Search Results — 2000 specimen records retrieved (1566 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
  RSA384193  Abies concolor Ora M. Clark 1928-12-8 1367 Los Angeles San Gabriel Mountains; high mountains Comment
  SFV16046  Abronia umbellata A. M. Orcino, A. Sutton 1994-4-22 3 Los Angeles Los Angeles Basin Playa del Rey Beach at corner of Pacific Avenue and Convoy Street, 0.1 miles north of Culver Blvd. 1 Comment
  HSC16145  Abronia villosa C. S. Apperson 1966-4-24 Los Angeles Junction of Palmdale Blvd. and 90th St. Comment
  CATA3274  Acacia melanoxylon Ben Dion, Julia Parish 2017-1-30 006 Los Angeles Santa Catalina Island: Interior; Black Jack Campground: south of restrooms and lockers 461 Comment
  CSUSB1300  Acacia melanoxylon Rand Ch. Isbell 1970-5-10 12 A Los Angeles Palos Verdes Peninsula in a barley field at the intersection of Palos Verdes Drive and Hawthorne Blvd. 60 Comment
  RSA597234  Acacia saligna Scott D. White 1995-3-15 2570 Los Angeles Malibu. Upslope from Winter Canyon, near Pepperdine Univ., N of Pacific coast Hwy., E of Malibu cyn. rd., SW of Malibu Civic Center Way 91 Comment
  UCR49366  Acacia saligna A. C. Sanders 1987-9-18 7381 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  RSA221580  Acer macrophyllum Arthur C. Gibson, Linda Gibson 1971-3-27 1746 Los Angeles Evey Canyon, Angeles National Forest, NE of Claremont. Comment
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Mar 31 2014
  CHSC98595  Acer negundo var. californicum LeRoy Gross; Andrea E. Gutman, Sarah Gutman 2000-9-8 267 Los Angeles Big Tujunga Wash/Verdugo Mountains: Tujunga Ponds. 335 Comment
  CAS-BOT-BC21679  Achillea millefolium M. B. Dunkle 1939-4-6 7292 Los Angeles Mosquito Harbor, San Clemente Island Comment
  UCR129417  Achillea millefolium A. C. Sanders, Mark Elvin 2002-6-20 25230 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR223129  Achillea millefolium R. G. Swinney 2009-7-22 11345 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  POM353048  Achnatherum coronatum L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA714792  Achnatherum coronatum A. C. Sanders 2003-5-26 25863 Los Angeles San Gabriel Valley: long abandoned gravel pit on the boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 Fwy east of the San Gabriel River Channel. 159 Comment
  POM19201  Achnatherum hymenoides P. A. Munz 1923-5-27 6906 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  SEINET13203272 Image available Achnatherum occidentale R. G. Swinney 2011-1 15488 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  RSA585434  Achnatherum speciosum Timothy S. Ross, Steve Boyd 1990-5-31 2728 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA595458  Achnatherum speciosum Timothy S. Ross, Victor W. Steinmann 1995-5-8 8569 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA776787  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2010-5-26 5195 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  UCSB15673  Achnatherum speciosum 1962-5-12 Los Angeles E edge of Gorman 1219 Comment
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Apr 14 2010
  UCSB16914  Achnatherum speciosum 1962-5-12 Los Angeles E edge of Gorman 1219 Comment
  LA48000  Acmispon dendroideus var. dendroideus Harlan Lewis; 1937-3-24 sn Los Angeles Santa Catalina Island 91 Comment
  UCR65561  Acmispon dendroideus var. traskiae Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-30 805- 05 Los Angeles Channel Islands, San Clemente Island: Waynuk Canyon, W slope of the island 247 Comment
  SDSU4347  Acmispon glaber H. Wedberg 1966-4-3 1204 Los Angeles Above Hill Dr., x Neal, in Eagle Rock. 457 Comment
  SD45470  Acmispon maritimus Robert L. Dressler 1949-4-23 695 Los Angeles Southern slope of eastern Santa Monica Mountains 213 Comment
  SD215524  Acmispon maritimus var. maritimus Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9452 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 Comment
  SBBG127509  Acmispon micranthus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2834 Los Angeles hillside above New York Harbor 79 Comment
  CATA1868  Acmispon strigosus Denise Kraus 2000-6-13 48 Los Angeles Santa Catalina Island: Goat Harbor burn area, at large conspicuous rock outcrop at end of western fuel break ridge/road 381 Comment
  SBBG68092  Acmispon strigosus R. Hoffmann 1925-4-19 Los Angeles E side of Bouquet Cyn Comment
  UCR256568  Acmispon strigosus Anuja Parikh, Nathan Gale 2011-6-27 3508 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, just east of Shortcut Station, 0.6 km north of State Hwy 2, Angeles Crest Hwy 1283 Comment
  SBBG117133  Acmispon wrangelianus S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1530 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  UC450964  Acourtia microcephala F. A. MacF. 1931-6-1 2972 Los Angeles Tuna Canyon Verdugo Hills Comment
  CAS-BOT-BC133188  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 335 Los Angeles White's Landing, Santa Catalina Island Comment
  UCR200011  Adenostoma fasciculatum Valerie Soza, Mariam Sidibeh 2003-3-26 1603 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Haines Canyon Park vicinity, SSW of Dorothy and Estepa Drive intersection 549 Comment
  POM305927  Adenostoma fasciculatum var. fasciculatum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1221 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA390487  Adenostoma fasciculatum var. fasciculatum L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  RSA390562  Adenostoma fasciculatum var. fasciculatum Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  SBBG119052  Adenostoma fasciculatum var. fasciculatum S. Boyd, A. Maurice 2004-5-18 11334 Los Angeles Elizabeth Lake Cyn at and just upstream from confluence with Ruby Cyn, between Warm Springs Mtn and Red Mtn 610 Comment
  SEINET12603332 Image available Adiantum emarginatum Unknown 1929-4-13 Los Angeles Catalina Isle Comment
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Sep 10 2020
  UCR190351  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  SFV6293  Agoseris retrorsa M. H. Grayum, B. Hannum 1974-5-30 s. n. Los Angeles Santa Susana Mountains Along main ridge road, north slope of Oat Mountain. 1029 Comment
  UC205252  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles Prairie Fork San Antonio Mountains 2133 Comment
  UCR25130  Agrostis exarata John C. Roos 1951-7-30 5076 Los Angeles San Gabriel Mtns., North slope of Mt. Baden Powell 2043 Comment
  SEINET4044471  Agrostis pallens D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, near Kanan-Dume Road. 182 Comment
  SEINET7594108 Image available Agrostis pallens Unknown 1892-1 45862 Los Angeles Santa Monica, Santa Monica Comment
  UC205246  Agrostis stolonifera I. Johnston 1917-5-13 1021 Los Angeles El Monte 83 Comment
  LA10257  Agrostis stolonifera Marjorie Bowler; 1937-10-21 69 Los Angeles Santa Monica Mountains, Gayley Avenue above Westwood Village 114 Comment
  UCR209133  Agrostis viridis R. G. Swinney 2008-6-24 9083 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  LA212439  Albizia lophantha Jack Pepper; 1953-2-11 s.n. Los Angeles Comment
  RSA469450  Aliciella lottiae Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA729400  Allium fimbriatum var. fimbriatum R. G. Swinney 1998-6-12 6952 Los Angeles San Gabriel Mtns.: NW of Jackson Lake at Ball Flat. 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Road 1890 Comment
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Sep 4 2015
  SEINET193925  Allium haematochiton I. L. Wiggins 1931-4-11 5274 Los Angeles Baja hills between Quail Springs and San Fernando Comment
  RSA367029  Allium lacunosum var. lacunosum Anstruther Davidson 2802 Los Angeles Catalina [Island] Comment
  UC284823  Allium monticola P. A. Munz 1923-5-26 6858 Los Angeles Vincent Gulch San Gabriel Mts., Vincent Gulch 1981 Comment
  CAS-BOT-BC475404  Allium praecox George B. Grant; Walter Wheeler 1904-4-21 34 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  SD90512  Allium praecox Robert F. Thorne 1966-4-16 36033 Los Angeles San Clemente Island, rocky, sunny slope near top of canyon between Seal Cove and Eel Point (2/3 mile south-southeast of point), southwest side of island. 91 Comment
  RSA0113510  Allophyllum divaricatum Lyman Benson 1945-6-5 11764 Los Angeles Cold Spring, 2-1/2 miles southwest of Camp Baldy on the Glendora Road. Mt. Range: San Gabriel. 1371 Comment
  LA81934  Allophyllum glutinosum O. H. Kappler; 1944-4-23 590 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 152 Comment
  RSA334148  Allophyllum glutinosum R. F. Thorne 1969-7-2 38235 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UC624998  Allophyllum glutinosum F. R. Fosberg 1931-7-14 15413 Los Angeles Hamilton Canyon Santa Catalina Isl., Hamilton Canyon 30 Comment
  LA204083  Alnus rhombifolia W. B. Welch; 1928-4-15 55 Los Angeles San Gabriel Mountains, Big Tujunga Comment
  UC57499  Alnus rhombifolia J. H. Barber 1898-2-22 370 Los Angeles Topango Canyon Comment
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May 22 2014
  CATA2942  Amblyopappus pusillus Sarah Ratay 2010-4-30 120 Los Angeles Santa Catalina Island: Just S of Little Harbor Overlook 32 Comment
  HSC46406  Amblyopappus pusillus M. B. Dunkle 1939-5-28 8111 Los Angeles E side, grassy terrace, Santa Barbara Island Comment
  UC84287  Amblyopappus pusillus T. S. Brandegee May 15 1890-Jan 1 1900 Los Angeles Santa Catalina Island Comment
  UC557680  Amblyopappus pusillus Nell Murbarger 1936-3-1 61 Los Angeles w side of island, low slopes San Clemente Island Comment
  RSA416894  Ambrosia acanthicarpa F. R. Fosberg 1931-7-11 7195 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  SFV21144  Ambrosia acanthicarpa J. M. Keefe 2001-1-19 30992 Los Angeles San Fernando Valley Big Tujunga Wash, 300 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 384 Comment
  UC1506376  Ambrosia artemisiifolia Oscar F. Clarke 1970-8-5 Los Angeles Northridge, at the home of Judy Owen, 8841 Ouakertown Ave Northridge Comment
  RSA416928  Ambrosia chamissonis L. E. Hoffman 1929-5-16 s.n. Los Angeles Castle Rock, Santa Monica. Comment
  UC53916  Ambrosia chamissonis Ernest Braunton 1902-5-1 311 Los Angeles Redondo Comment
  UCR11540  Ambrosia psilostachya Harlan Lewis 1939-9-23 1004 Los Angeles West Los Angeles 61 Comment
  CAS-BOT-BC180638  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1994-6-22 8014 Los Angeles 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32, Warm Springs Canyon - Liebre Mountains 658 Comment
  LA200431  Amorpha californica var. californica K. Kneen; 1933-5-14 sn 3707 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA608898  Amorpha californica var. californica L. C. Wheeler 1931-5-5 s.n. Los Angeles San Gabriel Mountains: Burbank Canyon. Comment
  SBBG10657  Amsinckia intermedia R. Moran 1959-3-9 7163 Los Angeles cyn 2 mi SE of Eel Pt 100 Comment
  RSA586290  Amsinckia tessellata var. tessellata Orlando Mistretta 1995-3-14 1535 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  SFV22005  Anagallis arvensis V. Soza, L. Gross, A. Munoz 2000-5-12 886 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail to fire road, near junction. 396 Comment
  RSA465139  Anagallis arvensis Unspecified s.n. Los Angeles Behind Glendale J. C. Comment
  SD45608  Anagallis arvensis Darley F. Howe 1953-5-2 2273 Los Angeles Hillside at mouth of Wain Canyon, Catalina Island Comment
  SDSU9835  Anagallis arvensis D. F. Howe 1953-5-2 2273 Los Angeles Hillside S of mouth of Wain Canyon, Santa Catalina Island. Comment
  RSA603895  Ancistrocarphus filagineus L. C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  LA33352  Andropogon glomeratus var. scabriglumis Peter H. Raven; 1959-10-25 14702 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA588053  Androsace elongata subsp. acuta Orlando Mistretta 1994-4-15 1049 Los Angeles Santiago canyon: W slopes of drainage near confluence with Little Rock Creek. 1113 Comment
  CAS-BOT-BC400321  Anemopsis californica Le Roy Abrams; E. A. McGregor 1908-7-2 550 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  RSA600014  Anisocoma acaulis Steve Boyd, Lauren Raz 1997-5-29 9927 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1127 Comment
  UCR280742  Anisocoma acaulis R. G. Swinney 2014-4-23 16165 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  CATA333  Anthemis cotula Mark L. Hoefs 1973-7-13 372 Los Angeles Santa Catalina Island: Middle Ranch Canyon just above reservoir, on north side of main road 236 Comment
  RSA595168  Anthriscus caucalis Steve Boyd 1996-4-25 8688 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
  SEINET4182859 Image available Anthriscus neglecta var. scandix C. W. Tilforth 1975-4-21 979 Los Angeles Palmer Canyon n of Claremont Comment
  POM6272  Antirrhinum coulterianum A. Lucille Reed 1908-5-2 5 Los Angeles Claremont. 100 Comment
  UC1595271  Antirrhinum coulterianum Tim Ross and Peter Fritsch 1990-6-20 3662 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1328 Comment
  SBBG13344  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles 1 mi up cyn from its mouth, cyn half-way between Eel Pt and Seal Cove Comment
  CAS-BOT-BC176324  Aphanisma blitoides J. C. Nevin 1885-4-1 s.n. Los Angeles San Clemente Isl Comment
  RSA535690  Aphanisma blitoides T. S. Ross 1991-5-22 5445 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  UCR209424  Aquilegia formosa R. G. Swinney 2008-9-13 9453 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UC2026394  Arabis sparsiflora var. californica Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, Campground Vicinity. Comment
  UCR124419  Arceuthobium campylopodum B. C. Templeton 1932-5-31 4846 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SBBG127967  Arctostaphylos catalinae B. E. Carter, J. R. Clark 2012-8-9 6964 Los Angeles Bulrush Cyn, below Salta Verde turnoff 255 Comment
  UC82954  Arctostaphylos catalinae J. W. Toumey 1894-9-15 Los Angeles Catalina Island Comment
  SEINET11995509  Arctostaphylos gabrielensis W. Knight, Knight, I. 1986-1 6309 Los Angeles San Gabriel Mts., Mill Creek Campground at summit on road N-3 1417 Comment
  HSC84052  Arctostaphylos glandulosa subsp. glandulosa David Charlton 1987-1-31 633 Los Angeles Saddle Peak 610 Comment
  SDSU12573  Arctostaphylos glandulosa subsp. glandulosa Darren H. Burton, John Tiszler and John Heckoff 1996-3-8 8 III96B Los Angeles Immediately south of path leading thru the dense stand of Yucca brevifolia located immediately east of 15, ca. 8 miles south of Gorman. 1006 Comment
  RSA626763  Arctostaphylos glandulosa subsp. mollis T. S. Ross, Steve Boyd 1994-5-10 7692 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit. 854 Comment
  RSA626774  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20487 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  SFV22024  Arctostaphylos glandulosa subsp. mollis V. Soza, I. E. Anderson, L. Gross 2000-6-6 990 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Stough Canyon Mountainway, above Stough and Wildwood canyons, west side of peak O'2642. North-northwest-facing slope above along fire along ridgetop. 762 Comment
  CAS-BOT-BC39350  Arctostaphylos glauca S. Y. Parnay March 262 Los Angeles Mount Wilson 914 Comment
  POM367306  Arctostaphylos glauca Fay A. MacFadden 1931-4-25 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA603190  Arctostaphylos glauca L. C. Wheeler 1972-12-20 12780 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA631437  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15617 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA0087362  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16045 Los Angeles Ridge Route, 9 km south of Liebre Gulch turnoff, Liebre Mountains. 1000 Comment
  CAS-BOT-BC46734  Arctostaphylos parryana Joseph Andorfer Ewan 1936-7-27 9852 Los Angeles San Gabriel Mts. N. end of Table Mt. Swartout Valley. 2133 Comment
  RSA634752  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20382 Los Angeles Road to Pacifico Mtn., 0.5 km east of Mill Creek Summit, San Gabriel Mtns. 1500 Comment
  RSA634769  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20429 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
  RSA635093  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20352 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  UCR27038  Arenaria macradenia T. P. Krantz 1980-7-2 s.n. Los Angeles San Gabriel Mtns., east of Mt. Gleason 1768 Comment
  UCR85822  Arenaria macradenia var. arcuifolia T. S. Ross, Steve Boyd 1991-7-24 5615 Los Angeles San Gabriel Mtns, Ridge NNE of Granite Mountain 1942 Comment
  CAS-BOT-BC174072  Arenaria paludicola Davidson; Greata 1900-8-26 s.n. Los Angeles Cienega Comment
  CHSC26539  Argemone munita subsp. munita Barry White 1969-4-12 190 Los Angeles 30 miles North of Azusa, 1 mile So. Of Crystal Lake on Hwy. 39 in San Gabriel Mtns. 762 Comment
  UCR43256  Argemone munita subsp. munita David Charlton 1986-6-15 244 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  RSA385013  Aristida adscensionis var. modesta Anstruther Davidson 1890-06 s.n. Los Angeles Sunnyside. Near Los Angeles. Comment
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May 26 2015
  SFV21452  Aristida purpurea var. parishii L. Gross, V. Soza, S. Tessel 2001-6-4 400 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek but a short distance from the main crest. 366 Comment
  CATA8  Artemisia californica USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 2 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  CATA1981  Artemisia douglasiana F. R. Fosberg 1931-7-11 Los Angeles Santa Catalina Island: Cape Canyon 220 Comment
  UC74039  Artemisia douglasiana Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  CAS-BOT-BC93826  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8249 Los Angeles Liebre Mountains - Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet 993 Comment
  UCR276877  Artemisia dracunculus R. G. Swinney 2011-10-13 15777 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  RSA93947  Artemisia dracunculus F. W. Peirson 1918-10-16 272 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 534 Comment
  SBBG62456  Artemisia spinescens R. Hoffmann 1931-4-20 Los Angeles Lancaster Comment
  CLARK-A1528-1099  Artemisia tridentata subsp. parishii John C. Roos 1946-11-23 3158 Los Angeles Placerita Canyon 365 Comment
  RSA562153  Artemisia tridentata subsp. parishii D. Charlton 1989-5-25 3196 c Los Angeles Corner of G/H and 30th street, West Palmdale 610 Comment
  RSA599736  Arundo donax L. C. Wheeler 1967-11-24 s.n. Los Angeles San Gabriel Mountains: Millard Canyon at Canyon Crest Road. 412 Comment
  RSA70326  Asclepias eriocarpa F. W. Peirson 1920-7-13 2208 Los Angeles Brae-Burn in the Rubio Creek stream bed; south base of San Gabriel Mtns. Comment
  UCSB4934  Asclepias fascicularis Kamb, Peter 1947-6-1 Los Angeles Red Box Gap, San Gabriel Mts.; upper Sonoran Zone 1402 Comment
  SBBG51637  Asclepias vestita R. Gustafson, C. Davidson 1977-4-20 418 Los Angeles Fort Tejon Rd, S of Littlerock, ca. 1.5 mi E of jct with 82nd St 975 Comment
  CATA2885  Asparagus densiflorus Sara L. Crockett, Michael Daligdig 1996-11-4 28 Los Angeles Santa Catalina Island: Casino point and walkway 9 Comment
  LA94118  Aspidotis californica Lawrence L. Kiefer; 1966-4-10 1845 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, ca 2 mi S of Mulholland Hwy on W-side. 304 Comment
  RSA686326  Aspidotis californica F. R. Fosberg 1931-1-7 7118 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  CAS-BOT-BC68856  Aspidotis californica Jon Nickoloff 1973-3-1 730301 -8 Los Angeles San Gabriel Mts. - 25' E. of Mt. Wilson Trail 609 Comment
  POM939  Aspidotis californica T. G. Bergesch 1896-05 s.n. Los Angeles Pasadena. Comment
  POM4788  Aster lanceolatus subsp. hesperius I. M. Johnston 1917-8-20 s.n. Los Angeles Camp Baldy. 1280 Comment
  RSA594407  Aster subulatus var. ligulatus Steve Boyd, Lauren Raz 1996-10-14 9085 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  RSA630370  Astragalus acutirostris L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  CAS-BOT-BC182580  Astragalus didymocarpus var. dispermus Dr. A. Davidson 1893-5-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  OBI13362  Astragalus douglasii var. douglasii Wesley O. Griesel 1962-6-7 s.n. Los Angeles Big Pines, San Gabriel Mts 1067 Comment
  RSA90228  Astragalus douglasii var. parishii F. W. Peirson 1922-7-6 4753 Los Angeles Swartout Valley region. Big Pines, north side of San Gabriel Mtns. 2073 Comment
  UC168333  Astragalus lentiginosus var. variabilis Katharine Brandegee Los Angeles Lancaster , Lancaster (Mojave Desert) Comment
  RSA235251  Astragalus miguelensis E. R. Blakley 1962-6-9 5192 Los Angeles San Clemente Island, China Point 3 Comment
  SBBG98673  Astragalus miguelensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5083 Los Angeles sand dunes on coastal terrace at West Cove, SW of the new landing field 6 Comment
  SD139598  Astragalus miguelensis Jon Rebman, Jonathan Dunn 1996-4-29 3103 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  SD249201  Astragalus miguelensis Michael G. Simpson, Adrienne Russell, et al. 2000-7-19 2186 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  CAS-BOT-BC186464  Astragalus nevinii Peter H. Raven 1962-5-8 17624 Los Angeles Near western shore of island opposite Wilson Cove 45 Comment
  SEINET3860274  Astragalus pachypus var. pachypus R. G. Swinney 2009-4-24 10431 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creem 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  UCR14984  Astragalus purshii K. T. Ingram 1976-5-16 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest. On Big Pines Hwy, 1.9 mi from Angeles Crest Hwy Comment
  SEINET5326932  Astragalus trichopodus G. B. Grant, Walter Wheeler 1904-4-21 72 -6262 Los Angeles on santa Catalina Island, Pacific Ocean, off Southern California Comment
  SBBG18739  Astragalus trichopodus var. lonchus E. R. Blakley 1961-9-24 4783 Los Angeles Little Springs Cyn 15 Comment
  RSA415737  Astragalus trichopodus var. lonchus Frances M. Morey 1922-4-14 s.n Los Angeles Culver City. Comment
  CAS-BOT-BC199096  Astragalus trichopodus var. phoxus Alice Eastwood; John Thomas Howell 1937-4-26 3940 Los Angeles Near Sangus. Comment
  UC72717  Atriplex Miss E. D. Palmer 1904-11-1 Los Angeles vicinity Los Angeles; vicinity of Los Angeles Comment
  UCR274004  Atriplex argentea Mitch Provance 2010-5-18 510- 01 Los Angeles Westernmost Mojave Desert, Western Antelope Valley, along Lancaster Rd. (= Hwy 138), near entrance to cement plant, c. 0.6 mi. east of intersection of Lancaster Rd. and County Route N2 1021 Comment
  RSA591764  Atriplex argentea subsp. expansa J. C. Roos 1947-7-21 s.n. Los Angeles Lancaster. Comment
  POM158314  Atriplex californica M. B. Dunkle 1928-4-29 1894 Los Angeles Little Harbor. 5 Comment
  UCR231076  Atriplex canescens Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range, Bouquet Canyon, south of David Way intersection with Bouquet Canyon Rd. 425 Comment
  RSA226016  Atriplex canescens subsp. canescens R. F. Thorne, C. W. Tilforth 1971-6-29 40682 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River in sandy wash of Aliso Canyon. 854 Comment
  RSA743656  Atriplex glauca R. E. Riefner Jr. 2007-4-21 7 -181 Los Angeles Palos Verdes Peninsula, Portuguese Bend, 0.5 mi S of Peppertree Dr. on Palos Verdes Dr. South 68 Comment
  SBBG13623  Atriplex lentiformis subsp. breweri P. H. Raven 1962-5-7 17580 Los Angeles just above coast 1 mi S of Wilson Cove 6 Comment
  SBBG77607  Atriplex lentiformis subsp. breweri E. Z. Rett, P. C. Orr 1945-4-3 Los Angeles San Clemente Island Comment
  RSA575260  Atriplex leucophylla H. C. Stutz 1982-7-8 9026 Los Angeles Malibu Beach. Comment
  SD90426  Atriplex leucophylla Robert F. Thorne 1973-4-12 42917 Los Angeles San Clemente Island; dunes at Horse Cove, south end of island. 3 Comment
  SD67592  Atriplex nummularia Louis C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey. 10 Comment
  UC407308  Atriplex pacifica LeRoy Abrams 1903-3-14 3137 Los Angeles San Pedro hills near Rocky Pt.; San Pedro hills near Rocky Pt. Comment
  SBBG72569  Atriplex polycarpa R. Hoffmann 1927-8-31 Los Angeles 2 mi W of Acton Comment
  RSA453955  Atriplex semibaccata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  UC1215228  Atriplex semibaccata Peter H. Raven 1962-7-11 17999 Los Angeles just s old airstrip (San Clemente Island); San Clemente Island Comment
  RSA127825  Atriplex subspicata P. H. Raven, H. J. Thompson 1959-9-6 14370 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  RSA534124  Atriplex watsonii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5088 Los Angeles San Clemente Island, west Cove, SW of the new landing field 6 Comment
  RSA385384  Avena barbata H. L. Bauer 1928-10-12 s.n. Los Angeles Long Beach. Comment
  OBI69139  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 Los Angeles Liebre Mts Region: Northern base of Portal Ridge at the mouth of Myrick Cyn, southern edge of the Antelope Valley, S of Fairmont Reservoir 1158 Comment
  SEINET10868752  Avena fatua Amelia F. Eby Eby s.n. Los Angeles Comment
  RSA187949  Avena sativa R. F. Thorne 1966-4-29 36274 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  CAS-BOT-BC98728  Baccharis douglasii LeRoy Abrams 1903-8-26 2976 Los Angeles Ballona Creek, near Mesmer Comment
  SFV12662  Baccharis pilularis M. H. Grayum, D. L. Koutnik 1977-11-25 897 Los Angeles San Gabriel Mountains Roadfill along Placerita Canyon Road. 572 Comment
  CAS-BOT-BC106755  Baccharis salicifolia Geo. B. Grant 1902-5-1 97 Los Angeles Los Angeles So. Cal. Comment
  CAS-BOT-BC106760  Baccharis salicifolia A. D. E. Elmer 1902-6-1 3701 Los Angeles Acton Comment
  LA203018  Baccharis salicifolia M. Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  LA94396  Baccharis salicifolia Norman A. Cole; May 1964 383 B Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  POM350349  Baccharis salicifolia F. R. Fosberg 1931-5-7 4829 Los Angeles Cottonwood Canyon, Santa Catalina Island 200 Comment
  POM4661  Baccharis salicifolia Anstruther Davidson 1917-10 s.n. Los Angeles Streets. Comment
  RSA150936  Baccharis salicifolia Peter H. Raven 1962-5-8 17629 Los Angeles Dunes on western side 0.3 mile from the ocean, opposite Wilson cove, San Clemente Island. 12 Comment
  SBBG79592  Baccharis salicifolia F. R. Fosberg 1931-3-23 4330 Los Angeles Hamilton Cyn 20 Comment
  SEINET7003040  Baeria chrysostoma Wanda P. Vestal, A. G. Vestal 1955-3-26 3486 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  SEINET11861852  Baileya pauciradiata J. F. Bright, Wyman, C. 1931-4-12 5301 Los Angeles Antelope Valley Comment
  UC1536833  Balsamorhiza deltoidea G. H. True Jr. 1935-3-27 177 Los Angeles 5 mi sw Palmdale 944 Comment
  UCR29864.1  Balsamorhiza deltoidea R. D. Goeden 1983-6-8 s.n. Los Angeles San Gabriel Mtns., Burnt Peak , Angeles National Forest 8 mi (airline) west of Lake Hughes 1646 Comment
  POM350806  Bellis perennis N. C. Cooper 1945-3-9 1691 Los Angeles Campus, USC. Los Angeles, Calir. Comment
  CAS-BOT-BC75747  Berberis nevinii Carl B. Wolf 1927-7-27 682 Los Angeles About one-half mile south of San Fernando. Comment
  RSA438416  Bergerocactus emoryi Anonymous, Hancock Expedition 1939-2-18 s.n. Los Angeles San Clemente Island Comment
  UC1605254  Berula erecta Timothy S. Ross, Steve Boyd and Steve Burns 1994-7-6 8089 Los Angeles confluence of San Francisquito Canyon and two triutaries draining off of Red Mountain (Liebre Mountains, s end of Cottonwood Swamp dissected by San Francisquito Road); Liebre Mountains, Cottonwood Swamp 510 Comment
  UCR125137  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA609132  Bidens pilosa L. C. Wheeler 1931-5-3 s.n. Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  UC75844  Bidens pilosa unknown 1903-6-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC100265  Blennosperma nanum var. nanum A. J. McClatchie 1897-3-25 s.n. Los Angeles Near Gardena Comment
  RSA586534  Bloomeria crocea var. crocea Timothy S. Ross, Annette Ross 1991-6-3 5550 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  CAS-BOT-BC16085  Boechera californica C. F. Baker 1909-3-20 5250 Los Angeles Claremont. Comment
  UCD114427  Boechera pulchra Steve Mason; Helen M. Mason 1993-5-9 36 Los Angeles Mt. Pines area, Lockwood Valley Rd., 3.7 mi. from Mnt. Pios Hwy, on the right side of the road. 1645 Comment
  UC440483  Bothriochloa barbinodis Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mountains, Topango Canyon Topango Canyon; Santa Monica Mountains, Topango Canyon Comment
  RSA682648  Bougainvillea glabra LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1033 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  RSA0118518  Bowlesia incana Steven A. Junak, Keri Kirkland 1998-6-11 SCa- 708 Los Angeles Santa Catalina Island. NE side of island, in portion of small canyon, just SE of Frog Rock. 15 Comment
  RSA604916  Bowlesia incana L. C. Wheeler 1965-5-16 8704 Los Angeles Liebre Mountain: Ravine S of Two Shay Ranch, Bouquet Canyon. Comment
  RSA640313  Boykinia rotundifolia Louis C. Wheeler 1931-7-3 s.n. Los Angeles San Gabriel Mountains: Fern Canyon. . Comment
  RSA0069716  Brachypodium distachyon Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 6 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  UCR159956  Brassica fruticulosa Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 654 a Los Angeles San Gabriel Mtns, south side: Cobal Canyon, Claremont Hills Wilderness Park, at junction of main fire road and Thompson Creek 518 Comment
  RSA0081637  Brassica geniculata R. G. Swinney 2010-9-9 13751 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR273226  Brassica geniculata R. G. Swinney 2011-10-18 15823 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA0066327  Brassica nigra K. Dobry 1991-5-22 d- 662 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  RSA638236  Brickellia californica L. C. Wheeler 1967-9-4 10649 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  SBBG95459  Brickellia californica M. B. Dunkle 1928-10-17 2022 Los Angeles Howland's Comment
  UC1605496  Brickellia californica Tim Ross 1990-8-17 3182 Los Angeles near spring in draw just s. Camp Lupine (s. side of Prairie Fork); San Gabriel Mts., Mt. San Antonio 7.5' Quad. 2023 Comment
  UC527673  Brickellia californica C. B. Wolf 1931-10-20 Los Angeles 1/2 mi above, on road from Tujunga to La Canada Montrose; San Gabriel Mts. 457 Comment
  JEPS30693  Brickellia nevinii Peter H. Raven 1961-9-24 16757 Los Angeles 1 mi n of summit above Pacoima Canyon (Sand Creek); Sand Creek 731 Comment
  UCR238077  Brickellia nevinii Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2104 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  RSA40048  Briza minor Henry M. Pollard 1946-4-18 s.n. Los Angeles Ojai Valley. Near California Prep School. Comment
  RSA0021440  Brodiaea capitata Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  SBBG98549  Brodiaea kinkiensis T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5317 Los Angeles between Box and Horse Cyns 486 Comment
  POM364053  Bromus Robert M. Perkins 1936-3-19 188 Los Angeles San Marino. Comment
  UCR147778  Bromus carinatus var. carinatus Valerie Soza, L. Lubinsky 2000-6-23 1026 Los Angeles San Gabriel Mountains, South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle 1646 Comment
  RSA536079  Bromus diandrus Timothy S. Ross 1991-5-21 5424 Los Angeles San Clemente Island: upper reaches of Box Canyon, SW side of island. 366 Comment
  UCR205037  Bromus hordeaceus R. G. Swinney 2003-5-12 8204 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, drainage near Big Cienega Spring, S fork of upper Pavil Canyon 640 Comment
  LA33365  Bromus hordeaceus Peter H. Raven; 1959-4-4 13976 Los Angeles SANTA MONICA MOUNTAINS, Pt. Dume, behind point. 21 Comment
  RSA191170  Bromus inermis subsp. inermis R. F. Thorne, M. Z. Thorne 1967-7-19 37165 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area 1981 Comment
  SD252234  Bromus madritensis Steven A. Junak 1999-5-20 Sca 944 Los Angeles Santa Catalina Island. Just S of Cottonwood-Black Jack Road. 305 Comment
  SD69357  Bromus madritensis subsp. rubens Robert P. Thorne, P. Everett 1965-5-10 34454 Los Angeles Santa Catalina Island; Echo Lake; weedy area around Lake 410 Comment
  POM363941  Bromus rubens Donald Tahara 1975-4-18 68 Los Angeles Ferndell Pk., Los Angeles Comment
  RSA660307  Bromus rubens Dennice McDougall 1981-5-5 820 Los Angeles 2 mi W of 57 Fwy off Temple Ave Pomona, Cal Poly Pomona Campus. 200' off University drive. Comment
  UCD59592  Bromus rubens L. Y. Leonard 1919-5-31 X 3028 Los Angeles Hollywood. Hill N of town. Comment
  UCR258903  Bromus rubens R. G. Swinney 2010-4-30 12462 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  SEINET10518057  Bromus rubens Betty Venrick 1961-5-11 Venrick 575 Los Angeles Rancho Santa Ana Botanical Gardens. Mt. Range San Gabriel. Pacific slope. Aoil alluvial. Calif. chaparral. 335 Comment
  UCR123808  Bromus tectorum Steven R. Hill, K. Kramer 2001-4-22 33349 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR280577  Bromus tectorum R. G. Swinney 2014-4-18 16129 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  UCSB18587  Bromus tectorum Daniel, Dick 1964-5-15 Los Angeles Mint Canyon Campground; US Hwy 6, 7.7 mi NE of junction of Mint Canyon Rd and CA Hwy 126 640 Comment
  RSA0019985  Bromus tectorum F. W. Peirson 1922-7-5 5363 Los Angeles Big Pines Camp, north side of San Gabriel Mountains 2104 Comment
  RSA0028713  Bromus tectorum Donald Tahara 1975-5-25 70 Los Angeles 0.25 mi. South Charlton Stn. off Angeles Crest Hwy. Comment
  UCD114952  Cakile maritima Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  RSA466545  Calandrinia ciliata M. B. Dunkle 1938-3-20 5254 c Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  CLARK-A1528-3357  Callistemon viminalis Carlos D. Jativa 1972-5-2 2500 Los Angeles Los Angeles County Arboretum Comment
  UCSB619  Calochortus catalinae Wedberg, H. 1957-5-5 Los Angeles Across Hwy 101 from Paradise Cove Comment
  UC1174999  Calochortus clavatus E. K. Balls and P. C. Everett 1959-6-29 23863 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 243 Comment
  RSA0114766  Calochortus clavatus var. gracilis Anuja Parikh, Nathan Gale 2003-4-19 1741 Los Angeles WTR, N of Santa Clara River, 1 km E of intersection of Bouquet Canyon Road and Newhall Ranch Road. 405 Comment
  RSA627539  Calochortus clavatus var. gracilis Sandy Leatherman, Brian Daniels 1998-5-8 3 Los Angeles Santa Monica Mountains: S of Woolsey Canyon Road, down the existing dirt road. 366 Comment
  SBBG122015  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 748 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 570 Comment
  SFV21047  Calochortus clavatus var. gracilis L. Gross, V. Soza 2001-6-6 435 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  UCR257109  Calochortus kennedyi Mitch Provance 2010-5-12 0510- 58 Los Angeles Western Transverse Range/W Mojave Desert, hills south side of Hwy 138, c. 3 miles west of Neenach and 5.5 miles east of intersection of Hwy 138 and N2/Ridge Route 1009 Comment
  UCSB42663  Calochortus kennedyi Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road, 3.3 mi west of Hwy 5 981 Comment
  UCR146266  Calochortus palmeri var. palmeri Orlando Mistretta 1995-6-23 1870 Los Angeles Transverse Ranges; San Gabriel Mountains, head of Little Rock Creek c. 0.5 mile downstream from Alder Saddle 1509 Comment
  RSA547823  Calochortus plummerae Timothy S. Ross, Peter W. Fritsch 1990-6-20 3622 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA660182  Calochortus plummerae Orlando Mistretta 1993-1-19 657 Los Angeles Transverse Ranges; San Gabriel Mts region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UC1175005  Calochortus plummerae P. C. Everett and E. K. Balls 1959-6-29 23873 Los Angeles Santa Monica Mountains, Stokes Canyon Stokes Canyon; Santa Monica Mountains, Stokes Canyon 152 Comment
  UCR277925  Calochortus striatus Mitch Provance 2011-6-1 17298 Los Angeles Western Mojave Desert, Lancaster, near Rosamond, NW corner of the intersection of Sierra Hwy. and W Ave. B. 704 Comment
  SBBG58091  Calystegia macrostegia R. Hoffmann 1928-7-9 Los Angeles Elizabeth Lake Comment
  RSA598527  Calystegia macrostegia subsp. amplissima J. P. Rebman, Jonathan Dunn 1996-4-29 3114 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island. 15 Comment
  RSA0093054  Calystegia macrostegia subsp. arida Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14336 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  LA51395  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1960-5-21 15394 Los Angeles Santa Monica Mountains, 2.1 mi. from Ferndale [Fernwood] on road to Saddle Peak 502 Comment
  POM219991  Calystegia macrostegia subsp. intermedia F. R. Fosberg 1932-5-6 8124 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 60 Comment
  RSA708687  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Miriam Sidibeh 2003-3-26 1602 -a Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UCR200183  Calystegia macrostegia subsp. intermedia Valerie Soza, Laura A. Moore 2000-5-10 856 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  RSA762259  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-2 2597 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  RSA762262  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2594 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  UC126774  Calystegia sepium subsp. binghamiae Pupils of Los Angeles High School 1904-5 Los Angeles Near Los Angeles. Comment
  UCR259563  Camissonia bistorta R. G. Swinney 2010-4-1 12131 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
  CDA37643  Camissonia bistorta Phillipson 1915-5-28 Los Angeles Monrovia. Comment
  POM3194  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA465977  Camissonia boothii subsp. decorticans R. S. Woglum 1930-4-13 s.n. Los Angeles North Hollywood Comment
  UCR127365  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  RSA746991  Camissonia californica R. G. Swinney 2008-4-30 8709 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205192  Camissonia californica R. G. Swinney 2008-4-30 8709 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA747407  Camissonia campestris R. G. Swinney 2008-6-9 8968 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  JEPS31513  Camissonia campestris I. W. Clokey and B. C. Templeton 1930-4-8 4653 Los Angeles w Lanchaster 400 Comment
  RSA454034  Camissonia cheiranthifolia subsp. suffruticosa Elbert Benjamine, Rice 1929-1-27 8465 Los Angeles Playa del Rey. Comment
  RSA186760  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-7-10 17954 Los Angeles Wilson Cove, San Clemente Island. 91 Comment
  RSA659807  Camissonia guadalupensis subsp. clementina Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 103 Los Angeles San Clemente Island. Comment
  UCR149778  Camissonia hirtella Scott D. White, Pam Devries 2004-5-18 10432 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  RSA229076  Camissonia hirtella Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38839 Los Angeles San Gabriel Mts., Angeles National Forest: Chilao area sandy roadbank on Angeles Crest Hwy. 1524 Comment
  RSA580690  Camissonia intermedia Tim S. Ross, Steve D. Boyd 1994-5-25 7910 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  POM249868  Camissonia intermedia Joseph A. Ewan 1933-04 10928 Los Angeles Sandy floor of canyon. Higgins Canyon, Santa Monica Mts. Comment
  RSA186712  Camissonia intermedia Peter H. Raven 1962-5-1 17520 Los Angeles Just south of Agoura. 259 Comment
  RSA449014  Camissonia intermedia Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon. 350 Comment
  UCR51994  Camissonia micrantha Steve Boyd, T. S. Elias 1987-4-14 2034 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  SEINET10969617  Camissonia pallida David B. Dunn 1947-4-16 Dunn 2933 Los Angeles 2 mi w & 1 mi n of palmdale. Mohave desert; amongst desert shrubs. Comment
  RSA229918  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1971-6-30 40801 Los Angeles San Gabriel Mountains. 1555 Comment
  RSA462359  Camissonia strigulosa Louis C. Wheeler 1932-7-2 915 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  RSA725218  Camissonia strigulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -30 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
  POM3174  Camissonia strigulosa L. R. Abrams 1903-4-10 3237 Los Angeles Grassy hills, near Inglewood Comment
  UC54697  Camissonia strigulosa L. A. Greata May 1903 323 Los Angeles Arroyo Seco Los Angeles Comment
  UCR270947  Camissoniopsis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14326 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  SDSU3335  Camissoniopsis bistorta H. Wedberg 1958-4-26 260 Los Angeles Santa Monica Mountains, Mulholland Drive about a nile west from the fire station which is a mile or so west from Roscomare Drive x Molholland. 451 Comment
  UCR271055  Camissoniopsis confusa R. G. Swinney 2011-6-6 15002 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  SD92003  Camissoniopsis guadalupensis subsp. clementina R. M. Beauchamp, T. Oberbabauer 1975-8-25 22700 Los Angeles San Clemente Island; at west edge of sandy flat, northwest end of island. 4 Comment
  UCR273208  Camissoniopsis hirtella R. G. Swinney 2011-4-26 14476 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
  RSA0103469  Camissoniopsis micrantha R. G. Swinney 2011-5-10 14647 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA783077  Camissoniopsis pallida subsp. pallida Pam De Vries 2011-5-4 7767 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 502 Comment
  SBBG70069  Canbya candida Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  UC9909  Canbya candida Dr. A. Davidson May 1895 Los Angeles Mohave Desert Comment
  UCSB2273  Capsella bursa-pastoris Haller, Norman 1953-3-28 Los Angeles 2 blks. West of Sepulveda on Mulholland Dr., Santa Monica Mts. 457 Comment
  SEINET10851796  Capsicum annuum Heidi H. Schmidt 1999-1 Los Angeles Comment
  LA35914  Cardamine californica Peter H. Raven; 1960-4-2 14854 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.7 mi NW of Topanga Canyon 243 Comment
  UCR190264  Cardamine californica R. G. Swinney 2000-5-21 7775 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  RSA484618  Cardamine californica var. integrifolia F. R. Fosberg 1932-1-26 7408 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA0095255  Carduus pycnocephalus R. G. Swinney 2011-5-6 14580 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA527689  Carduus pycnocephalus Timothy S. Ross, Annette Ross 1991-6-3 5513 Los Angeles Elephant Hill: West Pomona 230 Comment
  UCR273570  Carex abrupta R. G. Swinney 2011-6-15 15178 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA630258  Carex alma Scott D. White, David E. Bramlet 1998-8-11 7035 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA602739  Carex bolanderi L. C. Wheeler 1967-7-15 10032 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA191166  Carex hassei Robert F. Thorne, M. Z. Thorne 1967-7-19 37188 Los Angeles San Gabriel Mountains. 1981 Comment
  SEINET239001  Carex heteroneura Louis C. Wheeler 1968-6-1 Los Angeles San Gabriel Mtns.: Dorr Canyon at Angeles Crest Hwy (by whitethorn picnic area) 2347 Comment
  UCR99496  Carex pellita Steve Boyd, Lauren Raz 1997-5-28 9857 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  POM14321  Carex phaeocephala Phillip A. Munz 1922-7-21 6118 Los Angeles Mt. San Antonio 2988 Comment
  UC50811  Carex praegracilis J. Burtt Davy May 9 1896-May 24 1896 2618 Los Angeles Leonis Valley Antelope Valley Comment
  RSA719931  Carex spissa R. G. Swinney 1997-10-18 5884 Los Angeles Harrow Canyon above Gelndora c. 0.25 mi. N of Harrow Canyon Debris Basin 488 Comment
  UCR194760  Carex spissa Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 712 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  UC212824  Carex spissa G. B. Grant 1904-5-5 6190 Los Angeles Arroyo Seco, Pasadena Comment
  UCR147049  Carex subfusca L. C. Wheeler 1967-9-3 10622 Los Angeles Transverse Ranges; San Gabriel Mountains, 0.2 mile northeast of Bench Mark 'Twin ' at summit of Waterman Mountain 2363 Comment
  UCR204012  Carex subfusca R. G. Swinney 2001-9-15 8133 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  RSA190964  Carex triquetra Robert F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 s.n. Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  CAS-BOT-BC47718  Castela emoryi Robert F. Thorne 1974-9-18 45120 Los Angeles unspecified 274 Comment
  RSA652578  Castilleja angustifolia G. F. Orr 1956-3-29 s.n. Los Angeles Elizabeth Lake Canyon. 488 Comment
  UCR205278  Castilleja applegatei subsp. martini Valerie Soza, Sarah J. De Groot 2003-6-11 1658 Los Angeles San Gabriel Mountains, Prairie Fork, southeast of Cabin Flat 1799 Comment
  RSA485423  Castilleja applegatei subsp. martinii Steve D. Boyd, Thomas S. Elias 1987-4-14 2042 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA505065  Castilleja applegatei subsp. martinii Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains. Angeles Crest Highway. 5 miles north of turnoff to Horse Flats Campground. Comment
  RSA587082  Castilleja applegatei subsp. martinii Orlando Mistretta, Steve D. Boyd 1995-5-23 1718 Los Angeles Bare Mt. Canyon near summit of Bare Mt. on N ridge. 1768 Comment
  SEINET3448787  Castilleja exserta A. G. Vestal 1947-4-2 Los Angeles Puente Hills, Puente Hills, San Diego Quadrangle (topo map) Comment
  UCSB10573  Castilleja exserta subsp. exserta Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  SEINET1004956  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26111 Los Angeles Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 518 Comment
  RSA400543  Castilleja foliolosa Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  SD66851  Castilleja foliolosa R. Mitchell Beauchamp 1967-3-20 349 Los Angeles Edge of cliff above Abalone Point, south of Avalon, Santa Catalina Island Comment
  CAS-BOT-BC32534  Castilleja gleasoni Adolph Daniel Edward Elmer 1902-6-1 3659 Los Angeles Acton, Mt. Gleason Comment
  RSA0047058  Castilleja grisea Mark A. Elvin, Gerry Allan 1995-5-21 18 Los Angeles San Clemente Island: west side of island, in south branch of Horse Beach Canyon on lower terrace. 15 Comment
  UCR143201  Castilleja hololeuca Reid Moran 1941-3-9 689 Los Angeles Channel Islands, Middle Ranch, Santa Catalina Island 250 Comment
  UC1971165  Castilleja linariifolia Louis C. Wheeler 1968-7-16 Los Angeles San Gabriel Mountains: South fork Big Rock Creek, at Angeles Crest Highway. Comment
  UCD168212  Castilleja linariifolia J. W. Barry May1980 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
  RSA618677  Castilleja miniata subsp. miniata Louis C. Wheeler 1966-8-21 8838 Los Angeles San Gabriel Mountains: Dorr Canyon. Comment
  RSA639165  Castilleja miniata subsp. miniata Louis C. Wheeler 1967-9-3 10636 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  RSA448776  Castilleja minor subsp. spiralis F. R. Fosberg 1930-7-3 S- 3116 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UC1971197  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 Los Angeles SAN GABRIEL MOUNTAINS: Big Rock Creek, 3/4 mile north of Big Rock Springs. Comment
  HSC95566  Caulanthus amplexicaulis John Dittes, Gina Hall 1990-7-19 270 Los Angeles San Gabriel Mtns., N of Kratka Ridge, 1.7 air mi. E of Cloudburst Summit, N of Angeles Crest Hwy., upslope of Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon 1890 Comment
  LA204270  Caulanthus amplexicaulis J. Sauer; A. Ahmed 1977-4-30 5971 Los Angeles Devil's Punchbowl, N side of San Gabriel Mountains Comment
  RSA0101268  Caulanthus amplexicaulis R. G. Swinney 2011-6-22 15263 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
  RSA0106732  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SD181647  Caulanthus amplexicaulis Orlando Mistretta 1993-6-2 863 Los Angeles San Gabriel Mountains: Along road to Vincent Mine. 2009 Comment
  UCR191740  Caulanthus amplexicaulis A. C. Sanders 2008-4-23 35095 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  SEINET3860003  Caulanthus lasiophyllus R. G. Swinney 2009-4-24 10435 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campgroud.; 0 915 Comment
  CAS-BOT-BC39565  Caulanthus major Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3361 Los Angeles San Gabriel Mountains. Big Rock Creek Canyon. Ca. 120 m north northwest of Icy Springs. 1731 Comment
  RSA167790  Ceanothus arboreus Robert F. Thorne, Percy C. Everett 1964-2-6 33293 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  SBBG18704  Ceanothus arboreus E. R. Blakley 1963-4-10 5576 Los Angeles NE side of Black Jack Mtn, at jct of Whites Landing and Airport Rd 381 Comment
  RSA787530  Ceanothus cordulatus Jane Tirrell 2012-6-4 LS 0059 Los Angeles 50 meters above California State Route 2 just west of mile marker 67.7 2316 Comment
  HSC34725  Ceanothus crassifolius R. E. Cooksey Apr 1974 4176 Los Angeles Glendora Mtn. Rd., Saw Gabriel Valley Overlook 854 Comment
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Apr 7 2014
  RSA709615  Ceanothus crassifolius A. C. Sanders 2005-5-5 29874 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
  RSA77143  Ceanothus crassifolius F. W. Peirson 1926-3-20 6514 Los Angeles Arroyo Seco, near Pasadena 915 Comment
  UCR205213  Ceanothus crassifolius R. G. Swinney 2008-3-26 8570 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  CAS-BOT-BC48871  Ceanothus cuneatus C. F. Baker 1904-3-18 4055 Los Angeles Claremont Comment
  RSA399013  Ceanothus cuneatus Howard Mullins 1931-2-25 s.n. Los Angeles Griffith Park. Comment
  UCR108360  Ceanothus cuneatus Scott D. White, Pam DeVries 1998-4-20 6313 Los Angeles Transverse Ranges/Liebre Mtns, Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd., south of the I-14 Fwy, east of Bee Canyon and west of Agua Dulce Canyon 762 Comment
  RSA592825  Ceanothus cuneatus var. cuneatus Steve Boyd 1996-4-24 8657 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  UC218153  Ceanothus cuneatus var. cuneatus P. A. Munz 1920-5-10 3334 Los Angeles in wash below rr tracks. Claremont Comment
  UCR199008  Ceanothus greggii Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  RSA524622  Ceanothus greggii var. vestitus Tim S. Ross, S. D. Boyd 1990-5-17 2591 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  CAS-BOT-BC50148  Ceanothus integerrimus Geo. B. Grant 1901-5-23 s.n. Los Angeles Mt. Lowe - Alpine Tavern 1584 Comment
  POM2770  Ceanothus integerrimus C. F. Baker 1909-5-5 5341 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA313423  Ceanothus integerrimus T. S. Elias 1984-4-29 8324 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  CAS-BOT-BC51029  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-8-15 11153 Los Angeles Santa Ana Mts. W. Slope Santiago Truck Trail, 1 6/10 mi. below main divide motorway 1219 Comment
  POM199765  Ceanothus megacarpus I. W. Clokey, Bonnie C. Templeton 1929-04 4508 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UCR3984  Ceanothus megacarpus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  RSA544552  Ceanothus megacarpus var. insularis Tim S. Ross, E. Kellogg 1992-4-11 6114 Los Angeles San Clemente Island; West fork of China Canyon 239 Comment
  UC1302265  Ceanothus megacarpus var. insularis Robert F. Thorne and P. C. Everett 1964-2-6 33434 Los Angeles Santa Catalina Island, central part. 457 Comment
  UC79863  Ceanothus megacarpus var. insularis Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  UC18278  Ceanothus megacarpus var. megacarpus J. H. Barber 1897-1-9 11 Los Angeles Santa Monica Canon Comment
  CAS-BOT-BC50494  Ceanothus oliganthus Lester Rowntree 1938-3-8 s.n. Los Angeles Santa Susan Pass Comment
  UCR255468  Ceanothus oliganthus Dan S. Cooper 2014-5-23 514- 09 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, upper Vista del Valle Rd. northeast of Mt. Hollywood 348 Comment
  RSA655773  Ceanothus oliganthus subsp. oliganthus LeRoy Gross 2001-1-28 335 Los Angeles Verdugo Mountains, north side: Along dirt road were Mesa Lila Road ends, at bottom of Ridge between Engleheard and Henderson Canyons. 488 Comment
  UC1071201  Ceanothus palmeri H. A. Jensen 1933-3-6 266 Los Angeles San Gabriel Peak Angeles National Forest, Pasadena Quad. Comment
  RSA127917  Ceanothus spinosus Peter H. Raven, H. J. Thompson 1959-5-5 14140 Los Angeles Mulholland Hwy, 1mile W of Las Virgenes Road, Malibu Creek drainage. 366 Comment
  UC1506113  Ceanothus spinosus E. R. Clausen 1963-4-4 63029 Los Angeles On steep slope facing north, Udell Canyon, Santa Monica Mts. 100 Comment
  RSA0029519  Ceanothus spinosus T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  UCR223807  Ceanothus vestitus R. G. Swinney 2009-6-17 11163 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR208921  Celtis australis R. E. Riefner Jr. 2006-4-29 06- 158 Los Angeles Pasadena, San Rafael Hills, in vicinity of Canedo Pl. and Wierfield Dr. 320 Comment
  RSA188186  Centaurea cineraria R. F. Thorne 1965-7-23 35016 Los Angeles Santa Catalina Island. Hamilton Canyon side N of Descanso Canyon. 61 Comment
  POM351501  Centaurea melitensis Edith A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  POM130660  Centaurium venustum C. F. Baker 1904-05 4845 Los Angeles Hills near Claremont. Comment
  SBBG132503  Centromadia parryi subsp. australis J. A. Greene 1997-9-12 Los Angeles intersection of Pacific Coast Hwy/Studebaker Rd, near Long Beach Marina 5 Comment
  UCR265499  Centromadia parryi subsp. australis Dan S. Cooper 2015-7-11 714- 45 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  SBBG60909  Centromadia pungens subsp. pungens R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA336426  Centrostegia thurberi Robert F. Thorne 1978-6-21 52325 Los Angeles San Gabriel Mountains: Bob's Gap, Comment
  RSA579439  Centrostegia thurberi Tim S. Ross 1994-6-21 7995 Los Angeles Vicinity of Pacifico Mountain: 100m NE of saddle between north fork Tie Canyon on the SW and a major NE-draining tributary of Santiago Canyon on the NE; ca 3160m NW of Pacifico Mtn's 7124-foot summit. 1622 Comment
  SBBG127991  Cerastium glomeratum M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2826 Los Angeles hillside above New York Harbor 54 Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  SD181807  Ceratophyllum demersum Louis C. Wheeler 1946-8-24 6232 Los Angeles San Gabriel Mountains; Crystal Lake. 1676 Comment
  POM296509  Cercocarpus betuloides Lyman D. Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15097 Los Angeles Santa Catalina Island. North face of Swain Canyon, Whites Landing. Comment
  RSA453285  Cercocarpus betuloides C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC142130  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1372 Los Angeles San Antonio Canyon Wwash 365 Comment
  RSA549802  Cercocarpus betuloides var. betuloides Wandalee Thompson 1964-4-18 27 Los Angeles Thompson Ranch Fire Road, 20660 West Pine Canyon Rd., 7 miles west of Lake Elizabeth. 1128 Comment
  RSA649651  Cercocarpus betuloides var. betuloides Michael Horn 1991-4-30 10 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  UCSB2743  Cercocarpus betuloides var. betuloides Gill, Robert 1959-3-24 Los Angeles Oak Flat Guard Station, Ridge Route 822 Comment
  SBBG95471  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-3-3 2057 Los Angeles Hamilton Cyn Comment
  SD80925  Cercocarpus betuloides var. blancheae James Henrickson 1969-4-10 4244 Los Angeles 4 miles So. of Thousand Oaks along Decker Rd. in Santa Monica Mtns. 366 Comment
  CATA1781  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6921 Los Angeles Santa Catalina Island: Wild Boar Gully, at lower margin of large population of C. traskiae seedlings 187 Comment
  RSA653766  Chaenactis artemisiifolia J. Bogdanoff-Lord 1989-5-21 26 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  SEINET11860834  Chaenactis douglasii var. achilleifolia I. W. Clokey, Templeton, B. 1929-1 4489 Los Angeles Mandeville Canyon, Santa Monica Mountains 250 Comment
  UC1595353  Chaenactis glabriuscula var. glabriuscula Tim Ross 1992-5-17 6352 Los Angeles ca. 555 m distant from the mouth of Shoemaker Canyon (E. Fork of the San Gabriel River, 164 degrees sse); San Gabriel Mountains, East Fork of the San Gabriel River 646 Comment
  RSA18347  Chaenactis glabriuscula var. lanosa C. B. Wolf 1926-5-1 471 Los Angeles 1 mile east of San Fernando Comment
  CAS-BOT-BC277822  Chaenactis santolinoides W. R. Dudley; F. H. Lamb 1896-6-9 4423 Los Angeles Liebre Mountains Comment
  UC1922066  Chaenactis xantiana Scott D. White, Pam DeVries 2006-5-10 11453 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  POM50507  Chamaesyce albomarginata A. D. E. Elmer 1902-06 3630 Los Angeles Lancaster. Comment
  UCSB3601  Chamaesyce polycarpa Kamb, Peter 1948-5-6 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock 975 Comment
  UC2026468  Chamaesyce prostrata Louis C. Wheeler 1961-8-15 7916 Los Angeles PASADENA: Huntington Memorial Hospital. Comment
  RSA599209  Chasmanthe floribunda Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  RSA0011375  Cheilanthes covillei Orlando Mistretta, Kristie Haydu 2011-7-19 5952 Los Angeles Kentucky Springs Cyn. Along Southern California Edison transmission line corridor, 0.5 air miles W of Angeles Forest Hwy, 0.3 air miles N of Angeles National Forest Boundary. 1081 Comment
  SFV12566  Cheilanthes covillei M. H. Grayum, D. L. Koutnik 1977-11-25 887 Los Angeles San Gabriel Mountains Vasquez Rocks, near Agua Dulce. 732 Comment
  UC42447  Cheilanthes covillei Wm. H. Brewer 1860-12-31 100 Los Angeles San Gabriel Mts 1219 Comment
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Apr 30 2009
  POM122863  Cheilanthes newberryi Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona. Comment
  RSA670926  Chenopodium album Joseph M. Keefe 2001-1-19 30926 Los Angeles North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive)., Eagle Rock District, Los Angeles, 90041. 293 Comment
  RSA0114180  Chenopodium album Steven A. Junak 2000-6-30 SCa- 1355 Los Angeles Santa Catalina Island. At upper end of Little Harbor, near camp area, campground (N end). 8 Comment
  UCR127652  Chenopodium album var. lanceolatum A. C. Sanders 2003-5-22 26808 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
  POM228973  Chenopodium ambrosioides L. C. Wheeler 1932-9-9 1364 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1097 Comment
  RSA423258  Chenopodium atrovirens F. R. Fosberg, J. Ewan 1931-6-12 4977 Los Angeles along ridge trail near big rock-Bear Creek divide 2133 Comment
  UC1394438  Chenopodium berlandieri H. A. Wahl 1966-9-3 21774 Los Angeles along Soledad Canyon Rd sw Acton Comment
  SBBG108149  Chenopodium californicum S. L. Crockett, M. L. Hoefs, S. A. Junak 1997-3-27 599 Los Angeles 0.2 mi N on lower Cape Cyn Reservoir Rd from jct with Cape Cyn Rd 286 Comment
  UC452631  Chenopodium californicum C. F. Millspaugh 1920-2-7 4696 Los Angeles Pebble Beach Canyon Santa Catalina Island Comment
  LA200363  Chenopodium multifidum Jonathan Sauer; L. Onesti 1973-11-22 5563 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  RSA762462  Chenopodium murale R. G. Swinney 2009-3-11 10093 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR256843  Chenopodium murale R. G. Swinney 2010-6-8 13218 Los Angeles San Gabriel Mountains, 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 573 Comment
  PASA2689  Chenopodium murale Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  RSA478540  Chenopodium murale E. S. Spalding 1923-05 s.n. Los Angeles Los Angeles. Comment
  UCSB1685  Chenopodium murale Haller, Norman 1953-3-31 Los Angeles Behind Hershey Hall, UCLA Comment
  RSA709771  Chorizanthe parryi var. fernandina A. C. Sanders 2003-8-7 27154 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  SD178202  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26060 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course. On gentle south-facing slopes. 366 Comment
  CAS-BOT-BC244811  Chorizanthe staticoides R. J. Dobbs 1927-5-20 290 Los Angeles Near Claremont 457 Comment
  LA52275  Chorizanthe staticoides A. M. Johnson; 1932-5-30 4120 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA11366  Chorizanthe staticoides C. Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA122736  Chorizanthe staticoides A. D. Gifford 1935-5-8 682 Los Angeles Junction of Castaic and Elizabeth Lake Canyon. 366 Comment
  RSA668668  Chorizanthe staticoides Steve Boyd, LeRoy Gross 2002-5-7 10433 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  RSA713743  Chorizanthe staticoides A. C. Sanders, Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SBBG62294  Chorizanthe staticoides R. Hoffmann 1930-6-7 Los Angeles Elizabeth Lake Cyn Comment
  SDSU4940  Chorizanthe staticoides D. F. Howe 1976-6-1 4915 Los Angeles South side o Little Sycamore Canyon. 488 Comment
  UCR125630  Chorizanthe staticoides A. C. Sanders 2003-5-26 26857 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
  UCR190766  Chorizanthe watsonii R. G. Swinney 2001-5-18 7940 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCSB30867  Chorizanthe watsonii Burgess, Rick 1978-5-20 Los Angeles 106 St. East, 3 miles south of junction with Pearblossom Hwy. 914 Comment
  UCSB42674  Chorizanthe xanti Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road 3.3 mi west of Hwy 5 981 Comment
  CAS-BOT-BC248074  Chorizanthe xanti var. xanti Timothy S. Ross; Steve Boyd 1994-6-23 8066 Los Angeles Liebre Mountains. Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1597 Comment
  RSA587114  Chorizanthe xanti var. xanti Orlando Mistretta 1995-4-21 1633 A Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mile N of Kitter Canyon 1159 Comment
  RSA476627  Chrysolepis sempervirens L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy Comment
  CLARK-A1528-1713  Chrysothamnus nauseosus subsp. bernardinus John C. Roos 1941-10-4 863 Los Angeles San Gabriel Mountains Comment
  UCD103926  Chylismia claviformis subsp. claviformis Ira L. Wiggins 1966-4-24 20650 Los Angeles Along Palmdale Blvd. between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mohave Desert. Comment
  UCR272989  Cirsium occidentale var. californicum R. G. Swinney 2011-4-26 14500 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
  UCD130582  Cirsium occidentale var. coulteri Kathy Tajbakhsh 1996-5-2 20 Los Angeles Rocky Point Park, Chatsworth, Santa Susana Mountains, next to information stand. Comment
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Dec 16 2015
  SEINET5507033 Image available Cirsium occidentale var. coulteri J. Sauer, H. Walter 1973-5-31 5535 Los Angeles crest of Santa Monica Mtns above Brentwood Comment
  SD31183  Cirsium occidentale var. occidentale Edith A. Purer 1931-5-26 Los Angeles Palos Verdes Hills Comment
  CATA3059  Cirsium vulgare Vyki L. Englert, Charlie de la Rosa 2011-3-16 044 Los Angeles Santa Catalina Island: USC Marine Institution, Big Fisherman's Cove in Two Harbors, behind handicapped accessible ramp housing unit along cement drainage 0 Comment
  LA201173  Clarkia amoena subsp. whitneyi Arthur C. Gibson; 2003-5-1 4709 Los Angeles 396 Comment
  CAS-BOT-BC172434  Clarkia bottae Raymond J. Dobbs 1927-5-26 s.n. Los Angeles Loner Arroyo Comment
  CAS-BOT-BC167112  Clarkia cylindrica A. C. Sanders; Mark A. Elvin 2003-6-18 26941 Los Angeles Santa Susana Mountains: along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  UCR199869  Clarkia cylindrica LeRoy Gross 2006-5-30 2463 Los Angeles Transverse Ranges; Mount Pinos, along Whitaker Peak Road (6N53), west of Fwy I-5 and the old Golden State Hwy, near Whitaker Summit, along road southwest of the peak from Whitaker Peak. Lookout along the northeast side of Whitaker Peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B 1244 Comment
  RSA458826  Clarkia cylindrica subsp. cylindrica Kenneth A. Wilson 1962-5-26 1287 Los Angeles Placerita Canyon, about one mile east of Hwy 6. Comment
  RSA652703  Clarkia dudleyana Phillip Robinson 1991-5-19 371 Los Angeles Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd and Workman Mill. 2.2 miles east of Workman Mill Road on trail into Canyon. At end of right fork of trail at the foor of the canyon., City of Industry, SW of Rio Hondo College, E of 605 F. Comment
  RSA448274  Clarkia epilobioides Thekla Mohr 1897-05 s.n. Los Angeles [The City of] San Gabriel. Comment
  LA45554  Clarkia purpurea subsp. quadrivulnera A. M. Johnson; 1932-5-30 4105 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  UCR202426  Clarkia similis Peter L. Morrell, L. D. Gottlieb, Vera Ford 1996-4-10 489 Los Angeles San Gabriel Mtns., San Antonio Canyon, Mt. Baldy Rd., along edges of trail in Evey Canyon, trail begins beyon curve withn 200 m of entrance, just beyond large rock outcrop 720 Comment
  RSA593498  Clarkia unguiculata Steve Boyd, Mike Wall 1996-5-16 8769 Los Angeles Liebre Mountains, Charlie Canyon in vicinity of prominent sandstone outcrop visible from Lake Hughes Road east of Castaic Lake 549 Comment
  SFV21426  Clarkia unguiculata L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1095 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. Canyon bottom (the canyon is not as deep as the hills north of 210 Freeway are low Homes are in the northern portion, the southern half gets just a little steeper on the slopes with more water in the creek. 457 Comment
  RSA303919  Clarkia unguiculata Jim R. Shevock 1970-4-24 149 Los Angeles Foothills of San Gabriel Mountains 427 Comment
  UC1951094  Clarkia xantiana Swinney, R. G. Swinney 2008-5-12 8837 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. USGS Valyermo 7.5' Quad. Comment
  RSA73344  Clarkia xantiana subsp. parviflora F. W. Peirson 1923-5-27 3535 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1296 Comment
  RSA579145  Claytonia exigua subsp. exigua Timothy S. Ross, Darin Banks 1994-4-12 7470 B Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  UCR270003  Claytonia parviflora R. G. Swinney 2010-5-19 12796 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
  CAS-BOT-BC183861  Claytonia parviflora subsp. parviflora Timothy S. Ross; Steve Boyd 1994-5-4 7653 Los Angeles Grass Mountain: gradual, grassy slope of easterly exposure, ca 70 m ENE of the summit 1391 Comment
  RSA729185  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-7-14 6452 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  RSA350988  Claytonia parviflora subsp. viridis Anstruther Davidson, Hasse 1906-6-6 1507 Los Angeles By rock Creek Comment
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May 14 2013
  RSA0026281  Claytonia peirsonii subsp. peirsonii Thomas Stoughton, Jose D. Zuniga 2013-4-1 1706 Los Angeles Near the Devil's Punchbowl County Park 1605 Comment
  UCR194274  Claytonia perfoliata R. G. Swinney 1999-4-9 7084 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  CATA1449  Claytonia perfoliata subsp. mexicana Mark L. Hoefs, Robert F. Thorne 1996-4-6 2631 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  LA200781  Claytonia perfoliata subsp. mexicana A. M. Johnson; 1928-2-16 122 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SEINET181653 Image available Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton March 1929 4526 Los Angeles Santa Monica Mts.; Mandeville Canyon. 365 Comment
  CAS-BOT-BC91386  Clematis lasiantha Timothy S. Ross; Steve Boyd 1994-5-4 7654 Los Angeles Liebre Mountains. Grass Mountain. Ridgetop saddle between the main summit and the northeast summit. 1383 Comment
  LA52249  Clematis lasiantha Martha Hilend Kinsey; 1935-5-24 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  RSA0087235  Clematis ligusticifolia R. G. Swinney 2010-9-13 13819 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  UCR210709  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  CAS-BOT-BC423112  Cleomella obtusifolia Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster Comment
  SBBG131603  Clinopodium douglasii S. A. Junak 1999-7-15 SCa 1033 Los Angeles Bulrush Cyn 243 Comment
  JEPS6200  Collinsia childii Frank W. Peirson 1920-5-28 2156 Los Angeles Bear Canyon San Gabriel Mountains ((San Antonio tributary)) 1371 Comment
  IRVC28163  Collinsia heterophylla A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26274 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  LA52027  Collinsia heterophylla Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA0086833  Collinsia heterophylla R. G. Swinney 2011-5-3 14556 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR252560  Collinsia heterophylla R. G. Swinney 2010-6-21 13269 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA659846  Collinsia heterophylla Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. Comment
  RSA0117333  Collinsia parryi Geo. L. Moxley 1925-4-26 s.n. Los Angeles Arroyo Seco. Comment
  CAS-BOT-BC200998  Colutea arborescens Dennis Kucera 1992-6-4 92 -1 Los Angeles San Gabriel Mountains, Santa Anita Canyon, junction of Sturdevant Falls Trail and trail to Sturdevant Camp & Mt. Wilson 548 Comment
  RSA0084934  Conium maculatum R. G. Swinney 2010-6-23 13327 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  UC2052842  Constancea nevinii M. B. Dunkle 1939-4-6 7284 Los Angeles San Clemente Island, Mosquito Harbor. Comment
  RSA652787  Convolvulus arvensis S. Koukol, R. Koukol 1998-5-3 29 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  UC195500  Conyza floribunda D. L. Crawford 1915-8-10 548 Los Angeles Claremont Comment
  LA201726  Coreopsis bigelovii Arthur C. Gibson; 2001-5-18 4826 Los Angeles Santa Monica Mountains, Little Sycamore Canyon, Point Mugu State Park Comment
  RSA772426  Coreopsis bigelovii R. G. Swinney 2009-4-29 10618 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA252920  Coreopsis californica var. californica R. F. Thorne, C. W. Tilforth 1973-4-20 43041 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  CAS-BOT-BC287945  Coreopsis calliopsidea Carl B. Wolf 1937-4-28 8522 Los Angeles Western Mojave Desert. Antelope Valley, 3.6 miles S of Palmdale 853 Comment
  UC1234628  Coreopsis gigantea Peter H. Raven 1962-3-22 17848 Los Angeles about 1 mi below Middle Ranch; Santa Catalina Island Comment
  CAS-BOT-BC105701  Corethrogyne filaginifolia Geo. L. Moxley 1916-9-4 514 Los Angeles Eaton Canyon [Canon] Comment
  CAS-BOT-BC105722  Corethrogyne filaginifolia L. R. Abrams 1916-10-31 6372 Los Angeles Cahuenga Pass Comment
  JEPS15875  Corethrogyne filaginifolia Joseph Andorfer Ewan 1934-8-11 8333 Los Angeles Chilao San Gabriel Mts., Chilao 1645 Comment
  JEPS30548  Corethrogyne filaginifolia Donald M. Kyhos 1958-11-1 58 -240 Los Angeles U.C.L.A. campus University of California, Los Angeles campus, U.C.L.A. campu Comment
  POM356139  Corethrogyne filaginifolia E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  SFV5521  Corethrogyne filaginifolia W. A. Kelley Sep 1968 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  SD45573  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1953-8-10 2337 Los Angeles Coast near north end of Santa Monica Mountains. Comment
  RSA640897  Corethrogyne filaginifolia var. peirsonii L. C. Wheeler 1967-8-13 10448 Los Angeles San Gabriel Mts.: across Soledad Canyon from second RR tunnel down canyon from Bear Canyon 548 Comment
  RSA532645  Corethrogyne filaginifolia var. pinetorum Timothy S. Ross 1991-8-14 5756 Los Angeles Roundtop Mountain. 1892 Comment
  CLARK-A1528-2437  Coronopus didymus John C. Roos 1957-5-20 6611 Los Angeles Los Angeles Comment
  UCR170452  Cotoneaster pannosus Alex R. Van Dam 2004-5-16 010 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the main parking lot on a slightly graded N-facing slope 280 Comment
  UCR261536  Cotula australis R. G. Swinney 2010-2-27 11702 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR142771  Crassula connata L. C. Wheeler 1967-4-23 9194 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  RSA565747  Crassula tetragona Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo seco Canyon; between Gould Mesa Picnic area and Nino Picnic Area. Comment
  RSA613033  Crassula tillaea L. C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary. Comment
  POM129653  Cressa truxillensis L. R. Abrams 1901-5-25 11204 Los Angeles Ballona Harbor Comment
  RSA4798  Cressa truxillensis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim. Station #3. Plant #2. Comment
  NY268585  Crossosoma californicum F. R. Fosberg 1931-1 S 4522 Los Angeles Avalon Valley, Santa Catalina Island. Comment
  CHSC93232  Croton californicus John Dittes 2005-11-26 1300 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  SD39881  Croton californicus Edith A. Purer 1932-4-23 2771 Los Angeles El Segundo Comment
  SBBG28477  Croton setiger L. R. Abrams 1902-8-20 2966 Los Angeles near Inglewood Comment
  RSA571538  Cryptantha barbigera Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8303 Los Angeles side draw on northeastern side of Mt. Emma, Santiago Canyon drainage 1159 Comment
  SBBG24804  Cryptantha circumscissa R. N. Philbrick 1965-5-20 B 65 -1179 Los Angeles S fork of Little Rock Crk 1066 Comment
  SFV3076  Cryptantha circumscissa K. A. Wilson 1961-4-27 1165 Los Angeles San Gabriel Mountains Soledad Canyon. Base of small canyon adjacent to Bee Canyon. 610 Comment
  UCR205925  Cryptantha circumscissa R. G. Swinney 2008-5-5 8759 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA338008  Cryptantha clevelandii F. R. Fosberg 1932-5-7 10647 Los Angeles Ridges of Grand Canyon, Santa Catalina Island. Comment
  LA31591  Cryptantha intermedia Henry J. Thompson; 1959-5-24 2033 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi E of peak. 670 Comment
  UCR42565  Cryptantha intermedia L. F. LaPre, T. Mulroy 1986-4-7 s.n. Los Angeles San Gabriel Valley, City of Irwindale, near junction of Foothill Blvd & Irwindale Ave., between gravel pit and the San Gabriel River channel 168 Comment
  RSA601941  Cryptantha intermedia L. C. Wheeler 1946-5-21 6209 Los Angeles San Gabriel Wash, about 2 mi. south of Monrovia. Comment
  RSA611257  Cryptantha intermedia L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  RSA191111  Cryptantha microstachys R. F. Thorne, M. Z. Thorne 1967-6-25 37076 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  SD186134  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 395 Comment
  JEPS22765  Cryptantha muricata Rimo Bacigalupi with Reino Alava 1958-7-20 6424 Los Angeles about 1 mi w Cedar Spring (upper slopes of Little Rock Creek Canyon, n-face of Kratka Ridge); San Gabriel Mts., Angeles National Forest, Kratka Ridge 2072 Comment
  RSA0098632  Cryptantha muricata R. G. Swinney 2010-9-7 13712 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UC1595210  Cryptantha muricata Tim Ross and Peter Fritsch 1990-6-20 3671 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UCR11520  Cryptantha muricata Harlan Lewis 1940-2-4 1066 Los Angeles Western Transverse Range; Santa Monica Mtns., near Saddle Peak 610 Comment
  UCR276770  Cryptantha muricata R. G. Swinney 2011-5-16 14729 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  UCR277413  Cryptantha muricata R. G. Swinney 2010-5-21 12896 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA0079158  Cryptantha muricata var. denticulata R. F. Thorne, John Olmsted 1965-8-26 35368 Los Angeles San Gabriel Mts.: Angeles National Forest, along Blue Ridge near upper end of Holiday Hill Ski Lift. 2470 Comment
  SD39202  Cryptantha muricata var. muricata Edith A. Purer 1935-5-11 6589 Los Angeles Santa Monica Mountains, hillside Comment
  UCR277192  Cryptantha nevadensis var. rigida R. G. Swinney 2011-4-19 14417 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
  RSA756895  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-7 3484 -a Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UCR181267  Cryptantha oxygona R. G. Swinney 1997-6-13 5578 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  RSA0079527  Cryptantha pterocarya var. pterocarya Tim S. Ross, Steve D. Boyd, Laurel Arnseth 1991-4-29 4797 Los Angeles Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna. Liebre Mountains. 1118 Comment
  UC146460  Cryptantha simulans LeRoy Abrams 1903-6-30 2578 Los Angeles Mt. Wilson Comment
  SD249169  Cryptantha wigginsii Michael G. Simpson, Lori L. Simpson 2012-4-21 3682 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing. 50 Comment
  SFV6273  Cuscuta californica M. H. Grayum, L. A. Lester 1974-6-22 s. n. Los Angeles Santa Susana Mountains Chivo Canyon. 671 Comment
  UCR206513  Cuscuta pentagona A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36955 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR192659  Cycladenia humilis R. G. Swinney 1999-8-9 7614 Los Angeles San Gabriel Mtns., along Bear Canyon Trail c. 1 mi south of West Baldy peak of Mt. San Antonio 2756 Comment
  RSA747389  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato 2009-5-20 36884 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. ( Hwy 19) and west of Santa Anita Ave. 66 Comment
  RSA470427  Cyclospermum leptophyllum Robert Gustafson 1981-7-15 2333 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC56698  Cylindropuntia californica var. parkeri Alice Eastwood 1913-5-11 3169 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  UC1131377  Cynodon dactylon Jerome S. Horton 1937-9-21 495 Los Angeles near dam Dalton Canyon (<Dam Keeper's old house>); Pomona Quad., Dalton Canyon near Dam Comment
  UC1334781  Cyperus eragrostis A. H. Gallup 1949-5-20 Los Angeles n.w. edge of lake Los Angeles State & County Arboretum (LASCA) Comment
  RSA0088415  Cyperus involucratus R. G. Swinney 2010-2-27 11754 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA703842  Cyperus involucratus A. C. Sanders, Mark A. Elvin 2002-6-20 25246 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  RSA602206  Cyperus involucratus L. C. Wheeler 1945-6-3 6061 Los Angeles San Gabriel Mountains.: West Fork, San Gabriel Canyon, ca. 1 mile west of Forks. Comment
  RSA0015836  Cyperus odoratus LeRoy Gross, Evan Meyer, Bart O Brien 2013-10-17 6214 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA616056  Cystopteris fragilis Scott D. White, Brain Leatherman 1997-1-21 6059 Los Angeles NW San Gabriel Mountains, Santa Clara River Watershed: Pole Canyon, above existing quarry (site proposed for expanded mining operations). 579 Comment
  RSA693734  Cystopteris fragilis M. B. Dunkle 1933-6-17 3603 Los Angeles San Antonio Canyon. 915 Comment
  UCR273566  Cystopteris fragilis R. G. Swinney 2011-6-15 15182 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UC1922146  Cytisus scoparius LeRoy Gross, Valentin Arvizu 2006-5-31 2471 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Forest Service road surveys; Along Magic Mountain Road (4N46) east of Magic Mountain, but before Roads (3N17.7 & 3N17.6). Along the Santa Clara ridge. Near but east of 34.38652N, 118.32904W. 1402 Comment
  CAS-BOT-BC198208  Cytisus striatus R. E. Riefner, Jr. 2006-6-12 06 -239 Los Angeles East of Sunland Verdugo Mountains, north side of 210 Freeway c. 0.6 mi. west of La Tuna Canyon Rd. intersection - Transverse Range 474 Comment
  CAS-BOT-BC190454  Dactylis glomerata Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6951 Los Angeles Santa Catalina Island. West end of island beyond the isthmus, on main east-west ridgetop ca. 615 m east of Granite Triangulation Point and 620 m west northwest of Oak Triangle Point. 487 Comment
  UCR190877  Dactylis glomerata R. G. Swinney, Dave Larson 1999-6-12 7544 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  JEPS45732  Datisca glomerata Frank W. Peirson 1918-7-13 122 Los Angeles Santa Anita Canyon; San Gabriel Mountains, Santa Anita Canyon 762 Comment
  POM3172  Datisca glomerata A. J. Cook s.n. Los Angeles Coals Canyon 396 Comment
  UCSC000703  Datura stramonium var. stramonium Louis C. Wheeler 1932-8-17 1138 Los Angeles 2 mi. N Claremont. Sandy soil in Citrus grove Claremont, Citrus grove 411 Comment
  RSA421877  Datura wrightii D. S. Krause 1939-07 s.n. Los Angeles Hillsides above La Canada Comment
  RSA725418  Datura wrightii K. Dobry 1991-5-13 513 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA347518  Daucus pusillus B. A. Prigge 1986-3-19 6929 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  UC1211126  Deinandra clementina Huron H. Smith 1912-5-31 5055 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  SD237329  Deinandra minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 1 Los Angeles Western Transverse Range: east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetary. 321 Comment
  UCR223510  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA15337  Delphinium parryi Carl B. Wolf 1926-04 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA398711  Delphinium parryi M. B. Dunkle 1928-5-13 s.n. Los Angeles Santa Catalina Island along Coach Road. Comment
  CAS-BOT-BC116276  Delphinium parryi subsp. parryi George B. Grant 1901-5-18 s.n. Los Angeles Los Angeles Comment
  CATA229  Delphinium parryi subsp. parryi Mark L. Hoefs, A. Douglas Propst 1973-5-4 222 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  RSA547427  Delphinium parryi subsp. parryi Tim S. Ross 1992-5-17 6353 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, 164 degrees SSE, ca. 55 meters distance from mouth of Shoemaker Canyon 659 Comment
  CAS-BOT-BC116394  Delphinium patens subsp. hepaticoideum LeRoy Abrams 1901-4-11 1474 Los Angeles Santa Monica Canyon, Santa Monica Mts. Comment
  RSA400034  Delphinium patens subsp. hepaticoideum Albert J. Perkins 1913-5-25 s.n. Los Angeles Santa Anita Canyon. Comment
  UC854193  Delphinium patens subsp. hepaticoideum I. W. Clokey and E. G. Anderson 1935-5-9 6621 Los Angeles San Dimas Canyon Comment
  RSA0030041  Delphinium patens subsp. montanum R. G. Swinney 1998-7-2 6264 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  SBBG125221  Delphinium patens subsp. montanum A. Parikh, N. Gale 2010-6-29 3372 Los Angeles Upper Glen Cyn, 0.5 km N of Monrovia Peak, just S of Rincon Red Box Rd 1460 Comment
  RSA0029731  Delphinium patens subsp. montanum Robert F. Thorne, C. W. Tilforth 1971-6-30 40754 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  UC855069  Dendromecon harfordii F. R. Fosberg 1931-5-21 S 4933 Los Angeles between Cherry Valley and Howland's Landing (bottom of small canyon below road); Santa Catalina Island 20 Comment
  IRVC26286  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  SEINET5339600  Dendromecon rigida Pupils s.n. Los Angeles Los Angeles. Comment
  POM158256  Dendromecon rigida subsp. rhamnoides M. B. Dunkle 1928-5-20 1963 Los Angeles Head of Swain's Canyon, Santa Catalina Island. 396 Comment
  POM9758  Dendromecon rigida subsp. rigida P. A. Munz 1921-4-24 4428 Los Angeles Near Oak Flats on Ridge Road to Bakersfield. 915 Comment
  UC10802  Descurainia pinnata subsp. menziesii W. H. Brewer Feb 1861 163 Los Angeles near San Gabriel (Pt. Michael); Pt. Michael Comment
  RSA161201  Descurainia pinnata subsp. menziesii P. H. Raven 1962-3-27 16997 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  UC10804  Descurainia pinnata subsp. menziesii W. H. Brewer Feb 1861 Los Angeles Scorpion Hills Comment
  RSA433589  Dicentra chrysantha Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  UCD95522  Dicentra formosa Orlando Mistretta 1976-5-15 19 Los Angeles 5.5 miles N of Compton on Highway 49. 914 Comment
  UC421861  Dichelostemma capitatum George B. Grant Apr 21 1904-Apr 26 1904 119 /6148 Los Angeles Santa Catalina Island Comment
  UC557648  Dichelostemma capitatum Nell Murbarger 1936-3-1 87 Los Angeles e side San Clemente Island Comment
  UCR277393  Dichelostemma capitatum R. G. Swinney 2010-6-1 13163 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CAS-BOT-BC499439  Dichelostemma capitatum Reid Moran 1941-3-11 699 Los Angeles Ridge north of Middle Ranch, Santa Catalina Island Comment
  UCSB781  Dichelostemma capitatum Gill, Robert 1959-3-15 Los Angeles North end of Mills Ave, Claremont 487 Comment
  SD139375  Dichelostemma capitatum subsp. capitatum Jon P. Rebman, Jonathan Dunn 1996-4-29 3115 Los Angeles San Clemente Island, Eel Cove and Eel Cove Canyon, on west side of island. In rocky canyon above wash. (IPB 3/08) 24 Comment
  POM365110  Digitaria ischaemum Arthur Howe 1981-11-2 s.n. Los Angeles Loyola Marymount University campus grounds. Comment
  CAS-BOT-BC152897  Diplacus brevipes I. M. Johnston 1918-5-15 s.n. Los Angeles Claremont Comment
  SBBG15557  Diplacus fremontii W. G. Webb -Apr-1935 Los Angeles adjacent to Sunland Comment
  POM483  Dithyrea californica Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA461345  Dodecatheon clevelandii Ora M. Clark 1929-3-29 1797 Los Angeles East of Sandberg. Comment
  RSA276012  Dodecatheon clevelandii subsp. clevelandii Jack Delaini, Larry E. DeBuhr 1974-2-21 27 Los Angeles On high, grassy knoll near main stream of canyon 549 Comment
  SD112013  Dodecatheon clevelandii subsp. insulare Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island; canyon above Pebbly Beach Comment
  UC1586194  Drymocallis glandulosa Tim Ross 1991-8-16 5813 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat Quad., Horse Flats 1719 Comment
  RSA747685  Drymocallis glandulosa var. viscida R. G. Swinney 2001-8-27 8107 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
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Oct 25 2012
  LA200094  Dryopteris arguta Lawrence L. Kiefer; 1966-5-14 2026 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  RSA0105492  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  RSA693709  Dryopteris arguta M. B. Dunkle 1936-3-28 4711 Los Angeles Silverado Canyon, Santa Catalina Island. Comment
  UCD101873  Dudleya caespitosa Daryl Koutnik 1978-4-28 426 Los Angeles Point Dume near Zuma Beach. 45 Comment
  RSA588090  Dudleya cymosa subsp. pumila Orlando Mistretta 1994-5-25 1260 Los Angeles Little Rock Creek, near confluence of Little Rock Creek and S Fork of Little Rock Creek. 1280 Comment
  UCR263271  Dudleya cymosa subsp. pumila Anuja Parikh, Nathan Gale 2012-5-2 3575 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 0.6 km east of Cogswell Reservoir 685 Comment
  JEPS49946  Dudleya densiflora J. T. Howell 1928-6-12 Los Angeles Fish Canyon San Gabriel Mtns Comment
  RSA149809  Dudleya lanceolata Wesley O. Griesel 1961-6-8 s.n. Los Angeles State Highway #2 near La Canada 610 Comment
  RSA83324  Dudleya lanceolata F. W. Peirson s.n. Los Angeles Altadena. Comment
  LA204788  Dudleya multicaulis Louis Wheeler; 1932-5-8 695 Los Angeles San Jose Hills, Puddingstone Dam 304 Comment
  RSA486369  Dudleya multicaulis L. T. Street 1915-5-15 2794 Los Angeles Puddingstone Canyon Comment
  SD82939  Dudleya multicaulis C. W. Tilforth 1971-5-30 381 Los Angeles Johnson's Pastures; hills north of Claraboya, Claremont. Comment
  RSA729787  Dudleya saxosa R. G. Swinney 1998-6-12 6967 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
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May 25 2011
  UC557628  Dudleya virens Nell Murbarger 1936-3 95 Los Angeles e side San Clemente Island (ocean cliffs) Comment
  SD46366  Dysphania botrys D. F. Howe 1956-7-1 Los Angeles Tujunga Canyon Comment
  POM365252  Echinochloa crus-galli H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  RSA582041  Echinochloa crus-galli L. C. Wheeler 1931-9-11 134 Los Angeles 2 mi. NE La Verne 373 Comment
  RSA600809  Echinochloa crus-pavonis L. C. Wheeler 1966-11-23 9154 Los Angeles San Gabriel Mountains. Between head of Morris Reservoir and San Gabriel Dam. Comment
  RSA0091499  Eclipta prostrata R. G. Swinney 2010-6-29 13377 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA631384  Ehrharta calycina Valerie L. Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. 868 Comment
  CDA29082  Ehrharta erecta Michael O Brien 2009-1-18 s.n. Los Angeles La Piedra State Beach. 0 Comment
  UCR229524  Ehrharta erecta Dan S. Cooper 2011-2-21 211- 34 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC227185  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente / Chino Hills: SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights 335 Comment
  UCR182749  Elaeagnus angustifolia R. G. Swinney 1997-6-19 5628 Los Angeles San Gabriel Mtns., Big Pines Hwy, c. 0.25 mi. east of Appletree Campground, west of Wrightwood 1896 Comment
  CAS-BOT-BC113286  Eleocharis parishii Robert F. Thorne; J. Dourley 1967-10-10 37338 Los Angeles San Gabriel Mts, Angels Natl Forest: Jackson Lake, NW end of lake on low, dry bank. 1866 Comment
  SEINET7586932 Image available Eleocharis parishii Louis C. Wheeler 1946-8-28 6296 Los Angeles San Gabriel Mountains, Caldwell Lake. 1570 Comment
  RSA653379  Eleocharis radicans LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 271 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  UCR162638  Eleocharis rostellata Anuja Parikh, Nathan Gale 2004-6-17 2051 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  CATA317  Elymus condensatus Mark L. Hoefs, A. Douglas Propst 1973-6-5 344 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  UCR180185  Elymus condensatus R. G. Swinney 1967-6-25 159 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 Comment
  RSA225893  Elymus elymoides subsp. californicus R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41073 Los Angeles San Gabriel Mountains, Angeles National Forest: saddle ridge between West Baldy and Old Baldy. 3003 Comment
  SBBG77100  Elymus glaucus F. R. Fosberg 1931-4-14 4610 Los Angeles Middle Ranch Cyn 180 Comment
  RSA226225  Elymus glaucus subsp. glaucus Gary D. Cromwell, David W. Wheat 1971-5-14 654 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest, two miles NE of Glendora 396 Comment
  RSA584866  Elymus glaucus subsp. glaucus Timothy S. Ross, Steve Boyd 1990-6-4 2803 Los Angeles East-West ridge ca 1400 m N of MT GLEASON: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon 1549 Comment
  RSA600557  Elymus glaucus subsp. glaucus L. C. Wheeler 1954-9-1 7073 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA0106851  Elymus glaucus subsp. virescens R. G. Swinney 2011-7-29 15578 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  CATA3161  Elymus triticoides Amy Catalano 2016-5-25 132 Los Angeles Santa Catalina Island: Short spur road at sharp turn at south end of Big Springs Road 63 Comment
  RSA598582  Emmenanthe penduliflora Louis C. Wheeler 1967-5-24 9716 Los Angeles San Gabriel Mountains. Indian Canyon Campground 823 Comment
  UC457216  Emmenanthe penduliflora Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  UCR259915  Emmenanthe penduliflora R. G. Swinney 2010-3-16 11944 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
  RSA533467  Emmenanthe penduliflora Tim S. Ross 1991-4-21 4557 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridgetop on N side of Turnbull Canyon. 294 Comment
  RSA654014  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Laura Moore 2000-5-10 848 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  SBBG121262  Emmenanthe penduliflora var. penduliflora V. Soza, L. Moore 2000-5-10 848 Los Angeles Verdugo Crestline Dr, N of La Tuna Cyn and S of Pasko Park; fire rd S of Verdugo Crestline Dr from fire gate to power lines, W of peak 0'1936" 563 Comment
  SD90302  Encelia actoni Robert F. Thorne, C. W. Tilforth, et al 1972-6-29 42103 Los Angeles San Gabriel Mountains, 2 miles southeast of Valyermo on road from Jackson Lake. 1435 Comment
  UCR126581  Encelia actoni A. C. Sanders 2003-4-17 26064 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  CATA2890  Encelia californica Sara L. Crockett, Michael Daligdig 1996-11-11 53 Los Angeles Santa Catalina Island: Buffalo Nickel Restaurant, garden between restaurant and Island Express helicopter service 4 Comment
  LA106700  Encelia californica Timothy Ross; 1991-3-24 4314 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  POM356643  Encelia californica M. B. Dunkle 1939-4-5 7280 Los Angeles Pyramid Cove, San Clemente Island. Comment
  SD126156  Encelia californica F. R. Fosberg 1931-3-18 S 4290 Los Angeles Hamilton Canyon, Santa Catalin Island. Comment
  SFV3868  Encelia californica K. A. Wilson 1961-3-16 1033 Los Angeles Santa Monica Mountains Point Dume. Summit of Birdview and Cliffside Drive. Sandy field. 38 Comment
  LA6795  Ephedra nevadensis Carl Epling; M. Epling May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA0068300  Ephedra nevadensis R. G. Swinney 2010-5-12 12770 Los Angeles Carr Canyon above Mt. Emma Rd. crossing, 0.6 miles east of Littlerock Creek confluence with Carr Cyn. 945 Comment
  RSA595942  Ephedra nevadensis L. C. Wheeler 1967-5-12 9416 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SBBG56458  Ephedra nevadensis R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  UCSB258  Ephedra nevadensis Bobkowski, Jr., Vincent 1960-5-13 Los Angeles 1 mile west of Pear Blossom, California; on California Highway 138 under High Power lines Comment
  RSA249745  Ephedra viridis Robert F. Thorne 1973-5-11 43499 Los Angeles Bob s Gap, Holcomb Ridge. 1220 Comment
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Jan 19 2017
  RSA594953  Ephedra viridis T. S. Ross 1995-4-26 8385 Los Angeles LIEBRE GULCH: along Forest Service Road 8N05 descending into the gulch from the Tumble Inn (site) on the Old Ridge Route. 1024 Comment
  SFV311  Ephedra viridis K. A. Wilson 1961-4-29 1175 Los Angeles San Gabriel Mountains Devil's Punchbowl camp site. Two miles south of Valyermo._x000B_Sandy rocky wash. 1220 Comment
  RSA607561  Epidendrum obrienianum Louis C. Wheeler 1965-1-15 8651 Los Angeles Los Angeles: Kerckhoff Estate, University of Southern California, 734 W. Adams Blvd. Comment
  UCR192892  Epilobium R. G. Swinney 1999-8-16 7653 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR141591  Epilobium canum June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  UCR179277  Epilobium canum R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, north end of Big Dalton Dam 518 Comment
  RSA588443  Epilobium canum subsp. canum G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA591466  Epilobium canum subsp. canum Louis C. Wheeler 1966-10-12 8968 Los Angeles San Gabriel Mountains. Susanna Canyon, 1/4 mi. downstream from falls. 534 Comment
  UC557763  Epilobium canum subsp. canum Nell Murbarger April, 1936 11 Los Angeles San Clemente Island Comment
  POM8101  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1916-09 s.n. Los Angeles Eaton Canyon. San Gabriel Mtns Comment
  RSA0116571  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-30 13932 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA532828  Epilobium canum subsp. latifolium Tim S. Ross 1991-8-14 5787 Los Angeles San Gabriel Mts.: Pacifico Mtn Rd, .30 mile E of Lower Pacifico Campground Rd. 1934 Comment
  RSA586174  Epilobium canum subsp. latifolium Orlando Mistretta 1995-10-2 1941 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground. 1052 Comment
  RSA448502  Epilobium canum subsp. mexicanum F. H. Elmore 1939-11-24 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  UCR174532  Epilobium ciliatum Jennifer H. Jones 2006-5-17 306 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Just in front of Claremont Wilderness Park. N end of Mills Avenue 497 Comment
  UCR210236  Epilobium ciliatum R. G. Swinney 2008-10-22 9664 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA588349  Epilobium ciliatum subsp. ciliatum Geo. L. Moxley 1915-7-4 365 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCR202701  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202724  Epilobium glaberrimum R. G. Swinney, Cody Clarke 2001-8-22 8080 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA720601  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1997-7-23 5733 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  RSA0112761  Epipactis gigantea R. G. Swinney 2010-9-30 13905 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
  SEINET3890368  Epipactis gigantea Timothy S. Ross, Steve Boyd 1994-5-10 7708 Los Angeles Warm Springs Canyon: Spring (un-named, but marked on topo map) along Warm Springs - Fish Canyon Truck Trail (6N32); NNW of Warm Springs Mountain summit. Warm Springs Mountain 7.5' USGS Quadrangle.; 0 799 Comment
  SEINET3890463  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.; 0 Comment
  POM168753  Epipactis gigantea C. J. Pox 1903-05 s.n. Los Angeles Near Glendale Comment
  UCR107244  Equisetum laevigatum R. G. Swinney 1994-8-23 3225 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  CAS-BOT-BC57756  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  LA94031  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-5-7 1999 Los Angeles 30 Comment
  RSA84282A  Equisetum telmateia var. braunii F. W. Peirson 1920-4-25 8450 A Los Angeles Arroyo Seco, Pasadena 411 Comment
  IRVC28750  Eragrostis mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25534 Los Angeles Newhall Ranch, "Potrero Mesa," north of the mouth of Potrero Canyon, above the Santa Clara River NE end of Santa Susana Mtns. 366 Comment
  UCD63927  Eragrostis mexicana subsp. virescens E. M. Johnston 1915-1 Los Angeles Monrovia. Comment
  RSA187772  Eremocarpus setiger R. F. Thorne 1966-9-14 36655 Los Angeles Santa Catalina Island: behind Ben Weston Beach. 3 Comment
  POM2790  Eremocarpus setiger W. R. Shaw 1899-6-7 s.n. Los Angeles Claremont. 366 Comment
  SEINET8353723  Eremogone macradenia Unknown 1908-6-20 3357 Los Angeles Liebre Mtn. Comment
  SBBG69940  Eremogone macradenia var. macradenia R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SD234451  Eremothera boothii A. C. Sanders 2003-6-20 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur (Val Verde 7.5' Q) 305 Comment
  RSA0104860  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3889 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  UCR141732  Eriastrum densifolium subsp. densifolium L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mtns, East Fork of Alder Creek off Big Tujunga 1494 Comment
  SD234470  Eriastrum densifolium subsp. elongatum Mark S. Brunell 1993-7-14 134 Los Angeles San Gabriel Mtns.: Lower Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400 m N of western end of Wentworth St in ciry of Sunland (Sunland 7.5' Q) 377 Comment
  CAS-BOT-BC514448  Eriastrum eremicum subsp. eremicum A. D. E. Elmer 1902-6-1 4182 Los Angeles Lancaster Comment
  UC908542  Eriastrum pluriflorum Frank W. Peirson 1927-5-7 7268 Los Angeles 12 mi s Muroc Comment
  UC880229  Eriastrum sapphirinum Louis C. Wheeler 1932-6-16 827 Los Angeles 2 mi n Claremont 411 Comment
  RSA0122877  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 1997-6-12 5566 Los Angeles San Gabriel River Canyon north of Morris Dam, at private shore NE of dam. 426 Comment
  CAS-BOT-BC514974  Eriastrum sapphirinum subsp. dasyanthum Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon Comment
  CAS-BOT-BC514983  Eriastrum sapphirinum subsp. dasyanthum C. B. Wolf 1931-7-2 2262 Los Angeles Little Tujunga Wash, 0.5 mi above the bridge on the road from Sunland to San Fernando 335 Comment
  RSA0121261  Eriastrum sapphirinum subsp. dasyanthum C. F. Baker 1909-12-15 5239 Los Angeles Claremont. 365 Comment
  RSA0121266  Eriastrum sapphirinum subsp. dasyanthum C. F. Baker 1903-7-20 3345 Los Angeles Claremont. 365 Comment
  RSA0121297  Eriastrum sapphirinum subsp. dasyanthum J. H. Barber 1897-6-22 168 Los Angeles San Fernando Valley. Comment
  CAS-BOT-BC154059  Ericameria cooperi A. C. Sanders; Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA713240  Ericameria cooperi LeRoy Gross 2005-5-3 2229 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
  CAS-BOT-BC131686  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6312 Los Angeles Tejon Pass (near Kern Co. line) 1219 Comment
  RSA301962  Ericameria ericoides J. R. Shevock 1972-9-16 2280 Los Angeles Coastal bluffs, Point Dume 5 Comment
  UCR256447  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-9 13762 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC298887  Ericameria nauseosa var. bernardina Fordyce Grinnell, Jr. 1916-9-1 s.n. Los Angeles Eaton's Canyon, San Gabriel Mts, near Pasadena Comment
  CHSC36045  Ericameria nauseosa var. mohavensis James Henrickson 1972-11-2 8105 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Cyn. Rd. On ridges above fields. 365 Comment
  UCR265500  Ericameria palmeri Dan S. Cooper 2015-5-13 515- 46 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  POM359436  Ericameria palmeri var. pachylepis Blanche Trask 1900-10 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR143332  Ericameria parishii Anstruther Davidson 1916-1 3146 Los Angeles San Gabriel Mtns, La Crescenta [between Verdugo Mtns and San Gabriel Mtns] 610 Comment
  UCR271301  Ericameria parishii R. G. Swinney 2011-10-10 15749 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  CAS-BOT-BC131650  Ericameria parishii var. parishii F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC131665  Ericameria parishii var. parishii F. Grinnell 1908-9-1 s.n. Los Angeles Mt. Wilson 1676 Comment
  JEPS19229  Ericameria parishii var. parishii J. C. Aven 1930-10-7 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon Comment
  RSA653524  Ericameria pinifolia LeRoy Gross, Valerie L. Soza, Neil Gilbert 2000-10-18 285 Los Angeles Verdugo Mountains: Verdugo Mountainway west of Hostetter Mountainway. 914 Comment
  SEINET6066358  Erigeron Unknown 9025 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  SBBG51701  Erigeron bonariensis M. R. Benedict 1971-6-25 Los Angeles Wilson Cove Comment
  UCR193608  Erigeron breweri R. G. Swinney 1999-6-28 7454 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  RSA774606  Erigeron foliosus R. G. Swinney 2009-7-29 11413 Los Angeles Pacifico Mountain summit 2134 Comment
  SEINET4044451 Image available Erigeron foliosus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  CAS-BOT-BC296190  Erigeron foliosus var. foliosus Geo. L. Moxley; Grinnell 1916-6-15 480 Los Angeles Santa Susanna Mts. Comment
  RSA522331  Erigeron foliosus var. foliosus Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4032 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
  SFV4823  Eriodictyon crassifolium F. L. McPherson 1959-4-21 s. n. Los Angeles San Gabriel Mountains Soledad Canyon. Soledad Public Campgrounds. 518 Comment
  RSA0091348  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-12 14706 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA0094359  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SBBG17023  Eriodictyon crassifolium var. nigrescens K. A. Wilson 1962-5-10 1265 Los Angeles Placerita Cyn Rd, ca. 2 mi E of Hwy 6 Comment
  CAS-BOT-BC188957  Eriodictyon parryi John Thomas Howell 1931-6-6 6671 Los Angeles Sandberg's, Ridge Route Comment
  RSA0101279  Eriodictyon parryi R. G. Swinney 2011-6-22 15265 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
  CAS-BOT-BC188087  Eriodictyon traskiae Lester Rowntree 1938-3-18 s.n. Los Angeles Catalina Comment
  RSA455103  Eriodictyon traskiae F. R. Fosberg 1931-5-6 4795 Los Angeles Cape Canyon. Santa Catalina Island. 240 Comment
  UCR255761  Eriodictyon trichocalyx R. G. Swinney 2010-5-12 12702 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
  HSC35877  Eriogonum angulosum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2171 Los Angeles Beside Hwy. 5 just W of junction with Hwy. 138 Comment
  RSA766418  Eriogonum baileyi Joseph A. Ewan 1936-8-5 9953 Los Angeles Mescal Creek 1372 Comment
  CAS-BOT-BC241897  Eriogonum cinereum Noel H. Holmgren; James L. Reveal 1966-5-31 2616 Los Angeles California 1, about 10 miles west of Malibu Comment
  POM214308  Eriogonum cinereum Louis C. Wheeler 1931-11-11 344 Los Angeles Topanga Canyon, Santa Monica Mountains 305 Comment
  RSA766379  Eriogonum cinereum C. Epling 1931-5-2 5988 Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  SBBG125876  Eriogonum covilleanum A. Parikh, N. Gale 2010-6-2 3261 Los Angeles Sierra Pelona, 2 km W of State Hwy 14, 0.5 km S of Avenue S; E Liebre Mtns 935 Comment
  LA34233  Eriogonum elongatum var. elongatum Peter H. Raven; 1959-9-27 14505 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  CAS-BOT-BC249769  Eriogonum elongatum var. elongatum Frank W. Peirson 1924-12-5 5385 Los Angeles Along rail at many points from here down; Little Santa Anita Trail, San Gabriel Mts. Comment
  UCR186600  Eriogonum fasciculatum subsp. polifolium T. B. Salvato, Sarah Flack 2007-8-8 3042 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  JEPS56974  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1931-8-11 Los Angeles Thompson Creek 376 Comment
  RSA393415  Eriogonum fasciculatum var. foliolosum Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  SBBG22230  Eriogonum fasciculatum var. foliolosum M. A. Piehl 1959-7-28 59464 Los Angeles 12 mi N of Castaic along US 99 near Frenchman Flats Cmpgrd Comment
  UCSB27667  Eriogonum fasciculatum var. foliolosum Lavinger, S. 1975-10-6 Los Angeles Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station. San Gabriel Mountains 762 Comment
  UC1595259  Eriogonum fasciculatum var. polifolium Tim Ross, Peter Fritsch 1990-6-20 3627 Los Angeles mouth of Burro Canyon near confluence of the E and W forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UCSB18459  Eriogonum fasciculatum var. polifolium Hurst, Linda 1963-2-26 Los Angeles N Kenter Road; 3 miles N of Sunset Blvd; 10 miles E of U.S. Highway 101 548 Comment
  UC1765236  Eriogonum giganteum A. C. Sanders 1988-5-18 7850 Los Angeles El Segundo Dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. From subsite 9 near the 15 border Comment
  UC72023  Eriogonum gracile Miss E. D. Palmer 1904-10-5 Los Angeles Highland Park Los Angeles, Highland Park Comment
  RSA615862  Eriogonum gracile var. gracile Scott D. White 1995-10-19 3697 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR127669  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Santa Clarita Valley, Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River 305 Comment
  POM2260  Eriogonum gracillimum W. R. Dudley, F. H. Lamb 1896-6-8 4326 Los Angeles Lancaster. Comment
  NY43146  Eriogonum grande J. B. Walker 1995-6-5 1426 Los Angeles Santa Catalina Island, S end of White's Landing 3 Comment
  RSA393215  Eriogonum grande var. grande F. R. Fosberg 1931-7-16 S 5608 Los Angeles Avalon. Santa Catalina Island. 5 Comment
  RSA755827  Eriogonum heermannii R. G. Swinney 2008-10-7 9484 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA65089  Eriogonum hirtiflorum F. W. Peirson 1921-6-15 2452 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  SBBG125470  Eriogonum hirtiflorum A. Parikh, N. Gale 2010-6-18 3339 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  UCR238646  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3339 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  RSA766473  Eriogonum kennedyi var. alpigenum Joseph A. Ewan 1934-8-7 8375 Los Angeles North of north Baldy, east slope Throop peak 2668 Comment
  UC1584890  Eriogonum nudum var. pauciflorum Tim Ross, Steve Boyd 1991-7-24 5621 Los Angeles ridge nne Granite Mountain; Pacifico Mountain USGS 7.5' quad 1865 Comment
  UCR173887  Eriogonum nudum var. westonii Scott D. White 2004-8-11 10703 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  RSA0092487  Eriogonum parishii R. G. Swinney 2010-9-7 13708 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR281394  Eriogonum plumatella R. G. Swinney 2014-4-24 16214 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
  RSA713093  Eriogonum pusillum LeRoy Gross 2005-5-3 2234 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
  RSA697027  Eriogonum roseum LeRoy Gross, P. Morton 2004-6-9 1343 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  UC1871264  Eriogonum roseum T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3869 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  RSA164813  Eriogonum saxatile Wesley O. Griesel 1963-7-17 842 Los Angeles Devil's Backbone, San Gabriel Mts 2744 Comment
  RSA766273  Eriogonum saxatile Joseph A. Ewan 1936-8-13 10037 Los Angeles On east and south side of summit area. Baldy Notch 2835 Comment
  SBBG1442  Eriogonum thurberi H. and M. Dearing 1940-6-9 4358 Los Angeles Tujunga Wash Comment
  POM48840  Eriogonum thurberi Stephen Grout, Stephen Grout 1902-05 s.n. Los Angeles Downey. Comment
  UCR20215  Eriogonum umbellatum var. minus T. P. Krantz 1979-9-14 s.n. Los Angeles San Gabriel Mountains, Mt. Islip 2500 Comment
  RSA573712  Eriogonum umbellatum var. munzii Tim S. Ross 1990-8-17 3132 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  UC1871273  Eriogonum umbellatum var. munzii T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3947 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
  UCD84642  Eriogonum wrightii var. membranaceum D. L. Koutnik; William Balch, Mary Barbercheck, Debra Koutnik 1981-12-22 s.n. Los Angeles Along fireroad to Castro Peak, Santa Monica Mountains. Comment
  CAS-BOT-BC297955  Eriophyllum confertiflorum Peter H. Raven; Robert F. Thorne 1964-5-7 18996 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts Comment
  CAS-BOT-BC297960  Eriophyllum confertiflorum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  POM357917  Eriophyllum confertiflorum L. S. Rose 1934-12-31 34535 Los Angeles Griffith Park. Comment
  RSA654182  Eriophyllum confertiflorum Marilyn Porter 1991-5-19 30 Los Angeles Upland at San Bernardino County line south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 671 Comment
  UCR277213  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12933 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  LA26015  Eriophyllum confertiflorum var. confertiflorum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  UC1211108  Eriophyllum confertiflorum var. confertiflorum Huron H. Smith 1912-5-1 4889 Los Angeles Eagle Rock Valley 152 Comment
  UCR271579  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-6-23 15290 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA526572  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4280 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  CAS-BOT-BC296964  Eriophyllum wallacei Alice Eastwood 1906-5-27 260 Los Angeles Roscoe. Country adjacent to Los Angeles Comment
  RSA630311  Eriophyllum wallacei L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UC1250450  Eriophyllum wallacei Isabelle Tavares and Valera Brinson 1962-4-16 272 Los Angeles near: 2.7 mi e of Hwy 6 on highway connecting with Angeles Crest Highway (Hwy 2) Palmdale Comment
  OBI70740  Erodium botrys Louis C. Wheeler 1947-4-27 6471 Los Angeles Arcadia: Woodward Ave between Santa Anita Ave and Oakwood Dr Comment
  RSA629714  Erodium botrys Louis C. Wheeler 1947-4-27 6472 Los Angeles San Gabriel Mountains; Kinneloa Canyon. Comment
  RSA391812  Erodium cicutarium E. A. McGregor 1964-4-28 s.n. Los Angeles Soledad. Comment
  RSA763511  Erodium cicutarium R. G. Swinney 2008-11-30 9875 Los Angeles Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  UCR260011  Erodium cicutarium R. G. Swinney 2010-5-7 12607 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  UC1971455  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles SAN GABRIEL MOUNTAINS: Ridgetop east southeast of Fremont Pass. Comment
  UCSB10224  Erodium cicutarium Garrett, S. 1956-4-13 Los Angeles On sandy desert at foot of Mtns; l6 mi E. of Little Rock & 6 mi. from Llano Comment
  LA204347  Erysimum capitatum var. capitatum Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA600346  Erysimum capitatum var. capitatum Steve Boyd, Lauren Raz 1997-3-26 9384 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  UCSB10649  Erysimum capitatum var. capitatum Lloyd, Robert 1959-3-4 Los Angeles 1/2 mile south of dam in San Dimas Canyon, stream bed on west side of San Dimas Canyon Road; San Gabriel Mt. Range; Pacific Ocean drainage area 365 Comment
  RSA530234  Erysimum suffrutescens Ruth E. Hammond 1929-02 279 Los Angeles El Segundo Comment
  SBBG95390  Erythranthe cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Cyn Comment
  CAS-BOT-BC402731  Eschscholzia caespitosa C. F. Baker 1904-4-22 4180 Los Angeles Monrovia Comment
  LA91407  Eschscholzia caespitosa Bruce Douglas Clayton; Greg Shaw 1972-3-16 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, E side of road near turn-out 594 Comment
  POM9281  Eschscholzia caespitosa P. A. Munz, R. D. Harwood 1920-4-21 3693 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  RSA433676  Eschscholzia californica Richard C. Barkelew 1929-4-14 s.n. Los Angeles Mulholland Hwy Comment
  OBI30189  Eschscholzia californica Bruce H. Lewis 1970-4-11 s.n. Los Angeles In the San Dimas Experimental forest 975 Comment
  RSA433660  Eschscholzia californica Elbert Benjamine 1929-3-15 74 Los Angeles San Clemente Island. Pasture land. Comment
  RSA482504  Eschscholzia californica subsp. californica Richard Noyes, L. Arnseth 1988-4-30 542 Los Angeles Claremont. Foothills of San Gabriel Mountains. North facing slope of Thompson Creek Dam. 500 Comment
  CAS-BOT-BC5928  Eschscholzia minutiflora Samuel Bonsal Parish 1887-6-1 1951 Los Angeles Alpine Comment
  RSA611660  Eschscholzia minutiflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10090 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  RSA771897  Eschscholzia minutiflora R. G. Swinney 2009-4-29 10621 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA652844  Eucrypta chrysanthemifolia Roxanne Smith 1991-5-5 13 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/4 mile north of intersectionof Clear Creek Canyon Drive & Steep Canyon Road. Comment
  RSA420828  Eucrypta chrysanthemifolia Richard Kirtland 1928-3-28 14745 Los Angeles Palos Verdes Hills. Comment
  UCSB5231  Eucrypta chrysanthemifolia Kraebel, C. 1932-6-4 Los Angeles San Dimas Canyon; SRE plots; Angeles forest Comment
  SFV21383  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 43 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  UC535357  Eulobus californicus Ira W. Clokey, B. Templeton Apr. 1929 4459 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  SEINET6068915  Eulobus californicus Unknown 1968-3-19 Los Angeles Encinal Canyon, ca 1.5 mi west of Mulholland Highway. Comment
  UCD107072  Eulobus californicus Daryl Koutnik; Vickie Dawes 1978-5-12 484 Los Angeles Arroyo Sequit along Mulholland Highway. 609 Comment
  UCD142536  Euphorbia albomarginata Geoffrey Levin 1975-5-17 520 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  UCR149471  Euphorbia albomarginata Valerie Soza, L. Moore 2000-5-30 968 Los Angeles Transverse Range; Liebre Mountains, San Franisquito Canyon, at Los Angeles Dept. of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, west of San Francisquito Canyon Road 488 Comment
  UCR271245  Euphorbia albomarginata R. G. Swinney 2011-4-20 14468 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  POM2801  Euphorbia crenulata W. R. Shaw 1900-4-4 s.n. Los Angeles Live Oak Canyon Comment
  UCR91992  Euphorbia dendroides D. L. Koutnik 1996-4-20 s.n. Los Angeles San Gabriel Mtns., foothills above Pasadena, side canyon of Eaton Wash along New York Drive, 0.25 mi. north of Sierra Madre Blvd. 300 Comment
  SD124827  Euphorbia maculata A. C. Sanders 1986-7-30 6810 Los Angeles El Segundo Dunes, immediately west of L.A. International Airport & Pershing Dr., east of Vista de Mar Blvd., coastal dunes formerly largely occupied by residential neighborhoods where houses were removed ca. 15 years ago, growing from a pavement crack 29 Comment
  IRVC28983  Euphorbia polycarpa A. C. Sanders 2003-6-19 26970 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA598931  Euphorbia terracina Scott D. White 1997-3-12 4750 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  UCR56591  Euphorbia terracina A. C. Sanders 1988-5-18 7832 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CAS-BOT-BC458297  Euthamia occidentalis Peter H. Raven; Henry J. Thompson 1959-10-18 14658 Los Angeles Santa Monica Mountains, at mouth of Topanga Canyon 0000000000000000000000000000000000000 4 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
  UCR240292  Euthamia occidentalis R. G. Swinney 2009-11-18 11654 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA0051676  Feijoa sellowiana Jack Pepper 1953-4-10 s.n. Los Angeles Cheviot Hills. Comment
  SBBG32011  Festuca bromoides R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -173 Los Angeles lower Bullrush Cyn Comment
  SEINET13387050 Image available Festuca dertonensis R. G. Swinney 2011-1 14078 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  OBI69141  Festuca microstachys Steve Boyd, Lauren Raz 1997-3-26 9337 Los Angeles Liebre Mts Region: N base of Portal Ridge at the mouth of Myrick cyn, S edge of the Antelope Valley, S of Fairmont Reservoir. T7N R15W NE 1/4 sec 14 1000 Comment
  LA33400  Festuca pratensis R. L. Armacost; 1957-6-12 869 Los Angeles near S Cloverfield Blvd, Santa Monica Comment
  CAS-BOT-BC282536  Festuca trachyphylla Tim Ross; Walter Appleby 1993-5-14 7145 Los Angeles 220 m SSW of May Canyon Saddle and 380 m WNW of May Peak [3948], Western San Gabriel Mtns. 1112 Comment
  CAS-BOT-BC154072  Ficus rubiginosa A. C. Sanders; Lee Jones 2005-4-8 29373 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA574340  Filago californica R. G. Swinney 1994-5-7 2830 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  RSA602057  Filago californica Scott D. White 1997-5-7 5057 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  RSA731663  Filago californica F. R. Fosberg 1931-3-25 S- 4306 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 60 Comment
  SEINET3246132  Filago californica R. W. Swinney 2008-1 8572 Los Angeles Sam Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR155619  Filago californica A. C. Sanders, T. B. Salvato 2005-4-26 29699 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA549595  Filago californica Timothy S. Ross 1992-4-4 6061 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  RSA595988  Filago californica L. C. Wheeler 1967-5-8 9348 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  SEINET3080982 Image available Foeniculum vulgare Rand C. Isbell 1970-5-10 12 -b Los Angeles Palos Verdes Peninsula on Palos Verdes Drive at Hawthorne Blvd. 61 Comment
  POM18144  Forestiera pubescens P. A. Munz 1923-5-26 6835 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA464878  Forestiera pubescens G. R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  SD237525  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles San Gabriel Mtns.: Pinon Hills area, 0.7 miles west of 237 St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR223309  Forestiera pubescens R. G. Swinney 2009-5-20 10849 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  CAS-BOT-BC384176  Forestiera pubescens subsp. parvifolia Robert F. Thorne; J. P. Simon; J. Dourley; H. Caulfield 1970-5-1 39542 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1249 Comment
  CAS-BOT-BC52562  Frangula californica subsp. californica Peter H. Raven 1957-9-21 11355 Los Angeles near stream at Monte Nido Fire Station, Santa Monica Mts. Comment
  RSA0124090  Frangula californica subsp. californica Louis C. Wheeler 1967-7-18 10098 Los Angeles Yerba Buena Spring, Gold Creek of Little Tujunga [Canyon]. 1189 Comment
  CAS-BOT-BC53326  Frangula californica subsp. cuspidata Le Roy Abrams; E. A. McGregor 1908-7-2 621 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1676 Comment
  CAS-BOT-BC223744  Frankenia salina Dr. H. E. Hasse 1889-8-1 s.n. Los Angeles Santa Monica Comment
  UC303560  Frankenia salina Geo. B. Grant 1901-1 469 Los Angeles Redondo Comment
  UCR229501  Frankenia salina 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
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Mar 15 2016
  UCR177656  Fraxinus dipetala L. C. Wheeler 1932-6-18 835 Los Angeles San Gabriel Mountains, San Dimas Canyon 427 Comment
  LA49899  Fraxinus velutina R. L. Armacost; May 1963 sn Los Angeles 144 Comment
  OBI80788  Fraxinus velutina Luis Aguilar 2015-8-26 Los Angeles Peter Strauss Ranch, along Mulholland Hwy at northeast corner of the park. 230 Comment
  JEPS97755  Fremontodendron californicum subsp. californicum Annetta M. Carter, Arthur Carter 1935-9-13 992 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  RSA651751  Fremontodendron californicum subsp. californicum Diane T. Liggett 1981-5-25 21 Los Angeles San Dimas Experimental Forest, 45 kilometers east of Los Angeles, [San Gabriel Mountains]. 823 Comment
  CAS-BOT-BC130248  Fritillaria biflora John Thomas Howell 1928-3-2 3361 Los Angeles Vermont [Canon] Canyon, Griffith Park, Los Angeles Comment
  JEPS16306  Fritillaria pinetorum P. A. Munz 1922-5-30 5573 Los Angeles head of Swartout Valley (San Antonio Mountains); , Swartout Valley 2194 Comment
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Dec 13 2011
  RSA600834  Galinsoga parviflora var. parviflora L. C. Wheeler 1967-5-13 9529 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA0116813  Galium angustifolium R. G. Swinney 2011-6-7 15092 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
  UCR258922  Galium angustifolium R. G. Swinney 2010-5-7 12616 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  RSA188342  Galium angustifolium subsp. angustifolium Robert F. Thorne, M. Z. Thorne 1966-5-31 36433 Los Angeles Santa Catalina Island. Fern Canyon W of Orizaba Mt. 229 Comment
  SBBG118484  Galium angustifolium subsp. angustifolium O. Mistretta 1992-7-13 695 Los Angeles Los Pinetos Spring Cyn Trail Comment
  POM367681  Galium angustifolium subsp. angustifolium Marie Jensen 1931-7-10 16035 Los Angeles Griffith Park. Comment
  RSA660127  Galium angustifolium subsp. gabrielense Orlando Mistretta 1992-6-12 537 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  POM4420  Galium grande L. T. Street 1918-5-19 s.n. Los Angeles Mt. Wilson trail near Camp Ualtee Comment
  UCR159828  Galium grande Valerie Soza, Kent Hughes 1999-6-17 564 Los Angeles Transverse ranges; San Gabriel Mountains, Upper Winter Creek Trail 793 Comment
  LA50669  Galium nuttallii subsp. nuttallii Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG131925  Galium parisiense S. A. Junak 2000-5-19 SCa 1322 Los Angeles just W of rd, near Opuntia patch 316 Comment
  SBBG132297  Gambelia speciosa S. A. Junak, B. Collins 1991-4-25 SCI- 231 Los Angeles overlooking E side of island, Triangulation Point "Jack" 259 Comment
  RSA710758  Gamochaeta pensylvanica Valerie L. Soza, Bill Hogshead 2003-4-23 1639 Los Angeles Brand Park, Brand Canyon. 457 Comment
  SBBG113105  Gamochaeta ustulata S. A. Junak 1998-5-1 SCa 614 Los Angeles E side of Haypress Reservoir 384 Comment
  UCSB6568  Gamochaeta ustulata Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon, SRE plots; Angeles Forest Comment
  RSA392386  Garrya flavescens var. pallida Bonnie C. Templeton 1936-4-14 5639 Los Angeles North of Strawberry Peak. Comment
  RSA641382  Garrya veatchii Orlando Mistretta 1995-6-23 1825 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  RSA89604  Garrya veatchii R. M. Beeks 1951-6-12 192 Los Angeles Angeles Crest Hwy, San Gabriel Mts, 3 miles below Redbox. 915 Comment
  UC1122724  Garrya veatchii P. L. Johannsen 1934-1-30 258 Los Angeles 2-3 mi nw Saddle Peak; Calabasas Quad. 304 Comment
  UCR212839  Garrya veatchii Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1819 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel River main stem across from Morris Dam, north side of parking area 406 Comment
  UCR223487  Garrya veatchii R. G. Swinney 2009-6-8 11063 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
  RSA762522  Gayophytum R. G. Swinney 2008-7-24 9347 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  UCD170712  Gayophytum R. G. Swinney 2008-8-13 9384 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 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
  UCR272522  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-7 15432 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
  UCR124695  Gayophytum nuttallii B. C. Templeton 1932-6-1 4872 Los Angeles San Gabriel Mtns., Jackson Lake, Angeles National Forest 1930 Comment
  CATA1429  Genista monspessulana Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2590 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  SFV7523  Genista monspessulana T. Gordon, D. L. Koutnik, P. Collins, V. Padgett 1975-4-29 991 Los Angeles Santa Monica Mountains Temescal Canyon. 122 Comment
  RSA230740  Geranium californicum Robert F. Thorne, M. Z. Thorne 1969-7-9 38533 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  RSA681156  Geranium rotundifolium LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1065 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 550 Comment
  CDA20110  Geranium rotundifolium M. O'Brien 2003-4-13 MOB 11 -03 Los Angeles South Coast; Topanga State Park, near the headquarters compound. 0 Comment
  RSA0105757  Gilia R. G. Swinney 2011-6-7 15029 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
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Dec 7 2018
  RSA781423  Gilia angelensis Erika Gardner, Nancy Hamlett 2012-3-23 6 Los Angeles City of Claremont, Bernard Field Station. South end of station along Foothill Blvd. About 3 meters from the chain-link fence, inside the field station. 396 Comment
  UC1123799  Gilia angelensis A. D. Gifford 1935-3-15 472 Los Angeles 2 1/2 mi sw Red Mtn.; Tejon Quad., Angeles National Forest, sw of Red Mtn. Comment
  RSA771944  Gilia brecciarum subsp. brecciarum R. F. Thorne, C. W. Tilforth 1972-6-29 42088 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  SBBG124716  Gilia brecciarum subsp. brecciarum O. Mistretta with C. Mistretta 2008-4-30 2570 Los Angeles Liebre Mtns region, southern California Edison transmission line corridor (Segment 5, structure 2 per TRTP survey, 2008) in vicinity of Ritter Ridge, S side of Antelope Valley 1120 Comment
  UCR51003  Gilia brecciarum subsp. neglecta A. C. Sanders, E. J. Lawlor 1988-4-3 7739 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA0055773  Gilia capitata R. G. Swinney 2010-4-28 12391 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
  LA81932  Gilia capitata subsp. abrotanifolia O. H. Kappler; 1941-5-9 257 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope 182 Comment
  RSA470227  Gilia capitata subsp. abrotanifolia Gale Sphon 1959-5-10 338 Los Angeles About 3.5 miles west of Soledad Canyon turnoff on Highway 6, Mint Canyon. Comment
  RSA470248  Gilia capitata subsp. abrotanifolia Christopher Davidson 1973-3-26 1737 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  UCR271977  Gilia diegensis R. G. Swinney 2011-5-31 14890 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  RSA0115685  Gilia jacens A. C. Sanders 2008-4-11 34845 Los Angeles Transverse Range/Mojave Derert: hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM Pine 995 Comment
  RSA652599  Gilia latiflora Orville Armstrong 1949-5-1 s.n. Los Angeles 5 mi. south of Vincent 1067 Comment
  JEPS4126  Gilia latiflora subsp. davyi Ralph Hoffmann 1929-4-5 Los Angeles Palmdale Santa Barbara Region, Palmdale Comment
  POM145568  Gilia latiflora subsp. davyi L. R. Abrams 1927-4-30 11725 Los Angeles Head of Antelope Valley. Comment
  LA88522  Gilia latiflora subsp. davyi O. H. Kappler; 1945-4-20 735 Los Angeles near Gorman 1066 Comment
  RSA469399  Gilia latiflora subsp. davyi Frances Runyan 1973-4-14 s.n. Los Angeles On dirt road just out of Gorman. 1067 Comment
  UCR189386  Gilia leptantha subsp. transversa R. G. Swinney 1998-6-12 6183 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
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May 3 2012
  SBBG39912  Gilia minor W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  UCR151415  Gilia modocensis Steve Boyd, Valerie Soza 1998-4-28 10178 Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  PASA789  Gilia multicaulis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UC1602122  Gilia nevinii S. B. Parish 1885-4-1 Los Angeles San Clemente Island Comment
  UCR68924  Gilia nevinii Steve Boyd, L. Arnseth, T. S. Ross 1990-4-7 4262 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC402063  Gilia ochroleuca subsp. vivida Geo. B. Grant 1902-6-1 506 Los Angeles Summit Mt. Wilson Comment
  RSA0017176  Gilia ochroleuca subsp. vivida W. Wisura 1977-6-17 3676 Los Angeles Big Pine to Blue Ridge trail. Comment
  UCR190273  Gilia splendens R. G. Swinney 2000-6-25 7802 Los Angeles San Gabriel Mtns., ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Cyn. and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  SFV20975  Githopsis diffusa subsp. diffusa L. Gross 2003-5-29 947 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
  RSA91756  Gnaphalium californicum F. W. Peirson 1925-4-23 5808 Los Angeles San Gabriel River 305 Comment
  POM358812  Gnaphalium chilense F. R. Fosberg 1931-4-15 4622 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  UCR206138  Gnaphalium luteoalbum R. G. Swinney 2008-5-30 8915 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  RSA719755  Gnaphalium stramineum R. G. Swinney, Dave Larson 1996-7-17 5150 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA659075  Goodmania luteola L. Kelly, David J. Keil 1988-4-16 41 Los Angeles Antelope valley, ca. 2 mi W of hwy. 14 along hwy. 138. Comment
  RSA0110575  Grayia spinosa Richard G. Swinney 2011-4-19 14406 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
  UCR220215  Grayia spinosa R. G. Swinney 2009-4-2 10272 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  UCR117563  Grindelia camporum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 854 Comment
  RSA602447  Gutierrezia californica Scott D. White 1997-5-14 5130 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  CAS-BOT-BC302127  Gutierrezia sarothrae Peter H. Raven; Henry J. Thompson 1959-10-16 14655 Los Angeles At mouth of Boquet Canyon, 4.4 miles north of Sugus [Saugus] Comment
  SBBG62677  Gutierrezia sarothrae unknown 1928-8-26 Los Angeles Big Tujunga Wash Comment
  IRVC28719  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  CAS-BOT-BC308532  Hazardia cana Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4308 Los Angeles E side of island near Malo Point, first cyn S of Bryce Cyn., San Clemente Island Comment
  SBBG13789  Hazardia squarrosa var. grindelioides M. A. Piehl 1962-10-3 62505 Los Angeles N side of Ironwood Gully, E side of isthmus Comment
  UCR45203  Hedera helix A. C. Sanders 1986-7-30 6802 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA441777  Helianthemum scoparium L. E. Hoffman 1932-5-6 16306 Los Angeles Grizzly flats, San Gabriel Mts. Comment
  CAS-BOT-BC305422  Helianthus annuus Herman Knoche 1919-6-12 Series A, No. 794 Los Angeles Between Duarte and Glendora Comment
  SD90304  Helianthus annuus R. F. Thorne, M. Z. Thorne 1972-1-30 42171 Los Angeles San Gabriel Mountains; Johnson's Pastures and dow Gail Canyon, north of Claremont. 490 Comment
  RSA596067  Heliotropium curassavicum L. C. Wheeler 1946-8-28 6289 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  SBBG32107  Helminthotheca echioides R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -243 Los Angeles Little Harbor Comment
  RSA666512  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  POM211257  Hemizonia kelloggii L. C. Wheeler 1933-6-27 1888 Los Angeles Foothill Blvd, at Eaton Wash, Pasadena. 213 Comment
  LA34217  Hesperocnide tenella Peter H. Raven; 1959-5-9 14169 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR256228  Hesperoyucca whipplei R. G. Swinney 2010-6-4 13046 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  SBBG125226  Heterocodon rariflorum A. Parikh, N. Gale 2010-6-19 3349 Los Angeles Upper Big Tujunga Cyn, 1.0 km W of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1242 Comment
  RSA0072429  Heteromeles arbutifolia Scott D. White 1997-2-2 4657 Los Angeles San Dimas/Pomona area: Bonelli Regional Park. Just NW of Puddingstone Reservoir, S of San Dimas Ave., and E of the I-210 Freeway. 244 Comment
  UC557695  Heteromeles arbutifolia Nell Murbarger Apr 1936 120 Los Angeles San Clemente Island Comment
  UC860424  Heteromeles arbutifolia Ezra C. Knopf 314 Los Angeles Santa Catalina Island Comment
  UCR124399  Heteromeles arbutifolia B. C. Templeton 1929-11-19 1451 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  SD141298  Heteromeles arbutifolia var. macrocarpa Reid Moran 1958-9-16 6845 a Los Angeles San Clemente Island, Wash Rocky Canyon, 2 miles SE of Eel Point 120 Comment
  RSA0074414  Heterotheca grandiflora Anstruther Davidson 1999 Los Angeles Santa Monica. Comment
  RSA0074429  Heterotheca grandiflora Peter H. Raven 1962-5-8 17630 Los Angeles Dunes on western side 0.3 mile from the ocean, opposite Wilson cove, San Clemente Island. 12 Comment
  UC75411  Heterotheca sessiliflora subsp. fastigiata C. F. Baker 1903-8-2 3669 Los Angeles near Claremont; San Antonio Canon Comment
  CAS-BOT-BC48128  Heuchera elegans Fordyce Grinnell 1911-6-8 s.n. Los Angeles Mt. Wilson, San Gabriel Mts. - type station 1524 Comment
  UCR190005  Heuchera elegans R. G. Swinney 1998-6-16 6976 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  UCR70857  Heuchera elegans F. Grennell 1911-1 s.n. Los Angeles San Gabriel Mtns, High mountains (Mt. Wilson) 1795 Comment
  RSA0087293  Heuchera elegans J. Clemens 1922-5-30 s.n. Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  CAS-BOT-BC55361  Hirschfeldia incana Timothy S. Ross; Steve Boyd 1994-5-10 7743 Los Angeles Liebre Mountains. Warm Springs Canyon. NNE off the face of Warm Springs Mountain. 682 Comment
  RSA653770  Hirschfeldia incana J. Bogdanoff-Lord 1989-5-12 9 Los Angeles Angeles National Forest; 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UCR205710  Hoffmannseggia glauca A. C. Sanders, T. B. Salvato 2009-5-18 36807 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
  RSA792100  Holodiscus discolor Jane Tirrell, Shirley Imsand 2012-7-6 LS 0092 Los Angeles 50 ft. South of Pacific Crest Trail on ridge, approx 0.6 mi east of Windy Gap. 2507 Comment
  CAS-BOT-BC149959  Holodiscus discolor var. discolor Grant 1904-6-5 6275 Los Angeles Milland Canyon Comment
  CATA507  Hordeum intercedens Sara L. Crockett 1997-4-2 651 Los Angeles Santa Catalina Island: Clearing adjacent to point above Empire Landing Quarry site, 0.25 mile N of Empire Landing Road from point 2.4 miles W of jct. with Airport Road 240 Comment
  RSA251486  Hordeum intercedens R. F. Thorne 1973-4-12 42951 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  SBBG113058  Hordeum intercedens S. A. Junak 1998-5-1 SCa 596 Los Angeles small rise just NE of Airport Rd, just S of ridge with Whitney's Pk 426 Comment
  PASA640  Hordeum murinum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA0085030  Hordeum murinum R. G. Swinney 2010-6-21 13275 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR258589  Hordeum murinum R. G. Swinney 2010-4-23 12364 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA188143  Hordeum murinum subsp. glaucum R. F. Thorne 1966-4-4 35796 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA600182  Hordeum murinum subsp. glaucum L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  UCR141067  Hordeum murinum subsp. glaucum June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  SBBG59362  Hordeum murinum subsp. leporinum M. N. Ackley -Mar-1925 7 Los Angeles Eagle Rock 182 Comment
  UC2030084  Hornungia procumbens V. Soza, LeRoy Gross 2002-4-3 1382 Los Angeles Transverse Ranges, Liebre Mountains region: West side of Bouquet Canyon, canyon opposite Texas Canyon. Stable Fire 2001 area. Comment
  CAS-BOT-BC213017  Hosackia crassifolia Victor Duran 1933-7-8 3504 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  CAS-BOT-BC311943  Hulsea heterochroma W. R. Dudley 1900-7-9 s.n. Los Angeles Mt. Lowe Comment
  UCR276766  Hulsea heterochroma R. G. Swinney 2011-5-16 14742 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
  CAS-BOT-BC312601  Hulsea vestita subsp. gabrielensis Timothy S. Ross 1994-5-31 7976 Los Angeles San Gabriel Mountains. Pacifico Mountain: somewhat flat granitic ridgetop ca 860 m WNW of the 7124-ft summit 2081 Comment
  CAS-BOT-BC312622  Hulsea vestita subsp. vestita Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Hwy. 2 near Camp Valcrest, San Gabriel Mts. 1828 Comment
  UCD133387  Hypochaeris glabra Louis C. Wheeler 1967-6-16 9854 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  LA202295  Iris pseudacorus Arthur C. Gibson; 2005-5-14 5046 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, Cold Creek Preserve Comment
  JEPS30527  Isocoma menziesii var. sedoides Henry J. Thompson 1958-10-23 1814 Los Angeles above the beach Point Dume; Santa Monica Mountains 30 Comment
  OBI28468  Isocoma menziesii var. vernonioides J. & B. Sample, B. Sample 1981-8-15 5620 Los Angeles San Pedro W of Point Fermin Park Comment
  UCD133434  Isocoma menziesii var. vernonioides A. M. Johnson 1934-9-15 4535 Los Angeles Santa Monica Canyon, along Beverly (Sunset) Blvd., Santa Monica. Comment
  POM1382  Isolepis cernua I. M. Johnston 1917-6-14 1344 Los Angeles West of Pomona. Comment
  SEINET11983997  Isomeris arborea var. globosa D. P. Reagan 1974-1 23 Los Angeles 2 mi W of Gorman Comment
  UCSB31629  Iva axillaris Griesel, Wesley 1962-5-28 Los Angeles San Gabriel Mts.; on the road from Big Pines to Valyermo 1524 Comment
  SD132672  Jaumea carnosa F. R. Fosberg 1931-5-18 S 4895 Los Angeles Little Harbor, Santa Catalina Island. 3 Comment
  SBBG108994  Jepsonia malvifolia S. A. Junak 1996-10-1 SCl 691 Los Angeles E side of upper Horse Cyn, in southernmost of 2 small side cyns 499 Comment
  CAS-BOT-BC101897  Juglans californica Louis C. Wheeler 1932-4-2 549 Los Angeles Head Mandeville Canyon, Santa Monica Mts 487 Comment
  CAS-BOT-BC101906  Juglans californica Le Roy Abrams 1901-4-2 1243 Los Angeles Cahuenga Pass Comment
  UCR259134  Juglans californica R. G. Swinney 2010-5-4 12529 Los Angeles San Gabriel Mountains, 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
  UCR212821  Juglans californica var. californica Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1788 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon], along San Dimas Canyon Road below dam on east side of road in a draw 449 Comment
  RSA653418  Juglans regia Brad Henderson 2000-7-21 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon, above Glendora. Comment
  UCR150550  Juncus balticus R. G. Swinney 1999-6-21 7348 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR224020  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  IRVC26645  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles Foot of Holiday Hill Ski Lift. San Gabriel Mtns. 1997 Comment
  RSA596745  Juncus bufonius var. bufonius L. C. Wheeler 1966-9-6 8864 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  RSA0117700  Juncus bufonius var. congestus A. C. Sanders 2006-5-16 32332 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  RSA600307  Juncus bufonius var. occidentalis L. C. Wheeler 1961-6-9 7850 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Vetter Gulch. 1280 Comment
  RSA368347  Juncus bufonius var. occidentalis B. C. Templeton 1932-8-25 5087 Los Angeles Camp Cienega, Big Pines Park, San Gabriel Mountains. 2072 Comment
  RSA229184  Juncus macrophyllus Robert F. Thorne, C. W. Tilforth 1971-6-29 40705 Los Angeles at confluence 1371 Comment
  RSA250501  Juncus mexicanus Robert F. Thorne, John Dourley 1967-10-10 37336 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  RSA368230  Juncus mexicanus Ralph Hoffmann 1930-4-28 2335 Los Angeles Lancaster Comment
  RSA69858  Juncus mexicanus F. R. Fosberg, Joseph A. Ewan 1931-8-13 s.n. Los Angeles Big Cienega above Crystal Lake; N. Fork San Gabriel R. San Gabriel Mts. 1982 Comment
  RSA618986  Juncus rugulosus LeRoy Gross 1998-9-20 75 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  SD241646  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 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. (El Monte 7.5'Q) 67 Comment
  SEINET3863458 Image available Juniperus californica Timothy S. Ross, Steve Boyd 1994-9-20 8229 Los Angeles 2 miles NW of ACTON: Sandy wash, S side of intersection Escondido Cnayon Road & Red Rover Mine Road.; 0 884 Comment
  RSA659571  Keckiella cordifolia Brian McColgan 1988-5-20 28 Los Angeles Evey Canyon 1 mile N of Padua on Mt. Blady Rd. 915 Comment
  SBBG97015  Keckiella cordifolia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Bryce Cyn near Malo Pt Comment
  SFV10202  Keckiella cordifolia J. G. Cuti 1978-5-20 70 Los Angeles 0.5 miles off Santa Susana Pass Road on Box Canyon Road. In roadcut. Comment
Read comments
Sep 25 2014
  UC1302317  Keckiella cordifolia Robert F. Thorne and P. C. Everett 1964-2-7 33485 Los Angeles Middle Canyon; Santa Catalina Island 152 Comment
  SEINET13766509  Keckiella cordifolia G. B. Grant 1904-6-14 935 Los Angeles Monrovia Comment
  RSA295267  Keckiella ternata subsp. ternata R. S. Woglum 1937-7-17 842 Los Angeles Soldier Creek, upper San Gabriel River Canyon. 1372 Comment
  CAS-BOT-BC246112  Keckiella ternata var. ternata Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, n. Los Angeles Angeles Co. Comment
  UCR255949  Kickxia elatine Naomi Fraga 2014-4-2 s.n. Los Angeles Los Angeles Basin, Rancho Santa Ana Botanic Garden near pond and cultivar garden 396 Comment
  UCR223700  Koeleria macrantha R. G. Swinney 2009-6-24 11244 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA0103867  Kopsiopsis strobilacea I. M. Johnston 1917-7-4 1432 Los Angeles Slopes of Little Baldy. 2895 Comment
  UC1595462  Krascheninnikovia lanata Tim Ross 1992-4-4 6076 Los Angeles near s.w. base to summit Adobe Mt.; s.w. Mojave Desert, Adobe Mt. U.S.G.S. 7.5' topo, Adobe Mt. 926 Comment
  UCSB1690  Krascheninnikovia lanata Kamb, Peter 1948-5-6 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock 914 Comment
  RSA682300  Lactuca serriola R. E. Riefner 2000-8-29 00 -758 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
  SBBG108946  Lactuca serriola S. A. Junak 1996-9-29 SCl 683 Los Angeles Middle Ranch Cyn, ca. 0.3 mi downstream from upper rd crossing 396 Comment
  RSA188063  Lamarckia aurea R. F. Thorne 1966-4-4 35791 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA533929  Lamarckia aurea Timothy S. Ross, Orlando Mistretta, M. Hammit 1991-5-19 5228 Los Angeles San Clemente Island, southeast end of island; terrace 1650 ft WNW of Guds, graded by the Navy to form a 'pad' 201 Comment
  SBBG117935  Lamarckia aurea C. G. Pringle 1882-3-31 Los Angeles Los Angeles Comment
  SBBG128757  Lamarckia aurea M. L. Hoefs, R. Given 1992-4-16 1808 Los Angeles Wild Boar Gully 152 Comment
  SBBG95462  Lamarckia aurea M. B. Dunkle 1928-2-12 1702 Los Angeles Salta Verde 213 Comment
  SEINET13386953 Image available Lamarckia aurea R. G. Swinney 2010-1 12443 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 536 Comment
  UCR125481  Lamarckia aurea A. C. Sanders, Mark Elvin 2003-4-14 25953 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
  SEINET10598999  Lamarckia aurea Roland McKee 1920-5-12 McKee s.n. Los Angeles Los Angeles Comment
  SEINET13946470 Image available Lamium amplexicaule Scott D. White 1996-1 3818 Los Angeles Geneva Ave: N of San Jose, S of Arrow Hwy; W of Indian Hill, E of Towne. 34 deg. 5'N, 117 deg. 43.5'W. 1060 ft alt. 323 Comment
  UCD93263  Lantana Peter H. Raven 1959-3-1 13820 Los Angeles Santa Monica Mountains. Vermont Canyon. Griffith Park. 243 Comment
  CDA36208  Lantana montevidensis A. C. Sanders, T. B. Salvato 2009-5-19 36837 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. Working oil field with access roads and scattered pump pads. Comment
  SFV2010  Larrea tridentata P. G. Kilburn 1957-12-28 574 Los Angeles Mojave Desert Antelope Valley. About 2 miles south of Pearblossom. 1000 Comment
  SD90450  Lasthenia californica Robert F. Thorne, M. Z. Thorne 1973-2-12 42466 Los Angeles Santa Catalina Island; Blue Cavern Point. 60 Comment
  CAS-BOT-BC352718  Lasthenia coronaria A. Davidson 1892-5-1 s.n. Los Angeles Devil's Gate, Pasadena Comment
  RSA719495  Lasthenia gracilis Gary Kovnat, LeRoy Gross 2003-4-5 41 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  POM361502  Lasthenia gracilis M. Bisbee 1917-4-24 s.n. Los Angeles Low hills, e. Eagle Rock Comment
  UCSB10345  Lasthenia gracilis Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 miles E. of Rd. to Acton and 10 mi. E. of Los Angeles Forest Hwy. jct. 914 Comment
  UCR281772  Lathyrus vestitus subsp. alefeldii Mitch Provance, Scott Duff 2017-6-29 617- 73 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  RSA405686  Lathyrus vestitus subsp. laetiflorus Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon 1067 Comment
  SBBG13602  Lathyrus vestitus var. vestitus P. H. Raven 1962-5-10 17713 Los Angeles N of Thirst 335 Comment
  SD70399  Lathyrus vestitus var. vestitus Frank W. Peirson 1920-5-16 2137 Los Angeles San Gabriel Mountains, Tujunga 472 Comment
  RSA90280  Lathyrus vestitus var. vestitus F. W. Peirson 1920-5-16 2137 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 473 Comment
  SBBG8526  Layia glandulosa H. and M. Dearing 1930-4-15 2743 Los Angeles between Cajon Pass and Palmdale Comment
  CAS-BOT-BC380211  Layia platyglossa C. M. Millspaugh 1920-3-27 4877 Los Angeles Santa Catalina Island; Hay Press Comment
  POM305363  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-23 655 Los Angeles Los Angeles Comment
  CHSC112547  Lepechinia fragrans Scott D. White 2004-7-28 10662 Los Angeles San Gabriel Mountains; Clear Creek area. In and around 'The Pines: picnic area,immediately S of Angeles Forest Hwy, ca 0.5 mi W of jtn with Angeles Crest Hwy. 1013 Comment
  LA82026  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SD52156  Lepidium S. B. Parish 1908-6-5 Los Angeles Los Angeles Comment
  UCR187010  Lepidium dictyotum A. C. Sanders 2006-4-21 32156 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA658415  Lepidium didymum Patricia Kouo 1994-5-6 945219 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the West side of Rosemead Blvd , at the most south lake. Comment
  UCR59192  Lepidium lasiocarpum A. C. Sanders 1988-2-18 7691 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  UCR177277  Lepidium latifolium Scott D. White, Michael Honer 2003-5-7 9199 Los Angeles Santa Clarita area, South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway 366 Comment
  RSA429627  Lepidium nitidum F. R. Fosberg 1931-4-15 4638 Los Angeles Eagles Nest, Middle Ranch Canyon Santa Catalina Island 210 Comment
  RSA67350  Lepidium nitidum F. W. Peirson 1921-2-26 2814 Los Angeles Topango Canyon, Santa Monica Mts. 305 Comment
  RSA429648  Lepidium perfoliatum Anstruther Davidson 1922-5-28 s.n. Los Angeles Lancaster. Comment
  UC1178610  Lepidium virginicum Peter Kamb 1948-3-13 809 Los Angeles Eastern Lovejoy Buttes Antelope Valley 853 Comment
  UC1601416  Lepidium virginicum var. pubescens Geo. B. Grant 1901-1 679 Los Angeles Pasadena Comment
  UC455508  Lepidospartum squamatum I. J. Condit 1908-7-28 Los Angeles Hollywood Comment
  UCR142710  Leptochloa uninervia Ian Swift 2001-9-27 338 Los Angeles Lower Bouquet Canyon; side channel of Bouquet Canyon, 50 m east of the Scudder Boy's Camp 432 Comment
  UC84331  Leptodactylon californicum Miss Merritt Los Angeles Los Angeles Comment
  RSA628381  Leptosiphon breviculus Scott D. White, D. E. Bramlet 1998-6-29 6823 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA778921  Leptosiphon breviculus Orlando Mistretta, Christine Mistretta 2010-6-3 5243 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  SBBG64584  Leptosiphon breviculus R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  RSA469980  Leptosiphon breviculus B. C. Templeton 1932-7-21 5026 Los Angeles East Blue Ridge, Big Pines Park 2104 Comment
  RSA756274  Leptosiphon liniflorus Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3296 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  SBBG60871  Leptosyne douglasii M. N. Ackley 1926-5-8 230 Los Angeles Little Rock 914 Comment
  CAS-BOT-BC339278  Lessingia glandulifera var. glandulifera C. F. Baker 1903-8-1 3444 Los Angeles Claremont Comment
  POM49618  Lessingia glandulifera var. glandulifera A. D. E. Elmer 1902-06 3620 Los Angeles Palmdale Comment
  SBBG27635  Lessingia glandulifera var. glandulifera D. Myrick 1967-6-9 1609 Los Angeles near Pearblossom 914 Comment
  RSA225967A  Lessingia glandulifera var. glandulifera R. F. Thorne, C. W. Tilforth 1971-6-29 40684 Los Angeles San Gabriel Mountains, Angeles National Forest: N slope San Gabriel Mountains, ca. 1.5 mi E of junction of Aliso Creek wash and Santa Clara River, in Aliso Canyon 854 Comment
  CAS-BOT-BC274476  Leymus triticoides LeRoy Abrams 1902-6-12 2522 Los Angeles Ballona Creek, near Mesmer Comment
  RSA719582  Lilium parryi Richard G. Swinney 1997-7-22 5705 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  UCR124753  Lilium parryi B. C. Templeton 1933-7-21 5051 Los Angeles San Gabriel Mountains, upper end of Prairie Forks 2058 Comment
  RSA0082590  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  UCR229154  Linanthus aureus Dan S. Cooper 2011-5-5 511- 50 A Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  POM277119  Linanthus aureus E. S. Steele, G. F. Pratt 1934-3-22 7016 Los Angeles Antelope Valley, Northwest of Lancaster. Comment
  UC1871351  Linanthus aureus subsp. aureus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5024 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UC908646  Linanthus aureus subsp. aureus Herbert L. Mason 1926-4-26 2945 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains San Gabriel Mountains Comment
  CAS-BOT-BC226743  Linanthus californicus Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk., San Gabriel Mts. Comment
  RSA468441  Linanthus californicus Kenneth R. Montgomery, T. Strid 1973-5-19 73 -68 Los Angeles Site of LASCA Cistus field plot, at Dillon Divide. Comment
  RSA612281  Linanthus dianthiflorus L. C. Wheeler 1934-4-27 2565 Los Angeles Marshall Creek. 488 Comment
  SBBG131622  Linanthus dianthiflorus S. A. Junak 1999-4-24 SCa 878 Los Angeles E of Empire Landing Rd 182 Comment
  SD69495  Linanthus dianthiflorus Robert F. Thorne 1966-4-4 35757 Los Angeles Santa Catalina Island; W-facing slope, bluff SE of Ballast Point and Catalina harbor, Isthmus 60 Comment
  UC23496  Linanthus dianthiflorus Harley P. Chandler 1897-4-7 Los Angeles Claremont 701 Comment
  UCR1063  Linanthus dianthiflorus B. L. Estes 1961-4-1 s.n. Los Angeles San Gabriel Mtns., Altadena, Eaton Wash, 1 mile south of bridge 400 Comment
  RSA630751  Linanthus dianthiflorus L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon, sunny flat by abandoned dwelling site 601 Comment
  RSA233370  Linanthus dianthiflorus subsp. dianthiflorus Arthur C. Gibson, Linda Gibson 1972-3-4 2769 Los Angeles Dume Road near Point Dume. Comment
  RSA0117699  Linanthus dichotomus A. C. Sanders 2007-4-25 33582 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA764497  Linanthus dichotomus subsp. pattersonii Orlando Mistretta, Christine Mistretta 2008-4-29 2618 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  UCR187142  Linanthus liniflorus A. C. Sanders 2006-5-16 32322 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UC908615  Linanthus parviflorus Margaret Stason 1927-5-14 Los Angeles Big Pines San Gabriel Mts. Comment
  RSA529136  Linanthus pungens T. S. Ross, S. D. Boyd 1991-7-24 5620 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  CAS-BOT-BC426257  Lithophragma affine Ernest Braunton 1902-4-13 199 Los Angeles Griffith Park Comment
  IRVC26632  Lithophragma affine subsp. mixtum Reid Moran 1941-3-6 682 Los Angeles Santa Catalina Island; Middle Ranch Canyon; N side of bank Channel Islands 300 Comment
  UCR141326  Lithophragma bolanderi R. F. Thorne 1971-4-23 41467 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest; Chantry Flats, along trail to Santa Anita Canyon 610 Comment
  POM97176  Lithophragma heterophyllum P. A. Munz 1925-3-18 8922 Los Angeles Newhall Grade. Comment
  SEINET10939865  Lithrea molleoides Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4772 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  POM48105  Lobelia dunnii var. serrata I. M. Johnston 1924-8-13 s.n. Los Angeles Evey Canyon, San Antonio Mountains 701 Comment
  UCR174981  Lobularia maritima Holly Summers 2006-4-30 010 Los Angeles San Gabriel Mtns., hills northeast of Tujunga, foot of Bluegum Canyon, north side of Day St. between Leona Ave. an Haines Canyon Rd. 585 Comment
  UCR259574  Lobularia maritima R. G. Swinney 2010-4-1 12135 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
  UC1594388  Logfia arizonica Tim Ross and Elizabeth Kellogg 1992-4-12 6123 Los Angeles 129 degrees se and 525 m distant from Vista (near head of Grove Canyon); San Clemente Island 521 Comment
  UC1595262  Logfia gallica Tim Ross and Peter Fritsch 1990-6-20 3623 Los Angeles near the confluence of the e and w forks San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  CLARK-A1528-4718  Lolium perenne subsp. multiflorum John C. Roos 1947-10-12 Los Angeles West Los Angeles Comment
  RSA658367  Lolium perenne subsp. multiflorum Naomi Zohman 1985-4-28 35 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA774832  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2010-6-8 5284 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
  POM356977  Lolium temulentum Anstruther Davidson 1890-05 s.n. Los Angeles San Pedro Comment
  RSA452080  Lomatium dasycarpum subsp. dasycarpum L. C. Wheeler 1934-4-15 2523 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  RSA97162  Lomatium dissectum var. multifidum F. W. Peirson 1922-6-3 3080 Los Angeles 3 miles west of Elizabeth Lake. 1113 Comment
  RSA653154  Lomatium mohavense B. Pitzer 1998-5-23 3749 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca 1/2 mi. S of Sierra Hwy., 34 29.26'N, 118 08.2W [UTM 10km cell: 11SLJ-9E, 1N. Soledad Canyon] 945 Comment
  SBBG31036  Lonicera subspicata R. F. Thorne with D. Propst 1968-5-27 37623 Los Angeles upper Skull Cyn 304 Comment
  CAS-BOT-BC234872  Lonicera subspicata var. denudata V. Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mts., (n. slope) Comment
  UC421577  Lonicera subspicata var. denudata John Thomas Howell 1927-10-16 3157 Los Angeles trail to Santa Anita Canyon; San Gabriel Mts. Comment
  RSA406758  Lotus argophyllus subsp. ornithopus George B. Grant, Walter Wheeler 1904-04 6257 Los Angeles Santa Catalina Island. Comment
  JEPS55415  Lotus argophyllus var. argophyllus A. M. Ottley 1920-5-3 565 Los Angeles Little Tujunga Wash; San Gabriel Mts. 335 Comment
  RSA155785  Lotus argophyllus var. ornithopus P. H. Raven 1962-5-22 17843 Los Angeles Middle Ranch, Santa Catalina Island. 213 Comment
  RSA724425  Lotus corniculatus K. Dobry 1991-5-18 621 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  RSA561596  Lotus crassifolius var. crassifolius Steve Boyd 1993-5-24 8165 Los Angeles Ridgeline SE of saddle leading to May Peak 1097 Comment
  RSA406451  Lotus dendroideus var. dendroideus George B. Grant 1904-6-17 s.n. Los Angeles Pasadena. Comment
  RSA746958  Lotus heermannii R. G. Swinney 2008-4-30 8712 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR155929  Lotus humistratus A. C. Sanders 2005-5-5 29890 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  PASA1099  Lotus micranthus Frank W. Peirson 1919-5-18 436 Los Angeles Monrovia Canyon, San Gabriel Mts. 426 Comment
  RSA729965  Lotus oblongifolius var. oblongifolius R. G. Swinney 1999-5-22 7200 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  RSA592300  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1967-5-13 9523 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 259 Comment
  RSA600068  Lotus procumbens var. procumbens Steve Boyd, Lauren Raz 1997-5-20 9823 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. 1676 Comment
  UCR131436  Lotus purshianus Alison Lipman 1998-6-9 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM243727  Lotus salsuginosus F. R. Fosberg 1931-3-31 S- 4422 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  RSA681270  Lotus salsuginosus Scott D. White 2003-6-2 9446 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  JEPS55923  Lotus salsuginosus Alice M. Ottley 1920-5-6 605 Los Angeles Fish Canyon San Gabriel Mts. 609 Comment
  UCR124450  Lotus scoparius var. scoparius I. W. Clokey, B. C. Templeton 1929-1 4480 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  IRVC26349  Lotus strigosus A. C. Sanders, Andy Thompson 2003-4-15 26014 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  RSA406298  Lotus strigosus Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  CATA1687  Lotus unifoliolatus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2982 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 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
  RSA748452  Lupinus Orlando Mistretta 1992-7-6 s.n. Los Angeles Kratka Ridge, spring by road. Comment
  UCR216567  Lupinus Dan S. Cooper 2010-6-16 610- 73 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., intersection of Mt. Lee Dr. and Mulholland Hwy., Griffith Park 378 Comment
  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
  CAS-BOT-BC201423  Lupinus albifrons var. albifrons R. Hoffmann 1931-4-28 514 Los Angeles W. end of Bouq. Cany. [Bouquet Canyon] Comment
  JEPS64997  Lupinus bicolor Dr. A. Davidson 1891-1 Los Angeles Los Angeles Comment
  RSA0087025  Lupinus bicolor R. G. Swinney 2010-6-1 13085 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SBBG98275  Lupinus bicolor G. G. Grant 1905-4-7 Los Angeles Pasadena Comment
  UC311498  Lupinus bicolor Philip A. Munz 1925-4-23 9419 Los Angeles San Gabriel Canyon 304 Comment
  UCR258765  Lupinus bicolor R. G. Swinney 2010-6-1 13128 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  HSC43281  Lupinus bicolor David B. Dunn, Epling 1946-4-19 2138 Los Angeles "Along Hwy. 138, .2 mi. N of jct. of the old Ridge Route." 854 Comment
  RSA350048  Lupinus bicolor Samuel R. Tyson 1942-5-7 s.n. Los Angeles San Dimas Canyon. 427 Comment
  POM350053  Lupinus bicolor subsp. microphyllus Geo. L. Moxley 1917-2-4 523 Los Angeles Van Nuys. Comment
  RSA190973  Lupinus bicolor subsp. microphyllus R. F. Thorne, Doug Propst, R. Carolin 1967-3-18 36743 Los Angeles Lower end Bulrush Canyon. 244 Comment
  SEINET10484892  Lupinus bicolor subsp. microphyllus David B. Dunn 1947-4-16 Dunn 2938 Los Angeles 1 1/2 miles w of palmdale; mojave desert. Comment
  RSA755882  Lupinus breweri R. G. Swinney 2008-7-24 9281 Los Angeles Waterman Mountain 2412 Comment
  UC1129424  Lupinus chamissonis H. A. Jensen 1933-4-25 290 Los Angeles along the coast n El Segundo; Redondo Quad. Comment
  RSA0098783  Lupinus concinnus R. G. Swinney 2011-6-1 14944 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  UCR159090  Lupinus concinnus B. G. Pitzer 1996-4-20 2693 .1 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
  POM11400  Lupinus elatus P. A. Munz 1921-6-18 4568 Los Angeles San Antonio Mountains, Swartout Valley. 1829 Comment
  RSA229060  Lupinus elatus R. F. Thorne 1969-7-29 38855 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  UCR114183  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA0036529  Lupinus excubitus Daisie Huang 2007-5-18 07051800 Los Angeles Near summit of Monrovia Canyon Trail, 4 miles past bridge. 900 Comment
  SEINET7047888 Image available Lupinus excubitus Steven R. Hill, Kate Kramer 2001-4-22 33336 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  RSA586983  Lupinus excubitus var. austromontanus Orlando Mistretta 1992-5-8 313 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA597123  Lupinus excubitus var. austromontanus T. S. Ross 1990-6-22 3715 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA762410  Lupinus excubitus var. hallii Orlando Mistretta, Christine Mistretta 2008-5-9 3012 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  RSA008610  Lupinus formosus Fay A. MacFadden 1931-3-10 3003 Los Angeles Tuna Canyon Comment
  RSA413626  Lupinus formosus var. formosus George R. Johnston 1918-4-28 13752 Los Angeles Canyon north of Big Pine. 1524 Comment
  LA33643  Lupinus hirsutissimus Henry J. Thompson; 1959-4-12 1922 Los Angeles 304 Comment
  RSA0036984  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  CAS-BOT-BC211709  Lupinus longifolius LeRoy Abrams 1902-7-1 2621 Los Angeles Little Santa Anita Canyon, Sierra Madre Mts. Comment
  CAS-BOT-BC211724  Lupinus longifolius John Thomas Howell 1931-5-29 6560 Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  LA200475  Lupinus longifolius Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA599889  Lupinus longifolius L. C. Wheeler 1936-6-8 4126 Los Angeles San Gabriel Mountains: Bell-San Dimas Canyon divide 960 Comment
  SD113405  Lupinus longifolius Darley F. Howe 1947-3-3 1510 Los Angeles Topango Canyon , ca. 3.0 miles from ocean. Comment
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May 22 2014
  UCD107978  Lupinus longifolius Michael Alvord; Curtis Schway 1993-4-14 23 Los Angeles Santa Monica Mtns., Topanga State Park, upper parking lot, Eatgle Rock Spring Trail, 0.1 miles N. side of trail. 600 Comment
  SBBG69044  Lupinus microcarpus var. densiflorus R. Hoffmann 1925-4-19 Los Angeles E side of Bouquet Cyn Comment
  SBBG3689  Lupinus peirsonii H. and M. Dearing 1949-5-1 6766 Los Angeles Rock Crk Comment
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Dec 28 2010
  RSA0112766  Lupinus sparsiflorus R. G. Swinney 2011-3-29 14245 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
  SD113424  Lupinus sparsiflorus Darley F. Howe 1915-1 3 Los Angeles Claremont Comment
  SFV1917  Lupinus sparsiflorus K. A. Wilson 1961-3-11 979 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  RSA414263  Lupinus sparsiflorus subsp. sparsiflorus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  UCR172777  Lupinus truncatus Wayne Law, Jun Hu 2000-4-30 06 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR50689  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles San Gabriel Mountains, Canyon below Johnson's Pasture, above Claremont 549 Comment
  UCSB3367  Lupinus truncatus Wedberg, H. 1957-4-6 Los Angeles Mouth of Las Flores Canyon Comment
  CAS-BOT-BC233473  Lycium californicum R. M. Beauchamp 1967-1-27 103 Los Angeles Slope east of Wilson Cove area, San Clemente Island Comment
  CAS-BOT-BC233484  Lycium californicum Carl B. Wolf 1932-5-12 3584 Los Angeles 1 1/2 mi. from Little Harbor on road to Isthmus, Santa Catalina Island 91 Comment
  RSA0081124  Lycium cooperi R. G. Swinney 2010-6-1 13095 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
  RSA428860  Lycium cooperi Roger Minahan 1934-06 s.n. Los Angeles Valyermo, San Gabriel Mountains. Comment
  RSA451625  Lyonothamnus floribundus subsp. aspleniifolius M. B. Dunkle 1939-4-6 7316 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UC114309  Lyonothamnus floribundus subsp. aspleniifolius T. S. Brandegee 1899-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC142322  Lyonothamnus floribundus subsp. floribundus Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA156035  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-22 17833 Los Angeles Santa Catalina Island, first canyon west of Lions Head Point. Comment
  RSA582451  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8179 Los Angeles Santa Catalina Island. 1060m NNE of Blackjack Mountain, 645m SSW of Echo Lake, on northeasterly slope draining to White Cove. 366 Comment
  UC1302893  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne and P. C. Everett 1964-2-6 33431 Los Angeles slope of Black Jack Mt. above airport road, Santa Catalina Island 457 Comment
  POM158111  Lythrum californicum L. R. Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer Comment
  UCR218027  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38574 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA569412  Machaeranthera canescens subsp. canescens B. C. Templeton 1932-8-27 5109 Los Angeles Ranger Station, Big Pines Park 2087 Comment
  RSA522329  Machaeranthera canescens var. canescens Timothy S. Ross, Orlando Mistretta 1990-10-3 3286 Los Angeles Upper portions of the Tie Canyon, Tujunga Ranger District, Angeles National Forest. 1829 Comment
  CAS-BOT-BC343069  Madia gracilis Louis C. Wheeler 1932-6-12 813 Los Angeles San Dimas Canyon, San Gabriel Mts. 533 Comment
  RSA0073298  Madia gracilis Bonnie C. Templeton 1932-6-1 4870 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mts. 2195 Comment
  RSA615507  Maianthemum stellatum Louis C. Wheeler 1966-8-21 8835 Los Angeles San Gabriel Mountains: Northwest slope, Mount Burnham Comment
  UCR58505  Malacothamnus clementinus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island, China Canyon above confluence of Iwo Jima Gulch. 200 Comment
  RSA0085347  Malacothamnus davidsonii R. G. Swinney 2010-5-4 12528 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
  RSA563514  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
  LA105306  Malacothamnus fasciculatus Barry A. Prigge; David S. Verity 1988-10-6 8344 Los Angeles Comment
  RSA695387  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-18 25132 Los Angeles NE end of Santa Susana Mtn.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  RSA756153  Malacothamnus fasciculatus R. G. Swinney 2008-7-12 9181 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  UCR142499  Malacothamnus fasciculatus Reid Moran 1941-3-3 670 Los Angeles Channel Islands, near Parson's Landing, Santa Catalina Island 200 Comment
  UCR142500  Malacothamnus fasciculatus var. fasciculatus F. R. Fosberg 1931-7-16 S- 5427 Los Angeles Channel Islands, Gallagher's Canyon, Santa Catalina Island 100 Comment
  CAS-BOT-BC206356  Malacothamnus fremontii Tim Ross; Steve Boyd 1993-5-23 7263 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft.), ca 700 m SSw of Plum Spring, in upper Clearwater Canyon, Green Valley 7.5' USGS quad. - Liebre Mountains 908 Comment
  RSA0062839  Malacothamnus fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6762 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CAS-BOT-BC204188  Malacothamnus marrubioides Carl B. Wolf 1927-7-27 686 Los Angeles Ridge Route Road 2 mi. so. of Forest Inn Comment
  CAS-BOT-BC345326  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Tehachapi Mountains. Oso Canyon, about 0.5 mile above Oso Corral 975 Comment
  CAS-BOT-BC345408  Malacothrix clevelandii John Thomas Howell 1928-5-6 3778 Los Angeles On trail to Madrona [Madrona] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  UC987809  Malacothrix foliosa subsp. philbrickii Reid Moran 1941-4-27 824 Los Angeles w side Santa Barbara Island; Channel Islands; W side of Santa Barbara Island, Channel Islands 100 Comment
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Feb 14 2006
  POM362304  Malacothrix glabrata B. C. Templeton 1930-5-19 1462 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  RSA160868  Malacothrix glabrata P. C. Everett, Nick Lolonis 1962-4-30 24458 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  UCR260348  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  SBBG66178  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  CATA1903  Malosma laurina Elizabeth Baniaga, Joseph Vickers, Ariella Markowitz, Leia Moyse, Makaela Ballard, Benjamin Carter 2012-8-3 Los Angeles Santa Catalina Island: City of Avalon, near base of Hermit Gulch Trail 121 Comment
  SD69028  Malosma laurina Robert F. Thorne, D. Propst 1968-5-29 37688 Los Angeles Santa Catalina Island, upper part of Cape Canyon on slopes of Black Mountain 320 Comment
  SBBG38759  Malva parviflora M. B. Dunkle 1939-4-6 7293 Los Angeles Mosquito Harbor Comment
  RSA0004201  Malvastrum gabrielense F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts 1067 Comment
  RSA279016  Malvella leprosa Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42190 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  RSA0118865  Marah fabacea A. C. Sanders 2006-4-18 32115 Los Angeles Tehachapi Mtns. Foothills: hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake. 1037 Comment
  UCSB6294  Marah fabacea Ballard 1954-4-8 Los Angeles Along Route 395 just south of Fallbrook turnoff 176 Comment
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Mar 1 2017
  UCR192001  Marah horrida A. C. Sanders 2008-4-17 34922 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  UCSB9125  Marah macrocarpa Haller, John 1953-3-4 Los Angeles Faculty Hill, UCLA Comment
  UC1409196  Marah macrocarpa var. macrocarpa Donald R. Bissing 1973-3-13 11 Los Angeles near mouth Evey Canyon; San Gabriel Mountains 710 Comment
  RSA0068438  Marrubium vulgare R. G. Swinney 2010-8-16 13557 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UC1922327  Marrubium vulgare Gary Kovnat with LeRoy Gross 2003-2-16 21 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR219243  Marrubium vulgare Lorraine Weller 2010-8-17 010910- 01 Los Angeles Altadena Community Garden, corner of Lincoln Ave. & Palm St., Altadena 395 Comment
  SFV3173  Marrubium vulgare P. M. Kennamer 1958-8-7 s. n. Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  SBBG56311  Marsilea vestita R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  SFV22127  Medicago polymorpha V. Soza, L. Gross 2001-5-9 1190 Los Angeles San Rafael Hills South of Scholl Canyon, Sleepy Hollow Drive to Valley Vista fire road. North-northwest-facing slope alongside fire road. 274 Comment
  UC865664  Medicago sativa Ezra C. Knopf 156 Los Angeles Santa Catalina Island Comment
  SEINET11810119  Melampodium perfoliatum S. B. Parish, Parish, W. F. 1882-1 1171 Los Angeles Los Angeles city Comment
  UC1870243  Melia azedarach LeRoy Gross 2002-3-31 502 Los Angeles Los Angeles Basin region: Big Tujunga Was, southern front of the San Gabriel Mountains; Where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash 366 Comment
  UCR187135  Melica californica A. C. Sanders 2006-5-16 32309 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CAS-BOT-BC281498  Melica imperfecta Mrs. Jos Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC281509  Melica imperfecta Timothy S. Ross; Steve Boyd 1990-5-31 2730 Los Angeles San Gabriel Mts. Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1847 Comment
  CAS-BOT-BC281524  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  SEINET10599441  Melica imperfecta Adolph D. E. Elmer Elmer 3646 Los Angeles Acton. Comment
  UCD88289  Melica stricta A. A. Beetle 1942-6-25 3639 Los Angeles San Bernardino Mountain, 4 miles north of Big Pine Camp on Rt. 2. 1828 Comment
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Mar 25 2015
  RSA595027  Melilotus albus Steve Boyd, Lauren Raz 1996-10-8 8990 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  SD215544  Melilotus indicus Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9474 Los Angeles 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 792 Comment
  UCR258612  Melilotus indicus R. G. Swinney 2010-3-10 11818 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  LA82123  Melilotus indicus O. H. Kappler; 1941-5-5 240 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD40033  Melilotus indicus Edith A. Purer 1932-4-23 2776 Los Angeles El Segundo Comment
  UCR270022  Mentzelia R. G. Swinney 2010-6-1 13104 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
  RSA711449  Mentzelia LeRoy Gross 2005-5-19 2303 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
  SEINET3412972 Image available Mentzelia affinis Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7994 Los Angeles Mojave Desert; Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
  RSA0110208  Mentzelia congesta Richard G. Swinney 2011-5-16 14753 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19 in upper Big Tujunga Cyn., c. 150m north of lodge on a SW-facing slope, E of the swimming pool. 1220 Comment
  SFV5399  Mentzelia congesta J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Angeles Crest Highway [= Angeles Forest Highway], 4 miles south of junction with U. S. Highway 6. Roadside. 1220 Comment
  JEPS42753  Mentzelia dispersa Frank W. Peirson 1921-6-14 2466 Los Angeles San Gabriel Mountains, Trail Fork San Gabriel River Canyon 975 Comment
  RSA69710  Mentzelia dispersa F. W. Peirson 1921-6-14 2466 Los Angeles Trail F of San Gabriel RiverSan Gabriel Mts. 976 Comment
  RSA589258  Mentzelia jonesii Tim S. Ross 1991-4-27 4671 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg. SW of Three Sisters [Buttes]. 1003 Comment
  IRVC29189  Mentzelia laevicaulis June Latting 1976-10-6 s.n. Los Angeles Big Rock Creek Fire Station, Fenner Canyon San Gabriel Mountains 1585 Comment
  RSA38390  Mentzelia laevicaulis P. A. Munz 1947-9-21 12172 Los Angeles San Antonio Creek at Base Line Road, 3 miles east of Claremont, dry gravelly wash. 457 Comment
  SBBG69316  Mentzelia micrantha A. J. McClatchie 1893-4-21 Los Angeles Pasadena Comment
  POM83230  Mentzelia micrantha Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  RSA226061  Mentzelia micrantha Robert F. Thorne 1971-6-17 3998 Los Angeles 2 mi up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  RSA305744  Mentzelia micrantha Henry J. Ramsey, Henry J. Ramsey 1937-6-27 949 Los Angeles Sand Canyon, north of Pacoima reservoir Comment
  UC494779  Mentzelia ravenii T. Craig 1928-4-28 1039 Los Angeles Road to Los Angeles County Playground Big Rock Creek Comment
  CAS-BOT-BC167626  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-24 7860 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  RSA758063  Mentzelia veatchiana D. E. Bramlet, Jennifer Pareti 2008-4-14 4193 Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Cyn, 762 m SE of Bouquet Cyn Road and 549 m S of Hayfork Rd. 476 Comment
  UCR269133  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2011-6-18 5713 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, east side of Gleason Canyon on Forest Service Road 4N24 1508 Comment
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Apr 23 2019
  SBBG108134  Mesembryanthemum nodiflorum S. L. Crockett 1997-3-20 594 Los Angeles point overlooking and NE of Ben Weston Beach 164 Comment
  CAS-BOT-BC435285  Mesembryanthemum nodiflorum L. R. Abrams; I. L. Wiggins 1931-7-3 289 Los Angeles Channel Islands. Santa Barbara Island Comment
  UCR152484  Metrosideros kermadecensis A. C. Sanders, Lee Jones 2005-4-8 29364 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  LA209013  Micranthes californica Virginia Mars; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway Comment
  RSA595366  Microseris heterocarpa L. C. Wheeler 1967-5-8 9364 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UCR126864  Microseris lindleyi A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26200 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR210120  Mimulus R. G. Swinney 2008-7-24 9344 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  POM294588  Mimulus aurantiacus Lyman Benson 1945-5-11 11695 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA650916  Mimulus aurantiacus Dolores Perez 1981-5-3 34 Los Angeles Calif. Hwy 39, Crystal Lake Recreation Area. Roadside of lake bank. Comment
  UC450893  Mimulus aurantiacus var. pubescens Fay A. MacFadden 1931-4-9 51 E Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA659129  Mimulus aurantiacus var. puniceus LeRoy Gross 2001-3-31 364 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 366 Comment
  LA35209  Mimulus brevipes Mary V. Hood; 1944-5-7 44- 39 -k* Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  LA51876  Mimulus brevipes O. A. Plunkett; 1926-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA82050  Mimulus brevipes O. H. Kappler; 1943-5-23 467 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA0116688  Mimulus brevipes R. G. Swinney 2010-5-25 12925 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA102534  Mimulus brevipes C. S. Williamson 1901-7-24 s.n. Los Angeles Mt. Lowe. Comment
  RSA713804  Mimulus cardinalis Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1362 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  UCR124667  Mimulus cardinalis B. C. Templeton 1933-7-21 5039 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  UCR271232  Mimulus cardinalis R. G. Swinney 2011-9-27 15691 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR189737  Mimulus floribundus R. G. Swinney 1998-7-10 6380 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  RSA447959  Mimulus guttatus Anstruther Davidson 3620 Los Angeles Fish Creek Canyon, San Gabriel Mountains. Comment
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Jan 11 2007
  JEPS86969  Mimulus johnstonii David M. Thompson 1986-6-7 494 Los Angeles 3.0 mi se Valyermo-Big Pines road (along ne side of Big Rock Creek Road); San Gabriel Mts. 1390 Comment
  UCR204845  Mimulus johnstonii R. G. Swinney 2005-8-11 8440 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0056584  Mimulus johnstonii David M. Thompson 1986-6-8 495 Los Angeles San Gabriel Moutains: 7.0 miles N of Angeles Crest Highway (Hwy 2) along road following the South Fork of Little Rock Creek (beginning at 'Three Points' on USGS map). Comment
  UC1260166  Mimulus moniliformis Robert F. Thorne and Larry DeBuhr 1974-6-28 44756 Los Angeles n slope Mt. Hawkins (Lily Springs area, drainage of South Fork Big Rock Creek); San Gabriel Mts., Angeles National Forest 2438 Comment
  SBBG130882  Minuartia douglasii S. A. Junak 1999-5-7 SCa 896 Los Angeles between Cape and Middle Ranch Cyns, overlooking Cape Cyn Reservoir, just W of conspicuous butte on ridge 475 Comment
  RSA0055068  Mirabilis laevis Jim Shevock 1970-3-24 60 Los Angeles San Gabriel Mountains. 396 Comment
  RSA0027975  Mirabilis laevis var. crassifolia Tim S. Ross 1993-4-21 6839 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between Carlos (972 feet) and Cactus Peak (1560 feet); 500-1200 feet NNE to NE of Quartz (1252 feet). 396 Comment
  RSA464652  Mirabilis laevis var. crassifolia F. E. Durkee 1906-5-6 s.n. Los Angeles Vermont Ave. Canyon, Hollywood. Comment
  RSA464669  Mirabilis laevis var. crassifolia Robert M. Perkins 1936-4-26 148 Los Angeles Santa Monica Mountains. Comment
  RSA715784  Mirabilis multiflora Scott D. White, Pam DeVries 2006-5-10 11422 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
  SEINET11340575  Monardella breweri Unknown 2011-10-10 15737 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC219891  Monardella breweri subsp. breweri John Thomas Howell 1928-6-10 3878 Los Angeles Near Deer Park, Monrovia Canon [Canyon], San Gabriel Mts. Comment
  RSA605657  Monardella exilis Louis C. Wheeler 1965-6-21 8695 Los Angeles Mojave Desert: ca. 3 miles E of 90th Street, East & Ave. O, on Ave. O; ca. 1 mile W of Alpine Butte Wildflower Sanctuary.. . Comment
  SEINET3996158 Image available Monardella exilis Victor Duran 1933-5-23 3415 Los Angeles Near Lancaster 716 Comment
  CAS-BOT-BC349494  Monolopia lanceolata A. J. McClatchie 1897-4-9 s.n. Los Angeles Palos Verdes Hills near Redondo Comment
  RSA603263  Muhlenbergia californica L. C. Wheeler 1932-9-9 1360 Los Angeles San Antonio Canyon 1067 Comment
  UC1587169  Muhlenbergia californica Tim Ross and Annette Ross 1989-9-20 1780 Los Angeles near pond w Spring Hill (below Baldy Rd); San Gabriel Mountains, San Antonio Canyon 975 Comment
  UCR150709  Muhlenbergia californica R. G. Swinney, Dave Larson 1999-5-15 7172 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  CAS-BOT-BC275284  Muhlenbergia microsperma F. A. MacF. 1930-6-1 2505 Los Angeles La Tuna Canyon, Verdugo Hills Comment
  LA9672  Muhlenbergia microsperma Louis Wheeler; 1932-3-12 463 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 400.0 Comment
  RSA249732  Muhlenbergia microsperma R. F. Thorne, M. Z. Thorne 1973-2-12 42472 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  RSA535876  Muhlenbergia microsperma Timothy S. Ross 1991-9-1 5905 Los Angeles Near Mulholland Hwy x Yerba Buena Road. 405 Comment
  RSA0091861  Muhlenbergia microsperma Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1523 Los Angeles Santa Catalina Island. E of Little Harbor, just S of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, overlooking Campo Blanco Canyon. 79 Comment
  RSA0064068  Muhlenbergia richardsonis R. G. Swinney 2010-10-13 14045 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UCR271139  Muhlenbergia richardsonis R. G. Swinney 2011-9-27 15718 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UC905454  Muilla maritima I. W. Clokey and E. G. Anderson 1935-5-9 5855 Los Angeles San Dimas Canyon Comment
  UCR221917  Muilla maritima R. G. Swinney 2009-4-28 10523 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA317216  Muilla maritima Michael C. Long, P. H. Sullivan 1974-5-19 s.n. Los Angeles Deviel s Punchbowl Co. Park, 0.5 mi. N of Parking area. Comment
  RSA649698  Muilla maritima Michael Horn 1991-5-3 20 Los Angeles San Gabriel Mountains, Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  SD48940  Munzothamnus blairii Reid Moran 1958-9-15 6824 Los Angeles San Clemente Island; walls of canyon 1.8 miles southeast of Eel Point. 99 Comment
  UC24137  Nama californica Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  CAS-BOT-BC219355  Nama stenocarpa Dr. H. E. Hasse 1889-9-1 s.n. Los Angeles Near Santa Monica Comment
  CAS-BOT-BC433229  Nassella cernua A. C. Sanders 2006-5-16 32302 Los Angeles Transverse Range; Liebre Mtns. Region: 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 1006 Comment
  POM296907  Nassella lepida Lyman Benson 1945-5-11 11682 Los Angeles Indian Hill, Claremont Comment
  RSA595370  Nassella lepida L. C. Wheeler 1967-5-8 9360 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UC1930094  Nassella pulchra V. Soza, LeRoy Gross 2001-5-22 1237 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat. 655 Comment
  CAS-BOT-BC60406  Nasturtium officinale P. A. Munz; L. S.; G. W. 1919-4-12 2494 Los Angeles Near Puente. Comment
  RSA601178  Navarretia atractyloides L. C. Wheeler 1967-6-27 9916 Los Angeles San Gabriel Mountains : Lower north side Sunset Ridge, by Millard Canyon. 579 Comment
  RSA746808  Navarretia atractyloides Michael Honer 2003-7-8 1845 -A Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  UCD48404  Navarretia hamata Robert F. Thorne 1966-4-6 35914 Los Angeles Santa Catalina Island: dry, rocky slopes of old quarry W of Empire Landing. 91 Comment
  RSA596128  Nemacladus sigmoideus T. S. Ross, S. D. Boyd 1995-6-29 8658 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  UCR213690  Nemacladus sigmoideus Justin M. Wood 2009-6-1 789 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  CSUSB117  Nemophila menziesii Virginia M. Bolton 1966-5-4 Los Angeles Foothills below Mount Baldy. Comment
  RSA652200  Nemophila menziesii G. Foster 1961-5-29 s.n. Los Angeles Mt. Wilson Rd., Angeles Natl. Forest. Comment
  CAS-BOT-BC7218  Nemophila menziesii var. integrifolia Marcus Eugene Jones 1882-4-1 3037 Los Angeles Pasadena Comment
  JEPS1805  Nemophila menziesii var. integrifolia Frank W. Peirson 1918-5-19 166 Los Angeles Millards Canyon , Millards Canyon (San Gabriel Mountains) 609 Comment
  RSA421379  Nemophila menziesii var. integrifolia J. Aug. Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  IRVC26956  Nemophila menziesii var. menziesii Mark A. Elvin 2003-5-1 s.n. Los Angeles Newhall Ranch, Castaic Mesas. Ca 1 mi SW of Castaic Lagoon at the W edge of a mesa, N of Charlie Canyon Santa Clarita Valley 366 Comment
  LA201926  Neogaerrhinum kelloggii Arthur C. Gibson; 2001-5-19 4919 Los Angeles 182 Comment
  RSA681266  Nerium oleander Scott D. White 2003-6-2 9442 Los Angeles City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR127397  Nerium oleander A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25563 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  CATA3192  Nicotiana glauca Julia Parish, Amy Catalano 2016-9-22 010 Los Angeles Santa Catalina Island: West End Road, crossing in Parsons Landing Canyon, on N side of road 65 Comment
  CDA33960  Nicotiana glauca M. O'Brien 2006-10-1 MOB 06 -1 Los Angeles San Gabriel Mountains; San Gabriel River, Angeles National Forest. 7 miles above the dam. Comment
  POM4061  Nicotiana glauca Philip A. Munz 1918-4-16 2066 Los Angeles Claremont. Comment
  RSA482198  Nicotiana glauca Richard Noyes 1987-9-19 426 Los Angeles Claremont. Intersection of Mills Avenue and Mt. Baldy Road. 500 Comment
  RSA642691  Nicotiana glauca Orlando Mistretta 1992-7-14 709 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR209224  Nicotiana glauca R. G. Swinney 1969-12-5 698 Los Angeles San Gabriel Mtns., Glendora, c. 0.5 mi. north of Sierra Madre Ave. above the north end of Pennsylvania Ave. 348 Comment
  UCR252576  Nicotiana quadrivalvis R. G. Swinney 2010-5-11 12668 B Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  HSC20455  Nicotiana quadrivalvis C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  CAS-BOT-BC7273  Notholaena californica Louis Cutter Wheeler 1932-6-26 878 Los Angeles San Gabriel Canyon, San Gabriel Mts. 304 Comment
  RSA119395  Oenothera deltoides subsp. deltoides William M. Klein 1958-6-3 288 Los Angeles 3.0 mi W of thje turn-off just n of Adelanto, on the road to Palmdale. Comment
  RSA187761  Oligomeris linifolia Robert F. Thorne 1966-4-5 35868 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  UC729791  Oligomeris linifolia Carl B. Wolf 1932-5-11 3566 Los Angeles Point, w side of Fourth O' July Cove Santa Catalina Island 30 Comment
  SEINET10732296  Opuntia X occidentalis George Engelmann Engelmann s.n. Los Angeles Comment
  POM214684  Opuntia littoralis F. R. Fosberg 1932-7-15 8613 Los Angeles Laurel Canyon, Santa Monica Mountains. Comment
  RSA576136  Opuntia oricola F. H. Elmore 1939-2-18 382 Los Angeles San Clemente Island. Comment
  RSA0036215  Opuntia oricola Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  RSA784679  Orcuttia californica Anonymous 1995-7-15 Los Angeles Cruzan Mesa, SW Sierra Pelona Mtns, off Vasquez Cyn Rd, NE of Saugus Comment
  SEINET3840528  Orcuttia californica A. A. Beetle 1946-1 Los Angeles Los Angeles Comment
  UCR238100  Orobanche fasciculata Mark A. Elvin, Cathleen Weigand 2003-5-22 2902 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCR273408  Orobanche fasciculata R. G. Swinney 2011-6-22 15249 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  CAS-BOT-BC499910  Orobanche fasciculata Le Roy Abrams; E. A. McGregor 1908-6-20 352 Los Angeles Liebre Mountains 1371 Comment
  RSA0081022  Orobanche fasciculata Anstruther Davidson 1906-6-7 s.n. Los Angeles Big Rock Creek. Comment
  CAS-BOT-BC243680  Orobanche parishii I. M. Johnston 1917-7-1 1431 Los Angeles Evey Canyon, San Antonio Mountains 838 Comment
  LA200981  Orobanche parishii Carl Wishner; 1993-7-25 2149 Los Angeles 200.0 Comment
  RSA402086  Orthocarpus purpurascens Elbert Benjamine 1929-3-31 84 Los Angeles Antelope Valley. Comment
  POM68648  Osmorhiza brachypoda Marcus E. Jones 1924-4-16 s.n. Los Angeles Stoddard Canon. Mouth of San Antonio Canyon. Comment
  RSA458991  Osmorhiza brachypoda L. E. Hoffman 1934-7-24 s.n. Los Angeles Millard s Canyon, Angeles Forest. Comment
  UC501491  Osmorhiza brachypoda Joseph Andorfer Ewan 1932-6-17 7349 Los Angeles Arroyo Seco San Gabriel Mountains (stream bottom) 1097 Comment
  UCD110735  Oxalis californica Daryl Koutnik 1978-4-28 447 Los Angeles Lobo Canyon at end of Lobo Road. 304 Comment
  RSA640176  Oxytheca parishii Louis C. Wheeler 1964-11-6 8645 Los Angeles San Gabriel Mountains: Cortelyou Springs, Angeles Crest Highway at Crystal Lake turnoff. Comment
  RSA64780  Oxytheca perfoliata F. W. Peirson 1917-5-13 1784 Los Angeles W. Mojave Desert. Comment
  RSA0080773  Oxytheca trilobata R. G. Swinney 2011-7-21 15543 Los Angeles Strawberry Peak summit. 1860 Comment
  JEPS37498  Packera ionophylla F. W. Peirson 1919-6-16 476 Los Angeles South Fork of Rock Creek San Gabriel Mountains 1676 Comment
  CAS-BOT-BC121177  Paeonia californica Peter H. Raven; Henry J. Thompson 1959-5-5 14130 Los Angeles Mulholland Hwy, 1 mile W of Las Virgenes Rd, Malibu Creek drainage 335 Comment
  RSA716930  Paeonia californica LeRoy Gross, Naomi Fraga 2006-1-20 2443 Los Angeles North end of the San Rafael Hills, along the main crest. North of Lookout Tower, near the Cerro Negro Trail. Near 527 Comment
  RSA0055079  Paeonia californica Jim Shevock 1970-3-16 39 Los Angeles San Gabriel Mountains. 365 Comment
  RSA126686  Papaver californicum H. J. Thompson 1959-5-24 2002 Los Angeles 1.9 miles north of Coast Highway, Tuna Canyon Road. 335 Comment
  CAS-BOT-BC274180  Pappostipa speciosa Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3710 Los Angeles San Gabriel Mountains. Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  POM367108  Parapholis incurva Gary D. Wallace 1979-5-15 1842 Los Angeles LA Arboretum; growing on the greenhouse in a crack, north of headhouse Comment
  SBBG95210  Parapholis incurva M. B. Dunkle 1908-4-29 Los Angeles near lagoon, Little Harbor Comment
  RSA756352  Parietaria judaica A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37181 Los Angeles Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  RSA657222  Paspalum dilatatum Patricia Kouo 1994-4-27 944144 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  UCR117134  Passiflora caerulea A. C. Sanders, D. Malueg 2001-5-17 24330 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
  POM19186  Pectocarya linearis subsp. ferocula P. A. Munz 1923-4-9 6690 Los Angeles Lemon Tank, San Clemente Island Comment
  RSA653473  Pectocarya penicillata Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 787 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR190418  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  LA200429  Pectocarya penicillata Anonymous; sn Los Angeles Comment
  UC1595471  Pectocarya recurvata Tim Ross 1992-4-4 6094 Los Angeles sw Mojave Desert, Adobe Mountain 926 Comment
  UC56962  Pectocarya setosa H. M. Hall May 1 1902-May 3 1902 3072 Los Angeles vicinity Palmdale; Antelope Valley 762 Comment
  POM82691  Pedicularis densiflora P. A. Munz 1925-4-23 9462 Los Angeles San Gabriel Canyon. 488 Comment
  RSA706218  Pedicularis semibarbata Tim Thibault, K. E. Olshewsky 2004-5-23 291 Los Angeles Mt. Williamson. 2074 Comment
  UCR1104  Pellaea andromedifolia Shirley Ward 1957-4-21 s.n. Los Angeles San Gabriel Mtns., Monrovia Canyon, 1/2 mile from waterfalls 610 Comment
  RSA686732  Pellaea andromedifolia F. H. Elmore 1939-2-18 383 Los Angeles San Clemente Island. Comment
  RSA651027  Pellaea mucronata Ken Chapman, Glenn Harthorn, Don Lage 1949-5-3 s.n. Los Angeles San Dimas Canyon. 376 Comment
  LA94169  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-27 1813 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  RSA605905  Pennisetum clandestinum L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mountains: 0.2 miles inside mouth of San Gabriel Canyon 232 Comment
  UCR117574  Pennisetum setaceum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23280 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 686 Comment
  RSA549823  Penstemon centranthifolius Wandalee Thompson 1964-6-16 52 Los Angeles Near Schwartz Ranch, Pine Canyon Road, N-2, 8 miles west of Elizabeth Lake 1128 Comment
  SBBG95353  Penstemon centranthifolius R. J. Rodin 1953-5-17 5822 Los Angeles 3 mi S of Gorman Comment
  UCR78114  Penstemon grinnellii Wandalee Thompson 1964-6-16 50 Los Angeles San Gabriel Mtns., Liebre Mountains, Pine Canyon Road, N-2, near foot of Liebre Mtn. c. 10 mi. west of Lake Elizabeth 1128 Comment
  RSA408051  Penstemon grinnellii subsp. grinnellii L. E. Hoffman 1929-7-23 s.n. Los Angeles Wash. Head [of] Pacoima Canyon, Angeles National Forest. Comment
  UCD124192  Penstemon grinnellii var. grinnellii Steve Mason; Helen M. Mason 1993-5-5 29 Los Angeles on Angeles Crest Hwy., 3.5 miles above Big Tujunga Canyon Road, above large parking area on southwest side of road, below water tank. 1798 Comment
  RSA408098  Penstemon heterophyllus var. australis Gale Sphon 1955-5-17 s.n. Los Angeles Mullholland Drive. Comment
  SDSU21064  Penstemon heterophyllus var. australis Ian Cain, Natasha Bartely 2010-6-21 1530 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  UCR223287  Penstemon rostriflorus R. G. Swinney 2009-7-29 11416 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCSB42850  Penstemon spectabilis Green, Lisa 1980-5-30 Los Angeles N. side of the Simi Valley Freeway near Iverson Rd. 426 Comment
  NY704146  Penstemon spectabilis subsp. subviscosus V. Soza 2001-4-24 1175 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.5 mile WNW of the Santa Anita Dam. (Mount Wilson) 823 Comment
  NY661220  Penstemon spectabilis var. subviscosus C. F. Baker 1903-7-20 3348 Los Angeles Claremont Comment
  SD52439  Penstemon spectabilis var. subviscosus Skip Stone May 1952 51 Los Angeles Blanchard Park, Claremont, Mt. Range: San Gabriel, Pac. slope drainage 334 Comment
  RSA0060342  Pentagramma triangularis Valerie L. Soza, Laura Moore 1999-6-30 571 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above Hoegee Campground. 853 Comment
  RSA741023  Pentagramma triangularis Justin M. Wood, Brandy Wood 2009-1-2 273 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  RSA0059334  Pentagramma triangularis Anonymous 1895-05 s.n. Los Angeles near Pasadena. Comment
  SDSU3651  Pentagramma triangularis A. Gallup 1948-1-24 101 Los Angeles Claremeont - in wash at 9th and Amhearst 366 Comment
  LA3444  Pentagramma triangularis subsp. triangularis Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Campus. Comment
  RSA687387  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1933-4-19 3319 Los Angeles Palos Verde Hills. Comment
  UCSB62234  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-2 Los Angeles San Gabriel Mtns., NW Mt. Gleason, upper Mill Cyn. Ca. 1/2 mi. above the power line rd. (USFS 4N32) 1097 Comment
  RSA0070741  Pentagramma viscosa M. B. Dunkle 1928-3-11 1719 Los Angeles Santa Catalina Island. Upper open canyon slopes, Silver Canyon. 304 Comment
  RSA459083  Perideridia parishii subsp. latifolia F. R. Fosberg, J. Ewan 1931-8-13 S 5585 Los Angeles Cienega , 0.5 mi. W of Windy Camp, north slope of Mt. Islip. 2300 Comment
  CAS-BOT-BC73765  Peritoma arborea var. arborea Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC355973  Perityle emoryi Carl Epling 1931-5-12 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  SBBG31540  Perityle emoryi R. M. Beauchamp 1967-3-18 291 Los Angeles Lemon Tank Comment
  CAS-BOT-BC419006  Persicaria lapathifolia Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mts. 304 Comment
  CAS-BOT-BC167755  Petalonyx thurberi Carl B. Wolf 1932-10-19 4350 Los Angeles Mint Canyon. 8 mi. above Saugus 426 Comment
  SEINET1004976  Petalonyx thurberi David Charlton, Virginia Howard 1989-1 3356 Los Angeles Western Mojave Desert; sled track near south entrance to Edwards Air Force Base, near intersection of Lancaster Blvd. [120th St. East] and Ave. D. 713 Comment
  SFV17084  Petroselinum crispum J. N. Hogue Jul 1997 s. n. Los Angeles Los Angeles, Eagle Rock. 152 Comment
  RSA423798  Petunia parviflora Anstruther Davidson 1891-6-14 s.n. Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] Comment
  UC1260170  Phacelia austromontana Robert F. Thorne and Larry DeBuhr 1974-6-28 44746 Los Angeles Lily Springs area San Gabriel Mts., Angeles National Forest, Mt. Hawkins, S. F (on n slope of mt., drainage of creek) 2438 Comment
  RSA0084146  Phacelia bicolor E. K. Balls, N. N. Balls 1966-3-17 12121 Los Angeles 2.3 mi W of Llano - along Hwy 138, Palmdale to the Cajon Pass. Comment
  RSA584870  Phacelia brachyloba Tim S. Ross 1990-6-4 2798 Los Angeles San Gabriel Mountains: East-West ridge ca. 1400 m N of Mt Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon. 1549 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
  SFV21105  Phacelia cicutaria var. hispida L. Gross, L. Moore 2000-6-5 211 Los Angeles Verdugo Mountains Canyon east of Brand Canyon by the Brand Lateral Trail out of Brand Park, north of corners of Grandview and Mountain in Glendale. Small, narrow canyon between Brand and Idlewood Canyons. 274 Comment
  UC1400395  Phacelia cicutaria var. hispida Robin S. Collins 1973-5-15 275 Los Angeles Trail Cyn. Angeles National Forest, San Gabriel Mts. 609 Comment
  UCR126818  Phacelia cicutaria var. hispida A. C. Sanders, Mark A. Elvin 2003-6-18 26957 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UCR255506  Phacelia cicutaria var. hispida Dan S. Cooper 2014-6-4 614- 17 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Hollywood Reservoir, eastern edge of perimeter road/Canyon Lake Dr. 233 Comment
  RSA427648  Phacelia cicutaria var. hispida Tom Burch 1949-10-12 s.n. Los Angeles Malibu coast. Comment
  RSA547802  Phacelia cicutaria var. hispida Tim S. Ross, Peter Fritsch 1990-6-20 3600 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
  RSA203068  Phacelia ciliata James Henrickson 1966-4-17 2258 Los Angeles 14 miles east of Gorman along Hy 138. Comment
  JEPS1530  Phacelia curvipes T. Craig 1927-6-8 404 Los Angeles Bear Canyon Trail to Mt. San Antonio San Gabriel Mts. Comment
  RSA426232  Phacelia distans Roy R. Snelling 1977-4-18 8 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  UCD120414  Phacelia distans Daryl Koutnik; Vickie Dawes 1978-4-6 257 Los Angeles South of Palmdale on State Hwy 138 to Little Rock. 816 Comment
  UCR184206  Phacelia distans A. C. Sanders, T. B. Salvato 2007-4-24 33497 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  RSA640250  Phacelia distans Robert F. Thorne, C. W. Tilforth 1971-4-9 41543 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  UCD120468  Phacelia fremontii Geoffrey Levin 1975-5-17 503 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  UCR222764  Phacelia fremontii R. G. Swinney 2009-5-12 10751 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
  RSA421524  Phacelia fremontii Anstruther Davidson 1923-6-1 s.n. Los Angeles [Unspecified] Comment
  RSA426055  Phacelia fremontii Albert J. Perkins 1925-4-8 s.n. Los Angeles Alder Creek 2 mi. E Loonies Ranch. Comment
  SFV21415  Phacelia grandiflora L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1039 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon below the large waterfall where the canyon forks off, near above coordinates. At check dam (man-made waterfall). 393 Comment
  UCR147262  Phacelia grandiflora Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, Near crossing of USFS Road 2N66 and Fern Canyon drainage just west of water tank 768 Comment
  UC1584903  Phacelia hastata subsp. compacta Tim Ross and Steve Boyd 1991-7-24 5595 Los Angeles near intersection of Pacifico Mountain Road x Rountop Truck Road; Pacifico Mountain USGS 7.5' quad., Granite Mountain vicinity 1901 Comment
  UC1046922  Phacelia imbricata L. R. Heckard 1953-6-15 510 Los Angeles about 5 mi s Acton; Northern foothills of San Gabriel Mountains, Arrastre Canyon 914 Comment
  RSA602247  Phacelia imbricata subsp. imbricata R. S. Woglum 1937-7-17 833 Los Angeles North Fork of San Gabriel River. Comment
  UCSB23147  Phacelia imbricata subsp. imbricata Wilken, Dieter 1967-7-15 Los Angeles Near Summit of Mt. Gleason west of Hill Creek Summit, San Gabriel Mtns. 1981 Comment
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Apr 12 2016
  JEPS28420  Phacelia imbricata subsp. patula L. R. Heckard 1953-6-15 505 Los Angeles along road to Tujunga Canyon 1.5 mi below summit (w side of mt.); San Gabriel Mountains, Mt. Gleason; along road to Tujunga Canyon, W side of Mt. Gleason, San Gabriel Mts., Los Angeles Co. 1828 Comment
  RSA587258  Phacelia longipes Orlando Mistretta 1994-5-13 1209 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA656842  Phacelia longipes Valerie L. Soza, LeRoy Gross 2000-6-15 1023 Los Angeles South-facing slope of southeastern extension of Lookout Mountain, below firebreak, ca. 0.25 mile SE of summit. 1860 Comment
  RSA150669  Phacelia lyonii Peter H. Raven 1962-5-8 17602 Los Angeles San Clemente Island: second canyon south of Seal Cove. 30 Comment
  RSA75940  Phacelia lyonii F. W. Peirson 1907-7-1 4120 Los Angeles Catalina Island. Comment
  UC1348876  Phacelia lyonii Robert F. Thorne and P. Everett 1965-6-22 34886 Los Angeles s-facing slope below road to East Mountain (s end of island); Santa Catalina Island 457 Comment
  JEPS1188  Phacelia minor F. W. Peirson 1918-6-4 162 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA82619  Phacelia minor P. A. Munz 1925-4-23 9459 Los Angeles San Gabriel Canyon. 488 Comment
  RSA296802  Phacelia minor Lyman Benson 1947-3-29 12285 Los Angeles Indian Hill, City of Claremont. 427 Comment
  UCSB33971  Phacelia minor Swanson, D. 1978-4-30 Los Angeles Shields Canyon 7 mi. north of Glendale in San Gabriel Mtns. 609 Comment
  CAS-BOT-BC145069  Phacelia mohavensis Le Roy Abrams; E. A. McGregor 1908-7-5 641 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1676 Comment
  SBBG11780  Phacelia parryi H. and M. Dearing 1935-3-9 1501 Los Angeles Mint Cyn Comment
  RSA428165  Phacelia ramosissima var. austrolitoralis R. Bardell s.n. Los Angeles El Segundo. Comment
  RSA339700  Phacelia tanacetifolia Robert F. Thorne 1982-4-20 55001 Los Angeles San Gabriel Mts: Grassy slopes above Little Rock Creek below dams. 976 Comment
  RSA799680  Phacelia tanacetifolia Pam De Vries 2013-4-3 7841 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  UC56895  Phacelia viscida Ernest Braunton 1902-5-27 351 Los Angeles Sherman Comment
  UCR127033  Phacelia viscida Mark A. Elvin 2003-4-9 2472 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  SD38339  Phacelia viscida Edith Purer 1935-5-11 6581 Los Angeles Near Seminole Hot Springs, Hillside Comment
  SEINET12280417  Phacelia viscida Unknown 1933-1 8497 Los Angeles Comment
  POM1061  Phalaris minor I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
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Oct 7 2008
  SBBG105553  Phalaris minor T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5109 Los Angeles 700 ft ENE of North Tank and 2300 ft W of Jack (not Jack Pt) 239 Comment
  SEINET10822455  Phalaris minor John Quincy 1891-4-30 Fritchey 32 Los Angeles South of Los Angeles? Low ground; Telephone road Comment
  UCR281414  Phoenix canariensis R. G. Swinney 2014-5-19 16592 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  SD241089  Pholisma arenarium Jeremiah George 2011-7-12 Los Angeles South Coast: Palos Verdes Estates, just off Palos Verdes Drive North (Redondo Beach 7.5'Q) Comment
  RSA592519  Pholistoma auritum Mark Hoefs, D. Propst 1973-3-14 80 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  UC56875  Pholistoma auritum W. A. Setchell 1901-3-13 Los Angeles Los Angeles, Elysian Park Comment
  UC881292  Pholistoma auritum I. Johnston 1917-3-29 1249 Los Angeles above Claremont Claremont Comment
  RSA459256  Pholistoma auritum Martha Hilend 1928-4-18 201 Los Angeles Griffith Park. Comment
  CAS-BOT-BC222549  Pholistoma auritum var. auritum Reid Moran 1941-3-7 684 Los Angeles Middle Ranch, Santa Catalina Island Comment
  LA35912  Pholistoma auritum var. auritum Peter H. Raven; 1960-4-2 14856 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.7 mi. NW of Topanga Canyon 243 Comment
  CATA171  Pholistoma racemosum Mark L. Hoefs, A. Douglas Propst 1973-4-6 135 Los Angeles Santa Catalina Island: Middle of Cape Canyon, southeast exposure 304 Comment
  RSA3551  Pholistoma racemosum Carl B. Wolf 1932-5-9 3495 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 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
  SBBG18721  Pholistoma racemosum E. R. Blakley 1963-4-9 5559 Los Angeles Santa Catalina Island 15 Comment
  RSA420806  Phoradendron macrophyllum L. E. Hoffman 1932-2-27 s.n. Los Angeles Big Rock Creek Comment
  RSA573665  Phoradendron macrophyllum Vanessa Ashworth 1994-8-24 65 Los Angeles RSABG grounds (NW sector near beginning of California Communities section). Comment
  UCR95510  Phoradendron macrophyllum L. C. Wheeler 1966-10-12 8979 Los Angeles San Gabriel Mtns., San Gabriel Canyon, E fork, 0.25 mi upstream from Heaton Flat 610 Comment
  UCR129936  Phoradendron pauciflorum Orlando Mistretta, T. S. Ross 1994-6-1 1289 -A Los Angeles San Gabriel Mtns, Santiago Canyon. Pacifico Mtn, near top of Santiago Canyon 1966 Comment
  POM3999  Phyla lanceolata L. R. Abrams 1901-6-11 1749 Los Angeles New River near Long Beach. Comment
  RSA655470  Physalis philadelphica LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-29 273 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: West of 210 freeway, downstream from the Tujunga Ponds close to south side of channel (near the old gravel pit) north of Wentworth Street. 325 Comment
  SD262334  Phytolacca americana var. americana R. G. Swinney 2014-6-5 16724 Los Angeles San Gabriel Mountains: Glendora , 0.48 miles north of Sierra Madre Ave, at Rainbow Dr (Glendora 7.5'Q) 381 Comment
  RSA169040  Pinus jeffreyi Mark Parratt 1964-2-6 602 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UCR256247  Pinus jeffreyi R. G. Swinney 2010-9-21 13847 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  CAS-BOT-BC78872  Pinus monophylla Geo. B. Grant 1901 to 1905 989 Los Angeles From Mt. Lowe Comment
  POM184701  Pinus ponderosa Joseph A. Ewan 1932-5-29 7218 Los Angeles Open forest on summit of Mt. Gleason 1890 Comment
  CDA20542  Piptatherum miliaceum M. O'Brien 2005-7-3 MOB 4 -05 Los Angeles South Coast; La Piedra State Beach. 0 Comment
  RSA596106  Piptatherum miliaceum Mark Hoefs, S. Junak, J. Takara, M. Grey 1995-7-12 2365 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  RSA628628  Piptatherum miliaceum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  UC1587210  Piptatherum miliaceum Tim Ross 1991-5-20 5358 Los Angeles 3300 ft nw 750 ft BM (upper reaches of drainage); San Clemente, Wilson Cove Canyon drainage 141 Comment
  UCR129397  Piptatherum miliaceum A. C. Sanders, Mark Elvin 2002-6-20 25250 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR162056  Piptatherum miliaceum Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  UC1605454  Pittosporum undulatum Tim Ross 1993-4-23 6931 Los Angeles Santa Catalina Island SW part of the island in Middle Canon; riparian strip ca 30 m SE of Eagles Neste Lodge, Santa Catalina South USGS 7.5' quad. 144 Comment
  RSA593451  Plagiobothrys arizonicus Steve Boyd 1996-4-24 8652 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCD120761  Plagiobothrys arizonicus Daryl Koutnik; Bruce Holguin 1978-4-1 206 Los Angeles Sierra Pelona Valley, west side of Anthony Road, north of Sierra Hwy. 890 Comment
  UCR189249  Plagiobothrys arizonicus R. G. Swinney 1998-5-16 6079 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA713821  Plagiobothrys canescens A. C. Sanders 2003-4-30 26227 Los Angeles Western San Gabriel Mtns: Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property. 10 Comment
  SD69475  Plagiobothrys collinus var. gracilis Robert F. Thorne 1966-4-5 35804 Los Angeles Santa Catalina Island; west slope of Black Jack Mountain. 518 Comment
  RSA752461  Plagiobothrys nothofulvus Justin M. Wood 2009-4-22 532 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UCR186963  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31974 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  POM257562  Plantago coronopus Carl B. Wolf 1932-5-12 3599 Los Angeles Santa Catalina Island: between Little Harbor and Cottonwood Creek. 46 Comment
  RSA401955B  Plantago coronopus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  POM158294  Plantago coronopus M. B. Dunkle 1928-4-29 1911 Los Angeles Low ground, foot of hill Little Harbor. 5 Comment
  SEINET3161440  Plantago erecta G. B. Grant 1906-4-2 1104 Los Angeles Altadena Comment
  RSA250675  Plantago erecta Robert F. Thorne 1971-3-31 41461 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  UCR194190  Platanthera sparsiflora R. G. Swinney 1998-7-29 6547 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  SEINET1908721  Platanthera sparsiflora R. G. Swinney 1998-1 Los Angeles Comment
  SEINET3818341 Image available Platanthera sparsiflora R. G. Swinney 1998-7-14 6415 Los Angeles San Gabriel Mountains; Columbine Spring north slope of pine Mountain Ridge and flowing into Prarrie Fork 0.3 miles south of Camp Lupine 2195 Comment
  CAS-BOT-BC434253  Platanus racemosa T. B. Salvato; H. Spencer Badet; Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  RSA656130  Platanus racemosa Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 668 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
  UCR185395  Plectritis ciliosa A. C. Sanders, T. B. Salvato 2007-4-25 33552 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  CATA2956  Pluchea odorata Sarah Ratay, Ruth Ratay 2006-9-21 100 Los Angeles Santa Catalina Island: Coffeepot canyon 0 Comment
  RSA472106  Pluchea odorata F. R. Fosberg 1919-10-18 4116 Los Angeles N* Slough. [locality name change to Laguna Dominguez] 10 Comment
  RSA697114  Pluchea sericea Anonymous s.n. Los Angeles Santa Monica Mountains Comment
  RSA788826  Poa pratensis Jane Tirrell, Shirley Imsand 2012-7-6 LS 0089 Los Angeles Little Jimmy Springs 2263 Comment
  UCR223334  Poa pratensis R. G. Swinney 2009-5-27 10859 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223571  Poa pratensis R. G. Swinney 2009-6-3 11031 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
  UCR95532  Poa pratensis Steve Boyd 1996-4-25 8697 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienega Canyon, south of Liebre Mtn 951 Comment
  SEINET10659369  Poa scabrella Unknown 1926-4-10 C s.n. Los Angeles Santa Susan na a Pass. Comment
  SBBG133133  Poa secunda S. A. Junak 1996-4-12 SCI- 302 Los Angeles valley just NE of rd of Horse Beach Cyn, just W of rd to Pyramid Rd, ca. 2.85 mi SE of "Thirst" 396 Comment
  UCR191784  Poa secunda R. G. Swinney 1998-7-8 6333 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR223559  Poa secunda R. G. Swinney 2009-6-2 10983 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC236207  Poa secunda subsp. secunda LeRoy Abrams 1903-3-8 3105 Los Angeles Near Inglewood Comment
  CATA191  Poa secunda subsp. secunda Mark L. Hoefs, A. Douglas Propst 1973-4-6 161 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  LA12629  Poa secunda subsp. secunda Louis Wheeler; April 1932 565 Los Angeles Antelope Valley, 4 mi. WSW Fairmont 914 Comment
  CHSC46009  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Along nursery path, McCaskill Gardens, 25 South Michillinda Avenue, Pasadena. Comment
  UC109720  Polygala cornuta var. fishiae A. J. McClatchie June 1893 Los Angeles Old Wilson trail Comment
  RSA608020  Polygonum arenastrum Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  UCR108376  Polygonum aviculare L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: 17th Street at Gaffey Street 29 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
  RSA464417  Polygonum aviculare subsp. aviculare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  RSA620047  Polygonum lapathifolium LeRoy Gross 1998-11-1 91 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  RSA654557  Polygonum lapathifolium Benjamen Rangel 1992-4-11 777 5 a Los Angeles Behind the Olivos Commons at Cal Poly Pomona University. Comment
  RSA466373  Polygonum punctatum E. S. Spalding 1923-10-11 s.n. Los Angeles Near Dahlia farm, La Canada road Comment
  POM158007  Polypodium californicum M. B. Dunkle 1928-3-11 1720 Los Angeles Silver Canyon, Santa Catalina Island 168 Comment
  RSA601312  Polypodium californicum L. C. Wheeler 1933-5-1 1678 Los Angeles Santa Monica Mountains, Rustic Canyon 61 Comment
  UC223679  Polypodium californicum C. F. Millspaugh 1920-1-28 4637 Los Angeles Lover's Cove; Santa Catalina Isl. 91 Comment
  UCR200146  Polypodium californicum Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 799 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  UCR270475  Polypodium californicum R. G. Swinney 2011-11-1 15936 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR93566  Polypodium californicum R. Hood 1967-3-19 5 Los Angeles Los Angeles, Griffith Park, Mineral Wells. 518 Comment
  UCSB62387  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon Comment
  RSA689889  Polypodium californicum May N. Ackley 1940-11 269 Los Angeles Los Angeles Comment
  UCSB62303  Polypodium californicum Kiefer, Lawrence 1967-2-13 Los Angeles San Gabriel Mtns., unnamed tributary of the N fork of Pacoima Canyon, by the road ca. 3/4mi below N Fork Saddle, ca. 3/4mi N of the road 1219 Comment
  UCSB62322  Polypodium californicum Kiefer, Lawrence 1966-6-5 Los Angeles San Gabriel Mtns., W of Mt. Baldy Village, Bar Canyon Trail 1402 Comment
  UCSB62409  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  RSA0021955  Polypogon maritimus Duncan S. Bell, Caitlin Elam 2013-6-24 5295 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  CAS-BOT-BC232406  Polypogon monspeliensis Joseph Andorfer Ewan 1936-8-6 9471 Los Angeles Head of Cedar Canyon off Mescal Canyon 1981 Comment
  CAS-BOT-BC237505  Polypogon viridis Le Roy Abrams 1901-7-1 1868 Los Angeles West Fork of San Gabriel River Comment
  POM1139  Polypogon viridis D. L. Crawford, E. K. Balls 1916-5-20 715 Los Angeles Mountains above Claremont. Comment
  RSA0082569  Polypogon viridis R. G. Swinney 2010-9-7 13726 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 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
  RSA0110552  Populus balsamifera subsp. trichocarpa Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 771 Los Angeles Santa Catalina Island: Lower portion of Silver Canyon, ca 0.5 air miles inland from beach. 36 Comment
  RSA777881  Potentilla glandulosa R. G. Swinney 2009-6-8 11105 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0091098  Potentilla glandulosa subsp. ewanii R. G. Swinney 2011-8-17 15641 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  LA52092  Potentilla glandulosa subsp. glandulosa A. M. Johnson; 1929-4-20 4428 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  LA52094  Potentilla glandulosa subsp. glandulosa Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA191368  Prunella vulgaris subsp. lanceolata Robert F. Thorne, M. Z. Thorne 1967-7-19 37178 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  SEINET10629187  Prunus dulcis Heidi H. Schmidt 1999-10-10 Schmidt 3909 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  RSA657203  Prunus ilicifolia Joseph M. Keefe 2001-1-19 30984 Los Angeles Verdugo Mountains: Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles. 385 Comment
  RSA587027  Prunus virginiana var. demissa Orlando Mistretta 1994-6-15 1359 Los Angeles San Gabriel Mountains: Santiago Canyon. Side drainage entering Santiago Canyon from the W, about 3 miles S of confluence of Santiago Creek and Little Rock Creek. 1585 Comment
  UCR149522  Prunus virginiana var. demissa R. G. Swinney 1997-6-25 5653 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  LA200197  Pseudognaphalium biolettii James Lauter; 1953-3-21 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA600127  Pseudognaphalium biolettii L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon along Ferguson Motorway. 480 Comment
  SBBG10193  Pseudognaphalium biolettii K. A. Wilson 1961-3-10 Los Angeles Old Topanga Cyn Rd, ca 0.25 mi W of Topanga Cyn Rd; Santa Monica Mts Comment
  SD253394  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14164 Los Angeles San Gabriel Mts.: Glendora, east side of Mulla Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  UC2052835  Pseudognaphalium biolettii M. B. Dunkle 1939-4-4 7250 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  UCR71237  Pseudognaphalium biolettii Steve Boyd, T. Ross, L. Arnseth 1990-4-8 4357 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  CATA1197  Pseudognaphalium biolettii Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2216 Los Angeles Santa Catalina Island: White's Landing, sea bluff and open, falt areas bordering beach 6 Comment
  UC1595459  Pseudognaphalium californicum Tim Ross 1992-4-27 6238 Los Angeles sw of RSA grounds (s side of Indian Mesa Hill, area bulldozed in November 1992 for expansion of the Claremont School of Theology, Ontario USGS 7.5 ft quadrangle); Claremont, Indian Mesa Hill 393 Comment
  RSA579221  Pseudognaphalium stramineum Timothy S. Ross, Steve Boyd 1994-7-7 8160 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  CAS-BOT-BC80067  Pseudotsuga macrocarpa W. R. Dudley; F. H. Lamb 1896-6-8 4362 Los Angeles King's Canyon, Liebre Mountains Comment
  SBBG122106  Psilocarphus brevissimus var. brevissimus A. Parikh, N. Gale 2003-5-24 740 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  UCR124250  Psilocarphus tenellus var. tenellus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  CAS-BOT-BC421197  Pterostegia drymarioides Reid Moran 1941-2-17 576 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA392914  Pterostegia drymarioides Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  SBBG98618  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5338 Los Angeles between Box and Horse Cyns 484 Comment
  UC284787  Pterostegia drymarioides P. A. Munz 1923-4-8 6601 Los Angeles at Wilson's Cove San Clemente Isl. Comment
  RSA0042317  Pulicaria paludosa Benjamin E Carter, John R. Clark, Elizabeth Baniaga 2012-7-24 6907 Los Angeles Channel Islands: Santa Catalina Island. Big springs, at road crossing just east of Little Harbor. 3 Comment
  RSA0080437  Purshia glandulosa R. G. Swinney 2010-5-19 12786 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCR255772  Purshia glandulosa R. G. Swinney 2010-5-12 12704 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
  RSA451423  Purshia tridentata var. glandulosa N. C. Cooper 1948-4-21 2669 Los Angeles Little Rock. 762 Comment
  RSA401592B  Pycnanthemum californicum Louis C. Wheeler 1933-8-14 2083 Los Angeles San Dimas Canyon. 640 Comment
  LA201752  Pyracantha angustifolia Arthur C. Gibson; 2001-5-18 4812 Los Angeles 518 Comment
  UCR189830  Pyrola dentata R. G. Swinney 1998-7-21 6460 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 200 m east of Camp Lupine trail junction at Fish Fork Trail 2220 Comment
  CAS-BOT-BC45787  Quercus Geo. B. Grant 1902-8-6 s.s. Los Angeles Dry Hills, Avalon, Santa Catalina Id. Comment
  RSA719929  Quercus X grandidentata R. G. Swinney 1997-9-27 5882 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  SBBG95271  Quercus X macdonaldii M. B. Dunkle 1928-3-31 1802 Los Angeles Cottonwood Cyn Comment
  RSA0085286  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA0085066  Quercus agrifolia var. agrifolia Ma. Elena Siqueiros 1997-3-8 D- 4366 Los Angeles Bernard Biological Field Station, NW corner of Mills Ave. and Foothill Blvd., Claremont; west of main road on Foothill entrance, 60m from main gate, left side of road. 412 Comment
  SBBG98856  Quercus agrifolia var. agrifolia E. R. Blakley 1991-11-20 7464 Los Angeles Canton Cyn, NE of Piru Lake 762 Comment
  CDA21843  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles 11.4 miles west of Palmdale, beside road to Elizabeth Lake. 0 Comment
  SEINET238519  Quercus berberidifolia A. C. Sanders, D. Malueg 1998-6-22 22035 Los Angeles San Gabriel Mtns.: La Canada SCE Gould Substation off Hwy 2 Gould Canyon. 595 Comment
  CAS-BOT-BC62574  Quercus chrysolepis Grimmell 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  JEPS38050  Quercus chrysolepis Ernest Braunton 1928-7-6 Los Angeles n of Monrovia; Santa Anita Canyon Comment
  LA30777  Quercus chrysolepis Jo Ann W. Flock; 1958-12-20 14 Los Angeles Angeles National Forest, Upper Shake Public Camp, Sawmill Mt 1219 Comment
  UCSB27897  Quercus douglasii R. Gill 1959-3-24 55 Los Angeles RIDGE ROUTE OAK FLAT GUARD STATION 822 Comment
  IRVC1352  Quercus dumosa Gordon A. Marsh 1965-8-1 15 Los Angeles Twin harbors. Comment
  SBBG125060  Quercus durata var. gabrielensis A. Parikh, N. Gale 2010-6-25 3364 Los Angeles Upper Van Tassel Cyn, 0.2 km SW of Mount Bliss 1080 Comment
  UCD45985  Quercus durata var. gabrielensis Jack Delaini; Ken Zakar 1974-4-30 164 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 853 Comment
  LA205293  Quercus engelmannii Louis Wheeler; 1932-9-7 1353 Los Angeles 2 mi. NE of La Verne 403 Comment
  UCD170867  Quercus ilex R. G. Swinney 2009-6-27 11287 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge. 194 Comment
  RSA587491  Quercus john-tuckeri Orlando Mistretta 1994-9-13 1476 Los Angeles Santiago Canyon; Santiago Creek near junction of Forest Road 4N20 and BM 3980. 1213 Comment
  SEINET5644470  Quercus kelloggii Tim Ross, Steve Boyd; Orlando Mistretta; Peter Fritsch; Alex Quici 1990-6-27 3882 Los Angeles Liebre Mtn. N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevation between 4880-5680.; 0 Comment
  RSA477324  Quercus lobata G. R. Johnstone 1931-10-24 14029 Los Angeles Santa Susanna Mts. 915 Comment
  SFV892  Quercus lobata P. G. Kilburn 1957-10-31 534 Los Angeles San Fernando Valley Chatsworth Circle Road opposite Chatsworth Reservoir, 150 feet east of road. 275 Comment
  UC219168  Quercus lobata P. A. Munz, R. D. Harwood 1920-5-17 3999 Los Angeles San Fernando Valley 76 Comment
  SBBG21460  Quercus pacifica D. E. Breedlove 1961-9-23 1268 Los Angeles S side of Fourth of July Cove 30 Comment
  CAS-BOT-BC258365  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 240 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  RSA485827  Quercus tomentella T. S. Elias 1988-2-10 10665 Los Angeles San Clemente Island: Dead Man's Curve adjacent to Eagle Canyon, East side of island Comment
  UCR143424  Quercus tomentella Larry E. DeBuhr, G. D. Wallace 1972-9-2 700 Los Angeles Channel Islands, San Clemente Island; In the second large canyon north of Lemon Tank 366 Comment
  CAS-BOT-BC104854  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-5-4 7656 Los Angeles Liebre Mountains. Grass Mountain: ridgetop saddle between the main summit and the NE summit 1383 Comment
  CAS-BOT-BC104871  Quercus wislizeni Ernest C. Twisselmann 1956-9-14 3167 Los Angeles San Emigdio Range. Upper end of Castaic Valley 1188 Comment
  RSA0098828  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA579572  Quercus wislizeni var. frutescens Tim S. Ross, Steve D. Boyd 1994-9-20 8245 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  SBBG59043  Quercus wislizeni var. wislizeni R. Hoffmann 1927-6-14 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  LA200258  Rafinesquia californica Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA399384  Ranunculus californicus Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  POM303769  Ranunculus californicus Lyman Benson 1948-4-25 12863 Los Angeles First summit southwest of Pomona, Brea Canyon Rd. San Jose Hills, mt. range; Pacific slope drainage area, Oak Woodland; north slope. 305 Comment
  RSA609516  Ranunculus californicus Louis C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  SEINET3160890  Ranunculus californicus G. B. Grant 1109 Los Angeles Lincoln Park Comment
  SBBG32146  Ranunculus hebecarpus R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -211 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  RSA0112065  Raphanus raphanistrum Steven A. Junak 2000-5-6 SCa- 1277 Los Angeles Santa Catalina Island. Just N of Upper Quarry Road, ca 2.4 mi. W of junction w/road to housing at Empire Landing. 289 Comment
  UCR91301  Raphanus sativus B. G. Pitzer, Paul Gomez 1996-4-28 2739 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  RSA614147  Rhamnus californica Valerie L. Soza 1997-4-11 36 Los Angeles Bernard Field Station of the Claremont colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. 412 Comment
  UC870779  Rhamnus californica Louis C. Wheeler 1932-7-2 909 Los Angeles Browns Flat San Gabriel Mts. 1310 Comment
  IRVC27802  Rhamnus crocea A. C. Sanders, T. B. Salvato 2005-4-26 29745 Los Angeles Santa Clarita area; S of Plum Cyn at end of Canyon Crest Dr, NW of mouth of Mint Cyn. Western San Gabriel/Liebre Mtns Region 488 Comment
  CAS-BOT-BC55985  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 s.n. Los Angeles 1/2 mile East of Montrose Comment
  RSA390807  Rhamnus ilicifolia Donald R. Bissing 1973-5-4 60 Los Angeles Evey Canyon; San Gabriel Mts: ca. 1.2 miles from canyon mouth. 902 Comment
  RSA391045  Rhamnus ilicifolia Mable Emler 1929-7-30 s.n. Los Angeles Topanga Canyon. Comment
  SD80071  Rhamnus ilicifolia Nancy Ryan Zabriskie, Walter Zabriskie 1970-4-12 282 Los Angeles East bank of Arroyo Seco, down stream from La Loma Street bridge, extreme southwest area of Pasadena. 213 Comment
  SBBG13072  Rhamnus pirifolia E. R. Blakley 1962-6-9 5120 Los Angeles head of a rocky cyn between Triangulation Pts "Chenity" and "Rest" 335 Comment
  SEINET10692947  Rhus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2500 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  RSA675870A  Rhus integrifolia LeRoy Gross 2003-3-7 778 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., A short distance east from Lat., Long., 34 deg 15' 12.2'' N, 118 deg 19' 16.8''W. 518 Comment
  SD69449  Rhus integrifolia Robert F. Thorne, P. Everett 1965-6-22 Los Angeles Santa Catalina Island: South of Avalon golf course in open, flat, sandybottom of Avalon Canyon 89 Comment
  UC17930  Rhus integrifolia Blanche Trask Jan. 1896 Los Angeles Santa Catalina Island, Avalon Comment
  UCR13460  Rhus integrifolia O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  SEINET12235097  Rhus laurina I. W. Clokey, Templeton, B. 1929-1 4588 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  SBBG95410  Rhus ovata M. B. Dunkle 1928-3-11 1723 Los Angeles Grand Cyn 6 Comment
  SEINET13387053 Image available Rhus ovata R. G. Swinney 2011-1 14083 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  UCSB3760  Rhus ovata Olsen, Meryl 1954-4-15 Los Angeles In Claremont; San Gabriel Mts. 365 Comment
  SEINET6058620  Rhus trilobata Steve Boyd, Wall, M. 1996-5-16 8792 Los Angeles Liebre Mountains. Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain. Along Ruby Canyon Road ca 0.9 mi east of junction with Lake Hughes Road. Comment
  LA212306  Rhus trilobata Lee Haines; 1935-7-4 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Little Dalton. Comment
  RSA476436  Ribes aureum var. gracillimum Robert Gustafson, Gary D. Wallace 1982-4-14 2507 Los Angeles Gold Hill, Monrovia; southern base of the San Gabriel Mts. Comment
  RSA647930  Ribes aureum var. gracillimum Michelle Manolovitz, Brian Willie 1992-4-27 5 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  SBBG15834  Ribes aureum var. gracillimum W. G. Webb 1935-1-26 Los Angeles Mount Verdugo near Glendale Comment
  SD253553  Ribes californicum R. G. Swinney 2011-3-26 14211 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  CAS-BOT-BC93089  Ribes californicum var. hesperium Ernest Braunton 1903-1-15 766 Los Angeles Glendora. Comment
  UC1127401  Ribes californicum var. hesperium A. Lewis Feb 1934 275 Los Angeles Head of Grapevine Canyon Angeles National Forest, San Fernando Quadrangle Comment
  UC73094  Ribes californicum var. hesperium E. D. Palmer Nov 1901 Los Angeles foothills Garvanza Comment
  CAS-BOT-BC93402  Ribes cereum Le Roy Abrams; E. A. McGregor 1908-7-3 619 Los Angeles North Baldy Mountain, San Gabriel Mountains. 2743 Comment
  HSC24466  Ribes cereum R. F. Thorne, M. Z. Thorne 1969-7-9 38577 Los Angeles Angeles National Forest, at Big Pines 2073 Comment
  UC741681  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash El Monte 91 Comment
  CAS-BOT-BC108895  Ribes divaricatum var. pubiflorum Clarence R. Quick 1940-3-20 s.n. Los Angeles El Monte. Comment
  RSA549567  Ribes indecorum Tim S. Ross 1991-3-10 4225 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  SBBG108900  Ribes malvaceum var. clementinum S. A. Junak 1997-3-12 SCl 763 Los Angeles upper part of second cyn S of Camera Pad "Malo", just above small fork coming into cyn from S side 335 Comment
  POM48027  Ribes malvaceum var. viridifolium C. F. Baker 1903-9-17 4065 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA250473  Ribes nevadense Robert F. Thorne 1967-10-10 37365 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR147799  Ribes nevadense Valerie Soza, LeRoy Gross 2000-6-13 997 Los Angeles San Gabriel Mountains, Spring along Burkhart Trail (FS trail 10W02), from Buckhorn Flat to Cooper Canyon, c. 0.8 mi along trail from Buckhorn Flat trailhead 1845 Comment
  CAS-BOT-BC186161  Ribes roezlii var. roezlii I. M. Johnston 1917-6-15 1271 Los Angeles Head of Icehouse Canon [Canyon] 2286 Comment
  UCSB50280  Ricinus communis Reisentz, Paul 1975-5-10 Los Angeles Twin Falls Reserve, 1 mile east of Stunt Rd. from Mulholland Hwy. 274 Comment
  SBBG65646  Rigiopappus leptocladus R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  CAS-BOT-BC92171  Romneya coulteri var. coulteri S. B. Parish; W. F. Parish 1882-10-1 393 Los Angeles Santa Ana River. Comment
  CHSC83250  Rorippa nasturtium-aquaticum Margie Graham 2002-5-17 Los Angeles San Gabriel Mountains, Western Transverse Ranges. South of Pyramid Dam. In Piru Creek. 701 Comment
  UC729762  Rorippa nasturtium-aquaticum Carl B. Wolf 1932-5-12 3606 Los Angeles near bridge on lower road to Isthmus (Middle Ranch Canyon, Santa Catalina Island); Santa Catalina Island, Middle Ranch Canyon 30 Comment
  UCR150627  Rorippa palustris subsp. occidentalis Scott D. White 1997-5-8 5094 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  SD260300  Rosa californica R. G. Swinney 2011-6-1 14938 Los Angeles San Gabriel Mountains: Mill Creek, 0.1 - 0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy. 1096 Comment
  UC212616  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio Canyon, San Antonio Mountains 1600 Comment
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Jun 12 2012
  RSA587988  Rosa woodsii subsp. gratissima Orlando Mistretta, Tim S. Ross 1994-6-1 1308 Los Angeles San Gabriel Mountains, Santiago Canyon, 1585 Comment
  CAS-BOT-BC158819  Rubus ursinus Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2973 Los Angeles Margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air-miles ENE of Barley Flats) - Upper Big Tujunga Canyon, San Gabriel Mountains 1231 Comment
  CATA3209  Rubus ursinus Julie L. King 2016-11-22 28 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  LA52074  Rubus ursinus A. M. Johnson; 1928-2-16 43 b Los Angeles 121 Comment
  POM366431  Rubus ursinus Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA720188  Rubus ursinus LeRoy Gross 2007-3-13 2606 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  RSA746633  Rubus ursinus R. G. Swinney 2008-4-10 8631 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  UCSB2943  Rubus ursinus Ballard 1954-4-20 Los Angeles Little Dalton Canyon near Glendora 350 Comment
  CAS-BOT-BC433246  Rumex crispus Le Roy Abrams 1901-6-1 1731 Los Angeles Ballona Creek Comment
  UCR108199  Rumex hymenosepalus Jeanne Gural, Valerie Soza, Damian Ross, M. E. Siqueiros D. 1997-3-8 21 Los Angeles Bernard Field Station [Claremont], of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  UCR124944  Rumex hymenosepalus B. C. Templeton, I. W. Clokey 1930-5-13 1454 Los Angeles Western San Gabriel Mtns., Mint Canyon 854 Comment
  CAS-BOT-BC433574  Rumex hymenosepalus Lillian Mott 1974-4-15 30 LM74 Los Angeles 25 miles east of Lancaster and five miles east of Hi Vista 853 Comment
  CAS-BOT-BC433756  Rumex pulcher LeRoy Abrams 1902-5-31 2479 Los Angeles Inglewood. Comment
  CATA1094  Rumex salicifolius Mark L. Hoefs 1995-5-16 2044 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UC56031  Rumex salicifolius var. salicifolius J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  CAS-BOT-BC103146  Salix bonplandiana Geo. B. Grant Apr. 4 3723 Los Angeles Los Angeles River Comment
  RSA0115859  Salix exigua Steven A. Junak 1999-5-6 SCa- 887 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, just inland from creek mouth. 6 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
  POM362596  Salix laevigata Robert Gustafson 1981-3-18 2128 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA347573  Salix laevigata Barry A. Prigge 1986-3-20 6960 Los Angeles Medea creek, just north of Paramount Ranch State Park. 232 Comment
  SBBG59086  Salix laevigata C. W. Sharsmith 1932-1-17 11 Los Angeles San Gabriel Cyn, ca. 9.5 km above Azusa 91 Comment
  SEINET3158568  Salix laevigata G. B. Grant 1153 Los Angeles Pasadena Comment
  POM362730  Salix lasiolepis H. L. Bauer 1931-3-1 s.n. Los Angeles Tunas Canyon near Topanga Canyon. Comment
  POM49283  Salix lasiolepis L. W. Nuttall 1920-5-18 s.n. Los Angeles Santa Catalina Island. Big Wash Canyon. Comment
  RSA233366  Salix lasiolepis Arthur C. Gibson, Linda Gibson 1972-3-4 2779 Los Angeles Next to Zuma Beach near Point Dume. Comment
  UC492421  Salix lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  UC492439  Salix lasiolepis F. R. Fosberg 1931-1-26 7179 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon 225 Comment
  UCR203259  Salix lasiolepis R. G. Swinney 2005-7-11 8301 Los Angeles San Gabriel Mountains, Juniper Hills, Pallet Creek 0.4 mile south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  UC506410  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-6-29 7672 Los Angeles Area 4; Tree 8 Comment
  UCSB18522  Salix lasiolepis Hurst, Linda 1963-2-27 Los Angeles 300 feet north of Tigertail Road, 2 miles northeast of Sunset Blvd., 10 miles east of U.S. Highway 101 518 Comment
  CAS-BOT-BC107525  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7178 Los Angeles on flood plain of Los Angeles River, at foot of Cahuenga Pass grade 180 Comment
  CAS-BOT-BC107547  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 9 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  SEINET5586220  Salsola australis A. C. Sanders, Dan S. Cooper 2010-1 38572 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. 24 Comment
  UCR272353  Saltugilia splendens subsp. splendens R. G. Swinney 2011-6-20 15232 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA424325  Salvia apiana William Emboden 1970-6-12 29 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  SFV15600  Salvia apiana K. C. Molina, K. L. Garrett 1992-5-2 5 Los Angeles San Fernando Valley Tujunga Wash, 0.5 km northwest of Wescott Ave. In gravel washbed. 385 Comment
  UCR133605  Salvia apiana Sherwin Carlquist 1983-7-20 15803 Los Angeles Canyon between chapel and gynasium, Webb School, Claremont 427 Comment
  RSA0081520  Salvia carduacea R. G. Swinney 2010-5-12 12763 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR186974  Salvia carduacea A. C. Sanders 2006-4-10 31988 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  POM6755  Salvia columbariae P. A. Munz, L. T. Street, G. Williams 1919-3-15 2401 Los Angeles South Hills, Pomona. Comment
  RSA660834  Salvia columbariae Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 25 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  UCR198510  Salvia columbariae Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  HSC14348  Salvia columbariae M. B. Walsh 1966-4-6 - 67 Los Angeles Near Juniper Hill Amphitheater on Juniper Hill Rd. off Hwy. 138 Comment
  CHSC95745  Salvia dorrii var. pilosa LeRoy Gross 2005-5-3 2240 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
  OBI44789  Salvia dorrii var. pilosa David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20048 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  JEPS62725  Salvia leucophylla W. L. Jepson 1920-5-3 8928 Los Angeles Castaic sta. 975 Comment
  UCR260327  Salvia leucophylla R. G. Swinney 2010-5-4 12552 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CATA58  Salvia mellifera USC Wrigley Interns: Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 36 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  RSA580985  Salvia mellifera Catherine A. Mish 1995-3-4 10 Los Angeles Santa Susana Mtns, Eddleston Park 400 Comment
  RSA725766  Salvia mellifera A. C. Sanders, Mark A. Elvin 2003-5-1 26283 Los Angeles Westrn San Gabriel Mtns.: NE side of Castaic Msa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  UCR127217  Salvia mellifera A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26283 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR219443  Salvia mellifera R. G. Swinney 2009-3-28 10201 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UC440401  Salvia spathacea Carl Epling and Lincoln Constance 1929-5-18 Los Angeles Topango Canyon; Santa Monica Mountains Comment
  UCR261112  Salvia spathacea Joseph Cahill, Erik Jordan 2013-2-24 213- 1 Los Angeles Santa Monica Mountains, Backbone Trail about 1.2 miles SW from Malibu Canyon Rd., on trailside 524 Comment
  RSA477551  Sambucus mexicana Ella M. Kennedy 1923-3-5 s.n. Los Angeles Pasadena. Comment
  RSA611612  Sambucus mexicana J. Gural 1997-3-19 29 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Blvd. 412 Comment
  RSA720249  Sambucus mexicana LeRoy Gross 2007-4-27 2652 Los Angeles Southern front of the range; Sherer Canyon. West branch of this canyon. At some old foundations, power lines running up the ridge north of here. 288 Comment
  UC1584922  Sambucus mexicana Tim Ross 1991-4-8 4478 Los Angeles Elephant Hill San Dimas 7.5' quadrangle, western Pomona (n slope) 265 Comment
  UC1595410  Sambucus mexicana Tim Ross and Annette H. Ross 1991-7-29 5699 Los Angeles Elephant Hill San Dimas 7.5 ft quad, Puente Hills, W Pomona (ne slope of e summit area, n-most point of hills,) 321 Comment
  UC398769  Sambucus mexicana Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  UC472172  Sambucus mexicana J. Ewan 1931-10-24 5275 Los Angeles 1/2 mi below Seminole Hot Springs; Santa Monica Mountains 396 Comment
  UCR117109  Sambucus mexicana A. C. Sanders, D. Malueg 2001-5-17 24327 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCR215157  Sambucus mexicana Kimberly Doughty, Darran Doughty 2008-5-24 10 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  OBI35605  Sambucus nigra subsp. caerulea Rebecca Cicoria 1981-5-17 32 Los Angeles Sepulveda cyn, just off Crest Rd., Rolling Hills Comment
  SBBG95262  Sambucus nigra subsp. caerulea M. B. Dunkle 1928-5-28 1984 Los Angeles Avalon Cyn 38 Comment
  SD85187  Sambucus nigra subsp. caerulea E. R. Blakley 1962-10-4 5414 Los Angeles Santa Catalina Island, Howlands Landing at Sullivans Beach 4 Comment
  UCR256206  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-19 12844 B Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  LA82085  Sambucus nigra subsp. canadensis O. H. Kappler; 1940-5-31 40 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG131712  Sanicula crassicaulis S. A. Junak 1999-5-21 SCa 987 Los Angeles W side of Coffee Pot Cyn, just upstream from rd crossing, adjacent to creekbed 411 Comment
  RSA748363  Sanicula tuberosa Scott D. White, Justin M. Wood 2009-5-6 12661 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UC57479  Sarcostemma cynanchoides subsp. hartwegii J. H. Barber 1898-8-7 Los Angeles Santa Monica Forestry Station Comment
  LA50744  Saxifraga californica A. M. Johnson; 1935-2-22 4548 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA579239  Schinus terebinthifolius T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7410 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  RSA573463  Schismus arabicus Timothy S. Ross 1992-5-8 6303 Los Angeles Glendora Ridge Road; N side of ridge at head of un-named E fork of Oak Canyon. 1015 Comment
  RSA802049  Schismus arabicus Orlando Mistretta, Kristie Haydu 2011-7-20 5958 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  RSA517859  Schismus barbatus Steve Boyd 1986-3-30 1514 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  CATA1363  Schoenoplectus americanus Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2482 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  UCSB24652  Schoenoplectus californicus Love, Milton 1967-5-12 Los Angeles On north side of Malibu Creek Lagoon; ca. 50 ft. east of bridge spanning lagoon, Malibu Comment
  RSA365990  Schoenoplectus pungens Edith A. Purer 1931-8-4 s.n. Los Angeles Hollywood by the sea. Comment
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May 15 2014
  RSA0092238  Scirpus microcarpus R. G. Swinney 2011-5-12 14696 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
  UC1125710  Scrophularia californica Jerome S. Horton 1937-6-10 455 Los Angeles Tanbark; Pomona Quadrangle Comment
  RSA187716  Scrophularia villosa Robert F. Thorne 1966-4-5 35797 Los Angeles Santa Catalina Island, SW of and near Empire Landing 152 Comment
  RSA631078  Scrophularia villosa Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  RSA729844  Scutellaria siphocampyloides R. G. Swinney 1999-6-18 7334 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  CAS-BOT-BC61990  Selaginella asprella Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon 1249 Comment
  CAS-BOT-BC62022  Selaginella bigelovii Tim Ross; Steve Boyd 1991-4-25 4583 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon 731 Comment
  LA200008  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-20 1766 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 3 mi from Topanga on Old Topanga Road. 304 Comment
  SD112057  Selaginella bigelovii Linda Allen, Betsy Carpenter 1975-3-22 Los Angeles Santa Catalina Island, Cape Canyon Comment
  SEINET3074315 Image available Selaginella bigelovii C. F. Shutts 1949-2-14 5 Los Angeles Little Dalton Canyon, San Gabriel Mountains. 430 Comment
  LA5824  Selaginella bigelovii A. M. Johnson; 1934-3-16 4361 Los Angeles SIMI HILLS, Santa Susanna Pass, above Chatsworth. Comment
  JEPS30619  Senecio californicus Donald Kyhos 1958-3-16 58 -26 Los Angeles Turbull Canyon Whittier Comment
  JEPS37279  Senecio flaccidus var. douglasii Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  LA32047  Senecio flaccidus var. douglasii Henry J. Thompson; 1958-9-8 1804 Los Angeles Santa Monica Mountains, Franklin Canyon, 1 mi S of Mulholland Drive 243 Comment
  SFV14463  Senecio flaccidus var. douglasii J. L. Reveal 1987-9-9 3883 Los Angeles Santa Susana Mountains Limekiln Canyon north of Rinaldi. 396 Comment
  UCR212804  Senecio flaccidus var. douglasii Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1848 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  CAS-BOT-BC341206  Senecio lyonii Reid Moran 1941-2-18 589 Los Angeles East side of canyon, mouth of Middle Ranch Canyon, San Clemente Island 150 Comment
  RSA473043  Senecio lyonii F. H. Elmore 1939-2-18 404 Los Angeles San Clemente Island. Comment
  SBBG13425  Senecio lyonii E. R. Blakley 1962-6-10 5217 Los Angeles Wilson's (Wilson) Cove 9 Comment
  CDA20089  Senecio mikanioides Hartman 2003-1-16 PDR 053585 Los Angeles Southern California; Angeles National Forest, 0.25 mi N of Gould Mesa Campground. 0 Comment
  RSA94677  Senecio mikanioides F. W. Peirson 1906-7-10 1434 Los Angeles Rustic Canyon, Santa Monica Mountains Comment
  RSA4778  Senecio vulgaris James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  SFV13499  Senecio vulgaris M. H. Grayum 1977-12-11 924 Los Angeles San Fernando Valley Los Angeles, Northridge. South side of Nordhoff Street, just west of Tampa Ave. 255 Comment
  RSA534017  Senecio vulgaris Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5292 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 274 Comment
  RSA0051588  Sequoia sempervirens Roger Yonemura 1950-5-5 s.n. Los Angeles Fedora and Olympic Street. Home of Roger Yonemura. Comment
  RSA608879  Setaria viridis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  UC519999  Sherardia arvensis Louis C. Wheeler 1933-5-15 1914 Los Angeles San Gabriel 106 Comment
  POM157991  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Santa Catalina Island, Howland s Landing. Comment
  RSA526065  Silene gallica Steve Boyd, L. Arnseth, Orlando Mistretta, Bart O Brien, Thomas Hayduk 1990-4-6 4164 Los Angeles San Clemente Island: head of Larkspur Canyon, E side of island, S of US Navy site called Jack. 213 Comment
  RSA756463  Silene gallica Orlando Mistretta, Christine Mistretta 2008-4-19 2500 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  SDSU17724  Silene gallica S. H. Bullock 1968-4-2 29 Los Angeles Claremont, Blanchard Park, Mills Ave. between First and Sixth Streets. 351 Comment
  CAS-BOT-BC174901  Silene laciniata E. K. Balls; P. C. Everett 1959-6-29 23866 Los Angeles Stokes Canyon, Santa Monica Mts. 152 Comment
  RSA654725  Silybum marianum Scott Lowe 1991-5-7 20 Los Angeles San Gabriel River channel, about 300 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  JEPS53892  Sisymbrium altissimum Frank W. Peirson 1918-5-26 61 Los Angeles Henninger Flats; San Gabriel Range, Henninger Flats 868 Comment
  SBBG72231  Sisymbrium altissimum R. Hoffmann 1930-4-24 Los Angeles near station, Saugus Comment
  JEPS14823  Sisymbrium irio Frank W. Peirson 1923-3-23 3355 Los Angeles streets of Claremont Claremont Comment
  LA201838  Sisymbrium irio Arthur C. Gibson; 2003-5-24 4930 Los Angeles Simi Hills, West Hills Comment
  RSA674715  Sisymbrium officinale Scott D. White, P. De Vries 2000-5-18 7910 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA724380  Sisymbrium officinale K. Dobry 1991-5-2 479 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR125951  Sisymbrium officinale A. C. Sanders, Mark Elvin 2002-6-19 25167 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR150593  Sisymbrium officinale L. C. Wheeler 1967-5-3 9801 Los Angeles Transverse Ranges; San Gabriel Mountains region, Sycamore Flat Campground, Big Rock Creek 1311 Comment
  RSA590484  Sisymbrium officinale Timothy S. Ross, Walter Appleby 1993-5-20 7204 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA659131  Sisymbrium orientale LeRoy Gross 2001-3-31 375 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 549 Comment
  LA82351  Sisyrinchium bellum O. H. Kappler; 1946-4-6 34 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA79237  Sisyrinchium bellum G. R. Campbell 1952-6-28 17288 Los Angeles South slope Mt. (''Baldy'') San Antonio 2499 Comment
  UC909922  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  UCD138821  Sisyrinchium bellum Daryl Koutnik 1978-3-24 158 Los Angeles west side of Decker Road, south of Carlisle Road. 487 Comment
  UCD138839  Sisyrinchium bellum A. C. Sanders 2005-5-11 30150 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 Cyns. 610 Comment
  RSA366934  Sisyrinchium bellum Louis C. Wheeler 1932-3-23 517 Los Angeles UCLA Campus, West Los Angeles. Alt. 450 ft. 137 Comment
  HSC101347  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns.; Azusa/Irwindale boundary, San Gabriel River Channel, within 75 m of Foothill Blvd. bridge 177 Comment
  RSA0085097  Solanum douglasii R. G. Swinney 2010-4-1 12155 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  SEINET4100309  Solanum douglasii R. Moran 1941-1 688 Los Angeles Whites Landing, Santa Catalina Island. 50 Comment
  UC1348860  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island, Hay Press area Santa Catalina Island; , Hay Press area 426 Comment
  RSA422409  Solanum douglasii T. S. Clare, G. R. Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, San Gabriel Mts. Comment
  RSA422434  Solanum douglasii J. R. Swanson 1963-02 743 Los Angeles 0.5 mi. N of San Fernando Mission Blvd. on Balboa Blvd. San Fernando Valley. Roadside. Comment
  RSA657957  Solanum douglasii S. Campbell 1980-6-2 27 Los Angeles Verdugo Mountains: Found 500 feet west off Sierra Place 244 Comment
  SEINET7262438 Image available Solanum douglasii Unknown 2015-4-4 1219 Los Angeles Pasadena Comment
  UCR210436  Solanum esculentum R. G. Swinney 2008-11-30 9888 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  SD227913  Solanum mauritianum Scott D. White 1997-5-14 5126 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mts. SW of I210 Freeway, E of Hansen Dam, and N of Wentworth St. 334 Comment
  RSA611922  Solanum sarrachoides Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA703835  Solanum sarrachoides A. C. Sanders, Mark A. Elvin 2002-6-20 25217 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR123288  Solanum triflorum Steve Boyd 1988-7-12 2534 Los Angeles Claremont, grounds of Rancho Santa Ana Botanic Garden 404 Comment
  CAS-BOT-BC83649  Solanum umbelliferum P. H. Raven; R. F. Thorne 1964-5-7 19003 Los Angeles Santa Monica Mountains. Saddle Rock Ranch, near Seminole Hot Springs. Comment
  RSA773799  Solanum umbelliferum R. G. Swinney 2009-6-17 11155 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  RSA188388  Solanum wallacei Robert F. Thorne, Percy C. Everett 1965-6-23 34931 Los Angeles Santa Catalina Island. Middle Ranch Canyon near Eagle Nest Rock 152 Comment
  RSA771313  Sonchus asper R. F. Thorne, Percy C. Everett 1965-5-12 34632 Los Angeles Santa Catalina Island, upper end of Middle Canyon. 305 Comment
  RSA250524  Sonchus asper subsp. asper R. F. Thorne, John Dourley 1967-10-10 37332 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  RSA594990  Sonchus oleraceus Mark Hoefs, R. F. Thorne 1996-4-6 2633 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
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Nov 20 2009
  SBBG12614  Sonchus oleraceus P. H. Raven 1962-4-9 17139 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR194263  Sonchus oleraceus R. G. Swinney 1998-8-6 6671 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  LA212314  Sonchus oleraceus Bill Bozarth; 1949-7-11 s.n. Los Angeles Conoga Park. Comment
  SFV16833  Sonchus oleraceus K. Tajbakhsh 1996-4-13 25 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. Outside of USC Marine Research Station gates. Comment
  UCD136160  Sonchus oleraceus Gary D. Cromwell; David W. Wheat 1971-5-14 653 Los Angeles west-facing slope above middle part of canyon. Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles northeast of Glendora. 548 Comment
  RSA652722  Spartium junceum Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Mtn. Rd., 914 Comment
  RSA248868  Spergularia macrotheca R. F. Thorne 1973-4-11 42883 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  RSA0098742  Spergularia macrotheca Steve Boyd, Timothy S. Ross, Peter Fritsch 1990-4-6 4174 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack . 152 Comment
  RSA478036  Spergularia macrotheca Anstruther Davidson 1902-5-1 1884 Los Angeles Ballona Comment
  CAS-BOT-BC390805  Spergularia marina Geo. B. Grant 1901-4-14 s.n. Los Angeles Redondo Comment
  CDA25235  Spergularia rubra R. G. Swinney 2000-5-21 7699 Los Angeles San Gabriel Mountains; Northeast of Azusa, Rincon Canyon, c. 300 meters southwest of Rincon Road entrance and Highway 39, on plateau west of Rincon Road. Comment
  JEPS62971  Stachys ajugoides Dr. H. E. Hasse Los Angeles Santa Monica Comment
  RSA583120  Stachys albens Joseph A. Ewan 1933-4-29 10819 Los Angeles Ballona marshes near Playa Del Ray. Comment
  RSA447289  Stachys bullata N. C. Cooper 1945-5-1 2238 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA59142  Stachys bullata G. R. Campbell 1950-4-17 14588 Los Angeles Escondido Canyon, on road to Malibu Lake, 7 miles from Hwy Alt. 101. 457 Comment
  RSA708603  Stachys bullata Valerie L. Soza, LeRoy Gross 2001-5-9 1205 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  SBBG80000  Stachys bullata M. M. Rice -Mar-1928 474 Los Angeles Hollywood 304 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  RSA337422  Stanleya pinnata var. pinnata R. F. Thorne 1973-5-11 43547 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam 1037 Comment
  UC557808  Stebbinsoseris heterocarpa Nell Murbarger March 1936 74 Los Angeles e side San Clemente Island Comment
  RSA669145  Stellaria media LeRoy Gross, Naomi Fraga 2002-4-4 516 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, head north down Wildwood Fire Road, to old home site near La Tuna Canyon Road. 468 Comment
  RSA762713  Stellaria media R. G. Swinney 2009-2-20 10033 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA747283  Stellaria media R. G. Swinney 2008-5-30 8879 Los Angeles San Gabriel Mtns.: San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA512033  Stellaria nitens L. C. Wheeler 1967-5-18 9634 Los Angeles Placerita Canyon. 518 Comment
  UCR169444  Stephanomeria A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25101 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR231381  Stephanomeria Dan S. Cooper 2011-9-30 911- 129 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon 264 Comment
  UCR266787  Stephanomeria Mitch Provance, Scott Duff 2015-11-9 1115- 08 Los Angeles Antelope Valley, S side of Hwy 138, c. 4.7 miles W of Antelope Acres, SCE transmission route, c. 0.2 miles E of 140th St. W 790 Comment
  CAS-BOT-BC375071  Stephanomeria I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 1676 Comment
  RSA503406  Stephanomeria blairii P. H. Raven 1962-7-11 17992 Los Angeles 1 mile south of Wilson Cove, San Clemente Island Comment
  LA88577  Stephanomeria cichoriacea O. H. Kappler; 1943-9-5 528 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCD136378  Stephanomeria exigua subsp. coronaria R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  UC92385  Stephanomeria parryi Samuel B. Parish June 1887 1961 Los Angeles Alpine Comment
  UCR163175  Stephanomeria pauciflora Anuja Parikh, Nathan Gale 2004-7-1 2076 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  POM246619  Stephanomeria virgata F. R. Fosberg 1931-6-13 S 5393 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  UCR100430  Stephanomeria virgata Scott D. White, Pam DeVries 1997-11-20 6023 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
  IRVC29636  Stipa coronata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26203 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  OBI25683  Stipa coronata David J. Keil 1977-4-30 12312 Los Angeles Ridge Rte, ca. 9 mi from jctn with Los Angeles Co Rd N-2 Comment
  UCR237899  Stipa coronata Mark A. Elvin 2003-5-1 2494 Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  UCR223203  Stipa occidentalis R. G. Swinney 2009-7-22 11310 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  IRVC28371  Stipa pulchra A. C. Sanders, Tricia Wotipka 2003-4-28 26099 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  UCR73394  Stipa pulchra T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5077 Los Angeles Channel Islands, San Clemente Island, Lower Wilson Cove Canyon, SW of and above pier operations 41 Comment
  UCR62789  Stipa speciosa B. Lennart Johnson 1958-3-21 G- 72 Los Angeles Mojave Desert, c. 23 mi north of Palmdale Comment
  UCSB2474  Streptanthella longirostris Wedberg, H. 1958-4-13 Los Angeles Eight miles north of Pearblossom Comment
  POM156283  Stuckenia pectinata Le Roy Abrams 1902-6-19 2575 Los Angeles Soldier s Home Comment
  POM4822  Stylocline gnaphaloides G. R. Stephenson 1909-06 30 Los Angeles Claremont. Comment
  UC1587713  Stylocline masonii Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4965 a Los Angeles wash 2600 ft. s.-s.e. of Acton (Soledad Canyon (easterly extension of the Santa Clara R. wash system); Acton 7.5' Quad., Soledad Canyon Wash 829 Comment
  SD53034  Suaeda californica var. pubescens Peter H. Raven 1962-5-7 17574 Los Angeles San Clemente Island; Wilson Cove 29 Comment
  UC213450  Suaeda moquinii I. Johnston 1917-6-10 1267 Los Angeles w of Los Angeles; Cienega Comment
  CAS-BOT-BC110422  Suaeda taxifolia Ernest Braunton 1902-7-1 555 Los Angeles Long Beach. Comment
  RSA428876