Search Results — 2000 specimen records retrieved (1596 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384194  Abies concolor Christina Clark 1928-10-14 1957 Los Angeles Mt. San Antonio Comment
  RSA729852  Abies concolor R. G. Swinney 1998-8-27 6823 Los Angeles West Baldy Peak. 3018 Comment
Read comments
Aug 9 2009
  RSA0073303  Abies concolor Bonnie C. Templeton 1932-6-1 4867 Los Angeles Table Mountains, Big Pines Park, San Gabriel Mts. Comment
  LA30863  Abronia maritima Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 166 Los Angeles Santa Monica Mountains, Point Dume 365 Comment
  UC1930167  Abronia umbellata Mark Elvin, Orlando Mistretta 1996-3-22 115 Los Angeles Channel Islands; San Clemente Island: San Clemente Island. Coastal strand/dunes. Comment
  LA200659  Abronia umbellata subsp. umbellata Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  SEINET12159221  Acacia cyclops Unknown 1942-1 s.n. Los Angeles Los Angeles Comment
  UCR163444  Acamptopappus sphaerocephalus B. G. Pitzer 1998-5-23 3721 Los Angeles Western Mojave Desert, c. 18 mi. NW of Adelanto, 240th Street East, 12.8 mi. west of San Bernardino Co. line. 2.8 mi. by road north of El Mirage Road (= Avenue 'P'), and 3.7 mi. south of Avenue 'J' (= N5) 866 Comment
  CAS-BOT-BC412576  Acanthoscyphus parishii var. parishii F. R. Fosberg; J. Ewan 1931-8-11 4949 Los Angeles Mt. Islip near Islip-Hawkins Divide, San Gabriel Mts. 2286 Comment
  UCD117001  Acer macrophyllum Lyman Benson 1945-4-30 11653 Los Angeles Big Dalton Canyon, Glendora, San Gabriel Mountains. 350 Comment
  UCR206461  Acer negundo var. californicum A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  CAS-BOT-BC211918  Achnatherum coronatum Peter H. Raven; Henry J. Thompson 1959-5-5 14159 Los Angeles Malibu Canyon 3.0 miles south of Tapia Park, Santa Monica Mountains 91 Comment
  RSA0091096  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  CAS-BOT-BC204774  Acmispon argophyllus var. argenteus Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  SBBG128247  Acmispon grandiflorus M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3017 Los Angeles Parson's Landing 4 Comment
  LA211933  Acmispon grandiflorus var. grandiflorus Orlando Mistretta; Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Bouquet Canyon. Comment
  SD240992  Acmispon maritimus R. G. Swinney 2009-3-31 10224 Los Angeles Transverse Range; San Gabriel Mountains: mouth of San Gabriel Canyon, 1.2 miles north of Foothill Blvd., Azusa/Duarte (Axusa 7.5'Q) 182 Comment
  SD253447  Acmispon strigosus R. G. Swinney 2011-5-31 14930 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
  UC485227  Acourtia microcephala J. Grinnell 1903-7-3 Los Angeles Arroyo Seco Pasadena Comment
Read comments
Jul 24 2012
  JEPS44779  Adenostoma fasciculatum Frank W. Peirson 1918-6-1 78 Los Angeles Mt. Wilson Toll Rd. 609 Comment
  CAS-BOT-BC139852  Adenostoma sparsifolium Peter H. Raven; Robert F. Thorne 1964-5-7 19021 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  UC1127739  Adenostoma sparsifolium P. L. Johannsen 1934-1-5 215 Los Angeles Calabasas Quad., Dry Canyon Comment
  LA200064  Adiantum capillus-veneris Lawrence L. Kiefer; 1966-3-20 1757 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1 mi from mouth of canyon. 91 Comment
  RSA610521  Adiantum capillus-veneris L. C. Wheeler 1931-7-26 s.n. Los Angeles West Fork Palmer Canyon, San Gabriel Mts. 762 Comment
  UCR108640  Adiantum capillus-veneris L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains, Fish Fork 1098 Comment
  RSA522930  Adiantum capillus-veneris T. S. Ross, Orlando Mistretta 1990-10-24 3291 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Shaded seepage in lower Cape Horn Canyon 549 Comment
  RSA687669  Adiantum capillus-veneris L. E. Hoffman 1932-3-24 s.n. Los Angeles Trail Canyon Comment
  SBBG31574  Adiantum jordanii R. M. Beauchamp 1967-3-20 361 Los Angeles cyn above beach rd, S of Avalon Comment
  SBBG97001  Adiantum jordanii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4369 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UCR159700  Ageratina adenophora Orlando Mistretta 1992-7-14 714 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District 614 Comment
  CDA6747  Ageratina adenophora H. Daniels, Foster 1952-2-1 Los Angeles Griffith Park, Los Angeles. 0 Comment
  POM11661  Agoseris retrorsa P. A. Munz 1921-6-17 4608 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  RSA0091795  Agoseris retrorsa Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Bouquet Canyon. Comment
  CAS-BOT-BC14786  Agoseris retrorsa A. D. E. Elmer 1902-6-1 3601 Los Angeles Mt. Gleason, near Acton Comment
  UCR204884  Agrostis R. G. Swinney 2005-8-9 8412 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  SEINET3917350  Agrostis semiverticillata James Henrickson 1985-5-11 20249 Los Angeles Ca 12 air miles NW of San Bernardino in lower Lytle Creek Wash about 2-4 miles N of Interstate 15.; 0 732 Comment
Read comments
Feb 18 2015
  RSA605010  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  UCR259139  Ailanthus altissima R. G. Swinney 2010-6-23 13368 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
  POM177864  Alchemilla occidentalis Robert F. Thorne, Percy C. Everett 1965-5-11 34672 Los Angeles Santa Catalina Island. Near road to Hay Press. 457 Comment
  SFV19324  Allium P. Wilson, J. N. Hogue 242.1 2005-5-23 4206 Los Angeles San Gabriel Mountains Kratka Ridge, trail to Mount Williamson. 0.25 km north of Highway 2. 2100 Comment
  RSA367071  Allium burlewii Albert J. Perkins 1918-6-26 s.n. Los Angeles Mt. San Antonio. 3049 Comment
  RSA367077  Allium burlewii George R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA643148  Allium burlewii Orlando Mistretta 1993-6-24 884 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  RSA725089  Allium fimbriatum var. fimbriatum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -3 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UC635246  Allium fimbriatum var. fimbriatum H. L. Mason 1926-4-26 3022 Los Angeles near Rock Creek (n side of San Gabriel Mountains); San Gabriel Mountains Comment
  RSA588308  Allium fimbriatum var. fimbriatum Orlando Mistretta 1994-4-15 1051 Los Angeles San Gabriel Mountains, Santiago canyon. W slopes of drainage near confluence with Little Rock Creek. 1189 Comment
  CAS-BOT-BC135896  Allium haematochiton Carl Epling 1931-4-25 s.n. Los Angeles Los Alisos Canyon - Santa Monica Mountains Comment
  UCSB32428  Allium haematochiton Bauld, William 1962-3-24 Los Angeles Sunflower Canyon, South Glendora 213 Comment
  RSA0115708  Allium lacunosum var. davisiae Andrew C. Sanders 2008-4-10 34800 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c.1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  CAS-BOT-BC475408  Allium praecox Tim Ross 1993-4-22 6872 Los Angeles Santa Cataline Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak; 419 Comment
  UCR108463  Allophyllum divaricatum L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  UCR273151  Allophyllum divaricatum R. G. Swinney 2011-5-6 14611 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  LA81930  Allophyllum gilioides O. H. Kappler; 1940-5-26 29 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CATA3085  Allophyllum glutinosum Amy Catalano 2016-4-26 084 Los Angeles Santa Catalina Island: Stage Road, about 200 feet down from Wishbone Loop 239 Comment
  CATA3309  Allophyllum glutinosum Amy Catalano, Jen Dreizehn 2017-3-23 026 Los Angeles Santa Catalina Island: South edge of exclosure 4B, south facing slope in upper Grand Canyon 423 Comment
  RSA584955  Allophyllum glutinosum T. S. Ross, S. D. Boyd 1990-6-1 2766 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CAS-BOT-BC170982  Alnus rhombifolia W. H. Brewer 1861-1-4 107 Los Angeles San Gabriel Comment
  POM247865  Alnus rhombifolia Joseph A. Ewan 1936-8-2 9906 Los Angeles Mescal Canyon 1616 Comment
  SEINET5783471 Image available Alnus rhombifolia Marcus E. Jones 1882-1 2864 Los Angeles Pasadena Comment
  SD146068  Alternanthera philoxeroides R. D. Goeden, D. Ricker 1965-9-23 11861 UC Los Angeles San Gabriel River watershed: Whittier Narrows. 60 Comment
  SEINET12876877 Image available Alternanthera philoxeroides Unknown 1965-9-23 14171 Los Angeles 0.2 mi. N. of flood gates of Whittier Narrows Dam, W. of Rosemead Blvd., E. bank of the Rio Hondo, just E. of Montebello. Comment
  UC1929598  Amaranthus albus Steve Boyd, Mark Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11703 Los Angeles Transverse Ranges; Liebre Mountains region; southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  UC465922  Amaranthus albus George B. Grant and Walter Wheeler 1904-5-7 38 a Los Angeles Glendora Comment
  UC56561  Amaranthus albus Ernest Braunton Oct 1902 722 Los Angeles Vernon Los Angeles Comment
  RSA402972  Amaranthus blitoides Anstruther Davidson 1917-9-1 s.n. Los Angeles Streets, Los Angeles Comment
  RSA747392  Amaranthus blitoides A. C. Sanders, T. B. Salvato 2009-5-20 36875 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
  RSA607610  Amaranthus blitoides L. C. Wheeler 1966-10-25 9083 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  JEPS54295  Amaranthus californicus Frank W. Peirson 1922-7-6 3183 Los Angeles Big Pines San Gabriel Mountains 2072 Comment
  RSA608869  Amaranthus retroflexus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  POM5984  Amblyopappus pusillus I. M. Johnston 1917-6-10 1271 Los Angeles Playa del Rey. Comment
  UCR259548  Ambrosia acanthicarpa R. G. Swinney 2010-10-15 14064 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UC64852  Ambrosia chamissonis N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  JEPS19507  Ambrosia psilostachya Peter H. Raven 1957-9-21 11352 Los Angeles Monte Nido Fire Station; Santa Monica Mountains Comment
  SBBG70997  Amelanchier alnifolia R. Hoffmann 1929-5-19 Los Angeles below Los Angeles Recreation Park, above Big Rock Crk Comment
  UCR210095  Amelanchier utahensis R. G. Swinney 2008-8-13 9395 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA152094  Amorpha californica var. californica Wesley O. Griesel 1962-5-24 s.n. Los Angeles San Rafael Hills, Glendale 305 Comment
Read comments
Nov 19 2009
  UC551850  Amsinckia intermedia F. R. Fosberg 1932-5-5 10643 Los Angeles hills n of Avalon; Santa Catalina Island Comment
  RSA0079957  Amsinckia intermedia F. L. Robinson 1920-4-14 22 Los Angeles South Hills, south of Pomona. Comment
  RSA13335  Amsinckia intermedia C. B. Wolf 1926-3-26 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA499933  Amsinckia intermedia Chung-Hsin Chung 1931-2-26 s.n. Los Angeles Griffith Park. Comment
  UC1199902  Amsinckia intermedia Robert Ornduff with R. L. Taylor 1960-3-18 6000 Los Angeles Pebbly Beach Canyon, near water purification station Pebbly Beach Canyon; Santa Catalina Island Comment
  SEINET12491795  Amsinckia spectabilis G. B. Grant 1901-1 40 Los Angeles Pasadena. Comment
  SBBG63562  Amsinckia tessellata R. Hoffmann 1927-6-8 Los Angeles near Sandberg's Comment
  RSA711440  Amsinckia tessellata var. tessellata LeRoy Gross 2005-5-19 2305 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA594586  Anagallis arvensis Louis C. Wheeler 1967-5-7 9284 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 625 Comment
  UC2026504  Andropogon glomeratus var. scabriglumis Louis C. Wheeler Oct 1949 6755 Los Angeles SAN GABRIEL MOUNTAINS: North Fork San Gabriel River, near Bichota Canyon.. Comment
  UCR146871  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1956-1 7271 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Upper Arroyo Seco near Ladybug Canyon, on north side Angeles Crest Highway 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
  CATA1077  Anemopsis californica Mark L. Hoefs 1995-5-16 2027 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  RSA747130  Anemopsis californica R. G. Swinney 2008-6-9 8974 Los Angeles mouth of Sandrock Creek, 0.26 mi. (air) south of Valyermo post office 1137 Comment
  CAS-BOT-BC64019  Anisocoma acaulis A. D. E. Elmer 1902-6-1 3605 Los Angeles Acton, nr. Gleason Comment
  UCR194310  Anisocoma acaulis R. G. Swinney 1999-5-1 7090 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  SD253518  Antirrhinum coulterianum R. G. Swinney 2011-5-31 14895 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Ccristo Campground and confluence with Mill Creek. 1096 Comment
  RSA131244  Antirrhinum coulterianum Percy C. Everett, E. K. Balls 1959-6-2 23830 Los Angeles 1 mile NE of Entrance to Stokes Canyon 229 Comment
  RSA0092229  Antirrhinum multiflorum R. G. Swinney 2011-6-1 14959 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
  JEPS83384  Antirrhinum nuttallianum subsp. subsessile David M. Thompson 1983-5-13 305 Los Angeles 1.3 mi w Mulholland Hwy. junction with Las Virgenes Road (on Mulholland Hwy, n side of road, a chain link fence); Malibu Beach Quad. (7.5', 1951) 274 Comment
  SBBG31219  Antirrhinum nuttallianum subsp. subsessile R. F. Thorne 1966-4-5 35876 Los Angeles lower portion of Cottonwood Cyn 106 Comment
  CATA3068  Aphanes occidentalis Amy Catalano 2016-4-19 075 Los Angeles Santa Catalina Island: West End Road, just southeast of junction with Cherry Valley Road, north facing slope, 5 meters upslope from road 11 Comment
  RSA660871  Aphanisma blitoides Orlando Mistretta 1992-4-4 134 Los Angeles San Clemente Island. Comment
  RSA612037  Apiastrum angustifolium Bill Campbell 1932-4-30 s.n. Los Angeles Los Alisos Canyon. Comment
  UCR65227  Apiastrum angustifolium F. R. Fosberg 1931-4-4 S- 04489 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  UCSC000498  Apiastrum angustifolium I. J. Condit 2011-3-27 s.n. Los Angeles Catalina Island Comment
  UC1228854  Apiastrum angustifolium Peter H. Raven 1962-5-9 17665 Los Angeles San Clemente Island, at s end of Mosquito Cove Mosquito Cove; San Clemente Island, Mosquito Cove 320 Comment
  UC407307  Apiastrum angustifolium LeRoy Abrams 1903-3-14 3136 Los Angeles San Pedro Hills; Southern California, San Pedro Hills Comment
  RSA588086  Apocynum cannabinum Orlando Mistretta 1994-5-25 1256 Los Angeles Little Rock Creek, near confluence of Little Rock Creek and S Fork of Little Rock Creek. 1280 Comment
  CAS-BOT-BC392024  Aquilegia eximia Le Roy Abrams; E. A. McGregor 1908-7-2 555 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains Comment
  UCR256560  Aquilegia formosa Anuja Parikh, Nathan Gale 2011-7-15 3561 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 3.5 km west of State Hwy 39, San Gabriel Canyon Road 568 Comment
  UC1122886  Aralia californica Jerome S. Horton 1936-8-24 382 Los Angeles Flume 5 N. Fork San Dimas Canyon; Pomona Quad., N. Fork watershed Comment
  RSA0082403  Arbutus menziesii R. G. Swinney 2010-8-16 13566 Los Angeles C. 1.0 mile NW of Chantry Flats on north side of Winter Creek Trail. 768 Comment
  RSA594204  Arceuthobium occidentale Steve D. Boyd, Lauren Raz 1996-10-14 9083 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  CATA679  Arctostaphylos catalinae Mark L. Hoefs 1991-4-23 1170 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA177894  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1965-5-10 34480 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island 427 Comment
  RSA626773  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20486 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA721290  Arctostaphylos glandulosa subsp. cushingiana R. G. Swinney 1998-3-14 5904 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  RSA360966  Arctostaphylos glandulosa subsp. gabrielensis Walter Knight, Ijra Knight 1985-11-26 s.n. Los Angeles Mill Creek Campground: County road N-3 1277 Comment
  RSA626836  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22117 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  CAS-BOT-BC39349  Arctostaphylos glauca John Thomas Howell 1928-2-11 3343 Los Angeles On trail between Haines Canyon and Mt. Lukens, San Gabriel Mts. Comment
  POM346573  Arctostaphylos glauca Barry Burnell 1971-2-9 235 Los Angeles Evey Canyon, Claremont. 716 Comment
  RSA599792  Arctostaphylos glauca Steve Boyd, Lauren Raz 1997-3-25 9285 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, flats and slopes just northeast of ranch compound. 976 Comment
  RSA617462  Arctostaphylos glauca Scott D. White, Pam De Vries 1998-7-23 6760 Los Angeles Soledad Canyon Area: Proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 549 Comment
  RSA631479  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15988 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631622  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15772 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631645  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15970 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA634346  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22071 Los Angeles Northern end of Crystal Lake Campground, San Gabriel Mountains. 1850 Comment
  RSA634363  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20618 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634714  Arctostaphylos parryana subsp. tumescens John Crandell, Jon E. Keeley 1992-4-5 15046 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1480 Comment
  RSA634733  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20422 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
  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
  RSA634868  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20267 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634876  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20224 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635063  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20584 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635132  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20216 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635150  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22035 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635182  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20474 Los Angeles N of Angeles Crest Hwy, on road to Sulphur Springs, N of Chilao., San Gabriel Mtns. 1200 Comment
  RSA635250  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20648 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UC1181380  Arctostaphylos patula Peter Kamb 1947-6-13 604 Los Angeles e slope Mount San Antonio Comment
  UCR141043  Arctostaphylos patula June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  UCR256135  Arctostaphylos patula R. G. Swinney 2010-9-23 13878 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA603681  Arenaria macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 -J Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA718114  Arenaria macradenia var. arcuifolia R. G. Swinney 1997-6-13 5573 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA667896  Argemone munita Michael Denslow, V. Soza 2002-7-10 693 Los Angeles North side of mountains. Road side; off Big Rock Creek road on the road to south fork campground. 1372 Comment
  UC1040942  Argemone rotundata Gerald B. Ownbey and Findley Ownbey 1954-5-28 2118 Los Angeles 7.0 mi w of Ravenna (at junction of Highway with Agua Dulce Creek Road, Soledad Canyon); Soledad Canyon Comment
  SBBG110998  Aristida adscensionis A. Parikh, N. Gale 1998-5-28 LA- 2 Los Angeles S of Agoura Hills; N of Triunfo Cyn Rd, near intersection of Kanan Rd 270 Comment
Read comments
Jun 23 2010
  RSA249731  Aristida adscensionis var. modesta R. F. Thorne, M. Z. Thorne 1973-2-12 42473 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  CAS-BOT-BC64586  Armeria maritima subsp. californica Cronemiller; Semon 1927-4-13 2974 Los Angeles Santa Barbara Forest. Mouth of Sycamore Canyon. 12 Comment
Read comments
Jan 22 2018
  CAS-BOT-BC90134  Artemisia biennis S. B. Parish; W. F. Parish 1882-10-1 1594 Los Angeles Near Santa Ana Comment
  SBBG31081  Artemisia californica R. F. Thorne with D. Propst 1968-5-27 37629 Los Angeles near margin of Thompson's Reservoir, Middle Ranch, at upper W end of reservoir Comment
  SEINET209192  Artemisia californica F. W. Peirson 1918-9-15 245 Los Angeles Los Angeles County: Near foot of Sister Elsie Peak trail. San Gabriel Mountains. 640 Comment
  CAS-BOT-BC90347  Artemisia douglasiana Cecil Hart 1922-9-12 s.n. Los Angeles Howard & Smith's nursery Montebello, Los Angeles Comment
  RSA0115099  Artemisia douglasiana Steven A. Junak 2000-7-1 SCa- 1372 Los Angeles Santa Catalina Island. Along Cape Canyon Road, upper Cape Canyon. 305 Comment
  CAS-BOT-BC93869  Artemisia dracunculus D. E. Breedlove 1961-8-4 927 Los Angeles On creek-bank at Peavine Campground on Big Pines Highway 2 miles northwest of State Highway 2; San Gabriel Mountains 1828 Comment
  UCR209256  Artemisia dracunculus R. G. Swinney 2008-10-7 9470 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR239975  Artemisia dracunculus R. G. Swinney 2009-11-16 11639 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UC205743  Artemisia ludoviciana subsp. incompta I. M. Johnston 1917-8-22 1651 Los Angeles Pine Ridge San Antonio Mountains, Pine Ridge 2438 Comment
  RSA235235  Arthrocnemum subterminale E. R. Blakley 1962-6-10 5221 Los Angeles Wilson Cove, San Clemente Island 6 Comment
  RSA478868  Arthrocnemum subterminale House, Grumbles 1930-5-13 s.n. Los Angeles San Clemente Island Comment
  UCR210513  Arundo donax R. G. Swinney 2008-11-30 9886 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  JEPS5093  Asclepias californica Frank W. Peirson 1923-5-26 3541 Los Angeles Rock Creek Divide 2011 Comment
  UCR276765  Asclepias californica R. G. Swinney 2011-5-16 14743 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  POM202307  Asclepias eriocarpa L. M. Booth 805 Los Angeles Burbank Comment
  SEINET10580452  Asclepias eriocarpa Victor Duran 1933-7-25 Duran 3532 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  SBBG58639  Asclepias fascicularis M. N. Ackley -Oct-1925 11 Los Angeles Eagle Rock 182 Comment
  CATA3522  Asparagus asparagoides Benjamin J. Dion, Morgan Fleming 2018-3-4 003 Los Angeles Santa Catalina Island: Pacific side; under an ironwood grove in the southwest section of the Wells Beach watershed, about 90m downslope from the edge of the Mount Torquemada watershed 364 Comment
  UCR125924  Asparagus officinalis A. C. Sanders, Mark Elvin 2002-6-19 25176 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  RSA686317  Aspidotis californica T. S. Clare 1929-3-29 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  SBBG119428  Aspidotis californica S. D. White with P. De Vries 2000-5-18 7895 Los Angeles foothills above Irwindale, Fish Crk Cyn, from the mouth of the cyn at CalMat quarry upstream to falls 305 Comment
  UCR119863  Aster greatae Mike Gates 1996-10-12 s.n. Los Angeles San Gabriel Mtns., San Gabriel River Canyon 1372 Comment
  RSA617202  Astragalus didymocarpus var. didymocarpus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  CAS-BOT-BC182303  Astragalus didymocarpus var. didymocarpus Robert F. Thorne 1973-5-11 43554 Los Angeles San Gabriel Mts., Mojave Desert slopes: Along Mt. Emma Road, 1.9 mi W of Little Rock Creek below the dam Comment
  SBBG68221  Astragalus didymocarpus var. dispermus R. Hoffmann 1929-4-27 Los Angeles near Roosevelt Comment
  RSA90161  Astragalus didymocarpus var. dispermus F. W. Peirson 1929-5-11 398 Los Angeles Arraster Creek, north slope of San Gabriel Mtns. 854 Comment
  UCD104740  Astragalus douglasii L. Lapre 1990-4-24 s.n. Los Angeles Palmdale area, Elizabeth Lake Rd at California Aqueduct. San Andreas rift zone bisects the site. 914 Comment
  SBBG44507  Astragalus lentiginosus R. Hoffmann 1930-4-29 Los Angeles Lancaster 711 Comment
  RSA589119  Astragalus lentiginosus var. variabilis T. S. Ross 1992-4-4 6097 Los Angeles Just NW of Palmdale Blvd. x North 210th Street East, roughly 4 air miles ESE of Lovejoy Buttes. 869 Comment
  SBBG3220  Astragalus lentiginosus var. variabilis H. and M. Dearing 1938-5-1 2685 Los Angeles Antelope Valley near Palmdale Comment
  UC13368  Astragalus lentiginosus var. variabilis A. Davidson 1893-5-12 Los Angeles Lancaster Comment
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Jun 29 2011
  UCR141017  Astragalus lentiginosus var. variabilis June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  CAS-BOT-BC194249  Astragalus pachypus R. G. Swinney 2009-5-12 10755 Los Angeles Lower Braniard Canyon, 1.4 - 1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock, Transverse Range 1088 Comment
  SD234387  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles Western Transverse Range / Santa Clara River Watershed: Off-haul Canyon between San Martinez Grand Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  UCSB31581  Astragalus trichopodus var. lonchus Kato, Yoriko Los Angeles Three miles inland on Latigo Canyon road off Pacific Coast Highway Comment
  CAS-BOT-BC199088  Astragalus trichopodus var. phoxus Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster. Comment
  POM293740  Astragalus trichopodus var. phoxus Lyman Benson 1953-5-17 15118 Los Angeles Oak Flats Guard Station, 1 mile north of second summit north of Castaic. 822 Comment
  RSA226986  Astragalus trichopodus var. phoxus R. F. Thorne, C. W. Tilforth 1971-6-17 39970 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  UC1965438  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 2005 /08/12.1-5 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. Comment
  RSA641239  Atriplex argentea L. C. Wheeler 1967-7-23 10151 Los Angeles San Gabriel Mountains: Barrell Spring. Comment
  UC217019  Atriplex californica I. Johnston 1917-6-10 1270 Los Angeles Playa del Rey Playa del Rey (sandy cliffs along shore, Southern California) Comment
  SBBG118706  Atriplex canescens O. Mistretta 1992-8-17 748 Los Angeles Haines Cyn Trail, Tujunga Ranger District Comment
  UCR203225  Atriplex canescens R. G. Swinney 2005-7-21 8321 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
  CAS-BOT-BC168268  Atriplex canescens var. canescens Timothy S. Ross; Steve Boyd 1994-9-20 8227 b Los Angeles 2 miles NW of Acton: Sandy wash, 2 side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  CAS-BOT-BC172644  Atriplex coulteri E. Braunton 1902-5-15 s.n. Los Angeles Gardena Comment
  RSA739673  Atriplex lentiformis subsp. lentiformis John Dittes, Josephine Guardino 2008-2-24 1510 Los Angeles S Coast, coastal plains and Valeys, San Fernando Valley, Sepulveda Dam Flood control Basin, 1.9 air miles SW of Van Nuys Civic Center, 1 air mile S of Victory Blvd, 0.6 air mile W of San Diego Freqay 405 where it crosses Burbanks blvd 208 Comment
  CAS-BOT-BC180942  Atriplex nummularia Carl B. Wolf 1931-12-30 2632 Los Angeles Playa del Rey 15 Comment
  SBBG127519  Atriplex prostrata M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-10 2748 Los Angeles Catalina Harbor at the Isthmus 3 Comment
  IRVC28731  Atriplex rosea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25515 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  UCD97669  Atriplex rosea Daryl Koutnik 1978-9-3 s.n. Los Angeles northwest of the junction of Saticoy and Winnetka in the San Fernando Valley. 243 Comment
  RSA478404  Atriplex semibaccata F. R. Fosberg 1931-4-10 S 4569 Los Angeles Santa Catalina Island. Hamilton Beach. 2 Comment
  RSA151316  Atriplex semibaccata P. H. Raven 1962-7-11 17999 Los Angeles Just south of old airstrip, San Clemente Island Comment
  RSA535324  Atriplex semibaccata T. S. Ross 1991-5-20 5355 Los Angeles San Clemente Island: Un-named knoll ca 5100 feet S of Wilson Cove Settlement; gradual northerly slope 2750 NNW of the 750 BM. 218 Comment
  SEINET11940379  Atriplex semibaccata J. F. Bright, Wyman, C. 1931-1 5736 Los Angeles Hollywood Comment
  CAS-BOT-BC176587  Atriplex serenana var. davidsonii Le Roy Abrams 1899-4-1 206 Los Angeles Mesmer Comment
  SBBG65401  Atriplex serenana var. serenana R. Hoffmann 1927-8-30 Los Angeles near Saugus Comment
  CAS-BOT-BC176738  Atriplex serenana var. serenana Cecil Hart 1926-8-25 s.n. Los Angeles Howard & Smith's Nursery, [Montabello] Montebello, Los Angeles Comment
  RSA0029995  Atriplex suberecta R. E. Riefner Jr. 2008-7-28 08 -254 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, vicinity of Vermont Ave. and Normandie Ave. 1 Comment
  RSA478346  Atriplex subspicata Anstruther Davidson 1923-1 s.n. Los Angeles Balboa? Comment
  RSA597824  Atriplex watsonii L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. Catalina Harbor (Isthmus). 3 Comment
  RSA657158  Avena barbata Joseph M. Keefe 2001-1-19 31001 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 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
  RSA657641  Avena fatua Kristina Sargeant 1992-4-4 92 -7 Los Angeles Flat lot on north side of Tetley St. approx. 200 ft east of intersection of Hacienda Blvd. and Tetley St. in Hacienda Heights. Comment
  SEINET3875614  Azolla filiculoides Steve Boyd 1996-4-25 8693 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain.; 0 914 Comment
  CAS-BOT-BC98731  Baccharis douglasii D. E. Breedlove 1961-9-24 1288 Los Angeles Middle Ranch Canyon, 1/2 mi. above Ben Weston Beach; Santa Catalina Island 60 Comment
  SBBG13592  Baccharis glutinosa E. R. Blakley 1962-10-5 5456 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA587190  Baccharis pilularis Scott D. White 1995-12-5 3768 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  SEINET11837861  Baccharis pilularis subsp. consanguinea C. V. Braun 1974-1 23 Los Angeles turn-out on E side of I-5 just N of Castaic Comment
  LA201757  Baccharis plummerae subsp. plummerae Arthur C. Gibson; 2003-9-3 4841 Los Angeles Comment
  CAS-BOT-BC98162  Baccharis salicifolia Marcus E. Jones 1882-2-25 3021 Los Angeles Pasadena Comment
  CHSC85564  Baccharis salicifolia John Dittes 2003-12-23 855 Los Angeles Western Transverse Range; north slope of Verdugo Mts. In La Tuna Cyn.; ca. 3.4 air-miles north of Burbank City Hall, ca. 1.1 air-mile east by southeast of La Tuna Canyon Flood Debris Basin, ca. 2.0 air-mile south of Verdugo Hills High School; drainage south of La Tuna Cyn. Road. 457 Comment
  LA31667  Baccharis salicifolia Peter H. Raven; 1959-2-15 13792 Los Angeles 289 Comment
  POM280813  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-27 s.n. Los Angeles Little Tujunga Canyon Comment
  POM306259  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1419 Los Angeles North Craig Ave., Altadena. Comment
  RSA0068236  Baccharis salicifolia R. G. Swinney 2010-3-22 12085 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA598933  Baccharis salicifolia Scott D. White 1997-3-12 4754 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  RSA670167  Baccharis salicifolia Joseph M. Keefe 2001-3-19 31141 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  UCR210443  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCSB9955  Baccharis salicifolia Haller, Norman 1953-3-29 Los Angeles Mulholland Dr., approx. 200 yds. west of Sepulveda on small dirt road; Santa Monica Mts. 426 Comment
  UC71922  Baccharis salicifolia subsp. salicifolia W. A. Setchell 1896-12-1 Los Angeles Los Angeles Comment
  RSA0051683  Baccharis viminea Lee Haines 1935-7-3 s.n. Los Angeles San Gabriel Mountains - Dalton Canyon. Comment
  PASA386  Barbarea vulgaris Frank W. Peirson 1922-7-5 Los Angeles Big Pines Camp, San Gabriel Mts. 2072 Comment
  UC987823  Berberis nevinii Reid Moran 1941-5-17 865 Los Angeles e San Fernando; San Fernando Valley Comment
  SBBG52912  Bergerocactus emoryi F. C. Boutin 1967-4-23 1697 Los Angeles near Eel Pt Comment
  CAS-BOT-BC436542  Bergerocactus emoryi L. R. Abrams; I. L. Wiggins 1931-7-7 410 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  IRVC28744  Berula erecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25524 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  SBBG128556  Beta vulgaris M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-15 2263 Los Angeles Cottonwood Cyn 33 Comment
  RSA354205  Bidens pilosa S. Carlquist 1985-12-6 15908 Los Angeles Wild along road, Via Padua, Claremont. Comment
  SEINET3146114  Blepharipappus elegans G. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  UCR256158  Bloomeria crocea R. G. Swinney 2010-6-4 13069 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  POM318517  Bloomeria crocea var. crocea Sharon La Bonde 1963-4-19 62 Los Angeles 1 mile north of Little Fisherman s Cove on Catalina Island. 244 Comment
  CAS-BOT-BC16087  Boechera californica George B. Grant 1904-5-5 6197 Los Angeles Arroyo Seco Canyon. Comment
  RSA0128770  Boechera californica R. F. Thorne, C. W. Tilforth 1971-6-30 40808 Los Angeles Angeles National Forest: S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  RSA0128795  Boechera californica Thekla Mohr 1915-1 3033 Los Angeles Sister Elsie Trail, San Gabriel Mountains. Comment
  RSA585530  Boechera californica Timothy S. Ross 1992-4-21 6231 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  SBBG126037  Boechera pulchra A. Parikh, N. Gale 2010-5-24 3209 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1020 Comment
  RSA0129392  Boechera xylopoda R. G. Swinney 1998-6-12 6961 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
  CAS-BOT-BC145865  Bothriochloa barbinodis LeRoy Abrams 1903-3-11 3110 Los Angeles Spalveda Canyon, Santa Monica Mountains. Comment
  RSA187948  Bothriochloa barbinodis R. F. Thorne 1966-4-28 36196 Los Angeles Santa Catalina Island: Renton Mine Road, E end island 152 Comment
  SBBG34509  Bowlesia incana S. A. Junak with K. Kirkland 1998-6-11 SCa 708 Los Angeles lower portion of small cyn just SE of Frog Rock 15 Comment
  POM1587  Boykinia rotundifolia D. L. Crawford 1915-7-15 551 Los Angeles Palmer Canyon - Claremont. Comment
  RSA682296  Boykinia rotundifolia R. E. Riefner 2000-8-29 00 -757 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservency Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  LA32275  Brassica campestris Peter H. Raven; 1959-4-4 13974 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  RSA741020  Brassica fruticulosa Justin M. Wood, Brandy Wood 2009-1-2 270 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  RSA0036838  Brassica nigra Matt Bogdanoff 1981-5-24 11 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UC1584701  Brassica nigra Tim Ross 1991-3-24 4319 Los Angeles Whittier Hills (Puente Hills, pro parte): between Sycamore Canyon and Turnbull Canyons. 363 Comment
  RSA0088407  Brassica rapa R. G. Swinney 2010-2-27 11765 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA482927  Brassica rapa E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  CLARK-A1528-2299  Brassica rapa subsp. sylvestris John C. Roos 1943-2-7 Los Angeles West Los Angeles Comment
  CAS-BOT-BC100411  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station 1066 Comment
  SBBG7818  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  RSA0013197  Brickellia nevinii Orlando Mistretta, Christine Mistretta 2011-7-13 5938 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  RSA535270  Brodiaea kinkiensis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5317 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  LA82511  Bromus arizonicus O. H. Kappler; 1943-4-28 719 Los Angeles SANTA MONICA MOUNTAINS, Beverly Glen Blvd at junction with Mulholland Drive. 518 Comment
  RSA595656  Bromus carinatus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8551 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR223497  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  CAS-BOT-BC149191  Bromus carinatus var. carinatus Henry J. Thompson 1959-4-19 1950 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile west of Las Virgenes Road Malibu Creek Drainage. 274 Comment
  LA200934  Bromus carinatus var. carinatus Norman A. Cole; May 1964 327 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 152 Comment
  CAS-BOT-BC148922  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-6-2 5330 Los Angeles Summit of Liebre Mountain. 1645 Comment
  RSA660214  Bromus diandrus Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 16 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA578133  Bromus grandis Timothy S. Ross, Walter Appleby 1993-5-13 7128 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 meters NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  UCR128160  Bromus grandis Mark A. Elvin, Cathleen Weigand 2003-5-22 2908 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCR73385  Bromus grandis T. S. Ross 1991-8-14 5780 Los Angeles San Gabriel Mtns, Roundtop Mountain 1768 Comment
  CATA1483  Bromus hordeaceus Mark L. Hoefs, Steven A. Junak 1996-4-30 2685 Los Angeles Santa Catalina Island: By road past Parson's Junction, toward west end, just before Starlight Beach 152 Comment
  CATA993  Bromus hordeaceus Mark L. Hoefs 1994-5-21 1867 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  SBBG12187  Bromus hordeaceus P. H. Raven 1962-4-9 17159 Los Angeles near barracks, Wilson Cove 60 Comment
  SEINET4044555  Bromus hordeaceus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  UC285017  Bromus hordeaceus P. A. Munz 1923-4-9 6654 Los Angeles San Clemente Island, Wilsons Cove Wilsons Cove; San Clemente Island, Wilsons Cove Comment
  UCR252777  Bromus hordeaceus R. G. Swinney 2010-3-10 11794 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  LA91604  Bromus madritensis subsp. rubens Bruce Douglas Clayton; Greg Shaw 1972-4-7 81 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons. 487 Comment
  SBBG80213  Bromus maritimus F. R. Fosberg 1931-4-3 4484 Los Angeles Pebbly Beach, just above beach near rock crusher Comment
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May 19 2014
  PASA650  Bromus rigidus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM363924  Bromus rubens Gary D. Wallace 1979-4-19 1682 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  RSA623783  Bromus rubens Raymond J. Dobbs 1927-4-19 169 Los Angeles Switzer's, San Gabriel Mountains. Comment
  RSA674247  Bromus rubens LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 a Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 823 Comment
  RSA674635  Bromus rubens Scott D. White, Kent Hughes 2000-5-16 7864 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCR154233  Bromus rubens A. C. Sanders, T. B. Salvato 2005-5-24 30261 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR255758  Bromus rubens R. G. Swinney 2010-5-12 12716 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA0019951  Bromus tectorum Timothy S. Ross 1992-4-4 6093 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA0067564  Bromus tectorum R. G. Swinney 2010-5-12 12715 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  UCR220154  Bromus tectorum R. G. Swinney 2009-4-2 10267 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
  UCR223554  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA0019967  Bromus tectorum O. W. Robinson 1916-4-29 s.n. Los Angeles Claremont. 365 Comment
  LA201801  Cakile maritima Arthur C. Gibson; 2003-6-11 4884 Los Angeles 4 Comment
  CAS-BOT-BC233955  Calandrinia breweri John Thomas Howell 1928-3-4 3384 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  LA200773  Calandrinia ciliata Alice Sven; 1931-3-7 sn Los Angeles 540 Comment
  CATA3246  Calandrinia menziesii Amy Catalano 2017-2-15 003 Los Angeles Santa Catalina Island: Middle Ranch, roadside between driveway to house #104 and house #103 171 Comment
  RSA172730  Calochortus catalinae Mark Parratt 1963-4-28 529 Los Angeles Isthmus area, Santa Catalina Island. Comment
  RSA377303  Calochortus catalinae Louis C. Wheeler 1932-5-7 686 Los Angeles U.C.L.A. Campus West of Los Angeles. 137 Comment
  SBBG25543  Calochortus catalinae D. Emery 1947-4-20 Los Angeles Topanga Cyn Comment
  JEPS17761 Image available Calochortus clavatus Frank W. Peirson 1918-6-16 288 Los Angeles Mint Canyon, top of first grade Mint Canyon Comment
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Nov 9 2011
  SEINET12053879  Calochortus clavatus I. W. Clokey, Templeton, B. 1929-1 4552 Los Angeles Mandeville Canyon, Santa Monica Mts 500 Comment
  RSA701591  Calochortus clavatus var. gracilis Naomi Fraga, Sarah J. De Groot 2004-6-3 1235 Los Angeles Evey Canyon, ca. 1 miles from Road to Mount Baldy on Evey Canyon/Palmer Canyon Road. 793 Comment
  POM1706  Calochortus plummerae L. E. Hill 1897-6-10 10342 Los Angeles Claremont, Live Oak Canyon. 366 Comment
  RSA134733  Calochortus plummerae Percy C. Everett, E. K. Balls 1959-6-29 23873 Los Angeles Stokes Canyon, Santa Monica Mountains. 152 Comment
  POM181827  Calochortus venustus C. L. Hitchcock 1928-5-27 s.n. Los Angeles Road to Mt. Pinos, 1 mile W of junction with Ridge Route. Comment
  RSA0068458  Calystegia macrostegia R. G. Swinney 2010-3-18 11983 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA158345  Calystegia macrostegia subsp. amplissima P. H. Raven 1962-4-9 17143 Los Angeles Near barracks, Wilson Cove, San Clemente Island. 61 Comment
  RSA702168  Calystegia macrostegia subsp. arida Michael Honer 2004-6-22 2011 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon andHog Back. 854 Comment
  CAS-BOT-BC215782  Calystegia macrostegia subsp. cyclostegia Le Roy Abrams 1901-4-5 1359 Los Angeles Chatsworth Park, San Fernando Mts. Comment
  LA91408  Calystegia macrostegia subsp. cyclostegia Greg Clayton; Greg Shaw 1972-3-16 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, on firebreak E of canyon overlook 594 Comment
  UCSB4958  Calystegia macrostegia subsp. cyclostegia Albright, S. 1957-5-11 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  RSA0060701  Calystegia macrostegia subsp. intermedia Nancy Hamlett 2015-3-24 s.n. Los Angeles Bernard Field Station, east field. 366 Comment
  RSA279044  Calystegia macrostegia subsp. intermedia R. F. Thorne 1971-4-23 41476 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA590514  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 804 Comment
  RSA630281  Calystegia macrostegia subsp. intermedia LeRoy Gross 1999-2-25 122 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway. 609 Comment
  CAS-BOT-BC215914  Calystegia peirsonii Lauren Raz; Steve Boyd 1997-5-1 9679 Los Angeles Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-souteast of Lincoln Crest, the head of Bouquet Canyon, Liebre Mountains 1511 Comment
  RSA394820  Calystegia sepium subsp. limnophila Anstruther Davidson 1890-04 1891 Los Angeles San Gabriel River near El Monte. Comment
  RSA0055772  Camissonia bistorta R. G. Swinney 2010-4-28 12390 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
  RSA199517  Camissonia bistorta I. W. Clokey, Bonnie C. Templeton 1929-04 4456 Los Angeles Santa Monica Mountains, Mandeville Canyon. 500 Comment
  RSA279087  Camissonia bistorta Robert F. Thorne, C. W. Tilforth 1971-4-9 41514 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon near dam on San Dimas Creek. 457 Comment
  RSA615522  Camissonia californica Louis C. Wheeler 1967-5-18 9615 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA279037  Camissonia californica Robert F. Thorne 1971-4-23 41484 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA454722  Camissonia campestris subsp. campestris Gale Sphon 1955-06 s.n. Los Angeles Mount Pinos Comment
  RSA454024  Camissonia cheiranthifolia subsp. suffruticosa Tom Burch 1940-2-22 s.n. Los Angeles Redondo Beach. Comment
  RSA244398  Camissonia hirtella Robin S. Collins 1973-5-15 277 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  UCR276907  Camissonia hirtella R. G. Swinney 2011-3-29 14248 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA577281  Camissonia intermedia Orlando Mistretta 1994-7-20 1441 Los Angeles Big Rock Creek. South Fork Campground. 1402 Comment
  RSA0069428  Camissonia micrantha R. G. Swinney 2010-3-11 11871 Los Angeles San Gabriel Mountains/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  POM126851  Camissonia pallida subsp. pallida Jos. Burtt Davy 1896-05 2529 Los Angeles Antelope Valley. Comment
  LA206044  Camissoniopsis cheiranthifolia Carl Epling; March 1925 sn Los Angeles Clifton Comment
  CAS-BOT-BC160445  Camissoniopsis cheiranthifolia subsp. suffruticosa Geo. B. Grant 1904-5-14 s.n. Los Angeles Playa del Rey Comment
  CAS-BOT-BC403903  Cannabis sativa Philip A. Munz 1955-11-5 21486 Los Angeles 1 1/2 blks. n. of Foothill Blvd. on Mills Ave., Claremont Comment
  RSA669634  Capsella bursa-pastoris LeRoy Gross 2002-3-7 488 Los Angeles North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  UCR259043  Capsella bursa-pastoris R. G. Swinney 2010-3-14 11898 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR282483  Capsella bursa-pastoris Dan S. Cooper 2017-2-11 217- 01 Los Angeles Los Angeles, Griffith Park, Toyon Landfill 300 Comment
  UCR184208  Cardamine californica A. C. Sanders, T. B. Salvato 2007-4-24 33499 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  CAS-BOT-BC282956  Carduus nutans G. W. Garrettson 1954-6-24 s.n. Los Angeles San Vinsente Ranch, Walnut Comment
  CAS-BOT-BC17656  Carex alma George B. Grant 1904-6-17 6305 Los Angeles Arroyo Seco Canyon. Comment
  RSA0116661  Carex alma R. G. Swinney 2008-7-12 9180 Los Angeles San Gabriel Mtns.; San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon. 622 Comment
  RSA748465  Carex alma R. G. Swinney 2001-8-27 8089 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2463 Comment
  RSA0116657  Carex fracta R. G. Swinney 2008-7-2 9125 Los Angeles San Gabriel Mtns.; Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA602747  Carex fracta L. C. Wheeler 1967-8-1 10200 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  RSA191097  Carex fracta Robert F. Thorne, M. Z. Thorne 1967-7-19 37189 Los Angeles San Gabriel Mountains. 1981 Comment
  RSA606990  Carex globosa L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  SEINET7559875 Image available Carex globosa Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountain, Northwest slope Smith Mt, along Bear Creek Trail. 1250 Comment
  RSA311289  Carex jonesii Robert F. Thorne, M. Z. Thorne 1969-7-10 38366 Los Angeles Mescal Creek Play Area 2042 Comment
  UC212795  Carex phaeocephala I. Johnston 1917-7-4 1399 Los Angeles summit Baldy 3048 Comment
  RSA364679  Carex praegracilis Robert Gustafson 1981-3-18 2125 Los Angeles Ballona Wetlands, Area 1. Comment
  SBBG33691  Carex praegracilis V. Soza, S. Boyd 2002-4-20 1404 Los Angeles Haskell Cyn, Del Sur Ridge; Liebre Mtns 518 Comment
  RSA641573  Carex schottii L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon. Comment
  SFV19314  Carex senta T. Sagar, A. E. Dorsey 2005-2-8 s. n. Los Angeles Santa Monica Mountains Zuma Canyon about 1.5 km north from trailhead at north end of Bansal Drive. 60 Comment
  SEINET7575145 Image available Carex senta Orlando Mistretta 1994-5-13 1193 Los Angeles San Gabriel Mountains Little Rock Creek Slopes E of creek opposite confluence with Kitter Canyon. Pacifico Mtn. 7.5' USGS topographic quadrangle. 1067 Comment
  CAS-BOT-BC115973  Carex subfusca Ivan Murray Johnston 1917-7-4 1399 Los Angeles Summit of Old Baldy [Mtn is in both LA & SanBrndo Cos.; summit is in LA Co.]. 3048 Comment
  JEPS48981  Carex subfusca Joseph A. Ewan 1934-8-4 8324 Los Angeles Guffys Springs, s end of Blue Lake Blue Lake, Guffys Springs 2438 Comment
  JEPS48987  Carex subfusca Joseph Ewan 1932-6-15 7342 Los Angeles Horse Flats San Gabriel Mts., Pinyon Flat region, Horse Flats Comment
  RSA364780  Carex triquetra M. B. Dunkle 1929-4-21 2140 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA254327  Carex triquetra James R. Shevock 1975-3-22 4021 Los Angeles 1 mile west of Black Jack Campground, Cottonwood Canyon. 290 Comment
  RSA402599  Carpobrotus edulis Mary D. Merilatt 1936-7-15 s.n. Los Angeles Playa del Rey. Comment
  UCD50467  Carya illinoinensis Collector Unknown 1982-11-1 s.n. Los Angeles CA: Los Angeles Co.: tree infront of house at Arcadia Ave., Arcadia. Comment
  UCR115415  Castilleja R. G. Swinney 1994-7-8 2882 Los Angeles San Gabriel Mtns., Sheep Mountain Wilderness; 2.1 m SE of Junction of Rds. 3N06 and 3N39; south of road in Prairie Fork Canyon 2140 Comment
  RSA250619  Castilleja affinis subsp. affinis Robert F. Thorne 1971-4-2 41407 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  UC885395  Castilleja affinis subsp. affinis F. R. Fosberg 1931-3-25 S 4362 Los Angeles s wall Hamilton Canyon; Santa Catalina Island 10 Comment
  UCR204927  Castilleja applegatei subsp. martini R. F. Thorne, M. Z. Thorne 1969-7-9 38526 Los Angeles San Gabriel Moutains, just south of Big Meadow, Big Pines 2088 Comment
  LA103299  Castilleja applegatei subsp. martinii Barry A. Prigge; 1986-3-19 6934 Los Angeles SANTA MONICA MOUNTAINS, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  LA32222  Castilleja applegatei subsp. martinii Peter H. Raven; 1959-5-3 14084 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.2 mi E of Laurel Canyon. 350 Comment
  POM250372  Castilleja applegatei subsp. martinii I. W. Clokey, E. G. Anderson 1935-5-9 6899 Los Angeles San Dimas Canyon. Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  SBBG50957  Castilleja chromosa J. Doty 1969-4-19 627 Los Angeles E side of Bouquet Cyn Rd, 2.3 mi SW of jct with County Rd N-2 975 Comment
  CATA389  Castilleja exserta Mark L. Hoefs 1974-5-2 455 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  UC1334719  Castilleja exserta A. H. Gallup 1949-5-21 Los Angeles along mid-sw boundary, along s fence Los Angeles State and County Arboretum, Arcadia; Arcadia, Los Angeles State and County Arboretum Comment
  UCR274955  Castilleja exserta subsp. exserta Michael Honer, Rachel Woodard 2006-4-12 2182 Los Angeles Tehachapi Mountains area, Hills above Oso Cyn.; c. 1.5 miles NNW of Quail Lake, 2 miles west of cement plant rd. 1128 Comment
  CATA1000  Castilleja foliolosa Mark L. Hoefs 1994-7-18 1880 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA400564  Castilleja foliolosa Christopher Davidson 1973-4-6 1857 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UC1063298  Castilleja foliolosa G. T. Nordstrom 1935-1-18 325 Los Angeles 3.5 mi s Gorman; Tejon Quad. 1005 Comment
  UCR269132  Castilleja foliolosa Orlando Mistretta, Christine Mistretta 2011-6-16 5698 Los Angeles San Gabriel Mountains, northern edge of mountains, along Southern California Edison transmission line corridor, 0.5 air miles north of Aliso Canyon Road 1141 Comment
  RSA660877  Castilleja grisea Orlando Mistretta 1992-4-5 140 Los Angeles Guds, San Clemente Island. Comment
  SFV3339  Castilleja linariifolia M. L. Vincent 1962-10-4 296 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. On damp roadside bank. 1110 Comment
  RSA729726  Castilleja miniata subsp. miniata R. G. Swinney 1999-6-18 7326 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  UCR238996  Castilleja minor subsp. spiralis Anuja Parikh, Nathan Gale 2010-6-18 3329 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.2 km north of State Hwy 2, Angeles Crest Hwy, 0.3 km west of Upper Big Tujunga Canyon Road, under powerlines 1225 Comment
  POM15446  Castilleja minor subsp. spiralis L. R. Abrams 1901-4-5 1366 Los Angeles San Fernando Mts. Comment
  SBBG125831  Castilleja subinclusa subsp. subinclusa A. Parikh, N. Gale 2010-5-24 3212 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  UC592153  Caulanthus amplexicaulis Herbert L. Mason 1926-4-27 3039 Los Angeles Rock Creek San Gabriel Mts., Rock Creek Comment
  SBBG51624  Caulanthus lasiophyllus R. Gustafson, C. Davidson 1977-4-20 404 Los Angeles Escondido Cyn Rd ca. 1 mi NE of jct with Agua Dulce Cyn Rd 762 Comment
  UCSB12449  Caulanthus lasiophyllus Haines, Lee 1962-4-3 Los Angeles Mulholland Drive, 1 mile west of Toganga Boulevard; Santa Monica Mountains 365 Comment
  CAS-BOT-BC47949  Ceanothus arboreus Robert F. Thorne 1970-3-5 39368 Los Angeles Santa Catalina Island: Cherry Valley 60 Comment
  POM219993  Ceanothus arboreus F. R. Fosberg 1932-5-6 947 Los Angeles Santa Catalina Island. Mouth of Big Wash Canyon, Avalon. 20 Comment
  UCR124414  Ceanothus cordulatus B. C. Templeton 1932-5-31 4847 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA0056297  Ceanothus cordulatus Lee Haines 1935-07 s.n. Los Angeles San Gabriel Mts. Comment
  CAS-BOT-BC48747  Ceanothus crassifolius Carl B. Wolf 1932-3-4 2671 Los Angeles South base of San Gabriel Mts., Thompson Creek, 3-4 mi. No. of Claremont 457 Comment
  LA82214  Ceanothus crassifolius O. H. Kappler; 1941-3-26 148 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  RSA398854  Ceanothus crassifolius George B. Grant 1903-1 2547 Los Angeles Mt. Lowe Comment
  UCR111527  Ceanothus crassifolius A. C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR155626  Ceanothus cuneatus A. C. Sanders 2005-5-11 30138 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  CAS-BOT-BC49263  Ceanothus cuneatus C. F. Baker 1909-2-15 5237 Los Angeles unspecified Comment
  RSA399027  Ceanothus cuneatus var. cuneatus L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  RSA719472  Ceanothus impressus R. E. Riefner Jr. 06 -238 Los Angeles E. of Sunland, Verdugo Mountains, N side of 210 Freeway, W ca. 0.6 mi from the intersection of La Tuna Canyon Rd. with the 210-Freeway. 475 Comment
  CAS-BOT-BC50154  Ceanothus integerrimus Mrs. G. Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  UCSB31587  Ceanothus integerrimus Proctor, Donald 1962-5-4 Los Angeles Palmdale Rd. Approx. 5 miles from junction of Palmdale Rd. and Angeles Crest Hwy. San Gabriel Mt. 762 Comment
  SEINET5339321  Ceanothus integerrimus A. A. Davidson 1892-1 s.n. Los Angeles Wilson's Peak Comment
  CAS-BOT-BC50571  Ceanothus leucodermis Ernest C. Twisselmann 1959-6-2 5327 Los Angeles Summit of Liebre Mountain 1706 Comment
  RSA0083015  Ceanothus leucodermis R. G. Swinney 2010-3-18 11967 Los Angeles Lake View Terrace, SE end of Orcas Park in Hansen Dam Basin, within 10 meters of Salix riparian forest corridor in Big Tujunga Wash 323 Comment
  UC1211121  Ceanothus leucodermis Huron H. Smith 1912-4-30 4873 Los Angeles Mt. Wilson 1066 Comment
  UCR108372  Ceanothus leucodermis L. C. Wheeler 1961-6-13 7870 Los Angeles San Gabriel Mtns, Pacoima Canyon at Bad Canyon 1098 Comment
  SDSU10307  Ceanothus megacarpus D. F. Howe 1947-3-22 1515 Los Angeles Topango Canyon, about 3.0 miles from ocean. Comment
Read comments
May 22 2014
  SFV5519  Ceanothus megacarpus W. A. Kelley Mar 1969 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  SEINET12209921  Ceanothus megacarpus I. W. Clokey, Templeton, B. 1929-1 4507 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  CAS-BOT-BC51444  Ceanothus megacarpus var. megacarpus Carl B. Wolf 1932-5-10 3506 Los Angeles Santa Catalina Island. Avalon Canyon, above the last almond orchard 121 Comment
  RSA399735  Ceanothus oliganthus Howard Mullins 1931-3-18 169 Los Angeles Griffith Park. Comment
  RSA182196  Ceanothus oliganthus var. oliganthus James Henrickson 1963-4-30 1240 Los Angeles Evey Canyon, northeast of Claremont, along raod to Mt. Baldy. 762 Comment
  UCR129380  Ceanothus vestitus Orlando Mistretta, S. D. Boyd, D. L. Banks 1994-4-29 1096 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  CATA2946  Centaurea cyanus Sarah Ratay, Tyler Dvorak 2010-7-10 126 Los Angeles Santa Catalina Island: Airport Road above Whites Landing 410 Comment
  UCR129914  Centaurea diluta G. C. Fleischman 1952-6-9 s.n. Los Angeles Los Angeles, intersection of Antwerp & Imperial Aves. 29 Comment
  UCR280663  Centaurea melitensis R. G. Swinney 2014-5-21 16612 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA659540  Centaurea melitensis Monica Acosta 1998-5-19 11 Los Angeles The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  UCD130050  Centaurea melitensis Mark Hoefs; Doug Propst 1973-5-4 240 Los Angeles Santa Catalina Island, Indian Head Point. 60 Comment
  RSA202451  Centaurea repens R. L. Armacost 1960-9-27 1336 Los Angeles Santa Monica, alley near Washington Comment
  RSA156046  Centranthus ruber Peter H. Raven 1962-5-20 17764 Los Angeles Santa Catalina Island, just east of Avalon on Pebbly Beach Road. Comment
  RSA587350  Centrostegia thurberi Orlando Mistretta 1992-5-4 225 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UC1349358  Cerastium glomeratum Robert F. Thorne 1966-4-4 35759 Los Angeles bluff s.e. of Ballast Point and Catalina Harbor Isthmus; Santa Catalina Isl. 60 Comment
  UC284130  Cerastium glomeratum P. A. Munz 1923-4-10 6715 Los Angeles slope s. of Lemon Tank San Clemente Isl. Comment
  RSA598110  Ceratoides lanata Steve Boyd, Lauren Raz 1997-3-4 9158 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, east of Crown Valley and northwest of Acton Canyon, just north of Sierra Highway ca 0.8 miles east of Crown Valley Road., Near 34 deg 29' 38.9'' N 118 deg 11' 04.5''W. 926 Comment
  UCR224005  Cercocarpus betuloides Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11693 Los Angeles Transverse Ranges; Verdugo Mountains region, Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservency reserve lands. Comment
  POM148447  Cercocarpus betuloides var. betuloides J. B. Feudge 1924-6-10 838 Los Angeles Swartout Valley, San Gabriel Mts. 1753 Comment
  UCSB9369  Cercocarpus betuloides var. betuloides Lloyd, Robert 1959-3-24 Los Angeles Oak Flats Fire Station, 10 miles north of Castaic, on US Highway 99 822 Comment
  UC466614  Cercocarpus betuloides var. blancheae R. L. Pendleton 1909-7-4 1406 Los Angeles s of Avalon (Santa Catalina Island); Santa Catalina Island 365 Comment
  UC859432  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 5182 Los Angeles back of St. Catherine's Hotel (Avalon, Santa Catalina Island); Santa Catalina Island, Avalon 22 Comment
  RSA0080768  Cestrum nocturnum R. G. Swinney 2010-6-11 13247 Los Angeles Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mile north of Foothill Blvd. 184 Comment
  RSA584221  Chaenactis artemisiifolia Timothy S. Ross, Orlando Mistretta 1993-5-27 7326 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  UCR119738  Chaenactis fremontii B. G. Pitzer 1998-5-12 3679 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  UCD150980  Chaenactis glabriuscula D. S. Park 2010-4-29 66 Los Angeles Wildwood Canyon, found along trail and hillside. 429 Comment
  UCSB33231  Chaenactis glabriuscula Partsch, M. 1977-5-14 Los Angeles Along Boquet Canyon Road 2 mi. south of its junction with Elizabeth Lake Road 914 Comment
  CAS-BOT-BC277356  Chaenactis glabriuscula var. glabriuscula A. D. E. Elmer 1902-6-1 3702 Los Angeles Acton, Mt. Gleason Comment
  CHSC98403  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2001-5-6 381 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd city of Sun Valley. Sunny open southeast facing slope near ridgetop. Comment
  RSA0088569  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12699 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  SEINET3146215  Chaenactis santolinoides G. B. Grant 1904-1 164 Los Angeles Mt. Wilson, Pasadena Comment
  HSC104221  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  JEPS8877  Chaenactis stevioides Frank W. Peirson 1923-5-25 3522 Los Angeles Rock Creek San Gabriel Mountains, Rock Creek 1295 Comment
  SD253377  Chaenactis stevioides R. G. Swinney 2011-5-31 14929 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
  UCR205584  Chaenactis stevioides R. G. Swinney 2008-5-12 8829 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
  POM11706  Chaenactis xantiana P. A. Munz 1921-6-18 4647 Los Angeles San Antonio Mountains, head of Swartout Valley. 2072 Comment
  POM2847  Chamaesyce maculata George B. Grant 1904-9-2 427 Los Angeles Pasadena Comment
  UC303791  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1801 Los Angeles mouth Live Oak Canyon; San Antonio Mtns 457 Comment
  RSA199048  Chamaesyce melanadenia W. M. Gauntt 1966-4-30 178 Los Angeles Glendora Mt. Ridge Road, 4 miles southwest of Y' to Mt. Baldy 915 Comment
  SEINET6050487  Chamaesyce melanadenia Louis C. Wheeler 4211 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA606912  Chamaesyce serpens L. C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach. Comment
  CATA2920  Chamelaucium uncinatum Sara L. Crockett 1997-4-15 124 Los Angeles Santa Catalina Island: 326 Sumner Avenue 15 Comment
  SEINET3153755  Cheilanthes intertexta L. T. Stephenson sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] Comment
Read comments
Dec 17 2016
  UCR210071  Chenopodium A. C. Sanders 2009-11-6 37216 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA522952  Chenopodium ambrosioides T. S. Ross, Orlando Mistretta 1990-10-26 3315 Los Angeles off the N side of Horse Canyon saddle in upper reaches of Horse Canyon drainage 853 Comment
  UCR61046  Chenopodium ambrosioides R. G. Swinney 1989-7-17 s.n. Los Angeles San Gabriel Mtns., in and near Glendora [= Big Dalton] Wilderness Park, in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 610 Comment
  UCR176994  Chenopodium atrovirens Sharon Dougherty 2001-9-7 s.n. Los Angeles San Gabriel Mtns., Kratka Ridge 2134 Comment
  LA51483  Chenopodium berlandieri Peter H. Raven; Henry J. Thompson 1958-10-11 13751 Los Angeles Santa Monica Mountains, Tuna Canyon, Tuna Canyon Road 0.5 mi S of junction with Saddle Peak Rd 518 Comment
  SEINET12723482 Image available Chenopodium berlandieri R. G. Swinney 2011-1 15680 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  UCR247283  Chenopodium berlandieri Dan S. Cooper 2013-8-8 813- 49 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  SBBG37880  Chenopodium californicum R. Moran 1941-2-17 578 Los Angeles E side of ravine, Middle Ranch 500 Comment
  UCR205106  Chenopodium californicum R. G. Swinney 2008-4-16 8668 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon 341 Comment
  RSA527584  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4361 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UC1587730  Chenopodium californicum Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5103 Los Angeles above Nots Pier (on road near the top of eastern escarpment, 1400 ft nnw of the 553 ft BM); San Clemente Island 138 Comment
  RSA703175  Chenopodium fremontii Scott D. White 2004-8-11 10708 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UCR252771  Chenopodium murale R. G. Swinney 2010-3-10 11790 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  RSA609511  Chenopodium murale L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  RSA650316  Chenopodium murale Don Black 1948-4-20 s.n. Los Angeles Found 1 mi. North of 101 highway, El Rio. 22 Comment
  RSA229883  Chenopodium pratericola R. F. Thorne, C. W. Tilforth 1966-8-26 39928 Los Angeles 15 mi. W of Big Pines Comment
  UCR123264  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25487 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UC1971343  Chlorogalum pomeridianum Louis C. Wheeler 1973-8-2 Los Angeles SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge. Comment
  JEPS57638  Chorizanthe parryi var. fernandina Alice M. Ottley 1920-5-3 577 Los Angeles Little Tujunga Wash 335 Comment
  POM122490  Chorizanthe parryi var. parryi Marcus E. Jones 1936-5-1 s.n. Los Angeles Mountains near Claremont Comment
  CAS-BOT-BC257197  Chorizanthe procumbens Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  CAS-BOT-BC244798  Chorizanthe staticoides Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  IRVC26326  Chorizanthe staticoides A. C. Sanders, Andy Thompson 2003-4-15 26002 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA611010  Chorizanthe staticoides Louis C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 549 Comment
  RSA733725  Chorizanthe staticoides R. G. Swinney 2000-5-6 7667 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. 732 Comment
  UCR205862  Chorizanthe watsonii R. G. Swinney 2008-5-8 8802 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
  UCR186940  Chorizanthe xanti var. xanti A. C. Sanders 2006-4-25 32169 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR206467  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2009-5-20 36844 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  RSA623960  Chrysolepis sempervirens Arthur R. Kruckeberg 8639 Los Angeles Islip - San Gabriel Mts. 2512 Comment
  CAS-BOT-BC32822  Chrysothamnus corymbosus Adolph Daniel Edward Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  RSA718283  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney, Dave W. Larson 1996-7-17 5139 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  POM351993  Chrysothamnus nauseosus subsp. mohavensis George R. Johnstone 1929-9-8 s.n. Los Angeles Lancaster, Mojave Desert. Comment
  UCR223662  Cirsium occidentale R. G. Swinney 2009-6-12 11127 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR191259  Cirsium occidentale var. californicum R. G. Swinney 1998-7-2 6215 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  OBI16735  Cirsium occidentale var. occidentale Ron Pecoff 1961-5-1 s.n. Los Angeles Santa Monica Mts, Stunt Rd, near Saddle peak Comment
  POM352197  Cirsium occidentale var. occidentale Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  RSA151286  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles San Clemente Island. Small arroyo above Wilson's Cove 61 Comment
  SBBG95914  Cirsium occidentale var. occidentale M. B. Dunkle 1939-4-3 7227 Los Angeles Chenetti Cyn Comment
  UCR253908  Cirsium occidentale var. venustum Mitch Provance 2009-6-24 0609- 5 Los Angeles Western Transverse Range, Gorman, near Peace Valley Rd. crossing of Gorman School Rd., truck stop near Hungry Valley 1166 Comment
  SBBG113122  Cistanthe maritima S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 37 Los Angeles above W end of beach at Little Harbor 12 Comment
  RSA710329  Cistanthe monandra LeRoy Gross 2005-5-3 2197 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA39032  Cistanthe monandra E. A. Purer 1932-5-14 s.n. Los Angeles El Segundo. Comment
  RSA466632  Cistanthe monosperma Fred Burlew 2994 Los Angeles Mount San Antonio Comment
  RSA729682  Cistus ladanifer R. G. Swinney 1999-4-8 7075 Los Angeles Claremont, Palnmer Canyon. c. 100m east of Cobal Canyon. 512 Comment
  UCR229489  Clarkia Jeremiah George 2011-7-19 s.n. Los Angeles South Coast, Palos Verdes Estates, east of end of Via Tejon at Malaga Dune 62 Comment
  CAS-BOT-BC172432  Clarkia bottae Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Near Los Angeles Comment
  POM50320  Clarkia bottae L. R. Abrams 1901-6-4 1713 Los Angeles Los Tunas Canyon. Comment
  SD125704  Clarkia cylindrica K. Harper 1986-5-17 Los Angeles San Gabriel Mountains, Little tujunga to Sand Canyon Road, in the vicinity of Mendenhall Peak. Comment
  CAS-BOT-BC172254  Clarkia cylindrica subsp. cylindrica W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Liebre Campground, Liebre Mtn., Angeles National Forest 1645 Comment
  RSA658897  Clarkia cylindrica subsp. cylindrica Geraldine Dodd 1992-5-25 23 Los Angeles 2 miles north of Santa Anita Canyon Rd. from Sturtevant Dr. intersection. 457 Comment
  UC373503  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mi n Newhall Tunnel 500 Comment
  RSA660062  Clarkia dudleyana Matt Bogdanoff 1981-5-24 20 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  RSA678122  Clarkia dudleyana Valerie L. Soza, LeRoy Gross 2001-5-22 1239 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  CAS-BOT-BC163698  Clarkia purpurea subsp. quadrivulnera James L. Reveal 1988-5-17 6790 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction of 1127 Comment
  OBI5817  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles 3.5 mi from Avalon, (by rd) on way to Isthmus, Santa Catalina Isl. Near largest reservoir 366 Comment
  UCR277212  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-5-25 12946 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CAS-BOT-BC164724  Clarkia rhomboidea Geo. B. Grant 1902-6-10 648 Los Angeles Mt. Wilson 1828 Comment
  CAS-BOT-BC164874  Clarkia rhomboidea B. Miller; W. Griesel 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mtn. 1615 Comment
  RSA0066272  Clarkia similis Kay H. Beach 1942-5-29 637 Los Angeles 100 feet from Flume 4 in the San Dimas Experimental Forest, San Gabriel Mountains. Comment
  CAS-BOT-BC165509  Clarkia unguiculata Peter H. Raven 1959-5-9 14163 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek Drainage 274 Comment
  RSA73363  Clarkia unguiculata F. W. Peirson 1920-5-16 2086 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  UCD105059  Clarkia unguiculata Daryl Koutnik 1978-6-3 516 Los Angeles Dry Canyon-Cold Creek Road. 304 Comment
  UCSB30839  Clarkia unguiculata Coz, Susan 1977-6-4 Los Angeles 5 miles north on Malibu Canyon Road from HWY 1 on east side of road, across from Tapia Park 182 Comment
  UCSB70463  Clarkia unguiculata Gross, LeRoy; Soza, Valerie 2001-6-6 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Wildwood Fire Road off of Verdugo Mountain Way dirt fire road; Burbank 488 Comment
  UCR192163  Claytonia parviflora A. C. Sanders 2008-4-18 34966 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  UCR217429  Claytonia parviflora R. G. Swinney 2009-2-26 10041 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  RSA716642  Claytonia parviflora Andrea Edwards, Pam De Vries 2005-3-29 53 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA613726  Claytonia parviflora subsp. utahensis L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  CATA1558  Claytonia perfoliata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2825 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  RSA0107837  Claytonia perfoliata Steven A. Junak 2000-5-19 SCa- 1328 Los Angeles Santa Catalina Island. SE portion of 1999 burn, above Goat Harbor, ca. 0.76 mi. SSW of Goat Harbor. 438 Comment
  CAS-BOT-BC439912  Claytonia perfoliata subsp. intermontana C. F. Baker 1904-4-22 4726 Los Angeles Monrovia Comment
  RSA276907  Claytonia perfoliata subsp. intermontana J. M. Miller 1977-3-28 624 Los Angeles San Gabriel Mountains: Upper Arroyo Seco watershed on Highway 2 (Angeles Crest Highway). Comment
  SBBG31339  Claytonia perfoliata subsp. mexicana R. F. Thorne 1966-4-7 Los Angeles Cherry Valley 60 Comment
  SBBG38805  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1939-4-3 7224 Los Angeles Chenetti Cyn Gorge Comment
  RSA19875  Claytonia perfoliata subsp. mexicana I. W. Clokey, Bonnie C. Templeton 1929-03 4526 Los Angeles Mandeville Canyon. 365 Comment
  UC56763  Claytonia perfoliata subsp. mexicana Ernest Braunton 1902-3-30 164 Los Angeles Elysian Hills Comment
  CAS-BOT-BC443734  Claytonia rubra subsp. rubra John H. Thomas 1957-5-8 6736 Los Angeles San Gabriel Mountains. About 13 miles NE of center of Pasadena. 1676 Comment
  RSA0013162  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2011-7-13 5942 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA396476  Clematis lasiantha Walter Wisura, A. Liston, S. D. Boyd 1987-4-30 4147 Los Angeles 8.6 miles from Rincon Forest Station along Rincon-Red Box forest road. San Gabriel Mountains. Comment
  SD187466  Clematis lasiantha Valerie Soza, Miriam Soza 2003-3-26 1622 Los Angeles Verdugo Mtns Region; western San Rafael Hills; Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr. SSW of Flint Peak 563 Comment
  UCR238471  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-5 2654 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  RSA762170  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-13 3047 Los Angeles Grizzly Flat Road, vicinity of Dark Cyn, Arroyo Seco Canyon drainage. 949 Comment
  RSA386280  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash 107 Comment
  RSA440830  Cleome isomeris F. R. Fosberg 1931-4-12 S- 4579 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  SBBG15796  Collinsia bartsiifolia var. davidsonii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  RSA596924  Collinsia heterophylla Scott D. White, Chet McGaugh 1995-5-9 2982 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. 457 Comment
  SBBG95607  Collinsia heterophylla M. B. Dunkle 1939-4-6 7295 Los Angeles Mosquito Harbor Comment
  RSA408260  Collinsia heterophylla Louis C. Wheeler 1933-5-5 1695 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  RSA579472  Collinsia heterophylla var. austromontana Tim S. Ross, Steve D. Boyd 1994-5-10 7725 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA0117322  Collinsia parryi Steve D. Boyd, Lauren Raz 1997-3-31 9409 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. 914 Comment
  SBBG129317  Collinsia parryi A. Parikh, N. Gale 2012-5-2 3583 Los Angeles W Fork San Gabriel River, 1.0 km E of Cogswell Dam 643 Comment
  RSA0117337  Collinsia parryi Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  RSA567163  Collomia grandiflora T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3899 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR147612  Colutea arborescens Naomi Fraga, B. Hogshead 2004-4-23 1101 Los Angeles Transverse Ranges; San Gabriel Mountains, along the lower part of Josephine Peak Road near its intersection with Angeles Forest Hwy 1098 Comment
  HSC18593  Comarostaphylis diversifolia subsp. planifolia G. E. Anderson 1966-4-6 48 Los Angeles 1 mi. S of Topanga near Hwy. 27 Comment
  POM223076  Conium maculatum L. C. Wheeler 1933-7-7 1916 Los Angeles Lexington Wash near El Monte. 73 Comment
  UC1605247  Conium maculatum Tim Ross 1992-6-15 6559 Los Angeles Whittier Hills (local name for w extremity of Puente Hills), upper end of Turnbull Canyon Turnbull Canyon; Whittier Hills, Turnbull Canyon 298 Comment
  JEPS34582  Constancea nevinii W. L. Jepson 1908-7-14 3050 Los Angeles Avalon Catalina Island, Avalon Comment
  SBBG31502  Constancea nevinii R. M. Beauchamp 1967-3-20 352 Los Angeles above beach rd between Avalon and Abalone Pt Comment
  SBBG93454  Constancea nevinii J. C. Nevin -- Los Angeles San Clemente Island Comment
  NY643142  Convolvulus arvensis L. T. Chamberlain s.n. Los Angeles Comment
  RSA394786  Convolvulus arvensis F. R. Fosberg 1930-6-26 53009 Los Angeles Lower Ballona Creek 8 Comment
  RSA598914  Conyza bonariensis R. G. Swinney 1969-6-13 596 Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. Approximately 1/2 mi. N of Sierra Madre Ave, on Easley Canyon Road 335 Comment
  RSA412321  Cordylanthus nevinii Christopher Davidson 1974-8-1 2519 Los Angeles On Angeles Crest Highway, west of Islip Saddle, opposite Kratka Ridge Ski Lift. Angeles National Forest 2134 Comment
  JEPS70072  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-30 2852 Los Angeles 10 air mi nw Castaic (Oak Flats Campground n of Whitaker summit) 640 Comment
  UC472178  Cordylanthus rigidus subsp. setiger J. Ewan 1931-10-24 5268 Los Angeles 1 mi above Malibu Lake; Santa Monica Mts. Comment
  UC1563086  Coreopsis bigelovii Steve Boyd and Orlando Mistretta 1986-5-31 1525 Los Angeles 4 mi e of jct with Highway 18 Highway 138 (ne of Pinyon Hills); Mojave Desert 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
  POM356025  Coreopsis gigantea Alice Jane Merritt 1894-4-8 s.n. Los Angeles Catalina Island Comment
  CAS-BOT-BC105676  Corethrogyne filaginifolia W. R. Dudley 1907-11-1 s.n. Los Angeles Near Monrovia Comment
  CAS-BOT-BC105694  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Liebre Mountains - Leona Valley 929 Comment
  JEPS30657  Corethrogyne filaginifolia Peter H. Raven and Henry J. Thompson 1959-9-18 14431 Los Angeles near Beverly Glen Boulevard Santa Monica Blvd.; Santa Monica Mts. 76 Comment
  LA205796  Corethrogyne filaginifolia Harlan Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  OBI35708  Corethrogyne filaginifolia Rebecca Cicoria 1982-4-25 48 Los Angeles Palos Verdes Peninsula: George F. Cyn, Rolling Hills Comment
  RSA397678  Cornus sericea subsp. occidentalis Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo Woodlands Comment
  CATA3168  Corymbia ficifolia Julia Parish, Margie Pfeffer 2016-6-23 003 Los Angeles Santa Catalina Island: Hogsback gate 152 Comment
  LA94420  Cotula australis 1940-2-24 1082 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  LA88553  Cotula coronopifolia O. H. Kappler; 1943-5-9 406 Los Angeles 6 Comment
  RSA785525  Cowania mexicana var. stansburyana Doris Bowers 1957-4-25 831 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  SBBG70342  Crassula connata M. N. Ackley 1928-5-12 113 Los Angeles Eaton Wash 365 Comment
  JEPS50003  Crassula connata var. erectoides Frank W. Peirson 1920-4-26 2112 Los Angeles Santa Anita Wash San Gabriel Mts., Santa Anita Wash 213 Comment
  RSA251454  Crassula connata var. erectoides R. F. Thorne 1966-4-17 36119 Los Angeles San Clemente Island, upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
  UCR50917  Crassula tetragona A. C. Sanders 1988-5-18 7846 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR142754  Crassula tillaea L. C. Wheeler 1967-4-20 9188 Los Angeles San Gabriel Valley, Claremont, roadway south of tree border, south of parking lot at Rancho Santa Ana Botanic Garden 396 Comment
  POM6249  Crepis acuminata I. M. Johnston 1922-8-22 1650 Los Angeles Pine Mountain Ridge 2499 Comment
  RSA202457  Cressa truxillensis A. L. (Illegible) 1956-10-1 740 Los Angeles near 17th & Marine, Venice. Comment
  UC557670  Cressa truxillensis Nell Murbarger April, 1936 213 Los Angeles near tide line s. end of San Clemente Isl. Comment
  CATA418  Crossosoma californicum Sara L. Crockett, Michael Daligdig 1996-12-7 555 Los Angeles Santa Catalina Island: 2.0 miles E of USC Marine Center on Two Harbors Road (from Little Harbor); (37)01(000) Northing, (3)62(500) Easting 335 Comment
  POM296511A  Crossosoma californicum Lyman Benson 1953-5-2 15113 Los Angeles Catalina Island. White's Landing 15 Comment
  UC1234630  Crossosoma californicum Peter H. Raven 1962-5-22 17842 Los Angeles Middle Ranch Santa Catalina Island 213 Comment
  RSA480556  Croton californicus var. californicus Richard Arnold 1984-8-10 1030 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3 Comment
  RSA604529  Crypsis vaginiflora Mark Hoefs, R. F. Thorne, Janet Takara, M. Gay 1995-7-27 2491 Los Angeles Santa Catalina Island, Upper Bulrush Reservoir. 293 Comment
  SBBG113286  Crypsis vaginiflora S. A. Junak with M. L. Hoefs 1997-6-4 SCa 424 Los Angeles W side of Little Springs Reservoir 131 Comment
  RSA0110916  Cryptantha R. G. Swinney 2011-6-7 1508 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. 1768 Comment
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Feb 19 2020
  UCR260892  Cryptantha A. C. Sanders 2008-4-10 34817 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
  RSA316341  Cryptantha circumscissa R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54953 Los Angeles 1/4-1/2 mi N of Bob s Gap, N slope of Holcomb ridge, c. 2 1/2 mi due S of Llano, E of Bob's Gap Rd 1159 Comment
  JEPS127385  Cryptantha clevelandii Robert Steers 2004-12-23 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes. Comment
  LA94293  Cryptantha clevelandii Harlan Lewis; 1940-4-3 1282 Los Angeles Santa Monica Mountains, 10 mi. N [W] of Malibu Beach Comment
  RSA0031373  Cryptantha clevelandii Steve Boyd, Lauren Raz 1997-5-29 9905 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail., Near 34 deg 44' 32.7''N 118 deg 38' 27.8''W 1158 Comment
  UCR141319  Cryptantha decipiens R. F. Thorne, Et al. 1970-5-1 39531 Los Angeles Mojave Desert/San Gabriel Mtns., along road to Valyermo c. 1 mi east of Pallett Ranch at foot of grade N of Pinyon Pine Ridge in Shoemaker Canyon 1402 Comment
  RSA650999  Cryptantha intermedia Marion P. Harthill 1972-5-22 s.n. Los Angeles Hist. Monument Hwy. 138. 1188 Comment
  UCR146877  Cryptantha intermedia L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, c. 0.5 mi [southeast] of Blum Ranch 945 Comment
  RSA603903  Cryptantha micromeres L. C. Wheeler 1975-6-8 s.n. Los Angeles Cane Creek 1189 Comment
  LA47629  Cryptantha microstachys Henry J. Thompson; 1960-5-14 3065 Los Angeles Santa Monica Mountains, Saddle Peak, along road to fire lookout tower, N of ridge NE of peak 731 Comment
  RSA0076013  Cryptantha microstachys R. G. Swinney 2010-4-13 12209 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA596887  Cryptantha microstachys T. S. Ross, J. Mark Porter 1995-5-4 8519 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR258804  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 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
  RSA0092501  Cryptantha muricata R. G. Swinney 2011-6-22 15246 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. 1780 Comment
  SFV6286  Cryptantha muricata M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains Oat Mountain. Junction of Browns Canyon Road and main ridge road. 1059 Comment
  UCR272512  Cryptantha muricata R. G. Swinney 2011-5-26 14845 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
  RSA0079454  Cryptantha muricata var. jonesii P. A. Munz, R. D. Harwood 1920-5-15 3953 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA718214  Cryptantha oxygona R. G. Swinney 1997-6-13 5578 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  SBBG63847  Cryptantha oxygona R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA0116171  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-19 14397 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
  UCR258739  Cryptantha pterocarya var. pterocarya R. G. Swinney 2010-5-19 12815 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
  SDSU5414  Cryptantha traskiae R. M. Beauchamp 1967-1-28 132 Los Angeles 1/2 mile south of Eel Point; San Clemente Island. Comment
  POM156360  Cucurbita foetidissima L. R. Abrams 1902-6-10 s.n. Los Angeles Near Playa del Rey. Comment
  SEINET3162000  Cucurbita foetidissima G. B. Grant 243 Los Angeles Pasadena Comment
  SD69638  Cuscuta Robert F. Thorne 1966-4-29 36312 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 409 Comment
  UCD126255  Cuscuta californica Daryl Koutnik 1978-6-25 564 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  RSA746562  Cuscuta californica var. californica Orlando Mistretta 1992-8-17 749 Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  SFV21096  Cuscuta campestris L. Gross, W. Law 2000-8-8 253 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  CDA39953  Cuscuta campestris L. C. Wheeler 1965-10-6 s.n. Los Angeles Devil s Gate Dam: Pasadena 0 Comment
  RSA607461  Cuscuta campestris L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  UCR193644  Cuscuta indecora A. C. Sanders 2008-7-10 35731 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA608446  Cuscuta subinclusa L. C. Wheeler 1946-8-29 6312 Los Angeles San Gabriel Mountains: Vincent Gap. 2011 Comment
  RSA774171  Cuscuta subinclusa R. G. Swinney 2009-7-22 11354 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA70358  Cycladenia humilis var. venusta F. W. Peirson 1905-7-14 4470 Los Angeles Baldy and North Baldy Comment
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Nov 30 2015
  SD111591  Cycladenia humilis var. venusta Wayne P. Armstrong 1982-6-27 Los Angeles On steep ridge just below summit of Mt Baden Powell 2745 Comment
  UCR150572  Cycladenia humilis var. venusta L. C. Wheeler 1970-7-26 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, c. 0.3 mi south of Mount Hawkins 2530 Comment
  SEINET9193610 Image available Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2014-1 18262 Los Angeles San Gabriel Mountains, Grandview Canyon, 15km SE of Pearblossum, 40km north of Pomona 1460 Comment
  UCR205547  Cynara cardunculus A. C. Sanders, T. B. Salvato 2009-5-29 37038 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  RSA0085496  Cynara scolymus R. G. Swinney 2010-6-23 13334 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. Along equestrian trail (several plants in yard c. 0.2 miles to the NW), due s. of Christy Ave. 331 Comment
  UCR132292  Cyperus eragrostis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UC837687  Cyperus esculentus Louis C. Wheeler 1932-8-9 1127 Los Angeles 2 mi. s.w. Azusa 106 Comment
  JEPS313  Cystopteris fragilis Ernest Braunton 1932-3-27 1068 Los Angeles San Dimas Canyon; San Gabriel Mts 1066 Comment
  RSA229195  Cystopteris fragilis R. F. Thorne, C. W. Tilforth 1971-6-30 40791 Los Angeles San Gabriel Mountains. 1554 Comment
  RSA587994  Cystopteris fragilis Orlando Mistretta, Timothy S. Ross 1994-6-1 1301 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  RSA729938  Datisca glomerata R. G. Swinney, D. W. Larson 1999-6-25 7418 Los Angeles San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat 1280 Comment
  POM265696  Datisca glomerata J. C. Roos 1942-6-6 986 Los Angeles Placerita Canyon Comment
  RSA431664  Datisca glomerata Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  UC1870295  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway 914 Comment
  LA102227  Daucus pusillus Barry A. Prigge; 1985-6-14 6393 B Los Angeles Santa Monica Mountains, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site 658 Comment
  RSA714875  Daucus pusillus A. C. Sanders 2003-5-22 26819 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  UC1215122  Deinandra clementina Peter H. Raven 1962-7-11 18013 Los Angeles Wilson Cove San Clemente Island, Wilson Cove 60 Comment
  UC1375366  Deinandra clementina C. Davidson 1971-5-7 1522 Los Angeles Catalina Is. Isthmus Cataline Harbor Catalina Is. Isthmus Comment
  UC1408993  Deinandra clementina Robert F. Thorne 1973-4-12 42888 Los Angeles plateau near Cutlass (above old dam); San Clemente Island 198 Comment
  SBBG13785  Deinandra fasciculata M. A. Piehl 1962-10-3 62490 Los Angeles near main rd over N part of Swains Cyn 381 Comment
  SFV5395  Deinandra kelloggii J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles Mojave Desert Near Pearblossom. Area later destroyed in construction of water project reservoir. 915 Comment
  RSA549162  Delphinium cardinale Tim S. Ross, Peter Fritsch 1990-6-20 3697 Los Angeles San Gabriel Mountains: Forest Service Road 1N36 heading S from Rincon-Red Box Road; W side of Van Tassel Canyon 473 Comment
  RSA0005313  Delphinium cardinale Anstruther Davidson 1927-07 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  OBI60237  Delphinium parishii Suzan Barth, Steven Korenstein 1994-5-18 22 Los Angeles Towsley Cyn. Ed David Park 225 m from upper trl 340 Comment
  CAS-BOT-BC7961  Delphinium parishii subsp. parishii R. G. Swinney 1998-7-14 6435 Los Angeles San Gabriel Mountains, Pine Mountain Ridge, 0.2-0.3 mi. W of Camp Lupine trail 2247 Comment
  RSA600075  Delphinium parishii subsp. parishii Steve Boyd, Lauren Raz 1997-5-20 9830 Los Angeles Liebre Mountains region: ''Radio Tower Summit'' of Liebre Mountain on the divide between Horse Camp Canyon and Castaic Creek drainages. 1756 Comment
  UCR127051  Delphinium parryi 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
  CAS-BOT-BC116279  Delphinium parryi subsp. parryi George B. Grant 1901-6-7 s.n. Los Angeles Laurel Canon Comment
  LA52178  Delphinium parryi subsp. parryi A. M. Johnson; 1934-5-4 4468 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  SBBG55838  Delphinium parryi subsp. parryi L. Topp 1967-5-22 175 Los Angeles SE of Foothill and Mills, Claremont 396 Comment
  UCR213241  Delphinium patens Dan S. Cooper 2010-4-9 20100409- 29 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  LA52169  Delphinium patens subsp. hepaticoideum Martha Hilend; 1928-4-18 194 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR191522  Delphinium patens subsp. montanum R. G. Swinney 1998-7-8 6305 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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Jun 10 2017
  UCR124704  Dendromecon rigida B. C. Templeton 1932-6-1 4866 Los Angeles San Gabriel Mtns., Swarthout Valley, Angeles National Forest 2012 Comment
  RSA188918  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Percy C. Everett 1965-6-22 34845 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  RSA598352  Descurainia sophia L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  RSA235158  Dicentra chrysantha David Wheat 1972-8-20 737 Los Angeles Palmer Canyon, San Gabriel Mountains. 610 Comment
  UC1871177  Dichelostemma capitatum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4818 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC843541  Dichelostemma capitatum Ira W. Clokey, B. Templeton Apr 1929 4440 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  UCR219422  Dichelostemma capitatum R. G. Swinney 2009-4-1 10232 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  UCR223098  Dichelostemma capitatum R. G. Swinney 2009-6-2 11016 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
  SDSU11652  Dichelostemma capitatum R. M. Beauchamp 1967-1-27 104 Los Angeles Common of grassy slope east of Wilson Cove area. Only old infls. present. San Clemente Island. Comment
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Oct 13 2011
  RSA347519  Dichelostemma capitatum subsp. capitatum B. A. Prigge 1986-3-19 6930 Los Angeles Santa Monica Mts: 0.3 mile west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA733081  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2001-4-18 7897 Los Angeles Mojave Desert: Valyermo area, ridge top c. 500 m east of south end of Bobs Gap. 1311 Comment
  POM292882  Dichondra occidentalis Lyman Benson 1953-5-2 15107 Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  CAS-BOT-BC209062  Digitaria sanguinalis Peter H. Raven; Henry J. Thompson 1959-9-18 14440 Los Angeles Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles - Santa Monica Mountains 76 Comment
  CAS-BOT-BC152892  Diplacus brevipes Geo. L. Moxley 1922-5-1 s.n. Los Angeles Mint [Canon] Canyon Comment
  CAS-BOT-BC153184  Diplacus johnstonii Frank W. Peirson 1920-6-10 196 Los Angeles Divide between Mt. Lowe and Mt. Markham 1645 Comment
  CAS-BOT-BC150652  Diplacus longiflorus C. B. Wolf; P. C. Everett 1939-10-17 9540 Los Angeles Base of Santa Susana Pass Comment
  CAS-BOT-BC150665  Diplacus longiflorus Louis C. Wheeler 1932-7-2 885 Los Angeles E. Fork San Dimas Canyon, San Gabriel Mts. 762 Comment
  SEINET3148441  Diplotaxis tenuifolia G. B. Grant 1901-1 287 Los Angeles Pasadena Comment
  UCR101259  Diplotaxis tenuifolia L. C. Wheeler 1946-11-11 6443 Los Angeles City of Los Angeles at New Depot St. and Figueroa. 112 Comment
  SEINET4567381  Distichlis spicata G. Grant 1904-6-5 289 Los Angeles Redondo Comment
  SBBG44364  Dithyrea californica G. Sphon, D. Hearn 1956-5-30 17 Los Angeles Black Butte Comment
  RSA249737  Dodecatheon clevelandii subsp. insulare Robert F. Thorne, M. Z. Thorne 1973-2-12 42465 Los Angeles Blue Cavern Point, Santa Catalina Island. 61 Comment
  RSA732938  Dodecatheon redolens R. G. Swinney 1999-8-14 7631 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA642030  Draba corrugata var. corrugata Orlando Mistretta 1993-6-24 887 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. 2453 Comment
  POM6828  Draba cuneifolia var. integrifolia P. A. Munz, L. T. Street, Williams 1919-3-15 2412 Los Angeles South Hills, Pomona. Comment
  CAS-BOT-BC435200  Drosanthemum floribundum G. P. Rixford 1914-5-1 s.n. Los Angeles Avalon, Catalina Island Comment
  RSA585405  Drymocallis glandulosa var. reflexa Tim S. Ross, Steve D. Boyd 1990-5-29 2712 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  UC1971144  Drymocallis glandulosa var. reflexa Scott D. White, D. E. Bramlet 1998-6-29 6834 Los Angeles West of Mt. Islip: just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  UC440437  Drymocallis glandulosa var. wrangelliana H. Anderson, Carl Epling 1930-5-30 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon (Southern California) Comment
  RSA675014  Dryopteris arguta LeRoy Gross 2003-2-22 741 Los Angeles South side; Along Brand Canyon (fire burned this area in Summer-fall of 2002). Above the falls area up the west fork drainage area of Brand Canyon. 479 Comment
  RSA693687  Dryopteris arguta Kenneth A. Wilson 1994-7-9 2454 Los Angeles Malibu Creek State Park, southwest end of Century Lake Comment
  POM158072  Dudleya cymosa subsp. pumila L. R. Abrams 1902-7-1 2623 Los Angeles Little Santa Anita Canyon 914 Comment
  SBBG125331  Dudleya cymosa subsp. pumila A. Parikh, N. Gale 2010-6-29 3371 Los Angeles Upper Glen Cyn, 0.5 km N of Monrovia Peak, just S of Rincon Red Box Rd 1460 Comment
  UC212663  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 Los Angeles w end Ontario Peak; San Antonio Mtns 1828 Comment
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May 13 2016
  LA210122  Dudleya lanceolata K. Nakai; B. Broadbent 1980-5-4 595 Los Angeles Santa Monica Mountains, Malibu creek state park, ca 1375 m SE of the junctin of Cornell Rd. and Mulholland Hwy 250.0 Comment
  UC2059989  Dudleya lanceolata K. Nakai 1981-6-24 778 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  RSA422246  Dudleya lanceolata F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo 15 Comment
  UCD101933  Dudleya multicaulis P. C. Everett 1960-5-6 24107 Los Angeles Way Hill, S. Side of Gladstone Road, San Dimas. Comment
  UC1215222  Dudleya virens Peter H. Raven 1962-7-10 17984 Los Angeles canyon below Lemon Tank; San Clemente 228 Comment
  CAS-BOT-BC109752  Dudleya virens subsp. insularis Reid Moran 1972-5-27 19143 Los Angeles Just east of Point Vicente. 5 Comment
  RSA656232  Dysphania botrys Joseph M. Keefe 1978-6-10 23370 Los Angeles Verdugo Mountains: south east corner of Physics-Biology Building, Glendale, 1500 North Verdugo Road. 183 Comment
  CDA1984  Echinochloa colona L. C. Wheeler 1970-10-15 s.n. Los Angeles Los Angeles: Huntington Drive and Collis Avenue. 0 Comment
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Oct 17 2014
  CAS-BOT-BC197144  Echinochloa crus-galli Cecil Hart 1921-7-1 4 Los Angeles Howard & Smith's nursery, Montebello Comment
  UCR248237  Egeria densa J. L. Johnson, Mike Kepper 1977-8-9 s.n. Los Angeles San Marino, Huntington Gardens Comment
  RSA0036148  Ehrharta calycina A. C. Sanders 1988-5-18 7849 Los Angeles El Degundo Dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. Comment
  SBBG92150  Ehrharta calycina A. C. Sanders 1988-5-18 7849 Los Angeles El Segundo dunes immediately W of Los Angeles InterNat Airport and E of Vista del Mar Blvd [above the end of World Way West] Comment
  UCR242055  Eleocharis acicularis Dan S. Cooper 2012-8-3 812- 52 Los Angeles Los Angeles Basin, Sepulveda Basin along unchannelized portion of Los Angeles River c. halfway between Balboa Blvd and Burbank Blvd 206 Comment
  UCR94670  Eleocharis macrostachya A. C. Sanders, E. J. Lott 1993-5-6 13972 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SEINET7586257 Image available Eleocharis macrostachya Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains, west fork of Morgan Canyon near Ferguson Motorway. 434 Comment
  CAS-BOT-BC113165  Eleocharis palustris LeRoy Abrams 1903-3-1 851 Los Angeles Echo Park Comment
  UCR125148  Eleocharis parishii A. C. Sanders, Mark Elvin 2002-6-25 25287 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  CAS-BOT-BC208521  Elymus W. R. Dudley 1900-7-9 s.n. Los Angeles Between Mt. Markham and San Gabriel Peak. Comment
  CAS-BOT-BC207374  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Black Butte Basin Road at its intersection with Avenue 'U', NW corner, 0.85 mile and ca 152 deg. SW of Three Sisters buttes, Mojave Desert 960 Comment
  RSA621307  Elymus elymoides subsp. elymoides L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Spring Canyon at Santa Clara Divide Road., [Correct TRS should be 4N 14W S36 NW1/4] 1303 Comment
  UCR281592  Elymus elymoides subsp. elymoides R. G. Swinney 2014-4-30 16304 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA126720  Elymus glaucus P. H. Raven 1959-5-9 14162 Los Angeles Santa Monica Mountains. Mulholland Hwy 1 mile W of Las Virgenes Road. Malibu Creek drainage, 274 Comment
  UC205193  Elymus glaucus D. L. Crawford 1916-5-20 Los Angeles mts. above Claremont Comment
  CAS-BOT-BC206737  Elymus glaucus subsp. glaucus Timothy S. Ross; J. Mark Porter 1995-5-4 8485 Los Angeles Ca 3.6 road miles NE of Bouquet Canyon Road, TExas Canyon - Liebre Mountains 682 Comment
  LA14782  Elymus glaucus subsp. glaucus A. M. Johnson; 1937-10-13 40 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Arroyo S of bridge. Comment
  SEINET4208315  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon.; 0 518 Comment
  UCR50877  Elymus triticoides A. C. Sanders 1988-5-18 7841 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR155595  Encelia actoni A. C. Sanders, Helen Kennedy 2005-4-13 29452 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC131218  Encelia californica H. A. Thomas; J. H. Thomas 1954-3-27 485 Los Angeles West Zuma Beach, 8 miles east of Ventura - Los Angeles County line Comment
  UC1302369  Encelia californica Robert F. Thorne and P. Everett 1964-2-6 33283 Los Angeles w of Catalina Harbor (at Isthmus); Santa Catalina Island 7 Comment
  SEINET7837722  Encelia farinosa Unknown 1973-5-16 Los Angeles San Gabriel Mountains. Mouth of Van Tassel Canyon. Comment
  CAS-BOT-BC81811  Ephedra nevadensis H. E. Hasse 1893-5-21 s.n. Los Angeles Acton Comment
  NY70329  Ephedra nevadensis L. S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 1585.0 Comment
  NY70347  Ephedra nevadensis R. F. Thorne 1970-5-1 39540 Los Angeles Along road to Valyermo ca. 1 mile east of Pallett Ranch north of Pinyon Risge; at foot of grade in Shoemaker Canyon 1402.1 Comment
  RSA300472  Ephedra nevadensis John Dourley, Walter Wisura 1982-6-16 3834 Los Angeles Little Rock Creek Comment
  RSA383902  Ephedra nevadensis L. E. Hoffman 1931-11-9 s.n. Los Angeles Near Lancaster, Mohave Desert. Comment
  UC569523  Ephedra viridis G. T. Nordstrom 1935-3-24 408 Los Angeles 1.75 mi se of the mouth of Beartrap Canyon (Beartrap Canyon a tributary of Piru Creek) 792 Comment
  CAS-BOT-BC166220  Epilobium canum subsp. canum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC166255  Epilobium canum subsp. canum Louis C. Wheeler 1931-11-11 346 Los Angeles N side Santa Monica Mts. near Girard 457 Comment
  CAS-BOT-BC166262  Epilobium canum subsp. canum J. Ewan 1931-10-24 5289 Los Angeles East Fork Dume Canyon, Santa Monica Mts. 426 Comment
  POM211810  Epilobium canum subsp. canum S. F. Blake 1910-7-23 438 Los Angeles Los Angeles. Comment
  POM265816  Epilobium canum subsp. canum J. C. Roos 1941-10-11 866 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  RSA0094178  Epilobium canum subsp. canum R. G. Swinney 2011-11-3 15998 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
  RSA133433  Epilobium canum subsp. canum Peter H. Raven, H. J. Thompson 1959-9-27 25600 Los Angeles Sepulveda Canyon. Santa Monica Mountains. 244 Comment
  UCR190916  Epilobium ciliatum R. G. Swinney 1998-7-10 6365 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  JEPS39297  Epilobium ciliatum subsp. ciliatum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  RSA448474  Epilobium ciliatum subsp. ciliatum F. R. Fosberg, Joseph A. Ewan 1931-8-13 4962 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA755849  Epilobium glaberrimum R. G. Swinney 2008-7-2 9139 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  LA94794  Epipactis gigantea Peter H. Raven; Henry J. Thompson 1960-7-17 15541 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA607563  Epipactis gigantea Louis C. Wheeler 1964-5-9 8472 Los Angeles San Gabriel Mountains: South side San Gabriel Canyon, about 1/4 mile upstream from mouth. Comment
  CAS-BOT-BC58001  Equisetum I. M. Johnston 1917-8-24 1723 Los Angeles San Antonio Mountains. 1981 Comment
  RSA702176  Equisetum arvense Scott D. White 2004-8-20 10731 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  SDSU272  Equisetum arvense A. H. Gallup 1949-4-17 406 Los Angeles Lasca-- around the lake. 152 Comment
  SEINET13203282 Image available Equisetum laevigatum R. G. Swinney 2011-1 14757 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  UC57326  Equisetum laevigatum Ernest Braunton 1902-5-10 290 Los Angeles Rivera Comment
  UCR125248  Eragrostis mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25534 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Potrero Mesa,' north of the mouth of Potrero Canyon, above the Santa Clara River 366 Comment
  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
  RSA77198  Eremalche exilis Margaret Stason, F. Brubaker 1930-5-18 8946 Los Angeles near Lancaster Comment
  LA32284  Eremocarpus setiger Peter H. Raven; Henry J. Thompson 1959-10-18 14682 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  CHSC92516  Eremogone macradenia var. arcuifolia Colby J. Boggs 2005-4-24 62 Los Angeles Liebre Mountain, Angeles National Forest. 1694 Comment
  CAS-BOT-BC162728  Eremothera boothii subsp. decorticans Louis C. Wheeler 1973-5-6 s.n. Los Angeles Between Little Tujunga and Oliver Canyons - San Gabriel Mountains 556 Comment
  UCR282002  Eremothera refracta R. G. Swinney 2014-5-1 16319 B Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA0108911  Eriastrum densifolium subsp. austromontanum Mark Brunell 1993-7-16 137 Los Angeles San Jacinto Mts. Thomas Mtn Road 1.5 km west of thomas Mtn. Campground, both sides of road. 1939 Comment
  SBBG129306  Eriastrum densifolium subsp. austromontanum A. Parikh, N. Gale 2012-6-24 3594 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of State Hwy 2 (Angeles Crest Hwy); San Gabriel Mtns 1317 Comment
  UC23520  Eriastrum densifolium subsp. austromontanum J. H. Barber 1897-6-22 202 Los Angeles Aliso Canyon Comment
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Mar 5 2009
  RSA0107953  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  RSA0107975  Eriastrum densifolium subsp. austromontanum F. W. Peirson 1928-9-4 8181 Los Angeles Wash about 0.5 mile above Saugus. Comment
  UCR128260  Eriastrum densifolium subsp. densifolium Mark A. Elvin, Cathleen Weigand 2003-5-22 2909 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UC130860  Eriastrum pluriflorum Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  CAS-BOT-BC123854  Eriastrum pluriflorum subsp. sherman-hoytiae Philip Alexander Munz; T. T. Craig 1933-5-13 12925 Los Angeles 10 miles S of Muroc Comment
  LA52313  Eriastrum sapphirinum Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0087096  Eriastrum sapphirinum R. G. Swinney 2010-6-1 13081 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  UCR166708  Eriastrum sapphirinum Scott D. White, Jennifer H. Jones 2005-6-23 11147 Los Angeles San Gabriel Mtns, Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon 1098 Comment
  RSA0110976  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1999-6-21 7344 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  CAS-BOT-BC514992  Eriastrum sapphirinum subsp. dasyanthum Clare B. Hardham 1958-6-14 3685 Los Angeles Chatsworth Hills Comment
  UC101102  Ericameria cooperi var. cooperi Joseph Burtt Davy 1896-5-19 2580 Los Angeles at Bills; West Palmdale Comment
  CAS-BOT-BC286761  Ericameria cuneata var. cuneata Joseph Andorfer Ewan; Nesta Ewan 1936-8-16 10077 Los Angeles Shoulder of Mt. Waterman, San Gabriel Mts. 2423 Comment
  POM359327  Ericameria cuneata var. cuneata Albert J. Perkins 1931-9-22 14984 Los Angeles Eaton Canyon, Sierra Madre Mts. Comment
  LA204644  Ericameria nauseosa J. Sauer; D. Bradbury, L. Wester 1969-10-19 4639 Los Angeles San Gabriel Mountains, near Kentucky Springs 1066 Comment
  UCR235684  Ericameria nauseosa Mark Hoddle 2007-4-26 CA-MSH- 611 Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, 150th St. West, north of Lancaster Rd. 856 Comment
  CAS-BOT-BC131652  Ericameria parishii var. parishii Joseph Andorfer Ewan 1934-8-2 8484 Los Angeles New road bank San Antonio Canyon, San Gabriel Mts. 1219 Comment
  CAS-BOT-BC131665  Ericameria parishii var. parishii F. Grinnell 1908-9-1 s.n. Los Angeles Mt. Wilson 1676 Comment
  SD50745  Ericameria parishii var. parishii Darley F. Howe 1959-10-25 Los Angeles Junction of Big Tujunga Canyon Road and Angeles Crest Highway, Sam Gabriel Mountains 1004 Comment
  UCR95537  Ericameria pinifolia L. C. Wheeler 1967-5-2 9256 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
  OBI81353  Ericameria teretifolia R. G. Swinney 2009-11-13 11602 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA0001119  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3451 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  UCR256258  Erigeron foliosus R. G. Swinney 2010-10-13 14037 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA230669  Erigeron foliosus var. foliosus R. F. Thorne, M. Z. Thorne 1969-7-9 38523 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  RSA800514  Erigeron foliosus var. foliosus Jane Tirrell 2012-8-20 LS 0158 Los Angeles North-facing bench along Pacific Crest Trail approx. 0.5 mi west of Windy Gap. 2436 Comment
  POM357454  Erigeron foliosus var. foliosus Thekla Mohr 1897-05 s.n. Los Angeles San Gabriel Mountains. Comment
  POM118329  Eriodictyon crassifolium var. nigrescens Marcus E. Jones 1924-4-28 s.n. Los Angeles Ridge north of Saugus. Comment
  POM9708  Eriodictyon crassifolium var. nigrescens P. A. Munz 1921-4-24 4432 Los Angeles Ridge Road, near Castaic. 610 Comment
  SD72778  Eriodictyon traskiae F. R. Fosberg 1931-5-6 S 4995 Los Angeles Santa Catalina Island; Cape Canyon. 239 Comment
  UC1292076  Eriodictyon traskiae C. B. Wolf 1932-10-5 4229 Los Angeles gentle slope of shoulder Black Jack Peak (e of Black Jack Mine, Santa Catalina I.); Santa Catalina I., shoulder of Black Jack Peak 457 Comment
  RSA549806  Eriodictyon trichocalyx Wandalee Thompson 1964-6-16 54 Los Angeles [No location information on label.] Comment
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Nov 11 2015
  RSA628710  Eriodictyon trichocalyx var. trichocalyx R. S. Woglum 1942-5-20 3326 Los Angeles Transverse Ranges / Mojave Desert transition: Little Rock Dam Lake; Angeles National Forest. Comment
  RSA766484  Eriogonum Joseph A. Ewan 1932-10-22 10802 Los Angeles Catalina Island. Above Avalon Comment
  CAS-BOT-BC248476  Eriogonum angulosum John Thomas Howell 1930-5-12 4883 Los Angeles 3 miles south of Palmdale Comment
  RSA716669  Eriogonum angulosum Scott D. White, Pam De Vries 2006-5-10 11452 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC1375317  Eriogonum angulosum Robert F. Thorne and C. W. Tilforth 1971-6-29 40673 Los Angeles ca. 1/2 mi w, near mouth of Kentucky Springs Canyon Soledad (n slope of mts.); Angeles National Forest, San Gabriel Mts., Kentucky Springs 944 Comment
  RSA766413  Eriogonum baileyi Joseph A. Ewan 1936-7-19 9746 Los Angeles San Gabriel Mts. Prairie fork. 2195 Comment
  CAS-BOT-BC241580  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-6-1 3690 Los Angeles Acton Comment
  UCR128094  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  LA52303  Eriogonum cinereum Carl Epling; 1934-12-12 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  UCR241700  Eriogonum cinereum Dan S. Cooper 2012-9-6 912- 72 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  IRVC29287  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 N side of Santa Susana Mtns. 305 Comment
  UCD99814  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles NE end of Santa Susana Mtns; Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  CAS-BOT-BC242776  Eriogonum davidsonii LeRoy Abrams 1902-6-29 2592 Los Angeles Fredalba Comment
  POM263247  Eriogonum davidsonii J. C. Roos 1937-7-18 403 Los Angeles San Antonio Canyon, between Los Angeles and San Bernardino counties. Comment
  RSA748340  Eriogonum davidsonii Justin M. Wood 2009-6-1 807 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  RSA393486  Eriogonum elongatum H. L. Bauer 1932-11-1 s.n. Los Angeles Topango Canon. Comment
  SEINET4044594  Eriogonum elongatum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 365 Comment
  RSA0011362  Eriogonum elongatum var. elongatum Orlando Mistretta, Youssef Atallah 2011-8-12 6023 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA0094174  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-3 15999 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
  RSA393301  Eriogonum elongatum var. elongatum M. Bisbee 1917-9-20 148 Los Angeles North hills, Eagle Rock Comment
  RSA653536  Eriogonum fasciculatum Ian Thompson 1997-3-22 1997 Los Angeles Cal Poly Pomona Ecological Reserve, South facing slope of E-canyon. Comment
  CAS-BOT-BC253203  Eriogonum fasciculatum var. fasciculatum Robert F. Thorne; D. Propst; M. Haefs 1974-9-12 45110 Los Angeles C. halfway between airport and Rancho Escondido, Santa Catalina Island 274 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
  SBBG62040  Eriogonum fasciculatum var. foliolosum R. Hoffmann 1927-6-11 Los Angeles Ridge Route (US Hwy 99) near middle Comment
  UC1032050  Eriogonum fasciculatum var. foliolosum A. Lewis Feb 1934 288 Los Angeles mouth of Soledad Canyon San Fernando Quadrangle, Soledad Canyon Comment
  RSA660764  Eriogonum fasciculatum var. polifolium Jeff Weiler 1981-4-26 33 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  RSA0086924  Eriogonum gracile R. G. Swinney 2010-6-23 13337 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  UC1971479  Eriogonum gracile var. gracile Louis C. Wheeler 1973-7-15 Los Angeles SAN GABRIEL MOUNTAINS: Doe Flat; Graveyard Canyon. Comment
  UCR110470  Eriogonum gracillimum Sue Bell 1998-5-2 331 Los Angeles Mojave Desert, Lake Los Angeles, 2 miles south of Antelope Valley Indian Museum 825 Comment
  UCR222991  Eriogonum gracillimum R. G. Swinney 2009-5-5 10640 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  SEINET10446309 Image available Eriogonum grande Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22670 Los Angeles Channel Islands; east side 1 mile south of Wilsons Cove, San Clemente Island 35 Comment
  CATA331  Eriogonum grande var. grande Mark L. Hoefs 1973-7-13 369 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG37227  Eriogonum grande var. grande E. R. Blakley 1963-4-9 5569 Los Angeles hillside above Pebbly Beach along Terrace Drive 121 Comment
  UC483200  Eriogonum grande var. grande L. R. Abrams and I. L. Wiggins 1931-7-6 356 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  OBI6104  Eriogonum heermannii Carl B. Wolf 1932-10-21 4363 Los Angeles 1/8 mi below Big rock Ranger Station, Big Rock creek, desert slope of San Gabriel Mts Comment
  SBBG62156  Eriogonum heermannii V. Duran 1933-8-10 3545 Los Angeles South Fk Big Rock Crk 1394 Comment
  RSA393564  Eriogonum heermannii var. heermannii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UCR281979  Eriogonum maculatum R. G. Swinney 2014-4-24 16210 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA65847  Eriogonum microtheca var. corymbosoides F. W. Peirson 1923-8-30 s.n. Los Angeles Upper end of Mescal Creek, Le Montaine, north side of San Gabriel Mountains. 2226 Comment
  UC1032146  Eriogonum mohavense A. Lewis 1933-5-1 153 B Los Angeles 4 mi nw Palmdale; Elizabeth Lake Quadrangle Comment
  SBBG64125  Eriogonum nudum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  POM13371  Eriogonum nudum var. pauciflorum P. A. Munz 1922-7-22 6126 Los Angeles San Antonio Canyon, San Gabriel Mountains 1829 Comment
  SBBG65167  Eriogonum ordii R. Hoffmann 1930-6-6 Los Angeles Piru Crk, Liebre Stn Comment
  UC472173  Eriogonum parvifolium J. Ewan 1930-9-15 5554 Los Angeles 1/2 mi s Palisades del Rey Comment
  UCR240023  Eriogonum plumatella R. G. Swinney 2009-11-13 11597 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR191159  Eriogonum pusillum R. G. Swinney 1999-6-28 7457 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  UCR222789  Eriogonum pusillum R. G. Swinney 2009-5-12 10748 A Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA292457  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  UCSB1508  Eriogonum roseum Hoffmann, Ralph 1927-9-21 Los Angeles Gorman's Comment
  RSA778908  Eriogonum saxatile R. G. Swinney 2009-6-17 11212 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR98742  Eriogonum saxatile T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3376 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 130m N to 250 m NNW of Icy Springs 1733 Comment
  RSA777688  Eriogonum thurberi Orlando Mistretta, Christine Mistretta 2010-5-19 5103 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  PASA1495  Eriogonum thurberi Frank W. Peirson 1930-5-30 Los Angeles Mint Canyon 609 Comment
  CHSC26390  Eriogonum umbellatum var. minus Wesley O. Griesel 1961-7-9 Los Angeles White Thorn Picnic Area, State Highway #2, San Gabriel Mts. 2286 Comment
  UCR107076  Eriogonum umbellatum var. minus R. G. Swinney 1995-8-28 4479 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  RSA0114218  Eriogonum wrightii subsp. trachygonum D. Silverman, Cindy Hopkins 2007-4-26 6759 Los Angeles Tejon Ranch, 375 miles west of California aqueduct, 2.4 km south of Kern County line and 2.9 km northeast of Quail Lake. 1030 Comment
  UC63983  Eriogonum wrightii var. subscaposum Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  UCD168222  Eriophyllum confertiflorum J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR124433  Eriophyllum confertiflorum I. W. Clokey, B. C. Templeton 1929-1 4477 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR281027  Eriophyllum confertiflorum Mitch Provance 2017-6-30 617- 36 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  JEPS34718  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1920-9-12 2276 Los Angeles s trail Baldy; San Gabriel Mts., Baldy 2438 Comment
  POM357899  Eriophyllum confertiflorum var. confertiflorum I. M. Johnston 1917-7-3 1405 Los Angeles San Gabriel Mountains. Comment
  SBBG54249  Eriophyllum confertiflorum var. confertiflorum F. C. Boutin 1967-4-23 1684 Los Angeles Lemon Tank 304 Comment
  RSA358101  Eriophyllum pringlei Robert Gustafson, Christopher Davidson 1977-4-20 414 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  UCR280510  Eriophyllum pringlei R. G. Swinney 2014-4-10 16018 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  SEINET11850801  Eriophyllum wallacei J. F. Bright, Wyman, C. 1931-1 5291 Los Angeles in Antelope Valley Comment
  UC1169771  Eriophyllum wallacei Ira L. Wiggins and W. R. Ernst 1958-5-2 231 A Los Angeles 1 mi nw Little Rock Comment
  RSA717343  Erodium botrys Scott D. White, Pam DeVries 2006-5-9 11413 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
  SD252347  Erodium botrys Steven A. Junak 2000-6-30 Sca 1354 Los Angeles Santa Catalina Island: Above Airport Road, across from Wrigley Reservoir, at turnoff for East Summit Vista area. 427 Comment
  UCR95470  Erodium cicutarium L. C. Wheeler 1967-3-3 9170 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  SD251746  Erodium cicutarium M. B. Dunkle 1940-3-21 7462 Los Angeles Santa Barbara Island. Near Landing Cove. Comment
  UCR194565  Erodium macrophyllum A. C. Sanders 2008-4-25 35112 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  RSA773997  Erysimum capitatum R. G. Swinney 2009-7-22 11309 Los Angeles summit of Mt. Hillyer, north of Horse Flats 1866 Comment
  UCR205095  Erysimum capitatum R. G. Swinney 2008-4-11 8657 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA279119  Erysimum capitatum var. capitatum R. F. Thorne 1971-3-18 41492 Los Angeles Cobal Canyon, 3 miles N of Claremont 502 Comment
  RSA530298  Erysimum capitatum var. capitatum H. C. Ackley 1927-02 s.n. Los Angeles Foothills Comment
  SD107859  Erythranthe cardinalis Robert F. Thorne, D. Propst, M. Hoefs 1974-9-12 45106 Los Angeles Santa Catalina Island: along and in small stream running into reservoir in Cottonwood Canyon below Rancho Escondido 106 Comment
  RSA769898  Eschscholzia californica R. G. Swinney 2009-3-31 10227 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte. 183 Comment
  UCR214640  Eschscholzia californica A. C. Sanders, Dan S. Cooper 2010-3-12 37376 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC403177  Eschscholzia californica Geo. B. Grant 1898-5-11 s.n. Los Angeles Pasadena Comment
  RSA652792  Eschscholzia californica Jim Reutzel 1994-5-8 34 Los Angeles In patches behind parking lot directly northwest of health center. Hills behind the Cal Poly Pomona University Health Center. Comment
  RSA599585  Eschscholzia californica var. crocea Steve Boyd, Lauren Raz 1997-3-25 9304 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  CAS-BOT-BC5928  Eschscholzia minutiflora Samuel Bonsal Parish 1887-6-1 1951 Los Angeles Alpine Comment
  RSA598380  Eschscholzia minutiflora Louis C. Wheeler 1967-5-24 9741 Los Angeles Indian Canyon, near mouth 701 Comment
  SBBG11601  Eschscholzia ramosa P. H. Raven 1962-5-9 17646 Los Angeles rd just N of Guds 249 Comment
  RSA725905  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25721 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  SFV2967  Eucrypta chrysanthemifolia K. A. Wilson 1961-3-11 985 Los Angeles San Gabriel Mountains Bouquet Canyon. Small stream gully. 2 miles north of Texas Canyon. 550 Comment
  RSA529304  Eucrypta chrysanthemifolia Tim S. Ross 1991-4-8 4470 Los Angeles Elephant Hill: Western Pomona. 335 Comment
  LA85600  Eulobus californicus Elizabeth McClintock; 1945-5-1 sn Los Angeles Santa Monica Mountains, Dry Canyon-Cold Creek Road Comment
  RSA646283  Eupatorium adenophorum Orlando Mistretta 1992-7-14 714 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA600259  Euphorbia dendroides L. C. Wheeler 1947-6-1 6512 Los Angeles Altadena. New York Ave. on east side of Eaton Wash. Comment
  UCR215072  Euphorbia graminea Justin M. Wood 2009-1-3 281 Los Angeles San Gabriel Valley, City of Monrovia, residential property on El Nido Ave. 171 Comment
  UCR205660  Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  RSA605865  Euphorbia lathyris L. C. Wheeler 1966-10-25 9075 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  SD138582  Euphorbia maculata Steven A. Junak 1990-11-9 SCI 144 Los Angeles San Clemente Island, north end of the island just SE of passenger terminal building at airfield, scattered; disturbed flats 60 Comment
  RSA627500  Euphorbia ocellata var. ocellata L. C. Wheeler 1965-6-21 8694 Los Angeles Alpine Butte: ca 3 mi east of 90th street east and Ave 6 on Ave 0 ca 1 mile west of Alpine Butte. Wildflower Sanctuary. Comment
  RSA432441  Euphorbia palmeri B. C. Templeton 1932-6-19 4919 Los Angeles Big Pines Park Comment
  SD143924  Euphorbia peplus Scott D. White 1997-3-12 Los Angeles USGS Point Dume quad., Zuma Beach area, mouth of Zuma Creek, east end of the County beach, in semi-shade near roadside, also remnant coastal dunes, disturbed roadsides, former parking area, rubble dumping area 10 Comment
  SBBG128680  Euphorbia peplus R. F. Thorne, J. Henrickson 1963-5-5 32274 Los Angeles near mouth of Cobal Cyn, few mi N of Claremont, foothills of San Gariel Mtns 518 Comment
  RSA607706  Euthamia occidentalis Scott D. White 1997-11-5 6020 Los Angeles Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SD69567  Festuca arundinacea Robert F. Thorne 1966-6-1 36488 Los Angeles Sant Catalina Island: north of Avalon, a weed in former lawn of razed St. Catherine's Hotel 4 Comment
  UC1595322  Festuca arundinacea Tim Ross and Orlando Mistretta 1992-7-24 6762 Los Angeles 900 m distant and 76 degrees ene Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts., Strawberry Spring 1460 Comment
  SBBG98508  Festuca bromoides T. Ross 1991-5-21 5389 Los Angeles upper E branch of Box Cyn 472 Comment
  UCR277064  Festuca microstachys R. G. Swinney 2011-6-7 15075 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
  SBBG80234  Festuca myuros F. R. Fosberg 1931-3-19 4306 Los Angeles near mouth of Hamilton Cyn near Avalon 10 Comment
  UCR41730  Festuca myuros G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CATA3512  Ficus carica Julia Parish 2017-12-30 045 Los Angeles Santa Catalina Island: Channel side; Upper middle canyon WMU, Renton Pass Rd, adjacent to Trans-Cat near water pipe 381 Comment
  SEINET10621143  Ficus carica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3882 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  CAS-BOT-BC487551  Ficus microcarpa R. E. Riefner, Jr. 2015-8-23 15 -348 Los Angeles City of Los Langeles, Toluca Terrace, E side of Cahuenga Blvd, S ca 0.2 mi from Magnolia Blvd. 188 Comment
  IRVC26475  Filago californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26144 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA0098636  Filago californica R. G. Swinney 2010-5-11 12696 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR176953  Filago californica L. C. Wheeler 1967-4-30 9246 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  POM19066  Forestiera pubescens P. A. Munz 1923-5-25 6821 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  LA82204  Frangula californica subsp. californica O. H. Kappler; 1941-5-18 271 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 548 Comment
  UCR280758  Frangula californica subsp. tomentella R. G. Swinney 2014-4-30 16303 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  CATA3210  Frankenia salina Julie L. King 2016-11-29 29 Los Angeles Santa Catalina Island: 25 meters west of SE junction of Empire Landing & Quarry Haul Rd. 173 Comment
  SBBG128074  Frankenia salina B. E. Carter 2012-8-23 6999 Los Angeles Two Harbors at top of Catalina Harbor 1 Comment
  LA205581  Frasera neglecta Martha Hilend; 1926-7-6 254 Los Angeles San Bernardino Mountains, Holcomb Valley Comment
Read comments
Jan 14 2015
  UCD121441  Frasera neglecta Victor Duran 1933-7-8 3501 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  RSA464907  Fraxinus dipetala Luellapearl Hammer 1929-05 s.n. Los Angeles Arroyo Canyon Comment
  RSA669158  Fraxinus dipetala LeRoy Gross, Naomi S. Fraga 2002-4-4 522 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road., (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 400 Comment
  UCR220353  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2009-4-13 10327 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR137735  Fremontodendron californicum subsp. californicum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Spring c. 2/3 mi. east of Juniper Bowl, Juniper Hills 1159 Comment
  CAS-BOT-BC130256  Fritillaria biflora Timothy S. Ross 1995-4-7 8367 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 944 Comment
  SD253513  Fumaria officinalis R. G. Swinney 2010-3-16 11956 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing within 50 m on north and south sides of I-210. 328 Comment
  UCR147690  Galium andrewsii Steve Boyd, Amber Maurice 2004-5-18 11311 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA0085500  Galium angustifolium R. G. Swinney 2010-8-9 13456 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  UCD121578  Galium angustifolium A. C. Sanders; D. Malueg 1998-6-22 22021 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE. 549 Comment
  UCD121566  Galium angustifolium Robert F. Thorne; P. Everett 1965-6-22 34918 Los Angeles Santa Catalina Island: S of Avalon golf course. Comment
  UCSB9252  Galium angustifolium Haller, John 1950-5-29 Los Angeles Santa Monica Mtns., Sepulveda Canyon, 1 1/4 miles above Sunset blvd.; 2/10 mile up Fire Road on west side of canyon Comment
  JEPS5198  Galium angustifolium subsp. angustifolium Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4195 Los Angeles near confluence with Kitter Canyon (n edge of mts); Angeles National Forest, San Gabriel Mts., Little Rock Creek 1219 Comment
  SBBG68830  Galium angustifolium subsp. angustifolium R. Hoffmann 1927-5-14 Los Angeles E end of Pine Cyn Comment
  SBBG96792  Galium angustifolium subsp. angustifolium T. Ross, S. Boyd 1990-6-6 2821 a Los Angeles Green Valley Pasture, in San Francisquito Cyn Comment
  RSA229006  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40803 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA522333  Galium angustifolium subsp. angustifolium Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4030 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA607207  Galium angustifolium subsp. nudicaule Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, just above the upper falls, below the campground, E of windy gap. 1006 Comment
  RSA0005737  Galium angustifolium subsp. nudicaule Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-16 4236 Los Angeles Cloudburst Summit, northeast of Chilao Recreation Area. 2140 Comment
  LA33961  Galium aparine Peter H. Raven; 1959-5-3 14063 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  RSA776486  Galium bifolium LeRoy Gross, Jane Tirrell 2011-7-20 5532 Los Angeles Lily Spring, north of Mt. Hawkins. Near 2500 Comment
  UC1409084  Galium catalinense Robert F. Thorne and Doug Propst 1973-2-12 Los Angeles on slopes of hill e Isthmus (above Banning House); Santa Catalina Island, Ironwood Gully 182 Comment
  RSA248873  Galium catalinense subsp. acrispum Robert F. Thorne 1973-4-12 42965 Los Angeles Large canyon S of Mosquito Cove N of Chenity; San Clemente Island. 274 Comment
  POM11689  Galium catalinense subsp. catalinense F. M. Reed 1909-7-2 2801 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  SBBG119258  Galium grande V. Soza with L. Gross 1999-7-15 629 Los Angeles N- and NE-side of helispot and S-side of Mt Wilson Trail, ca. 2.7 mi from trailhead in Sierra Madre; T1N R11W NW/4, NW/4 S9 822 Comment
  UCR25131  Galium hallii John C. Roos 1951-7-30 5074 Los Angeles San Gabriel Mtns., Big Rock Creek, north of Mt. Baden Powell 1982 Comment
  RSA771773  Galium hilendiae R. G. Swinney 2009-5-20 10828 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA532640  Galium johnstonii Tim S. Ross 1991-8-14 5743 Los Angeles Granite Mountain, San Gabriel Mountains 1887 Comment
  UCR239016  Galium johnstonii Anuja Parikh, Nathan Gale 2010-6-16 3312 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km east of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1300 Comment
  UCR276894  Galium johnstonii R. G. Swinney 2011-5-16 14752 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  IRVC28999  Galium nuttallii A. C. Sanders, Mark A. Elvin 2003-6-18 26943 Los Angeles along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch Santa Susana Mountains 854 Comment
  LA50677  Galium nuttallii subsp. nuttallii Harlan Lewis; 1940-2-4 1049 Los Angeles Santa Monica Mountains, Cahuenga Pass, Mulholland Dr. near Cahuenga Blvd 457 Comment
  SBBG22453  Galium nuttallii subsp. nuttallii H. and M. Dearing 1944-5-10 5889 Los Angeles Charlton Flats Comment
  SEINET3100959 Image available Galium porrigens G. Rink 2011-6-1 10580 Los Angeles Chino Hills, northeast of La Brea, weedy place. 260 Comment
  RSA0009181  Galvezia speciosa Tim S. Ross 1991-5-21 5429 Los Angeles San Clemente Island, upper reaches of Box Canyon, SW side of the island 343 Comment
  SBBG12820  Gambelia speciosa E. R. Blakley 1962-6-9 5207 Los Angeles cyn mouth, 0.75 mi toward Pyramid Cove from China Pt Comment
  RSA562546  Gamochaeta pensylvanica Steve Boyd, Walter Appleby 1993-4-22 8000 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
  RSA710758  Gamochaeta pensylvanica Valerie L. Soza, Bill Hogshead 2003-4-23 1639 Los Angeles Brand Park, Brand Canyon. 457 Comment
  SFV21385  Gamochaeta ustulata L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 44 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  RSA517154  Garrya flavescens Tim S. Ross 1990-10-9 3251 Los Angeles San Gabriel Mtns: Mill Creek Drainage, Tujunga Ranger Distric, Angeles National Forest. 1460 Comment
  CAS-BOT-BC158002  Garrya veatchii F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzers Camp, San Gabriel Mts 914 Comment
  RSA228864  Garrya veatchii Robert F. Thorne 1971-6-26 40612 Los Angeles San Gabriel Mts., Angeles National Forest: Clear Creek branch of Big Tujunga Canyon along Angeles Forest Road near Clear Creek School Camp. 1037 Comment
  UCR143374  Garrya veatchii L. C. Wheeler 1931-12-30 424 Los Angeles San Gabriel Mtns, San Antonio Wash 671 Comment
  RSA533946  Gastridium phleoides Timothy S. Ross, Orlando Mistretta, M. Hammit 1991-5-18 5215 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  SBBG132000  Gastridium phleoides S. A. Junak 1996-4-13 SCI 310 Los Angeles 0.15 mi from Camera Pad "Malo" at 133 degrees, S of Bryce Cyn 320 Comment
  SD28067  Gastridium phleoides Carl B. Wolf 1932-5-10 3523 Los Angeles Santa Catalina Island. Along the Equestrian Trail, back of Avalon 259 Comment
  CDA5227  Gaura sinuata Dick Jones 1933-9-19 Los Angeles San Fernando Valley. 0 Comment
  RSA773975  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR189968  Gayophytum R. G. Swinney 1998-8-31 6872 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  SDSU7764  Genista maderensis R. M. Beauchamp 1966-8-8 48 Los Angeles Santa Catalina Island. Growing beside road south of Avalon. 61 Comment
  CATA3063  Genista monspessulana Julia Parish 2016-3-23 001 Los Angeles Santa Catalina Island: Big Field in Middle Canyon, WMU Hayfields 219 Comment
  RSA746841  Geranium carolinianum R. G. Swinney 2008-4-30 8695 Los Angeles Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  UCR282587  Geranium carolinianum Dan S. Cooper 2017-4-21 417- 27 Los Angeles Montemalaga Dr., Palos Verdes 236 Comment
  RSA735915  Geranium rotundifolium Justin M. Wood 2008-5-31 9 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA747152  Gilia R. G. Swinney 2008-5-8 8810 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  RSA0110560  Gilia Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 559 Los Angeles Santa Catalina Island: Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 304 Comment
  RSA787205  Gilia abrotanifolia J. D. Olmsted 1962-4-30 405 -B Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA469717  Gilia austrooccidentalis T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  UCR124581  Gilia capitata B. C. Templeton, I. W. Clokey 1930-4-8 1028 Los Angeles San Gabriel Mtns., 1 mile north of Elizabeth Lake 976 Comment
  UC1930008  Gilia capitata subsp. abrotanifolia V. Soza, LeRoy Gross 2002-4-3 1375 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  RSA470235  Gilia capitata subsp. abrotanifolia B. C. Templeton 1931-5-19 1461 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  RSA469407  Gilia latiflora subsp. davyi Robert Gustafson 1978-6-1 959 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
  SBBG13663  Gilia latiflora subsp. davyi D. Myrick 1962-4-10 495 Los Angeles Hwy 6, 2 mi E of Palmdale 822 Comment
  CAS-BOT-BC226346  Gilia latiflora subsp. davyi Herbert L. Mason 1926-4-27 3060 Los Angeles Thirty miles west of Victorville, Mohave [Mojave] Desert Comment
  RSA249787  Gilia latiflora subsp. davyi R. F. Thorne, Gary D. Wallace 1973-4-25 43369 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
  RSA716224  Gilia latiflora subsp. davyi Andrea Edwards, Pam De Vries 2006-4-11 73 Los Angeles Triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. Site includes sections of Gorman Creek, San Andreas Rift Zone, and Peace Valley. 1037 Comment
  UCSB33622  Gilia latiflora subsp. davyi Griesel, Wesley 1962-3-24 Los Angeles Quartz Hill; Mojave Desert 914 Comment
  RSA225987  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1971-6-29 40690 Los Angeles ca. 3.6 miles down Aliso Canyon from junction with Angeles Forest Rd. 945 Comment
  RSA155879  Gilia minor P. H. Raven 1962-4-6 17108 Los Angeles 0.5 miles north of Pearblossom 854 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
  RSA527660  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4381 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC908885  Gilia ochroleuca subsp. vivida Frank W. Peirson 1928-6-2 7934 Los Angeles S Fork Rock Cr , S. Fork Rock Cr. (San Gabriel Mts.) 1981 Comment
  UCR223475  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR51748  Githopsis diffusa subsp. diffusa Anstruther Davidson 1914-1 2972 Los Angeles San Gabriel Mtns., San Gabriel Canyon 427 Comment
  POM50890  Gnaphalium beneolens L. R. Abrams 1901-4-6 1398 Los Angeles Monte Vista Comment
  RSA533963  Gnaphalium californicum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5199 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA591179  Gnaphalium californicum Steven A. Junak 1985-5-16 95 Los Angeles San Clemente Island: SW portion of island, N fork of Cave Canyon. 445 Comment
  RSA279031  Gnaphalium luteoalbum R. F. Thorne, C. W. Tilforth 1971-4-9 41549 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek 381 Comment
  POM358860  Gnaphalium microcephalum Louis Greata 1900-07 s.n. Los Angeles [Unspecified] Comment
  RSA529922  Gnaphalium palustre Timothy S. Ross 1991-8-16 5828 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  SD28052  Gnaphalium palustre Carl B. Wolf 1932-5-12 3598 Los Angeles Santa Catalina Island; Between Little Harbor and Cottonwood Creek. 45 Comment
  UC1118552  Gnaphalium palustre J. Horton 1935-7-18 217 Los Angeles just below dam; Pomona Quadrangle, Dalton Canyon Comment
  CAS-BOT-BC110275  Grayia spinosa David Dreyer 1968-4-6 s.n. Los Angeles North edge of San Gabriel Mountains. 1493 Comment
  POM359065  Grindelia camporum var. bracteosa Anstruther Davidson 1893-3-8 s.n. Los Angeles Wiseburn. Comment
  UC284960  Guillenia lasiophylla P. A. Munz 1923-4-8 6631 Los Angeles Wilson's Cove San Clemente Island Comment
  SD244601  Gutierrezia californica David Keil 1986-9-27 19734 2 Los Angeles Along I-5, just s of Hungry Valley Rd exit. Roadside pullout and adjacent flats. 914 Comment
  SEINET2052350 Image available Gutierrezia microcephala David Charlton, Robb Fishman 1990-8-30 3930 Los Angeles W. Mojave Desert: Palmdale, corner of Ave. R and 30th St. East. Ca. 1 mile S of Hwy 138. 807 Comment
  UC112087  Halleria lucida H. M. Hall 1907-6-7 7933 Los Angeles Los Angeles Calif. (Elysian Park) Comment
  UCR104152  Haplopappus menziesii Scott D. White, Pam DeVries 1997-11-20 6026 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  UCR126836  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  RSA597987  Harpagonella palmeri Lauren Raz, Mistretta, Wall 1997-3-16 68 Los Angeles Santa Catalina Island. Avalon Canyon via ''Divide Trail'', NE of the Wrigley Botanical Garden. 182 Comment
  SBBG113137  Harpagonella palmeri S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 399 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  JEPS26136  Hazardia squarrosa var. grindelioides Peter H. Raven and Henry J. Thompson 1958-10-11 13743 Los Angeles at Coast Highway; Santa Monica Mountains, Las Tunas Canyon 152 Comment
  OBI79198  Hedypnois cretica A. C. Sanders, Dan S. Cooper 2010-4-30 38121 Los Angeles South Coast, Madrona Marsh, Torrance (Torrance 7.5' Q) 24 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
  RSA11374  Helianthemum scoparium var. vulgare C. Epling, N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  POM49307  Helianthus annuus subsp. lenticularis L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island, Reservoir field. Comment
  SFV19107  Helianthus gracilentus M. Gary 2003-5-9 s. n. Los Angeles Verdugo Mountains La Tuna Canyon. Comment
  RSA674746  Heliotropium amplexicaule Scott D. White 2001-8-1 8730 Los Angeles North of Claremont. North side of Mt. Baldy road near intersection with Padua Ave. 549 Comment
  UCR123363  Heliotropium curassavicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25477 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  SFV16061  Heliotropium curassavicum var. oculatum A. M. Orcino, A. Sutton 1994-5-21 41 Los Angeles San Fernando Valley Van Nuys. Sepulveda Wildlife Reserve, Sepulveda Basin. 215 Comment
  UCR12201  Hemizonia fasciculata Art Whistler 1966-6-20 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., along Mulholland Hwy. from Woodland Hills past the Morrow Picture Home (3 mi from home, 22633 Sylvan St.) Comment
  UCR209156  Hemizonia fasciculata Dan S. Cooper 2009-5-27 509- 38 .1 Los Angeles Los Angeles Basin Region, adjacent to radio towers in Kenneth Hahn Recreation Area, Baldwin Hills, Los Angeles 137 Comment
  CAS-BOT-BC403841  Hesperocnide tenella John H. Thomas 1957-5-3 6733 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA445903  Hesperocnide tenella Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC403833  Hesperocnide tenella Geo. B. Grant 1900-3-17 2296 Los Angeles Lincoln Park. Arr. S. Comment
  HSC79919  Heteromeles arbutifolia James Henrickson 1972-11-2 8100 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Canyon Rd. 366 Comment
  RSA0110756  Heteromeles arbutifolia R. G. Swinney 2011-10-25 15867 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  SEINET11177063  Heteromeles arbutifolia M. Licher 2011-2-21 3022 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  SD69551  Heteromeles arbutifolia var. macrocarpa Robert F. Thorne, P. Everett 1965-6-22 34920 Los Angeles Santa Catalina Island: S of Avalon golf course in open, flat, sandy bottom of Avalon Canyon 91 Comment
  LA32033  Heterotheca grandiflora Henry J. Thompson; 1958-10-23 1813 Los Angeles Santa Monica Mountains, Point Dume 30 Comment
  UC897761  Heterotheca grandiflora I. W. Clokey and E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  SDSU1693  Heterotheca grandiflora A. H. Gallup 1949-2-14 303 Los Angeles Lasca - in old corral enclosure. 152 Comment
  UCR209427  Heuchera R. G. Swinney 2008-9-13 9456 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  JEPS49740  Heuchera abramsii Frank W. Peirson 1922-7-21 3207 Los Angeles Baldy Mt. San Antonio; San Gabriel Mts, Mt. San Antonio 2956 Comment
  RSA733044  Hieracium albiflorum R. G. Swinney 1998-7-10 6359 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  POM276168  Hoita macrostachya Arthur L. Cohen 1934-8-2 488 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  SD90328  Holodiscus discolor var. microphyllus Robert F. Thorne, J. Dourley 1967-10-3 37294 Los Angeles Mt. Baden-Powell: Just S of peak 2850 Comment
  UC1971311  Holodiscus discolor var. microphyllus Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Headwaters of Cruthers Creek, north side Will Thrall Peak, on Burkhart trail. Comment
  SD72836  Hordeum brachyantherum subsp. californicum F. R. Fosberg 1931-4-3 S 4477 Los Angeles Pebble Beach, Santa Catalina Island, dry salt marsh, supra littoral zone 2 Comment
  SBBG32010  Hordeum murinum R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -170 Los Angeles lower Bullrush Cyn Comment
  UCR186928  Hordeum murinum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32026 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  CAS-BOT-BC289330  Hordeum murinum subsp. glaucum Peter H. Raven; Henry J. Thompson 1959-5-5 14124 Los Angeles Mulholland Hwy. 1 mile W of Las Virgenes Road, Malibu Creek drainage, Santa Monica Mountains 274 Comment
  CATA906  Hordeum murinum subsp. glaucum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1744 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  RSA133772  Hordeum murinum subsp. glaucum P. H. Raven 1959-5-3 14098 Los Angeles Santa Monica Mountains. Mulholland Drive at Laurel Pass, (34?N; 118-119?W) 351 Comment
  RSA188065  Hordeum murinum subsp. glaucum R. F. Thorne 1966-4-4 35750 Los Angeles Santa Catalina Island. Isthmus. 12 Comment
  RSA755929  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-10 2409 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
  UCD86229  Hordeum murinum subsp. leporinum Charles F. Hewitt 1975-3-13 LASCA 1044 Los Angeles Arcadia. Los Angeles State and County Arboretum. Tallac Knoll. Comment
  RSA187920  Hordeum vulgare R. F. Thorne 1966-4-29 36275 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  UC860571  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Highway; San Gabriel Wash at Arrow Highway 106 Comment
  UCR204834  Hulsea heterochroma R. G. Swinney 2005-8-11 8462 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA248645  Hulsea vestita subsp. gabrielensis Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  LA32221  Hydrocotyle umbellata Peter H. Raven; Henry J. Thompson 1959-9-19 13716 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  CDA2199  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles Northwest corner of Sunset Blvd. & Groverton Street, Westwood. 0 Comment
  UCR108446  Imperata brevifolia L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mtns, Big Tujunga Canyon Road at Doske Road, just east of Ybarra Canyon 564 Comment
  RSA0008264  Isocoma menziesii var. decumbens F. R. Fosberg 1931-12-10 7151 Los Angeles Santa Catalina Island: Pebble Beach Road. 5 Comment
  CAS-BOT-BC311653  Isocoma menziesii var. vernonioides Peter H. Raven 1958-9-28 13736 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Elysian Park 198 Comment
  JEPS26186  Isocoma menziesii var. vernonioides Peter H. Raven and Henry J. Thompson 1959-10-4 14554 Los Angeles at Santa Monica Canyon Coast Highway; Santa Monica Mountains 15 Comment
  POM359496  Isocoma menziesii var. vernonioides George R. Johnstone 1932-9-30 15843 Los Angeles Palos Verdes Hills. Comment
  RSA151236  Isocoma menziesii var. vernonioides Peter H. Raven 1962-7-11 18011 Los Angeles San Clemente Island, Wilson Cove 61 Comment
  POM1382  Isolepis cernua I. M. Johnston 1917-6-14 1344 Los Angeles West of Pomona. Comment
  RSA747984  Iva axillaris R. G. Swinney 2005-5-21 8269 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  SD230172  Iva axillaris Louis C. Wheeler 1956-9-15 7235 Los Angeles San Gabriel Mountains: Caldwell Lake, on San Andreas Fault. Comment
  CAS-BOT-BC101893  Juglans californica Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona Comment
  CAS-BOT-BC158128  Juglans californica A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37168 Los Angeles San Gabriel Valley: Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  RSA0011179  Juglans californica L. R. Abrams 1901-4-2 1243 Los Angeles Cahuenga Pass Comment
  RSA401009  Juglans californica Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  UCR238078  Juglans californica Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2103 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  SFV840  Juglans californica var. californica P. G. Kilburn 1957-10-31 524 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 100 yards below gate. 350 Comment
  UC174040  Juglans californica var. californica Geo. B. Grant 1905-5-5 635 Los Angeles Pasadena Comment
  CAS-BOT-BC167119  Juglans nigra A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37164 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 69 Comment
  SBBG131559  Juncus bufonius S. A. Junak 1999-7-15 SCa 1030 Los Angeles Bulrush Cyn 237 Comment
  UCR207990  Juncus bufonius F. R. Fosberg 1931-5-4 S- 4751 Los Angeles Channel Islands, Santa Catalina Island; below second bridge below Eagles Nest 140 Comment
  CATA3396  Juncus bufonius var. bufonius Peter J. Dixon 2017-4-28 086 Los Angeles Santa Catalina Island: Near Isthmus, 700 m northeast of Tower Pk. 250 Comment
  RSA235258  Juncus bufonius var. occidentalis M. A. Piehl, Peter H. Raven 1962-6-10 62410 Los Angeles San Clemente Island: [Mount] Thirst. 579 Comment
  UCR130144  Juncus covillei var. obtusatus F. R. Fosberg, Joseph A. Ewan 1931-8-12 00790 Los Angeles San Gabriel Mtns., Little Jimmy Spring, Windy Camp, north slope of Mt. Islip 2300 Comment
  UCR217823  Juncus macrophyllus Dan S. Cooper 2010-8-27 810- 92 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Spring Canyon 288 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
  UCR139904  Juncus rugulosus Scott D. White 1997-5-14 5144 A Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  RSA729227  Juncus saximontanus R. G. Swinney 1998-7-10 6410 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  UCR189860  Juncus saximontanus R. G. Swinney 1998-7-10 6410 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  UCR275265  Juncus textilis Peter Rubtzoff 1988-10-7 9964 Los Angeles San Gabriel Mountains, Gold Creek Road near junction with Little Tujunga Road, Little Tujunga Canyon, c. 2 miles NE of entrance to Angeles National Forest, or c. 4 miles NE of junction of Osborne St. and Foothill Blvd. 479 Comment
  POM1591  Juncus xiphioides I. M. Johnston 1917-8-23 1684 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA774833  Juncus xiphioides Orlando Mistretta, Christine Mistretta 2010-6-8 5282 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  SD69447  Juncus xiphioides Robert F. Thorne, P. Everett 1965-6-23 34955 Los Angeles Santa Catalina Island, lower portion of Middle Ranch Canyon, in shallow running water of stream bed. 91 Comment
  CATA305  Juncus xiphioides Mark L. Hoefs 1973-6-5 326 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon, below Edison station, in stream 274 Comment
  CAS-BOT-BC80986  Juniperus californica A. D. E. Elmer 1902-6-1 3633 Los Angeles Palmdale Comment
  UC84  Juniperus californica W. H. Brewer 1861-1-1 110 Los Angeles San Gabriel Comment
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Jan 26 2015
  SFV292  Juniperus californica J. W. Adams 1958-11-29 Los Angeles Mojave Desert Juniper Flat south of Palmdale desert. 823 Comment
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Jan 26 2015
  CATA537  Keckiella cordifolia Sara L. Crockett 1997-5-1 697 Los Angeles Santa Catalina Island: 0.2 mile W of jct. of White's Landing Road with Airport Road, SW side of road 463 Comment
  POM50421  Keckiella cordifolia L. R. Abrams 1901-6-4 1694 Los Angeles Los Tunas Canyon. Comment
  RSA0115991  Keckiella cordifolia R. G. Swinney 2010-8-11 13495 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UC527453  Keckiella cordifolia C. B. Wolf 1931-7-30 Los Angeles base Newhall Grade (0.25 mi above crossing of Los Angeles Aqueduct) 457 Comment
  SEINET13766509  Keckiella cordifolia G. B. Grant 1904-6-14 935 Los Angeles Monrovia Comment
  CAS-BOT-BC238330  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1959-6-2 5320 Los Angeles Old Ridge Route, 0.25 mile north of Quail Lake Fire Station 1219 Comment
  RSA611829  Kochia californica Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10152 Los Angeles Mojave Desert: Antelope Valley, Amargosa Creek drainage at West G Street, west of Highway 14, southwest of Rosamond Dry Lake. 793 Comment
  UCR36541  Kochia californica A. C. Sanders, F. C. Vasek 1984-6-6 5079 Los Angeles Mojave Desert, SW end of Rosamond Lake (dry) near E end of Ave. 'C 701 Comment
  RSA719733  Koeleria macrantha R. G. Swinney 1996-8-7 5215 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  CAS-BOT-BC271336  Koeleria pyramidata Geo. B. Grant 1906-6-18 6904 Los Angeles Summit of Mt. Wilson 1828 Comment
  RSA708872  Lagophylla ramosissima Scott D. White, Andrea Warniment 2005-9-9 11214 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  PASA643  Lamarckia aurea Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA592410  Lamarckia aurea Mark Hoefs, Doug Propst 1973-3-14 92 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  SEINET2473454 Image available Lamarckia aurea Richard G. Swinney 2009-1 10375 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCSB403  Lamarckia aurea Wedberg, H. 1957-5-4 Los Angeles UCLA Faculty Hill Comment
  SEINET10828054  Lamarckia aurea Cyrus G. Pringle 1882-3-31 Pringle s.n. Los Angeles Comment
  OBI7878  Larrea divaricata G. L. Parsons 1976-5-21 47 Los Angeles Mojave Desert, 20 mi E of Lancaster Comment
  RSA586614  Lasiospermum bipinnatum Timothy S. Ross, Steve Boyd, S. Carlquist 1992-5-26 6427 Los Angeles Northern Claremont: just S of the intersection of Mills Avenue x Mt. Baldy Road. 497 Comment
  JEPS57950  Lastarriaea coriacea Frank W. Peirson 1919-5-21 447 Los Angeles San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco 381 Comment
  RSA570027  Lastarriaea coriacea Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4917 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  CAS-BOT-BC338110  Lasthenia californica Geo. B. Grant 1903-4-23 s.n. Los Angeles Saugus Comment
  RSA151025  Lasthenia californica Peter H. Raven 1962-4-11 17283 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  RSA724502  Lasthenia californica K. Dobry 1990-3-25 235 Los Angeles Simi Hills at Dayton Canyon Comment
  UCR127057  Lasthenia glabrata subsp. coulteri Mark A. Elvin, Cathleen Weigand 2003-4-7 2435 Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  RSA0049937  Lasthenia gracilis R. G. Swinney 2010-5-12 12744 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA608203  Lasthenia gracilis R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UC1614261  Lasthenia gracilis Charles M. Belshaw 1935-3-29 504 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp, W. Antelope Valley); W. Antelope Valley, La Liebre Scarp Comment
  POM361495  Lasthenia gracilis Christopher Davidson 1973-4-7 1881 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  RSA161233  Lathyrus tingitanus P. H. Raven 1962-5-20 17765 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  CHSC8361  Lathyrus vestitus Edward L. Smith 1957-4-25 175 Los Angeles Located in Little Dalton Canyon. San Gabriel Mtns. 365 Comment
  RSA674314  Lathyrus vestitus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 717 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 576 Comment
  POM1793  Lathyrus vestitus subsp. laetiflorus H. Webster 1894-05 2250 Los Angeles Claremont 366 Comment
  UCD106524  Lathyrus vestitus var. alefeldii Dan Axelrod 1932-3-21 s.n. Los Angeles 1 mi. east of Claremont, Antelope Valley. Comment
  RSA724438  Lathyrus vestitus var. vestitus K. Dobry 1991-5-13 498 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR141189  Layia glandulosa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  RSA249781  Layia glandulosa R. F. Thorne, Gary D. Wallace 1973-4-25 43371 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
  UC53938  Layia glandulosa Ernest Braunton 1902-5-10 324 Los Angeles Rivera Comment
  RSA158322  Layia platyglossa subsp. campestris Peter H. Raven 1962-4-10 17237 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  UCR178903  Lemna minima 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
  SD252297  Lepidium didymum Steven A. Junak 1999-5-22 Sca 1012 Los Angeles Santa Catalina Island; Avalon canyon, at entrance to Catalina Stables. 49 Comment
  CAS-BOT-BC89417  Lepidium fremontii A. D. E. Elmer 1902-6-1 3632 Los Angeles Lancaster. Comment
  POM307861  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1938-4-16 2713 Los Angeles Lancaster Comment
  SBBG33449  Lepidium fremontii A. D. E. Elmer -Jun-1902 3632 Los Angeles Lancaster Comment
  UCR222739  Lepidium fremontii R. G. Swinney 2009-4-29 10608 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SBBG112953  Lepidium lasiocarpum var. lasiocarpum S. A. Junak 1998-6-13 SCa 735 Los Angeles Little Harbor, above W end of beach 9 Comment
  SBBG37650  Lepidium lasiocarpum var. lasiocarpum M. A. Piehl 1962-6-9 62359 Los Angeles China Pt 15 Comment
  RSA0017043  Lepidium latipes D. E. Bramlet 2001-4-25 3113 Los Angeles Slopes above (east) of Grasshopper Canyon. The site is located 610m east of the old ridge route and 1 km southwest of the existing access road entering the canyon. 526 Comment
  CAS-BOT-BC12472  Lepidium nitidum Marcus E. Jones 1882-2-27 3036 Los Angeles Pasadena. Comment
  SDSU19983  Lepidium nitidum S. H. Bullock 1968-4-6 63 Los Angeles Claremont, north of foothill Blvd. between Dartmouth and College Ave. 351 Comment
  CAS-BOT-BC60037  Lepidium virginicum var. menziesii Alice Eastwood 1919-5-29 9001 Los Angeles San Gabriel Canyon. Comment
  RSA755584  Lepidium virginicum var. pubescens R. G. Swinney 2008-10-16 9597 Los Angeles Jackson Lake, south side of Big Pines Highway 1872 Comment
  CAS-BOT-BC328066  Lepidospartum squamatum LeRoy Abrams 1900-8-10 885 Los Angeles San Gabriel Canon Comment
  UCR26501  Leptochloa fascicularis A. C. Sanders 1981-9-12 2340 Los Angeles Mojave Desert, Edges of the large marsh at the W end of Rosamond Dry Lake 694 Comment
  CAS-BOT-BC273936  Leptochloa fusca subsp. fascicularis Peter H. Raven; Henry J. Thompson 1959-10-4 14553 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Coast Highway just north of mouth of Santa Monica Canyon 15 Comment
  CAS-BOT-BC272410  Leptochloa fusca subsp. uninervia W. M. Phillipson 1914-6-1 s.n. Los Angeles San Gabriel Comment
  UC1211127  Leptodactylon californicum Huron H. Smith 1912-5-1 4897 Los Angeles Eagle Rock Valley 152 Comment
  RSA0094390  Leptosiphon breviculus Richard G. Swinney 2011-6-20 15320 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail. 1567 Comment
  RSA334159  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1969-7-9 38555 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  RSA597128  Leptosiphon breviculus T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3741 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA725117  Leptosiphon breviculus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -19 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
  RSA729830  Leptosiphon breviculus R. G. Swinney 1998-7-8 6351 Los Angeles San Gabriel Mtns.: Wright Mountain, south of Wrightwood. 2585 Comment
  SDSU21092  Leptosiphon liniflorus Ian Cain, Bruce Lund 2010-5-10 1401 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  SD46756  Leptosyne douglasii P. C. Everett, E. K. Balls 1956-5-9 21561 Los Angeles 6.7 miles south of Lancaster on Highway 6 760 Comment
  UC72137  Lessingia glandulifera var. glandulifera Miss E. D. Palmer Los Angeles Los Angeles Comment
  RSA91283  Lessingia glandulifera var. glandulifera F. W. Peirson 1918-10-26 294 Los Angeles South base of San Gabriel Mountains, Big Dalton Canyon. 610 Comment
  UCSB27666  Lessingia glandulifera var. glandulifera Lavinger, S. 1975-10-8 Los Angeles On Wentworth Street 0.2 miles north from its junction with Stonehurst Avenue, San Bernardino Valley 152 Comment
  RSA623876  Leymus condensatus Arthur R. Kruckeberg 1939-5-30 244 Los Angeles Hills back of [Eagle?] Rock Basin, South Pasadena Comment
  RSA661183  Leymus condensatus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 399 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  CAS-BOT-BC274471  Leymus triticoides Steve Boyd; Amber Maurice 2004-5-18 11325 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA748328  Leymus triticoides R. G. Swinney 2005-8-9 8419 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  CDA5381  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed; 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 . Comment
  RSA596374  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UCR209421  Lilium parryi R. G. Swinney 2008-9-13 9457 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR138492  Limonium otolepis L. C. Wheeler 1976-7-29 s.n. Los Angeles Dominguez Hills, Victoria Street and Wilmington Boulevard 46 Comment
  CDA41459  Limonium sventenii Michael O Brien 2015-7-1 s.n. Los Angeles Malibu; County Line Beach , a unit of Leo Carrillo State Beach. 0 Comment
  RSA381421  Limosella acaulis Robert F. Thorne 1968-9-24 41383 Los Angeles Angeles National Forest: Jackson Lake 1860 Comment
  RSA469959  Linanthus aureus Robert Gustafson 1978-6-1 994 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  RSA11020  Linanthus californicus C. B. Wolf 1928-4-1 1608 Los Angeles Santa Susanna Pass. 1/2 mi. from summit. Comment
  RSA549149  Linanthus californicus T. S. Ross, Peter Fritsch 1990-6-20 3653 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA652606  Linanthus californicus Bob Edwards 1948-4-26 s.n. Los Angeles Found on hillside (east side) San Gabriel Canyon 3 1/2 mi. N. of Azusa 304 Comment
  POM47841  Linanthus concinnus P. A. Munz 1924-5-25 s.n. Los Angeles Ridge between Lytle Creek and San Antonio Canyon 2591 Comment
  RSA73009  Linanthus concinnus F. W. Peirson 1928-6-2 7931 Los Angeles S fork of Rock Creek: trail toward the summit. 1982 Comment
  RSA775514  Linanthus concinnus Orlando Mistretta, Christine Mistretta 2010-5-20 5175 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA594536  Linanthus dichotomus subsp. dichotomus L. C. Wheeler 1967-5-9 9373 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA0068961  Linanthus dichotomus subsp. pattersonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4856 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  CAS-BOT-BC516254  Linanthus parryae Timothy S. Ross 1995-4-26 8395 Los Angeles Liebre Mountains. Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1208 Comment
  UC23778  Linanthus parviflorus Harley P. Chandler 1897-5-24 Los Angeles Fulkerson's Ranch Claremont 731 Comment
  RSA400301  Linaria canadensis var. texana Thekla Mohr 1897-04 s.n. Los Angeles San Gabriel. [the city of?] Comment
  UCR193681  Lithophragma R. G. Swinney, Dave Larson 1999-5-15 7140 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  SFV16836  Lithophragma affine J. D. Dilley 1997-3-29 150 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon Drive. 245 Comment
  UCR190259  Lithophragma affine R. G. Swinney 2000-5-21 7778 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
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May 8 2012
  UCSB2561  Lithophragma affine Decker, Helen 1946-5-5 Los Angeles Little Bear Canyon, Mt. Baldy Area Comment
  RSA468211  Lithophragma affine subsp. mixtum T. S. Clare 1929-4-13 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA468217  Lithophragma affine subsp. mixtum Louis C. Wheeler 1932-3-26 533 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  UC64642  Lithophragma tenellum H. M. Hall Jun 3 1900-Jun 6 1900 1498 Los Angeles Swarthout Canyon; San Antonio Mountains, Swarthout Canyon 2057 Comment
  UCR61569  Lobelia dunnii var. serrata R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  RSA608640  Lobularia maritima L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  RSA658891  Lobularia maritima Geraldine Dodd 1992-5-16 14 Los Angeles 1.5 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre,. Mt Wilson Hiking Trail 732 Comment
  RSA0113996  Loeflingia squarrosa LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7527 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCR205849  Loeseliastrum matthewsii R. G. Swinney 2008-5-8 8819 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
  UC1349335  Logfia filaginoides Robert F. Thorne and P. Everett 1965-6-22 34913 Los Angeles canyon above Avalon; Santa Catalina Island 152 Comment
  UC1587752  Logfia filaginoides Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-19 5244 Los Angeles w fork Near-Death Canyon (beginning of drainage to Mosquito Cove. (drainage beginning 800 ft n of Rest [1136 ft] marker; 1800 ft se of Malo Knoll [1396 ft])); San Clemente Island, Near-Death Canyon 388 Comment
  CHSC35836  Lolium multiflorum James Henrickson 1973-6-15 10710 Los Angeles City of Long Beach, along overflow channel W of Los Angeles River Channel between Long Beach Blvd. and Del Mar Ave. 6 Comment
  CDA38384  Lomatium dasycarpum W. E. Henson 1929-6-9 s.n. Los Angeles Ridge Route. 0 Comment
  RSA0119539  Lomatium lucidum R. G. Swinney 2014-5-19 16564 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UC566869  Lomatium mohavense H. L. Mason 1926-4-26 2994 Los Angeles 1 mi. e. Palmdale Comment
  RSA0115704  Lomatium nevadense Andrew C. Sanders 2008-4-10 34802 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c.1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  UC1971137  Lomatium nevadense var. parishii Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  SEINET6076612  Lomatium utriculatum Unknown 1969-5-3 Los Angeles San Gabriel Mountains. Bluebird Truck Trail. Comment
  CAS-BOT-BC240482  Lonicera hispidula June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Summit Comment
  SD112048  Lonicera hispidula var. vacillans Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Sant Catalina Island; Middle Ranch road. Comment
  RSA660183  Lonicera interrupta Orlando Mistretta 1992-7-9 656 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA733769  Lonicera subspicata R. G. Swinney 2000-6-19 7811 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  CAS-BOT-BC234874  Lonicera subspicata var. denudata Alice Eastwood 1915-8-25 4892 Los Angeles Country adjacent to Los Angeles. Duarte Comment
  CAS-BOT-BC198568  Lotus C. B. Wolf 1931-6-25 2236 Los Angeles SW of Los Angeles Botanic Garden, along Beverley Blvd., Mandeville Canyon 60 Comment
  RSA603559  Lotus dendroideus var. dendroideus Sara L. Crockett 1997-4-2 653 Los Angeles Santa Catalina Island. 2.4 miles W along Empire Landing Road from jct. with Airport Road, 25 m S of road. 259 Comment
  RSA646114  Lotus grandiflorus var. grandiflorus Orlando Mistretta 1992-9-9 s.n. Los Angeles San Gabriel Mountains: ''Sold'' Peak. North Fork Management Unit; Tujunga Ranger District. Comment
  RSA678245  Lotus hamatus Valerie L. Soza, S. D. Boyd 2002-4-10 1410 Los Angeles West side of Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 610 Comment
  RSA594303  Lotus heermannii var. heermannii Steve Boyd, Lauren Raz 1996-10-14 9069 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  POM7134  Lotus heermannii var. heermannii C. F. Baker 1904-05 4715 Los Angeles hills near Clarmont Comment
  RSA639617  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1967-5-23 9707 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  UCR57523  Lotus purshianus Bill Wagner 1989-8-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northern Santa Monica Mtns, c. 0.5 mi. south of Hwy 101 on E and W sides of Kanan Road, NE of Ladyface Comment
  UC1870218  Lotus salsuginosus var. salsuginosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 710 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  UCR99597  Lotus salsuginosus var. salsuginosus R. G. Swinney 1994-3-19 2717 Los Angeles San Gabriel Mtns., Glendora, 2.5 mi northwest of Big Dalton Canyon Road at Glendora Mountain Rd, c. 100 m below (S) of road 549 Comment
  RSA406836  Lotus scoparius var. scoparius M. Bisbee 1917-5-1 s.n. Los Angeles North side of Eagle Rock Valley Comment
  UCR273397  Lotus scoparius var. scoparius R. G. Swinney 2011-4-26 14497 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
  JEPS65172  Lotus strigosus W. L. Jepson 1935-4-17 17067 Los Angeles Portal Ridge Comment
  RSA0117147  Lotus strigosus Mitchell Provance, Stephen Reynolds 2011-5-5 17213 Los Angeles San Gabriel Valley: City of San Gabriel, northwest of the itnersection of Burton Ave. and E. Las Tunas Dr. Beneath the SCE power lines. 130 Comment
  RSA612081  Lotus strigosus Valerie L. Soza 1998-4-26 71 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. [Coordinates given are] at center of BFS. 411 Comment
  RSA674241  Lotus strigosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 693 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 783 Comment
  UCR101705  Lotus strigosus B. G. Pitzer 1998-5-23 3745 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  POM243725  Lotus strigosus var. strigosus F. R. Fosberg 1931-3-27 54407 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 120 Comment
  SEINET3132486  Lotus strigosus var. strigosus Unknown 1903-4-10 3246 Los Angeles Near Inglewood Comment
  RSA213333  Lotus strigosus var. strigosus Reid V. Moran 1941-2-25 610 Los Angeles Santa Catalina Island. N of Wilson's Harbor. 50 Comment
  CATA332  Lotus unifoliolatus Mark L. Hoefs 1973-7-13 370 Los Angeles Santa Catalina Island: Middle Ranch Canyon, just above reservoir, by main road 236 Comment
  RSA279081  Lotus wrangelianus R. F. Thorne 1971-4-9 41520 Los Angeles Below dam in San Dimas Canyon. 426 Comment
  UCR242038  Lotus wrangelianus Dan S. Cooper 2012-4-30 412- 4 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  POM305672  Lupinus Henry J. Ramsey 1939-4-18 994 Los Angeles Antelope Valley. [Los Angeles or Kern County] Comment
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Nov 26 2016
  UC1871218  Lupinus agardhianus T. S. Ross 1993-4-21 6835 Los Angeles Channel Islands: Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak; Santa Catalina South USGS7.5 elev. ca. 1470 ft. 448 Comment
  SEINET7063474 Image available Lupinus bicolor A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  UC865332  Lupinus bicolor F. R. Fosberg 1931-3-29 S 4377 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon 100 Comment
  HSC43285  Lupinus bicolor David B. Dunn, Epling 1946-4-20 2150 Los Angeles At station #66, Mojave Desert, N side of Palmdale. Comment
  OBI70748  Lupinus bicolor Louis C. Wheeler 1969-5-3 s.n. Los Angeles San Gabriel Mts: Bluebird truck trl. T1N R9W SW 1/4 sec 22 716 Comment
  SEINET10937042  Lupinus bicolor Thorne 1982-4-20 THORNE 55000 Los Angeles San gabriel mts: grassy slopes above little rock creek below dams; erect, Purplish-blue-flowered annual Comment
  POM350046  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-1 2202 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  SBBG131682  Lupinus concinnus S. A. Junak 1999-4-24 SCa 871 Los Angeles E of Empire Landing Rd 213 Comment
  SEINET3860253  Lupinus concinnus R. G. Swinney 2009-4-28 10519 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 miles SE (upstream) of the Mt. Emma Road.; 0 1226 Comment
  UCR138700  Lupinus concinnus L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Mesa on E side of Cruthers Creek, Lewis Ranch 1357 Comment
  RSA413471  Lupinus concinnus Anstruther Davidson 1893-7-6 s.n. Los Angeles Rock Creek Comment
  UCR96154  Lupinus excubitus B. G. Pitzer 1996-4-20 2707 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  CAS-BOT-BC216657  Lupinus excubitus subsp. hallii Huron H. Smith 1912-5-29 5015 Los Angeles Summit Road, Santa Catalina Island 243 Comment
  SEINET10970259  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA# 6454 x 8292 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd male parent () Parenthetic # is f, plant no. Seeds from open field, pollen. Comment
  SEINET10485316  Lupinus flavoculatus Macf 1935-4-19 MACF 13483 Los Angeles California-nevada state line. Out of searchlight hwy. Comment
  OBI12897  Lupinus formosus D. H. Thomson 1944-5-7 s.n. Los Angeles Burbank; Verdugo Hills 671 Comment
  POM2657  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  UC1871118  Lupinus formosus var. formosus T. S. Ross 1993-5-13 7129 Los Angeles Western San Gabriel Mtns: ridgetop saddle at the head of the old road that drops northward to Los Pinetos Spring, San Fernando 7.5'USGS quad, R15W, T3N, NE/4 SW/4 SW/4, S10, Alt 3180ft 970 Comment
  CATA1465  Lupinus hirsutissimus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2650 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  LA200466  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  UCR197201  Lupinus hirsutissimus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 698 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  SEINET10488665  Lupinus hirsutissimus James S. Henrickson, Robert F. Thorne 1963-5-5 Henrickson 32294 Los Angeles Open, rocky slopes of upper cobal canyon, foothills of san gabriel mts.; Ca 4 Mi. N of claremont. 518 Comment
  POM9530  Lupinus latifolius Philip A. Munz, R. D. Harwood 1920-5-17 3996 Los Angeles Topango [Topanga] Canon, Santa Monica Mtns 152 Comment
  UCR270639  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-30 15376 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA584880  Lupinus latifolius subsp. parishii T. S. Ross 1990-6-1 2783 Los Angeles San Gabriel Mountains, Magnetic Springs: in Moody Canyon (ca 2.15 air-miles NW of Mt Gleason) 1195 Comment
  RSA91265  Lupinus longifolius F. W. Peirson 1920-5-14 2147 Los Angeles Lukens Peak, San Gabriel Mts, Los Angeles Count, Alt 3000-3500ft 915 Comment
  SEINET10485626  Lupinus longifolius Wolf 1941-7-2 WOLF 19034 Los Angeles Field collected from along hwy about 1 mi e of la crescenta. 488 Comment
  SBBG69058  Lupinus microcarpus var. densiflorus R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  OBI48494  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1346 Los Angeles Hwy 138 and 26th Ave in Palmdale Comment
  SFV19154  Lupinus odoratus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .1 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  RSA675806  Lupinus sparsiflorus LeRoy Gross 2003-3-7 763 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
  UCD109486  Lupinus sparsiflorus A. C. Sanders 2005-5-5 29869 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. 518 Comment
  RSA008657  Lupinus sparsiflorus Fay A. MacFadden 1933-04 10995 Los Angeles Verdugo Mountains: Tujunga Wash off Radford St., Roscoe. Comment
  RSA0043342  Lupinus succulentus Larry J. Colin 1971-4-5 9 a-1-C Los Angeles Off the Pomona Free. West between Brea Cyn. and Water St. 45 Comment
  SEINET1916072 Image available Lupinus succulentus Rea Raymond 1963-1 285 Los Angeles Padua Hills- near Claremont 384 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
  UCR259996  Lupinus truncatus R. G. Swinney 2010-3-16 11964 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR256854  Luzula comosa R. G. Swinney 2010-10-13 14023 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA249744  Lycium andersonii Robert F. Thorne, C. W. Tilforth 1973-4-20 42985 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
  SBBG13440  Lycium californicum E. R. Blakley 1962-10-4 5412 Los Angeles SE side of the Isthmus Cove Comment
  CAS-BOT-BC231614  Lycium cooperi Robert F. Thorne 1973-5-11 43483 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4-1/2 mi N of Bob's Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano 1158 Comment
  UCR71162  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4403 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  CAS-BOT-BC142278  Lyonothamnus floribundus subsp. floribundus James R. Shevock 1975-3-23 4050 Los Angeles About 1/4 mile northeast of Black Jack Campground towards Whites Cove - Santa Catalina Island 365 Comment
  RSA578214  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  UC860337  Lyonothamnus floribundus subsp. floribundus Mrs. C. E. Miller 1918-6-11 Los Angeles Santa Catalina Island Comment
  CATA49  Lysimachia arvensis USC Wrigley Interns: Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 28 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  JEPS32971  Madia elegans E. R. Blakley 1958-5-9 2267 Los Angeles 2 mi e Gorman 1097 Comment
  SBBG31031  Madia exigua R. F. Thorne, M. Z. Thorne 1966-5-1 36416 Los Angeles Fern Cyn, W of Orizaba Mtn 228 Comment
  RSA0080070  Madia gracilis R. G. Swinney 2010-6-4 13038 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA188029  Madia gracilis R. F. Thorne 1966-4-30 36345 Los Angeles Santa Catalina Island: mouth of Gallagher's Canyon. 8 Comment
  SD218974  Madia gracilis R. F. Thorne, P. C. Everett 1965-5-11 34676 Los Angeles Santa Catalina Island, above summit road from Avalon to airport. 60 Comment
  POM184705  Madia minima Joseph A. Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region 1706 Comment
  SBBG31087  Madia sativa R. F. Thorne 1966-6-1 36460 Los Angeles Pebbly Beach Drive, SE of Avalon 7 Comment
  RSA641078  Maianthemum stellatum Orlando Mistretta 1995-7-12 1926 Los Angeles San Gabriel Mountains: Angeles Crest Highway, 2 miles west of Dawson Saddle. 2316 Comment
  RSA515088  Malacothamnus clementinus Aaron Liston, Mistretta, Loren Rieseberg 1989-4-28 76 -1 Los Angeles San Clemente Island: Horse Beach Canyon, S end of island 18 Comment
  CAS-BOT-BC231885  Malacothamnus davidsonii Alice Eastwood 1919-6-21 9051 Los Angeles San Fernando Comment
  RSA433280  Malacothamnus davidsonii Geo. L. Moxley 1919-8-24 698 Los Angeles Big Tujunga Canyon. Comment
  RSA641495  Malacothamnus davidsonii Louis C. Wheeler 1967-8-13 10466 Los Angeles San Gabriel Mts: Angeles National Forest; Little Tujunga near Dillon Divide 793 Comment
  RSA9539  Malacothamnus davidsonii Fay A. MacFadden 1931-06 3197 Los Angeles Verdugo Mountains: Roscoe. Comment
  CAS-BOT-BC206198  Malacothamnus fasciculatus Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  POM156515  Malacothamnus fasciculatus L. R. Abrams 1902-7-5 2656 Los Angeles Near the power house, San Gabriel Canyon. Comment
  SD69552  Malacothamnus fasciculatus Robert F. Thorne 1966-6-2 36512 Los Angeles Santa Catalina Island, upper end of road leading to White's Landing 395 Comment
  RSA95326  Malacothamnus fasciculatus F. W. Peirson 1918-6-19 109 Los Angeles San Antonio Canyon Wash, south base of San Gabriel Mts. Comment
  RSA630287  Malacothamnus fremontii Louis C. Wheeler 1965-10-23 s.n. Los Angeles Sierra Pelona: Martindale Canyon north side. Comment
  RSA0101001  Malacothamnus fremontii Louis C. Wheeler 1967-6-26 9882 Los Angeles Elsmere Canyon. 441 Comment
  RSA434851  Malacothamnus marrubioides Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  UC1122003  Malacothamnus marrubioides P. L. Johannsen 1934-2-13 282 Los Angeles 1 1/4 mi se Haskell Bouquet Canyon; Santa Susana quadrangle Comment
  UC205366  Malacothamnus orbiculatus I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River 1905 Comment
  CAS-BOT-BC324550  Malacothrix David B. Weissman 1971-6-27 207 Los Angeles San Clemente Island, northwest harbor 91 Comment
  SBBG42152  Malacothrix foliosa subsp. foliosa M. B. Dunkle 1939-4-2 7211 Los Angeles SE point of San Clemente Island Comment
  SBBG44741  Malacothrix glabrata Leota Davidson 1965-5-9 125 a Los Angeles ca. 6-10 mi E of Littlerock Comment
  UCR205707  Malacothrix saxatilis A. C. Sanders, T. B. Salvato 2009-5-18 36804 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  CAS-BOT-BC347938  Malacothrix saxatilis var. tenuifolia LeRoy Abrams 1904-9-2 4174 Los Angeles Elysian Park, Los Angeles Comment
  RSA225981  Malacothrix saxatilis var. tenuifolia R. F. Thorne, A. C. Gibson 1971-5-22 39754 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  SBBG66178  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC306446  Malacothrix saxatilis var. tenuifolia I. Johnston 1910-6-10 1311 Los Angeles Playa del Rey Comment
  UCR143273  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-3-31 S- 4423 Los Angeles Channel Islands, Santa Catalina Island, Avalon 5 Comment
  RSA781095  Malacothrix saxatilis var. tenuifolia Sandy Leatherman, Pam DeVries 2011-4-27 2011 -6 Los Angeles Transverse Ranges; Liebre Mountains region: on the cliff face adjacent to Mesa Drive Road, 200 meters soutwest of Vasquez Canyon Road in Santa Clarita 638 Comment
  CAS-BOT-BC170387  Malosma laurina Alice Eastwood 1915-8-25 4922 Los Angeles Duarte Comment
  CATA3163  Malosma laurina Amy Catalano 2016-6-24 147 Los Angeles Santa Catalina Island: South side of canyon that runs northeast from junction of Cape Canyon Road and Upper Cape Reservoir Road 309 Comment
  RSA535556  Malosma laurina T. S. Ross 1991-9-2 5934 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 503 Comment
  UC218221  Malva nicaeensis P. A. Munz, I. M. Johnston 1922-5-10 5600 Los Angeles Claremont; Southern California, Claremont 365 Comment
  RSA0087068  Malva parviflora R. G. Swinney 2010-5-4 12525 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  SD132622  Malva parviflora M. B. Dunkle 1939-4-6 7293 Los Angeles San Clemente Island. Mosquito Harbor, beach bank by cabin. Comment
  UCR269993  Manihot grahamii R. G. Swinney 2010-6-11 13248 Los Angeles San Gabriel Mountains, Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mile north of Foothill Blvd. 184 Comment
  UCR281365  Marah macrocarpa R. G. Swinney 2014-5-15 16518 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  CHSC46889  Marah macrocarpa var. major Herber G. Baker 1966-4-21 Los Angeles San Clemente Island. Comment
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May 16 2008
  RSA594464  Marrubium vulgare Steve Boyd, Lauren Raz 1996-9-24 8944 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  SFV15559  Marrubium vulgare R. K. Stachelek 1992-4-14 13 Los Angeles Santa Susana Mountains Los Angeles, Northridge. Near entrance to Eddleston Park on Reseda Blvd. 400 Comment
  UCR179686  Marrubium vulgare R. G. Swinney, Dave Larson 1996-8-7 5244 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UCR259066  Matricaria discoidea R. G. Swinney 2010-3-14 11905 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR214628  Matricaria matricarioides A. C. Sanders, Dan S. Cooper 2010-3-12 37368 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR55755  Matricaria matricarioides J. A. Adams 1964-5-8 41 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  POM8022  Meconella denticulata F. L. Robinson 1920-4-28 s.n. Los Angeles San Dimas Canyon. Comment
  POM2402  Medicago lupulina I. M. Johnston 1917-6-15 1277 Los Angeles Camp Baldy. Comment
  POM2401  Medicago lupulina D. L. Crawford 1916-4-20 s.n. Los Angeles Claremont. Comment
  CDA4221  Medicago polymorpha L. C. Wheeler 1945-4-17 6016 Los Angeles Los Angeles Basin, near intersection of Slauson and Garfield Ave., [city of Commerce] 3 miles south of Montebello Comment
  POM348021  Medicago polymorpha M. B. Dunkle 1932-2-27 2868 Los Angeles Silver Canyon trail, Santa Catalina Island. Comment
  RSA631378  Medicago polymorpha Valerie L. Soza, LeRoy Gross 1999-5-10 456 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  CDA4222  Medicago polymorpha L. C. Wheeler 1967-5-18 9649 Los Angeles San Gabriel Mountains, vicinity of Oak of the Golden Dream. Comment
  POM348027  Medicago polymorpha Charles F. Seymour 1902-5-19 s.n. Los Angeles College Campus Comment
  RSA602263  Medicago polymorpha var. brevispina Louis C. Wheeler 1946-4-22 6193 Los Angeles Alhambra. Valley Blvd., one block west of Fremont. Comment
  POM307072  Medicago sativa Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1934 Los Angeles Below north Whittier Heights Comment
  RSA0040467  Melaleuca viminalis R. E. Riefner Jr. 2007-7-28 07 -331 Los Angeles city of Malibu, Malibu Lagoon, east side of Hwy 1, Malibu Lagoon State Park 4 Comment
  CAS-BOT-BC281498  Melica imperfecta Mrs. Jos Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  CHSC118945  Melica imperfecta Duncan S. Bell; Catlin Elam 2013-7-11 5364 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  POM263184  Melica imperfecta J. C. Roos 1937-3-25 442 Los Angeles 12 miles west of Lancaster Comment
  POM357045  Melica imperfecta George R. Johnstone 1929-7-14 14089 Los Angeles Griffith Park. Comment
  RSA226199  Melica imperfecta Gary D. Cromwell 1971-4-30 596 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles NE of Glendora. 150 m. from Big Dalton Canyon Road. 426 Comment
  SBBG105559  Melica imperfecta T. Ross, S. Boyd 1994-5-25 7936 Los Angeles Necktie Basin, W of Warm Springs Mtn summit 1060 Comment
  SEINET255218 Image available Melica imperfecta Joseph M. Keefe 1978-4-28 22830 Los Angeles Traverse Range; Verdugo Mtns; La Crescentia, Henderson Canyon Creek, 0.5 km west of Lockerbie Road on Whitting Woods Road; Cliff on northwest side of creek. 427 Comment
  UC440484  Melica imperfecta Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCR213247  Melica imperfecta Dan S. Cooper 2010-3-26 20100326- 13 B Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Lower Beacon Trail in SE corner of park 232 Comment
  POM204735  Melica imperfecta var. flexuosa Le Roy Abrams 1901-04 1346 Los Angeles Pasadena. Comment
  RSA0062629  Melilotus albus R. G. Swinney 2010-6-8 13200 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  SFV16230  Melilotus albus L. Peralta 1996-5-13 s. n. Los Angeles Orcas Park off Orcas Road, about 2 miles south. Comment
  RSA654334  Melilotus indicus Benjamen Rangel 1992-5-10 777 -40 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA654341  Melilotus officinalis Valerie L. Soza, Laura Moore 2000-5-30 970 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 487 Comment
  SBBG31044  Mentha R. F. Thorne 1966-4-29 36299 Los Angeles upper Middle Ranch Cyn just below small reservoir 274 Comment
  RSA409914  Mentha canadensis L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  UCR194152  Mentzelia albicaulis A. C. Sanders 2008-4-13 34877 Los Angeles Western Mojave Desert, Antelope Valley, northeastern Palmdale, Ave. 'O' at 90th St. East 786 Comment
  SD130298  Mentzelia congesta J. Hershberg, T. Glenn 1990-5-20 Los Angeles Angeles National Forest, near Agua Dulce. 1219 Comment
  UCR222804  Mentzelia laevicaulis R. G. Swinney 2009-5-8 10701 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0034479  Mentzelia lindleyi L. Haines 1949-4-28 s.n. Los Angeles Canoga Park. 243 Comment
  RSA0047419  Mentzelia micrantha R. G. Swinney 2010-5-4 12501 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
  RSA599710  Mentzelia micrantha Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9459 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
  SD114199  Mentzelia micrantha Darley F. Howe 1959-5-5 2710 Los Angeles Near mouth of San Gabriel Canyon, San Gabriel Mountains. Comment
  RSA0065559  Mentzelia pectinata Charles D. Dunn 1972-4-3 s.n. Los Angeles W. Quartz Hill. 1219 Comment
  RSA402611  Mesembryanthemum crystallinum M. B. Dunkle 1928-3-17 1755 Los Angeles Indian Rock, Santa Catalina Island. Comment
  UC1136607  Mesembryanthemum crystallinum A. D. Gifford 1934-5-15 240 Los Angeles Escondido Canyon 30 Comment
  CAS-BOT-BC435238  Mesembryanthemum crystallinum Herman Knoche 1919-7-4 Series A, No. 990 Los Angeles San Clemente Island, dominant beach N.W. corner. Comment
  POM770  Mesembryanthemum crystallinum D. L. Crawford 1916-5-10 s.n. Los Angeles Upper San Dimas Canyon Comment
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Jul 7 2008
  RSA92074  Micropus californicus F. W. Peirson 1301 Los Angeles Santa Monica, Los Angeles, California Comment
  POM18204A  Microseris elegans P. A. Munz 1923-4-10 6732 Los Angeles Grassy slope S of Lemon Tank, San Clemente Island 244 Comment
  RSA709548  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29742 Los Angeles Western San Gabriel: Liebre Mtns. Region: Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  UCR184108  Microseris lindleyi A. C. Sanders, T. B. Salvato 2007-4-24 33487 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
  UCR269954  Microseris lindleyi R. G. Swinney 2010-6-1 13090 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR281646  Microseris lindleyi R. G. Swinney 2014-5-8 16455 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
  POM246541  Microseris lindleyi F. R. Fosberg 1931-4-4 4491 Los Angeles Cherry Canyon, Santa Catalina Island. 60 Comment
  RSA725111  Microsteris gracilis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -52 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
  RSA298673  Mimulus aurantiacus D. C. Michener 1982-8-3 4165 Los Angeles San Gabriel Mountains: CA 2 ca. 7.6 miles above junction with I-210 in Pasadena. Comment
  RSA439246  Mimulus aurantiacus var. pubescens Richard C. Barkelew 1929-4-10 s.n. Los Angeles Glendale. Comment
  SFV5509  Mimulus aurantiacus var. pubescens W. A. Kelley Jun 1967 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  UC943833  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-13 5600 Los Angeles e La Crescenta (at junction of Oceanview Blvd. and Foothill Blvd., Highway 118); San Gabriel Mts. Comment
  UCR213383  Mimulus aurantiacus var. pubescens Dan S. Cooper 2010-3-29 20100329- 32 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR281329  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-19 16549 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA442691  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-10 S- 4535 Los Angeles Avalon Canyon, Santa Catalina Island 160 Comment
  RSA442697  Mimulus aurantiacus var. puniceus Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  LA51873  Mimulus brevipes Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA408160  Mimulus brevipes Anstruther Davidson 1889-08 1881 Los Angeles Newhall. Comment
  LA91464  Mimulus brevipes Bruce Douglas Clayton; Greg Shaw 1972-4-4 64 Los Angeles SANTA MONICA MOUNTAINS, Upper Temescal and Rustic Canyons, Mountain Park Research Campus, south slope of BDC peak. 560 Comment
  CATA315  Mimulus cardinalis Mark L. Hoefs 1973-6-5 342 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon, in stream bed by main road at bridge 22 Comment
  SFV5498  Mimulus cardinalis W. A. Kelley Jun 1967 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  RSA188321  Mimulus cardinalis Robert F. Thorne, Percy C. Everett 1965-6-24 35041 Los Angeles Santa Catalina Island: below dam in lower Cottonwood Canyon 38 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
  UCR87229  Mimulus floribundus R. G. Swinney 1992-7-3 1810 Los Angeles San Gabriel Mtns, Glendora, Little Dalton Debris Basin 366 Comment
  RSA657285  Mimulus guttatus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -17 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  SBBG96964  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4304 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UCR227773  Mimulus guttatus R. F. Thorne 1966-4-29 36300 Los Angeles Channel Islands, Santa Catalina Island, upper Middle Ranch Canyon just below small reservoir 274 Comment
  SBBG98482  Mimulus guttatus T. Ross 1991-5-21 5411 Los Angeles jct of two fks of Box Cyn 449 Comment
  SFV3397  Mimulus parishii R. L. Armacost 1933-7-4 16 Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  UC27082  Mimulus parishii Dr. A. Davidson 1895-1 Los Angeles Rock Creek Mojave Dist. Comment
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Apr 29 2009
  UCR256613  Mimulus parishii Anuja Parikh, Nathan Gale 2011-6-10 3443 Los Angeles Transverse Range; San Gabriel Mountains, north of Aliso Canyon, 0.2 km west of Angeles Forest Hwy, 1.3 km north of Aliso Canyon Road 1170 Comment
  RSA0091501  Mimulus pilosus R. G. Swinney 2010-6-29 13375 B Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA749075  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UC147930  Minuartia douglasii C. F. Baker 1909-5-15 5351 Los Angeles mts. near Claremont Comment
  UC284261  Minuartia douglasii P. A. Munz 1923-5-26 6825 Los Angeles Big Rock Creek San Gabriel Mts. 1371 Comment
  CAS-BOT-BC434625  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19258 Los Angeles Lone Hill, near San Dimas Comment
  CAS-BOT-BC434634  Mirabilis laevis var. crassifolia Carl B. Wolf 1928-4-1 1607 Los Angeles Santa Susanna Pass 1/2 mi. from Summit 457 Comment
  CAS-BOT-BC434650  Mirabilis laevis var. crassifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8475 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  SFV20837  Mirabilis laevis var. crassifolia L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 709 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  PASA596  Mirabilis laevis var. glutinosa Frank W. Peirson 1930-7-10 Los Angeles Big Rock Creek 1371 Comment
  RSA229118  Mirabilis laevis var. villosa Robert F. Thorne, C. W. Tilforth 1971-6-30 40843 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: above Little Sycamore Campground along Little Rock creek. 1189 Comment
  SD186254  Modiola caroliniana A. C. Sanders 2003-5-1 26287 Los Angeles Irwindale, near boundary of Azusa, south side of Montoya St., just east of Irwindale Ave. 170 Comment
  UCD86062  Monanthochloe littoralis R. L. Pendleton; F. M. Reed 1909-7-6 1425 Los Angeles Santa Catalina Island. 1 Comment
  UCR256185  Monardella australis subsp. cinerea R. G. Swinney 2010-9-23 13881 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  CAS-BOT-BC219913  Monardella breweri subsp. glandulifera Louis C. Wheeler 1932-7-2 918 Los Angeles Ridge S. Brown Flat, San Gabriel Mts. 1371 Comment
  UCR179452  Monardella breweri subsp. glandulifera R. G. Swinney, Dave Larson 1996-7-17 5119 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA184067  Monardella exilis I. L. Wiggins 1966-4-24 20647 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mojave Desert. Comment
  UC1995353  Monardella exilis P. A. Munz and T. Craig 1933-5-13 12939 Los Angeles 10 mi s Muroc Comment
  LA200987  Monardella hypoleuca subsp. hypoleuca Carl Wishner; 1996-6-21 2270 Los Angeles 500.0 Comment
  CAS-BOT-BC220434  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles San Antonio Mountains. Head of Evey Canon [Canyon] 1447 Comment
  LA54254  Monardella saxicola Louis Wheeler; 1932-6-27 880 Los Angeles San Gabriel Mountains, 200 yds. NNE San Dimas Canyon Dam near the road 426 Comment
  SBBG129203  Monolopia lanceolata L. Haines 1963-4-23 790 Los Angeles 0.25 mi W of jct of Old Topanga Cyn Rd and Dry Cyn, Cold Crk Rd, N slope of Santa Monica Mtns 381 Comment
  RSA0010787  Morus alba Tim Turmezei 1988-3-2 35 Los Angeles Walnut Creek. Comment
  UCR204813  Muhlenbergia asperifolia R. G. Swinney 2005-8-22 8521 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR281428  Muhlenbergia californica R. G. Swinney 2011-11-1 15975 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  SBBG20738  Muhlenbergia microsperma E. R. Blakley 1963-12-7 6325 Los Angeles base of cliffs on S slope, W of Pyramid Head, S of Lighthouse 38 Comment
  SEINET179625 Image available Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  POM175352  Muilla maritima E. Crow, L. West 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail below Crystal Lake. Comment
  RSA377605  Muilla maritima Fay A. MacFadden 1931-4-10 2581 Los Angeles Dry hillsides, Tejunga Canyon 426 Comment
  CAS-BOT-BC327742  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Island. Large canyon below the Tomb. 243 Comment
  CAS-BOT-BC243702  Myoporum laetum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7412 Los Angeles Rancho Palos Verdes, un-named horsesho-shaped canyon to the NE of upper Forrestal Drive, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 167 Comment
  SD225026  Myoporum laetum Scott D. White 1995-3-15 2575 Los Angeles Upslope from Winter Canyon, near Pepperdine Univ.; N of Pacific Coast Hwy., E of Malibu Cyn. Rd., SE of Malibu Civic Center Way. 91 Comment
  RSA421091  Nama californica Anstruther Davidson 1907-1 s.n. Los Angeles Antelope Valley Comment
  UC24137  Nama californica Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  UC167321  Nassella cernua Geo. B. Grant Jun 1902 1249 Los Angeles Pasadena Comment
  POM8233  Nassella lepida P. A. Munz, R. D. Harwood 1920-4-21 3704 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  CAS-BOT-BC260138  Nassella pulchra Reid Moran 1941-2-16 570 Los Angeles On W end of ravine, Middle Ranch, San Clemente Island 500 Comment
  RSA431552  Nasturtium officinale Edwin Kline 1924-8-3 14852 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA584121  Nasturtium officinale Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 2987 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA555453  Navarretia atractyloides R. F. Thorne 1966-4-30 36356 Los Angeles Santa Catalina Island; Grassy slope above Gallagher's Canyon 427 Comment
  UCR229171  Navarretia atractyloides Dan S. Cooper 2011-5-31 511- 62 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, Claremont, Thompson Creek Dam area 493 Comment
  CATA1100  Navarretia hamata subsp. leptantha Mark L. Hoefs 1995-5-23 2054 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  RSA190961  Navarretia hamata subsp. leptantha R. F. Thorne, Percy C. Everett 1965-6-23 34989 Los Angeles Santa Catalina Island:near mouth of Hamilton Canyon NW of Avalon 23 Comment
  RSA4559  Navarretia ojaiensis B. Thoele, L. Thoele 1932-05 s.n. Los Angeles Malibu Lake, Santa Monica Mtns. Comment
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Feb 1 2011
  CHSC95902  Nemacladus longiflorus var. breviflorus LeRoy Gross 2005-5-3 2201 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  SFV22083  Nemacladus orientalis O. Mistretta, C. Mistretta 2010-5-20 5160 Los Angeles San Gabriel Mountains Slopes west of Angeles Forest Highway, about 0.6 miles north of junction with Aliso Canyon Road. 1189 Comment
  UC1595345  Nemacladus pinnatifidus Tim Ross 1992-5-17 6362 Los Angeles 740 m distant mouth of Shoemaker Canyon (East Fork of the San Gabriel River); San Gabriel Mountains, East Fork of the San Gabriel River 713 Comment
  RSA596173  Nemacladus ramosissimus L. C. Wheeler 1957-5-5 7264 Los Angeles San Gabriel Mountains. Dunsmore Canyon. 883 Comment
  SBBG3750  Nemacladus rubescens R. Hoffmann 1929-5-20 Los Angeles Roosevelt Comment
  POM8921  Nemophila maculata P. A. Munz 1921-3-25 4479 Los Angeles Claremont. Comment
  UCR214103  Nemophila menziesii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37974 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  SEINET3156484  Nemophila menziesii var. integrifolia E. K. Balls, L. W. Lenz 1950-3-28 14453 Los Angeles 12 miles S of Castaic, Hwy. 99 335 Comment
  RSA184061  Nicolletia occidentalis I. L. Wiggins 1966-4-24 20653 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mojave Desert. Comment
  CAS-BOT-BC231559  Nicotiana glauca Geo. B. Grant 1901-3-13 s.n. Los Angeles Pasadena Comment
  RSA426695  Nicotiana glauca Anstruther Davidson 1890-09 1934 Los Angeles Los Angeles. Comment
  RSA683177  Nicotiana glauca LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1097 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UC7443  Nitrophila occidentalis J. Burtt Davy May 9 1896-May 24 1896 2249 Los Angeles margin of Dry Lake Antelope Valley Comment
  UCR210417  Notholaena californica R. G. Swinney 2008-12-6 9966 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UCR124483  Oenothera elata B. C. Templeton 1932-7-20 5040 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR260029  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-4-21 12321 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  POM355622  Oenothera elata subsp. hirsutissima E. S. Spalding 1923-10-11 s.n. Los Angeles Near Dahlia farm, La Canada road Comment
  POM126857  Oenothera rosea F. M. Reed 1905-10-2 267 Los Angeles Chicago Ave, Riverside. Comment
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May 22 2009
  RSA595508  Olea europaea Louis C. Wheeler 1969-2-16 s.n. Los Angeles Canyon Crest Road, west side Millard Canyon. 404 Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  POM285339B  Opuntia vaseyi Lyman Benson 1955-9-3 15591 Los Angeles Wash at Gladstone Ave Bridge west of San Dimas. 244 Comment
  RSA452103  Oreonana vestita L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, Angeles National Forest, [San Gabriel Mountains]. 3049 Comment
  RSA602741  Orobanche fasciculata Louis C. Wheeler 1967-7-15 10056 Los Angeles San Gabriel Mountains: SW side Mt. Waterman. 1951 Comment
  UCR95592  Orobanche parishii subsp. parishii Steve Boyd, Mark Elvin, V. Jotikasthira 1996-6-25 8888 Los Angeles Liebre Mtns., along summit of Sawmill Mountain, west of Sawmill camp and just north of 7N23 1610 Comment
  UCD162752  Orobanche uniflora Robert Walsh 2015-4-22 1 Los Angeles East of City of Santa Clarita, Placerita Canyon State Park. From Walker Ranch trailhead on Placerita Canyon Road, south to Waterfall Trail; then south on Waterfall Trail 430 m to collection point mid-trail. 581 Comment
  UCR181362  Osmorhiza brachypoda R. G. Swinney 1995-3-11 3382 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 378 Comment
  UCR193687  Osmorhiza chilensis R. G. Swinney, Dave Larson 1999-6-25 7415 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA128260  Oxalis albicans subsp. californica H. J. Thompson 1959-3-31 1907 Los Angeles 1 mile north of Mulholland Highway, 1.8 miles south of Malibu Junction, Cornell Road 274 Comment
  RSA188327  Oxalis corniculata Robert F. Thorne 1966-5-31 36428 Los Angeles Santa Catalina Island: Avalon. 8 Comment
  RSA162824  Oxalis pes-caprae John Olmsted 1958-3-2 s.n. Los Angeles Gradual Southward drainage along San Antonio Creek, Blanchard Park, Pomona College Campus, Claremont near eastern boundary. Comment
  RSA126748  Packera breweri P. H. Raven 1959-5-1 14051 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virenes Rd. 274 Comment
  RSA434245  Paeonia californica T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UC1302325  Paeonia californica Peter H. Raven and Robert F. Thorne 1964-5-7 19026 Los Angeles near Seminole Hot Springs; Santa Monica Mountains, Saddle Rock Ranch Comment
  POM48029  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont. Comment
  LA200736  Papaver californicum Unknown; 1927-5-14 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM8021  Papaver californicum F. L. Robinson 1918-4-28 s.n. Los Angeles San Dimas Canyon. Comment
  CDA2137  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island. Lemon Tank Road, ca. 25 m east-southeast of its intersection with the main north-south island road. Comment
  SBBG95210  Parapholis incurva M. B. Dunkle 1908-4-29 Los Angeles near lagoon, Little Harbor Comment
  UCD88606  Parapholis incurva Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  SFV20884  Parietaria hespera var. californica L. Gross, B. Hogshead, V. Soza 2003-5-29 956 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  UC729795  Parietaria hespera var. californica Carl B. Wolf 1932-5-11 Los Angeles Fourth O' July Cove Santa Catalina Island (above the road) 30 Comment
  RSA599964  Parietaria hespera var. hespera Louis C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  RSA448014  Parietaria hespera var. hespera M. B. Dunkle 1939-4-3 7223 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA534024  Parietaria hespera var. hespera Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5280 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336' marker; 1800 ft SE of Malo Knoll (1396'). Upper portion of drainage. 305 Comment
  SEINET239059 Image available Paspalum dilatatum Scott D. White 1997-5-8 5069 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom adjacent slopes below Morris Dam. (USGS 7.5' Azusa quad) 275 Comment
  UC2061653  Paspalum quadrifarium R. E. Riefner Jr. 2007-7-1 07 -288 Los Angeles City of of San Dimas, Puddingstone Reservoir, Bonelli Regional Park, East Shore of Dr. Comment
  UCR238477  Paspalum quadrifarium R. E. Riefner Jr. 2007-7-1 07- 288 Los Angeles city of San Dimas, Puddingstone Reservoir, Bonelli Regional Park, East Shore Drive 285 Comment
  UCR95371  Pectocarya anisocarpa T. S. Ross 1995-4-7 8350 Los Angeles 'Old Ridge Route': 3.95 mi north of its junction with Lake Hughes Road, west of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 631 Comment
  UCR205071  Pectocarya linearis R. G. Swinney 2008-4-7 8616 B Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UC1584707  Pectocarya linearis subsp. ferocula Tim Ross 1991-3-24 4312 Los Angeles Whittier Hills 310 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
  UCR220254  Pectocarya penicillata R. G. Swinney 2009-4-28 10506 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA549538  Pectocarya penicillata T. S. Ross 1992-4-27 6242 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA549555  Pectocarya setosa Tim Ross 1992-4-4 6070 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  UCR280735  Pectocarya setosa R. G. Swinney 2014-4-30 16291 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  UC1537391  Pectocarya setosa Gordon H. True Jr. 1936-3-21 280 Los Angeles 7 mi w Palmdale; Bouquest Canyon 944 Comment
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Apr 25 2012
  UCR23178  Pedicularis semibarbata Polly Schiffman 1981-5-23 028 Los Angeles San Gabriel Mtns., Angeles National Forest, Charlton Flat, 35 mi north of La Canada-Flintridge on Angeles Crest Hwy, next to water tank beside the hwy 1829 Comment
  RSA670401  Pedicularis semibarbata Bonnie C. Templeton 1932-5-31 4860 Los Angeles Big Pines Camp. San Gabriel Mountains. Comment
  CATA2238  Pelargonium X hortorum Sara L. Crockett 1997-3-7 84 Los Angeles Santa Catalina Island: 323 Clemente Street 24 Comment
  LA94138  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1643 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, ca 0.5 mi from canyon mouth. 152 Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  UC42637  Pellaea andromedifolia unknown March, 1885 Los Angeles Los Angeles Comment
  RSA248848  Pellaea andromedifolia R. F. Thorne 1973-4-11 42867 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  RSA686736  Pellaea andromedifolia Geo L. Moxley 1915-7-19 380 Los Angeles Eagle Rock. Comment
  UCR204847  Pellaea mucronata R. G. Swinney 2005-8-11 8438 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA509606  Pennisetum clandestinum L. C. Wheeler 1966-10-25 9086 Los Angeles San Gabriel Canyon at El Encanto. Comment
  RSA0055991  Pennisetum setaceum Richard G. Swinney 2010-3-16 11926 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA310139  Penstemon caesius Wayen E. Sawyer 1980-7-9 8 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and Vincent Gap, 1.3 mile from Dawson Saddle. 2348 Comment
  POM305759  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1957-3-26 965 Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA650286  Penstemon centranthifolius Ken Chapman, Glenn Harthorn, Don Lage 1949-4-16 s.n. Los Angeles Lake Hughes. Found on hillside above Lake Hughes. 999 Comment
  UCD124076  Penstemon centranthifolius Elise Jackson 1993-5-2 28 Los Angeles Newhall, Placerita Canyon Road, 1/2 mile southeast of Sierra Hwy, south side of road, approximately 50 yards from road. 487 Comment
  RSA350946  Penstemon dubius Robert Kessler 1928-1 s.n. Los Angeles Fire break Mt. Lowe Comment
  RSA408053  Penstemon grinnellii subsp. grinnellii L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA788827  Penstemon grinnellii subsp. grinnellii Jane Tirrell, Shirley Imsand 2012-7-6 LS 0090 Los Angeles Along the Pacific Crest Trail approx. 0.5 mile east of Windy Gap 2423 Comment
  UCR96141  Penstemon heterophyllus B. G. Pitzer 1996-4-21 2713 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  RSA408094  Penstemon heterophyllus var. australis Albert J. Perkins 1914-5-10 s.n. Los Angeles Mt. Lowe. Comment
  UC213142  Penstemon heterophyllus var. australis A. R. Davis 1915-6-30 Los Angeles Palmer's Canyon Claremont, Palmer's Canyon (Claremont, Southern California) 457 Comment
  RSA730174  Penstemon labrosus R. G. Swinney 1998-9-4 6885 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA643173  Penstemon labrosus Orlando Mistretta 1993-6-28 906 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  SD37428  Penstemon palmeri var. palmeri Frances Mc Cullock 1931-5-4 2055 c Los Angeles Tye Canyon, San Gabriel Range Comment
  UC1409013  Penstemon rostriflorus Robert F. Thorne and J. Dourley 1967-10-10 37368 Los Angeles 1.5 mi e Dawson Saddle (Angeles National Forest); San Gabriel Mts., Angeles National Forest 2346 Comment
  UCR204841  Penstemon rostriflorus R. G. Swinney 2005-8-11 8455 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA285597  Penstemon rostriflorus D. C. Michener 1981-7-27 4023 Los Angeles San Gabriel Mountains. Blue Ridge ca. 2.0 miles east of junction with CA 2 on Blue Ridge road. Comment
  UC88030  Pentachaeta lyonii T. S. Brandegee Los Angeles Santa Catalina Comment
  RSA0060339  Pentagramma triangularis Karen Hosterman 1957-4-8 963 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA0062915  Pentagramma triangularis Lyman Benson 1945-1-20 11591 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  LA94206  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-16 1775 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  LA94216  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1859 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  UC399588  Pentagramma viscosa R. L. Pendleton 1909-7-4 1417 Los Angeles s of Avalon; Santa Catalina Isl. 304 Comment
  SEINET5767576  Peritoma arborea A. A. Heller 1908-6-19 8956 Los Angeles Santa Catalina Island, near Avalon Comment
  SD253531  Persicaria hydropiperoides R. G. Swinney 2011-11-3 15979 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Fkirst Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  SEINET3923793  Persicaria lapathifolia Steve Boyd, Valerie Soza; Victoria Jotikasthira; L. Raz 1996-7-11 8902 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake.; 0 469 Comment
  SBBG125066  Phacelia A. Parikh, N. Gale 2010-6-10 3280 Los Angeles E Liebre Mtns, Sierra Pelona, NW of Vincent and Soledad Pass, 2.3 km NW of State Hwy 14 1076 Comment
  UCR189976  Phacelia R. G. Swinney 1998-8-31 6875 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  RSA421522  Phacelia bicolor Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA426153  Phacelia bicolor Ora M. Clark 1929-3-30 1926 Los Angeles E of Lancaster Comment
  RSA574345  Phacelia brachyloba R. G. Swinney 1994-5-12 2841 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  UC519932  Phacelia brachyloba Carl Epling and Louis Wheeler 1933-6-4 1758 Los Angeles Ridge Route near Summit 1524 Comment
  UCR270494  Phacelia brachyloba R. G. Swinney 2011-7-7 15420 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA190967  Phacelia cicutaria var. hispida Robert F. Thorne, D. Propst, R. Carolin 1967-3-19 36760 Los Angeles Santa Catalina island: Lookout Point above and S of Pebbly Beach. 46 Comment
  RSA653464  Phacelia cicutaria var. hispida Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 755 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 488 Comment
  SD186241  Phacelia cicutaria var. hispida A. C. Sanders, Helen Kennedy 2005-4-13 29421 Los Angeles Santa Clarita area, lower Mint Canyon at Mint Canyon. 456 Comment
  UCR190522  Phacelia cicutaria var. hispida R. G. Swinney 2000-6-19 7816 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR197207  Phacelia cicutaria var. hispida Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 755 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  UCR210534  Phacelia cicutaria var. hispida R. G. Swinney 2008-12-4 9942 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR213314  Phacelia cicutaria var. hubbyi Justin M. Wood 2009-6-8 856 Los Angeles San Gabriel Mountains, city of San Dimas, Sycamore Canyon, Falcon Ridge Ranch 457 Comment
  JEPS2360  Phacelia davidsonii Frank W. Peirson 1920-5-9 968 Los Angeles summit San Gabriel Mountains, Mt. Wilson 1767 Comment
  JEPS8605  Phacelia davidsonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4182 Los Angeles junction of road to Horse Flat Public Camp and main (paved) road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  SD237469  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Transverse Range: San Gabriel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn. 7.5'Q) 1584 Comment
  UCR205466  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  LA88540  Phacelia douglasii O. H. Kappler; 1946-4-13 1128 Los Angeles Mint Canyon Road, 8 mi. S of Palmdale Comment
  SD51899  Phacelia floribunda Peter H. Raven 1962-7-12 18037 Los Angeles Northwest Harbor, west end. 14 Comment
Read comments
Feb 20 2017
  SBBG64951  Phacelia grandiflora M. N. Ackley 1927-5-29 Los Angeles Mulholland Drive 548 Comment
  RSA9284  Phacelia grandiflora P. A. Munz 1920-4-29 3800 Los Angeles San Dimas Canyon. 457 Comment
  UCD120447  Phacelia grandiflora Gene Bishop 1994-5-19 T- 5 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  RSA717786  Phacelia imbricata subsp. imbricata R. G. Swinney, Dave Larson 1996-7-17 5120 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  UCR213952  Phacelia imbricata subsp. imbricata Dave Silverman, Cindy Hopkins 2007-4-27 6780 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  UC1174668  Phacelia longipes L. R. Heckard, R. Bacigalupi, and G. T. Robbins 1953-6-15 508 Los Angeles along Forest Service rd near confluence of Pacoima Creek with its North Fork; San Gabriel Mts., Pacoima Canyon Comment
  UC672395  Phacelia longipes Herbert L. Mason 1927-6-11 3739 Los Angeles Mt. Wilson San Gabriel Mts. 1524 Comment
  SBBG50409  Phacelia lyonii M. R. Benedict 1970-6-30 Los Angeles 0.5 mi W of Eagles Nest Comment
  CDA40402  Phacelia minor T. C. Fuller 1962-4-1 8179 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  JEPS1180  Phacelia minor C. E. Hutchinson 1902-6-4 Los Angeles San Gabriel Canyon San Gabriel Mts. 487 Comment
  LA38566  Phacelia ramosissima A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UC1069417  Phacelia ramosissima var. ramosissima Jerome S. Horton 1936-7-18 209 Los Angeles above Dalton Canyon C.C.C. Camp; Pomona Quadrangle, Dalton Watershed 426 Comment
  UC1375311  Phacelia ramosissima var. ramosissima R. F. and M. Z. Thorne 1969-7-10 38424 Los Angeles ca 1.5 mi w Wrightwood (above small stream); San Gabriel Mts., Angeles National Forest 1950 Comment
  RSA717378  Phacelia tanacetifolia Scott D. White, Pam DeVries 2006-5-9 11398 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
  SD125449  Phacelia viscida Daryl Koutnik 1978-5-10 466 Los Angeles Santa Monica Mts, Corral Canyon Rd, roadside 640 Comment
  RSA595003  Phalaris aquatica Mark Hoefs, Steven Junak, Janet Takara, Misty Gay 1995-7-13 2374 Los Angeles Santa Catalina Island. Silver Peak Trail Road, off Upper West End Road. 476 Comment
  UCR204238  Phalaris aquatica Valerie Soza, LeRoy Gross 2001-5-22 1234 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, at end of old fire road west of Sycamore Flat Motorway (FS Road 1N15) 716 Comment
  CLARK-A1528-4794  Phalaris canariensis Alfred R. Roos 1958-5-21 Los Angeles Brentwood Comment
  SD52898  Phalaris minor Peter H. Raven 1962-7-11 17993 Los Angeles San Clemente Island; upper reaches of canyon north of station Nanny, northeast of Lemon Tank Comment
  UCR216866  Phalaris minor R. G. Swinney 2009-3-12 10097 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  SD264714  Phalaris paradoxa Steven A. Junak, Mark Hoefs 1998-6-12 Sca 733 Los Angeles Santa Catalina Island: Along Banning House Road, ca. 1.0 mile from Two Harbors. 228 Comment
  RSA729650  Phlox diffusa R. G. Swinney 1998-7-2 6248 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA459314  Pholistoma racemosum Bonnie C. Templeton 1968-2-25 11383 Los Angeles North slope of bank near the bottom of a canyon. Near the Isthmus, Santa Catalina Is. Comment
  SBBG80314  Pholistoma racemosum F. C. Boutin 1967-4-23 1674 Los Angeles Lemon Tank 304 Comment
  UC557752  Pholistoma racemosum Nell Murbarger March, 1936 76 b Los Angeles e. side to mesa summit San Clemente Isl. Comment
  SD75488  Pholistoma racemosum M. B. Dunkle 1939-4-6 7309 Los Angeles San Clemente Island. Mosquito Harbor, in a Cactus-Rhus clump. Comment
  UC605037  Pholistoma racemosum C. F. Millspaugh 1920-2-7 4687 Los Angeles Pebble Beach Canyon Santa Catalina Isl., Pebble Beach Canyon Comment
  RSA578114  Phoradendron bolleanum var. densum Tim S. Ross, Steve D. Boyd 1994-9-20 8230 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  SD215690  Phoradendron leucarpum subsp. tomentosum Timothy S. Ross, Steve Boyd, Orlando Mistretta & Peter W. Frtisch 1990-6-22 3732 Los Angeles Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1707 Comment
  RSA97443  Phoradendron macrophyllum F. W. Peirson 1918-11 1717 Los Angeles Above Camp Baldy, San Antonio Canyon, San Gabriel Mts. 1341 Comment
  RSA599606  Phragmites australis Steve Boyd, Lauren Raz 1997-4-16 9500 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5., Near 34? 41' 58.3''N 118 ? 46' 58.7''W. 853 Comment
  POM247962  Phyllospadix torreyi F. R. Fosberg 1931-4-12 4575 Los Angeles Jewfish Point Santa Catalina Island 0 Comment
  CAS-BOT-BC452035  Phyllospadix torreyi James R. Shevock 1973-9-29 3195 Los Angeles Near Bluff Cove, Palos Verdes Estates Comment
  HSC24448  Pinus contorta var. murrayana B. A. Prigge 1970-12-12 109 Los Angeles 18 mi .(air) N of San Dimas 1.0 mi. S of Dawson Saddle on Hwy. 2, San Gabriel Mtns., Bulk Collection # 30 2744 Comment
  SEINET3562271 Image available Pinus coulteri Walter Schlaer 1965-11-7 s.n. Los Angeles Charlton Picnic Area, 10 miles northeast of Pasadena, Angeles National Forest. 1646 Comment
  UCR256235  Pinus flexilis R. G. Swinney 2010-9-21 13848 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA169026  Pinus jeffreyi Mark Parratt 1964-2-6 603 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UCSB18712  Pinus lambertiana Haller, John 1964-11-27 Los Angeles Summit of ridge about 200 yards northwest of bottom Kratka Ridge Ski Tow, Angeles Crest Highway (Calif. 2), 4.1 miles west of Crystal Lake Road, San Gabriel Mountains 2057 Comment
  UC215355  Pinus monophylla I. M. Johnston 1917-8-24 1722 Los Angeles N. Fk. of Little Creek San Antonio Mountains, N. Fk. of Little Creek 1981 Comment
  UC4593  Piperia cooperi Harley P. Chandler 1897-5-11 Los Angeles Claremont Comment
  UC1797792  Piptatherum miliaceum Tim Ross and Peter Fritsch 1990-6-20 3595 Los Angeles mouth Burro Canyon (near the confluence of the e and w forks of the San Gabriel River); San Grabriel Mountains 445 Comment
  RSA0042405  Piptatherum miliaceum April Garbat 2013-1-22 09 Los Angeles West Fork (of the San Gabriel River) Scenic Bikeway in the ANF, along both sides of the road. Comment
  SD51445  Pittosporum eriocarpum Reid Moran 1942-10-25 Los Angeles Elysian Park Comment
  CATA1362  Pittosporum undulatum Mark L. Hoefs, Robert F. Thorne 1995-7-26 2475 Los Angeles Santa Catalina Island: Middle Canyon, along road, above Eagle's Nest Lodge 146 Comment
  CHSC98050  Pittosporum undulatum LeRoy Gross 2003-2-22 748 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; a short distance up mouth of Brand Canyon, south next of Brand Canyon Cemetery, north of the Debris Basin. 287 Comment
  RSA611668  Plagiobothrys acanthocarpus Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10099 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 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
  UCR146347  Plagiobothrys canescens James Henrickson 1985-3-30 19780 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  UCR261327  Plagiobothrys canescens R. G. Swinney 2010-3-13 11877 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA724742  Plagiobothrys nothofulvus K. Dobry 1991-3-15 d- 413 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SBBG63884  Plagiobothrys nothofulvus M. N. Ackley -Feb-1929 63 Los Angeles Eagle Rock 304 Comment
  POM3830  Plagiobothrys nothofulvus L. L. Gardner 1916-4-26 s.n. Los Angeles South Hills [Transverse Range] Comment
  CATA865  Plantago coronopus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1674 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  CLARK-A1528-694  Plantago erecta Fred B. Essig 1967-4-21 Los Angeles Santa Monica Mountains Comment
  POM243769  Plantago erecta F. R. Fosberg 1931-4-16 S- 4659 Los Angeles Bulrush Ridge, Santa Catalina Island. 200 Comment
  POM246417  Plantago erecta F. R. Fosberg 1931-3-27 S- 4399 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  RSA401974A  Plantago erecta Samuel R. Tyson 1943-4-2 s.n. Los Angeles San Dimas Canyon. 442 Comment
  CAS-BOT-BC93183  Platanus racemosa Peter H. Raven 1959-3-15 C 143 Los Angeles Santa Monica Mountains. Just east of Zuma Beach. 21 Comment
  POM308442  Platanus racemosa Henry J. Ramsey, Henry J. Ramsey 1937-3-27 3030 Los Angeles Little Tujunga Canyon Comment
  RSA187669  Platanus racemosa Robert F. Thorne 1966-9-15 36691 Los Angeles Santa Catalina Island, Escondido Ranch, Cottonwood Canyon, 107 Comment
  SD253523  Platanus racemosa R. G. Swinney 2011-10-27 15913 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 meters east of entrance gate to Cogswell Dam, between FSR 2N25 and the stream. 648 Comment
  CAS-BOT-BC91673  Platystemon californicus C. F. Baker 1904-5-2 4731 Los Angeles Hills near Claremont. Comment
  SBBG70067  Platystemon californicus M. N. Ackley 1926-5-6 774 Los Angeles Little Rock foothills 914 Comment
  RSA316347  Platystemon californicus Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54969 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
  RSA445687  Platystemon californicus var. californicus Bonnie C. Templeton, I. W. Clokey 1930-4-8 1015 Los Angeles San Francisquito Canyon, San Gabriel Mts. 700 Comment
  SEINET3131225  Platystigma denticulatum G. B. Grant 1009 Los Angeles Pasadena Comment
  RSA662140  Poa annua Carol Zuck 1981-2-3 6 Los Angeles 1443 A Springfield St. Upland. Comment
  SBBG56747  Poa annua M. N. Ackley -Feb-1926 7 Los Angeles Eagle Rock 182 Comment
  UCR273756  Poa bulbosa R. G. Swinney 2011-6-15 15198 B Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA187840  Poa secunda R. F. Thorne 1966-4-28 36204 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  RSA640239  Poa secunda R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41603 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  UCR126656  Poa secunda A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26113 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR143120  Poa secunda F. R. Fosberg 1931-4-8 S- 4521 Los Angeles Channel Islands, Avalon Valley, Santa Catalina Island 60 Comment
  UCSB72614  Poa secunda White, Scott; Devries, Pam 2006-5-9 Los Angeles SE Tehachapi Mtns.; Gorman area, valley & slopes along Gorman Creek, NE of 1-15 Fwy. and SW of Gorman Post Rd.; Lebec 1098 Comment
  CATA599  Poa secunda subsp. secunda Mark L. Hoefs 1991-4-7 1044 Los Angeles Santa Catalina Island: Upper Avalon Canyon, above Wrigley Memorial and Garden, near road to Divide 326 Comment
  UCD91690  Poa secunda subsp. secunda Daryl Koutnik 1978-4-14 357 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  SBBG70016  Polycarpon depressum A. J. McClatchie 1893-6-26 Los Angeles Pasadena 609 Comment
  RSA155782  Polycarpon tetraphyllum P. H. Raven 1962-5-22 17827 Los Angeles Santa Catalina Island: near mouth of Cherry Canyon 61 Comment
  UCD98417  Polycarpon tetraphyllum Daryl Koutnik 1978-4-21 408 Los Angeles Glendale at the east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  CAS-BOT-BC419777  Polygonum argyrocoleon John Thomas Howell 1948-7-2 24770 Los Angeles Palos Verdes Hills Comment
  SD39923  Polygonum argyrocoleon Edith A. Purer 1933-10-7 5598 Los Angeles Stabilized sand dunes, El Segundo Comment
  CAS-BOT-BC414001  Polygonum aviculare subsp. aviculare Peter H. Raven; Henry J. Thompson 1959-9-18 14432 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  RSA381427  Polygonum coccineum Robert F. Thorne, D. Propst 1966-1 41572 Los Angeles Santa Catalina Island, Reservoir behind dam in Middle Ranch Canyon. Comment
  LA94041  Polypodium californicum Lawrence L. Kiefer; 1966-3-12 1679 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, E-fork, ca 0.75 mi S of Calamigos. 487 Comment
  LA94042  Polypodium californicum Lawrence L. Kiefer; 1966-3-12 1674 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  SEINET218265 Image available Polypodium californicum Clara Roush 1905-2-2 Los Angeles Palmer's Canyon, no. of Claremont Comment
  UC399458  Polypodium californicum C. F. Millspaugh 1920-1-10 4565 Los Angeles Wishbone; Santa Catalina Isl. Comment
  UCSB62410  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill Comment
  POM158004  Polypodium californicum M. B. Dunkle 1928-3-31 1785 Los Angeles Campo Blanco, Santa Catalina Island. 152 Comment
  LA82502  Polypogon interruptus O. H. Kappler; 1943-5-9 407 Los Angeles 6 Comment
  RSA0091321  Polypogon monspeliensis R. G. Swinney 2011-5-26 14871 Los Angeles 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. 1061 Comment
  UCR273426  Polystichum imbricans subsp. curtum R. G. Swinney 2011-7-7 15467 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  CAS-BOT-BC102543  Populus fremontii Peter H. Raven; Henry J. Thompson 1959-10-14 14639 Los Angeles along Triunfo Creek, east end of Malibu Lake 220 Comment
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  POM219132  Potamogeton foliosus L. C. Wheeler 1932-8-28 1303 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  RSA230370  Potentilla glandulosa subsp. ewanii Robert F. Thorne, M. Z. Thorne 1969-7-10 38365 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  LA52095  Potentilla glandulosa subsp. glandulosa W. O. Griesel; 1936-4-26 sn Los Angeles 328 Comment
  RSA588142  Prunus ilicifolia subsp. ilicifolia Orlando Mistretta 1994-5-23 1231 Los Angeles San Gabriel Mountains: Little Rock Creek. DrainageE of creek and N of Forest Rd. 4N15. 1280 Comment
  RSA754138  Prunus ilicifolia subsp. ilicifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1824 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 403 Comment
  CAS-BOT-BC154565  Prunus ilicifolia subsp. lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 386 Los Angeles Vicinity of Mosquito Harbor. San Clemente Island Comment
  SBBG105389  Prunus ilicifolia subsp. lyonii R. M. Beauchamp 1976-5-22 4122 Los Angeles below Lemon Tank 313 Comment
  SBBG12786  Prunus ilicifolia subsp. lyonii E. R. Blakley 1962-10-4 5418 Los Angeles above Howland's Landing at Sullivan's Beach 6 Comment
  SD53064  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island, near mouth of Cherry canyon 60 Comment
  CAS-BOT-BC159727  Prunus occidentalis Geo. B. Grant 1901-4-1 1045 Los Angeles Santa Catalina Isl. Comment
  UCR26205  Prunus virginiana John C. Roos 1947-5-31 3659 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  POM1828  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA188496  Prunus virginiana var. demissa Robert F. Thorne, John Olmsted 1965-8-26 35420 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  CAS-BOT-BC356559  Pseudognaphalium biolettii Reid Moran 1941-2-19 595 Los Angeles Middle Ranch, San Clemente Island Comment
  RSA526527  Pseudognaphalium biolettii Steve Boyd, L. Arnseth 1990-4-7 4265 b Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SBBG32092  Pseudognaphalium biolettii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -179 Los Angeles just E of Wild Boar Gully, Salta Verde Comment
  SBBG51803  Pseudognaphalium biolettii M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SEINET4044521 Image available Pseudognaphalium biolettii D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 350 Comment
  UCR255510  Pseudognaphalium biolettii Dan S. Cooper 2014-5-23 514- 52 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Vista del Valle Rd. northeast of Mt. Hollywood 328 Comment
  POM9826  Pseudognaphalium biolettii P. A. Munz, R. D. Harwood 1920-4-14 3735 Los Angeles Santa Ana Mts 366 Comment
  CAS-BOT-BC356716  Pseudognaphalium californicum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4265 A Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  UCR261321  Pseudognaphalium californicum R. G. Swinney 2010-3-13 11883 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UC1272459  Pseudotsuga macrocarpa H. M. Hall May 1 1902-May 3 1902 3079 Los Angeles vicinity of Elizabeth Lake Antelope Valley 1219 Comment
  NY63564  Pseudotsuga macrocarpa V. Duran 1933-7-27 3537 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR155349  Psilocarphus brevissimus A. C. Sanders 2005-5-11 30134 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  SBBG31119  Pteridium aquilinum var. pubescens R. F. Thorne with M. Z. Thorne 1966-5-31 36429 Los Angeles Fern Cyn 228 Comment
  UCR209919  Pterospora andromedea R. G. Swinney 2008-7-16 9268 Los Angeles San Gabriel Mtns., Burkhart Trail on south side of Cooper Creek Canyon, 1.4 mi. NE of Burkhart Trailhead parking lot, west of Buckhorn Canyon 1756 Comment
  UCR270859  Pterospora andromedea R. G. Swinney 2011-8-17 15656 Los Angeles San Gabriel Mountains, Ridge to the imm. west of Lily Spring, c. 100 meters s. of SR 2 (Angeles Crest Hwy.), n. slope of Mt. Hawkins 2329 Comment
  UCR259573  Pterostegia drymarioides R. G. Swinney 2010-4-1 12141 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR205701  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36839 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  RSA0080563  Pyrola dentata Jane Tirrell 2012-8-3 LS 0148 Los Angeles South side California State Route 2, in cluvert at mile marker 66.43. 2233 Comment
  RSA69308  Pyrola picta F. W. Peirson 1921-7-17 2512 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  UCSB51536  Pyrrocoma racemosa var. sessiliflora Hodgson, John 1928-10-9 Los Angeles Peace Valley Meadow; Santa Barbara Forest 1066 Comment
Read comments
Apr 1 2015
  UC848120  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles Laurel St., South Pasadnea South Pasadena Comment
  NY248648  Quercus X grandidentata J. A. 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. 228.6 Comment
  RSA0029479  Quercus X macdonaldii Benjamin E. Carter, John R. Clark 2012-8-9 6963 Los Angeles Santa Catalina Island. Bulrush Canyon, below Salta Verde turnoff. 255 Comment
  CAS-BOT-BC45675  Quercus agrifolia LeRoy Abrams 1901-4-4 1334 Los Angeles Chatsworth Park Comment
  RSA0014961  Quercus agrifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11691 -A Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA655362  Quercus berberidifolia LeRoy Gross 2000-11-4 317 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 366 Comment
  UCD170062  Quercus berberidifolia Fay A. MacFadden 1931-7-8 3078 Los Angeles Verdugo Hills, La Tuna Canyon. 404 Comment
  UCR178222  Quercus berberidifolia LeRoy Gross 2000-11-12 331 Los Angeles Verdugo Mountains, Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 412 Comment
  CAS-BOT-BC62532  Quercus chrysolepis John Thomas Howell 1927-10-16 3144 Los Angeles Sturtevant Falls, Santa Anita Canon, San Gabriel Mts. Comment
  UCD45457  Quercus chrysolepis R. L. Armacost 1962-10-6 1510 Los Angeles Canyon Oak. Upper San Antonio Canyon near Claremont. Comment
  UCSB27897  Quercus douglasii R. Gill 1959-3-24 55 Los Angeles RIDGE ROUTE OAK FLAT GUARD STATION 822 Comment
  UCSB34832  Quercus douglasii Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  CAS-BOT-BC86366  Quercus dumosa June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Summit Comment
  SJSU632  Quercus dumosa J. A. Ewan 1932-10-22 10807 Los Angeles above Avalon, Santa Catalina Island Comment
  UCD45859  Quercus dumosa F. R. Fosberg 1931-7-16 S 5435 Los Angeles Location: Gallaghers Canyon, Santa Catalina Islands, Los Angeles Co. 100 Comment
  RSA0091710  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA29652  Quercus durata var. gabrielensis Joseph A. Ewan 1933-06 10800 Los Angeles Occasional along Adenostoma chaparral, slopes above Verdugo Canyon Comment
  RSA87162  Quercus durata var. gabrielensis F. W. Peirson 1919-5-14 376 Los Angeles East trail to Mt. Lowe 640 Comment
  SFV20892  Quercus durata var. gabrielensis L. Gross 2000-10-28 311 Los Angeles Verdugo Mountains Beaudry fire road northwest of Radio Towers, on ridgetop above Engleheard Canyon, pass [past?] saddle with antennas on northeast-facing slope. 793 Comment
  CAS-BOT-BC94176  Quercus engelmannii Geo. B. Grant 1902-6-1 1086 Los Angeles Pasadena Comment
  RSA610962  Quercus engelmannii Louis C. Wheeler 1936-1-19 4074 Los Angeles Monrovia: Edge of San Gabriel Mountains, just above Pottinger Sanitarium. 290 Comment
  UCR143539  Quercus garryana var. breweri Ward B. Holt 1941-10-19 5 -1941 Los Angeles Transverse Range, Not far from Artesian Spring Camp, road east of reservoir, Bouquet Canyon to Loma Pelona Lookout 1280 Comment
  CAS-BOT-BC94752  Quercus john-tuckeri Timothy S. Ross; Steve Boyd 1994-9-20 8218 Los Angeles Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road 740 Comment
  RSA250591  Quercus john-tuckeri Robert F. Thorne 1967-3-23 41580 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1372 Comment
  CAS-BOT-BC105257  Quercus kelloggii Le Roy Abrams; E. A. McGregor 1908-6-19 480 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA0073277  Quercus kelloggii Bonnie C. Templeton 1932-5-31 4843 Los Angeles Between Big Pines Camp and Jackson Lake, Angeles Natl. Forest. Comment
  IRVC28737  Quercus lobata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  OBI36780  Quercus wislizeni David J. Keil 1980-3-27 13734 Los Angeles 1 mi E of Ridge rte on Pine Canyon rd (L.A. county rd N-2) 1189 Comment
  UCR223649  Quercus wislizeni R. G. Swinney 2009-6-24 11265 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR263052  Quercus wislizeni Mitch Provance 2008-4-14 408- 02 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  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
  SBBG11607  Rafinesquia californica P. H. Raven 1962-5-8 17608 Los Angeles second cyn S of Seal Cove 30 Comment
  UC829463  Rafinesquia californica E. Hall Los Angeles Athens Comment
  RSA95056  Rafinesquia californica F. W. Peirson 1921-7-16 251 Los Angeles San Gabriel River 1372 Comment
  RSA399365  Ranunculus aquatilis var. capillaceus Anstruther Davidson 1892-05 s.n. Los Angeles Zanja, Los Angeles. Comment
  POM23015  Ranunculus californicus I. W. Clokey, E. N. Anderson 1935-5-9 6947 Los Angeles Pomona Hills. Comment
  UC519997  Raphanus sativus Louis C. Wheeler 1932-1-8 433 Los Angeles 2 mi sw of Glendora 198 Comment
  RSA779989  Rhamnus californica R. G. Swinney 2009-6-24 11232 Los Angeles summit of Granite Mountain 1988 Comment
  UCR180041  Rhamnus californica R. G. Swinney, Dave Larson 1996-8-7 5232 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  RSA0098830  Rhamnus californica subsp. californica R. G. Swinney 2011-7-8 15517 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1171 Comment
  RSA171008  Rhamnus californica subsp. californica Robert F. Thorne 1963-7-11 32783 Los Angeles Foothill Woodland-Mixed Evergreen Forest near entrance to Upper Shake Campground, ca 3 miles W of Lake Hughes, Angeles National Forest. Comment
  UC1595460  Rhamnus crocea Tim Ross 1992-4-27 6251 Los Angeles s side Indian Hill Mesa (sw of RSA grounds); Claremont, Ontario U.S.G.S. 7.5' Quad. 393 Comment
  UCD111908  Rhamnus crocea Ellen Mackey; Bart O'Brien and Blake Whittiington 2006-11-14 NFWF 1853 Los Angeles Webb Canyon Road. 434 Comment
  POM2834  Rhamnus ilicifolia L. R. Abrams 1901-4-3 1283 Los Angeles Santa Monica Mountains. Comment
  RSA199020  Rhamnus ilicifolia W. M. Gauntt 1966-4-16 153 Los Angeles Junction of Glendora Mt. Road and San Gabriel Canyon Road. 915 Comment
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Jun 16 2014
  RSA304928  Rhamnus ilicifolia James R. Shevock 1971-3-13 662 Los Angeles Santa Monica Mountains. 915 Comment
  RSA635046  Rhamnus ilicifolia Valerie L. Soza, Kent Hughes 1999-6-17 557 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  UCR271557  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  POM2829  Rhamnus pirifolia S. B. Parish s.n. Los Angeles Santa Catalina Island Comment
  SBBG41344  Rhamnus pirifolia M. R. Benedict 1970-6-29 Los Angeles coast rd W of Parson Landing Comment
  UCR49783  Rhaphiolepis indica G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CAS-BOT-BC170464  Rhus integrifolia H. E. McMinn 1924-7-25 1311 Los Angeles Catalina Island Comment
  RSA167661  Rhus integrifolia R. F. Thorne, P. Everett 1964-2-6 33286 Los Angeles Santa Catalina Island. W of Catalina Harbor at Isthmus. 5 Comment
  SD112043  Rhus integrifolia Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island: Mid-Avalon Canyon, Hour Trail Comment
  RSA624002  Rhus ovata Jack Hudson 1950-03 s.n. Los Angeles San Rafael Hills-between Glenoaks and Hill Dr. Comment
  RSA670407  Rhus trilobata B. C. Templeton, H. J. Andrews 1938-6-22 1691 Los Angeles Mint Canyon Comment
  RSA774271  Rhus trilobata R. G. Swinney 2009-6-8 11094 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA403714  Rhus trilobata var. pilosissima Fay A. MacFadden 1931-3-20 s.n. Los Angeles La Tuna Canyon. Comment
  RSA0025045  Ribes Tom Burch 1940-3-15 s.n. Los Angeles Santa Susana Pass. 610 Comment
  CAS-BOT-BC92292  Ribes amarum Timothy S. Ross 1992-4-21 6234 Los Angeles San Gabriel Mountains. Fallen Leaf Spring. Draining northward to Cow Canyon. 1341 Comment
  SFV15489  Ribes aureum E. J. Spencer 1992-2-19 3 Los Angeles Bear Canyon, east of Sand Canyon Road at milepost 7.64. 732 Comment
  RSA509585  Ribes aureum var. gracillimum Louis C. Wheeler 1967-7-23 10146 Los Angeles Sand Canyon at Iron Canyon. 526 Comment
  UCR205541  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36899 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UCR11994  Ribes californicum var. hesperium Harlan Lewis, Carl Epling 1941-1-28 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Dr., 2 mi west of Sepulveda Canyon 549 Comment
  UCR276729  Ribes cereum R. G. Swinney 2010-9-21 13853 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA0021481  Ribes cereum var. cereum Duncan S. Bell, Caitlin Elam 2013-7-11 5353 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  UCR272863  Ribes cereum var. cereum R. G. Swinney 2011-7-29 15568 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA48026  Ribes indecorum C. F. Baker 1904-1-1 3983 Los Angeles hills near Claremont Comment
  UCR70866  Ribes indecorum L. C. Wheeler 1932-2-10 443 Los Angeles San Gabriel Mtns. Foothills, Thompson Creek Dam near Claremont 503 Comment
  RSA747230  Ribes malvaceum R. G. Swinney 2008-4-7 8615 Los Angeles San Gabriel Mtns. Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  SFV1633  Ribes malvaceum P. G. Kilburn 1958-2-15 605 Los Angeles Santa Monica Mountains Sepulveda Canyon, Mission Fire Road. Ravine going south about 200 yards west of Sepulveda Blvd. 366 Comment
  POM6716  Ribes malvaceum var. viridifolium P. A. Munz, L. T. Street, Williams 1919-3-15 2397 Los Angeles South Hills, Pomona. Comment
  RSA441456  Ribes malvaceum var. viridifolium H. L. Bauer 1932-1-1 15372 Los Angeles Santa Monica Mts Comment
  RSA0112763  Ribes nevadense R. G. Swinney 2010-9-30 13903 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
  RSA702309  Ribes nevadense Steve Boyd, Amber Maurice 2004-5-18 11306 Los Angeles Atmore Meadows area. Comment
  UC70551  Ribes roezlii J. Burtt Davy May 9 1896-May 24 1896 2526 Los Angeles Manzana Antelope Valley Comment
  UCR272846  Ribes roezlii R. G. Swinney 2011-8-5 15611 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
  CAS-BOT-BC144441  Ribes speciosum LeRoy Abrams 1902-3-11 3118 Los Angeles Sepulveda canyon, Santa Monica mts. Comment
  POM293051  Ricinus communis Lyman Benson 1945-10-22 11902 Los Angeles Claremont; Drainage area: Pacific Slope. 335 Comment
  UCR216373  Rorippa Dan S. Cooper 2010-4-23 410- 38 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA579346  Rosa californica Tim S. Ross, Steve D. Boyd 1994-9-20 8272 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. 934 Comment
  RSA0062837  Rosmarinus officinalis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6760 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR138540  Rubus leucodermis L. C. Wheeler 1966-8-21 8843 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  RSA240667  Rubus ursinus Donald R. Bissing 1973-5-18 96 Los Angeles Evey Canyon, in NE side of canyon, 0.3 mile from mouth of canyon near stream. 720 Comment
  UC12998  Rubus ursinus J. H. Barber 1897-3-16 66 Los Angeles Santa Monica Exp't Station Comment
  UCR274127  Rumex conglomeratus Steven A. Junak 1999-5-6 SCa- 884 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing, at west end of beach, mouth of canyon creek 3 Comment
  RSA710510  Rumex crispus Valerie L. Soza, LeRoy Gross 2001-5-9 1189 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Sleepy Hollow Dr to Valle Vista fire road. 274 Comment
  CATA1177  Rumex salicifolius Mark L. Hoefs 1995-5-30 2173 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  UCR185572  Rumex salicifolius A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33521 Los Angeles Western End of Antelope Valley and Mojave Desert, hills south of Hwy 138 at 290th St. West, SW of VABM Zana 915 Comment
  RSA466272A  Rumex salicifolius var. salicifolius Joseph A. Ewan 1931-7-4 4727 Los Angeles Pacoima Canyon, 1/2 mile below dam Comment
  RSA547803  Rumex salicifolius var. salicifolius Tim S. Ross, Peter Fritsch 1990-6-20 3599 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA131237  Rupertia physodes Percy C. Everett, E. K. Balls 1959-6-2 23823 Los Angeles 0.6 mile NE of entrance to Stokes Canyon, Santa Monica Mts 152 Comment
  LA33962  Ruppia cirrhosa Peter H. Raven; Henry J. Thompson 1959-9-6 14360 Los Angeles Santa Monica Mountains, Malibu Lagoon, mouth of Malibu Creek 1 Comment
  SJSU7258  Russelia equisetiformis C. W. Sharsmith 1945-9-9 5473 B Los Angeles Monrovia Comment
  RSA0062518  Sairocarpus coulterianus R. G. Swinney 2010-4-20 12318 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  UC54964  Salicornia virginica H. P. Chandler 1902-9-9 2050 Los Angeles Ballona Marshes Comment
  RSA0016798  Salix babylonica George B. Grant 1901-5-6 s.n. Los Angeles Pasadena; O[ak] Knoll; Lake Am [label is cut off] Comment
  RSA570021  Salix exigua Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4945 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA640289  Salix exigua Louis C. Wheeler 1973-2-3 s.n. Los Angeles Venice: Between 2618 and 2700 Pacific Ave. Comment
  RSA336396  Salix gooddingii Robert F. Thorne, Dick Tilforth 1978-6-21 52335 Los Angeles San Gabriel Mountains: Reservoir behing Little Rock Dam. Comment
  UCR271551  Salix gooddingii R. G. Swinney 2011-3-18 14166 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  LA208752  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-25 7655 Los Angeles Verdugo Canyon, Fernbrook Pl, (Area 3) Comment
  UCR124587  Salix laevigata B. C. Templeton, I. W. Clokey 1930-4-8 1043 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  UCR222997  Salix laevigata R. G. Swinney 2009-5-6 10657 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UC447155  Salix lasiandra subsp. lasiandra J. Ewan 1931-2-2 4017 Los Angeles Rio Hondo R. near Downey; Rio Hondo R. Comment
  CHSC99234  Salix lasiolepis John Dittes; Eva M. Dittes, Rudolph A. Dittes, Rosano Arviso 2007-2-16 1442 Los Angeles Western Transverse Ranges; San Gabriel Mountains; Big Tujunga Canyon, ca. 2.7 air miles SW of Mt. McKinley, ca. 3.8 air miles W of Big Tujunga Reservoir, ca. 3.6 mir miles NE of Mt. Gleason Jr. High School; moist sand at edge of Big Tujunga Creek near Delta Flat Picnic area. 512 Comment
  RSA127458  Salix lasiolepis Peter H. Raven, Henry J. Thompson 1958-10-11 13749 Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 427 Comment
  RSA550405  Salix lasiolepis Tim S. Ross, Peter Fritsch 1990-6-20 s.n. Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA646133  Salix lasiolepis Orlando Mistretta 1992-7-14 s.n. Los Angeles San Gabriel Mountians: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA656132  Salix lasiolepis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 670 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  RSA787096  Salix lasiolepis Doris Bowers 1957-2-16 696 A Los Angeles Dalton Canyon 610 Comment
  CAS-BOT-BC128515  Salix lasiolepis var. lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  RSA670161  Salix lucida subsp. lasiandra Joseph M. Keefe 2000-12-12 30877 Los Angeles North side of wet ravine, west side of bridge, Fire Road east of Aviation Buildings, Glendale College, 1500 North Verdugo Road, Glendale, CA 91208. 250 Comment
  CDA43376  Salsola australis Michael O Brien 2014-11-1 s.n. Los Angeles El Matador State Beach, Malibu. 0 Comment
  RSA722099  Salsola tragus R. E. Riefner 2007-5-12 7 -197 Los Angeles City of Santa Clarita, near Lyons Ave. and Ave. Dorena. 414 Comment
  JEPS46489  Salvia Eva M. Wilson 1962-7-3 Los Angeles Alpine Comment
  RSA0100132  Salvia apiana R. G. Swinney 2011-5-31 14894 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA411302  Salvia apiana L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  RSA754238  Salvia apiana Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1761 Los Angeles Turnbull Canyon, Turnbull Canyon Road 312 Comment
  OBI69292  Salvia apiana John Knap, Denise Knapp 2003-5-11 43 Los Angeles Catalina Island, 371749.51N x 3692478.97 366 Comment
  UC220931  Salvia carduacea A. D. E. Elmer Jun 1902 3594 Los Angeles Acton Comment
  RSA0051564  Salvia columbariae Geo. R. Julian 1962-4-20 s.n. Los Angeles 10 miles east of Pearblossom. Comment
  SEINET13947351 Image available Salvia columbariae Martha P. Creighton 1952-1 286 Los Angeles Llano; 3300 ft alt. 1006 Comment
  UCR277112  Salvia dorrii R. G. Swinney 2011-4-19 14409 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
  SEINET192417  Salvia dorrii var. pilosa L. R. Abrams 1941-4-24 13952 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138. Comment
  CAS-BOT-BC233698  Salvia leucophylla Moxley; Grinnell 1916-6-5 489 Los Angeles Devil's Canyon, Santa Susanna Mts. Comment
  OBI13543  Salvia leucophylla Louis C. Wheeler 1932-5-17 715 Los Angeles Garapito crk, Santa Monica mts 305 Comment
  RSA82437  Salvia leucophylla F. W. Peirson 1919-5-11 412 Los Angeles Mint Canyon road near the bridge over the Santa Clara River, northwest of San Gabriel Mts. 427 Comment
  UCR154615  Salvia leucophylla A. C. Sanders, T. B. Salvato 2005-4-26 29759 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
  RSA434122  Salvia mellifera T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA656182  Salvia mellifera Joseph M. Keefe 1978-5-23 23218 Los Angeles Verdugo Mountains: Near path, 30 meters east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale College, Glendale, San Rafael Mountains. 265 Comment
  UC1922480  Salvia mellifera Valerie Soza, Miriam Sidibeh 2003-3-26 1618 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
  UCD125590  Salvia mellifera P. B. Kennedy 1928-3-1 s.n. Los Angeles canyon above golf-links, Avalon, Santa Catalina. Comment
  UCR255785  Salvia mellifera R. G. Swinney 2010-4-20 12304 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCLA70091  Salvia spathacea M. and C. Epling May 1925 Los Angeles Mint Canyon Comment
  RSA477572  Sambucus mexicana Howard Mullins 1931-3-11 s.n. Los Angeles Oakwilde. Comment
  RSA544556  Sambucus mexicana T. S. Ross, Elizabeth Kellogg 1992-4-11 6109 Los Angeles San Clemente Island: West fork of China Canyon. E or NE-facing base of canyon wall. 305 Comment
  RSA755862  Sambucus mexicana R. G. Swinney 2009-1-19 9994 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR48868  Sambucus mexicana Steve Morgan 1974-4-25 67 Los Angeles Western Transverse Range; Santa Monica Mtns., 1/4 mi east of Mulholland Hwy on Stunt Rd. 366 Comment
  CAS-BOT-BC238740  Sambucus nigra subsp. caerulea Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2977 Los Angeles The San Gabriel Mountains. Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air-miles ENE of Barley Flats) 1231 Comment
  RSA0057915  Sambucus nigra subsp. caerulea Richard G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR220950  Sanicula arguta Dan S. Cooper 2010-4-9 20100409- 30 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  PASA1822  Sanicula bipinnata Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SBBG116987  Sanicula crassicaulis S. A. Junak 2001-5-3 SCa 1473 Los Angeles just N of Airport Rd, in extreme upper portion of Swain (Toyon) Cyn 374 Comment
  RSA590481  Sanicula crassicaulis T. S. Ross, Walter Appleby 1993-5-20 7199 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA733037  Sarcodes sanguinea R. G. Swinney 1998-7-8 6331 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA733087  Sarcodes sanguinea R. G. Swinney 2001-6-20 7991 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  RSA445300  Satureja mimuloides Geo. L. Moxley 1914-9-7 280 Los Angeles Arroyo Seco Canyon. Comment
  RSA584127  Schedonorus arundinaceus Timothy S. Ross, Steve Boyd, Fritsch 1990-6-8 1968 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  RSA669285  Schedonorus arundinaceus LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 554 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  RSA598210  Schinus molle Sara L. Crockett, Mark Hoefs, Steven A. Junak, Gery Allan 1996-10-31 548 Los Angeles Santa Catalina Island. Mt. Black Jack Campgrounds. 451 Comment
  CATA1735  Schismus arabicus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3118 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  RSA177765  Schismus arabicus R. F. Thorne, P. Everett 1965-5-10 34455 Los Angeles Near Echo Lake, Santa Catalina Island 412 Comment
  UCR270000  Schismus arabicus R. G. Swinney 2010-5-19 12787 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
  CDA31247  Schismus barbatus M. O'Brien 2010-5-16 s.n. Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  RSA0047910  Schismus barbatus R. G. Swinney 2010-5-12 12750 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA670959  Schismus barbatus Joseph M. Keefe 2001-3-19 31177 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of end of road, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208., 34 deg 09' 42.2'' N, 118 deg 11' 42.5'' W 470 Comment
  UCD93261  Schismus barbatus Daryl Koutnik; Vickie Dawes 1978-4-20 387 Los Angeles North Hollywood at the intersection of Laurel Canyon Blvd. and Stagg Street. 243 Comment
  UCR95584  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1946-8-28 6271 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  UC306144  Scirpus californicus G. B. Grant 1904-7-14 6334 Los Angeles Los Angeles , Eastlake Reservoir (Eastlake Reservoir) Comment
  POM180180  Scirpus microcarpus Joseph A. Ewan 1931-10-29 5278 Los Angeles 0.5 mile below Seminole Hot Springs, Santa Monica Mountains. Comment
  POM4463  Scrophularia californica D. L. Crawford, Otis Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mts, Topanga Canyon Comment
  LA51846  Scrophularia californica subsp. californica W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CAS-BOT-BC238493  Scrophularia villosa Reid Moran 1941-2-27 645 Los Angeles Johnson Valley, Catalina Island Comment
  SBBG31455  Scrophularia villosa R. F. Thorne 1966-4-5 35797 Los Angeles SW of and near Empire Landing 152 Comment
  RSA230224  Scutellaria siphocampyloides Robert F. Thorne 1969-7-2 38260 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA580096B  Scutellaria siphocampyloides Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8143 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  RSA11010  Scutellaria tuberosa Carl B. Wolf 1928-4-1 1618 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  CAS-BOT-BC59067  Sedum spathulifolium Joseph Andorfer Ewan 1930-12-10 s.n. Los Angeles Fern Canyon, below browns Flats, San Dimas drainage. San Cabriel Mts. 1158 Comment
  UC1929360  Sedum spathulifolium Mark Elvin, Anne Marie Ruff 1996-8-1 301 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 3.9 mi from gate. Cliff on roadcut. Steep 90 degree crumbly sandstone. Comment
  RSA640139  Selaginella asprella Louis Cutter Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side Little Rock Creek at Cooper Canyon; Burkhart Trail. 1738 Comment
  IRVC28572  Selaginella bigelovii A. C. Sanders, Mark Elvin 2002-6-18 25134 Los Angeles Newhall Ranch, "Sawtooth Ridge" area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 NE end of Santa Susana Mtns. 366 Comment
  CAS-BOT-BC62034  Selaginella bigelovii Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon (near Mourovia) Comment
  RSA683768  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  CAS-BOT-BC363457  Senecio californicus John Thomas Howell 1928-3-20 3470 Los Angeles On hills east of Vermont Canon [Canyon], Griffith Park Comment
  CDA8625  Senecio flaccidus var. douglasii A. Overturf 1989-12-28 s.n. Los Angeles Summit area of Mt. WIlson. Comment
  JEPS19501  Senecio flaccidus var. douglasii Peter H. Raven 1957-11-30 11408 Los Angeles 4.0 mi e Topanga Canyon (along Mulholland Drive); Santa Monica Mountains Comment
  RSA381396  Senecio flaccidus var. douglasii R. F. Thorne, M. Z. Thorne 1966-11-1 41376 Los Angeles San Antonio Canyon, near Mt. Baldy Village Comment
  RSA746847  Senecio flaccidus var. douglasii Orlando Mistretta 1992-5-21 s.n. Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UCD135488  Senecio flaccidus var. douglasii M. Vincent 1962-10-4 302 Los Angeles near bridge at intersection of Valyermo Road and Pallett Creek Road. Comment
  UCR210411  Senecio flaccidus var. douglasii R. G. Swinney 2008-12-6 9976 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  CAS-BOT-BC341201  Senecio lyonii Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  SBBG52618  Senecio lyonii F. R. Fosberg 1931-3-27 4416 Los Angeles Pebbly Beach Rd 15 Comment
  SDSU498  Senecio lyonii D. F. Howe 1968-2-24 4489 Los Angeles South of Fourth of July Cove, Santa Catalina Island. Comment
  UCR271723  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 Cyn. 524 Comment
  UCR217340  Sesuvium verrucosum David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, north of the spillway and 0.25 mi. south of Rosamond Dry Lake bed 713 Comment
  SEINET3155151  Sesuvium verrucosum G. B. Grant 1904-6-5 1198 -6112 Los Angeles at Ballona Salt Marsh Comment
  CAS-BOT-BC243624  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles Between Claremont and Pomona 365 Comment
  POM294592  Setaria viridis Lyman Benson 1955-1-22 15405 Los Angeles Sumner Hall, Pomona College. 366 Comment
  RSA0034970  Setaria viridis S. Karlin 1966-04 s.n. Los Angeles Woodland Hills Comment
  RSA598292  Sherardia arvensis Louis C. Wheeler 1947-5-11 6483 Los Angeles Arcadia. Rancho Santa Anita. Baldwin Estate, near coach house. Comment
  SBBG71476  Sidalcea sparsifolia R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake to Antelope Valley Comment
  CAS-BOT-BC434377  Sidotheca trilobata Noel H. Holmgren; James L. Reveal 1966-5-29 2610 Los Angeles San Gabriel Mountains, ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit. 1767 Comment
  CAS-BOT-BC384475  Silene antirrhina Alice Eastwood 1906-5-27 1 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UCD98543  Silene antirrhina A. C. Sanders; Helen Kennedy 2005-4-13 29420 Los Angeles Western San Gabriel/Liebre Mountains; Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  CAS-BOT-BC387007  Silene gallica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4436 Los Angeles Los Angeles; Racho Santa Ana Botanic Garden; San Clemente Island Comment
  RSA655782  Silene gallica LeRoy Gross 2001-2-17 338 Los Angeles Verdugo Mountains, north side: East of Hostetter Mountainway, follow dirt road that splits east of Hostetter parallel with 210 freeway., This road dips down into a canyon then climbs back up and around the first ridge east facing slope. 549 Comment
  UC66725  Silene gallica N. K. Berg 1904-3-29 Los Angeles Boyle Height Comment
  CAS-BOT-BC389110  Silene laciniata subsp. californica Norman L. Norris 1930-5-25 19 Los Angeles Sequoia National Forest. Val Verde 1005 Comment
  RSA439082  Silene noctiflora Anstruther Davidson 1920-1 3336 Los Angeles Alvarodo St. Comment
  CAS-BOT-BC74961  Sinapis arvensis Louis C. Wheeler 1933-6-26 1885 Los Angeles San Bernardino Avenue at San Antonio Avenue. Pomona. 259 Comment
  RSA587382  Sisymbrium altissimum Orlando Mistretta 1992-5-8 284 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  RSA725211  Sisymbrium altissimum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -32 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
  UCR205206  Sisymbrium altissimum R. G. Swinney 2006-6-18 8544 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  RSA724769  Sisymbrium irio K. Dobry 1992-4-14 d- 365 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  UCD115601  Sisymbrium irio Kenneth A. Wilson 1961-2-21 871 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA755965  Sisymbrium orientale Orlando Mistretta, Christine Mistretta 2008-4-4 2314 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  RSA305708  Sisyrinchium bellum Mark Hoefs, Doug Propst 1973-5-4 262 Los Angeles Santa Catalina Island: above and east of camp at Emerald Cove 30 Comment
  UCR138528  Sisyrinchium bellum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., east side of Little Tujunga Canyon 549 Comment
  UCR213234  Sisyrinchium bellum Dan S. Cooper 2010-3-23 20100323- 05 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, south end of Cedar Grove 271 Comment
  RSA0028811  Sisyrinchium bellum N. C. Cooper 1945-5-1 2234 Los Angeles Tapia Park region 762 Comment
  SBBG98450  Solanum americanum T. Ross 1991-5-22 5472 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 85 Comment
  UCR116943  Solanum americanum A. C. Sanders, D. Malueg 2001-5-17 24324 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
  RSA783658  Solanum nigrum J. D. Olmsted 1958-3-11 48 Los Angeles Pomona College campus, [city of] Claremont, near eastern boundary of Los Angeles County. Gradual southward drainage along San Antonio Creek in Blanchard Park. 366 Comment
  RSA79502B  Solanum rostratum F. W. Peirson 1906-7-19 1081 Los Angeles Sink near Inglewood. Comment
  RSA427416  Solanum umbelliferum Gale Sphon 1959-5-9 332 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  UC457237  Solanum umbelliferum Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles San Gabriel Mountains, Big Pines Camp Big Pines Camp; San Gabriel Mountains, Big Pines Camp Comment
  RSA584852  Solanum umbelliferum Tim S. Ross 1993-6-1 7352 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 780 Comment
  NY820708  Solanum wallacei C. B. Wolf 1941-6-25 10891 Los Angeles Santa Catalina Island. About 1 mi. NE. of the Wrigley Mausoleum at head of Avalon Valley 122 Comment
  UC1871271  Solanum xanti T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3985 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  RSA473606  Solidago californica Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. Comment
  OBI7277  Solidago confinis P. A. Holden 1968-9-15 556 Los Angeles Agua Dulce Rd near Acton 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
  RSA657026  Sonchus oleraceus Joseph M. Keefe 2001-1-19 30903 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 262 Comment
  UCR92320  Sonchus oleraceus Scott D. White 1995-2-7 2535 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
  UCSB33237  Sonchus oleraceus Partsch, M. 1977-5-14 Los Angeles Along Boquet Canyon Road 14 mi. south of its junction with Elizabeth Lake Road 762 Comment
  RSA660895  Spartium junceum Ann Williams 1992-5-14 4 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UC1870177  Spartium junceum LeRoy Gross 2004-3-19 1209 Los Angeles Transverse Ranges; Verdugo Mountains region: San Rafael Hills: North section of hills; Gate #4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. 502 Comment
  UCR172780  Spartium junceum Wayne Law, Jun Hu 2000-4-30 01 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  CATA916  Spergularia bocconi Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1764 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  CAS-BOT-BC390801  Spergularia marina Le Roy Abrams 1901-4-10 1458 Los Angeles Hyde Park (near) Comment
  RSA0098140  Spergularia rubra L. C. Wheeler 1931-4-13 s.n. Los Angeles 3rd & F St. La Verne. 305 Comment
  CATA2910  Sphaeropteris cooperi Sara L. Crockett 1997-3-7 88 Los Angeles Santa Catalina Island: Across from 337A Clemente Street 24 Comment
  CAS-BOT-BC235434  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  LA52396  Stachys albens W. O. Griesel; 1936-6-16 sn Los Angeles Santa Monica Mountains, Triunfo Canyon Comment
  RSA82554  Stachys albens F. W. Peirson 1927-8-14 7840 Los Angeles Arroyo Seco south base of San Gabriel Mts. 549 Comment
  UC1124948  Stachys albens Jerome S. Horton 1935-7-18 214 Los Angeles Dalton Canyon below Dam Pomona Quadrangle Comment
  UCR142080  Stachys albens A. C. Sanders, Mark A. Elvin 2002-8-26 25587 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, 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 305 Comment