pacific Coast Hwy. E of Maliby Cyn. Rd. SW of Maliby Civic C 91 Comment
  UCR107805  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 Los Angeles Liebre Mountains, Portal Ridge, north of the San Andreas Rift Zon, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  JEPS30072  Myrica californica Dr. H. E. Hasse 1890-7-15 2 Los Angeles Santa Monica Range, Rustic Canyon Comment
  SEINET238570 Image available Myriophyllum Scott D. White 1997-5-21 4 Los Angeles San Gabriel River Canyon; N of Azusa; parallel to Hwy 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging stn. below Morris Dam. 244 Comment
  UCR101199  Najas marina L. C. Wheeler 1947-9-14 6628 Los Angeles N of El Monte, Peck Road, near Arrow Hwy. 106 Comment
  RSA614989  Nama demissa var. demissa Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA591908  Nassella cernua L. C. Wheeler 1967-5-8 9296 Los Angeles Liebre Mountains. Between Bouquet Junction and Bonelli Ranch. 381 Comment
  UCSB47249  Nassella cernua Knight, Mark 1982-5-20 Los Angeles 2 meters east of Hungry Valley Road offramp, Interstate 5 914 Comment
  CAS-BOT-BC259908  Nassella lepida Tim Ross; Orlando Mistretta 1993-5-27 7325 Los Angeles W end of the San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 819 Comment
  UC821970  Nassella lepida Agnes Chase Apr 12 1910-Apr 15 1910 5559 Los Angeles near mouth of Rubio Canyon (base of mt); Echo Mt. Comment
  UCD87917  Nassella lepida Peter H. Raven; Robert F. Thorne 1964-5-7 19030 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains. 243 Comment
  SEINET11682297  Nassella lepida H. E. Hasse 1888-1 s.n. Los Angeles no further locality Comment
  CDA29945  Nassella tenuissima Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  RSA751104  Navarretia atractyloides Justin M. Wood 2009-6-5 835 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  CHSC98730  Navarretia hamata subsp. hamata LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1074 Los Angeles Tansverse Ranges; Verdugo Mountains region: North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  CATA470  Navarretia hamata subsp. leptantha Sara L. Crockett, Steve Junak 1997-3-27 612 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  UCR220281  Nemacladus glanduliferus R. G. Swinney 2009-4-24 10485 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UC1563056  Nemacladus longiflorus var. breviflorus Steve Boyd and Orlando Mistretta 1986-3-31 1559 Los Angeles 4 mi e Hwy. 138 junction with Hwy. 18 (ne of Pinyon Hills); Mojave Desert Comment
  UCR256609  Nemacladus pinnatifidus Anuja Parikh, Nathan Gale 2011-6-10 3442 Los Angeles Transverse Range; San Gabriel Mountains, north of Aliso Canyon, 0.6 km west of Angeles Forest Hwy, 1.5 km north of Aliso Canyon Road 1265 Comment
  CAS-BOT-BC226262  Nemacladus sigmoideus Timothy S. Ross; Darin Banks 1994-6-21 7994 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: saddle between the north fork Tie Canyon on the SW and a major NE-drainaing tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit 1645 Comment
  UC1611538  Nemophila menziesii Tim Ross and Walter Appleby 1993-4-15 6823 Los Angeles Los Pinetos Spring wester San Gabriel Mtns., San Fernando 7.5' USGS quad, Los P (at head of canyon) 893 Comment
  RSA600077  Nemophila menziesii var. integrifolia Steve Boyd, Lauren Raz 1997-5-20 9791 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR16821  Nemophila menziesii var. integrifolia William E. Wayburn 1973-5-30 730530- 02 Los Angeles San Gabriel Mtns., c. 1 mi west from Baldy Village, 1/2 mi southwest of Cow Canyon Saddle on [Sunset Ridge Fire Road], Sunset Peak 1524 Comment
  UCR263214  Nemophila menziesii var. menziesii Ed Kentner, Onkar Singh 2014-4-4 368 Los Angeles Western Mojave Desert, c. 3.3 km northeast of vAlyermo along bob's Gap road c. 1.6 km southeast of the aqueduct 1126 Comment
  SD253469  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  LA211201  Nemophila pedunculata Arthur C. Gibson; 2009-3-21 5385 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Side trail from service road to M.A.S.H. site. Comment
  UCR138699  Nerium oleander L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mtns, Pacoima Canyon at Ant Canyon 678 Comment
  POM49430  Nicotiana attenuata A. D. E. Elmer 1902-06 3656 Los Angeles Acton. Comment
  CAS-BOT-BC231558  Nicotiana glauca H. E. McMinn 1924-7-25 1328 Los Angeles Catalina Island Comment
  SBBG70583  Nicotiana glauca M. N. Ackley -Jul-1927 968 Los Angeles Eagle Rock 213 Comment
  UC535346  Nicotiana glauca Ira W. Clokey, B. Templeton Jun 1929 4583 Los Angeles Mandeville Canyon; Santa Monica Mountains 150 Comment
  RSA0060155  Nicotiana quadrivalvis Scott D. White, Andrea Warniment 2005-9-13 11224 Los Angeles Tehachapi Mountains: Slopes and plateaus west of Oso Canyon, ca. 1-2 air miles N of Quail Lake. 1067 Comment
  SEINET10696856  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3949 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  POM219204  Notholaena californica subsp. californica L. C. Wheeler 1932-7-9 955 Los Angeles 3/4 mi. from mouth Rogers Canyon, San Gabriel Mts. 365 Comment
  SBBG98671  Nuttallanthus texanus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5181 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  RSA146102  Oenothera californica subsp. californica Peter H. Raven 1959-3-31 13905 Los Angeles 2.5 miles west of Littlerock. Comment
  POM158225  Oenothera elata subsp. hirsutissima P. A. Munz 1928-9-4 11171 Los Angeles Mouth of Rock Creek. 1159 Comment
  UC1234722  Oenothera elata subsp. hirsutissima David P. Gregory 1961-8-2 478 Los Angeles over the ridge from Wrightwood (along stream); San Gabriel Mts., Prairie Fork Comment
  RSA609529  Opuntia basilaris var. brachyclada L. C. Wheeler 1970-7-16 s.n. Los Angeles San Gabriel Mountains: Bootleggers Canyon. Comment
  POM285264  Opuntia parryi Lyman Benson 1953-6-3 15133 Los Angeles Southeast of Indian Hill, Claremont. 427 Comment
  RSA774953  Orobanche californica R. G. Swinney 2009-5-6 10689 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA0103794  Orobanche fasciculata R. G. Swinney 2011-6-14 15115 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA584587  Orobanche fasciculata Tim S. Ross, Steve D. Boyd 1993-5-23 7222 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  UCR261843  Orobanche vallicola Tim Thomas 1986-7-8 940 Los Angeles Santa Monica Mountains, Charmlee Park, just south of picnic area 421 Comment
  RSA603556  Orthocarpus purpurascens Sara L. Crockett, Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 626 Los Angeles N side of Cherry Harbor, overlooking harbor, ca. 60 m upslope. 75 Comment
  CAS-BOT-BC355759  Osmadenia tenella Geo. B. Grant 1904-5-24 125 /6269 Los Angeles Pasadena Comment
  RSA97392  Osmorhiza brachypoda F. W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco Canyon, near Pasadena. 610 Comment
  SBBG106252  Oxalis corniculata S. A. Junak 1985-5-14 SCl 56 Los Angeles Wilson Cove, along rd to pier 30 Comment
  OBI54401  Oxalis corniculata Steve Morgan 1974-5-1 92 Los Angeles 1212 E. Las Tunas Dr, San Gabriel Comment
  RSA0077538  Oxalis corniculata G. Wallace 1964-5-11 s.n. Los Angeles Arcadia. Comment
  RSA0116816  Oxytheca perfoliata R. G. Swinney 2011-4-19 14391 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
  RSA228857  Oxytheca trilobata Robert F. Thorne 1971-6-26 39989 Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  CHSC95787  Packera ionophylla LeRoy Gross; Michael Denslow 2003-6-4 987 Los Angeles Transverse Ranges: San Gabriel Mountains region: Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed spring. UTM zone: 3802412N, 0421876E. 1935 Comment
  CAS-BOT-BC121162  Paeonia californica LeRoy Abrams 1901-4-3 1265 Los Angeles Santa Monica Mountains 274 Comment
  UCR270232  Panicum capillare R. G. Swinney 2011-6-30 15382 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  CHSC95449  Parietaria hespera var. californica LeRoy Gross; Valerie Soza 2001-6-6 432 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 701 Comment
  SBBG112821  Parietaria hespera var. californica S. A. Junak with K. Kirkland 1998-7-17 SCa 784 Los Angeles lower portion of Silver Cyn, upstream from lowest fork, ca. 0.35 air mi inland from beach 30 Comment
  UCR204452  Parietaria hespera var. californica R. G. Swinney 2005-4-23 8222 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 572 Comment
  SBBG120057  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Fwy (which bisects pit) and N of Santa Fe RR, E of the San Gabriel River channel 171 Comment
  SEINET222750 Image available Parkinsonia florida Leila M. Shultz 1981-4-26 5001 Los Angeles CULTIVATED; Rancho Santa Ana Botanical Garden. 305 Comment
  RSA729414  Parnassia cirrata var. cirrata R. G. Swinney 1998-10-3 6994 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
  RSA733147  Paspalum vaginatum R. E. Riefner 2006-7-8 6 -293 Los Angeles City of Malibu, Malibu Lagoon, E. lagoon near Surfrider Beach. 0 Comment
  SEINET10682159  Passiflora citrina S. Krosnick 2008-7-27 Krosnick 440 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #95. in Honduras Comment
  SEINET10952305  Passiflora foetida S. Krosnick 2008-7-27 Krosnick 449 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #109 in Honduras Comment
  SEINET8044071 Image available Pectocarya linearis subsp. ferocula R. G. Swinney 2010-1 11876 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0097014  Pectocarya linearis subsp. ferocula R. F. Thorne 1966-4-17 36101 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  UCR124600  Pectocarya penicillata B. C. Templeton, I. W. Clokey 1930-4-8 1014 Los Angeles San Gabriel Mtns., San Francisquito Canyon 549 Comment
  RSA0119792  Pectocarya setosa R. G. Swinney 2014-4-30 16291 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  UC25029  Pectocarya setosa Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  UCR270830  Pectocarya setosa R. G. Swinney 2011-5-24 14823 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA368821  Pectocarya setosa Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 966 Los Angeles Roadside, Big Pines Hwy. midway between pearblossom and Valyermo 1037 Comment
  RSA639035C  Pectocarya setosa R. F. Thorne 1973-5-11 43524 Los Angeles San Gabriel Mts., Mojave Desert slope: Juniper Hills, c. 2 mi S of Ft. Tejon Road 1250 Comment
  RSA0110587  Pedicularis semibarbata R. G. Swinney 2011-8-5 15590 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  RSA425310  Pedicularis semibarbata Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  RSA654215  Pedicularis semibarbata Valerie L. Soza, LeRoy Gross 2000-5-23 953 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  CAS-BOT-BC67722  Pellaea andromedifolia Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Island Comment
  RSA0088109  Pellaea andromedifolia R. G. Swinney 2010-4-30 12455 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  SEINET10568001  Pellaea andromedifolia David B. Dunn 1937-2-28 Dunn UMO 40300 Los Angeles Monrovia canyon. Comment
  POM863  Pellaea andromedifolia var. andromedifolia M. M. Culter 1916-3-17 s.n. Los Angeles [San Gabriel Mountains] Live Oak Canyon, north of La Verne. Comment
  CAS-BOT-BC77193  Pellaea mucronata subsp. mucronata Steven A. Junak 1997-4-22 855 Los Angeles San Clemente Island - W side of island, just below rim on N side of Waynuk Canyon, just upstream from large drop-off, 365 Comment
  OBI9308  Penstemon centranthifolius Bill Arbaugh 1966-4-18 s.n. Los Angeles Weldon Cyn 152 Comment
  RSA749029  Penstemon centranthifolius R. G. Swinney 2008-5-5 8747 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA586978  Penstemon centranthifolius Orlando Mistretta 1992-5-8 319 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UCR271304  Penstemon grinnellii R. G. Swinney 2011-10-10 15753 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
  RSA702611  Penstemon grinnellii subsp. grinnellii Tim Thibault, Bryan Tutt, Dolores Gault 2004-6-18 316 Los Angeles Mt. Williamson 2090 Comment
  UCR277034  Penstemon heterophyllus R. G. Swinney 2010-5-25 12918 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA248652  Penstemon heterophyllus Christopher Davidson 1974-6-4 2284 Los Angeles Tapia Park, off Malibu Canyon Rd. Comment
  POM254111  Penstemon heterophyllus var. australis Bonnie C. Templeton 1939-5-29 4585 Los Angeles Mint Canyon, at western end of San Gabriel Mountains. 840 Comment
  UCR253906  Penstemon heterophyllus var. australis Mitch Provance 2009-6-24 0609- 2 Los Angeles Western Transverse Range, about 5 miles SE of Pyramid Lake , c. 0.5 mi. SE of Whitaker Summit on Golden State Highway, adjacent to I-5 820 Comment
  POM156330  Penstemon labrosus L. R. Abrams 1902-6-30 2606 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  SD11886  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  CHSC3684  Penstemon spectabilis Mary MacArthur 1966-5-12 25 Los Angeles San Rafael Hills- Glendale College. 243 Comment
  RSA401798  Penstemon spectabilis Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA401898  Penstemon spectabilis Grethe Markedahl 1923-5-20 s.n. Los Angeles Los Angeles vicinity. Comment
  SDSU10971  Penstemon spectabilis Gerald Collier 1953-6-20 Los Angeles 1/4 mile E of Muscatel Ave, 1/8 mile S Klingerman St. Rio Hondo west side, San Gabriel. Comment
  SFV16161  Penstemon spectabilis var. subviscosus P. A. Krueger 1994-5-11 16 Los Angeles San Gabriel Mountains 0.7 miles on 2N24 from Highway 39. 650 Comment
  RSA0070824  Pentagramma triangularis Tim Ross, Steve Boyd 1993-5-23 7236 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca. 380 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  RSA0062905  Pentagramma triangularis Steve Boyd, Tim Ross, Laurel Arnseth 1990-4-8 4352 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  CATA497  Pentagramma triangularis subsp. triangularis Sara L. Crockett 1997-4-1 639 Los Angeles Santa Catalina Island: Offshoot canyon from Middle Canyon; 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road 315 Comment
  RSA681291  Pentagramma triangularis subsp. triangularis LeRoy Gross, Valerie Soza 2003-5-15 908 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. 518 Comment
  RSA0070743  Pentagramma viscosa Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4286 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side. Comment
  SEINET5767263  Peritoma arborea G. B. Grant 1903-1 615 Los Angeles Santa Catalina Island Comment
  SFV1552  Peritoma arborea C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Calabasas, 2 miles from Highway 101 on Topanga Canyon Road on side of road. 210 Comment
  CAS-BOT-BC73757  Peritoma arborea var. arborea E. M. Zeile 1924-6-20 s.n. Los Angeles Catalina Island, bank above road. Comment
  CAS-BOT-BC73737  Peritoma arborea var. globosa Carl B. Wolf 1927-7-27 689 Los Angeles Ridge Route Road, 3 mi. No of Sandberg's Comment
  CAS-BOT-BC355960  Perityle emoryi Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4268 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  SD72731  Persicaria lapathifolia F. R. Fosberg 1930-10-18 S 4106 Los Angeles Gardena, _ Slough [Laguna Dominguez] 39 Comment
  RSA762696  Phacelia R. G. Swinney 2008-7-24 9352 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA0098824  Phacelia brachyloba R. G. Swinney 2011-6-14 15142 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA589234  Phacelia brachyloba Tim S. Ross 1990-6-8 2914 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
  UCD120272  Phacelia brachyloba Henry J. Thompson 1960-5-14 3060 Los Angeles 1 mile east of Saddle Peak, Santa Monica Mountains. 731 Comment
  UCR51948  Phacelia brachyloba Steve Boyd, T. S. Elias 1987-4-14 2067 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  RSA75502  Phacelia brachyloba F. W. Peirson 1925-4-23 5793 Los Angeles forks of San Gabriel River, San Gabriel Mts. 534 Comment
  LA38553  Phacelia cicutaria var. hispida W. O. Griesel; 1934-5-1 4445 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA752576  Phacelia cicutaria var. hispida Justin M. Wood 2009-6-8 856 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UCR190285  Phacelia cicutaria var. hispida R. G. Swinney 1998-8-1 6622 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA160527  Phacelia cicutaria var. hispida J. D. Olmsted 1958-3-9 33 Los Angeles along hillsides of Johnson Cr. and Thompson Cr.; southwestward drainage along Thompson Cr. east of Webb School and 3/4 mi. NW of intersection of Indian Hill and Baseline NW Claremont. 457 Comment
  RSA427635  Phacelia cicutaria var. hispida Richard C. Barkelew 1929-4-7 15835 Los Angeles Mulholland Highlands Comment
  RSA433468  Phacelia cicutaria var. hispida Tim S. Ross 1991-4-21 4558 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridgetop on N side of Turnbull Canyon. 294 Comment
  SEINET3158087  Phacelia ciliata E. K. Balls, L. W. Lenz 1950-3-28 14473 Los Angeles 3 miles E of junction of Hwy 138 and road to Sandberg, Antelope Valley. 914 Comment
  UCR223911  Phacelia davidsonii R. G. Swinney 2009-6-24 11242 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR206134  Phacelia distans A. C. Sanders, T. B. Salvato 2009-5-29 37054 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR258841  Phacelia distans R. G. Swinney 2010-3-22 12037 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA3780  Phacelia distans L. R. Abrams 1901-03 1178 Los Angeles Tennel near San Fernando Valley. Comment
  CHSC98103  Phacelia grandiflora LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1039 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. 393 Comment
  RSA701280  Phacelia grandiflora LeRoy Gross 2003-5-4 818 Los Angeles South side of mountains: Along east side of Brand canyon in the upper reaches of this canyon. Narrow canyon with cascading waterfalls. 520 Comment
  SFV21415  Phacelia grandiflora L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1039 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon below the large waterfall where the canyon forks off, near above coordinates. At check dam (man-made waterfall). 393 Comment
  UC1069318  Phacelia grandiflora A. D. Gifford 1934-5-8 213 Los Angeles 3 mi w and 1 mi n Castro Pk.; Triunfo Pass Quadrangle Comment
  RSA134024  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-14 496 Los Angeles Near junction of road to upper Chilao recreation area along road to Horse Flat Public Camp 1829 Comment
  RSA601174  Phacelia imbricata subsp. imbricata Louis C. Wheeler 1967-6-26 9897 a Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  UC24411  Phacelia imbricata subsp. imbricata Harley P. Chandler 1897-5-4 Los Angeles Claremont 365 Comment
  UC284689  Phacelia imbricata subsp. patula I. Johnston 1917-7-1 1443 Los Angeles Browns Flat Comment
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Feb 8 2007
  RSA0011590  Phacelia longipes Orlando Mistretta, Christine Mistretta 2011-7-6 5922 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA607686  Phacelia longipes Scott D. White 1997-6-29 5398 Los Angeles Mt. Baldy Village Area: San Antonio Canyon below San Antonio Falls, and along trail/road access rt. 1921 Comment
  PASA1333  Phacelia minor Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA199028  Phacelia minor W. M. Gauntt 1966-4-30 160 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  RSA428066  Phacelia minor M. Bisbee 1917-4-15 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  UCSB42096  Phacelia minor Palys, Joe 1978-6-4 Los Angeles North side of Angeles Crest Highway, next to road; 17.2 mi. east of Mt. Gleason turnoff 1371 Comment
  RSA597  Phacelia parryi J. T. Howell 1928-6-29 1000 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  UCR136838  Phacelia ramosissima 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
  UCSC003636  Phacelia ramosissima Peter Kamb 1947-6-11 596 Los Angeles Eaton Wash, East of Pasadena. 267 Comment
  CHSC99447  Phacelia ramosissima var. latifolia LeRoy Gross; M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1061 Los Angeles Transverse Ranges: Verdugo Mountains region: South side of mountains; West side of Brand Canyon just a short distance above the cemetery. UTM Zone 11: 3783548N 0382545E. 307 Comment
  JEPS1298  Phacelia tanacetifolia W. L. Jepson 1935-4-17 17066 Los Angeles Portal Ridge Comment
  RSA0091365  Phacelia tanacetifolia R. G. Swinney 2011-4-1 14303 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC1069374  Phacelia viscida A. D. Gifford 1935-5-8 675 Los Angeles 4 mi ne Whitaker Peak; Angeles National Forest, Tejon Quadrangle Comment
  UC1872955 Image available Phacelia viscida John Knapp and Denise Knapp 2003-4-13 19 Los Angeles Catalina Island; 3687871.928N x 377624.177E Comment
  UCR91362  Phacelia viscida Scott D. White 1995-3-15 2567 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  UCR190604  Phalaris aquatica R. G. Swinney 2000-5-19 7687 Los Angeles San Gabriel Mtns., San Dimas, Johnstone Peak ridge, overlooking San Dimas Canyon at end of dirt road SE from the peak 768 Comment
  RSA251426  Phalaris lemmonii R. F. Thorne 1966-4-17 36090 Los Angeles San Clemente Island, small reservoir between Boulder & Horton, NE side of island. 488 Comment
  RSA158218  Phalaris minor P. H. Raven 1962-7-11 17993 Los Angeles In upper reaches of canyon north of Station Nanny, northeast of Lemon Tank, San Clemente Island Comment
  UC777916  Phalaris minor Frank W. Gould 1944-4-15 2292 Los Angeles near corner of Crenshaw and Rosecrans Comment
  SEINET6632134  Phalaris minor Robert F. Throne 1968-1 37507 Los Angeles Santa Barbara Island; 76 Comment
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Nov 23 2015
  RSA467446  Phleum pratense Anonymous s.n. Los Angeles Railroad [no additional locality data provided] Comment
  RSA469918  Phlox diffusa B. C. Templeton 1932-5-31 5056 Los Angeles Big Pines Park, San Gabriel Mountains 2092 Comment
  UCR149538  Phlox diffusa R. G. Swinney 1997-6-25 5632 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UC107246  Pholistoma auritum T. S. Brandegee May 1890 Los Angeles Santa Catalina Isl. Comment
  SDSU6892  Pholistoma auritum R. M Beauchamp 1967-3-18 293 Los Angeles Growing over debris at dump in canyon below Lemon Tank. San Clemente Island. Comment
  CATA3311  Pholistoma auritum var. auritum Amy Catalano, Jen Dreizehn 2017-3-23 029 Los Angeles Santa Catalina Island: Near drainage bottom of Swains Canyon, directly west of ""duck head"" in Toyon Rd, north facing slope 96 Comment
  LA46932  Pholistoma auritum var. auritum Carl Epling; 1931-4-18 sn Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA608936  Pholistoma auritum var. auritum Louis C. Wheeler 1931-5-8 s.n. Los Angeles San Gabriel Mountains: Burbank Canyon. Comment
  UCR168258  Pholistoma racemosum F. R. Fosberg 1931-3-23 S- 4333 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 60 Comment
  POM11488  Phoradendron pauciflorum Philip A. Munz 1921-6-18 4636 Los Angeles San Antonio Mountains, Swartout Valley. 1829 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
  UCSB278  Phyllospadix H. Wedberg 1957-11-21 63 Los Angeles collected on Point Dume Point Dume Comment
  POM118946  Phyllospadix scouleri Marcus E. Jones 1884-8-22 s.n. Los Angeles Santa Monica. Comment
  RSA187711  Phyllospadix torreyi Robert F. Thorne 1966-9-15 36686 Los Angeles Santa Catlina Island, attached to boulder over sandy bottom amid kelp in perhaps 5ft of water at low tide, near Balck Point, N side of W end of island. 2 Comment
  SFV21458  Pickeringia montana var. montana L. Gross 2001-5-28 411 Los Angeles Verdugo Mountains Northeast side of mountains. Start from dead end street (Mesa Lila Road) in Verdugo City. Along ridge between Henderson and Engleheard Canyons. 549 Comment
  RSA317209  Pinus monophylla Michael C. Long, J. E. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl County Park, Loop trail 1433 Comment
  RSA384422  Pinus muricata B. C. Templeton 1936-10-1 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  POM308084  Pinus ponderosa Henry J. Ramsey, Henry J. Ramsey 1940-10-13 2913 Los Angeles San Gabriel Mountains. Angeles Crest Hwy. 1524 Comment
  UCR1279  Pityrogramma triangularis F. C. Boutin 1960-5-4 s.n. Los Angeles San Gabriel Mtns., East side of the lake in San Dimas Canyon 457 Comment
  SBBG6328  Plagiobothrys arizonicus H. and M. Dearing 1935-4-13 Los Angeles Bouquet Cyn Comment
  UCR149971  Plagiobothrys arizonicus Scott D. White 2004-5-5 10306 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  IRVC26458  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-3-4 25693 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
  UCR126720  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 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
  UCR48866  Plagiobothrys nothofulvus Steve Morgan 1974-4-18 34 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy at Dry Canyon Road 290 Comment
  RSA187811  Plantago erecta Robert F. Thorne 1966-4-6 35906 Los Angeles Santa Catalina Island: small reservoir N of Catalina Airport. 436 Comment
  RSA199189  Plantago erecta Robert F. Thorne, D. Propst 1968-5-28 37651 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  POM277141  Plantago erecta E. S. Steele, H. S. Pratt 1935-3-3 s.n. Los Angeles Eagle Rock hills Comment
  UCR106364  Plantago indica Scott D. White, Noel Davis 1997-8-1 5438 Los Angeles Foothills of San Gabriel Mtns., Big Tujunga Wash, east San Fernando Valley, west of Sunland, SW of Interstate Hwy 210, east of Hansen Dam, and north of Wentworth Street. 335 Comment
  UCR216563  Plantago indica Dan S. Cooper 2010-6-15 610- 64 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 163 Comment
  UCR182238  Plantago major R. G. Swinney 1997-9-6 5872 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  SEINET3161578  Platanus racemosa G. B. Grant 1904-5-5 1007 /6169 Los Angeles Pasadena. Confined to California Comment
  CAS-BOT-BC91667  Platystemon californicus C. F. Baker 1909-5-15 5328 Los Angeles Claremont. Comment
  UCR255830  Platystemon californicus R. G. Swinney 2010-5-12 12745 Los Angeles San Gabriel Mountains, 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
  RSA751410  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -108 Los Angeles City of Malibu, ca. 0.2 mi E of La Piedra State Beach. 3 Comment
  UCR222655  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09- 113 Los Angeles South Coast, city of Malibu, c. 0.25 mi. west of La Piedra State Beach 12 Comment
  CAS-BOT-BC356128  Pluchea odorata Geo. B. Grant Oct 4 s.n. Los Angeles Los Angeles Comment
  RSA484175  Poa annua M. B. Dunkle 1933-4-14 3304 Los Angeles Long Beach. Comment
  RSA719750  Poa pratensis subsp. pratensis R. G. Swinney 1996-7-17 5149 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  CLARK-A1528-5591  Poa secunda John C. Roos, Lucille Roos 1951-5-27 5055 Los Angeles Antelope Valley 701 Comment
  POM1238  Poa secunda B. Sanford 1912-05 s.n. Los Angeles Claremont Comment
  UC2026469  Polycarpon depressum Louis C. Wheeler 1962-4-24 8049 Los Angeles FOOTHILLS OF SAN GABRIEL MOUNTAINS: Between Chantry Trail and La Vina Sanitarium, ridge south side of West Ravine. Comment
  UCR23663  Polycarpon tetraphyllum Alfred R. Roos 1958-5-2 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  RSA135188  Polycarpon tetraphyllum P. H. Raven 1960-5-16 15381 Los Angeles Santa Monica Mountains. Topanga Canyon, 0.6 miles north of Coast Highway. 122 Comment
  RSA183487  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles McCaskill Gardens, 25 S Michillinda Ave, Pasadena. Comment
  RSA268491  Polycarpon tetraphyllum Mildred E. Mathias 1965-7-20 s.n. Los Angeles Mildred E. Mathias residence. West Los Angeles. Comment
  RSA640278  Polycarpon tetraphyllum R. F. Thorne 1971-5-18 41367 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  UCD98429  Polycarpon tetraphyllum Robert F. Thorne 1974-6-3 44688 Los Angeles Claremont; at 1010 Northwestern Drive. 335 Comment
  LA99137  Polygala cornuta var. fishiae R. L. Armacost; 1968-5-7 2377 Los Angeles Comment
  RSA618990  Polygonum hydropiperoides LeRoy Gross 1998-10-16 88 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  RSA466347  Polygonum lapathifolium F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5499 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  RSA466405  Polygonum persicaria Robert Gustafson 1981-4-26 2226 Los Angeles Ballona Wetlands, Area 2. Infrequent along the Centinella Creek drainage ditch est of the Gas Co. installation. Comment
  RSA127445  Polygonum punctatum Peter H. Raven, Henry J. Thompson 1959-10-14 s.n. Los Angeles East end of Malibu Lake. 221 Comment
  RSA466381  Polygonum ramosissimum Louis C. Wheeler 1932-9-8 1356 Los Angeles 2 mi. NE La Verne. 366 Comment
  RSA689894  Polypodium californicum M. B. Dunkle 1929-1-26 2045 Los Angeles Santa Catalina Island. Fern Canyon H.S. [High School]. Comment
  UCSB62360  Polypodium californicum Kiefer, Lawrence 1967-1-28 Los Angeles San Gabriel Mtns., NW of Sunland, unnamed tributary of Little Tujunga Canyon (first canyon W of Indian Springs, ca. 0.25mi upstream) 670 Comment
  UCSB62754  Polypodium californicum Kiefer, Lawrence 1963-1-1 Los Angeles San Gabriel Mtns., Hwy 39 N of Azusa 457 Comment
  UCR187241  Polypogon interruptus A. C. Sanders 2006-5-16 32330 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  CAS-BOT-BC232416  Polypogon monspeliensis W. R. Dudley; F. H. Lamb 1896-6-12 4458 Los Angeles Mount Pinos Region. Tejon Pass, Castaic Lake Comment
  CATA133  Polypogon monspeliensis Peter Henrikson 1987-5-18 100 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  RSA618693  Polypogon monspeliensis LeRoy Gross 1998-9-20 76 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  UCR209927  Polypogon monspeliensis R. G. Swinney 2008-7-12 9168 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  LA10121  Polypogon monspeliensis Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR256863  Polypogon semiverticillatus R. G. Swinney 2010-8-16 13540 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  POM115838  Polypogon viridis Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  RSA693283  Polystichum imbricans subsp. curtum May N. Ackley 1928-6-29 110 Los Angeles Dark Canyon Oake Wilde. 701 Comment
  SEINET11714697  Polystichum munitum Unknown 1936-1 12591 Los Angeles Westwood, Los Angeles Comment
  POM307805  Populus balsamifera subsp. trichocarpa Henry J. Ramsey, Henry J. Ramsey 1938-1-22 2755 Los Angeles Eaton Canyon Park, Altadena. Comment
  UCR190497  Populus balsamifera subsp. trichocarpa T. B. Salvato 2007-6-5 3127 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
  UCR95735  Potamogeton pectinatus R. F. Thorne, Percy C. Everett 1965-5-11 34653 Los Angeles Santa Catalina Island, Small pond behind Cottonwood Dam in Cottonwood Canyon 46 Comment
  CAS-BOT-BC141843  Potentilla anserina LeRoy Abrams 1899-3-1 255 Los Angeles Mesmer Comment
  LA52101  Potentilla glandulosa subsp. glandulosa Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA600630  Potentilla gracilis var. fastigiata Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mountains: Big Pines; Headwaters of Mescal Creek. 2043 Comment
  CATA76  Primula clevelandii var. insularis Mark L. Hoefs 1973-3-13 58 Los Angeles Santa Catalina Island: Upper Avalon Canyon, by water tank above Wrigley Memorial, northeast exposure 220 Comment
  SDSU10331  Prosopis glandulosa var. torreyana J. Godsil 1952-5-28 223 Los Angeles Pomona College, Claremont. 366 Comment
  RSA453210  Prunus emarginata Bonnie C. Templeton 1933-5-15 5142 Los Angeles East Blue Ridge, Big Pines Park, San Gabriel Mountains. 2134 Comment
  OBI71111  Prunus fasciculata Larry Kelly, David J. Keil 1988-4-16 37 Los Angeles Little Rock campground Comment
  SEINET10450054  Prunus ilicifolia David B. Dunn 1971-8-11 Dunn 18099 Los Angeles Cultivated plants at 4911 pasadena ave. Terrace Comment
  RSA479511  Prunus ilicifolia subsp. ilicifolia Steve D. Boyd, Thomas S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  CAS-BOT-BC154560  Prunus ilicifolia subsp. lyonii Robert F. Thorne; P. C. Everett 1964-2-6 33302 Los Angeles In Cherry Cove. Santa Catalina Island 22 Comment
  CDA1020  Prunus ilicifolia subsp. lyonii D. G. Kelch 1991-3-17 1333 Los Angeles Santa Catalina Island; 2 km. N of Avalon. 0 Comment
  SBBG38908  Prunus ilicifolia subsp. lyonii M. Van Rensselaer 1937-7-1 Los Angeles Cherry Valley Comment
  SDSU9182  Prunus ilicifolia subsp. lyonii R. M. Beauchamp 1967-1-29 150 Los Angeles Growing on the north slope of a canyon west and below the Marine Artillary Spotters Outpost above the Pyramid Cove area. San Clemente Island Comment
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May 16 2008
  LA208154  Prunus ilicifolia subsp. lyonii Joseph Dunlavy; 1934-5-4 4488 Los Angeles SANTA CATALINA ISLAND, Santa Catalina Island. S side near isthmus. Comment
  RSA213411  Prunus lyonii M. B. Dunkle 1939-11-24 7343 Los Angeles San Clemente Island. Canyon head, Mosquito Summit. Comment
  UCR255501  Prunus lyonii Dan S. Cooper 2014-6-26 614- 71 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  RSA503441  Prunus persica var. persica Louis C. Wheeler 1967-4-8 9179 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  CAS-BOT-BC154780  Prunus virginiana var. demissa Le Roy Abrams; E. A. McGregor 1908-7-5 639 Los Angeles [Swartout] Swarthout Canyon, desert slopes of the San Gabriel Mountains 1981 Comment
  HSC47199  Pseudognaphalium biolettii Reid Moran 1941-2-19 595 Los Angeles Middle Ranch, San Clemente Island Comment
  RSA617701  Pseudognaphalium biolettii Scott D. White 1997-2-2 4461 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, S of San Dimas Ave, and E of the I-210 Freeway. 244 Comment
  SD107814  Pseudognaphalium biolettii Larry DeBuhr 1977-4-17 2583 Los Angeles Santa Catalina Island; ridge southeast of Shark Harbor. Comment
  UCR271553  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14164 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR68904  Pseudognaphalium biolettii Steve Boyd, T. Ross, L. Arnseth 1990-4-7 4201 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  RSA0030949  Pseudognaphalium californicum M. A. Savatgy 1966-5-16 s.n. Los Angeles Verdugo HIlls. 213 Comment
  SBBG98436  Pseudognaphalium luteoalbum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5265 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 312 Comment
  UCR256625  Pseudognaphalium microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC357627  Pseudognaphalium stramineum Geo. B. Grant 1904-3-31 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC80060  Pseudotsuga macrocarpa Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  SEINET5334803  Pseudotsuga macrocarpa W. D. Billings 1951-6-18 2102 Los Angeles Local in steep canyons and ravines, San Gabriel Range 91 Comment
  RSA92381  Psilocarphus brevissimus F. W. Peirson 1304 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA668167  Pteridium aquilinum var. pubescens Don Jillson 1961-2-5 s.n. Los Angeles Scholl Canyon, Glendale Comment
  POM2152  Pterostegia drymarioides I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon; Upper Sonoran Zone. 1280 Comment
  SD69669  Pterostegia drymarioides Robert F. Thorne, P. C. Everett 1965-6-22 34844 Los Angeles Santa Catalina Island, Renton Mine area 244 Comment
  UC12830  Purshia tridentata var. glandulosa Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA588157  Pycnanthemum californicum Orlando Mistretta 1994-5-23 1250 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15. 1220 Comment
  RSA783520  Pycnanthemum californicum J. D. Olmsted 1959-9-29 1038 Los Angeles Spring at Kerchoff Ranch just south of Baldy town in meadow above apple orchard. San Gabriel Mt. Range. 1311 Comment
  CAS-BOT-BC466056  Pyrola picta Le Roy Abrams; E. A. McGregor 1908-7-5 644 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  SEINET4853811  Quercus X grandidentata Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi above A. T. & S. F. tracks at mouth of Sawpit Canyon, (i.e. Monrovia C.); San Gabriel Mts. 229 Comment
  UCSB27959  Quercus X grandidentata Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill Rd. north of Pomona, California 274 Comment
  JEPS40263  Quercus X macdonaldii Mrs. Blanche Trask 1834-4-23 Los Angeles Catalina Island Comment
  RSA608637  Quercus agrifolia var. agrifolia Louis C. Wheeler 1931-3-23 s.n. Los Angeles La Verne. Comment
  RSA754139  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1825 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 402 Comment
  SBBG121303  Quercus agrifolia var. agrifolia R. Burgess, P. Munro 1998-1-25 2634 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  POM316437  Quercus berberidifolia G. R. Campbell 1947-1-16 98 Los Angeles Geneshia Hills, Pomona. 366 Comment
  RSA573418  Quercus berberidifolia Louis C. Wheeler 1932-4-1 540 Los Angeles 2 mile NE La Verne, Alt 1325ft 404 Comment
  UC1587584  Quercus berberidifolia Tim Ross 1991-9-2 5918 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass U.S.G.S. 7.5' Quad. 472 Comment
  UCR197182  Quercus berberidifolia Valerie Soza, LeRoy Gross 2001-5-9 1198 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  UCR55880  Quercus berberidifolia J. A. Adams 1965-4-24 138 Los Angeles San Gabriel Mtns., Ely Canyon. 762 Comment
  JEPS38051  Quercus chrysolepis Ernest Braunton 1928-8-5 A Los Angeles San Gabriel Canyon Comment
  JEPS46639  Quercus chrysolepis Ernest Braunton 1892-2 Los Angeles near Mt. Lowe 914 Comment
  RSA0091488  Quercus chrysolepis R. G. Swinney 2011-6-15 15166 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA188339  Quercus chrysolepis Robert F. Thorne, M. Z. Thorne 1966-5-31 36420 Los Angeles Santa Catalina Island. Ridge running from S end of Mt Orizaba, S side of S fork of Fern Canyon 488 Comment
  RSA476902  Quercus chrysolepis Albert J. Perkins 1922-10 s.n. Los Angeles near Colby's Ranch Comment
  RSA479374  Quercus chrysolepis Mark Hoefs 1974-9-25 565 Los Angeles West fork of Gallagher's Canyon 213 Comment
  UCR223520  Quercus chrysolepis R. G. Swinney 2009-6-24 11230 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCSB34090  Quercus chrysolepis Nixon, Kevin 1977-11-24 Los Angeles Pickens Canyon; 150 yds past end of flood control access road off of Canyonside rd, which is approximately 3mi n. of foothill rd off of Briggs rd; San Gabriel Mtns, La Crescenta 640 Comment
  CAS-BOT-BC86367  Quercus dumosa Mary H. Ward 1971-2-17 126 Los Angeles San Rafael Hills behind Linda Vista, southwestern Pasadena 304 Comment
  RSA172263  Quercus durata var. gabrielensis Robert F. Thorne, Henrickson 1963-5-5 32302 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA598817  Quercus durata var. gabrielensis R. G. Swinney 1967-8-14 202 Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon 457 Comment
  RSA678833  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross 2001-4-24 1172 Los Angeles Santa Anita 1999 Fire area, Santa Anita Canyon, west side of Santa Anita Canyon Road across from the Santa Anita Dam. 549 Comment
  RSA733153  Quercus durata var. gabrielensis Susan Grose, L. Braccio, L. Gross 2007-11-11 190 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  RSA747741  Quercus durata var. gabrielensis Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12689 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
  UC1870275  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, E off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCR108668  Quercus engelmannii L. C. Wheeler 1936-1-19 4070 Los Angeles San Gabriel Mtns., Monrovia: edge of mountains, just above Pottinger Sanitarium. 305 Comment
  UCSB34851  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge; West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  UCSB60801  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 5 mi. S of Caswell Comment
  CLARK-A1528-1146  Quercus lobata John C. Roos 1946-11-23 3157 Los Angeles Placerita Canyon 365 Comment
  UCR191684  Quercus lobata A. C. Sanders 2008-4-18 34957 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 977 Comment
  SEINET10432066  Quercus macdonaldii I. W. Clokey 1930-9-11 5327 Los Angeles 1635 Laurel Street, South Pasadena. Comment
  JEPS37336  Quercus pacifica Mrs. Trask 1909-3-27 Los Angeles Catalina Island Comment
  RSA476559  Quercus pacifica F. R. Fosberg 1931-3-25 s 4358 Los Angeles Santa Catalina Island, Hamilton Canyon 80 Comment
  UC847943  Quercus pacifica F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  UCD62485  Quercus pacifica Mrs. Blanch Trark 1909-4-23 Los Angeles Bell Mt. Spring, Catalina Island. Comment
  SBBG42322  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles lower part of grove, E of Pk 1942 in middle of E side of island Comment
  SBBG47499  Quercus tomentella M. B. Dunkle 1939-11-25 8679 Los Angeles NE rim Comment
  CAS-BOT-BC104871  Quercus wislizeni Ernest C. Twisselmann 1956-9-14 3167 Los Angeles San Emigdio Range. Upper end of Castaic Valley 1188 Comment
  UC1135887  Quercus wislizeni A. D. Gifford 1935-3-26 289 Los Angeles 2.25 mi wnw Sawmill Peak; Angeles National Forest, Tejon Quad. 1432 Comment
  UC1871277  Quercus wislizeni var. frutescens T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3855 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  CAS-BOT-BC362468  Rafinesquia californica L. R. Abrams 1901-6-4 1702 Los Angeles Las Tunas Canon [Canyon], S. Monica Mts Comment
  RSA632432  Rafinesquia californica Valerie L. Soza, Kent Hughes 1999-7-1 607 a Los Angeles San Gabriel Mountains: Van Tassel Ridge, off Van Tassel Ridge road, vicinity of Mt. Bliss. 1036 Comment
  SBBG131490  Rafinesquia californica S. A. Junak 1996-4-15 SCI 347 Los Angeles ca. 0.70 mi inland from mouth of Horse Beach Cyn 106 Comment
  UCR273588  Rafinesquia californica R. G. Swinney 2011-4-26 14487 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA399386  Ranunculus californicus Ducelia Sabb 1937-6-27 19693 Los Angeles Near Los Angeles Comment
  VVC3079  Ranunculus testiculatus Tim Thomas, P. J. MacKay 2015-5-10 6622 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  UC66740  Raphanus sativus N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  RSA0110778  Raphanus sativus Steven A. Junak 2000-5-18 SCa- 1301 Los Angeles Santa Catalina Island. N side of N Shore Road, 0.6 mi E of turn-off for Howland's Landing. 39 Comment
  UC1929919  Rhamnus californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 360 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Claremont. ~ 0.6mi W of Mt. Baldy Rd. in Evey Canyon. Comment
  POM307841  Rhamnus californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1938-6-11 2733 Los Angeles Eaton Canyon Park. Comment
  RSA0112524  Rhamnus californica subsp. californica Richard G. Swinney 2011-10-13 15786 Los Angeles San Gabriel Mountains: Chilao Flat, jct. of Chilao flat rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  UC80207  Rhamnus californica subsp. californica C. F. Baker 1903-7-20 3443 Los Angeles Claremont Comment
  RSA17157  Rhamnus crocea Percy C. Everett 1935-6-25 s.n. Los Angeles San Fernando Valley, Foothill Blvd. 0.7 mi. West of Van Nuys Blvd. 274 Comment
  CAS-BOT-BC56014  Rhamnus ilicifolia C. F. B. 1903-8-2 3653 Los Angeles San Antonio Canyon near Claremont Comment
  JEPS42041  Rhamnus ilicifolia C. E. Hutchinson 1892-8-10 Los Angeles near Altadena 243 Comment
  RSA390836  Rhamnus ilicifolia Sam Tyson 1943-4-2 ** Los Angeles Big Dalton Canyon 366 Comment
  RSA596142  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1995-6-28 8645 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  SBBG27507  Rhamnus ilicifolia C. B. Wolf 1928-5-11 Los Angeles just above the place where the Los Angeles Aqueduct crosses the hwy Comment
  UCD112341  Rhamnus ilicifolia A. C. Sanders; D. Malueg 1998-6-22 22050 Los Angeles San Gabriel Mountains. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCR272352  Rhamnus ilicifolia R. G. Swinney 2011-3-15 14095 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  UCSB11512  Rhamnus ilicifolia Haines, Bruce 1962-3-11 Los Angeles 5 miles north of Pacific Ocean on California Highway 27; Topanga 259 Comment
  CAS-BOT-BC59784  Rhamnus pirifolia Robert F. Thorne; P. C. Everett 1964-2-6 33291 Los Angeles Santa Catalina Island. Above Fourth of July Cove. 30 Comment
  CAS-BOT-BC59794  Rhamnus pirifolia June Giddings 1884-8-1 s.n. Los Angeles Santa Catalina Island - summit. Comment
  LA207841  Rhamnus pirifolia C. B. Wolf; 1932-5-10 3502 Los Angeles Santa Catalina Island, Avalon Canyon, above the last almond orchard 121 Comment
  RSA177839  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-5-10 34474 Los Angeles Santa Catalina Island, near Echo Lake 427 Comment
  RSA390142  Rhamnus tomentella subsp. cuspidata M. B. Dunkle 1933-6-17 3591 Los Angeles San Antonio River Canyon. 915 Comment
  UCR125158  Rhus aromatica A. C. Sanders, Mark Elvin 2002-6-18 25121 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
  CATA1006  Rhus integrifolia Mark L. Hoefs 1994-7-18 1888 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  POM8499  Rhus integrifolia P. A. Munz, R. D. Harwood 1920-5-15 3948 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA133850  Rhus integrifolia P. H. Raven 1959-3-8 13833 Los Angeles Topanga Canyon, 1.1 mile north of Coast Highway 49 Comment
  SBBG128119  Rhus integrifolia M. L. Hoefs, R. Given 1992-5-16 1792 Los Angeles Wild Boar Gully 152 Comment
  UCD116870  Rhus integrifolia A. C. Sanders; Lee Jones 2005-4-8 29356 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR209048  Rhus integrifolia Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  UCR51775  Rhus integrifolia G. R. Proctor 1944-1 767 Los Angeles Sand Dunes at El Segundo Comment
  CHSC3674  Rhus ovata Mary MacArthur 1966-5-26 35 Los Angeles Switzer's camp- Saw Gab Mts. Comment
  UCR189937  Rhus ovata T. B. Salvato, Sandra Murcia 2007-10-18 3087 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  UCR260022  Rhus ovata R. G. Swinney 2010-3-30 12103 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  LA94285  Rhus ovata Robert G. Engman; sn Los Angeles Comment
  RSA588058  Rhus trilobata Orlando Mistretta 1994-4-15 1039 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1036 Comment
  RSA593460  Rhus trilobata var. quinata Steve Boyd, Michael Wall 1996-5-16 8792 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  SBBG126143  Ribes aureum var. gracillimum A. C. Sanders with T. B. Salvato 2009-5-21 36899 Los Angeles Whittier Narrows near S El Monte, N of San Gabriel River channel and SE of Durfee Ave, W half of Whittier Narrows Nature Center 66 Comment
  SFV6204  Ribes californicum R. M. Muran 1974-2-12 16 Los Angeles Santa Monica Mountains Mandeville Canyon area, 3.5 miles south of Mulholland Drive. 427 Comment
  CAS-BOT-BC93087  Ribes californicum var. hesperium A. J. McClatchie 1893-6-2 128 Los Angeles Near Pasadena. Comment
  CAS-BOT-BC93097  Ribes californicum var. hesperium C. F. Baker 1903-2-17 4063 Los Angeles San Antonio Canyon near Claremont. Comment
  PASA2247  Ribes cereum Frank W. Peirson 1919-6-4 Los Angeles Icehouse Canyon Divide, San Gabriel Mts. 2407 Comment
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Jun 24 2016
  CAS-BOT-BC108873  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  UC921815  Ribes indecorum Prof. Baker Los Angeles Claremont Comment
  CAS-BOT-BC173398  Ribes malvaceum John H. Thomas 1956-11-8 6474 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  RSA0021649  Ribes malvaceum B. Campbell 1932-3-19 s.n. Los Angeles Los Alisos Canyon. Comment
  UCSB2635  Ribes malvaceum var. malvaceum Wedberg, H. 1957-2-17 Los Angeles West of Saddle Peak; Santa Monica Mtns Comment
  RSA127960  Ribes malvaceum var. viridifolium Peter H. Raven 1959-3-1 13823 Los Angeles Griffith Park, Mt Hollywood Drive, 0.8 miles south of Vista Del Valle Drive. 396 Comment
  UC921823  Ribes malvaceum var. viridifolium Ira W. Clokey, B. Templeton May 1929 4493 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  RSA0021936  Ribes montigenum Robert F. Thorne, Larry E. DeBuhr 1974-7-28 44767 Los Angeles San Gabriel Mts, Angeles National Forest: Whitethorn Spring, Dorr Canyon Drainage, N slope Throop Peak. 2317 Comment
  NY833421  Ribes nevadense S. Boyd 2004-5-18 11306 Los Angeles Trnasverse Ranges: Liebre Mountains region: Atmore Meadows area Comment
  LA205545  Ribes quercetorum Harvey Anderson; 1932-3-14 sn Los Angeles Pescada Canyon, Tejon Ranch Comment
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Sep 10 2015
  UCR192191  Ribes quercetorum A. C. Sanders 2008-4-11 34842 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 995 Comment
  RSA84970  Ribes speciosum F. W. Peirson 1927-3-19 7112 Los Angeles Seminole Hot Springs. Santa Monica Mts. Comment
  SD37417  Ribes speciosum J. McCulloch 1931-3-1 Los Angeles El Segundo Comment
  UCR124366  Ribes speciosum I. W. Clokey, B. C. Templeton 1929-1 4471 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR197176  Ribes speciosum Valerie Soza, LeRoy Gross 2001-5-9 1207 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 297 Comment
  SEINET3151847  Ribes viburnifolium B. Frank sn Los Angeles Santa Catalina Island Comment
  SBBG126875  Rorippa curvisiliqua A. Parikh, N. Gale 2011-5-20 3392 Los Angeles San Gabriel River, 0.2 km N of I-10, 0.2 km W of I-605 90 Comment
  SFV12548  Rorippa curvisiliqua M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 862 Los Angeles San Fernando Valley Big Tujunga Wash,, on mud flats just behind Hansen Dam. 305 Comment
  RSA603898  Rorippa curvisiliqua L. C. Wheeler 1975-5-13 s.n. Los Angeles Rio Hondo: ca. 1/4 mile N of San Gabriel Blvd. Comment
  CATA115  Rosa californica Peter Henrikson 1987-5-8 86 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  UC150056  Rosa californica LeRoy Abrams 1902-6-15 2539 Los Angeles Sepulveda Canyon Santa Monica Mts. Comment
  RSA650872  Rubus discolor K. M. Kosak 1961-5-8 428 Los Angeles San Dimas Comment
  RSA729577  Rubus discolor R. G. Swinney, D. W. Larson 1999-5-15 7177 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA0013593  Rubus ursinus Orlando Mistretta, Christine Mistretta 2011-6-30 5781 Los Angeles North Fork Mill Creek; along Forest Road 3N27. 1200 Comment
  RSA720188  Rubus ursinus LeRoy Gross 2007-3-13 2606 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  CATA1505  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak 1996-7-9 2718 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  CATA1548  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Misty Gay 1997-6-6 2788 Los Angeles Santa Catalina Island: Upper Buffalo Springs reservoir 435 Comment
  RSA600373  Rumex conglomeratus Steve Boyd, Lauren Raz 1997-5-28 9865 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
  UC1922008  Rumex conglomeratus Scott D. White, A. Warniment 2006-7-7 11610 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek NE of the I-5 Freeway. Comment
  RSA0106881  Rumex conglomeratus Steven A. Junak, Mark Hoefs, Misty Gay, Jeff Chapman 1997-6-5 SCa- 428 Los Angeles Santa Catalina Island. Deer Valley Reservoir (also called Summit Reservoir), ca. 1.5 road miles E of Isthmus on S side of main road. 155 Comment
  RSA466057  Rumex conglomeratus Louis C. Wheeler 1932-6-14 826 Los Angeles Pomona. 244 Comment
  LA33888  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  LA38811  Rumex fueginus Peter H. Raven; Henry J. Thompson 1959-10-4 14579 Los Angeles 9 Comment
  RSA65465  Rumex maritimus Louis C. Wheeler 1932-9-19 1394 Los Angeles Los Angeles R. [River] at Los Feliz Blvd. 122 Comment
  CATA1974  Rumex salicifolius F. R. Fosberg 1931-4-29 4708 Los Angeles Santa Catalina Island: Cottonwood Canyon mouth 3 Comment
  LA33887  Rumex salicifolius Peter H. Raven; Henry J. Thompson 1959-6-4 14340 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, along ditch behind dunes. 12 Comment
  CAS-BOT-BC433921  Rumex salicifolius Peter H. Raven 1962-5-20 17791 Los Angeles Santa Catalina Island, Middle Canyon about 1 mile above the Ranch. Comment
  CATA565  Ruppia maritima Mark L. Hoefs, Robert F. Thorne 1975-8-7 830 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  RSA401585B  Salazaria mexicana T. W. Minthorn 1925-5-30 13795 Los Angeles Near Palmdale. Comment
  UCR177462  Salazaria mexicana LeRoy Gross 2005-5-3 2222 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
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May 3 2013
  SD252379  Salix Steven A. Junak 1999-5-20 Sca 928 Los Angeles Santa Catalina Island: Cottonwood Canyon, at reservoir; moist flats. 134 Comment
  POM228979  Salix exigua Louis C. Wheeler 1932-9-12 1373 Los Angeles San Antonio Canyon, San Gabriel Mts. 1220 Comment
  RSA0062558  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  RSA589345  Salix exigua Orlando Mistretta 1994-3-30 951 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  RSA646293  Salix exigua Orlando Mistretta 1992-7-14 s.n. Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  SEINET10381205  Salix exigua G. B. Grant 1904-1 1156 Los Angeles Los Angeles. Comment
  UC1375325  Salix laevigata Robert F. Thorne and C. W. Tilforth 1971-6-17 39946 Los Angeles 2 mi up Lower Tujunga Rd. from Forestry Headquarters; San Gabriel Mts., Angeles Nat'l Forest, Little Tujunga Creek 457 Comment
  UC482207  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, west of Ocean Beach Santa Monica Mountains 15 Comment
  UC506438  Salix laevigata Carl Hedin and Joseph Ewan 1932-5-10 7649 Los Angeles at Colina Dr. Verdugo Canyon Comment
  UC506472  Salix laevigata Carl Hedin and Joseph Ewan 1932-4-22 7622 Los Angeles at Radford Dr. Los Angeles R.; San Fernando Valley, Los Angeles R. Comment
  RSA9751  Salix lasiandra var. lasiandra Louis C. Wheeler 1932-3-10 460 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  POM362707  Salix lasiolepis M. B. Dunkle 1929-2-10 2047 Los Angeles Santa Catalina Island. Coach Road Spring. Comment
  POM362742  Salix lasiolepis Robert Gustafson 1973-5-17 s.n. Los Angeles 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway 1585 Comment
  RSA133775  Salix lasiolepis Peter H. Raven 1959-2-15 13793 Los Angeles Franklin Canyon 2.3 miles south of Mulholland Drive. 290 Comment
  RSA664167  Salix lasiolepis Marcus E. Jones 1926-2-26 s.n. Los Angeles Mountains near Claremont. Comment
  UC482086  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura (Picture City) Santa Monica Mountains Comment
  UC506444  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-4-30 7696 Los Angeles s. of Culver City (above Ballona Creek) Comment
  UCR11996  Salix lasiolepis H. J. Thompson 1960-3-13 3015 Los Angeles Western Transverse Range; Santa Monica Mtns., Tuna Canyon, 16 [1.6?] miles north of Coast highway 76 Comment
  CDA43455  Salix lasiolepis Michael O Brien 2015-8-2 s.n. Los Angeles La Piedra State Beach. 0 Comment
  CAS-BOT-BC107553  Salix lasiolepis var. lasiolepis James Henrickson 1963-4-30 1237 Los Angeles Evey Canyon, northeast of Claremont, along road to Mt. Baldy, 50 yards from hy. 762 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
  RSA5972  Salsola tragus C. B. Wolf 1932-9-13 4045 Los Angeles Edge of field on Palo Verde Ave., 200 ft. no. of so. boundary of Bryant Ranch., (200 ft. no. of SW corner of SE 1/4 sect. 26.) 5 Comment
  POM175353  Saltugilia splendens subsp. grantii E. Crow 1930-6-29 s.n. Los Angeles Trail near Crystal Lake. Comment
  POM3452  Saltugilia splendens subsp. grantii C. F. Baker 1904-05 4712 Los Angeles Hills near Claremont Comment
  UCR276881  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 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
  UC1595363  Saltugilia splendens subsp. splendens Tim Ross and Steve Boyd 1990-6-18 3455 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mtns., Mescal Creek Quad., Camp Verdugo Pines 1877 Comment
  RSA411306  Salvia apiana G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA596265  Salvia apiana R. G. Swinney 1969-6-12 557 Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. Approximately 1/2 mile N of Sierra Madre Ave, on N. Pennsylvania Ave. 335 Comment
  RSA660801  Salvia apiana LeRoy Gross, Valerie Soza 2001-5-31 390 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  SFV3202  Salvia apiana J. C. Crawford 1958-5-4 s. n. Los Angeles San Gabriel Mountains Bouquet Canyon. 460 Comment
  RSA442848  Salvia apiana William Emboden 1969-5-28 38 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  LA91421  Salvia columbariae Bruce Douglas Clayton; Greg Shaw 1972-3-20 22 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, east of entrance to canyon A 585 Comment
  RSA0069767  Salvia columbariae LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6985 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  UC366983  Salvia columbariae J. G. Lemmon and wife May 1881 Los Angeles Los Angeles Comment
  RSA802290  Salvia columbariae Seacord s.n. Los Angeles West Mojave. Comment
  UCR220161  Salvia dorrii R. G. Swinney 2009-4-2 10265 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
  UCR269999  Salvia dorrii R. G. Swinney 2010-5-19 12788 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
  SBBG20203  Salvia dorrii var. dorrii M. A. Piehl 1963-5-18 63307 Los Angeles foothills just N of Godde Pass 914 Comment
  UC1124691  Salvia dorrii var. pilosa A. D. Gifford 1935-4-11 550 Los Angeles 3 mi sse Manzana; Tejon Quad. 944 Comment
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Aug 26 2008
  CHSC26067  Salvia leucophylla Richard S. Hood 1971-4-9 332 Los Angeles 4 miles North of Topanga Post Office on Topanga Cyn Blvd. in Santa Monica Mtns. 365 Comment
  UCR143466  Salvia leucophylla L. C. Wheeler 1967-4-30 9212 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  POM9157  Salvia leucophylla P. A. Munz 1921-2-26 4683 Los Angeles South Hills (San Jose Hills) 5 miles east of Brea Canyon. 305 Comment
  CAS-BOT-BC229992  Salvia mellifera Grant 1897-9-30 s.n. Los Angeles Pasa [Pasadena] Comment
  LA99221  Salvia mellifera R. L. Armacost; 1960-6-9 Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  PASA487  Salvia mellifera Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM13943B  Salvia mellifera P. A. Munz 1922-4-15 5146 Los Angeles Claremont: wash, east of town, 1/2 mi from Columbia Ave 381 Comment
  RSA434121  Salvia mellifera E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  UC284704  Salvia mellifera Crawford and Hiatt Los Angeles Santa Monica Mts. 304 Comment
  UCD125586  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 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
  UCR274112  Salvia mellifera Steven A. Junak 1998-6-13 SCa- 746 Los Angeles California Islands, Santa Catalina Island, west side of Avalon Canyon drainage, along north rim of Quail Canyhon, just west of Los Angeles Counthy Fire Station 79 Comment
  HSC14371  Salvia spathacea C. S. Apperson 1967-6-24 Los Angeles 0.5 mi. up Stunt Canyon Rd. off Mullholland Dr., Santa Monica Mtns. Comment
  UCD125623  Salvia spathacea Kenneth A. Wilson 1961-3-10 962 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile W of Topanga Canyon Road. Comment
  CLARK-A1703-88  Sambucus mexicana Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  UCR117109  Sambucus mexicana A. C. Sanders, D. Malueg 2001-5-17 24327 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  CAS-BOT-BC238731  Sambucus nigra subsp. caerulea P. A. Munz; R. D. Harwood 1920-5-17 3970 Los Angeles Topango Canon [Topanga Canyon], Santa Monica Mts 152 Comment
  UC454482  Sanicula arguta I. J. Condit 1911-3-21 Los Angeles Santa Catalina Island Comment
  RSA596922  Sanicula crassicaulis Scott D. White, Chet McGaugh 1995-5-9 3020 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property;, site proposed for landfill expansion. 457 Comment
  UCR274106  Sanicula crassicaulis Steven A. Junak 1999-4-22 SCa- 844 Los Angeles California Islands, Santa Catalina Island. Cape Canyon, just downstream from pumphouse along east fork of Cape Canyon Road, just upstream from fork in road 305 Comment
  LA82387  Sanicula tuberosa O. H. Kappler; 1944-3-26 554 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  LA82388  Sanicula tuberosa O. H. Kappler; 1944-3-26 555 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC420475  Sanicula tuberosa G. B. Grant 1906-6-10 6665 Los Angeles Mount Lowe Comment
  RSA0051740  Sarcodes sanguinea Mike Thornburg 1977-6-1 s.n. Los Angeles Charlton Flats Highway 2, Angeles National Forest. Comment
  UCR140427  Saxifraga californica June Latting 1958-3-30 234 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  CAS-BOT-BC283090  Schedonorus arundinaceus Peter H. Raven 1959-5-3 14068 Los Angeles Mulholland Drive 0.5 miles east of Beverly Glen Boulevard, Santa Monica Mountains 381 Comment
  RSA0084867  Schismus barbatus R. G. Swinney 2010-6-21 13271 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA595995  Schismus barbatus L. C. Wheeler 1967-5-8 9355 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA660425  Schismus barbatus Orlando Mistretta 1992-5-18 325 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA675872  Schismus barbatus LeRoy Gross 2003-3-7 776 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
  CAS-BOT-BC111228  Schoenoplectus californicus Alice Eastwood 1906-5-27 179 Los Angeles San Pedro Comment
  SEINET7591467 Image available Schoenoplectus californicus Scott D. White 1995-1 3776 Los Angeles Marina del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  POM1386  Schoenoplectus californicus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  IRVC28715  Scirpus microcarpus A. C. Sanders, Mark A. Elvin 2002-8-26 25586 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
  UCR220202  Scrophularia californica R. G. Swinney 2009-4-3 10275 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  SEINET13710997  Scrophularia californica J. Adams, J. Adams (Botany) 1965-1 154 Los Angeles Ely Canyon 2500 Ft 762 Comment
  SFV3446  Scrophularia californica C. Gasser 1956-3-29 s. n. Los Angeles San Gabriel Mountains Gorman. Comment
  LA99458  Scrophularia californica subsp. californica Hisao P. Arai; 1957-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA233362  Scrophularia californica subsp. floribunda Arthur C. Gibson, Linda Gibson 1971-3-18 2795 Los Angeles Fish Canyon, below the waterfall, San Gabriel Mountains. Comment
  CATA1060  Scrophularia villosa Mark L. Hoefs 1995-5-10 1993 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  RSA445369  Scutellaria tuberosa Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA445378  Scutellaria tuberosa George B. Grant 1901-02 3393 Los Angeles Pasadena. Comment
  LA200011  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-16 1797 Los Angeles SANTA MONICA MOUNTAINS, Garapito Creek, ca 1 mi E of Topanga Canyon Rd. 396 Comment
  JEPS15070  Senecio flaccidus var. douglasii F. Grinnell Jr. 1917-6-30 Los Angeles Altadena 457 Comment
  SBBG106917  Senecio lyonii M. L. Hoefs, R. F. Thorne 1996-4-6 2641 Los Angeles Renton Mine Rd 243 Comment
  UC1714439  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles Prairie Fork San Antonio Mountains (in marsh) 2133 Comment
  UCR182381  Senecio triangularis R. G. Swinney 1997-7-22 5706 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
  SD253396  Senecio vulgaris R. G. Swinney 2011-3-26 14207 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 Canyon (Glendora 7.5'Q) 476 Comment
  SEINET4044584 Image available Senecio vulgaris D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 121 Comment
  UCR97801  Senecio vulgaris Scott D. White 1997-3-12 4758 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA473105  Senecio vulgaris Elbert Benjamine 1929-3-17 107 Los Angeles Vacant lot, Burbank Comment
  RSA659125  Senecio vulgaris LeRoy Gross 2001-3-31 366 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 396 Comment
  RSA794414  Senecio vulgaris Nancy Hamlett 2013-2-12 s.n. Los Angeles Foothill Blvd. Parkway, outside Bernard Field Station, about 60 feet west of Mills Ave. Claremont 366 Comment
  CDA27819  Senna artemisioides T. C. Fuller, T. Suzuki 1959-3-19 2092 Los Angeles Northwest corner of Foothill Boulevard & Hillard Avenue, La Canada. 0 Comment
  UCD92610  Setaria parviflora Daryl Koutnik 1978-4-21 s.n. Los Angeles Gas Station on Sixth Street near Hoover Street. 121 Comment
  UCR108454  Setaria parviflora L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mtns., Mouth of Roberts Canyon, San Gabriel Canyon, on W side of Roberts Canyon. 252 Comment
  UCR131595  Sherardia arvensis L. C. Wheeler 1933-5-15 1914 Los Angeles San Gabriel Valley, San Gabriel, 217 South Muscatel Ave. 107 Comment
  RSA595867  Sidalcea malviflora subsp. sparsifolia Tim S. Ross, Victor W. Steinmann 1995-5-8 8535 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  SEINET6073771  Sidotheca trilobata Unknown 1948-6-13 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA710754  Silene antirrhina Valerie Soza, Bill Hogshead 2003-4-23 1635 Los Angeles Brand Park, Brand Canyon. 381 Comment
  SBBG88373  Silene gallica M. B. Dunkle 1939-4-4 7259 Los Angeles Chenetti Cyn Comment
  OBI69245  Silene gallica John Knapp, Denise Knapp 2003-4-13 23 Los Angeles Catalina Island, 3687240.40N x 376948.702E 131 Comment
  RSA12409  Silene gallica C. B. Wolf 1934-4-11 5622 Los Angeles Bryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets. 15 Comment
  RSA650326  Silene gallica Harold Lint, D. B. Dunn 1948-3-10 308 Los Angeles Bonita & Irwindale, Irwindale, Comment
  UC8494  Silene verecunda subsp. platyota J. H. Barber 1897-7-11 257 Los Angeles Summit Mt. Gleason summit Mt. Gleason (Southern California) Comment
  RSA604055  Sinapis arvensis L. C. Wheeler 1933-5-18 1741 Los Angeles San Gabriel. 107 Comment
  CAS-BOT-BC75410  Sisymbrium orientale Robert F. Thorne; M. Z. Thorne 1967-6-25 37122 Los Angeles San Gabriel Mountains. Roadside. Evey Canyon. 716 Comment
  UCR95168  Sisymbrium orientale L. C. Wheeler 1967-4-30 9250 Los Angeles San Gabriel Mtns., Foothills c. 0.1 mi SE of mouth of Pacoima Canyon 473 Comment
  SD90125  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach Comment
  HSC13919  Sisyrinchium bellum David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  RSA612174  Sisyrinchium bellum Valerie L. Soza, M. E. Siqueiros D. 1997-3-19 21 Los Angeles Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. 412 Comment
  UCR108185  Sisyrinchium bellum Steve Boyd, Valerie Soza 1998-4-28 10161 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  RSA649812  Sisyrinchium bellum Matt Brooks 1988-5-7 34 Los Angeles Whittier, Dark Canyon 1.7 miles east of its confluence with Sycamore Canyon. Comment
  RSA756987  Solanum americanum A. C. Sanders 2009-11-6 37209 Los Angeles Madrona Marsh, Torrance 24 Comment
  UC126818  Solanum americanum J. and H. W. Grinnell 1906-9-15 Los Angeles near Pasadena Comment
  UCR117125  Solanum douglasii A. C. Sanders, D. Malueg 2001-5-17 24340 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCR92059  Solanum douglasii Scott D. White 1995-2-7 2516 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  RSA584488  Solanum douglasii Tim S. Ross 1992-5-24 6423 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 537 Comment
  SDSU11164  Solanum douglasii R. M. Beauchamp 1967-6-3 549 Los Angeles San Clemente Island Growing under boulders on east side of island, southeast of Lemon Tank. 488 Comment
  NY759856  Solanum nigrum T. G. Yuncker 1931-6-21 3998 Los Angeles Azusa Comment
  SEINET10884655 Image available Solanum tuberosum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2591 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  RSA594750  Solanum umbelliferum Tim S. Ross 1995-4-7 8370 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
  RSA78648  Solanum umbelliferum F. W. Peirson 1943-5-15 13550 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  UCR273429  Solanum umbelliferum R. G. Swinney 2011-6-22 15261 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA427429  Solanum umbelliferum H. L. Bauer 1932-4-1 15383 Los Angeles Along road to Saddle Peak. Comment
  RSA427381  Solanum wallacei J. A. Powell 1928-4-2 s.n. Los Angeles NW of Avalon, Santa Catalina Island. Comment
  RSA427405  Solanum xanti var. intermedium Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR4116  Solanum xanti var. intermedium Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  UCR209261  Solidago californica R. G. Swinney 2008-10-7 9475 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  POM4689  Solidago confinis C. F. Baker 1903-9-20 s.n. Los Angeles San Antonio Canyon near Claremont. Comment
  UCR261757  Solidago spectabilis R. G. Swinney 2010-9-13 13845 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  RSA800512  Solidago velutina subsp. californica Jane Tirrell 2012-8-20 LS 0156 Los Angeles Approx. 100 meters south of California State Route 2 near Big Rock Creek drainage about 1.5 miles west of Dawson Saddle. 2346 Comment
  SEINET13276800 Image available Solidago velutina subsp. californica R. G. Swinney 2011-1 15885 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UCR273302  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA0021712  Sonchus asper Duncan S. Bell, Caitlin Elam 2013-6-24 5262 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA474073  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles San Clemente Island, southeast point. Comment
  UCD136142  Sonchus asper subsp. asper Robert F. Thorne; P. C. Everett 1964-2-7 33456 Los Angeles Lower end of Pebbly Beach Canyon near road, E end of Santa Catalina Island. 76 Comment
  UC1348970  Sonchus oleraceus Robert F. Thorne 1966-4-7 35960 Los Angeles Santa Catalina Island 60 Comment
  UCD136185  Sonchus oleraceus James Henrickson 1963-4-30 1232 Los Angeles Evey Canyon, northeast of Claremont, along road to Mt. Baldy. 792 Comment
  RSA187658  Sorghum bicolor R. F. Thorne 1966-9-15 36696 Los Angeles Santa Catalina Island, Volunteering along roadside near Bird Park, Avalon 15 Comment
  RSA607596  Sorghum halepense L. C. Wheeler 1966-10-25 9071 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCSB12225  Sorghum halepense Hochberg, Fred 1961-3-17 Los Angeles North side of the Milk Barn, Middle Ranch, Middle Canyon, Catalina Island Comment
  LA34249  Spartium junceum Peter H. Raven; 1959-5-3 14094 Los Angeles Santa Monica Mountains, 0.3 mi E of Laurel Pass on Woodrow Wilson Dr 350 Comment
  LA33481  Spergula arvensis Peter H. Raven; 1959-4-4 13969 Los Angeles Santa Monica Mountains, Pt. Dume, just behind point 15 Comment
  RSA477986  Spergula arvensis E. S. Spalding 1923-4-7 s.n. Los Angeles Claremont Comment
  RSA576940  Spergula arvensis L. C. Wheeler 1932-3-12 487 Los Angeles La Verne. 305 Comment
  CATA1287  Spergularia bocconi Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-13 2376 Los Angeles Santa Catalina Island: Boushay Canyon Road, by Ironwood grove, off of Upper West End Road 396 Comment
  RSA0098400  Spergularia macrotheca Reid V. Moran 1931-3-2 664 Los Angeles Santa Catalina Island, at point between Wilson s and Hanland, south end of Island. 10 Comment
  RSA0098743  Spergularia macrotheca Steve Boyd, Orlando Mistretta, Laurel Arnseth, Bart O Brien, Thomas Hayduk 1990-4-6 4167 Los Angeles San Clemente Island: head of Larkspur Canyon, E side of island, S of US Navy site called Jack. 213 Comment
  RSA0098598  Spergularia marina Peter H. Raven, Henry J. Thompson 1959-9-6 14390 Los Angeles Santa Monica Mountains. In salt marsh near mouth of Malibu Creek. 12 Comment
  RSA0098571  Spergularia villosa L. C. Wheeler 1934-3-18 2453 Los Angeles