Search Results — 2000 specimen records retrieved (1534 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CATA907  Abronia maritima Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1747 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  RSA0073252  Abronia pogonantha Bonnie C. Templeton 1931-5-17 1201 Los Angeles Near Lancaster, Mohave Desert. Comment
  RSA114366  Abronia pogonantha Percy C. Everett, E. K. Balls 1956-5-9 21568 Los Angeles 6 mi S of Lancaster along Hwy 6 762 Comment
  CDA34293  Acacia baileyana M. O'Brien 2006-11-12 MOB 06 -5 Los Angeles Santa Monica Mountains; Tapia County Park. Comment
  SBBG132337  Acacia cyclops S. Savage, W. Fair, R. Stark, L. Noe, J. Lambert 2003-9-7 Bot 9 -2003 Los Angeles near BEQ Building 61012, W side 123 Comment
  SD124547  Acamptopappus sphaerocephalus J. Sauer, G. Malanson 1981-5-15 6137 Los Angeles San Gabriel Mountains; near Juniper Hills on north side of range. Comment
  UCR273443  Acer macrophyllum R. G. Swinney 2011-10-25 15869 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  UCR273174  Achillea millefolium R. G. Swinney 2011-5-6 14605 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  UCR76417  Achillea millefolium T. S. Ross 1992-4-14 6188 Los Angeles Channel Islands, San Clemente Island: c. 30 m ENE of intersection of new Lemon Tank Road and main N-S road 340 Comment
  RSA746419  Achnatherum parishii Orlando Mistretta 1994-7-12 1405 -A Los Angeles Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Comment
  CAS-BOT-BC210902  Achnatherum parishii subsp. depauperatum Le Roy Abrams; E. A. McGregor 1908-7-3 623 Los Angeles Near Baldy Mountain, San Gabriel Mountains 2438 Comment
  JEPS30480  Achyrachaena mollis Henry J. Thompson 1959-4-19 1951 Los Angeles 1 mi w on Mulholland Hwy Las Virgenes Rd.; Santa Monica Mountains, Malibu Cr drainage 274 Comment
  SDSU19671  Acmispon argophyllus var. adsurgens Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 A Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  SBBG118154  Acmispon argophyllus var. argenteus F. R. Fosberg 1931-3-18 4294 Los Angeles Hamilton Cyn 10 Comment
  LA200521  Acmispon argophyllus var. argophyllus O. H. Kappler; 1941-3-26 155 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  UCD104132  Acmispon glaber B. Pitzer 1996-5-5 2868 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Navel Fuel Depot, at San Pedro Hill. 408 Comment
  LA47992  Acmispon glaber var. glaber Carl Epling; March 1925 6545 Los Angeles 1000.0 Comment
  SEINET5327598  Acmispon glaber var. glaber M. Walker 1963-4-28 s.n. Los Angeles La Ballona Creek. 3 Comment
  UCD170820  Acmispon procumbens R. G. Swinney 2009-5-12 10717 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  CAS-BOT-BC29205  Acourtia microcephala Carl Epling; Nesta Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC29208  Acourtia microcephala P. C. Everett; E. K. Balls 1959-6-29 23874 Los Angeles Stokes Canyon, Santa Monica Mountains 152 Comment
  RSA471672  Acourtia microcephala Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  CATA303  Adenostoma fasciculatum Mark L. Hoefs 1973-6-5 323 Los Angeles Santa Catalina Island: By upper White's Landing Road 426 Comment
  POM615  Adenostoma fasciculatum Caroline S. Weinland s.n. Los Angeles Palmer Canyon. N of Claremont. 381 Comment
  RSA588862  Adenostoma fasciculatum var. fasciculatum Orlando Mistretta 1994-9-21 1483 Los Angeles Santiago Canyon at jct. of Forest Rd. 4N20 with Santiago Creek. 1220 Comment
  RSA595450  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, Victor W. Steinmann 1995-5-8 8572 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR273295  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-25 15872 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  RSA453175  Adenostoma sparsifolium H. E. Hasse 1910-9-1 s.n. Los Angeles Topanga Canyon. Comment
  UCR193594  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6704 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR243006  Adiantum capillus-veneris R. G. Swinney 2009-8-6 11508 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  RSA687668  Adiantum capillus-veneris Claire Kibbe 1936-07 s.n. Los Angeles Ferndell 1220 Comment
Read comments
Jul 24 2010
  RSA687716  Adiantum jordanii House s.n. Los Angeles San Clemente Island Comment
  UCR50869  Aeonium A. C. Sanders 1988-5-18 7848 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  SBBG71281  Aesculus californica R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  RSA0050333  Agalinis heterophylla Richard G. Swinney 2009-11-9 11584 Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork. 427 Comment
  SEINET8464067 Image available Ageratina adenophora Louis C. Wheeler 1964-3-18 8423 Los Angeles San Gabriel Mountains: about half way between Roberts Canyon and Fish Canyon Comment
  UCR109684  Ageratina adenophora R. D. Goeden, Don W. Ricker 1969-12-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Los Angeles 366 Comment
  RSA600560  Ageratina occidentalis Louis C. Wheeler 1954-9-1 7087 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  UCR228142  Agropyron trachycaulum R. F. Thorne, John Dourley 1967-10-10 37362 Los Angeles San Gabriel Mountains, Angeles National Forest, 1.5 mi east of Dawson Saddle 2332 Comment
  SEINET10509823  Agrostis californica David B. Dunn 1947-7-20 Dunn 2989 Los Angeles Collected at 316 n avenue 50 Comment
  UC1584339  Albizia lophantha Steve Morgan 1991-3-3 Los Angeles San Dimas; sw corner of San Dimas Ave. and Arrow Hwy Comment
  UCR163315  Aliciella B. G. Pitzer 1998-5-12 3702 Los Angeles Western Mojave Desert, W side of 170th Street East, 0.5 mi. south of Avenue 'J' (N5), and c. 0.2 mi. north of the west entrance to Saddleback Butte State Park 890 Comment
  LA94786  Alisma triviale Peter H. Raven; Henry J. Thompson 1960-7-17 15557 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, along Malibu Creek 2 mi. above ocean. 45 Comment
  CLARK-A1528-2532  Allenrolfea occidentalis John C. Roos 1947-7-21 Los Angeles Lancaster Comment
  RSA579329  Allium burlewii Timothy S. Ross 1994-5-31 7968 Los Angeles Pacifico Mountain: ca. 530 m. due W of the summit of 7124 ft. A low saddle-like area, functionally the head of Santiago Canyon. 2006 Comment
  UC1870155  Allium burlewii LeRoy Gross, Valerie Soza 2003-6-10 1017 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. UTM Zone; 3793403N 0439641E. Just off the trail 2896 Comment
  UCR181110  Allium burlewii R. G. Swinney 1997-4-25 5505 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  SD231161  Allium fimbriatum var. fimbriatum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 3 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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
  UCR108205  Allium haematochiton Steve Boyd, Valerie Soza 1998-4-28 10154 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  POM83381  Allium monticola Geo L. Moxley 1925-5-28 1130 Los Angeles Granite rock slides between Mt. Lowe and Mt. Markham Comment
  UCR192965  Allium subhirsutum Dan S. Cooper 2008-3-22 s.n. Los Angeles Southern Coast, Santa Monica, c. 1/4 mile north of pier 20 Comment
  RSA0083127  Allophyllum divaricatum R. G. Swinney 2010-6-4 13056 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA609266  Allophyllum divaricatum L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek ,off West Fork San Gabriel River. 609 Comment
  UCR149539  Allophyllum divaricatum R. G. Swinney 1997-6-25 5633 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA71865  Allophyllum glutinosum F. W. Peirson 1951-3-28 153 Los Angeles Benedict's Canyon, Santa Monica Mts. Comment
  HSC31659  Alnus rhombifolia Thomas E. Higley 1974-4-20 23 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  POM2091  Alnus rhombifolia J. H. Barber 1898-2-22 370 Los Angeles Topanga Canyon Comment
  RSA402979  Amaranthus albus B. C. Templeton 1932-7-21 5035 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mountains 2195 Comment
  RSA0048589  Amaranthus retroflexus Lee Haines 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  SEINET4001593 Image available Amblyopappus pusillus M. B. Dunkle 1939-1 8111 Los Angeles Santa Barbara Island. Comment
  RSA0106885  Amblyopappus pusillus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-7-17 SCa- 767 Los Angeles Santa Cataling Island. Lower portion of Silver Canyon, ca. 0.25 miles inland from beach. 12 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
  UCR210173  Ambrosia acanthicarpa R. G. Swinney 2008-10-16 9620 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UC1215169  Ambrosia chamissonis Peter H. Raven 1962-4-11 17265 Los Angeles San Clemente Island 6 Comment
  POM4801  Ambrosia psilostachya N. R. Shaw 1900-6-3 57 Los Angeles Claremont. Comment
  SBBG95268  Ambrosia psilostachya M. B. Dunkle 1928-10-7 1997 Los Angeles Middle Ranch Cyn Comment
  SFV6939  Ambrosia psilostachya T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 636 Los Angeles Santa Monica Mountains Malibu Creek at Tapia Park. 137 Comment
  POM14305  Ambrosia psilostachya Philip A. Munz 1922-10-15 6542 Los Angeles Claremont. 366 Comment
  RSA416988  Ambrosia psilostachya Robert Gustafson 1980-8-29 1969 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA453132  Amelanchier utahensis Bonnie C. Templeton 1932-5-31 5057 Los Angeles Camp No. 1, Big Pines Recreation Camp, San Gabriel Mountains 1982 Comment
  CAS-BOT-BC180643  Amorpha californica var. californica L. R. Abrams 1906-7-19 s.n. Los Angeles Mount Wilson Trail 609 Comment
  RSA639066  Amorpha californica var. californica L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Summit Johnstone Peak. 975 Comment
  RSA682717  Amorpha californica var. californica LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1110 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UC1128720  Amorpha californica var. californica Jerome S. Horton 1937-6-14 471 Los Angeles Trail to Fumes 4 and 5 Pomona Quadrangle, San Dimas Canyon Comment
  PASA2000  Amsinckia intermedia Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA488012  Amsinckia intermedia Mark Hoefs, D. Propst 1973-3-3 34 Los Angeles Santa Catalina Island: west side of Black Jack Mt. 412 Comment
  SBBG37818  Amsinckia intermedia M. B. Dunkle 1939-4-4 7263 Los Angeles Chenetti Cyn Comment
  POM305844  Amsinckia intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1094 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  RSA0079990  Amsinckia intermedia Catherine A. Mish 1995-3-4 21 Los Angeles Santa Monica Mtns, Caballero Cyn. 1.0 km from trailhead. 380 Comment
  LA40181  Amsinckia menziesii var. menziesii Carl Epling; March 1925 6446 Los Angeles Santa Monica Mountains, Griffith Park Comment
  SBBG28457  Amsinckia menziesii var. menziesii L. C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  RSA632132  Amsinckia tessellata var. tessellata L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  UCR153374  Anagallis arvensis L. C. Wheeler 1967-7-6 9924 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  SEINET11973107  Anagallis arvensis J. F. Bright, Wyman, C. 1933-1 8181 Los Angeles Los Angeles Comment
  UCR272574  Ancistrocarphus filagineus R. G. Swinney 2011-6-7 15023 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 1616 Comment
  RSA101988  Anemopsis californica F. Morton Jones 1918-05 s.n. Los Angeles In valley, 40 miles inland from Los Angeles. Comment
  UCSB33715  Anemopsis californica Miller, Brian 1963-7-5 Los Angeles Hwy 399, one mile southeast of Gorman 1066 Comment
  UCD97918  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  RSA593407  Anthemis cotula Steve Boyd, Orlando Mistretta 1996-5-23 8814 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  LA201515  Anthemis cotula Arthur C. Gibson; 2003-5-18 4876 Los Angeles Santa Monica Mountains, Rocky Oaks National Recreation Area, near Mulholland Hwy and Kanan-Dume Rd Comment
  CAS-BOT-BC227159  Anthriscus caucalis Timothy S. Ross; Steve Boyd 1994-5-4 7678 Los Angeles Liebre Mountains. Dogwood Canyon: narrow canyon draining NE to Burns Canyon from the NE summit of Grass Mountain 1283 Comment
  UCR17919  Anthriscus caucalis Anna Mayers 1978-5-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Hollywood Hills, Griffith Park off Bronson, Los Angeles Comment
  RSA507532  Anthriscus caucalis L. C. Wheeler 1967-5-13 9517 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. 259 Comment
  RSA703622  Antirrhinum coulterianum Tim Thibault, Ryan Gilmore 2004-4-29 243 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  OBI60234  Antirrhinum coulterianum Catherine L. Michaels 1994-5-19 s.n. Los Angeles About 100 ft from Stunt Rd 0.4 mi from the intersection of Mulholland hwy Comment
  RSA425825  Antirrhinum kelloggii Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR181254  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel Mtns, San Gabriel River Canyon north of Morris Dam, at private shore NE of dam 488 Comment
  UCR271254  Antirrhinum multiflorum R. G. Swinney 2011-6-1 14959 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  SBBG130740  Aphanes occidentalis S. A. Junak 2000-4-1 SCa 1157 Los Angeles Cherry Valley, just inland from main rd, along trail 60 Comment
  RSA470371  Apiastrum angustifolium F. R. Fosberg 1931-3-25 S- 4363 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 60 Comment
  SBBG112778  Apiastrum angustifolium S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 517 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  UC1611551  Apiastrum angustifolium Tim Ross 1993-4-21 6863 Los Angeles in vicinity of Cactus Peak (sw part of Santa Catalina Island, n of Cactus Peak summit, toward Bullrush Canyon drainage); Santa Catalina Island 384 Comment
  UCR269964  Apiastrum angustifolium R. G. Swinney 2010-5-7 12575 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA0016871  Apiastrum angustifolium John O Leary 1979-04 s.n. Los Angeles Zuma Canyon, about 0.9 miles above the end of Bonsell Drive. Santa Monica Mts. 99 Comment
  IRVC28710  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  SD260165  Apocynum cannabinum R. G. Swinney 2011-6-1 14936 B 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 (Chilao Flat 7.5'Q) 1096 Comment
  UCR51497  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  UCR189397  Aquilegia formosa R. G. Swinney 1998-5-30 6168 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA0021513  Arabis glabra Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5142 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR203194  Arabis pulchra R. G. Swinney 2005-5-21 8260 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
Read comments
Jul 7 2020
  RSA228982  Arceuthobium californicum Robert F. Thorne 1971-8-25 41322 Los Angeles San Gabriel Mts., Angeles National Forest: On springy slope near Windy Spring on N slope of Mt. Islip. 2195 Comment
  RSA0048555  Arctostaphylos canescens A. Lee Haines 1964-5-7 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. 411 Comment
  CHSC3737  Arctostaphylos glandulosa Sue Boerqadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  RSA626756  Arctostaphylos glandulosa Jon E. Keeley 1978-6-13 7180 Los Angeles Road to Mt. Gleason, about 8 km from Mill Creek Summit. 1830 Comment
  LA91416  Arctostaphylos glandulosa subsp. glandulosa Bruce Douglas Clayton; Greg Shaw 1972-3-20 16 Los Angeles 615 Comment
  UC879406  Arctostaphylos glandulosa subsp. glandulosa Ira W. Clokey, B. Templeton Apr. 1929 4452 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  CAS-BOT-BC24696  Arctostaphylos glandulosa subsp. mollis Ernest Braunton 1902-6-1 486 Los Angeles Griffith Park. Comment
  POM47577  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-13 s.n. Los Angeles along Sunset Trail 1/2 mi. S of Sunset Peak. 1585 Comment
  RSA631486  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15979 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631518  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15653 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631557  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22002 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631625  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20192 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631637  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15843 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  UCD51292  Arctostaphylos glauca A. D. Gifford 1935-1-8 414 Los Angeles Palomas canyon wash near mouth. 426 Comment
  CAS-BOT-BC46728  Arctostaphylos parryana Carl B. Wolf 1936-5-27 7850 Los Angeles San Gabriel Mts., Aliso Canyon to Buckhorn Flats Rd., Tie Camp summit. 1524 Comment
  UCR238654  Arctostaphylos parryana subsp. parryana Anuja Parikh, Nathan Gale 2010-6-19 3352 Los Angeles Transverse Range, San Gabriel Mountains, 0.9 km west of Shortcut Station, 0.6 km north of State Hwy 2 (Angeles Crest Hwy) 1247 Comment
  RSA634729  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20519 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634746  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20598 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634829  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22038 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634846  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20526 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635092  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20353 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635117  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20316 Los Angeles Road to Mt. Gleason, 4.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA635158  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20279 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  RSA641498  Arctostaphylos patula L. C. Wheeler 1967-9-2 10614 Los Angeles Saddle between Little Bear Creek and Devil's canyon 1982 Comment
  UC1951159  Arctostaphylos pungens Scott D. White, Justin Wood 2009-5-6 12684 Los Angeles SAN GABRIEL MOUNTAINS: San Gabriel River - West Fork, large fill slope on the S side Cogswell Reservoir. USGS Azusa 7.5' Quad. Comment
  UCR141368  Arctostaphylos pungens R. G. Swinney 1997-8-19 5814 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  UCSB9380  Arctostaphylos pungens Wedberg, Lee 1954-3-22 Los Angeles Near Vincent Comment
  UCR189946  Arenaria nuttallii subsp. gracilis R. G. Swinney 1998-8-27 6828 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  CAS-BOT-BC401706  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-5-29 2121 Los Angeles San Francisquito Canyon, 8.8 miles n. of Saugus Comment
  RSA533950  Aristida adscensionis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5235 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  SFV12660  Artemisia biennis M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 899 Los Angeles Santa Monica Mountains Tapia Park. Along Malibu Creek. 145 Comment
  RSA0069421  Artemisia californica R. G. Swinney 2010-3-10 11798 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA437435  Artemisia californica Kenneth R. Montgomery, Thomas W. Strid 1973-8-22 73 -177 Los Angeles Collected on north facing slope at Dillon Divide, site of LASCA Cistus field plot Comment
  RSA702252  Artemisia californica Gary D. Wallace 1984-12-9 2157 Los Angeles Monrovia: Gold Hill 274 Comment
  RSA0098360  Artemisia douglasiana R. G. Swinney 2011-11-1 15963 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. 634 Comment
  RSA417271  Artemisia douglasiana Blanche Trask 1902-08 s.n. Los Angeles Avalon, Catalina Island. Comment
  UCR193577  Artemisia dracunculus R. G. Swinney 1999-4-5 7061 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  CAS-BOT-BC93874  Artemisia dracunculus A. J. McC 1892-9-10 s.n. Los Angeles Pasadena, Arroyo Seco Comment
  UCR223372  Artemisia ludoviciana R. G. Swinney 2009-7-23 11394 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
  UC1190081  Artemisia tridentata H. J. Thompson 1951-1-1 1424 Los Angeles 1 mi e Newhall Ranch (along Highway #126, near where Castaic River joins the Santa Clara River); Castaic River 289 Comment
  CAS-BOT-BC97338  Artemisia tridentata subsp. tridentata H. J. Thompson 1950-6-2 1101 Los Angeles Upper Chilao Recreation Area, near Chilao Guard Station, 0.7 mi. W of state Hwy. #2, San Gabriel Mts. 1615 Comment
  RSA695507  Asclepias californica Valerie Soza, Sarah J. De Groot 2003-6-18 1691 Los Angeles Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  RSA70335  Asclepias californica F. W. Peirson 496 Los Angeles summit of Mt. Wilson Comment
  UC1971457  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles SAN GABRIEL MOUNTAINS: Wawona Lodge (site) adjacent to Crystal Lake. Comment
  RSA771610  Asclepias eriocarpa R. F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42207 Los Angeles Mt. Waterman: East end of Mt. Waterman ridge 2317 Comment
  RSA773800  Asclepias fascicularis R. G. Swinney 2009-6-17 11154 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  SEINET10923197  Asclepias fascicularis G. B. Grant 1904-7-8 Grant 63 -6319 Los Angeles Cienega Comment
  UCSB4941  Asclepias fascicularis Haller, John 1960-7-22 Los Angeles North side of Calif. 138, 0.6 miles east of U.S 99, 1.5 miles east of Gorman 1127 Comment
  RSA695392  Asparagus officinalis A. C. Sanders, Mark Elvin 2002-6-19 25176 Los Angeles NE end of Santa Susana Mtn.; Newhall Ranch, head of Adobe Cyn. and pass into Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  UCR229172  Asparagus officinalis Dan S. Cooper 2010-1 1210- 31 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA200066  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1718 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, Tuna Canyon Road, ca 3 mi above Hwy 1, ravine just W of road. 289 Comment
  POM155801  Aspidotis californica M. B. Dunkle 1928-4-21 1879 Los Angeles Santa Catalina Island: Renton Mine Hill 335 Comment
  UC535315  Aspidotis californica Ira W. Clokey, B. Templeton Apr. 1929 4435 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  POM187688  Aster subulatus var. ligulatus Joseph A. Ewan 1931-10-24 5263 Los Angeles N shore Malibu Lake. Comment
  RSA549234  Aster subulatus var. ligulatus Scott D. White 1992-10-9 947 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  UC205379  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles Prairie Fork San Gabriel River , Prairie Fork San Gabriel River (San Antonio Mountains) 1676 Comment
  POM1851  Astragalus brauntonii Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  UC903401  Astragalus didymocarpus Lois E. James 1946-4-25 1747 Los Angeles along the railroad tracks at Acton (Soledad Canyon); , Acton Comment
  UCR273640  Astragalus gambelianus Steven A. Junak 2001-5-4 SCa- 1489 Los Angeles Channel Islands, Santa Catalina Island, southeast of beach at Parson's Landing 122 Comment
  UCR146460  Astragalus leucolobus Orlando Mistretta 1993-6-28 889 Los Angeles San Gabriel Mountains, Angeles National Forest. Table Mountain; Sunrise ski area 2226 Comment
  SBBG12323  Astragalus miguelensis P. H. Raven 1962-7-11 18012 Los Angeles Wilson Cove 60 Comment
  SD51930  Astragalus miguelensis Peter H. Raven 1962-7-10 17955 Los Angeles San Clemente Island, near ocean due west of Wall 2, low mounds in low spot in dunes Comment
  SBBG95679  Astragalus nevinii A. Liston, O. Mistretta, L. Rieseberg 1989-4-29 801 -1 Los Angeles main dune area at Darter Rd, NW part of island Comment
  POM122391  Astragalus pachypus var. pachypus Marcus E. Jones 1926-6-7 s.n Los Angeles South of Lebec. Comment
  RSA587502  Astragalus pachypus var. pachypus Orlando Mistretta 1995-3-28 1582 Los Angeles San Gabriel Mts.; Drainage W of Little Rock Creek Reservoir just S of dam. 1128 Comment
  RSA415728  Astragalus trichopodus var. lonchus Freda Detmers 1929-4-13 s.n Los Angeles Santa Catalina Island. Comment
  UC301919  Astragalus trichopodus var. lonchus T. W. Minthorn May 1920 Los Angeles La Brea Canyon , La Brea Canyon (Puente Hills) Comment
  LA200443  Astragalus trichopodus var. phoxus Louis Wheeler; 1931-11-11 345 B Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR187133  Astragalus trichopodus var. phoxus A. C. Sanders 2006-5-16 32358 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  SBBG20577  Atriplex argentea var. expansa E. R. Blakley 1963-12-7 6376 Los Angeles 200 yds SE of new air strip 60 Comment
  RSA535323  Atriplex californica T. S. Ross 1991-5-20 5352 Los Angeles San Clemente Island: north third; middle N fork of un-named drainage that empties to sea just N of Jack Point lighthouse. 152 Comment
  UCSC011212  Atriplex canescens Adam Searcy 2015-7-10 73 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  LA204700  Atriplex canescens var. canescens Harlan Lewis; 1942-11-29 250 Los Angeles Little Rock Comment
  UCR277106  Atriplex confertifolia R. G. Swinney 2011-4-19 14423 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
  UCR275237  Atriplex glauca Dan S. Cooper 2010-2-17 s.n. Los Angeles South Coast, Hyperion 18 Comment
  UC7045  Atriplex lentiformis subsp. lentiformis J. Burtt Davy October 1896 2749 Los Angeles Santa Monica Canyon Comment
  RSA478305  Atriplex leucophylla Blanche Trask 1902-08 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA478312  Atriplex leucophylla F. R. Fosberg 1930-7-7 S- 3172 Los Angeles Alamitos Bay 4 Comment
  CAS-BOT-BC176527  Atriplex polycarpa Grant 1901-7-13 4405 Los Angeles Palmdale Comment
  SBBG72568  Atriplex polycarpa R. Hoffmann 1927-8-31 Los Angeles 2 mi W of Acton Comment
  SD251704  Atriplex semibaccata M. B. Dunkle 1939-4-7 7329 Los Angeles San Clemente Island, Pyramid Cove Comment
  UCR247547  Atriplex suberecta Dan S. Cooper 2013-7-29 713- 32 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  RSA715125  Avena barbata Daisie Huang 2006-3-9 60309 01 b Los Angeles Vacant lot on Huntington Dr. east of Highland Ave., Duarte, CA. Sunny flat. 165 Comment
  CATA714  Avena fatua Mark L. Hoefs 1991-5-3 1214 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  RSA657023  Avena fatua Joseph M. Keefe 2001-1-19 30890 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 262 Comment
  RSA235253  Azolla filiculoides Martin A. Piehl 1962-10-3 62522 Los Angeles Cottonwood Creek at bridge along main road, west side of island, Santa Catalina Island. Comment
  RSA649816  Baccharis glutinosa Matt Brooks 1988-4-15 2 Los Angeles Whittier, Turnbull Canyon Rd. 1.0 miles east of its intersection with Beverly Blvd. Comment
  POM306259  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1419 Los Angeles North Craig Ave., Altadena. Comment
  RSA0085333  Baccharis salicifolia R. G. Swinney 2010-4-1 12162 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA15634  Baccharis salicifolia C. B. Wolf 1927-12-31 1464 Los Angeles Occidental College Campus. Comment
  UCR139004  Baccharis salicifolia L. C. Wheeler 1961-6-13 7876 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UC87124  Baccharis salicifolia subsp. salicifolia unknown 1890-5-1 Los Angeles Santa Catalina Island Comment
  LA209797  Baccharis sergiloides Carl Wishner; 1999-9-21 34531 Los Angeles Santa Monica Mountains, Sepulveda Canyon, East Sepulveda Canyon Fire Road and fuelbreak 323 Comment
  UCD150971  Bahiopsis parishii D. S. Park 2010-4-27 57 Los Angeles Ranch Santa Ana Botanic Garden 369 Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  UCR124422  Barbarea orthoceras B. C. Templeton 1932-5-31 4896 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA788770  Berberis nevinii Mark Elvin, M. Wall 1997-3-5 362 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection w/ [Padua Avenue], 50 m off road. Sandy alluvial wash. 534 Comment
  RSA177680  Beta macrocarpa R. F. Thorne, P. C. Everett 1965-5-11 34538 Los Angeles Santa Catalina Island. Shoreline along Catalina Harbor. Comment
  CATA1092  Beta vulgaris Mark L. Hoefs 1995-5-16 2042 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA1263  Beta vulgaris Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2348 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  UC527404  Beta vulgaris Carl B. Wolf 1932-5-12 3579 Los Angeles border of Catalina Harbor Santa Catalina Island; , border of Catalina Harbor 3 Comment
  RSA600908  Bidens pilosa L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of water supply tunnel above West Debris Basin, Brown School for Girls 457 Comment
  SEINET10570447  Bloomeria aurea Hermann E. Hasse Hasse s.n. 1890 Los Angeles Open hills and plains Comment
  LA21890  Bloomeria crocea A. Handsheigel; June 1925 sn Los Angeles 259 Comment
  RSA653916  Bloomeria crocea Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 901 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. 487 Comment
  RSA724646  Bloomeria crocea K. Dobry 1991-5-22 D- 654 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SEINET12053804  Bloomeria crocea I. W. Clokey, Templeton, B. 1929-1 4543 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  UC1375444  Bloomeria crocea Gary D. Cromwell and David W. Wheat 1971-5-14 631 Los Angeles Mystic Canyon San Gabriel Mts., Angeles National Forest (se-facing slope w of canyon mouth, 2 mi ne of Glendora) 411 Comment
  RSA367323  Bloomeria crocea var. crocea Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  SD3346  Boechera arcuata Ruth B. Randall 1928-8-1 244 Los Angeles Big Tejunga Canyon Comment
  RSA0129236  Boechera pulchra Orlando Mistretta, Christine Mistretta 2008-4-4 2300 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 56 per TRTP survey; 2008) 1284 Comment
  CAS-BOT-BC30963  Bolboschoenus maritimus Peter H. Raven; Henry J. Thompson 1959-9-6 14372 Los Angeles Mouth of Malibu Creek 6 Comment
  SBBG128343  Bolboschoenus maritimus subsp. paludosus D. Knapp 2006-8-23 Los Angeles Cherry Valley Comment
  UC1971141  Bowlesia incana Louis C. Wheeler 1969-5-4 Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. Comment
  SBBG12444  Bowlesia incana P. H. Raven 1962-5-8 17597 Los Angeles near mouth of cyn at S end of Seal Cove 9 Comment
  UCR190121  Boykinia rotundifolia R. G. Swinney 1998-8-21 6786 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR224006  Boykinia rotundifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11694 Los Angeles Transverse Ranges; Verdugo Mountains region, Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservency reserve lands. Comment
  RSA268490  Boykinia rotundifolia H. J. Thompson 1960-6-7 3067 Los Angeles Santa Monica Mountains. Malibu Canyon, 0.4 miles south of tunnel, 3 miles north of coast highway US 101. 152 Comment
  RSA612310  Boykinia rotundifolia Louis C. Wheeler 1932-7-9 952 Los Angeles San Gabriel Mountains: Rogers [Roberts] Canyon. 441 Comment
  RSA0087233  Brassica geniculata R. G. Swinney 2010-4-23 12336 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR218018  Brassica geniculata A. C. Sanders, Dan S. Cooper 2010-8-5 38553 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA0069645  Brassica nigra R. G. Swinney 2010-2-27 11778 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  UCR127405  Brassica nigra A. C. Sanders, M. S. Enright 2002-8-8 25572 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  RSA599349  Brassica nigra L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  RSA0042800  Brassica oleracea var. botrytis Elwood Fordham 1951-3-25 s.n. Los Angeles Topanga, Pasquero Pl. 266 Comment
  CDA33380  Brassica rapa J. M. Wood 2009-3-6 339 Los Angeles City of Claremont; NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. Comment
  RSA482919  Brassica rapa F. R. Fosberg 1931-5-14 S- 11872 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  POM241535  Brassica rapa Joseph A. Ewan 1932-2-20 7020 Los Angeles Below Stone Canyon, at campus University of California. Comment
  UC1922249  Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Northwest tip of the Verdugo Range, just east of Hansen Dam. West side of Wentworth Street, north of Stonehurst Ave. 305 Comment
  UCSB72620  Brassica rapa Gross, LeRoy 2006-1-28 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest tip of the Verdugo Range, just east of Hansen Dam. West side of Wentvvorth Street, north of Stonehurst Ave 305 Comment
  CAS-BOT-BC100425  Brickellia californica Wesley Griesel 1962-9-14 738 Los Angeles State Hwy #2 between Islip Saddle & Dawson Saddle, San Gabriel Mts. 2133 Comment
  CAS-BOT-BC100427  Brickellia californica Steven A. Junak 1996-10-2 SCI- 703 Los Angeles San Clemente Island: W side of island, in lower portion of Horse Canyon 30 Comment
  CAS-BOT-BC100431  Brickellia californica B. 1903-8-2 3672 Los Angeles San Antonio [Canon] Canyon Comment
  OBI69359  Brickellia californica John Knapp, Denise Knapp 2002-11-27 24 Los Angeles Santa Catalina Island 76 Comment
  RSA640038  Brickellia californica Steven A. Junak 1996-10-2 703 Los Angeles San Clemente Island. W side of island, in lower portion of Horse Canyon. Localized; W facing slope and cnayon botom. 30 Comment
  UC63365  Brickellia californica E. B. Babcock 1902-11-1 Los Angeles near Pomona Comment
  LA200175  Brickellia californica Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4611 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  UCR162580  Brickellia longifolia Anuja Parikh, Nathan Gale 2004-7-9 2081 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 19), south of the river between Potrero and Salt Creek Canyons 427 Comment
  SD181712  Brickellia microphylla Louis C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South for Big Rock Creek, near mouth. Comment
  NY162756  Brickellia nevinii Rev. J. C. Nevin s.n. Los Angeles Near Newhall Comment
  POM351152  Brickellia nevinii Geo L. Moxley 1916-9-4 517 Los Angeles Eaton Canyon, San Gabriel Mtns. Comment
  RSA596808  Brickellia nevinii Timothy S. Ross, J. Mark Porter 1995-5-4 8476 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA574275  Bromus carinatus var. carinatus Timothy S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  RSA585424  Bromus carinatus var. carinatus Timothy S. Ross, Steve Boyd 1990-5-31 2747 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA592293  Bromus catharticus L. C. Wheeler 1967-5-13 9540 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  SD237260  Bromus catharticus R. G. Swinney 2009-4-13 10314 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: San Gabriel River under the Puente Largo railway bridge, .5 mi north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  UC1584716  Bromus catharticus Tim Ross, Annette Ross 1991-6-3 5546 Los Angeles Elephant Hill, West Pomona Elephant Hill; , West Pomona 274 Comment
  UCR214662  Bromus catharticus A. C. Sanders, Dan S. Cooper 2010-4-30 38133 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0092868  Bromus catharticus Steven A. Junak, Mark Hoefs, Sara L. Crockett 1997-3-27 SCa- 367 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road. 229 Comment
  RSA0021519  Bromus diandrus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5149 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCD58632  Bromus grandis L. R. Abrams 1902-6-29 2600 Los Angeles Summit of Mt. Wilson. Comment
  CAS-BOT-BC175268  Bromus hordeaceus Tim Ross; Steve Boyd 1993-5-23 7234 Los Angeles NW Los Angeles Co.; Lower easterly ridge of Red Mtn, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater Canyons 966 Comment
  POM363877  Bromus hordeaceus Robin S. Collins 1973-4-30 256 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 610 Comment
  UCR223335  Bromus hordeaceus R. G. Swinney 2009-5-27 10858 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  LA35620  Bromus hordeaceus Ronald A. Cross; April 1962 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA92045  Bromus hordeaceus F. W. Peirson 1918-5-5 1555 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  LA13756  Bromus laevipes Carl Epling; 1925-4-18 6765 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR211792  Bromus madritensis Valerie Soza, LeRoy Gross 2002-5-8 1454 Los Angeles Transverse Ranges; Liebre Mountains Region, SW side of Deer Summit (3599 ft.), ridge between Dry Canyon and Haskell Canyon 1052 Comment
  SBBG56597  Bromus orcuttianus V. Duran 1933-7-20 3521 Los Angeles Buckhorn 1981 Comment
  SEINET269223 Image available Bromus rigidus Scott D. White, Chet McGaugh 1995-5-16 3059 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts.'Sunshine Cyn': W of San Fernando Rd. and I-5 fwy SW of interchange w/ 457 Comment
  RSA599113  Bromus rubens V. W. Steinmann 1990-3-30 816 Los Angeles Pomona, Elephant Hill. 300 Comment
  RSA713245  Bromus rubens LeRoy Gross 2005-5-3 2226 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., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  UCD59604  Bromus rubens Al Franklin 1987-7-25 87 -45 Los Angeles SBBM. Saddleback, Butte Campground, northeast corner. 800 Comment
  UCR191718  Bromus rubens A. C. Sanders 2008-4-11 34869 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR258737  Bromus rubens R. G. Swinney 2010-5-19 12830 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
  POM296807  Bromus stamineus Lyman Benson 1947-4-30 12348 Los Angeles Indian Hill, Claremont. 427 Comment
  RSA595653  Bromus tectorum Timothy S. Ross, Victor W. Steinmann 1995-5-8 8554 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR190856  Bromus tectorum R. G. Swinney 1998-7-2 6222 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CATA3497  Caesalpinia spinosa Benjamin J. Dion, Nathalie Cartan 2017-11-3 049 Los Angeles Santa Catalina Island: Channel side; 2 meters west of Banning House Road upslope from (south of) Two Harbors 119 Comment
  SD125923  Cakile maritima A. C. Sanders 1988-5-18 7816 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport. Comment
  LA91495  Calandrinia ciliata Bruce Douglas Clayton; Greg Shaw 1972-4-15 96 Los Angeles SANTA MONICA MOUNTAINS, Mountain Park Research Campus, upper canyon entrance. 585 Comment
  UCR125403  Calandrinia ciliata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25694 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  SBBG13264  Calandrinia menziesii M. A. Piehl 1962-6-10 62381 Los Angeles cyn E of Thirst 304 Comment
  SD90281  Callitriche marginata Robert F. Thorne 1973-4-11 42802 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon. 424 Comment
  HSC1289  Calocedrus decurrens J. Rockwell 1962-12-25 184 Los Angeles Los Angeles, Vermont and Willow St. 10 Comment
  RSA377281  Calochortus catalinae M. B. Dunkle 1932-5-28 2972 Los Angeles Catalina Island Comment
  LA22352  Calochortus clavatus Carl Epling; May 1927 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA729666  Calochortus invenustus Richard G. Swinney 1998-7-2 6256 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC3402  Calochortus kennedyi A. Davidson Jul 1895 Los Angeles Antelope Valley Comment
  RSA0016992  Calochortus kennedyi var. kennedyi Philip A. Munz 1923-5-26 6818 Los Angeles Big Rock Creek, San Gabriel Mts. 1311 Comment
  RSA377435  Calochortus splendens F. R. Fosberg 1931-5-6 S- 4819 Los Angeles Cape Canyon, Santa Catalina Island. 250 Comment
  UCR155366  Calochortus venustus A. C. Sanders 2005-5-11 30128 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  UCR220256  Calyptridium monandrum R. G. Swinney 2009-4-28 10508 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA620156  Calyptridium parryi L. C. Wheeler 1968-7-15 s.n. Los Angeles Southwest side Dawson Peak. 2865 Comment
  RSA0068458  Calystegia macrostegia R. G. Swinney 2010-3-18 11983 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA158256  Calystegia macrostegia subsp. amplissima P. H. Raven 1962-7-12 18030 Los Angeles Northwest Harbor, San Clemente Island 15 Comment
  RSA422197  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island Comment
  LA81926  Calystegia macrostegia subsp. cyclostegia O. H. Kappler; 1941-6-7 290 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA652863  Calystegia macrostegia subsp. macrostegia Ron Martinolich 1991-5-14 75 Los Angeles Los Angeles, Mulholland Drive, 1.4 miles west of intersection with Encino Hills Drive, south past locked gate on dirt road, 0.3 mile. Comment
  UCR213968  Calystegia malacophylla subsp. malacophylla Dave Silverman, Cindy Hopkins 2007-4-24 6737 Los Angeles Tejon Ranch, 800 m E of National Cement plant, 1.9 km NW of Oso Pump Plant-CA Aqueduct, and 135 m S of the county line 991 Comment
  RSA479527  Calystegia occidentalis subsp. fulcrata Steve Boyd, Laura Kopase 1987-6-8 2073 Los Angeles 5 miles WNW of Wrightwood in Cedar Canyon near jct. w/ Mescal Creek. 1524 Comment
  RSA602314  Calystegia occidentalis subsp. fulcrata Steve Boyd, Lauren Raz 1997-6-17 9947 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  UCR204833  Camissonia R. G. Swinney 2005-8-11 8463 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA578299  Camissonia bistorta Tim S. Ross, Steve D. Boyd 1994-5-4 7618 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  UCR206131  Camissonia bistorta A. C. Sanders, T. B. Salvato 2009-5-29 37051 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  POM3194  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA465687  Camissonia bistorta Unspecified 1933-4-10 s.n. Los Angeles Little Tujunga Canyon Comment
  UCR205192  Camissonia californica R. G. Swinney 2008-4-30 8709 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA128268  Camissonia californica H. J. Thompson 1959-4-12 1930 Los Angeles Santa Monica Mountains. Roadcut in 6-month old burned area, 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  UCR223088  Camissonia campestris R. G. Swinney 2009-5-13 10762 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  SBBG22760  Camissonia campestris subsp. campestris D. Myrick 1965-3-5 1088 Los Angeles Victorville-Palmdale Hwy 138 762 Comment
  NY679603  Camissonia cheiranthifolia subsp. suffruticosa F. R. Fosberg 1930-6-23 S 2989 Los Angeles Loc. Del Rey. 2 Comment
  RSA454023  Camissonia cheiranthifolia subsp. suffruticosa T. A. Bonser 1943-07 s.n. Los Angeles Redondo Beach. Comment
  UCR99475  Camissonia graciliflora Steve Boyd, Orlando Mistretta 1997-3-14 9171 Los Angeles Liebre Mtns., Lower southeastern flank of Bald Mtn, near head of Liebre Gulch, due west of Sandberg 1213 Comment
  RSA186685  Camissonia guadalupensis subsp. clementina Peter H. Raven 1964-4-18 18772 Los Angeles San Clemente Island, Raven 17628 X Guadalupe Island, Moran & Ernst 6737 (Progenies) Comment
  RSA656470  Camissonia hirtella Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 696 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  RSA162868  Camissonia ignota John Olmsted 1958-3-10 40 Los Angeles Edge of Oak Woodland 1 mile below crest of Liveoak Creek fire road with live oak creek drainage to the SW. 4 miles N of Webb School and 2 miles N of Hill ranch, NE of Claremont. 610 Comment
  RSA239482  Camissonia micrantha M. A. Piehl 1962-6-10 62387 Los Angeles San Clemente Island: canyon E. of Thirst. 305 Comment
  RSA449026  Camissonia micrantha M. C. Beymer s.n. Los Angeles Verdugo Canon Comment
  RSA570210  Camissonia strigulosa Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5006 Los Angeles Acton: ca half mile E of the center of town, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash. 831 Comment
  UCD103533  Camissoniopsis cheiranthifolia subsp. suffruticosa Daryl Koutnik 1978-3-30 s.n. Los Angeles NW of intersection of Pacific Ave. and Culver Blvd. near base of Ballona Bluffs. 3 Comment
  RSA0103470  Camissoniopsis confusa R. G. Swinney 2011-5-10 14648 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
  SBBG96661  Camissoniopsis guadalupensis subsp. clementina S. Boyd with T. Ross, L. Arnseth 1990-4-7 4248 Los Angeles lower half of China Cyn Comment
  SBBG61444  Camissoniopsis hirtella R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SBBG17305  Camissoniopsis intermedia M. Vincent 1962-4-6 163 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  CAS-BOT-BC160529  Camissoniopsis lewisii Alice Eastwood 1906-5-27 242 Los Angeles Roscoe Comment
  VVC2932  Camissoniopsis pallida subsp. pallida Tim Thomas 2014-5-4 6288 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  SBBG70069  Canbya candida Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  RSA724801  Cardamine californica K. Dobry 1991-3-23 d- 810 Los Angeles Santa Monica Mts. Cold Creek Cyn Montifish Prop Comment
  SFV19342  Cardamine californica J. N. Hogue, C. Solek 2005-4-8 237 .1 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. Glen Canyon. 670 Comment
  UCR23551  Cardamine debilis Alfred R. Roos 1958-6-12 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  UCR271838  Cardamine hirsuta R. G. Swinney 2011-3-15 14085 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn., east portion of park 244 Comment
  RSA719638  Cardamine oligosperma R. G. Swinney 1998-3-14 5913 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  RSA585576  Cardaria draba Timothy S. Ross 1992-4-21 6208 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon & Lower Cow Canyon, daining toward the latter 1317 Comment
  CAS-BOT-BC282956  Carduus nutans G. W. Garrettson 1954-6-24 s.n. Los Angeles San Vinsente Ranch, Walnut Comment
  UCR179687  Carex R. G. Swinney 1995-9-4 4502 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
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Sep 12 2018
  RSA0091512  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  SEINET7549337 Image available Carex alma Scott D. White, Brian Leatherman 1997-1-14 6048 Los Angeles NW San Gabriel Mts. Santa Clara River Watershed: Upper Oak Springs Cyn. above existing gravel quarry. USGS Mint Canyon Quad. 579 Comment
  UCR191161  Carex alma R. G. Swinney 1999-6-28 7458 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  UCR194181  Carex alma R. G. Swinney 1998-7-29 6527 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  SEINET7549334 Image available Carex alma Louis C. Wheeler 1946-5-19 6223 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  RSA605015  Carex athrostachya L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA364543  Carex fracta F. R. Fosberg, Joseph A. Ewan 1931-8-13 55548 Los Angeles Big Cienega, Pine Flats, N fork, San Gabriel River Comment
  SEINET7571004 Image available Carex pellita Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains, Graveyard Cayon, second side canyon. Comment
  UCR162295  Carex praegracilis Anuja Parikh, Nathan Gale 2004-6-22 2065 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  CAS-BOT-BC117944  Carex schottii George Bernard Grant 1904-4-1 137 a Los Angeles Pasadena. Comment
  SD53067  Carex triquetra Peter Raven 1962-5-21 17813 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon, clumps. 198 Comment
  SBBG108413  Carex tumulicola T. Ross 1995-5-21 8612 Los Angeles West fork at head of Snail Cyn, of slope Triangulation Pt, margin of draw bottom 237 Comment
  RSA0082906  Carpobrotus Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3126 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along path leading to ocean. 16 Comment
  LA210775  Castilleja affinis Norman A. Cole; May 1964 387 Los Angeles SANTA MONICA MOUNTAINS, 3.1 mi E from junction of Mulholland and Cornell Rd. 274 Comment
  LA52012  Castilleja affinis J. Ewan; 1930-5-30 s.n. Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  UC57003  Castilleja affinis subsp. affinis Ernest Braunton 1902-3-30 144 Los Angeles Elysian Hills Comment
  POM42509  Castilleja applegatei subsp. martinii Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA549192  Castilleja applegatei subsp. martinii Tim S. Ross, Peter Fritsch 1990-6-20 3674 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  SFV10452  Castilleja applegatei subsp. martinii M. L. Vincent 1964-6-24 577 Los Angeles San Gabriel Mountains Wrightwood Road, 2 miles west of Wrightwood, near the campground west of ranger station. 2070 Comment
  POM18012  Castilleja applegatei subsp. martinii Philip A. Munz 1923-5-26 6862 Los Angeles Rock Creek, San Gabriel Mountains 1707 Comment
  RSA664267  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1967-7-19 37167 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  RSA721304  Castilleja exserta R. G. Swinney 1998-4-11 5931 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  UC729802  Castilleja exserta Carl B. Wolf Los Angeles Avalon Santa Catalina Island (first main ridge s of Wm. Wrigley, Jr. home) 243 Comment
  UCR125499  Castilleja exserta A. C. Sanders, Mark Elvin 2003-4-14 25978 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UC27248  Castilleja exserta subsp. venusta J. Burtt Davy May 9 1896-May 24 1896 2653 Los Angeles between Manzana and Gorman's; Antelope Valley Comment
  SEINET10942981 Image available Castilleja gleasoni Adolph D. E. Elmer Elmer 3659 Los Angeles Acton. Comment
  SBBG126954  Castilleja linariifolia A. Parikh, N. Gale 2011-6-7 3422 Los Angeles 3.9 km W of St Hwy 14, 1.8 km SW of California Aqueduct; E Liebre Mtns 1040 Comment
  RSA448779  Castilleja minor subsp. spiralis V. V. Giles 1936-7-5 45 Los Angeles Holbrook Camp, San Gabriel Mountains. Comment
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Jun 17 2016
  JEPS3172  Castilleja plagiotoma Frank W. Peirson 1919-5-11 210 a Los Angeles Arrastre Canyon (Arraster? near Ravenna RR. station) Arrastre Canyon; San Gabriel Mountains, Arrastre Canyon 838 Comment
  PASA991  Castilleja plagiotoma Frank W. Peirson 1921-7-3 Los Angeles Blue Ridge, San Gabriel Mts. 2285 Comment
  UCR280759  Castilleja plagiotoma R. G. Swinney 2014-4-30 16302 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  SBBG125831  Castilleja subinclusa subsp. subinclusa A. Parikh, N. Gale 2010-5-24 3212 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  RSA429524  Caulanthus coulteri var. coulteri George R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  CAS-BOT-BC40219  Caulanthus lasiophyllus Robert F. Thorne; Arthur Charles Gibson 1971-5-22 39752 Los Angeles San Gabriel Mountains. Angeles National Forest. Fish Canyon. 396 Comment
  UCR200189  Caulanthus lasiophyllus Valerie Soza, Laura A. Moore 2000-5-10 871 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' 518 Comment
  RSA305374  Ceanothus arboreus D. C. Michener, John Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-6 4291 Los Angeles Santa Catalina Island. Cut along main road from Avalon to airport. 2.3 miles from airport. Comment
  RSA706405  Ceanothus cordulatus Tim Thibault, K. E. Olshewsky 2004-5-23 301 Los Angeles Mt. Waterman, along Hwy. 2 at fire road 2055 Comment
  RSA729459  Ceanothus cordulatus R. G. Swinney 1998-7-8 6319 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  LA52212  Ceanothus crassifolius Henry J. Thompson; 1959-2-23 1851 Los Angeles SANTA MONICA MOUNTAINS, Castro Peak, Latigo Canyon Rd, 1 mi SE Mulholland Hwy, N side of main crest of mountains, NW slope of Castro Peak. 594 Comment
  RSA0065635  Ceanothus crassifolius LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6790 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA398863  Ceanothus crassifolius Freda Detmers 1933-4-9 17259 Los Angeles Los Angeles National Forest, Little Tujunga Canyon. Comment
  RSA748667  Ceanothus crassifolius R. G. Swinney 2008-3-31 8592 Los Angeles Glendora Mountain summit 1003 Comment
  RSA0005504  Ceanothus cuneatus Hutchinson 1920-5-1 3332 Los Angeles Bouquet Canyon Comment
  JEPS42311  Ceanothus integerrimus J. R. Hall 1917-5-28 4 -H Los Angeles near Elizabeth Lake; Santa Barbara Forest 914 Comment
  RSA682124  Ceanothus integerrimus Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  LA30345  Ceanothus leucodermis Mary V. Hood; 1939-5-29 39- 54 -k* Los Angeles San Gabriel Mountains, Chilao Flats 1584 Comment
  POM156327  Ceanothus leucodermis L. R. Abrams 1902-7-1 2609 Los Angeles Near summit of Mt. Wilson 1738 Comment
  RSA621255  Ceanothus leucodermis Louis C. Wheeler 1968-4-26 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Head of Rattlesnake Canyon at Santa Clara Divide Road. 1410 Comment
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Aug 27 2014
  RSA747460  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora. 671 Comment
  RSA399704  Ceanothus megacarpus var. insularis C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Catalina Island. Banning Canyon. Comment
  UCR3985  Ceanothus oliganthus 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
  UC535518  Ceanothus spinosus Ira W. Clokey, B. Templeton Mar 1929 4438 Los Angeles Mandeville Canyon, Santa Monica Mountains 76 Comment
  SD2993  Ceanothus tomentosus Ruth Randall July 1931 Los Angeles Big Pines Comment
  UCR16690B  Ceanothus vestitus J. L. Huber 1969-5-25 974 Los Angeles San Gabriel Mountains, Chilao, 1 mi north of Chilao Fire Station 1524 Comment
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR157905  Centaurea melitensis Robert J. Steers 2005-5-8 10 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA534047  Centaurea melitensis Timothy S. Ross, Orlando Mistretta 1991-5-19 5271 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove. 1800 ft SE of Malo Knoll 426 Comment
  RSA719134  Centaurea melitensis Naomi Fraga 2001-5-11 37 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  JEPS46929  Centaurium venustum Chas. J. Lovell 1941-7-2 Los Angeles Altadena San Gabriel Mts. Comment
  RSA603337  Centranthus ruber Scott D. White 1997-5-21 5206 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  RSA644926  Centromadia pungens subsp. pungens R. E. Riefner s.n. Los Angeles Lancaster, SW of Rte 14 and Rte 138 int. Comment
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Dec 16 2012
  UCR277223  Centrostegia thurberi R. G. Swinney 2010-6-1 13173 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
  UCSB1363  Centrostegia thurberi Hawkins, L. 1956-4-13 Los Angeles 16 miles E of Little Rock on Rt. 138 Comment
  RSA762300  Cerastium glomeratum Orlando Mistretta, Christine Mistretta 2008-5-5 2652 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  SD51883  Cerastium glomeratum Peter H. Raven 1962-4-10 17210 Los Angeles San Clemente Island; summit of Thirst. 579 Comment
  UC1215147  Cerastium glomeratum Peter H. Raven 1962-4-10 17210 Los Angeles summit of Thirst (San Clemente Isl.); San Clemente Isl. 579 Comment
  PASA1216  Cercocarpus betuloides Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCR146100  Cercocarpus betuloides James Henrickson 2000-4-29 20731 Los Angeles c. 2 miles east of La Cresenta along Angeles Crest Highway c. 2-5 miles NE of the 210 Freeway, in Los Angeles National Forest. 1067 Comment
  LA200811  Cercocarpus betuloides var. betuloides Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4552 Los Angeles Santa Monica Mountains, above Encino 396 Comment
  CATA3230  Cercocarpus betuloides var. blancheae Julie L. King 2017-1-17 41 Los Angeles Santa Catalina Island: West End Rd. between Howlands Landing & Cherry Valley, about 1.2 road miles north of entrance to Cherry Valley 56 Comment
  RSA161096  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  SBBG128349  Cercocarpus betuloides var. blancheae M. L. Hoefs, S. A. Junak, M. Askew 1999-7-15 3061 Los Angeles Lower Bulrush Cyn 262 Comment
  RSA351642  Chaenactis artemisiifolia Geo L. Moxley 1915-7-19 388 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCR194039  Chaenactis fremontii R. G. Swinney 1999-6-5 7262 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCSB10326  Chaenactis fremontii Phillips, Priscilla 1958-4-26 Los Angeles 2 miles south of Palmdale, route 138 Comment
  UCSB11122  Chaenactis fremontii Haines, Bruce 1962-5-4 Los Angeles 5.8 miles east of junction with U.S. Highway 6 on California 138 883 Comment
  SD52991  Chaenactis glabriuscula Peter H. Raven 1962-5-1 17523 Los Angeles Santa Monica Mountains, just south of Agoura. 259 Comment
  UCR186978  Chaenactis glabriuscula A. C. Sanders 2006-4-10 31987 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
  UCR205234  Chaenactis glabriuscula R. G. Swinney 2008-3-26 8566 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  SFV13412  Chaenactis glabriuscula var. glabriuscula W. M. Perry 1980-7-3 68 Los Angeles San Gabriel Mountains Cattle Canyon on 2N06, at narrows. Comment
  UCR259892  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-6-1 13077 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UC1184978  Chaenactis glabriuscula var. glabriuscula Huron H. Smith 1912-5-3 4916 Los Angeles Azuza 243 Comment
  CAS-BOT-BC277519  Chaenactis glabriuscula var. lanosa Le Roy Abrams 1901-4-1 1341 Los Angeles Chatsworth Park Comment
  UCSB49513  Chaenactis xantiana Smyth, A. 1983-5-8 Los Angeles North side of Gorman Park Rd., 1 mile E of intersection with I-5 365 Comment
  SDSU21096  Chamaesyce albomarginata Ian Cain, Bruce Lund 2010-5-10 1406 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  RSA653467  Chamaesyce melanadenia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 752 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. 457 Comment
  RSA585914  Chamaesyce serpillifolia T. S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  UC1130432  Chamaesyce serpyllifolia Jerome S. Horton 1936-8-25 384 Los Angeles Tanbark Flat 792 Comment
  UC73391  Chamaesyce serpyllifolia J. Q. Adams 1905-1-1 5 Los Angeles Sredier's home Comment
  CAS-BOT-BC70013  Cheilanthes covillei Marcus E. Jones 1882-2-27 3033 Los Angeles Rubio Wash Comment
  RSA482388  Cheilanthes covillei Richard Noyes 1987-10-17 454 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  UC650549  Cheilanthes covillei Marcus E. Jones, A. M. 1882-2-27 3033 Los Angeles Pasadena Comment
  UCSC001061  Cheilanthes covillei Peter Kamb 1948-5-6 960 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock. - San gabriel Mts., Little Rock 975 Comment
  NY185211  Cheiranthus suffrutescens L. Abrams 1902-6-10 2511 Los Angeles Playa del Rey Comment
  UCR204033  Chenopodium R. G. Swinney 2001-9-16 8157 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  RSA660101  Chenopodium album Orlando Mistretta 1992-6-12 553 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA620021  Chenopodium ambrosioides LeRoy Gross 1998-11-1 97 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  RSA12652  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1934-8-16 6046 Los Angeles Bryant Ranch east of Long Beach. So. of N.W. corner of 1/4 sect. 3 Comment
  RSA0049481  Chenopodium berlandieri Richard G. Swinney 2010-8-16 13519 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA601061  Chenopodium berlandieri Steve Boyd, Lauren Raz 1997-6-18 9997 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Ritter Ridge, 2.4 road miles west of intersection with Highland St. 877 Comment
  UCR259158  Chenopodium berlandieri R. G. Swinney 2010-8-30 13609 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA0020306  Chenopodium botrys Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5100 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA626231  Chenopodium botrys L. C. Wheeler 1966-10-1 8926 Los Angeles San Gabriel Mountains: Big Tujunga Canyon at Colby Ranch Road. 960 Comment
  UCR194839  Chenopodium botrys R. G. Swinney 1998-8-6 6680 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA717373  Chenopodium californicum Scott D. White, Pam De Vries 2006-5-9 11389 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR182205  Chenopodium californicum R. G. Swinney 1998-4-14 6005 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA729757  Chenopodium hians R. G. Swinney 1999-7-5 7527 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
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Apr 11 2010
  RSA478534  Chenopodium murale Blanche Trask 1900-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  POM11249  Chenopodium murale F. L. Robinson 1920-5-9 69 Los Angeles Claremont. Comment
  CATA141  Chlorogalum pomeridianum Mark L. Hoefs, A. Douglas Propst 1973-3-14 105 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  UCR149829  Chlorogalum pomeridianum Scott D. White, Pam Devries 2004-5-18 10407 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
  UC1792811  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 365 Comment
  UCR238092  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, west side of Grapevine Mesa, 4 km SW (216 deg. ) of intersection of I-5 Fwy and Hwy 126 366 Comment
  CAS-BOT-BC244803  Chorizanthe staticoides Marcus E. A M Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  JEPS57759  Chorizanthe staticoides Frank W. Peirson 1918-6-12 26 Los Angeles foothills e Rubio Canyon (San Gabriel Mountains); , foothills e Rubio Canyon 609 Comment
  RSA65268  Chorizanthe staticoides F. W. Peirson 1921-5-20 5342 Los Angeles Little Rock Creek 1067 Comment
  UC2043046  Chorizanthe staticoides Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7479 Los Angeles Pine Canyon Road along San Andreas Fault on N side of San Gabriel Mts. (Co Rd N2) Comment
  UCR277133  Chorizanthe staticoides R. G. Swinney 2010-5-25 12952 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Manzanita Trail 150 meters south of Nature Center 488 Comment
  RSA771592  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA226104  Chorizanthe xanti Robert F. Thorne, C. W. Tilforth 1971-6-17 39892 Los Angeles N slope of San Gabriel Mts., along Soledad Canyon Road, ca. 2 mi. W of Soledad Station 579 Comment
  RSA682515  Chorizanthe xanti var. xanti Scott D. White, Michael Honer 2003-5-7 9207 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  UCR186940  Chorizanthe xanti var. xanti A. C. Sanders 2006-4-25 32169 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CDA7840  Chrysanthemum coronarium Michael O Brien 2008-4-13 s.n. Los Angeles La Piedra State Beach 0 Comment
  UCR204806  Chrysothamnus nauseosus R. G. Swinney 2005-8-26 8529 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  RSA601157  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1966-10-22 9042 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  POM352027  Chrysothamnus teretifolius Roy R. Snelling 1977-10-10 771010 .3 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  SD30676  Cichorium intybus Edith A. Purer 1931-5-8 Los Angeles Roadside, Los Angeles. Comment
  PASA84  Cirsium occidentale Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  SFV3834  Cirsium occidentale var. californicum P. M. Kennamer 1959-3-28 117? Los Angeles San Gabriel Mountains Bouquet Canyon, 10 miles from junction of Bouquet and Soledad Canyons. 610 Comment
  RSA0070681  Cirsium occidentale var. californicum R. F. Thorne, M. Z. Thorne 1967-6-25 37111 Los Angeles San Gabriel Mountains. Upper Evey Canyon. 823 Comment
  SBBG131817  Cistanthe maritima S. A. Junak, B. Collins 1991-4-24 SCI 202 Los Angeles overlooking cove, S side of Eel Cove Cyn Comment
  RSA597025  Cistanthe monosperma Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3820 Los Angeles Ridgetop to the NNW of Crystal Lake (ridge descending SSW from Mt. Islip) 2232 Comment
  CAS-BOT-BC228706  Cistanthe umbellata LeRoy Abrams 1901-7-1 1936 Los Angeles Mt San Antonio 3048 Comment
  UCSB45472  Clarkia bottae Batson, J. 1979-5-25 Los Angeles 10 miles southwest of the junction of Highway 101 and Westlake Boulevard; on Highway 23 487 Comment
  CHSC3723  Clarkia cylindrica Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  CAS-BOT-BC172256  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1994-5-24 7869 Los Angeles Lower NE slope of Grass Mountain, Northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon, Liebre Mountains 1158 Comment
  RSA491785  Clarkia cylindrica subsp. cylindrica James L. Reveal 1988-5-17 6791 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon). Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  SBBG17117  Clarkia cylindrica subsp. cylindrica K. A. Wilson 1962-5-26 1287 Los Angeles Placerita Cynm, ca. 1 mi E of Hwy 6 Comment
  RSA724759  Clarkia deflexa K. Dobry 1991-6-24 d- 741 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UC1293695  Clarkia dudleyana P. C. Everett and E. K. Balls 1959-6-2 23852 Los Angeles near Intersection of Mulholland Drive and Road to Backus; Santa Monica Mts. 609 Comment
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May 25 2014
  UCR190260  Clarkia dudleyana R. G. Swinney 2000-5-21 7781 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon Rd., 1 mile south of junction with Hwy 39 at Rincon Station 915 Comment
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Mar 16 2017
  RSA678237  Clarkia epilobioides Valerie L. Soza, Steve D. Boyd 2002-4-10 1402 Los Angeles Del Sur Ridge, Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  RSA448273  Clarkia epilobioides Geo. L. Moxley 1915-5-31 s.n. Los Angeles Sturdevant s Trail. San Gabriel Mountains. Comment
  SBBG132122  Clarkia epilobioides S. A. Junak 1996-4-13 SCI 317 Los Angeles S of first cyn S of Bryce Cyn 15 Comment
  POM49217  Clarkia heterandra A. D. E. Elmer 1902-06 3688 Los Angeles Acton. Comment
  UC114002  Clarkia purpurea subsp. quadrivulnera R. D. Williams 1905-6-19 Los Angeles near Claremont; Burbank Canyon Comment
  RSA561606  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-5-18 8154 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
  RSA772421  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range, San Gabriel Mountains, Summit of Mt. Emma 1585 Comment
  RSA596921  Claytonia parviflora subsp. parviflora Timothy S. Ross, J. Mark Porter 1995-5-4 8524 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA0073720  Claytonia parviflora subsp. viridis Orlando Mistretta, Christine Mistretta 2005-4-21 2056 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA0094555  Claytonia parviflora subsp. viridis Richard G. Swinney 2011-6-6 15008 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UCD100738  Claytonia perfoliata Marc Meyer; Mike Alvord, Marc Blain 1993-3-14 9 Los Angeles San Gabriel Mts., Walker Ranch in Placerita Cyn. State Park. 450 Comment
  CAS-BOT-BC439916  Claytonia perfoliata subsp. intermontana John H. Thomas 1957-5-11 6753 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  SBBG110909  Claytonia perfoliata subsp. mexicana I. W. Clokey, B. Templeton -Mar-1929 4527 Los Angeles Mandeville Cyn 350 Comment
  UC557715  Claytonia perfoliata subsp. mexicana Nell Murbarger Mar 1936 85 Los Angeles San Clemente Island Comment
  CAS-BOT-BC439963  Claytonia perfoliata subsp. mexicana John I. Carlson 1918-4-24 s.n. Los Angeles Country adjacent to Los Angeles. Griffith Park Comment
  RSA527822  Claytonia perfoliata subsp. perfoliata Timothy S. Ross, Steve Boyd 1990-6-18 3477 -A Los Angeles Ball Flat, 1500 m due N of Jackson Lake. 1756 Comment
  RSA0044672  Clematis lasiantha Thekla Mohr 1897-05 s.n. Los Angeles Salor Canon. Comment
  IRVC29635  Cnicus benedictus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26201 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  POM94826  Cnicus benedictus L. C. Wheeler 1932-6-14 825 Los Angeles P.E. RR near fairgrounds, Pomona 259 Comment
  POM96827  Cnicus benedictus P. A. Munz 1926-5-3 10813 Los Angeles Weed along car track, Pomona Jct. 305 Comment
  UCD123533  Collinsia bartsiifolia J. M. Tucker 1962-4-18 3620 Los Angeles Oso Canyon; 1/2 mile above Coalfield fence. 1036 Comment
  SD4532  Collinsia linearis Ruth B. Randall 8/1928 78 Los Angeles Tejunga [Tujunga] Canyon Comment
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May 23 2012
  CAS-BOT-BC240953  Collinsia parryi Geo. B. Grant 1904-5-5 6260 Los Angeles Arroyo Seco Canyon Comment
  UC1971291  Collinsia parryi Russell S. Woglum 1942-5-20 3330 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest Comment
  UCR270900  Collinsia torreyi var. wrightii R. G. Swinney 2011-8-17 15642 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  SBBG127052  Colutea arborescens A. Parikh, N. Gale 2011-7-7 3544 Los Angeles Barley Flats, 4.3 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1690 Comment
  RSA592497  Comarostaphylis diversifolia subsp. planifolia Mark Hoefs, D. Propst 1973-3-14 125 Los Angeles Santa Catalina Island: in First Side Canyon of Cape Canyon 244 Comment
  SD124085  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-3-22 1404 Los Angeles Santa Catalina Island; westnorthwest of Mt. Orizaba, northnortheast of Mt. Banning, in canyon that is a branch of Cottonwood Canyon. 284 Comment
  SFV21106  Conium maculatum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1107 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. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  UCR252780  Conium maculatum R. G. Swinney 2010-3-10 11797 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  SBBG93454  Constancea nevinii J. C. Nevin -- Los Angeles San Clemente Island Comment
  UC1234693  Constancea nevinii Peter H. Raven 1962-4-12 17312 Los Angeles in canyon below the Tomb; San Clemente Island 121 Comment
  POM307073  Convolvulus arvensis Henry J. Ramsey, Henry J. Ramsey, Don Ramsey 1937-8-19 1933 Los Angeles Below north Whittier Heights Comment
  UCR152462  Conyza canadensis A. C. Sanders, Lee Jones 2005-4-8 29342 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA0084750  Cordylanthus rigidus subsp. setiger Scott D. White, Pam De Vries 2004-6-14 10501 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA412298  Cordylanthus rigidus subsp. setiger Francis W. Pennell, P. A. Munz 1940-8-24 26468 Los Angeles Gravelly soil along stream-course. Pomona College, Claremont. 366 Comment
  CDA21765  Coreopsis bigelovii G. D. Barbe, T. C. Fuller 1973-4-9 1189 Los Angeles 4 miles (6.4 km) south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway. 0 Comment
  JEPS33598  Coreopsis bigelovii R. F. Hoover 1938-4-16 3120 Los Angeles near Bailey's; Upper Antelope Valley Comment
  RSA599326  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-26 9354 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UC1871060  Coreopsis bigelovii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4786 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  POM4868  Coreopsis californica C. F. Baker 1903-4-15 4090 Los Angeles Claremont. Comment
  CAS-BOT-BC105684  Corethrogyne filaginifolia Bunch; Baily 1974-8-15 74 -673 Los Angeles Texaco Oil Field, Castaic Comment
  JEPS41864  Corethrogyne filaginifolia Frank W. Peirson 1918-8-6 257 Los Angeles Mt. Wilson, Toll Road San Gabriel Mts., Mt. Wilson 883 Comment
  OBI34891  Corethrogyne filaginifolia David J. Keil 1983-8-23 17864 Los Angeles Just W of Leo Carillo State Beach along hwy 1, ca 1 mi E of Ventura County line Comment
  RSA316995  Corethrogyne filaginifolia Thomas S. Elias, Walter Wisura 1984-7-27 8515 Los Angeles North of Malibu; Point Dume. Comment
  UC101087  Corethrogyne filaginifolia H. M. Hall 1905-7-1 6723 Los Angeles near Redondo Comment
  UCR271602  Corethrogyne filaginifolia R. G. Swinney 2011-10-13 15793 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  POM57993  Corethrogyne filaginifolia var. filaginifolia Minnie Reed 1895-8-17 s.n. Los Angeles Pomona. Comment
  CAS-BOT-BC212114  Cornus sericea Ernest Braunton 1902-8-1 652 Los Angeles Oak Knoll Comment
  UCD95110  Corydalis caseana subsp. caseana Milo S. Baker 1935-6-25 s.n. Los Angeles near Junction of Highways 39 and 89. Comment
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Jun 23 2016
  CATA2887  Cosmos bipinnatus Sara L. Crockett, Michael Daligdig 1996-11-4 21 Los Angeles Santa Catalina Island: Casino point, and along walkway 4 Comment
  CDA21782  Cotula australis L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA509593  Crassula connata L. C. Wheeler 1967-5-13 9528 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA423449  Crassula connata var. erectoides Louis Greata 1901-03 s.n. Los Angeles Highland Park. Comment
  RSA545172  Crassula connata var. eremica Tim Ross 1992-4-15 6195 Los Angeles San Clemente Island. Central upland portion of the island, SW ofLedge; 236 degrees SW, ca 170m distant from summit ofLedge. 393 Comment
  SBBG128067  Crepis setosa M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-11 2751 Los Angeles Avalon School science building, Falls Cyn 27 Comment
  UC879476  Cressa truxillensis L. W. Nuttall 804 Los Angeles Santa Catalina Isl. Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  LA50641  Croton californicus Harlan Lewis; 1940-4-3 1279 Los Angeles Santa Monica Mountains, 10 mi. W of Malibu Beach Comment
  POM2751  Croton californicus J. F. Illingworth 1898-05 87 Los Angeles Claremont. 366 Comment
  RSA247353  Croton californicus var. tenuis Gary D. Wallace, G. Cromwell 1966-4-30 521 Los Angeles Along the bluffs of Palos Verdes Penninsula, near Marrineland of the Pacific. Comment
  SBBG128122  Croton setiger M. L. Hoefs 1994-7-18 1879 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  UCR252880  Cryptantha R. G. Swinney 2010-5-11 12663 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
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Dec 7 2018
  RSA709627  Cryptantha barbigera LeRoy Gross 2005-4-28 2123 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  SBBG63629  Cryptantha barbigera R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  RSA607393  Cryptantha circumscissa L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: North base Mt. Hillyer. 1828 Comment
  SD230183  Cryptantha circumscissa Louis C. Wheeler 1968-5-27 Los Angeles San Gabriel Mountains: Alimony Ridge. 1493 Comment
  UC280372  Cryptantha clevelandii J. H. Barber 1897-3-14 48 Los Angeles Santa Monica Forestry Station Comment
  RSA0031369  Cryptantha clevelandii R. F. Thorne 1966-4-5 35850 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  UC219144  Cryptantha clevelandii var. clevelandii Munz and Harwood 1920-3-13 3299 Los Angeles 2 mi w Pomona; San Jose Hills 304 Comment
  POM3960  Cryptantha clevelandii var. florosa L. R. Abrams 1901-4-1 1198 Los Angeles Ballona Harbor. Comment
  POM368217  Cryptantha corollata Robert Gustafson 1978-5-2 927 Los Angeles Off the dirt road running through the southern part of Hungry Valley, northeast of the Lane Ranch, near the base of Freeman Canyon, about 4 miles south of Gorman 1006 Comment
  CHSC95905  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4NR12W S1 NE1/4, T4NR11W S6 NW1/4. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  UCR280418  Cryptantha decipiens Onkar Singh 2014-3-18 4376 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  RSA499600  Cryptantha intermedia L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout Canyon, Big Pines. Comment
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Jan 4 2012
  RSA653769  Cryptantha intermedia J. Bogdanoff-Lord 1989-5-5 1 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
  UCR178044  Cryptantha intermedia LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1064 Los Angeles Transverse Ranges, Verdugo Mountains region, north side of mountains north of Hostetter Motorway just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit 457 Comment
  UCR273269  Cryptantha intermedia R. G. Swinney 2011-5-10 14655 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  POM369525  Cryptantha intermedia M. Bisbee 1917-5-1 s.n. Los Angeles Hills north side of Eagle Rock Valley. Comment
  SFV21065  Cryptantha intermedia L. Gross 2001-5-6 382 Los Angeles Verdugo Mountains Along trail that comes up from Morning Glow Way off of La Tuna Canyon Road in city of Sun Valley. Comment
  RSA585343  Cryptantha micrantha T. S. Ross 1991-4-27 4638 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA614331  Cryptantha micrantha L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/4 mile south-southwest of Blum Ranch. 914 Comment
  UCR177573  Cryptantha micrantha subsp. micrantha LeRoy Gross 2005-5-3 2208 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  LA94312  Cryptantha micromeres A. M. Johnson; 1934-5-1 4443 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR261354  Cryptantha micromeres R. G. Swinney 2010-3-13 11887 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UC1182218  Cryptantha micromeres Peter H. Raven and Henry J. Thompson 1960-4-12 15031 Los Angeles sw of Seminole Hot Springs; Santa Monica Mountains 365 Comment
  RSA647795  Cryptantha microstachys LeRoy Gross, Laura Moore 2000-6-5 203 b Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  POM3968  Cryptantha microstachys Dian Haynes s.n. Los Angeles Arroyo Seco, Pasadena Comment
  UCSB5579  Cryptantha microstachys Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  RSA0080792  Cryptantha muricata R. G. Swinney 2010-4-13 12185 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  RSA0105973  Cryptantha muricata R. G. Swinney 2011-7-8 15501 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  UC153565  Cryptantha muricata LeRoy Abrams 1902-6-17 2555 Los Angeles Sepulveda canyon Santa Monica Mountains Comment
  UCR255835  Cryptantha muricata R. G. Swinney 2010-4-20 12308 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA0094561  Cryptantha muricata var. denticulata Richard G. Swinney 2011-6-6 15011 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0079199  Cryptantha muricata var. denticulata Gary D. Wallace, Ann Hiller 1983-5-18 2037 Los Angeles San Gabriel Mountains, Angeles National Forest. Near mile post 22.82 along Angeles Forest Hwy. 945 Comment
  RSA0079360  Cryptantha muricata var. muricata Steve Boyd, Lauren Raz 1997-3-31 9395 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  SBBG24810  Cryptantha muricata var. muricata R. N. Philbrick 1965-5-20 B 65 -1176 Los Angeles 1 mi E of Agua Dulce Rd and ca. 1 mi S of Antelope Valley Freeway 701 Comment
  RSA0079604  Cryptantha muricata var. muricata L. C. Wheeler 1967-5-18 9616 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SD39202  Cryptantha muricata var. muricata Edith A. Purer 1935-5-11 6589 Los Angeles Santa Monica Mountains, hillside Comment
  CHSC95494  Cryptantha nevadensis LeRoy Gross 2005-4-28 2121 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  RSA499745  Cryptantha nevadensis var. rigida Robert Gustafson 1977-4-20 417 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA593893  Cryptantha nevadensis var. rigida Steve Boyd 1996-4-24 8654 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
  RSA587374  Cryptantha nevadensis var. rigida Orlando Mistretta 1995-4-25 1641 D Los Angeles San Gabriel Mountains, Kitter Canyon: near the confluence of Kitter Canyon and Little Rock Creek. 1098 Comment
  UCR169413  Cryptantha oxygona R. G. Swinney 1996-5-27 4739 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  RSA624653  Cryptantha oxygona L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  IRVC26660  Cryptantha pterocarya L. C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek, 0.75 mi N of Big Rock Springs San Gabriel Mtns. 1159 Comment
  RSA0008570  Cryptantha traskiae F. W. Peirson 1923-4-11 3421 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  LA211145  Cucurbita pepo var. pepo Arthur C. Gibson; 2011-6-26 5352 Los Angeles SANTA MONICA MOUNTAINS, Rocky Oaks National Recreation Area, next to parking lot. Comment
  RSA781297  Cuscuta californica R. G. Swinney 2009-7-22 11368 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UC153883  Cuscuta californica LeRoy Abrams 1902-7-5 2654 Los Angeles near Azusa Comment
  CHSC95477  Cuscuta pentagona LeRoy Gross; Wayne Law 2000-8-8 253 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  SD90523  Cuscuta subinclusa Robert F. Thorne, J. Dourley 1967-10-3 37273 Los Angeles Mt. Baden-Powell; north slope at Vincent Gap. 2285 Comment
  RSA602822  Cynodon dactylon L. C. Wheeler 1932-9-5 1347 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  UCSB6801  Cynodon dactylon B., K. 1943-3-25 Los Angeles Dalton CCC Camp, in the San Dimas Experimental Forest, San Gabriel Mountains 335 Comment
  UCR272916  Cyperus odoratus Steven A. Junak 2000-10-12 SCa- 1409 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  RSA365132  Cyperus squarrosus V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake Comment
  RSA601030  Cystopteris fragilis L. C. Wheeler 1966-9-21 8918 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2439 Comment
  RSA736767  Datura stramonium Scott D. White, Ed Kentner, Amanda Breen 2007-7-18 11759 Los Angeles Whittier Narrows Recreation Area- S of the 60 freeway and W of 605 freeway. Legg Lake 64 Comment
  UCD126634  Datura wrightii Gordon Pilone 1961-5-7 164 Los Angeles South of Santa Ana Botanic Gardens in Claremont. San Gabriel Mt. Range. 390 Comment
  UCR108315  Datura wrightii L. C. Wheeler 1946-9-16 6370 D Los Angeles Garvey: Walnut Grove Avenue and Rush Street 75 Comment
  UCD126642  Datura wrightii Kenneth A. Wilson 1961-4-26 1161 Los Angeles Soledad Canyon, small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  SBBG108419  Daucus pusillus T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8586 Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt Comment
  UC1605445  Daucus pusillus Tim Ross and Steve Boyd 1993-5-23 7254 Los Angeles ca. 700 meters s.-s.w Plum Spring (in upper Clearwater Canyon) (saddle between Red Mt's. long e. ridge and a small notched peak (3227 ft)); Green Valley U.S.G.S. 7.5' Quad., n.w. Los Angeles Co., Lieb 896 Comment
  LA200232  Deinandra fasciculata Norman A. Cole; May 1964 407 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  SBBG128337  Deinandra fasciculata A. Cheung, D. Kasang, S. Lawrence-Gomez, M. Zou, S. Ratay 2011-7-1 12 Los Angeles Deer Valley Trail 23 Comment
  SFV21469  Deinandra fasciculata L. Gross 2001-5-27 421 Los Angeles Verdugo Mountains Northwest side of mountains. Dead end street at corner of Tuxford St. and Ledge Ave. just north of Sun Valley, just west of mouth of McDonald Creek. Along dirt trail on the crest between La Tuna Canyon and Sunland Blvd. Collection just west of above coordinates. 427 Comment
  RSA713807  Delphinium cardinale Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1353 Los Angeles Mesa Lila Rd, southeast side of Henderson Canyon. 427 Comment
  POM148  Delphinium parryi J. F. Illingworth 1898-06 s.n. Los Angeles Claremont. 366 Comment
  RSA398712  Delphinium parryi M. B. Dunkle 1931-4-22 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC121378  Delphinium parryi subsp. maritimum John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Catalina Island Comment
  CAS-BOT-BC116263  Delphinium parryi subsp. parryi Timothy S. Ross; James Mark Porter 1995-5-4 8414 Los Angeles Liebre Mountains, Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 585 Comment
  RSA715344  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Western Transverse Range: Newhall Ranch, River Park area east of I-5, N of Santa Clara River and west of Bouquet Canyon. 351 Comment
  POM230715  Delphinium patens subsp. hepaticoideum I. W. Clokey, E. G. Anderson 1935-5-9 6621 Los Angeles San Dimas Canyon Comment
  UCR133620  Delphinium patens subsp. hepaticoideum I. W. Clokey, B. C. Templeton 1929-1 4433 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  CAS-BOT-BC116378  Delphinium patens subsp. montanum Timothy S. Ross 1993-5-16 7148 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. Mt. Baldy 7.5' USGS quadrangle; 1331 Comment
  SD44590  Dendromecon harfordii Reid Moran 1949-2-8 3150 Los Angeles Johnsons Cove, Catalina. Comment
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Jun 22 2016
  CAS-BOT-BC82905  Dendromecon rigida Tim Ross; Steve Boyd 1993-5-23 7224 Los Angeles Liebre Mountains. Lower, easterly ridge of Red Mountain, on northerly slope 140-220 meters southeast of the saddle. 963 Comment
  CAS-BOT-BC82908  Dendromecon rigida C. F. Baker 1904-4-4 4150 Los Angeles Claremont. Comment
  UC855082  Dendromecon rigida Alice Eastwood 1913-5-11 3155 Los Angeles San Fernando Wash Comment
  UCR260791  Dendromecon rigida R. G. Swinney 2010-2-27 11733 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
  CAS-BOT-BC82913  Dendromecon rigida D. W. Kyhos 1962-2-23 62 -17 Los Angeles Backus Road 10.2 miles west of junction with Mulholland Highway. Comment
  RSA188918  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Percy C. Everett 1965-6-22 34845 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  POM365024  Deschampsia danthonioides Hasse, Davidson 1906-6-1 1601 Los Angeles Big Rock Creek. Comment
  CLARK-A1528-4868  Descurainia pinnata John C. Roos 1937-3-9 1391 Los Angeles Claremont Comment
  POM369388  Descurainia pinnata subsp. glabra M. Maslow 1968-3-30 20 Los Angeles on road 3.7 miles north of Palmdale and 0.3 miles west of calif. Hwy. 14. Comment
  CAS-BOT-BC43489  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  UCD114787  Descurainia sophia O. K. Heddon 1931-3-14 2179 Los Angeles Lancaster. Comment
  RSA155821  Desmazeria rigida P. H. Raven 1962-5-22 17826 Los Angeles Santa Catalina Island: near mouth of Cherry Canyon 61 Comment
  RSA0056419  Dicentra ochroleuca Bonnie C. Templeton 1930-6-17 1090 Los Angeles Frank's Canyon, N. of Beverly Hills. Comment
  CAS-BOT-BC499434  Dichelostemma capitatum E. K. Balls 1954-5-26 19413 Los Angeles (Rancho Santa Ana Botanic Garden) Native plants in garden, Claremont Comment
  SBBG57582  Dichelostemma capitatum subsp. capitatum R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SD262172  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-8 16453 Los Angeles San Gabriel Mountains: near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. Confluence. 537 Comment
  SD51922  Dichelostemma capitatum subsp. capitatum Peter H. Raven 1962-4-9 17142 Los Angeles San Clemente Island, common on grassy slopes near barracks, Wilson Cove. 60 Comment
  UC1023432  Digitaria ciliaris J. C. and A. R. Roos 1950-9-16 4989 Los Angeles 1700 Westwood Blvd. Los Angeles 60 Comment
  CAS-BOT-BC153186  Diplacus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of U.S.F.S. 2133 Comment
  SD51780  Diplacus johnstonii Rimo Bacigalupi, G. T. Robbins & L. R. Heckard 1953-6-15 4202 Los Angeles Along forest service road following summit of Mendenhall Ridge, 12.0 miles east of its start at paved road between Little Tujunga and Pacoima canyons Comment
  CAS-BOT-BC150632  Diplacus longiflorus Francis W. Pennell 1940-6-25 26004 Los Angeles Mount Wilson 1706 Comment
  CAS-BOT-BC150639  Diplacus longiflorus Le Roy Abrams 1899-3-30 329 Los Angeles Sepulveda [Canon] Canyon, S. Monica Mts. Comment
  CAS-BOT-BC150650  Diplacus longiflorus E. L. Greene 1885-5-16 s.n. Los Angeles All Saints' Bay Comment
  SD90595  Diplacus puniceus Robert F. Thorne 1970-3-5 39363 Los Angeles Santa Catalina Island; N slope of Blackjack Mt. 456 Comment
  CATA3371  Dissanthelium californicum Peter J. Dixon 2016-4-14 045 Los Angeles Santa Catalina Island: Isthmus area, Deer Springs watershed, 680 m north of Tower Peak 216 Comment
  UCR141191  Dithyrea californica June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  RSA65161  Dodecahema leptoceras F. W. Peirson 1925-4-19 5776 Los Angeles On Upper Boulevard, just E of Pacoima Bridge, SW base of San Gabriel Mts. Comment
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Sep 9 2015
  UC1211152  Dodecatheon clevelandii subsp. clevelandii Huron H. Smith 1912-4-23 4818 Los Angeles Eagle Rock 213 Comment
  RSA177790  Dodecatheon clevelandii subsp. insulare Robert F. Thorne, Percy C. Everett 1965-5-10 34465 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain 457 Comment
  RSA161206  Draba cuneifolia P. H. Raven 1962-3-27 16993 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  UC465843  Drosanthemum floribundum R. L. Pendleton 1909-7-2 1352 Los Angeles Road e of Avalon (Santa Catalina Island); Santa Catalina Island 6 Comment
  JEPS44248  Drymocallis cuneifolia var. ewanii Frank W. Peirson 1921-6-18 493 a Los Angeles n slope of Windy Camp San Gabriel Mts., Mt. Islip (Mt. Islip) 2255 Comment
  RSA0127371  Drymocallis glandulosa Louis C. Wheeler 1967-7-15 10041 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC157705  Drymocallis glandulosa var. glandulosa Geo. B. Grant 1901-7-26 4468 Los Angeles Sturtevant's Camp Comment
  CAS-BOT-BC536115  Drymocallis glandulosa var. reflexa Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38900 Los Angeles Canyon above Angeles Crest Hwy. c. 1 mile west of Vincent Gap, at one of the headwaters of east fork Big Rock Creek noth face Mt. Baden-Powell, San Gabriel Mts., Angeles National Forest 2331 Comment
  LA200105  Dryopteris arguta Lawrence L. Kiefer; 1966-3-20 1763 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 2 mi from Topanga on Old Topanga Rd. 274 Comment
  RSA0088006  Dryopteris arguta R. G. Swinney 2010-6-21 13282 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
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA693714  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Eagle's Nest, Santa Catalina Island. Comment
  SFV15993  Dryopteris arguta K. A. Wilson 1994-7-9 2454 Los Angeles Santa Monica Mountains Malibu Creek State Park. Southwest end of Century Lake. Comment
  UCR213785  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood 2009-5-6 12660 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  LA105276  Dudleya greenei Lyman Benson; 1952-5-2 15115 Los Angeles Santa Catalina Island, N face of Swain Canyon, Whites Landing 182 Comment
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Sep 4 2014
  LA103028  Dudleya lanceolata Peter H. Raven; David S. Verity 1960-5-7 15338 Los Angeles Santa Monica Mountains, Long Grade Canyon, 2 mi. above Camarillo State Hospital Comment
  UCR157912  Dudleya lanceolata Robert J. Steers 2005-5-8 22 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA587397  Dudleya lanceolata Orlando Mistretta 1992-5-8 317 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA631348  Dudleya lanceolata L. C. Wheeler 1967-7-6 9937 Los Angeles San Gabriel Canyon. 274 Comment
  LA104977  Dudleya pulverulenta subsp. pulverulenta Kei Nakai; June 21 1982 - May 1975 sn Los Angeles Santa Monica Mountains, Temescal Canyon, ca 3 mi up canyon from Sunset Blvd 121 Comment
  RSA507544  Dudleya pulverulenta subsp. pulverulenta L. C. Wheeler 1967-6-26 9876 Los Angeles Elsmere Canyon. 457 Comment
  UC1593824  Dudleya virens Jim Dice, Rowena Thompson and Bob Thompson 1983-6-7 350 Los Angeles 0.6 mi s Palos Verdes Dr South (se of Portuguese Bend, on cliff above ocean); Palos Verdes Hills Comment
  RSA397767  Dudleya virens subsp. hassei M. B. Dunkle 1928-4-11 1859 Los Angeles Isthmus, Santa Catalina Island. Comment
  SEINET13276801 Image available Dysphania botrys R. G. Swinney 2011-1 15886 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  CATA1315  Dysphania pumilio Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2407 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  RSA0008144  Echinochloa crus-galli P. H. Raven, H. J. Thompson 1959-9-6 14404 Los Angeles Near mouth of Malibu Creek. Santa Monica Mountains. 12 Comment
  UCR147717  Echinodorus berteroi L. C. Wheeler 1953-9-27 7052 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Arroyo Seco, just upstream 100 yards from Pasadena water intake Comment
  SD230103  Echinodorus berteroi Louis C. Wheeler 1951-8-20 6835 Los Angeles Devils Gate Dam. Drying lake bottom behind dam. Comment
  SBBG132311  Ehrharta calycina S. A. Junak, B. Collins 1991-4-26 SCI- 239 Los Angeles E side of island, at West Cove 9 Comment
  UCR275550  Ehrharta erecta D. E. Bramlet 2010-1-12 4439 Los Angeles South Coast, Oxford Basin, Marina del Rey, between Admiralty Way & Washington Blvd., near the bike path 3 Comment
  RSA0124766  Elatine brachysperma Louis C. Wheeler 1946-8-24 6230 Los Angeles San Gabriel Mountains; Crystal Lake. 1676 Comment
  UCR261778  Eleocharis R. G. Swinney 2010-9-13 13820 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  JEPS48970  Eleocharis coloradoensis L. C. Wheeler 1933-10-22 2192 Los Angeles San Gabriel Mts., Crystal Lake Comment
  CAS-BOT-BC113045  Eleocharis montevidensis I. Johnston 1917-6-14 s.n. Los Angeles West of Pomona, wet ground along creek. Comment
  RSA550378  Eleocharis parishii Timothy S. Ross 1992-7-10 6667 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  CAS-BOT-BC208518  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  RSA108484  Elymus X gouldii Frank W. Gould 1944-5-7 2333 Los Angeles Grassy roadside, under large Eucalyptus trees; just west of juncction of Imperial Highway and Firestone Blvd. (near Compton). Comment
  UCR232366  Elymus cinereus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8003 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, along east side of Sierra Highway, 250 m south of Avenue D 701 Comment
  SEINET3929482  Elymus condensatus Keith Dobry 1991-6-13 D 862 Los Angeles 1/2 mile N of Olsen Rd., off Moorpark Rd., Thousand Oaks, Simi Hills on slopes of Metclef Ridge.; 0 Comment
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May 26 2015
  CAS-BOT-BC227500  Elymus elymoides A. D. E. Elmer 1902-6-1 4166 Los Angeles Acton, Mt. Gleason Comment
  UC817404  Elymus glaucus Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR150553  Elymus glaucus R. G. Swinney 1999-6-21 7351 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  POM1320  Elymus glaucus subsp. glaucus D. L. Crawford 1916-5-20 716 Los Angeles Mountains above Claremont. 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
  RSA191351  Elymus glaucus subsp. jepsonii R. F. Thorne, M. Z. Thorne 1967-7-19 37197 Los Angeles San Gabriel Mountains, Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  UCR190056  Elymus glaucus subsp. virescens R. G. Swinney 1998-9-7 6930 Los Angeles San Gabriel Mtns., Dawson Peak ridge, Dawson Peak Ridge Trail 2829 Comment
  POM1328  Elymus multisetus D. L. Crawford 1916-5-20 714 Los Angeles Mountains above Claremont. Comment
  POM359949  Elymus multisetus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  SEINET1906671  Emmenanthe penduliflora A. C. Sanders, Helen Kennedy 2005-1 29486 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons. 457 Comment
  UCR277046  Emmenanthe penduliflora R. G. Swinney 2010-6-8 13230 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  CDA40327  Emmenanthe penduliflora Phillipson 1915-4-28 4 .1.A Los Angeles Monrovia. Comment
  RSA0061136  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6841 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA678394  Encelia actoni Valerie L. Soza, LeRoy Gross 2002-4-3 1377 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  CAS-BOT-BC131203  Encelia californica Alice Eastwood 1906-5-27 148 Los Angeles Laurel Canyon Comment
  SBBG121470  Encelia californica R. Burgess, P. Munro 1998-1-25 2633 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  CHSC14157  Enemion occidentale L. M. Mayer; I. J. Mayer 1974-4-10 159 Los Angeles 1 mi e of Bouquet Canyon Rd. on Sierra Pelona Rd. up 50 yds. along streambed. Comment
  CAS-BOT-BC81830  Ephedra nevadensis Lewis S. Rose 1968-4-5 68013 Los Angeles Acton, Mojave Desert 822 Comment
  NY73772  Ephedra nevadensis T. S. Ross 1992-4-4 6104 Los Angeles San gabriel Mountains: Big Rock Creek: ca. 0.25 mile south of Big Pines Highway, on alluvial bench between the stream and Bog Rock Creekl Road. Valyermo USGS 7.5' Quad 1207.0 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
  UCR258725  Ephedra nevadensis R. G. Swinney 2010-5-19 12836 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-BC166195  Epilobium canum subsp. canum Fordyce Grinnell, Jr. 1903-12-31 107 Los Angeles Mt. Wilson Trail, Santa Anita [Canon] Canyon 457 Comment
  POM37819  Epilobium canum subsp. canum Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  RSA322909  Epilobium canum subsp. canum Reid V. Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22691 Los Angeles San Clemente Island. Near mouth of Red Rock Canyon. 20 Comment
  RSA588434  Epilobium canum subsp. canum Blanche Trask 1900-11 s.n. Los Angeles Catalina Island, Avalon. Comment
  RSA638923  Epilobium canum subsp. canum Louis C. Wheeler 1946-8-27 6249 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek & Big Tujunga Canyon 869 Comment
  RSA0115963  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-21 13867 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA72097  Epilobium canum subsp. latifolium F. W. Peirson 1920-9-12 2292 Los Angeles South trail to Mt. San Antonio, San Gabriel Mts. 2683 Comment
  SBBG13516  Epilobium ciliatum E. R. Blakley 1962-10-5 5443 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA448494  Epilobium ciliatum E. S. Spalding 1923-7-12 s.n. Los Angeles Los Angeles. Comment
  UCR103766  Epilobium densiflorum David Charlton 1989-6-10 3214 Los Angeles Tehachapi Mtns., Tejon Pass, [Tejon Post Rd] Gorman Post Rd., 1 mile [S]SE of Gorman, alkali spring at the electric substation. 1098 Comment
  POM184674  Epipactis gigantea Joseph A. Ewan 1932-5-30 7229 Los Angeles North Fork Tujunga Creek, San Gabriel Mountains. 976 Comment
  UCR259092  Equisetum hyemale R. G. Swinney 2010-10-15 14061 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  RSA244908  Equisetum laevigatum F. R. Fosberg 1931-4-15 R 90 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  LA94018  Equisetum laevigatum Lawrence L. Kiefer; 1966-3-19 1747 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, 1.5 from mouth. 91 Comment
  POM352250  Eragrostis barrelieri Arthur Howe 1980-6-17 s.n. Los Angeles Ladera Heights Comment
  UCR51517  Eragrostis barrelieri A. C. Sanders 1987-9-18 7383 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  POM257622  Eragrostis pectinacea var. pectinacea L. C. Wheeler 1933-12-24 2336 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  RSA0048583  Eremocarpus setiger P. R. Brown 1970-6-10 s.n. Los Angeles Pierce College Nature Center, Canon de Lana. Comment
  RSA421754  Eremocarpus setiger F. R. Fosberg 1931-7-11 S- 5383 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 220 Comment
  IRVC28554  Eremocarpus setigerus A. C. Sanders 2003-8-5 27106 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  SBBG69940  Eremogone macradenia var. macradenia R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  LA200983  Eremothera boothii subsp. decorticans Carl Wishner; 1988-3-12 1413 Los Angeles 500.0 Comment
  UCR282002  Eremothera refracta R. G. Swinney 2014-5-1 16319 B Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  UCR223194  Eriastrum densifolium R. G. Swinney 2009-7-22 11301 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR263292  Eriastrum densifolium subsp. austromontanum Anuja Parikh, Nathan Gale 2012-6-24 3594 Los Angeles Transverse Range, San Gabriel Mountains, Upper Tujunga Canyon, 0.3 km east-northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1317 Comment
  RSA0107953  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  RSA0107959  Eriastrum densifolium subsp. elongatum Scott D. White 1997-5-14 5129 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
  UC880228  Eriastrum sapphirinum Ira W. Clokey, B. Templeton May 1929 4551 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  UCR258527  Eriastrum sapphirinum R. G. Swinney 2010-6-23 13311 Los Angeles San Gabriel Mountains/Verdugo Mountains, 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
  RSA0103452  Eriastrum sapphirinum subsp. brevibracteatum Anstruther Davidson 1892-7-11 s.n. Los Angeles Lancaster. Comment
  SD72848  Eriastrum sapphirinum subsp. dasyanthum F. R. Fosberg 1930-6-3 S 3105 Los Angeles San Gabriel River, El Monte. Comment
  SD113887  Eriastrum sapphirinum subsp. dasyanthum D. F. Howe June 1915 77 Los Angeles Claremont. Comment
  POM359325  Ericameria cuneata var. cuneata George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon. Comment
  HSC87290  Ericameria linearifolia Steve Boyd, T. S. Elias 1987-4-14 2049 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA590070  Ericameria linearifolia Orlando Mistretta 1994-3-30 984 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  SFV4103  Ericameria linearifolia K. A. Wilson 1961-3-11 990 Los Angeles San Gabriel Mountains San Francisquito Canyon. 3 miles south of Green Valley. 790 Comment
  RSA716353  Ericameria linearifolia Andrea Edwards, Pam De Vries 2006-5-15 101 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SEINET6054044  Ericameria linearifolia Unknown 1997-3-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UC590905  Ericameria nauseosa var. hololeuca F. R. Fosberg 1931-7-11 7057 Los Angeles near Reservoir Summit (Ridge Route, w Sierra Madre Mountains); Sierra Madre Mountains 1200 Comment
  CAS-BOT-BC298042  Ericameria nauseosa var. mohavensis Timothy S. Ross; Steve Boyd 1994-9-21 8279 Los Angeles Liebre Mts. Vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC298049  Ericameria nauseosa var. mohavensis Frank W. Peirson 1928-9-5 8192 Los Angeles Lower part of road from Rock Creek to Big Pines, San Gabriel Mts 1280 Comment
  UC203162  Ericameria nauseosa var. oreophila H. M. Hall 1917-10-26 10575 Los Angeles Lancaster 716 Comment
  CAS-BOT-BC299510  Ericameria palmeri var. pachylepis Louis C. Wheeler 1931-10-16 254 Los Angeles U.C.L.A. Campus, west Los Angeles 114 Comment
  CDA4603  Ericameria palmeri var. pachylepis G. C. Fleischman 1947-10-2 Los Angeles Pasadena. 0 Comment
  UCR143333  Ericameria parishii Chris Henne 1946-10-18 s.n. Los Angeles San Gabriel Mtns., Chilao spur off Angeles Crest Highway 1646 Comment
  LA202521  Ericameria parishii var. parishii T. Brothers; 1983-8-9 sn Los Angeles San Gabriel Mountains, Devil's Canyon, on shoulder of dirt road, San Gabriel River watershed Comment
  RSA292676  Ericameria pinifolia James Henrickson 1979-5-23 3 Los Angeles ca. 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir. 396 Comment
  UCR117408  Ericameria pinifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23287 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 686 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
  CAS-BOT-BC296173  Erigeron foliosus var. foliosus G. B. Grant 190__ s.n. Los Angeles Monrovia Comment
  POM306311  Erigeron foliosus var. foliosus Henry J. Ramsey, Henry J. Ramsey 1938-6-2 I 385 Los Angeles Eaton Canyon. Comment
  UC1587656  Erigeron foliosus var. foliosus Tim Ross 1991-8-14 5768 Los Angeles slopes nw of summit Roundtop Mtn.; Chilao Flat Quadrangle, San Gabriel Mountains, Roundtop [Mtn 1706 Comment
  SD237308  Erigeron sumatrensis A. C. Sanders 2009-11-6 37217 Los Angeles South Coast: Madrona Marsh, Torrance. Former oil field with gravel service road remnants. 24 Comment
  RSA455002  Eriodictyon crassifolium Ora M. Clark 1929-3-24 1780 Los Angeles Santa Susana Mountains. Comment
  CAS-BOT-BC189116  Eriodictyon crassifolium var. crassifolium Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  LA35983  Eriodictyon crassifolium var. nigrescens Peter H. Raven; 1960-5-15 15378 Los Angeles Santa Monica Mountains, Cold Canyon, junction of Mulholland Hwy with Cold Canyon Rd 365 Comment
  CAS-BOT-BC188950  Eriodictyon parryi Geo. B. Grant 1904-6-26 4266 Los Angeles [Mount Lowe?] Comment
  SD85036  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles Santa Catalina Island; northeast side of Black Jack Mountain at junction of Island Road and White's Landing Road. 1250 Comment
  RSA607813  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil s Canyon. 1433 Comment
  RSA0135658  Eriogonum David E. Bramlet 2016-6-2 5311 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  RSA773290  Eriogonum R. G. Swinney 2009-6-24 11271 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  UCR127660  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR215348  Eriogonum angulosum Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3288 Los Angeles Western Mojave Desert, Antelope Valley; 0.75 mi. north of Hwy 138, 1.2 miles east of 170th St. 793 Comment
  IRVC28810  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA66045  Eriogonum baileyi var. baileyi F. W. Peirson 1928-9-4 8188 Los Angeles Rock Creek about 1 mile below Pallett Creek Comment
  UCR173892  Eriogonum baileyi var. praebens Scott D. White, A. Warniment 2005-9-9 11217 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  RSA393137  Eriogonum cinereum Tom Burch 1940-4-19 s.n. Los Angeles Malabu [Malibu] Coast. Comment
  UC990943  Eriogonum cinereum D. F. Howe 1951-10-7 Los Angeles La Flores Canyon Santa Monica Mts., La Flores Canyon Comment
  CAS-BOT-BC241937  Eriogonum cithariforme Steven M. Kaune 1962-6-13 376 Los Angeles About 15-20 mi. south of Tejon Pass on route toward Castaic off Hwy. 99 just south and above Oso Canyon, SW end of Tehachapi Mts. Comment
  RSA729398  Eriogonum davidsonii R. G. Swinney 1998-9-7 6950 Los Angeles San Gabriel Mtns.: saddle between Pine Mountain and Dawson Peak 2817 Comment
  SBBG125874  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-10 1087 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.5 km NW of State Hwy 14; E Liebre Mtns 1087 Comment
  RSA393481  Eriogonum deflexum var. baratum Anstruther Davidson 1897-10 s.n. Los Angeles Little Rock Creek. Comment
  RSA0035186  Eriogonum fasciculatum James S. Burns 1992-5-11 13 Los Angeles 1.5 miles west on Rincon fire road from east access, Angeles National Forest. 762 Comment
  RSA393514  Eriogonum fasciculatum T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  RSA0115406  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA0115969  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-8-11 13504 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UCR162640  Eriogonum fasciculatum subsp. polifolium Anuja Parikh, Nathan Gale 2004-6-17 2050 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  UCR240028  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-11-13 11613 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA393423  Eriogonum fasciculatum var. foliolosum T. S. Clare 1931-1-1 14617 Los Angeles San Gabriel Mountains: mountain side above Camp Orchard 1220 Comment
  RSA567524  Eriogonum fasciculatum var. foliolosum Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3919 Los Angeles Liebre Mtn: near center of the long summit, in the vicinity of the old Radio Tower site; nr ctr NE 1/4 sect 10 1720 Comment
  CAS-BOT-BC250121  Eriogonum fasciculatum var. polifolium Le Roy Abrams; E. A. McGregor 1908-6-24 420 Los Angeles Willow Springs, Mohave [Mojave] Desert Comment
  UC159221  Eriogonum giganteum I. J. Condit 1908-6-29 23 Los Angeles Catalina Island Comment
  SD48931  Eriogonum giganteum var. formosum Reid Moran 1958-9-16 6843 Los Angeles cliffs, canyon 2 miles SE of Eel Point, San Clemente Island 99 Comment
  RSA393375  Eriogonum giganteum var. giganteum Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  UC54943  Eriogonum gracile H. P. Chandler 1907-9-11 2052 Los Angeles Verdugo Canyon Comment
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Sep 26 2011
  UCR205946  Eriogonum gracile A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37081 A Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA393227  Eriogonum gracile var. gracile F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo. 5 Comment
  SEINET7856417  Eriogonum gracile var. gracile M. A. Elvin 2003-8-8 2970 A Los Angeles NE end of Santa Susana Mtns, Val Verde 7.5' Q. 304 Comment
  RSA766506  Eriogonum gracillimum Ralph Hoffmann 1930-4-29 2861 Los Angeles Lancaster, Mojave Desert. 701 Comment
  UC586861  Eriogonum microthecum var. corymbosoides Joseph Andorfer Ewan 1934-8-3 8332 Los Angeles near summit Table Mt. (head of Le Montaine Cr.); San Gabriel Mts., Table Mt., Le Montaine Cr. 2255 Comment
  SBBG12764  Eriogonum mohavense R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  RSA760686  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-8-13 9398 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA0012046  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  SD90385  Eriogonum pusillum Robert F. Thorne, C. W. Tilforth 1973-4-20 43000 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  RSA64586  Eriogonum pusillum F. W. Peirson 1923-5-27 4203 Los Angeles Pallett Creek, north slope of San Gabriel Mountains 1098 Comment
  RSA765298  Eriogonum pusillum Doris Bowers 1957-5-10 852 Los Angeles Mohave Desert N/o Big Pines area 915 Comment
  RSA0011602  Eriogonum roseum Orlando Mistretta, Christine Mistretta 2011-6-14 5687 Los Angeles North edge of San Gabriel Mountains, 2.3 air miles S of Vincent, 1.5 air miles N of Aliso Cyn Rd, 0.5 air miles W of Angeles Forest Hwy. 1105 Comment
  SBBG64248  Eriogonum roseum R. Hoffmann 1927-9-23 Los Angeles E end of Pine Cyn Comment
  RSA584872  Eriogonum saxatile Tim S. Ross, S. D. Boyd 1990-6-4 2796 Los Angeles ridge separating Moody Canyon (on the E) from Mill Canyon and Bootleggers Canyon (on the W). 1036 Comment
  RSA603588  Eriogonum saxatile Louis C. Wheeler 1948-6-13 6654 Los Angeles San Gabriel Mountains: 1/2 mile NE Hidden Springs, Mill Creek 1037 Comment
  SBBG127070  Eriogonum thurberi A. Parikh, N. Gale 2011-6-18 3487 Los Angeles Aliso Cyn, 1.4 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1112 Comment
  JEPS56216  Eriogonum umbellatum var. minus Joseph Andorfer Ewan 1934-8-6 8353 Los Angeles North Baldy San Gabriel Mts. (e side) 2743 Comment
  UCR232372  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8021 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, near Amargosa Creek, 25 m west of Sierra Highway and 745 m north of Avenue F 702 Comment
  UCD101568  Eriogonum wrightii var. subscaposum Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains, Heliport 0.3 mile north of South Mt. Hawkins. 2286 Comment
  CAS-BOT-BC297944  Eriophyllum confertiflorum Timothy S. Ross; J. Mark Porter 1995-5-4 8431 Los Angeles Liebre Mts. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Rd 585 Comment
  CAS-BOT-BC297963  Eriophyllum confertiflorum Carl Epling; Louis C. Wheeler 1933-6-4 1852 Los Angeles Near Summit, Ridge Route 1524 Comment
  POM155629  Eriophyllum confertiflorum M. L. Bryan 1928-4-25 25 Los Angeles Mandeville Canyon, Santa Monica Mountains. 152 Comment
  SDSU4092  Eriophyllum confertiflorum Thomas A. Zink 1971-4-1 Los Angeles Above St. Andrews Rd. near the 2300 block of Chevy Chase Canyon. 579 Comment
  UCR192888  Eriophyllum confertiflorum R. G. Swinney 1998-7-6 6284 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  RSA0105749  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-7 15447 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  SBBG96630  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-6 4159 Los Angeles Lemon Tank Cyn (used as dumping area) 274 Comment
  UC1080218  Eriophyllum confertiflorum var. confertiflorum Sherwin Carlquist 1952-5-2 316 Los Angeles hills at n end of Avalon; Santa Catalina Island, Avalon Comment
  UC468956  Eriophyllum confertiflorum var. confertiflorum R. L. Pendleton 1909-7-2 1361 Los Angeles road e of Avalon; Santa Catalina Island 6 Comment
  UC73937  Eriophyllum confertiflorum var. confertiflorum J. Q. Adams 1905-1-1 17 Los Angeles Soldier's Home Comment
  POM357904  Eriophyllum confertiflorum var. confertiflorum Wm Martin 1972-4-1 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA596170  Eriophyllum pringlei L. C. Wheeler 1967-5-12 9440 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA702956  Eriophyllum wallacei Scott D. White, Michael Honer 2004-3-30 9967 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  CATA1127  Erodium cicutarium Mark L. Hoefs 1995-5-23 2094 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA632004  Erodium cicutarium Louis C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 351 Comment
  RSA654076  Erodium cicutarium Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 739 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy 427 Comment
  SD251746  Erodium cicutarium M. B. Dunkle 1940-3-21 7462 Los Angeles Santa Barbara Island. Near Landing Cove. Comment
  UCR13490  Eruca vesicaria subsp. sativa O. F. Clarke 1973-6-6 s.n. Los Angeles San Gabriel Valley, Pomona, Gary Ave. near Foothill Blvd. 351 Comment
  CHSC95779  Erysimum capitatum LeRoy Gross; Naomi Fraga 2002-4-4 520 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 457 Comment
  RSA730167  Erysimum capitatum R. G. Swinney 1998-7-2 6201 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA530261  Erysimum capitatum var. capitatum Ora M. Clark 1929-3-30 s.n. Los Angeles W. of Lancaster Comment
  RSA530230  Erysimum suffrutescens N. C. Cooper 1944-01 774 Los Angeles El Segundo Comment
  RSA0076224  Erythranthe androsacea Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10122 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1122 Comment
  SEINET8257602  Erythranthe floribunda LeRoy Abrams 1902-7-1 2611 Los Angeles Little Santa Anita canyon. Comment
  RSA799675  Eschscholzia californica Pam De Vries 2013-4-3 7836 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
  UC146751  Eschscholzia californica Katharine Brandegee May 1889 Los Angeles Pasadena Comment
  UC187404  Eschscholzia californica Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UCR192936  Eschscholzia californica Dan S. Cooper 2008-6-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., unnamed tributary of Vermont Canyon, directly behind tennis courts, Griffith Park, Los Angeles 255 Comment
  UCSB2160  Eschscholzia californica Ballard 1954-4-1 Los Angeles Pomona College Campus, Claremont 259 Comment
  RSA433678  Eschscholzia californica A. G. Goodwin 1940-05 s.n. Los Angeles San Fernando Comment
  POM6276  Eschscholzia californica var. crocea Unspecified 1909-6-20 54 Los Angeles Claremont. Comment
  RSA596008  Eschscholzia californica var. peninsularis Tim S. Ross, J. Mark Porter 1995-5-4 8460 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA252987  Eschscholzia minutiflora Robert F. Thorne, C. W. Tilforth 1973-4-20 43069 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  JEPS20988  Eschscholzia ramosa F. W. Peirson 1923-4-11 3469 Los Angeles on bluff above sea San Clemente Isl. (Eagle Ranch Creek) Comment
  RSA0012600  Eucalyptus globulus Peter H. Raven 1958-9-28 13733 Los Angeles Elysian Park. 198 Comment
  RSA662610  Eucrypta chrysanthemifolia Paul Neipp 1994-4-21 14 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  RSA0119952  Eucrypta chrysanthemifolia var. chrysanthemifolia R. G. Swinney 2014-5-21 16627 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA0042305  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs, Steven A. Junak 2000-4-14 3071 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor. 469 Comment
  UCR259906  Eulobus californicus R. G. Swinney 2010-3-16 11947 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
  UCD107069  Eulobus californicus Ming-Hwa Fu 1961-4-30 32 Los Angeles Along U.S. Highway 99, 1 mile S of Oak Flat Fire Station. Comment
  UCD142532  Euphorbia albomarginata R. R. Jeffries 1931-9-18 2264 Los Angeles Van Nuys. Comment
  LA32304  Euphorbia maculata Peter H. Raven; 1959-10-25 14698 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SBBG36822  Euphorbia peplus S. A. Junak 1998-3-22 SCa 503 Los Angeles W side of Avalon Cyn Rd, just N of entrance to Wrigley Botanical Garden 106 Comment
  SEINET13383997 Image available Euphorbia peplus R. G. Swinney 2010-1 12325 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA0127010  Euphorbia serpens Louis C. Wheeler 1969-9-25 12322 Los Angeles Pasadena: 790 South Arroyo parkway. Comment
  SD125125  Euphorbia serpens Richard S. Felger 1986-5-6 Los Angeles San Marino, weed at Huntington Library Comment
  SD69675  Euphorbia serpillifolia Robert F. Thorne, P. Everett 1965-6-23 34964 Los Angeles Santa Catalina Island Number 2 Reservoir upper part of Middle Ranch Canyon 299 Comment
  SD224946  Euphorbia terracina Scott D. White 1996-3-18 3836 Los Angeles Marina Del Rey Area; Ballona Ck. Floodplain and adjacent N-facing slope, W of Lincoln Bl. And S of Jefferson Bl. 3 Comment
  CATA3301  Extriplex californica Amy Catalano, Jen Dreizehn 2017-3-16 018 Los Angeles Santa Catalina Island: Rippers Cove, rocky walls along beach margin 4 Comment
  RSA66311  Fallopia convolvulus F. W. Peirson 1918-5-26 1800 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 854 Comment
  SBBG32121  Festuca bromoides R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -261 Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  LA200952  Festuca microstachys Peter H. Raven; 1960-5-15 15356 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  UCR187223  Festuca microstachys var. ciliata A. C. Sanders 2006-4-18 32109 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR205124  Festuca myuros R. G. Swinney 2008-4-17 8686 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  RSA609125  Ficus carica Louis C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 579 Comment
  RSA747078  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA747740  Ficus carica Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12691 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SBBG112879  Ficus carica S. A. Junak with K. Kirkland -Jul-1998 SCa 773 Los Angeles W side of lower portion of Silver Cyn, ca. 0.65 air mi inland from beach 67 Comment
  CAS-BOT-BC500444  Ficus microcarpa R. E. Riefner, Jr. 2015-4-25 15 -132 Los Angeles City of Santa Monica, both sides of Ocean Ave., N and S of Santa Monica Blvd. 30 Comment
  RSA599519  Filago californica Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9472 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat', a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SEINET3245637  Filago californica R. G. Swinney 2008-1 8564 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn (Glendora 7.5') 354 Comment
  UC2026478  Foeniculum vulgare Louis C. Wheeler 1946-10-26 6394 Los Angeles SAN GABRIEL MOUNTAINS: West side of San Gabriel Canyon. Comment
  SBBG125929  Forestiera pubescens A. Parikh, N. Gale 2010-5-27 3226 Los Angeles Sierra Pelona, 4.3 km W of State Hwy 14, 2 km SW of California Aqueduct; E Liebre Mtns 1060 Comment
  UC1583850  Forestiera pubescens Michael Curto 1990-5-4 639 Los Angeles Littlerock Reservoir Angeles National Forest (near Juniper Grove CG, Pacifico Mt. Quad.) 1040 Comment
  CAS-BOT-BC52538  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd 1994-5-10 7745 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence 883 Comment
  UC55882  Frankenia salina Ernest Braunton May 1902 310 Los Angeles Gardena Comment
  RSA464912  Fraxinus dipetala Fordyce Grinnell Jr. 1917-3-31 s.n. Los Angeles Santa Susana Mts, near Newhall Pass Comment
  RSA547829  Fraxinus dipetala Tim S. Ross, Peter Fritsch 1990-6-20 3640 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  SEINET10500047  Fraxinus dipetala Griesel 1986-5-14 GRIESEL s.n. Los Angeles San gabriel mts. Lower placerita canyon, in side area (n-facing) foothills. Largest one observed in this area. A small cluster of multi trunked specimens, Over 50 ft tall,measured. Comment
  RSA426868  Fremontodendron californicum J. Aug. Kusche 1922-05 9556 Los Angeles Mojave Desert. Comment
  RSA590598  Fremontodendron californicum subsp. californicum Tim S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Western San Gabriel Mountains: 600 meters, 346 NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll. 933 Comment
  UC450832  Galium andrewsii subsp. intermedium Fay A. Macfadden 1931-4-22 2643 Los Angeles summit hwy from Los Angeles to Lake Hughes via San Francisquito Canyon Comment
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Aug 8 2016
  LA208351  Galium angustifolium John Thomas Howell; M. Hilend 1930-5-11 Los Angeles San Gabriel Mountains, Pacoima Dam Comment
  UCD121568  Galium angustifolium Robert F. Thorne; M. Z. Thorne 1967-7-19 37146 Los Angeles San Gabriel Mts., Angeles National Forest, Crystal Lake Recreation Area. 1554 Comment
  RSA3501  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-5-9 3444 Los Angeles Santa Catalina Island. Cliff opposite to the tent city, Pebbly Beach. 8 Comment
  UC1409136  Galium angustifolium subsp. angustifolium R. F. Thorne and L. E. DeBuhr 1972-8-18 42245 Los Angeles just below peak of Mt. Islip; San Gabriel Mountains, Angeles National Forest 2499 Comment
  RSA756779  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-29 2544 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
  POM48098  Galium angustifolium subsp. nudicaule I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  UC625033  Galium aparine F. R. Fosberg 1931-3-20 S 4311 Los Angeles Santa Catalina Island, South wall Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 20 Comment
  RSA251466  Galium aparine Robert F. Thorne 1973-4-11 42811 Los Angeles San Clemente Island, upper part of Middle Ranch Canyon. 381 Comment
  RSA747285  Galium aparine R. G. Swinney 2008-5-30 8877 Los Angeles San Gabriel Mtns.: San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA157785  Galium aparine var. echinospermum Peter H. Raven 1962-5-8 17595 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove. 9 Comment
  CAS-BOT-BC217474  Galium catalinense Louis C. Wheeler 1969-5-17 s.n. Los Angeles 0.3 mile south southeast Isthumus Bench Mark, Santa Catalina Island 121 Comment
  SD90516  Galium catalinense subsp. acrispum Robert F. Thorne 1973-4-11 42842 Los Angeles San Clemente Island: wet bottom of Norton Canyon 900 Comment
  RSA678814  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1291 -a Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. 823 Comment
  SD181349  Galium grande Valeria Soza, W. Law, L. Moore 2000-7-7 1054 Los Angeles San Gabriel Mountains; East of White Saddle, above Cold Springs Canyon. 1.54 miles east of junction of Van Tassel Truck Trail and Silver Fish Road, along Silver Fish Road 853 Comment
  RSA600083  Galium hallii Steve D. Boyd, Lauren Raz 1997-5-20 9796 B Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  SD251291  Galium hilendiae Duncan S. Bell, Caitlin Elam 2013-7-11 5349 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; on a trail above Vicent Gulch. 1997 Comment
  UCR223275  Galium jepsonii R. G. Swinney 2009-7-29 11447 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA529165  Galium johnstonii Tim S. Ross, Steve D. Boyd 1991-7-24 5672 Los Angeles Granite Mountain. 1902 Comment
  UCR209237  Galium johnstonii R. G. Swinney 2008-6-18 9068 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UCR223232  Galium johnstonii R. G. Swinney 2009-5-20 10831 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA0112841  Galium nuttallii Steven A. Junak 1999-5-20 SCa- 961 Los Angeles Santa Catalina Island. Just W of old mine shaft, on N side of Black Jack Peak, directly under high voltage line leading to Black Jack Peak. 506 Comment
  CATA1041  Galium nuttallii subsp. insulare Mark L. Hoefs 1995-5-10 1967 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA584446  Galium parishii R. G. Swinney 1992-7-10 1850 Los Angeles San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA654219  Galium porrigens var. porrigens Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 949 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 640 Comment
  RSA654434  Galium porrigens var. porrigens Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 986 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough Canyon, NE side of peak '2646'. 762 Comment
  RSA424695A  Galvezia speciosa M. B. Dunkle 1929-4-7 2091 Los Angeles White's Landing, Santa Catalina Island. Comment
  SBBG90429  Gamochaeta ustulata M. C. Hochberg 1985-4-7 1211 Los Angeles Little Springs Cyn 243 Comment
  RSA0034284  Gamochaeta ustulata Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3058 Los Angeles Santa Catalina Island: Lower Bulrush Canyon. 262 Comment
  UC818195  Gastridium ventricosum L. W. Nuttall 297 Los Angeles Santa Catalina Island Comment
  POM219126  Gaura sinuata Louis C. Wheeler 1932-7-9 947 Los Angeles 100m E San Dimas Junction, San Dimas. 213 Comment
  UCR193993  Gayophytum R. G. Swinney 1998-8-13 6748 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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May 1 2012
  UCR202732  Gayophytum R. G. Swinney, Cody Clarke 2001-8-22 8073 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
  RSA0077385  Gayophytum heterozygum Orlando Mistretta 1992-8-20 762 Los Angeles Transverse Ranges; San Gabriel Mts region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  RSA596411  Gayophytum oligospermum Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-11 3366 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  UCR258496  Gazania linearis R. G. Swinney 2010-3-10 11812 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  CAS-BOT-BC208064  Genista monspessulana Timothy S. Ross 1993-6-1 7365 a Los Angeles San Gabriel Mountains. NW margin of Chantry Flat. 667 Comment
  RSA604533  Geranium carolinianum Sara L. Crockett 1997-4-1 631 Los Angeles Santa Catalina Island. 0.3 miles WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road. 46 Comment
  UCR213240  Geranium carolinianum Dan S. Cooper 2010-3-26 20100326- 23 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Lower Beacon Trail in SE corner of park 232 Comment
  UCR192194  Gilia A. C. Sanders 2008-4-18 34970 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  UCR271471  Gilia achilleifolia subsp. achilleifolia R. G. Swinney 2011-5-3 14573 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR150841  Gilia aliquanta subsp. aliquanta R. G. Swinney 1998-4-14 5971 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  LA52318  Gilia angelensis Carl Epling; M. Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA305058  Gilia angelensis P. H. Raven 1960-5-21 15397 Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  RSA470121  Gilia angelensis Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG120067  Gilia angelensis A. C. Sanders with M. Elvin 2003-4-14 25965 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  LA206507  Gilia capitata subsp. abrotanifolia Doris Daw; 1940-4-22 sn Los Angeles Arroyo Seco Comment
  RSA470056  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1932-4-9 589 Los Angeles 1 mi. W mouth Kings Canyon, near Elizabeth Lake. 976 Comment
  RSA470231  Gilia capitata subsp. abrotanifolia School 1929-5-18 s.n. Los Angeles Los Angeles River. Comment
  RSA648043  Gilia capitata subsp. abrotanifolia Orlando Mistretta 1992-7-13 680 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  LA206989  Gilia latiflora A. Handschiegel; 1920-5-17 sn Los Angeles Little Rock Creek Comment
  SBBG101682  Gilia latiflora subsp. latiflora S. Boyd 1986-3-31 1571 Los Angeles St Hwy 18 about 1 mi E of jct with Hwy 138, NE of Pinyon Hills Comment
  UCR205929  Gilia modocensis R. G. Swinney 2008-5-5 8773 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA0016260  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3902 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA469479  Gilia ochroleuca subsp. bizonata N. C. Cooper 1948-4-21 2723 Los Angeles Saugus. 762 Comment
  CAS-BOT-BC407854  Gilia ochroleuca subsp. ochroleuca Robert F. Thorne; G. Wallace 1973-4-25 43365 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mile N of Bob's Gap, 3.5 mile S of Llano, N slope of Holcomb Ridge 1188 Comment
  RSA0017187  Gilia ochroleuca subsp. vivida R. F. Thorne 1971-6-26 39994 Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  UC530091 Image available Githopsis gilioides Frank W. Peirson 1925-4-23 5780 Los Angeles forks San Gabriel River San Gabriel Mountains, San Gabriel River; San Gabriel Mts., Los Angeles Co. 533 Comment
  POM19147  Glycyrrhiza lepidota P. A. Munz 1923-5-27 6893 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  POM358812  Gnaphalium chilense F. R. Fosberg 1931-4-15 4622 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA526057  Gnaphalium luteoalbum Steve Boyd, Tim Ross, L. Arnseth 1990-4-6 4155 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA550692  Gnaphalium luteoalbum Timothy S. Ross, Annette Ross 1991-7-29 5709 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  RSA640254  Gnaphalium luteoalbum R. F. Thorne 1971-4-23 41478 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA529922  Gnaphalium palustre Timothy S. Ross 1991-8-16 5828 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA226075  Gnaphalium palustre R. F. Thorne, C. W. Tilforth 1971-6-17 39916 Los Angeles Near small pond in canyon below Placerita Canyon road 2.6 mile below junction with Sand Canyon road; W end San Gabriel Mts. 549 Comment
  RSA453473  Godetia bottae L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  CAS-BOT-BC110273  Grayia spinosa Eugene Wells 1910-3-18 s.n. Los Angeles Lancaster, Antelope Valley. Comment
  POM50841  Grayia spinosa A. D. E. Elmer 1902-06 3613 Los Angeles Palmdale Comment
  SD231279  Grayia spinosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 72 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  UCR282142  Grayia spinosa R. G. Swinney 2014-4-18 16117 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  UCSB1693  Grayia spinosa Kamb, Peter 1948-3-13 Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  UC897129  Grindelia hirsutula I. W. Clokey and E. G. Anderson 1935-5-9 6965 Los Angeles Puddingstone Reservoir Comment
  RSA359092  Grindelia robusta Anstruther Davidson 1915-6-1 3072 Los Angeles Brea Rancho. Comment
  RSA653685  Guillenia lasiophylla Valerie L. Soza, Laura Moore 2000-5-10 871 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 to peak ''1936''. 518 Comment
  CAS-BOT-BC307295  Hazardia squarrosa var. grindelioides C. F. Saunders 1910-11-1 s.n. Los Angeles Santa Catalina Island Comment
  JEPS26136  Hazardia squarrosa var. grindelioides Peter H. Raven and Henry J. Thompson 1958-10-11 13743 Los Angeles at Coast Highway; Santa Monica Mountains, Las Tunas Canyon 152 Comment
  POM359473  Hazardia squarrosa var. grindelioides Geo L. Moxley 1914-9-3 259 Los Angeles San Rafael Hills, near Pasadena Comment
  UC1587565  Hazardia squarrosa var. grindelioides Tim Ross 1991-9-2 5908 Los Angeles near Mulholland Highway x Yerba Buena Road; Triunfo Pass 7.5' quadrangle, Santa Monica Mountains 472 Comment
  UCR273197  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-10-25 15866 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA0065374  Hedera Bob McKeand 1949-1-16 s.n. Los Angeles Santa Anita Canyon, Arcadia. 396 Comment
  RSA584027  Hedera canariensis T. S. Ross, Steve D. Boyd 1990-5-29 2702 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1235 Comment
  SBBG131686  Hedypnois cretica S. A. Junak 1999-4-24 SCa 858 Los Angeles main rd, just S of [airport] rd 445 Comment
  CAS-BOT-BC309436  Helenium puberulum Timothy S. Ross; Steve Boyd 1994-7-7 8163 Los Angeles Liebre Mountains. Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  CATA376  Helenium puberulum Mark L. Hoefs 1974-4-30 433 Los Angeles Santa Catalina Island: Hermit's Gulch, by trail 91 Comment
  UCR282517  Helenium puberulum Mitch Provance, Tegan Provance 2017-9-30 917- 09 Los Angeles San Gabriel Mountains / Mojave Desert Transition, Pallet Creek, S side of Pallet Creek Rd., 1.3 miles W of Valyermo Rd. 1146 Comment
  CAS-BOT-BC211546  Helianthemum scoparium Huron H. Smith 1912-5-3 4942 Los Angeles Azusa 243 Comment
  RSA441789  Helianthemum scoparium var. vulgare Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco, W. Pasadena 365 Comment
  SEINET5781989 Image available Helianthus annuus Marcus E. Jones 1882-1 3029 Los Angeles Pasadena Comment
  UCR210444  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA0085069  Helianthus annuus L. C. Wheeler 1931-8-2 S 24 Los Angeles 2.5 miles NE of La Verne. 412 Comment
  RSA524197  Helianthus gracilentus Timothy S. Ross, S. D. Boyd 1990-6-6 2890 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA60232  Helianthus gracilentus G. R. Campbell 1950-4-17 14591 Los Angeles Escondido Canyon, on road to Malibu Lake, 7 miles from Hwy Alt. 101. 457 Comment
  RSA177890  Hemizonia clementina R. F. Thorne 1965-5-11 34547 Los Angeles Santa Catalina Island, about halfway between Little Harbor and Isthmus Cove 152 Comment
  RSA94067  Hemizonia fasciculata F. W. Peirson 1906-7-16 1354 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA652507  Hemizonia ramosissima M. Wiseman 1992-5-15 14 Los Angeles [Pomona] California Polytechnic University, one and a quarter miles east of Buzzard Peak in the San Jose Hills. West of parking lot J in the mouth of 'G' canyon, roadside. Comment
  SBBG117024  Herniaria hirsuta var. cinerea S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1509 Los Angeles rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn 402 Comment
  RSA445907  Hesperocnide tenella Joseph A. Ewan 1933-04 10919 Los Angeles Shaded glade beneath Wuercus agrifolia and Rhamnus californica shrubs. Higgins Canyon. 305 Comment
  LA22797  Hesperoyucca whipplei Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CATA3381  Heteromeles arbutifolia Peter J. Dixon 2016-5-24 058 Los Angeles Santa Catalina Island: Gallaghers Canyon, 100 m north of Laura Stein Volunteer Camp 387 Comment
  LA20819  Heteromeles arbutifolia Jonathan Sauer; D. Bradbury, R. Thaman 1969-12-7 4679 Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  RSA449826  Heteromeles arbutifolia Fordyce Griffiths Jr. 1910-06 2087 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  UCR170457  Heteromeles arbutifolia Alex R. Van Dam 2004-4-25 030 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR189929  Heteromeles arbutifolia T. B. Salvato, Sandra Murcia 2007-10-18 3083 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  UCR273392  Heteromeles arbutifolia R. G. Swinney 2011-3-18 14150 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR281647  Heteromeles arbutifolia R. G. Swinney 2014-5-27 16694 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  SEINET11897141  Heteromeles arbutifolia Unknown 1945-1 s.n. Los Angeles Altadena Comment
  SFV10299  Heterotheca grandiflora M. J. Teiman 1978-10-15 7 Los Angeles Playa del Rey wetlands. 0.5 miles south of Marina del Rey channel. 2 Comment
  UC1215245  Heterotheca grandiflora Peter H. Raven 1962-4-11 17285 Los Angeles n of a point due w Wall 2 (on a large dune); San Clemente Island 30 Comment
  UC63208  Heterotheca grandiflora H. M. Hall 1901-8-1 Los Angeles Comment
  UCD170561  Heuchera caespitosa R. G. Swinney 1998-7-28 6517 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1366 Comment
  RSA190943  Holodiscus discolor Robert F. Thorne 1967-5-20 36905 Los Angeles Santa Catalina Island. Descanso Canyon ca. 1/4 way down from head at Airport Road to mouth. 229 Comment
  RSA660633  Holodiscus discolor Matt Bogdanoff 1981-5-27 35 Los Angeles Ca Hwy 39, 3.5 mi N of junction with Sierra Madre Ave., N of Azusa. 396 Comment
  CAS-BOT-BC289495  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1965-5-18 10858 Los Angeles Marsh along the Lancaster Road, va. 3 miles southeast of Gorman, Tehachapi Mountains 1097 Comment
  POM244859  Hordeum intercedens F. R. Fosberg 1937-4-22 S 4666 Los Angeles Santa Catalina Island. Eagles Nest, Middle Ranch Canyon. Comment
  SBBG131630  Hordeum marinum subsp. gussoneanum S. A. Junak 1999-4-23 SCa 847 Los Angeles Buffalo Reseroir area, plant stop, S side of main rd 201 Comment
  RSA582073  Hordeum murinum subsp. glaucum C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  SBBG131923  Hordeum murinum subsp. glaucum S. A. Junak 2000-6-29 SCa 1342 Los Angeles Bird Rock, just E of High Point, N side of Opuntia patch 12 Comment
  SD69506  Hordeum murinum subsp. glaucum Robert F. Thorne 1966-4-4 35750 Los Angeles Santa Catalina Island: Isthmus 11 Comment
  RSA251427  Hordeum murinum subsp. leporinum R. F. Thorne 1966-4-15 36038 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  RSA582995  Hordeum vulgare Timothy S. Ross 1993-4-23 6925 Los Angeles Santa Catalina Island, SW part of the island in Middle Canyon; 180m NE of Thompson Dam 195 Comment
  SBBG20522  Hordeum vulgare E. R. Blakley 1963-12-7 6377 Los Angeles 200 yds SE of new air strip 60 Comment
  LA33491  Hordeum vulgare Peter H. Raven; 1959-5-3 14097 Los Angeles 350 Comment
  POM35303  Horkelia cuneata subsp. puberula C. F. Baker 1904-4-20 1760 Los Angeles Claremont. Comment
  RSA530055  Horkelia rydbergii Tim S. Ross 1991-8-16 5838 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  CAS-BOT-BC213015  Hosackia crassifolia I. M. Johnston 1917-6-20 1495 Los Angeles Bakly Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC213017  Hosackia crassifolia Victor Duran 1933-7-8 3504 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  SEINET957960  Hosackia oblongifolia V. Duran 1933-1 3698 Los Angeles Buckham, San Gariel Mts. 1981 Comment
  UCR209630  Hypericum formosum R. G. Swinney 2008-10-10 9547 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA230188  Hypericum formosum var. scouleri R. F. Thorne 1969-7-2 38248 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sandy margin of East Fork of Alder Creek, Charlton Flat burn (of 1954) 1584 Comment
  RSA527777  Hypochaeris glabra Steve Boyd, L. Arnseth 1990-4-8 4342 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET3371873  Isocoma menziesii G. Rink 2011-6-1 10575 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  RSA91275  Isocoma menziesii var. vernonioides F. W. Peirson 1924-10-19 5227 Los Angeles Clearwater. Comment
  RSA785318  Isomeris arborea var. globosa D. Silverman, Cindy Hopkins 2007-4-27 6778 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 1600m SE of National Cement and 1200m NE of Oso 3804 benchmark. 1000 Comment
  IRVC29018  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-25 25296 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  CAS-BOT-BC340161  Jaumea carnosa Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  RSA0089423  Juglans californica R. G. Swinney 2011-3-17 14113 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA787268  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  SBBG77282  Juncus balticus F. R. Fosberg 1931-4-15 4619 Los Angeles Middle Ranch Cyn 180 Comment
  UC1605497  Juncus bufonius Tim Ross, Steve Boyd 1993-5-23 7241 Los Angeles on slope 435 m se of saddle between Ruby Canyon and Clearwater Canyon (Liebre Mts., lower e ridge of Red Mt., area on s side of Forest Service fire road); Liebre Mts., lower e ridge of Red Mt. 963 Comment
  UCR108180  Juncus duranii L. C. Wheeler 1966-8-21 8828 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  CHSC112544  Juncus macrophyllus Duncan S. Bell; Caitlin Elam 2013-6-24 5294 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the moutn of Iorn Fork. 899 Comment
  RSA607713  Juncus macrophyllus L. C. Wheeler 1947-7-11 6542 Los Angeles San Gabriel Mountains: Millard Canyon. 412 Comment
  POM184645  Juncus rugulosus L. C. Wheeler 1932-9-5 1351 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA691048  Juncus rugulosus Scott D. White 2003-10-22 9838 Los Angeles San Gabriel Mountains: Foothills above Altadena. Los Angeles Dept. of Public Works Kinneloa West debris basin. Northern terminus of Brambling Lane.(Mt. Wilson). 427 Comment
  RSA730313  Juncus rugulosus R. G. Swinney 1998-9-4 6906 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  SEINET13203206 Image available Juncus rugulosus R. G. Swinney 2011-1 15881 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UCR212778  Juncus rugulosus Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1795 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon, north of San Dimas Reservoir]. First road intersection beyond the ranger station, edge of San Dimas Creek along trail next to the gate 454 Comment
  UCR206487  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. 69 Comment
  SEINET8465036 Image available Juncus tenuis A. C. Sanders, TB. 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. 66 Comment
  JEPS63810  Juncus textilis Samuel B. Parish Jun 1887 1937 Los Angeles San Fernando Misson Comment
  RSA594292  Juncus textilis L. C. Wheeler 1967-7-30 10247 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA69859  Juncus textilis F. W. Peirson 1921-6-20 1640 Los Angeles North Fork of San Gabriel River 762 Comment
  RSA584114  Juncus torreyi Timothy S. Ross, Peter W. Fritsch 1990-6-11 2994 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  LA201938  Juncus xiphioides J. & H. Sauer; M. Zadny 1971-6-6 4926 Los Angeles SANTA MONICA MOUNTAINS, Upper Rustic Canyon. Comment
  RSA226032  Juniperus californica Robert F. Thorne, C. W. Tilforth 1971-6-17 39898 Los Angeles N slope of San Gabriel Mountains: Near junction of Bee Canyon with Santa Clara River valley, 1.3 mile E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter 549 Comment
  SD52442  Keckiella antirrhinoides var. antirrhinoides Benjamin C. Stone 1954-4-13 512 Los Angeles Hillsides west of Prado Dam, 7 mi west of Corona on 91 1200 Comment
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Dec 3 2014
  RSA401692  Keckiella cordifolia T. S. Clare 1929-7-4 s.n. Los Angeles Topanga Canyon. Comment
  RSA401765A  Keckiella cordifolia Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
  UC1408995  Keckiella cordifolia Robert F. Thorne 1973-4-12 42964 Los Angeles large canyon s Mosquito Cove (n of Chenity); San Clemente Island 243 Comment
  UC1714595  Keckiella cordifolia L. R. Abrams and I. L. Wiggins 1931-7-6 379 Los Angeles vicinity Mosquito Cove; San Clemente Island Comment
  LA39070  Keckiella ternata H. Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  UCD123781  Keckiella ternata var. ternata Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. 1615 Comment
  UCR24549  Kochia scoparia O. F. Clarke, A. C. Sanders 1981-10-2 s.n. Los Angeles San Gabriel Valley, Arcadia, SE corner of South Michillinda Ave. and West Foothill Blvd. 206 Comment
  UCR222744  Krascheninnikovia lanata R. G. Swinney 2009-4-29 10606 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SBBG112816  Lactuca saligna S. A. Junak with K. Kirkland 1998-7-17 SCa 777 Los Angeles Silver Cyn, at base of slope on E side of cyn, ca. 0.7 air mi inland from beach 76 Comment
  RSA0116806  Lactuca serriola Richard G. Swinney 2010-10-5 13965 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR163180  Lactuca serriola Anuja Parikh, Nathan Gale 2004-6-21 2053 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  CDA2221  Lamarckia aurea Margaret Bellue, G. C. Fleischman 1945-5-8 Los Angeles Northridge. 0 Comment
  RSA3708  Lamarckia aurea C. B. Wolf 1932-5-11 3555 Los Angeles Fourth O' July Cove; Santa Catalina Island 30 Comment
  SEINET10598998  Lamarckia aurea John Quincy 1890-3-9 Fritchey s.n. Los Angeles Hills E Los Angeles. Comment
  UCD107205  Larrea tridentata Steve Mason 1993-5-2 32 Los Angeles Mojave Desert, just N of Saddleback Butte State Park on E. 190th St. (N5), 0.1 mi. N of Ave. J., 50-100' off East side of road. 853 Comment
  SBBG61764  Lastarriaea coriacea R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  CAS-BOT-BC338124  Lasthenia californica Alice Eastwood 1913-5-11 3127 Los Angeles San Fernando Wash Comment
  POM361486  Lasthenia californica Geo L. Moxley 1914-7-22 s.n Los Angeles Supramore Grove Comment
  RSA645621  Lasthenia californica Karen Kirtland 1993-4-10 s.n. Los Angeles Mojave Desert (western): lancaster, E of 10th St. East between Ave. F and G. 708 Comment
  RSA92920  Lasthenia californica F. W. Peirson 1918-4-28 1371 Los Angeles Summit of Turnbull Canyon, hills above Whittier Comment
  CAS-BOT-BC352718  Lasthenia coronaria A. Davidson 1892-5-1 s.n. Los Angeles Devil's Gate, Pasadena Comment
  RSA681290  Lasthenia coronaria LeRoy Gross, Valerie Soza 2003-5-15 907 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place., Just east of where we started. 518 Comment
  CAS-BOT-BC329163  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1901-4-10 1454 Los Angeles Near Hyde Park Comment
  SBBG117048  Lasthenia gracilis S. A. Junak with K. Kirkland 2001-4-14 SCa 1457 Los Angeles upper portion of Middle Cyn, on S side of cyn, upslope from Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 347 Comment
  UC1215195  Lasthenia gracilis Peter H. Raven 1962-4-10 17193 Los Angeles s Wilson Cove; San Clemente Island 91 Comment
  RSA752456  Lathyrus latifolius Justin M. Wood 2009-4-22 517 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA161233  Lathyrus tingitanus P. H. Raven 1962-5-20 17765 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  SEINET4044580  Lathyrus vestitus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  RSA155908  Lathyrus vestitus subsp. laetiflorus P. H. Raven 1962-4-10 17247 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA405725  Lathyrus vestitus var. alefeldii F. R. Fosberg 1931-5-14 S- 4873 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  RSA161123  Lathyrus vestitus var. alefeldii Peter H. Raven 1962-5-20 17793 Los Angeles Santa Catalina Island, Middle Canyon 2.9 miles above the Ranch. 244 Comment
  UC1211098  Lathyrus vestitus var. alefeldii Huron H. Smith 1912-5-29 5030 Los Angeles trail to Summit Santa Catalina Island 365 Comment
  LA82183  Lathyrus vestitus var. vestitus O. H. Kappler; 1941-4-6 178 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA658827  Lathyrus vestitus var. vestitus J. S. Burns 1992-5-11 2953 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest. 762 Comment
  UC450900  Lathyrus vestitus var. vestitus Fay A. MacFadden 1931-3-31 50 E Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA239454  Lavatera assurgentiflora subsp. assurgentiflora Unspecified 1962-10-4 5395 Los Angeles Avalon terrace in Avalon, Santa Catalina Island. 30 Comment
  POM361625  Layia glandulosa Louis Greata 1901-03 s.n. Los Angeles Pasadena. Comment
  OBI28032  Layia glandulosa David J. Keil, Dirk Walters 1977-4-30 12298 Los Angeles Ridge Rte 1 mi S of jctn with Los Angeles Co rd N-2 Comment
  RSA587515  Layia glandulosa Orlando Mistretta 1995-3-24 1557 Los Angeles San Gabriel Mountains, Carr Canyon. 1052 Comment
  UC1595684  Layia glandulosa W. Wisura and E. Roeder 1992-4-21 4689 Los Angeles .1 mi w of Highway 138 Fort Tejon Road; West Mojave Comment
  UC30673  Layia platyglossa J. H. Barber 1897-3-15 59 Los Angeles Santa Monica Exp't Station Comment
  UC35112  Lemna minuscula Geo. B. Grant Sept. 1902 5058 Los Angeles Pasadena Comment
  RSA697445  Lepidium dictyotum Elisabeth Norland 1929-2-16 2 Los Angeles Cypress. Comment
  RSA67359  Lepidium fremontii var. fremontii F. W. Peirson 1921-5-19 677 Los Angeles Little Rock Creek: N slope of San Gabriel Mountains 960 Comment
  RSA429610  Lepidium lasiocarpum Jack Rempel 1932-3-6 15214 Los Angeles El Segundo Comment
  SBBG131802  Lepidium lasiocarpum S. A. Junak, B. Collins 1991-4-24 SCI 193 Los Angeles W side of W Shore Rd, at end of rd 36 Comment
  UCR141501  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mtns, Devil's Gate Reservoir, NE of the San Rafael Hills, in the Arroyo Seco river channel, just west of the city of Altadena 335 Comment
  CAS-BOT-BC89751  Lepidium latipes Dr. H. E. Hasse 1891-3-1 s.n. Los Angeles Flats near Santa Monica. Comment
  RSA251539  Lepidium nitidum R. F. Thorne 1973-4-11 42784 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  SBBG113145  Lepidium strictum S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 394 Los Angeles lower portion of Cherry Cyn, just inland from salina at cyn mouth 6 Comment
  UCR125436  Lepidium virginicum var. pubescens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25708 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  CAS-BOT-BC328068  Lepidospartum squamatum Ernest C. Twisselmann 1955-8-10 2318 Los Angeles San Emigdio Range. Castaic Valley, 0.3 mi E of Kern County Line 1226 Comment
  PASA1349  Lepidospartum squamatum Frank W. Peirson 1919-10-20 Los Angeles Brae-Burn Road near the Rubio stream bed. Altadena Comment
  RSA611981  Lepidospartum squamatum Valerie L. Soza, Laura Moore 1997-8-16 58 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard: West side of lake, along fire road encircling lake, 412 Comment
  PASA2014  Leptodactylon californicum Sally Ellis 1939-5-5 Los Angeles Baseline Comment
  RSA648267  Leptodactylon californicum Michael Krawczyk 1981-4-26 6 Los Angeles 3 miles south of Falling Springs Resort on highway 39. San Gabriel Mtns. Comment
  RSA606034A  Leptosiphon breviculus L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  RSA607219  Leptosiphon breviculus L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: South side Devil's Canyon. 1402 Comment
  RSA164757  Leptosiphon breviculus Wesley O. Griesel 1963-5-26 793 Los Angeles Between Mile High Ranch & Big Pines 1677 Comment
  RSA73076  Leptosiphon liniflorus F. W. Peirson 1922-6-3 3077 Los Angeles North of Collins Ranch, Oakgrove Canyon, Liebre Mts. 1006 Comment
  RSA725754  Leptosiphon parviflorus A. C. Sanders, Mark Elvin, et al. 2003-5-1 26268 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  RSA468545  Leptosiphon parviflorus L. C. Wheeler 1934-4-6 2508 Los Angeles San Dimas Canyon, San Gabriel Mountains. 442 Comment
  UCSB9522  Leptosyne californica Wedberg, H. 1958-4-13 Los Angeles 165th Street, one mile north on Hwy. 138, near Pearblossom 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
  RSA91285  Lessingia glandulifera var. glandulifera F. W. Peirson 1921-7-19 1260 Los Angeles At forks of Coldwater Canyon and Cattle Canyon, East Fork San Gabriel Canyon 793 Comment
  UCD34116  Leymus condensatus Beecher Crampton 1976-9-21 9412 Los Angeles Los Angeles County, ca. 10 miles east of Saugus on state Hwy. 14, Agua Dulce Canyon area. Comment
  RSA347547  Leymus condensatus B. A. Prigge 1985-6-14 6423 Los Angeles Santa Monica Mountains, Cold Creek Canyon; along trail below Murphy Ranch Site. 598 Comment
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Nov 8 2015
  LA29005  Lilium humboldtii subsp. humboldtii Mary V. Hood; 1939-5-31 39- 74 k* Los Angeles Pueta del Canyon Comment
  LA22058  Lilium humboldtii subsp. ocellatum W. O. Griesel; 1936-6-16 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  RSA605002  Lilium parryi Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  UC1257221  Limosella acaulis R. F. and M. Z. Thorne 1969-7-10 38381 Los Angeles margin Jackson Lake (Angeles National Forest); San Gabriel Mts., , Jackson Lake 1859 Comment
  RSA506818  Linanthus aureus L. C. Wheeler 1967-5-12 9439 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR220060  Linanthus aureus subsp. aureus R. G. Swinney 2009-4-24 10442 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA468426  Linanthus californicus Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  RSA679996  Linanthus concinnus LeRoy Gross, Michael Denslow 2003-6-4 980 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  RSA729818  Linanthus concinnus R. G. Swinney 1998-7-16 6285 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  UCR265949  Linanthus parryae Orlando Mistretta, Christine Mistretta 2005-4-21 2060 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UCR275014  Linanthus parryae Michael Honer, Rachel Woodard 2006-4-17 2193 Los Angeles Tehachapi Mountains area, Oso Canyon; c. 1 mile north of Quail Lake; 1 mile west of cement plant road 1067 Comment
  RSA337415  Linanthus parryae R. F. Thorne, Gary D. Wallace 1973-4-25 43377 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA73006  Linanthus parryae F. W. Peirson 1917-5-13 945 Los Angeles West of Little Rock. 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
  LA51917  Linaria pinifolia Peter H. Raven; Henry J. Thompson 1960-4-24 15120 Los Angeles 457 Comment
  RSA0021714  Lobelia dunnii var. serrata Duncan S. Bell, Caitlin Elam 2013-6-24 5264 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  UCR127199  Loeflingia squarrosa A. C. Sanders 2003-5-1 26253 Los Angeles Western San Gabriel Mtns., SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch 412 Comment
  LA200973  Loeflingia squarrosa var. squarrosa Carl Wishner; 1989-4-12 1574 Los Angeles SIMI HILLS, Liberty Canyon, quarry site 0.25 mi NW of US 101 underpass. 320 Comment
  RSA590848  Loeseliastrum matthewsii T. S. Ross, S. D. Boyd 1990-5-29 2670 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  CATA3339  Logfia arizonica Amy Catalano 2017-4-18 057 Los Angeles Santa Catalina Island: Hillside NNE of house #102 in Middle Ranch, about 120 meters from the house 260 Comment
  SBBG113109  Logfia gallica S. A. Junak with M. L. Hoefs, K. Kirkland 1998-5-2 SCa 619 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  POM211256  Lolium rigidum L. C. Wheeler 1933-6-24 1875 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  RSA667963  Lomatium dasycarpum Peter J. Mehringer 1958-3-8 s.n. Los Angeles Decker Canyon Road, near Mulholland Dr., Santa Monica Mountains. 366 Comment
  UC1375323  Lomatium dasycarpum Gary D. Cromwell and David W. Wheat 1971-4-21 21 Los Angeles 2 mi NE of Glendora (Mystic Canyon, S of fire break); San Gabriel Mountains, Angeles National Forest 556 Comment
  SFV2586  Lomatium lucidum R. L. Armacost 1957-5-7 853 Los Angeles Santa Monica Mountains Zuma Canyon. Comment
  UCR102620  Lomatium mohavense B. G. Pitzer 1998-5-23 3749 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA97382  Lomatium nevadense var. parishii F. W. Peirson 1919-6-14 473 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1707 Comment
  CAS-BOT-BC240492  Lonicera hispidula Peter H. Raven 1962-5-20 17773 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  JEPS12845  Lonicera hispidula var. vacillans W. L. Jepson 1908-7-13 3057 Los Angeles Santa Catalina Comment
  RSA3560  Lonicera hispidula var. vacillans C. B. Wolf 1932-5-10 3504 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 121 Comment
  RSA99374  Lonicera hispidula var. vacillans Joseph A. Ewan 1933-7-4 7863 Los Angeles above Madrono Flats, E. Fork Santa Anita Canyon. 1067 Comment
  SD153100  Lonicera hispidula var. vacillans Steven A. Junak 1996-7-24 SCI 652 Los Angeles San Clemente Island; Box Canyon, 1.2 miles inland from beach. 245 Comment
  RSA732852  Lonicera interrupta R. G. Swinney 2001-6-2 7960 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  CAS-BOT-BC234862  Lonicera subspicata var. denudata J. Grinnell 1903-6-27 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  CAS-BOT-BC234870  Lonicera subspicata var. denudata Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  RSA455369  Lonicera subspicata var. denudata James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale. Comment
  UCR125897  Lotus A. C. Sanders, Mark Elvin, et al 2002-6-26 25298 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  RSA90045  Lotus argophyllus subsp. ornithopus F. W. Peirson 1923-4-9 3468 Los Angeles San Clemente Island: about 2 miles SE of Wilson's cove Comment
  JEPS22748  Lotus argophyllus var. argophyllus Rimo Bacigalupi with Reino Alava 1958-7-20 6400 Los Angeles Charlton Flat, close to Angeles Crest Highway (State Highway 2) San Gabriel Mountains, Angeles National Forest 1623 Comment
  RSA729718  Lotus crassifolius var. crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  UC864898  Lotus dendroideus var. dendroideus F. R. Fosberg 1931-3-19 S 4303 Los Angeles Hamilton Canyon Santa Catalina Island 2 Comment
  RSA659742  Lotus dendroideus var. traskiae Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 101 Los Angeles San Clemente Island. Comment
  RSA639618  Lotus grandiflorus var. grandiflorus L. C. Wheeler 1967-5-23 9701 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA652443  Lotus oblongifolius var. oblongifolius Marion P. Harthill 1972-4-8 640 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest. 457 Comment
  RSA587242  Lotus procumbens var. procumbens Orlando Mistretta 1994-5-11 1191 Los Angeles San Gabriel Mountains; Little Rock Creek. Alimony Ridge. 1463 Comment
  UCR249997  Lotus purshianus Jeremiah George 2014-7-26 260714- 01 Los Angeles Marina del Rey, just off Vista del Mar adjacent to intersection with Trolley Place 9 Comment
  RSA724418  Lotus purshianus var. purshianus K. Dobry 1991-6-27 d- 784 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  RSA3496  Lotus salsuginosus C. B. Wolf 1932-5-9 3439 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  UC457253  Lotus salsuginosus Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR126571  Lotus salsuginosus A. C. Sanders, Andy Thomson 2003-4-15 25984 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA190894  Lotus salsuginosus R. F. Thorne 1967-5-19 36897 Los Angeles Santa Catalina Island, at Indian Head Point 91 Comment
  RSA533442  Lotus salsuginosus var. salsuginosus T. S. Ross 1991-4-21 4507 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA90311  Lotus salsuginosus var. salsuginosus F. W. Peirson 1918-6-4 94 Los Angeles East of Rubio Canyon, south base of San Gabriel Mountains. 549 Comment
  RSA660841  Lotus scoparius Ann Williams 1992-5-14 5 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UCR214613  Lotus scoparius subsp. scoparius A. C. Sanders, Dan S. Cooper 2010-3-12 37352 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR258572  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13006 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  IRVC26199  Lotus scoparius var. scoparius A. C. Sanders, Mark A. Elvin 2003-6-18 26953 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  SFV15340  Lotus scoparius var. scoparius J. C. Dittes, P. Dittes 1990-3-17 53 Los Angeles Santa Monica Mountains Charmlee State Campground. 100 m east of entrance gate. Roadside. 427 Comment
  UCR155122  Lotus scoparius var. scoparius A. C. Sanders 2005-5-5 29933 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA0053898  Lotus strigosus R. G. Swinney 2010-5-11 12621 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0103297  Lotus strigosus Valerie Soza 1998-4-26 74 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: Just west of main road, SE of pHake Lake, just N of Foothill Boulevard., Near 34 deg. 06'39''N, 117 deg. 42'48''W at center of BFS. On fire road. 412 Comment
  RSA647869  Lotus strigosus LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 244 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 926 Comment
  RSA675962  Lotus strigosus var. strigosus LeRoy Gross 2003-3-9 805 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  POM2443  Lotus unifoliolatus M. Hitchcock 1918-07 33 Los Angeles Van Nuys Comment
  JEPS55830  Lotus wrangelianus A. M. Ottley 1920-5-8 636 Los Angeles between Linda Vista Rd and Arroyo Seco; Pasadena Comment
  RSA133389  Lotus wrangelianus P. H. Raven 1959-5-3 1250 Los Angeles Santa Monica Mountains (34 deg.N; 118-119 deg.W). Mulholland Drive near Beverly Glen Boulevard 381 Comment
  RSA592209  Lotus wrangelianus L. C. Wheeler 1967-5-12 9451 1/2 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR209433  Lotus wrangelianus Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  LA201825  Ludwigia peploides subsp. peploides Arthur C. Gibson; 2003-7-25 4939 Los Angeles 219 Comment
  RSA0085063  Lupinus Justin M. Wood 2009-4-10 477 Los Angeles City of San Dimas; San Dimas Wash just above the Puddingstone Diversion Dam and adj to the golf course. 351 Comment
  RSA780992  Lupinus R. G. Swinney 2009-5-13 10791 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR223788  Lupinus R. G. Swinney 2009-5-28 10953 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  CATA1828  Lupinus albifrons Martin A. Piehl 1962-10-3 62488 Los Angeles Santa Catalina Island: Along main road above Swain's Canyon (N arm) 381 Comment
  SEINET10488413  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6450 x 8292 (2) Comment
  RSA488443  Lupinus bicolor Mark Hoefs 1973-3-14 111 Los Angeles Santa Catalina Island. Between Moonstone and White's Cove. 61 Comment
  RSA588076  Lupinus bicolor Orlando Mistretta 1994-4-15 1065 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  UC1129387  Lupinus bicolor A. D. Gifford 1935-3-15 475 Los Angeles mouth of Elizabeth Lake Canyon; Angeles National Forest, Tejon Quad. Comment
  UC185429  Lupinus bicolor Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UCD168364  Lupinus bicolor J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR141153  Lupinus bicolor 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
  UCR255827  Lupinus bicolor R. G. Swinney 2010-5-12 12737 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR258825  Lupinus bicolor R. G. Swinney 2010-5-11 12695 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR272545  Lupinus bicolor R. G. Swinney 2011-5-6 14582 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  RSA659734  Lupinus bicolor Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 93 Los Angeles San Clemente Island. Comment
  RSA709672  Lupinus bicolor LeRoy Gross 2005-4-28 2165 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SD126373  Lupinus bicolor D. B. Dunn 1947-4-16 2949 Los Angeles Route from Newhall to Palmdale; Acton Junction on northwest side of highway. Comment
  UC1183627  Lupinus bicolor Dave Dunn 1941-3-29 945 Los Angeles Claremont Golfcourse Parkway Comment
  RSA155883  Lupinus bicolor subsp. umbellatus Peter H. Raven 1962-5-9 17661 Los Angeles Pyramid Cove, San Clemente Island. 168 Comment
  SBBG91849  Lupinus concinnus S. A. Junak 1978-4-15 SCa 018 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 15 Comment
  UCR273247  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 1113 Comment
  SEINET10450544  Lupinus elatus Robert F. Thorne, C. W. Tilforth; John Dourley; Ron Scogin 1972-8-11 Thorne 42209 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Waterman, E end of Mt. Waterman ridge. 2316 Comment
  CAS-BOT-BC216541  Lupinus excubitus var. johnstonii Joseph Ewan 1932-5-29 7184 Los Angeles Summit of Mount Gleason, Occurs over to Upper tujunga divide along high ridge, San Gabriel Mountains 1828 Comment
  RSA586460  Lupinus excubitus var. johnstonii Orlando Mistretta, S. D. Boyd 1994-6-21 1367 Los Angeles Santiago Canyon, near summit of Pacifico Mountain 1982 Comment
  RSA756905  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA657450  Lupinus formosus var. formosus C. Schapiro 1979-5-28 29 Los Angeles Verdugo Mountains: On fire road at intersection of Haines Canyon Road and Day St., Tujunga 671 Comment
  LA205138  Lupinus latifolius var. parishii Louis Wheeler; 1932-4-29 662 Los Angeles 2 mi. NE of La Verne 373 Comment
  CAS-BOT-BC211679  Lupinus longifolius Theodore Payne 1938-5-15 9410 Los Angeles Victory Blvd. E. of Van Nuys, San Fernando Valley 274 Comment
  RSA746946  Lupinus longifolius R. G. Swinney 2008-4-30 8715 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR125163  Lupinus microcarpus A. C. Sanders, Mark Elvin 2002-6-18 25127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA0042343  Lupinus microcarpus var. horizontalis Pam De Vries 2013-5-20 7862 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills); About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1034 Comment
  CAS-BOT-BC207238  Lupinus peirsonii Lester Rowntree 1932-1-1 s.n. Los Angeles Antelope Valley Comment
  RSA708810  Lupinus sparsiflorus Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1156 -a Los Angeles Ridgetop above McDonald Creek. 457 Comment
  UCR194739  Lupinus sparsiflorus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 Los Angeles Transverse Range: Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motortway 427 Comment
  SFV1915  Lupinus sparsiflorus H. L. Bauer 1941-4-28 683 Los Angeles San Gabriel Mountains Bouquet Canyon near Saugus. Roadside. 305 Comment
  POM2550  Lupinus succulentus L. R. Abrams 1899-03 7172 Los Angeles Los Angeles. Comment
  RSA533434  Lupinus succulentus Tim S. Ross 1991-4-21 4515 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  CLARK-A1528-2852  Lupinus truncatus Art Whistler 1966-3-20 Los Angeles Chatsworth Comment
  RSA0083315  Lupinus truncatus R. G. Swinney 2010-3-22 12024 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  SBBG19129  Lupinus truncatus M. A. Piehl 1963-12-7 631062 Los Angeles base of Pyramid Head 6 Comment
  RSA587758  Lycium andersonii Tim S. Ross 1991-4-27 4705 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  CHSC101906  Lyonothamnus floribundus Mark Elvin; Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles Channel Islands; San Clemente Island; Conchulagua Canyon. In canyon floor, shelf under a 25' cliff. 213 Comment
  RSA578203  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8187 Los Angeles Santa Catalina Island. 915m due SW from the Catalina Airfield runway, at the head of a Cottonwood Canyon tributary. 320 Comment
  RSA78146  Lyonothamnus floribundus subsp. floribundus Verne Grant 1953-5-2 18435 Los Angeles Santa Catalina Island. Near crest of main ridge of island at head of Swain's Canyon 427 Comment
  SD90357  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Doug Propst 1973-2-14 42479 Los Angeles Canta Catalina Island: Ironwood Gully on slopes of hill E of Isthmus above Banning House 182 Comment
  UCR223327  Machaeranthera canescens R. G. Swinney 2009-8-25 11464 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  UC625141  Madia exigua F. R. Fosberg 1931-5-4 S 4762 Los Angeles Bullrush Canyon Santa Catalina Island 60 Comment
  POM362175  Madia gracilis L. C. Wheeler 1932-6-12 813 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA561591  Madia gracilis Steve Boyd, Orlando Mistretta 1993-6-3 8178 Los Angeles Western San Gabriel Mountains: north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile NE of May Canyon saddle. 915 Comment
  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
  RSA226909  Malacothamnus fasciculatus Robert F. Thorne, C. W. Tilforth 1971-6-17 39976 Los Angeles San Gabriel Mountains, Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  RSA433295  Malacothamnus fasciculatus F. R. Fosberg 1931-7-14 S- 5406 Los Angeles Whites Landing, Santa Catalina Island. 5 Comment
  RSA522442  Malacothamnus fremontii Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4063 Los Angeles NNE of Tie Summit Station and E of Angeles Forest Hwy, Tujunga Ranger District. 1564 Comment
  RSA730299  Malacothamnus fremontii R. G. Swinney 1998-9-4 6919 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 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
  UC2030083  Malacothamnus marrubioides Steve Boyd, Valerie Soza 2002-4-10 1387 Los Angeles Transverse Ranges, Liebre Mountains region: Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 2 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stable Fire 2001 area. Comment
  UCR75299  Malacothrix Scott D. White 1992-10-8 901 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  RSA611842  Malacothrix californica Steve Boyd, Valerie Soza 1998-4-28 10170 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  SFV4045  Malacothrix californica M. L. Vincent 1960-6-23 77 Los Angeles San Gabriel Mountains Big Pine camping area. 1 mile off Highway 138 on the Bald Flat Road. 1829 Comment
  PASA322  Malacothrix clevelandii Frank W. Peirson 1923-5-21 Los Angeles Fish Canyon, San Gabriel Mts. 792 Comment
  POM362277  Malacothrix coulteri Anstruther Davidson 3640 Los Angeles Catalina [Island] Comment
  SBBG44371  Malacothrix glabrata G. Sphon, D. Hearn 1956-5-30 21 Los Angeles Black Butte Comment
  CAS-BOT-BC347915  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-7-21 46229 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  CAS-BOT-BC347948  Malacothrix saxatilis var. tenuifolia Louis C. Wheeler 1933-8-14 2080 Los Angeles On dry ridge San Dimas Canyon, San Gabriel Mts. 609 Comment
  RSA587717  Malacothrix saxatilis var. tenuifolia Steven A. Junak, Mary C. Hochberg, H. L. Ferguson 1981-7-28 sci 13 Los Angeles San clemente Island, NW portion of island, at N end of beach at W Cove 5 Comment
  UC831162  Malacothrix saxatilis var. tenuifolia L. W. Nuttall 271 Los Angeles Santa Catalina Island Comment
  UCR143273  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-3-31 S- 4423 Los Angeles Channel Islands, Santa Catalina Island, Avalon 5 Comment
  SEINET11799395  Malacothrix saxatilis var. tenuifolia J. F. Bright, Wyman, C. 1932-1 7999 Los Angeles Hollywood Comment
  CHSC35414  Malosma laurina James Henrickson 1973-6-23 10924 Los Angeles Santa Monica Mts., Topanga Canyon, 3/4 mile N of Topanga P.O. along old Topanga Canyon Road; 243 Comment
  RSA661185  Malosma laurina LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 397 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UC17938  Malosma laurina S. B. and W. F. Parish June, 1887 1928 Los Angeles San Fernando Comment
  RSA611923  Malva parviflora Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR62077  Malva sylvestris S. J. Myers, R. Montijo 1990-4-19 s.n. Los Angeles Powder Canyon, city of La Habra Heights 245 Comment
  UC625027  Marah macrocarpa F. R. Fosberg 1931-3-18 S 4287 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  UCR281338  Marah macrocarpa R. G. Swinney 2014-5-21 16626 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA440971  Marah macrocarpa C. B. Liter, J. A. Powell 1928-4-3 s.n. Los Angeles Catalina Island. Comment
  SEINET8551204  Marah macrocarpa G. B. Grant 1904-1 778 Los Angeles Pasadena. Comment
  UCSB6287  Marah macrocarpa Kamb, Peter 1948-2-29 Los Angeles Ridge west of Sheep Corral Canyon, Verdugo Range 701 Comment
  CHSC99445  Marah macrocarpa var. macrocarpa LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 b Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 823 Comment
  RSA409834  Marrubium vulgare C. B. Liter 1928-4-2 s.n. Los Angeles Santa Catalina Island. NW of Avalon. Comment
  RSA657364  Marrubium vulgare Joseph M. Keefe 2001-1-19 30953 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  LA206251  Meconella denticulata Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  UCR273580  Medicago lupulina R. G. Swinney 2011-7-7 15466 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  UCR41713  Medicago polymorpha G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  OBI30169  Medicago polymorpha T. Pringle 1966-3-16 63 Los Angeles At La Alba and Cardesa Dr on a vacant lot. Whittier Comment
  POM348029  Medicago polymorpha C. B. Liter 1928-04 s.n. Los Angeles Seal Beach. Comment
  RSA258360  Medicago polymorpha C. W. Tilforth 1972-4-20 507 Los Angeles Screen House Comment
  RSA652174  Medicago polymorpha John T. Rollins 1948-5-26 s.n. Los Angeles Found on the hwy shoulder on the N/W corner of Azusa Blvd. & Cypress Ave., Covina. 129 Comment
  UC1587726  Medicago polymorpha Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5137 Los Angeles 550 ft ssw 924' BM at E end of the old airfield landing strip; San Clemente Island 279 Comment
  SFV20826  Medicago sativa L. Gross 2002-6-24 543 Los Angeles Verdugo Mountains Along La Tuna Canyon Road. 488 Comment
  OBI74763  Melaleuca quinquenervia Unknown 2007-3-10 10 -Mar-07 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro 3 Comment
  POM137986  Melica imperfecta R. F. Thorne, P. Everett 1965-6-23 34997 Los Angeles Santa Catalina Island: near mouth of Hamilton Canyon NW of Avalon 8 Comment
  POM353050  Melica imperfecta L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  POM357049  Melica imperfecta Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA0060811  Melica imperfecta LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6971 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA87441  Melica imperfecta F. W. Peirson 1923-4-12 3420 Los Angeles Wilson's Cove, San Clemente Island Comment
  UCR2560  Melica imperfecta F. M. Reed 1909-7-2 2807 Los Angeles Channel Islands, Santa Catalina Island, Pebbly Beach Road near Avalon 12 Comment
  SEINET10926311  Melica imperfecta var. flexuosa Timothy S. Ross, Steve Boyd 1994-5-25 Ross 7936 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from 600-800 m WSW of Summit. Warm Springs Mtn 7.5' USGS Quadrangle; T6N R16W (sections not demarcated). More-or-less flat-bottomed basin of cobbly and gravelly sedimetnary soil. Slopes recovering from burn of 4-5 years earlier; mostly chaparrel elements on slopes. Of note are dead remains of Juniperus californica throughout the lower portions of the basin which have not survived the fire and do not appear to be regenerating. Basin heavily infested with annual, non-native grasses which may have carried the fire and intensified its effects against the original juniper community. Comment
  POM2395  Melilotus albus D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA652197  Melilotus albus Serge Krepenko 1948-1-24 s.n. Los Angeles 4 m. S/E of San Fernando. 396 Comment
  RSA495077  Melilotus indicus A. C. Sanders 1988-5-18 7821 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. 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
  CATA961  Mentha X piperita Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1827 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below junction of road to Ben Weston Beach 153 Comment
  RSA595023  Mentha aquatica Steve Boyd, Lauren Raz 1996-10-8 8988 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCR243033  Mentha aquatica R. G. Swinney 2009-8-6 11536 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  POM49185  Mentzelia affinis L. R. Abrams 1901-4-4 1323 Los Angeles Chatsworth Park. Comment
  RSA440348  Mentzelia affinis Anstruther Davidson 1911-5-28 s.n. Los Angeles Chatsworth Park. Comment
  UCR270498  Mentzelia albicaulis R. G. Swinney 2011-4-1 14290 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  VVC2927  Mentzelia albicaulis Tim Thomas 2014-5-4 6286 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  SBBG69268  Mentzelia congesta R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  SD130298  Mentzelia congesta J. Hershberg, T. Glenn 1990-5-20 Los Angeles Angeles National Forest, near Agua Dulce. 1219 Comment
  UCSB4244  Mentzelia dispersa B., K. Los Angeles San Dimas Experimental Forest, south side of burn area, San Gabriel Mountains Comment
  POM188391  Mentzelia jonesii P. A. Munz, T. Craig 1933-5-13 12934 Los Angeles 12 miles south of Munroc. Comment
  RSA679292  Mentzelia laevicaulis Mark A. Elvin, Anne Marie Ruff 1996-8-1 296 -C Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  RSA733770  Mentzelia micrantha R. G. Swinney 2000-6-19 7812 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA0047740  Mentzelia veatchiana A. C. Sanders, Plant Taxonomy Class 2014-4-12 41010 Los Angeles NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  RSA595934  Mentzelia veatchiana Louis C. Wheeler 1967-5-9 9386 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UCR223366  Mentzelia veatchiana R. G. Swinney 2009-5-20 10826 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA709635  Mentzelia veatchiana LeRoy Gross 2005-4-28 2166 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA650011  Mesembryanthemum Clyde Johnson 1948-2-15 s.n. Los Angeles Valley Center Ave., San Dimas. 366 Comment
  LA209554  Mesembryanthemum crystallinum Jonathan Sauer; D. Birindelli 1969-1-31 4341 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  SBBG112948  Microseris douglasii S. A. Junak with K. Kirkland, L. Vorobik 1998-5-16 SCa 705 Los Angeles N side of Airport Rd, at rd side pullout ca. 0.3 mi E of KBRT Radio Station 441 Comment
  RSA251435  Microseris douglasii subsp. platycarpha R. F. Thorne 1966-4-17 36102 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  RSA562422  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-15 2314 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
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Nov 7 2010
  RSA607950  Microseris heterocarpa L. C. Wheeler 1936-6-6 4118 Los Angeles San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  RSA730751  Microseris heterocarpa A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26116 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  RSA616264  Microseris lindleyi Scott D. White 1998-5-15 6493 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  RSA756079  Microseris lindleyi R. G. Swinney 1998-4-14 5982 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA527652  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4373 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA600883  Microseris lindleyi L. C. Wheeler 1946-4-14 6185 Los Angeles San Gabriel Mountains. Fish Canyon ca. one mile downstream from falls. 396 Comment
  RSA95203  Microseris lindleyi L. C. Wheeler 1934-4-24 2540 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA298673  Mimulus aurantiacus D. C. Michener 1982-8-3 4165 Los Angeles San Gabriel Mountains: CA 2 ca. 7.6 miles above junction with I-210 in Pasadena. Comment
  RSA482525  Mimulus aurantiacus Richard Noyes, L. Arnseth 1988-4-30 535 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  LA105326  Mimulus aurantiacus var. pubescens Barry A. Prigge; 1989-4-23 8440 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA0086919  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-8-9 13468 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA439234  Mimulus aurantiacus var. pubescens L. B. Ware 1971-5-16 101 Los Angeles Tuna Canyon (east side), Santa Monica mountains. 168 Comment
  UC1012121  Mimulus aurantiacus var. pubescens Francis W. Pennell 1940-4-19 25143 Los Angeles 2 mi nw Los Angeles (Route 99) 518 Comment
  RSA747187  Mimulus bigelovii R. G. Swinney 2008-6-10 9007 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 Comment
  UCD122435  Mimulus brevipes Daryl Koutnik 1978-3-31 198 Los Angeles West fork of Triunfo Creek, south of Westlake. 411 Comment
  RSA420664  Mimulus cardinalis M. B. Dunkle 1933-7-11 3656 Los Angeles San Gabriel Mountains, upper San Gabriel Canyon 457 Comment
  UCR259654  Mimulus cardinalis R. G. Swinney 2010-9-1 13669 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA678166  Mimulus flemingii Mark A. Elvin, Orlando Mistretta 1996-3-24 125 Los Angeles Eagle Canyon, San Clemente Island Comment
  JEPS30709  Mimulus floribundus Peter H. Raven, W. O. Griesel 1961-10-13 16843 Los Angeles about 200 yards above Switzers Camp; Upper Arroyo Seco 762 Comment
  POM246631  Mimulus floribundus F. R. Fosberg 1931-5-7 S- 4845 Los Angeles Santa Catalina Island. Cottonwood Canyon, rt. fork. 240 Comment
  RSA0091507  Mimulus floribundus R. G. Swinney 2011-10-10 15768 Los Angeles 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 1537 Comment
  RSA191013  Mimulus fremontii Robert F. Thorne 1963-5-15 31658 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  RSA624023  Mimulus fremontii var. fremontii S. Brock 1963-5-11 20 Los Angeles 1.5 mi. above Little Rock lake, S of dirt road in wash. 915 Comment
  UC1537596  Mimulus fremontii var. fremontii Gordon H. True Jr. 1935-3-28 189 Los Angeles w Littlerock 914 Comment
  JEPS11538  Mimulus guttatus Frank W. Peirson 1918-6-1 198 Los Angeles Eaton Canyon San Gabriel Mountains 640 Comment
  LA209382  Mimulus guttatus F. R. Fosberg; 1932-5-7 8146 Los Angeles Santa Catalina Island, Grand Canyon, Santa Catalina Island, below falls 100.0 Comment
  RSA251472  Mimulus guttatus Robert F. Thorne 1973-4-11 42837 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  UC1314285  Mimulus johnstonii Noel H. Holmgren, James L. Reveal 1966-5-30 2615 Los Angeles 2 mi nw Mt. Wilson top; San Gabriel Mountains 1645 Comment
  RSA746858  Mimulus pilosus Orlando Mistretta 1992-5-21 371 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UCR281669  Mirabilis laevis R. G. Swinney 2014-4-17 16106 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  RSA649339  Mirabilis laevis Don Holland 1971-3-17 P. 028 Los Angeles Collected on west end of Puddingstone Reservoir, off San Dimas Ave. 335 Comment
  RSA670673  Mirabilis laevis Bonnie C. Templeton 1968-2-25 11388 Los Angeles Near isthmus, Santa Catalina Island. Comment
  CAS-BOT-BC434643  Mirabilis laevis var. crassifolia John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  POM324026  Mirabilis laevis var. crassifolia Greg Wright 1971-5-28 135 Los Angeles San Gabriel Mts.; On North Mills Ave, North Claremont 518 Comment
  CAS-BOT-BC434812  Mirabilis laevis var. retrorsa Ellis; Morse 1940-5-20 s.n. Los Angeles Mojave Desert, region Palmdale Comment
  UCR119540  Mirabilis multiflora var. pubescens Steve Boyd 1998-10-7 10300 Los Angeles West Mojave Desert/Transverse Range, Liebre Mtns. Region. Southern edge of the Antelope Valley at the N base of Portal Ridge, NW of the mouth of Kings Canyon, south of Hwy 138 and the California Aqueduct 915 Comment
  UCR219810  Modiola caroliniana Lorraine Weller 2010-1-18 180110- 03 A Los Angeles Union Avenue/Cesar Chavez Community Garden, 1136 South Union Ave., Westlake, Los Angeles 70 Comment
  RSA434972  Modiola caroliniana Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
  RSA659842  Monardella australis subsp. cinerea Orlando Mistretta 1991-7-30 s.n. Los Angeles Near the summit of Baldy. 2927 Comment
  RSA733284  Monardella breweri R. G. Swinney 2001-5-17 7950 Los Angeles San Gabriel Mtns./Mojave Desert: Largo Vista area, along Panorama Rd. c. I mile west of Largo Vista Rd. 1338 Comment
  CAS-BOT-BC219842  Monardella breweri subsp. breweri W. R. Dudley; F. H. Lamb 1896-6-6 4341 Los Angeles Edge of Antelope Valley near Neenach, Liebre Mountains Comment
  RSA226993  Monardella cinerea Robert F. Thorne 1971-8-25 41240 Los Angeles summit of Mt. Baden Powell toward S ridge on crest at top. 2835 Comment
  SEINET12272525  Monardella lanceolata Unknown 1933-1 3514 Los Angeles Sulphur Springs, San Gabriel Mountains 1524 Comment
  RSA230204  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-7-2 38268 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UC1124619  Monardella saxicola Jerome S. Horton 1935-7-18 222 Los Angeles Tanbark Flat Pomona Quadrangle Comment
  RSA0003928  Monardella saxicola I. M. Johnston 1918-9-1 2133 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  RSA615555  Mucronea californica LeRoy Gross 1998-5-15 13 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 366 Comment
  RSA725082  Mucronea perfoliata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -94 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  RSA547472  Muhlenbergia californica Timothy S. Ross, Orlando Mistretta 1992-7-24 6770 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA87324  Muhlenbergia microsperma F. W. Peirson 1918-5-5 1589 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  UCR259933  Muhlenbergia microsperma R. G. Swinney 2010-3-18 11970 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  RSA776488  Muhlenbergia richardsonis LeRoy Gross, Jane Tirrell 2011-7-20 5530 Los Angeles Head waters of South Fork Big Rock Creek, east of Angeles Crest Highway. 2317 Comment
  SBBG59541  Muhlenbergia rigens R. Hoffmann 1927-9-21 Los Angeles Gorman Comment
  UCR138507  Muilla maritima L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp. 2012 Comment
  UCR205858  Muilla maritima R. G. Swinney 2008-5-8 8807 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  POM1688  Muilla maritima Edmund M. Pease Jr. 1902-5-6 s.n. Los Angeles Claremont. 427 Comment
  RSA377601  Muilla maritima Thekla Mohr s.n. Los Angeles Eaton Canyon. Comment
  CAS-BOT-BC327740  Munzothamnus blairii Steven A. Junak 1996-7-24 SCI- 650 Los Angeles San Clemente Island. Box Canyon, ca 1.2 miles inland from beach 228 Comment
  SBBG19146  Munzothamnus blairii C. Burch 1963-12-15 Los Angeles first cyn S of Seal Cove Comment
  CAS-BOT-BC243701  Myoporum laetum Timothy S. Ross; Angelika Brinkmann-Busi 1992-3-28 6058 Los Angeles Rancho Palos Verdes, lower Altamira Canyon, first small canyon NW of Portuguese Point, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 15 Comment
  JEPS1384  Nama demissa var. demissa W. L. Jepson 1935-4-17 17051 Los Angeles 6 1/2 mi w Lancaster (w Mohave Desert); , w of Lancaster 731 Comment
  RSA757801  Nassella cernua Orlando Mistretta, Christine Mistretta 2008-4-7 2368 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 46 per TRTP survey-2008) 1031 Comment
  UC70990  Nassella cernua J. B. Davy 1901-3-1 Los Angeles Saugus Comment
  RSA3567  Nassella lepida C. B. Wolf 1932-5-12 3580 Los Angeles Hillside east of the Isthmus, Santa Catalina Island. 30 Comment
  UCD87962  Nassella lepida Robert F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island, at Cherry Valley. Comment
  RSA577547  Nassella pulchra L. C. Wheeler 1936-6-6 4116 Los Angeles E side San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  RSA647895  Nasturtium officinale LeRoy Gross, Wayne Law 2000-8-8 179 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. Parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  UCR217420  Nasturtium officinale R. G. Swinney 2009-3-10 10066 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA3700  Navarretia hamata subsp. leptantha C. B. Wolf 1932-5-11 3547 Los Angeles Hillside W. of Isthmus harbor. Santa Catalina Island. 15 Comment
  RSA670111  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles Los Angeles, north of Gardena, Rosecrans Ave. just west of its junction with Western Ave. Comment
  RSA75121  Nemacladus ramosissimus F. W. Peirson 1918-6-4 220 Los Angeles Burned area in Hlls east of Rubio Canyon Comment
  UCR222844  Nemacladus sigmoideus R. G. Swinney 2009-5-12 10749 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
  SD113486  Nemophila menziesii Darley F. Howe 1915-4-1 14 Los Angeles Claremont Comment
  UC1426018  Nemophila menziesii Donald R. Bissing 1973-3-29 32 Los Angeles Evey Canyon San Gabriel Mountains, Evey Canyon (0.3 mi from mouth canyon, San Gabriel Mountains) 713 Comment
  UCR270987  Nemophila menziesii subsp. integrifolia R. G. Swinney 2011-4-28 14535 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  RSA421378  Nemophila menziesii var. integrifolia Ella Mae Bolton 1933-4-2 s.n. Los Angeles Mint Canyon. Comment
  UCR185394  Nemophila parviflora A. C. Sanders, T. B. Salvato 2007-4-25 33547 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
  CAS-BOT-BC434984  Nemophila parviflora var. quercifolia A. C. Sanders; T. B. Salvato 2007-4-24 33504 Los Angeles Tehachapi Mountains: hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1082 Comment
  RSA577280  Nicotiana attenuata Orlando Mistretta 1994-7-20 1440 Los Angeles San Gabriel Mountains: Big Rock Creek, South Fork Campground. 1402 Comment
  UCR189717  Nicotiana attenuata R. G. Swinney 1998-7-10 6370 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  RSA699999  Nicotiana bigelovii Kenneth Beard s.n. Los Angeles Along coast highway; north of Santa Monica Comment
  CHSC3712  Nicotiana glauca Sue Boergadine 1966-5-10 Los Angeles San Raphael hills. 213 Comment
  HSC21274  Nicotiana glauca David Porter 1965-4-24 Los Angeles 5 mi. W of Newhall on Pico Canyon Rd., Newhall 610 Comment
  RSA578893  Nicotiana glauca Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8099 Los Angeles Cottonwood Swamp' confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 512 Comment
  RSA649016  Nicotiana glauca Scott Lowe 1991-4-9 9 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  UC26171  Nicotiana glauca Harley P. Chandler 1897-5-21 Los Angeles Claremont 365 Comment
  LA200903  Nicotiana glauca Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1968-11-23 4366 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon and salt marsh Comment
  RSA426673  Nicotiana quadrivalvis D. L. Crawford 1936-5-5 s.n. Los Angeles Soledad Canyon. Comment
  SEINET4095184  Nuttallanthus texanus M. B. Dunkle 1939-1 7313 Los Angeles Mosquito Ridge on San Clemente Island. Comment
  SBBG61323  Oenothera californica subsp. avita R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  JEPS85152  Oenothera californica subsp. californica Roy E. Buck and Rexford Palmer 1989-4-29 1234 Los Angeles s side of Hungry Valley Rd ca 2.7 air km nw confluence of Gorman Creek and Hungry Valley drainage (10 air km sse of Gorman); Lower Hungry Valley 922 Comment
  UC1234721  Oenothera elata subsp. hirsutissima David P. Gregory 1961-8-10 479 Los Angeles in apple orchard near several springs in canyon bottom (sw of Mt. San Antonio); San Gabriel Mountains, Coldwater Canyon Comment
  UCR102375  Oenothera rosea L. C. Wheeler 1951-5-14 6801 Los Angeles Base of San Gabriel Mtns., Pasadena, Devils Gate Dam, Arroyo Seco Comment
  RSA601255  Olea europaea Louis C. Wheeler 1946-1-13 6168 Los Angeles San Marino. La Presa Drive and Huntington Drive. Comment
  UCR125774  Opuntia basilaris A. C. Sanders, Mark Elvin 2002-6-18 25124 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA572096  Opuntia littoralis F. H. Elmore 1939-11-23 382 Los Angeles Northwest harbor of San Clemente Island Comment
  POM156366  Opuntia oricola L. R. Abrams 1902-6-9 2515 Los Angeles Playa del Rey. Comment
  LA90264  Oreonana vestita F. R. Fosberg; 1931-8-12 5671 Los Angeles San Gabriel Mountains, Mt. Islip, Summit 2500.0 Comment
  RSA597037  Oreonana vestita T. S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3837 Los Angeles Ridgetop to the NNW of Crystal Lake (ridge descending SSW from Mt. Islip) 2232 Comment
  UCR272847  Oreonana vestita R. G. Swinney 2011-8-5 15607 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  CAS-BOT-BC502623  Orobanche bulbosa Carl B. Wolf 1932-10-5 4232 Los Angeles Santa Catalina Island, S side of Black Jack Peak, below workers' dormitories 304 Comment
  RSA0059188  Orobanche bulbosa Robert Gustafson 1983-7-18 2778 Los Angeles San Gabriel Mts., Angeles Crest Hwy., about 3 miles past the Mt. Wilson turnoff. 1524 Comment
  RSA0076161  Orobanche bulbosa Philip A. Munz, R. D. Harwood 1920-5-2 3817 Los Angeles San Dimas Canyon. 457 Comment
  RSA773674  Orobanche californica R. G. Swinney 2009-6-3 11041 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC499908  Orobanche fasciculata C. Epling; C. Darland 1935-6-1 s.n. Los Angeles Tujunga Canyon Comment
  RSA0013171  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2011-6-23 5744 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0066502  Orobanche fasciculata Tim Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3801 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  UC1400352  Osmorhiza brachypoda Donald R. Bissing 1973-2-22 6 Los Angeles Evey Canyon San Gabriel Mountains (1.0 mi from canyon mouth, on ne face of canyon wall) 853 Comment
  UC56284  Oxalis albicans subsp. californica H. M. Hall May 1902 3286 Los Angeles Santa Ana River Canyon 243 Comment
  CATA2959  Oxalis californica Sarah Ratay 2008-8-4 104 Los Angeles Santa Catalina Island 0 Comment
  RSA771524  Oxalis pes-caprae Robert F. Thorne 1973-3-14 42655 Los Angeles San Dimas Canyon near its mouth. Comment
  RSA64780  Oxytheca perfoliata F. W. Peirson 1917-5-13 1784 Los Angeles W. Mojave Desert. Comment
  UC1375432  Oxytheca trilobata Robert F. Thorne and C. W. Tilforth 1971-6-29 40722 Los Angeles where crossed by Angeles Forest Rd Tie Canyon (slopes along Aliso Creek); San Gabriel Mts., Angeles National Forest, Aliso Creek 1371 Comment
  UCR248299  Oxytheca trilobata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 400 Los Angeles San Gabriel Mountains, Road 7N23, Liebre Mountains 1484 Comment
  UC1537029  Packera breweri Gordon H. True Jr. 1935-5-16 282 Los Angeles Head of Bouquet Canyon 914 Comment
  RSA505264  Packera ionophylla S. Zona, D. Arias, Oscar Dorado, M. Hanson, J. L. Villasenor 1989-6-21 365 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  CAS-BOT-BC121173  Paeonia californica Marion L. Campbell 1921-3-28 140 Los Angeles Los Angeles Comment
  JEPS79941  Paeonia californica I. W. Clokey and E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon 900 Comment
  POM346598  Paeonia californica Barry Burnell 1971-3-18 240 Los Angeles San Dimas Canyon, 6.2 miles from the intersection of Foothill and San Dimas Canyon Rd. 480 Comment
  RSA0011210  Paeonia californica Unspecified 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  RSA562905  Panicum capillare Gary D. Wallace 1979-5-2 1837 Los Angeles Arcadia: Vacant lot, SW corner of Baldwin Ave. and Foothill Blvd. Comment
  RSA602204  Panicum miliaceum L. C. Wheeler 1945-6-17 6073 Los Angeles South El Monte: Rio Hondo between Rosemead Boulevard and Garvey Avenue. Comment
  LA200736  Papaver californicum Unknown; 1927-5-14 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM199768  Papaver californicum I. W. Clokey, Bonnie C. Templeton 1929-04 4464 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  POM171349  Papaver californicum Marcus E. Jones 1928-5-3 s.n. Los Angeles Santa Maria Comment
  UCD95988  Papaver californicum Gene Bishop 1994-5-19 T 7 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  UCD111495  Parietaria hespera var. hespera Daryl Koutnik 1978-5-2 456 Los Angeles Bell Canyon in the Simi Hills. 426 Comment
  RSA526555  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4241 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA605815  Paspalum dilatatum L. C. Wheeler 1966-10-27 9095 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA751517  Paspalum vaginatum Carl Wishner, A. Gale 2005-8-12 2 -11 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  RSA746628  Pectocarya linearis R. G. Swinney 2008-4-10 8638 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA0061128  Pectocarya linearis subsp. ferocula LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6833 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  IRVC26463  Pectocarya penicillata A. C. Sanders, Mark Elvin, et al. 2003-3-4 25701 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA717039  Pectocarya penicillata Gary Kovnat, LeRoy Gross 2003-2-16 33 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  UCR281968  Pectocarya penicillata R. G. Swinney 2014-4-17 16090 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  UCSC011207  Pectocarya penicillata Adam Searcy 2015-2-10 67 Los Angeles Val Verde Comment
  LA94149  Pellaea andromedifolia Lawrence L. Kiefer; 1966-4-30 1914 Los Angeles SANTA MONICA MOUNTAINS, Serrano Canyon Road, ca 2 mi W of Yerba Buena Rd. 396 Comment
  SDSU3614  Pellaea andromedifolia Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, San Garbriel Mtns. rocky bank about 1/8 of a mile down Chantrx Flats Trail. Comment
  SEINET6429230  Pellaea andromedifolia G. B. Grant April 1904 918 Los Angeles Mt. Wilson, S Cal. Comment
  UCR150591  Pellaea mucronata var. mucronata L. C. Wheeler 1967-9-4 10643 Los Angeles San Gabriel Mountains, Pine Mountain Ridge 2317 Comment
  RSA686910  Pellaea mucronata var. mucronata Albert J. Perkins 1920-3-6 s.n. Los Angeles San Gabriel Moutains, Trail to Opido Camp Comment
  RSA0031685  Penstemon X parishii Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  POM175372A  Penstemon caesius Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Exposed ridge near north Baldy Peak, San Gabriel Mts. Comment
  RSA0091535  Penstemon centranthifolius R. G. Swinney 2011-6-14 15121 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0078385  Penstemon grinnellii R. G. Swinney 2010-10-8 14008 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UCR223698  Penstemon grinnellii R. G. Swinney 2009-6-24 11245 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA0106853  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-29 15580 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  HSC46675  Penstemon grinnellii subsp. scrophularioides Robert Gustafson 1978-6-1 947 Los Angeles 0.5 mi. E off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, 1 mi. S of Gorman 1311 Comment
  NY601245  Penstemon grinnellii var. scrophularioides T. S. Ross 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending east-southeast from the north summit of Grass Mountain; margin of Grass Mountain - Leona Divide Truck Trail. 1274.1 Comment
  NY661019  Penstemon speciosus L. Abrams 1908-7-5 643 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1981.2 Comment
  POM305832  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1940-3-8 1082 Los Angeles North of Claremont. Comment
  LA51910  Penstemon spectabilis var. subviscosus M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  VVC2774  Pentachaeta lyonii Tim Thomas 1983-5-19 577 Los Angeles Transverse Range, Santa Monica Mtns; Rocky Oaks vic Mulholland and Kanan.Ro 530 Comment
  LA3444  Pentagramma triangularis subsp. triangularis Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Campus. Comment
  LA94210  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-26 1794 Los Angeles SANTA MONICA MOUNTAINS, Greenleaf Canyon, N of Topanga. 259 Comment
  RSA687396  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1928-4-10 1832 Los Angeles Santa Catalina Island, Johnson's Canyon. 61 Comment
  UCSB62244  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-8-28 Los Angeles San Gabriel Mtns., vicinity of Mt. Gleason, Moody Cyn. Rd., ca. 3 miles down from Mt. Gleason Rd. 1463 Comment
  UCR223244  Perideridia gairdneri R. G. Swinney 2009-7-22 11364 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC217830  Perideridia pringlei W. R. Dudley; F. H. Lamb 1896-6-17 4561 Los Angeles Side of Frazier Mountain, Mt. Pinos Region Comment
  OBI35706  Peritoma arborea Rebecca Cicoria 1982-4-25 52 Los Angeles Palos Verdes Peninsula: Agua Magna Cyn, Rolling Hills Comment
  SBBG70205  Peritoma arborea R. Hoffmann 1925-5-17 Los Angeles Neenach Comment
  CAS-BOT-BC73755  Peritoma arborea var. arborea Volney Rattan 1880-3-1 s.n. Los Angeles Santa Monica Comment
  RSA75505  Phacelia brachyloba F. W. Peirson 1920-5-3 2119 Los Angeles Little Tujunga wash, near San Fernando Valley 335 Comment
  RSA598379  Phacelia cicutaria var. hispida Louis C. Wheeler 1967-5-24 9762 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  UCR200031  Phacelia cicutaria var. hispida Valerie Soza, Susan Caplow 2003-4-11 1628 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway, north side of powerline tower 640 Comment
  UCR259363  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12289 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR277029  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12943 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA427653  Phacelia cicutaria var. hispida Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  POM18116  Phacelia davidsonii P. A. Munz 1923-5-26 6841 Los Angeles Head of Vincent Gulch, San Gabriel Mts. 1982 Comment
  RSA0098377  Phacelia davidsonii R. G. Swinney 2011-6-6 14985 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR101708  Phacelia distans B. G. Pitzer 1998-5-23 3753 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR222732  Phacelia distans R. G. Swinney 2009-5-12 10735 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR280859  Phacelia distans R. G. Swinney 2014-5-1 16308 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA316339  Phacelia distans Robert F. Thorne 1982-4-20 54956 Los Angeles 2.5 miles S of Llano 1159 Comment
  SD113330  Phacelia douglasii Darley F. Howe 1948-5-2 1780 Los Angeles Desert side of Angeles Crest Highway. 1584 Comment
  JEPS108275  Phacelia fremontii David Gowen 2005-5-11 312 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  RSA586285  Phacelia fremontii Orlando Mistretta 1995-3-14 1531 Los Angeles Broad drainage basin on desert edge W of Little Rock Creek 1158 Comment
  UCSB33347  Phacelia fremontii Black, Nan 1968-4-6 Los Angeles 100 feet south of Santiago Canyon Road, 0.6 miles north of junction of Old Sierra Highway and Santiago Road, 4 miles northeast of Acton 914 Comment
  RSA545322  Phacelia grandiflora Tim S. Ross 1992-5-17 6331 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39 463 Comment
  UC1183057  Phacelia grandiflora P. C. Everett and E. K. Balls 1960-5-30 24137 Los Angeles 2.2 mi n entrance to Angeles National Forest; San Gabriel Canyon 365 Comment
  UCD120602  Phacelia imbricata Clinton C. Shock 1980-6-16 138 Los Angeles Interstate Highway 5, 0.4 mile northwest of Tejon Pass. Comment
  RSA0091092  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-5-26 14867 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  UC535041  Phacelia imbricata subsp. patula Victor Duran 1933-7-25 3533 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  SD48925  Phacelia lyonii Reid Moran 1958-9-18 6849 Los Angeles San Clemente Island, 2 miles SE of Eel Point 74 Comment
  UC1349037  Phacelia lyonii Robert F. Thorne and P. Everett 1965-5-11 34526 Los Angeles rocky bluff near Ballast Point (e side of harbor); Santa Catalina Island, Catalina Harbor 60 Comment
  RSA0087876  Phacelia minor R. G. Swinney 2010-6-29 13373 B Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA617461  Phacelia minor Scott D. White 1998-6-23 6756 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 548 Comment
  SBBG125211  Phacelia minor A. Parikh, N. Gale 2010-6-21 3355 Los Angeles Upper Shortcut Cyn, 0.4 km S of St Hwy 2, 0.8 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1390 Comment
  RSA669705  Phacelia minor LeRoy Gross 2002-2-24 483 Los Angeles Northwest side; Entered at the corners of Ledge Ave. & Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek 305 Comment
  RSA226951  Phacelia mohavensis Robert F. Thorne 1971-8-25 41267 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  LA38566  Phacelia ramosissima A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CLARK-A1528-4794  Phalaris canariensis Alfred R. Roos 1958-5-21 Los Angeles Brentwood Comment
  RSA659834  Phalaris caroliniana Orlando Mistretta 1992-4-5 161 Los Angeles Guds, San Clemente Island. Comment
  RSA3568  Phalaris minor C. B. Wolf 1932-5-12 3581 Los Angeles Hillside east of the Isthmus, Santa Catalina Island. 30 Comment
  SBBG57138  Phalaris minor M. N. Ackley -May-1928 37 Los Angeles southwest flats, Los Angeles 38 Comment
  UC777916  Phalaris minor Frank W. Gould 1944-4-15 2292 Los Angeles near corner of Crenshaw and Rosecrans Comment
  UCR124564  Phlox diffusa B. C. Templeton 1932-6-17 4905 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA791794  Pholisma arenarium J. George 2011-7-12 s.n. Los Angeles South Coast: Palos Verdes Estates, just off Palos Verdes Dr. North. Comment
  RSA527794  Pholistoma auritum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4359 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CAS-BOT-BC141160  Phoradendron serotinum subsp. macrophyllum Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  POM354339  Phoradendron villosum F. R. Fosberg 1931-7-14 S 5672 Los Angeles San Gabriel Mountains: Lower Pine Flats, First Camp, north fork San Gabriel River 1500 Comment
  RSA549502  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-6-18 3484 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  SDSU8072  Phoradendron villosum A. H. Gallup 1947-10-27 67 Los Angeles North of second grade north of Castaic on blue oak. 823 Comment
  POM78644  Phyla lanceolata Robert M. Perkins 1912-10-15 s.n. Los Angeles Newpor Bay. Comment
  SBBG31415  Phyllospadix torreyi R. F. Thorne 1966-4-4 35793 Los Angeles Bird Rock Comment
  SEINET3290578  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S 4575 Los Angeles Santa Catalina Island, Jewfish Point Comment
  UCR138712  Physalis philadelphica L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  POM4175  Physalis philadelphica D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  RSA678127  Pickeringia montana var. montana Valerie L. Soza, LeRoy Gross 2001-5-22 1245 Los Angeles Just above northern boundary of Morgan Fire 2000 area, headwaters of Morgan Canyon, ca. 500 feet south of Bluebird Motorway, WNW of Sycamore Flat. 808 Comment
  RSA587192  Picris echioides Scott D. White 1995-12-5 37705 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UCR205058  Picris echioides R. G. Swinney 2008-4-4 8604 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA176517  Picris echioides P. H. Raven 1960-5-31 15469 Los Angeles Campus of University of California 107 Comment
  UC1200601  Pinus attenuata Peter Kamb 1946-1-21 11 .1 Los Angeles below Mt. Lowe (Echo Mountain); San Gabriel Mountains 914 Comment
  RSA0115399  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-23 13888 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  SD108755  Pinus contorta subsp. murrayana Barry Prigge 1970-12-12 109 Los Angeles San Gabriel Mountains, 18 air miles north of San Dimas, 1 mile south of Dawson Saddle on State Highway #2 2745 Comment
  LA6137  Pinus muricata Tom O'Donnell; 1953-4-30 sn Los Angeles Santa Monica Mountains, Big Oak Flat Comment
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Jun 18 2014
  RSA382802  Piperia cooperi M. B. Dunkle 1931-4-23 2448 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA611524  Piptatherum miliaceum L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Mouth of Roberts Canyon, San Gabriel Canyon, on west side of Roberts Canyon. 251 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
  CSUSB1123  Pityrogramma triangularis Keith Thompson 1969-12-13 s.n. Los Angeles Evey Canyon 731 Comment
  CAS-BOT-BC71787  Pityrogramma triangularis var. viscosa Carl B. Wolf 1932-5-10 3515 Los Angeles Santa Catalina Island, Avalon Canyon, above the last almond orchard 121 Comment
  RSA0044604  Plagiobothrys arizonicus A. C. Sanders 2007-4-19 33431 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  RSA799808  Plagiobothrys arizonicus Pam De Vries 2013-4-3 7821 Los Angeles Tehachapi Muntains/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 Rd. 1032 Comment
  SBBG63859  Plagiobothrys arizonicus R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UCR176954  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  UC61156  Plagiobothrys arizonicus J. Burtt Davy May 9 1896-May 24 1896 2301 Los Angeles Llano Verde Antelope Valley Comment
  SBBG131578  Plagiobothrys canescens S. A. Junak 2000-4-15 SCa 1207 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 478 Comment
  RSA187810  Plagiobothrys canescens var. catalinensis R. F. Thorne 1966-4-7 35987 a Los Angeles Santa Catalina Island. S of Parson Landing and SW of Arrow Point, W. end island. 61 Comment
  SD82922  Plagiobothrys collinus var. fulvescens Robert F. Thorne 1969-7-2 38230 Los Angeles San Gabriel Mountains; Charlton Flats burn of 1954. 1600 Comment
  RSA3707  Plantago coronopus Carl B. Wolf 1932-5-11 3554 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
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Jan 23 2014
  RSA678135  Plantago indica Valerie L. Soza, Monica Acosta 2001-6-28 1305 Los Angeles Arroyo Seco near confluence with El Prieto Canyon, alongside FS Road 2N70. 366 Comment
  POM156194  Plantago lanceolata L. R. Abrams 1902-6-12 2532 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA720474  Plantago major R. G. Swinney 1997-9-6 5872 Los Angeles Jackson Lake W of Wrightwood 1875 Comment
  RSA68980  Plantago ovata var. insularis F. W. Peirson 1923-4-11 3427 Los Angeles Eagle Ranch, San Clemente Island. Comment
  UCR182747  Platanthera sparsiflora R. G. Swinney 1997-7-16 5666 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  CAS-BOT-BC93183  Platanus racemosa Peter H. Raven 1959-3-15 C 143 Los Angeles Santa Monica Mountains. Just east of Zuma Beach. 21 Comment
  RSA545377  Platanus racemosa D. Propst, Mark Hoefs 1973-3-3 50 Los Angeles Santa Catalina Island: Cottonwood Canyon. 183 Comment
  RSA249790  Platystemon californicus Robert F. Thorne 1973-5-11 43480 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  POM111B  Platystemon californicus J. H. Fairchild s.n. Los Angeles Claremont, canyon 457 Comment
  CDA38756  Plecostachys serpyllifolia M. O Brien 2012-10-7 s.n. Los Angeles La Piedra State Beach. 0 Comment
  POM11451  Poa annua P. A. Munz, R. D. Harwood 1920-3-13 3313 Los Angeles San Jose Hills 2 miles W of Pomona 305 Comment
  RSA720293  Poa annua LeRoy Gross 2007-3-30 2619 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 Comment
  SBBG56747  Poa annua M. N. Ackley -Feb-1926 7 Los Angeles Eagle Rock 182 Comment
  UCR49034  Poa annua Steve Morgan 1974-5-1 94 Los Angeles San Gabriel Valley, 1212 E. Las Tunas Dr., San Gabriel 183 Comment
  VVC2186  Poa howellii Tim Thomas 1988-4-12 1232 Los Angeles Transverse Range, Santa Monica Mtns; Stunt Ranch, half way along drive way. 436 Comment
  POM1238  Poa secunda B. Sanford 1912-05 s.n. Los Angeles Claremont Comment
  UCD90263  Poa secunda A. A. Beetle 1942-4-24 2313 Los Angeles 6 miles W of Llano, Rt. 66. Comment
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Dec 10 2014
  CAS-BOT-BC236208  Poa secunda subsp. secunda Louis C. Wheeler 1932-3-26 538 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  SBBG56795  Poa secunda subsp. secunda R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  SBBG13488  Polycarpon tetraphyllum P. H. Raven 1962-5-22 17827 Los Angeles near mouth of Cherry Cyn 6 Comment
  UCR274935  Polygala cornuta subsp. fishiae Kai T. Palenscar 2014-6-15 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region, 100 m east of Santa Anita Wash channel, south base of San Gabriel Mts., City of Arcadia 195 Comment
  CAS-BOT-BC167818  Polygala cornuta var. fishiae A. J. McC. 1893-7-29 168 Los Angeles Pasadena 1219 Comment
  UC109720  Polygala cornuta var. fishiae A. J. McClatchie June 1893 Los Angeles Old Wilson trail Comment
  SFV19886  Polygonum arenastrum J. N. Hogue 2005-6-4 244 .6 Los Angeles Los Angeles, Eagle Rock. Back yard garden of 1591 Grandola Ave. 195 Comment
  HSC93784  Polygonum argyrocoleon L. C. Wheeler 1962-5-20 8086 Los Angeles Wilmington: Catalina Island Terminal, Avalon Blvd. and Canal St. Comment
  RSA762728  Polygonum aviculare R. G. Swinney 2008-12-4 9941 Los Angeles Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA594347  Polygonum aviculare subsp. aviculare Steve Boyd, Lauren Raz 1996-10-14 9032 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  UCR162507  Polygonum persicaria Anuja Parikh, Nathan Gale 2004-6-2 2023 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA689869  Polypodium californicum Albert J. Perkins 1895-4-18 s.n. Los Angeles Mt. Lowe Comment
  RSA689895  Polypodium californicum F. R. Fosberg 1931-1-7 7119 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  UC1587151  Polypodium californicum Tim Ross 1991-5-21 5396 Los Angeles upper easterly branch of Box Canyon; San Clemente Isl. 457 Comment
  UCSB62327  Polypodium californicum Kiefer, Lawrence 1966-4-10 Los Angeles Santa Monica Mtns., Franklin Canyon, about 2mi S of Mulholland Hwy, E of road 243 Comment
  UCSB62335  Polypodium californicum Kiefer, Lawrence 1967-1-2 Los Angeles San Gabriel Mtns., Pacoima Canyon, side of stream ca. 3/4mi downstream from confluence with Ant Canyon (bridge Little Tujunga Rd. NW of Dillon Divide) 609 Comment
  UCSB62372  Polypodium californicum Kiefer, Lawrence 1967-4-9 Los Angeles San Gabriel Mtns., N of Pasadena, Upper Arroy Seco, ca. 1/2 mi up from confluence with Long Canyon 609 Comment
  UCSB62504  Polypodium californicum Kiefer, Lawrence 1966-3-6 Los Angeles Santa Monica Mtns., Los Aliso Canyon, ca. 1.5 mi from Hwy 1 274 Comment
  RSA247408  Polypogon viridis Jack Delaini, Barbara Shervanick 1974-5-23 225 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Growing near stream at the bottom of the canyon. 488 Comment
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Sep 25 2015
  SBBG12980  Polypogon viridis E. R. Blakley 1962-10-5 5444 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA233603  Populus X parryi Robert F. Thorne 1970-3-6 39386 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon near bridge. 30 Comment
  RSA659923  Populus balsamifera subsp. trichocarpa Orlando Mistretta 1992-8-17 s.n. Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  UCR205717  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36921 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR217311  Populus balsamifera subsp. trichocarpa R. G. Swinney 2009-2-20 10020 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA0086539  Potentilla glandulosa R. G. Swinney 2011-5-3 14569 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  OBI70928  Prunus dulcis Steve Boyd, Lauren Raz 1997-3-26 9324 Los Angeles Liebre Mts Region: Portal Ridge N of Lake Hughes, upper end of Myrick Cyn drainage along Lakeview Rd 1134 Comment
  OBI46138  Prunus fasciculata var. fasciculata David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20044 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA497997  Prunus ilicifolia Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon. Comment
  RSA612185  Prunus ilicifolia Anna Christensen 1997-3-16 23 Los Angeles Claremont, Bernard Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 30 yards from E. fence, 50 yards into N panhandle region. 412 Comment
  RSA547435  Prunus ilicifolia subsp. ilicifolia Unspecified 1992-5-17 6361 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; 740 m distant from the mouth of Shoemaker Canyon 713 Comment
  RSA653895  Prunus ilicifolia subsp. ilicifolia Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 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. 366 Comment
  UCR97083  Prunus virginiana R. G. Swinney 1994-10-19 3316 Los Angeles San Gabriel Mtns., Prairie Fork, Sheep Mountain Wilderness. Canyon bottom 2146 Comment
  CAS-BOT-BC154783  Prunus virginiana var. demissa Wesley O. Griesel 1962-6-6 s.n. Los Angeles Big Pines, San Gabriel Mts. 2072 Comment
  RSA0047397  Prunus virginiana var. demissa Orlando Mistretta 1990-5-16 s.n. Los Angeles Vicinity of Big Pines. Mountain High Ski Area 2098 Comment
  CATA3517  Pseudognaphalium biolettii Julia Parish 2017-12-31 050 Los Angeles Santa Catalina Island: Pacific side; Grand Canyon watershed; ridge south of Upper Coffeepot Road before it turns down to Coffeepot Canyon 461 Comment
  RSA0105485  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14164 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  SD52880  Pseudognaphalium biolettii Peter H. Raven 1962-4-9 17153 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  UC1584873  Pseudognaphalium biolettii Tim Ross 1991-4-8 4461 Los Angeles Elephant Hill, western Pomona Pomona, Elephant Hill, San Dimas USGS 7.5 quadrangle 274 Comment
  UCR41722  Pseudognaphalium biolettii G. R. Ballmer, G. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA286517  Pseudognaphalium biolettii John F. Emmel 1979-5-8 631 Los Angeles Santa Catalina Island, along dirt road on slope above the Renton Mine 305 Comment
  CATA1255  Pseudognaphalium californicum Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2339 Los Angeles Santa Catalina Island: By Empire Landing Road near quarry 124 Comment
  SD69491  Pseudognaphalium luteoalbum Robert F. Thorne, P. Everett 1965-6-23 34983 Los Angeles Santa Catalina Island, near margin of Hay Press Reservoir 409 Comment
  JEPS22870  Pseudognaphalium microcephalum Rimo Bacigalupi with Reino Alava 1958-7-21 6445 Los Angeles above canyon Arroyo Seco (along Angeles Crest Highway (Calif. No. 2)); San Gabriel Mts. 944 Comment
  SFV14740  Pseudognaphalium microcephalum J. C. Dittes, P. Dittes 1989-10-28 19 Los Angeles San Gabriel River West Fork of San Gabriel River. 0.67 miles up river from highway. South wall of canyon. 671 Comment
  SFV12452  Pseudognaphalium ramosissimum M. H. Grayum, D. L. Koutnik 1978-1-28 953 Los Angeles Santa Monica Mountains Coastal bluffs and flats just east of Temescal Canyon along Pacific Coast Highway. 8 Comment
  RSA601830  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, Valerie Soza 1997-7-8 10001 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon watershed, along Sawmill Mountain Road (7N23), ca. 0.7 miles from junction with Maxwell Truck Trail and Burnt Peak road. 1500 Comment
  UCR223122  Pteridium aquilinum R. G. Swinney 2009-7-22 11358 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR270301  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA65370  Pterostegia drymarioides F. W. Peirson 17 Los Angeles Devils Gate, Arroyo Seco, Pasadena Comment
  RSA392919  Pterostegia drymarioides Anstruther Davidson 1902-04 s.n. Los Angeles Playa del Rey. Comment
  UC1929309  Punica granatum Scott D. White, Justin Wood 2008-5-19 12014 Los Angeles Los Angeles Basin; Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 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
  UC718797  Purshia tridentata var. glandulosa L. R. Abrams 1941-4-24 13936 Los Angeles near Valyermo; Big Rock Creek Comment
  CSUSB1686  Pycnanthemum californicum Frank C. Vasek 1963-8-16 630816 4 Los Angeles San Gabriel Mountains San Gabriel Mountains, end of Coldwater Canyon, meadow at spring. 1219 Comment
  RSA401592B  Pycnanthemum californicum Louis C. Wheeler 1933-8-14 2083 Los Angeles San Dimas Canyon. 640 Comment
  SEINET10957067  Pyrus communis Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3773 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA715750  Quercus X alvordiana Scott D. White, Andrea Warniment 2006-7-7 11626 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  SEINET13095464  Quercus X grandidentata Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T. & S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.), San Gabriel Mts. 229 Comment
  UC848119  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebble Beach Canyon, left fork Santa Catalina Island 40 Comment
  LA210266  Quercus agrifolia J. & H. Sauer; J. & M. Zadny 1969-3-17 4397 Los Angeles Santa Monica Mountains, Ridge above upper Rustic Canyon Comment
  SD1074  Quercus agrifolia Mary S. Snyder Los Angeles Claremont Comment
  RSA527722  Quercus agrifolia var. agrifolia Tim S. Ross, Annette Ross 1991-3-7 4153 Los Angeles Elephant Hill, western Pomona. 230 Comment
  RSA608345  Quercus agrifolia var. agrifolia Louis C. Wheeler 1930-3-15 16 Los Angeles Mandeville Canyon. Comment
  RSA522950  Quercus berberidifolia Tim S. Ross 1990-10-26 3313 Los Angeles off the N side of Horse Canyon saddle in upper reaches of Horse Canyon drainage 854 Comment
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Jun 24 2014
  SFV21082  Quercus berberidifolia L. Gross 2000-10-28 304 Los Angeles Verdugo Mountains Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon where Grandview Ave. and Mountain Street meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). West-facing side of ridge above reservoir. 488 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
  LA30778  Quercus chrysolepis Jo Ann W. Flock; 1958-12-7 10 Los Angeles Liebre Mt, Angeles National Forest, along trail from Horse Trail Public Camp 1402 Comment
  RSA476908  Quercus chrysolepis Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA573414  Quercus chrysolepis Louis C. Wheeler 1931-11-8 339 Los Angeles San Antonio Canyon 945 Comment
  UC148018  Quercus chrysolepis C. F. Baker 1909-3-20 5240 Los Angeles near Claremont Comment
  POM19030  Quercus durata var. gabrielensis E. S. Spalding 1921-3-28 s.n. Los Angeles San Dimas Canyon. Comment
  RSA611102  Quercus durata var. gabrielensis Louis C. Wheeler 1936-1-19 4073 Los Angeles Monrovia: Edge of San Gabriel Mountains, just above Pottinger Sanitarium. 290 Comment
  RSA703508  Quercus durata var. gabrielensis Scott D. White 2004-9-3 10747 Los Angeles San Gabriel Mountains: 'Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  UCR272315  Quercus durata var. gabrielensis Mitch Provance 2016-3-1 316- 23 Los Angeles San Gabriel Mountains, Altadena, lower slopes just NE of Canon Blvd. and Devonwood Rd. 570 Comment
  CAS-BOT-BC94178  Quercus engelmannii Geo. B. Grant 1901-1-1 s.n. Los Angeles Pasadena Comment
  POM290545  Quercus engelmannii Lyman Benson 1949-10-3 14194 Los Angeles Thompson Creek at head of San Antonio Avenue northwest of Claremont. alt. 1400 ft. 427 Comment
  RSA610963  Quercus engelmannii Louis C. Wheeler 1936-1-19 4071 Los Angeles Monrovia: Edge of San Gabriel Mountains, just above Pottinger Sanitarium. 290 Comment
  SFV21072  Quercus engelmannii L. Gross 2001-3-23 344 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest. 488 Comment
  UCSB69535  Quercus engelmannii Thorne, Robert 1980-4-26 Los Angeles Channel Islands; Santa Catalina Island, Blackjack Camp; W slope of Blackjack Peak Comment
  SBBG44667  Quercus garryana var. breweri W. B. Holt 1941-10-19 4 -1941 Los Angeles not far from Artesian Spring Camp, rd E of reservoir, Bouquet Cyn to Loma Pelona Lookout Comment
  UCR95197  Quercus garryana var. breweri Steve Boyd, Lauren Raz 1996-10-8 9014 Los Angeles Liebre Mtns. region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  RSA588062  Quercus john-tuckeri Orlando Mistretta 1994-4-15 1045 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1037 Comment
  CAS-BOT-BC61545  Quercus lobata P. A. Munz; R. D. Harwood 1920-5-17 3999 Los Angeles San Fernando Valley 76 Comment
  RSA476560  Quercus pacifica F. R. Fosberg 1931-5-12 S 4850 Los Angeles Renton Pass, Santa Catalina Island. 350 Comment
  UC405474  Quercus pacifica R. L. Pendleton 1909-7-3 1386 Los Angeles s of Avalon; Santa Catalina Island 152 Comment
  UCR142716  Quercus pacifica M. B. Dunkle 1928-10-14 s.n. Los Angeles Channel Islands, Santa Catalina Island, Renton Mine Road 229 Comment
  JEPS37662  Quercus tomentella W. L. Jepson 1908-7-12 3061 Los Angeles Catalina Island Comment
  LA205329  Quercus tomentella Jonathan Sauer; D. L. Johnson 1969-5-10 4512 Los Angeles San Clemente Island, bottom of Reservoir Canyon, central E coast Comment
  RSA1252  Quercus tomentella Carl B. Wolf 1930-1-29 1455 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Canyon Comment
  SBBG95484  Quercus tomentella M. B. Dunkle 1928-11-2 2028 Los Angeles Gallagher Cyn Comment
  CAS-BOT-BC104853  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-5-10 7750 Los Angeles Liebre Mountains. Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  SEINET7143825  Quercus wislizeni Ralph R. Wilson 1941-4-18 514 Los Angeles San Dimas Experimental Forest above Glendora.; 0 914 Comment
  RSA579516  Quercus wislizeni var. frutescens Tim S. Ross, Steve D. Boyd 1994-6-23 8049 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  POM11993  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas. Sluggish brook east of Puddingstone Canyon. 366 Comment
  UCSB34480  Ranunculus aquatilis var. diffusus Cummings, Chuck 1965-4-27 Los Angeles Above Little Rock Dam 1066 Comment
  LA52187  Ranunculus californicus D. Dunn; 1941-2-22 690 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. Comment
  LA52188  Ranunculus californicus A. M. Johnson; 1928-2-16 126 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA232289  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, M. Z. Thorne 1969-7-10 38417 Los Angeles Along Mescal Creek. 2043 Comment
  UC450914  Ranunculus hebecarpus Fay A. Macfadden 1931-3-29 17 E Los Angeles Tuna Canyon Verdugo Hills 335 Comment
  LA212266  Raphanus raphanistrum subsp. sativus Elwood Fordham; 1951-3-20 s.n. Los Angeles Westwood, UCLA campus. "Faculty Hill". Comment
  RSA431471  Raphanus sativus Ella M. Kennedy 1923-2-27 s.n. Los Angeles Fields, Pasadena Comment
  SEINET10924124  Raphanus sativus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2520 Los Angeles City of Pasadena. How's Market, 3035 Huntington Drive. Comment
  SEINET9119079  Raphanus sativus E. Adams 1978-1 S.N. Los Angeles Altadena, Eaton Canyon. Grassy hillside. Comment
  SEINET6701974 Image available Rhamnus californica Ira W. Clokey 1929-4-1 4442 Los Angeles Western Transverse Range; Santa Monica Mtns.; Mandeville Canyon 200 Comment
  CAS-BOT-BC133204  Rhamnus californica subsp. californica A. C. Sanders; T. B. Salvato 2009-5-21 36897 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CDA12034  Rhamnus californica subsp. californica A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  JEPS41980  Rhamnus californica subsp. californica Frank W. Peirson 1918-6-28 108 Los Angeles Rubio Canyon San Gabriel Mts. 579 Comment
  RSA592143  Rhamnus crocea Louis C. Wheeler 1967-4-30 9202 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch 366 Comment
  UC450790  Rhamnus crocea Fay A. MacFadden 1931-3-10 3057 Los Angeles Tuna Canyon Verdugo Hills Comment
  CAS-BOT-BC55997  Rhamnus ilicifolia Le Roy Abrams 1899-3-30 289 Los Angeles Santa Monica Mts. Comment
  IRVC28582  Rhamnus ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25165 Los Angeles 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 NE end of Santa Susana Mtns. 305 Comment
  UC55328  Rhamnus ilicifolia J. H. Barber 1898-8-6 Los Angeles Malibu Comment
  UCR119287  Rhamnus ilicifolia A. C. Sanders, D. Malueg 1998-6-22 22050 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCSB4035  Rhamnus ilicifolia Haller, Norman 1953-3-5 Los Angeles Faculty Hill, U.C.L.A. Comment
  LA32122  Rhamnus tomentella subsp. tomentella Peter H. Raven; 1959-10-18 14679 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy 2.9 mi E of Decker Rd. 662 Comment
  CAS-BOT-BC168138  Rhus aromatica W. R. Dudley; F. H. Lamb 1896-6-9 4412 Los Angeles Elizabeth Lake [Canon] Canyon, Liebre Mountains Comment
  LA209579  Rhus integrifolia Tom O'Donnell; 1953-5-14 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 10 mi. N of U.S. 101 on Hwy 27. Comment
  UC17930  Rhus integrifolia Blanche Trask Jan. 1896 Los Angeles Santa Catalina Island, Avalon Comment
  UC1870257  Rhus integrifolia LeRoy Gross 2003-3-7 778 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. A short distance east from Lat., Long., 34° 15' 12.2'' N, 118° 19' 16.8''W. 518 Comment
  RSA0014725  Rhus integrifolia Laura Moore 1999-4-10 10 Los Angeles Pitzer College, Claremont. Southeastern corner of Outback, about 5 yards from eastern border with Claremont Boulevard. 351 Comment
  UCR139926  Rhus laurina Scott D. White 1997-5-15 5152 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  RSA0083301  Rhus ovata R. G. Swinney 2010-5-25 12961 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UC1130579  Rhus ovata Jerome S. Horton 1935-7-18 226 Los Angeles Divide between e fork San Dimas and San Gabriel Canyons (1 mi w of 4350 Climate Staion 35) 1310 Comment
  RSA774271  Rhus trilobata R. G. Swinney 2009-6-8 11094 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA584035  Rhus trilobata var. quinata T. S. Ross, Steve D. Boyd 1991-4-25 4575 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  CAS-BOT-BC92286  Ribes amarum Ellsworth Bethel 1920-6-29 s.n. Los Angeles Orchard Camp. Mount Wilson trail. Comment
  CAS-BOT-BC92304  Ribes amarum C. S. Morris 1908-4-23 s.n. Los Angeles Arroyo Seco Canon [Canyon] near Pasadena. 609 Comment
  RSA222221  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles Arroyo Seco. 457 Comment
  RSA85320  Ribes amarum F. W. Peirson 1919-4-5 316 Los Angeles Mt. Wilson Toll Road, S side of San Gabriel Mts 1067 Comment
  UCR24391  Ribes amarum John C. Roos 1942-4-18 1085 Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon Comment
  RSA755861  Ribes aureum R. G. Swinney 2009-1-19 9993 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  RSA669712  Ribes aureum var. gracillimum LeRoy Gross 2002-2-23 479 Los Angeles Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. & Beaudry Terrace. 366 Comment
  CAS-BOT-BC93100  Ribes californicum var. hesperium Ellsworth Bethel 1920-6-29 s.n. Los Angeles Orchard Camp on Mount Wilson Trail. Comment
  RSA679142  Ribes californicum var. hesperium Valerie L. Soza, Bill Hogshead 2002-5-10 1462 a Los Angeles Along Upper Monroe Road, approximately 6.1 km NNW of Glendora Mountain Road, upper Venedo Canyon 854 Comment
  UCR178775  Ribes californicum var. hesperium R. G. Swinney 1969-1-12 302 Los Angeles San Gabriel Mtns., Big Dalton Canyon Comment
  RSA229071  Ribes cereum Robert F. Thorne 1969-7-29 38904 Los Angeles San Gabriel Mts., Hunt Canyon 3 mi E of Vincent 2332 Comment
  CHSC8457  Ribes indecorum Edward Laidlaw Smith 1958-2-18 319 Los Angeles Cobal Canyon. San Gabriel Mt. Range. Cobal Creek drainage area. 609 Comment
  UC921817  Ribes indecorum Louis C. Wheeler 1932-2-28 450 Los Angeles near Claremont (Thompson Creek Dam); Thompson Creek 502 Comment
  RSA0025039  Ribes indecorum K. Steddom 1994-4-10 1 Los Angeles USFS trail 7W12 Baldy Tr. 1600 Comment
  CAS-BOT-BC173410  Ribes malvaceum Joseph Andorfer Ewan 1932-1-3 7014 Los Angeles Head of Nichols Canyon, Santa Monica Mts. Comment
  UC1018201  Ribes malvaceum J. Warren 1952-3-15 222 Los Angeles Mt. Baldy 914 Comment
  RSA0095260  Ribes malvaceum var. viridifolium R. G. Swinney 2011-5-6 14592 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA441487  Ribes malvaceum var. viridifolium Ora M. Clark 1929-1-27 1485 Los Angeles North Hollywood Comment
  RSA651624  Ribes malvaceum var. viridifolium Harold Lint 1955-3-29 s.n. Los Angeles Glendora Mt. Road. above San Gabriel Reservoir. Comment
  RSA0021939  Ribes montigenum Robert F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41074 Los Angeles San Gabriel Mountains, Angeles National Forest: saddle ridge between West Baldy and Old Baldy. 3003 Comment
  RSA729857  Ribes nevadense R. G. Swinney 1999-5-22 7206 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  LA205493  Ribes roezlii Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  LA50724  Ribes speciosum W. O. Griesel; March 1936 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA256964  Ribes speciosum Gary D. Wallace 1966-3-18 151 Los Angeles Highway 23, S of Lake Elanor, Santa Monica Mountains. 305 Comment
  SFV21002  Ribes speciosum L. Gross 2003-3-9 799 Los Angeles San Rafael Hills Southwest side of San Rafael Hills, at or near top of east-west trending ridge southwest of Flint Peak. Entered at west end at Mount Carmel Drive east of Highway 2 (Glendale Freeway) between Chevy Chase Drive (Sycamore Canyon) to the north and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  UCR197176  Ribes speciosum Valerie Soza, LeRoy Gross 2001-5-9 1207 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 297 Comment
  UCD65153  Ribes viburnifolium G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7756 Los Angeles CATALINA ISLAND: Salta Verde, slopes W of Cactus Peak. 300 Comment
  RSA0073372  Ricinus communis R. G. Swinney 2010-3-16 11957 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
  RSA577358  Ricinus communis L. C. Wheeler 1936-6-6 4114 Los Angeles San Dimas Canyon, 1/4 mi. below west fork. 426 Comment
  RSA0077548  Ricinus communis G. Wallace 1964-5-6 s.n. Los Angeles San Gabriel River by Hwy. 66. Comment
  CLARK-A1703-77  Romneya trichocalyx Art Whistler 1966-5-1 660501-4 Los Angeles Comment
  OBI53678  Rosa californica Susan Barth, Steven Korenstein 1994-4-7 39 Los Angeles Santa Susana Mts. Northridge, Aliso Cyn off Sesnon 800m from trl head just before the first loop on E side 130 Comment
  RSA579346  Rosa californica Tim S. Ross, Steve D. Boyd 1994-9-20 8272 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. 934 Comment
  CAS-BOT-BC158820  Rubus ursinus Timothy S. Ross 1992-5-24 6407 Los Angeles Lower Brown's Gulch, just W of the San Gabriel Dam, San Gabriel Mountains 463 Comment
  RSA594638  Rubus ursinus Steve D. Boyd, Lauren Raz 1996-10-29 9117 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1402 Comment
  SD239869  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36912 Los Angeles Asan Gabriel Valley; south El Monte, north side of San Gabriel River between Peck Road and Hwy 60, adjacent to storage facility under SCE power lines (El Monte 7.5'Q) 73 Comment
  CATA1133  Rumex conglomeratus Mark L. Hoefs 1995-5-23 2122 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  LA30873  Rumex crispus Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 147 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA595691  Rumex hymenosepalus Louis C. Wheeler 1970-3-28 s.n. Los Angeles San Gabriel Mountains. Bootleggers Canyon. 793 Comment
  UCLA55091  Salazaria mexicana A. Handschiegl 1925-5-17 Los Angeles Little Rock Creek Comment
  UC851292  Salicornia subterminalis L. W. Nuttall 1920-5-16 223 Los Angeles Santa Catalina Island Comment
  UCR272747  Salicornia virginica M. B. Dunkle 1939-4-7 7330 Los Angeles San Clemente Island, Pyramid Cove 91 Comment
  RSA478892  Salicornia virginica R. F. Folger 1929-11 s.n. Los Angeles Playa del Rey. Comment
  CAS-BOT-BC108066  Salix exigua Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East fork of Alder Creek off Big Tujunga 1493 Comment
  RSA524174  Salix exigua Tim S. Ross, Steve D. Boyd 1990-6-6 2873 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA602479  Salix exigua Scott D. White 1997-5-8 5093 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA598581  Salix laevigata Louis C. Wheeler 1967-5-24 9715 Los Angeles San Gabriel Mountains. Indian Canyon 'Campground' 823 Comment
  UC492429  Salix lasiandra subsp. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles ca. 11 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  LA208790  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-10 7651 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  POM362704  Salix lasiolepis Robert Gustafson 1981-4-14 2187 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA167828  Salix lasiolepis Robert F. Thorne, Percy C. Everett 1964-2-7 33489 Los Angeles Santa Catalina Island. Upper end of lake, Middle Canyon Ranch. 198 Comment
  RSA754428  Salix lasiolepis Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1846 Los Angeles San Gabriel River Watershed; Sandbar next to river 446 Comment
  RSA776516  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 b Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  UC1234783  Salix lasiolepis Peter H. Raven 1962-5-20 17801 Los Angeles about opposite ranch in Middle Canyon Bullrush Canyon; Santa Catalina Isl., Bullrush Canyon 213 Comment
  UC492414  Salix lasiolepis Carl W. Sharsmith 1932-1-17 7 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  UCR150461  Salix lasiolepis R. G. Swinney 1999-6-21 7356 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR190756  Salix lasiolepis R. G. Swinney 1999-6-30 7484 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR258566  Salix lasiolepis R. G. Swinney 2010-5-29 13007 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCSB965  Salix lasiolepis Beach, Kay 1943-4-28 Los Angeles Falls on 4100 north trail; San Dimas Exp. Forest Comment
  CAS-BOT-BC107526  Salix lasiolepis var. lasiolepis Marcus E. Jones 1882-11-25 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC107533  Salix lasiolepis var. lasiolepis Alice Eastwood Aug. 18 s.n. Los Angeles Antelope Valley Comment
  CAS-BOT-BC128483  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
  CDA21286  Salsola australis J. Lanham, K. Gunderman 2007-11-11 JL- 01 Los Angeles Channel Islands; Catalina Island, Salta Verde area. 304 Comment
  LA30493  Salsola tragus Jane Turner; T. Mosquin 1958-11-16 C- 52 Los Angeles Comment
  POM294055  Salsola tragus Lyman Benson 1945-10-22 11898 Los Angeles Pacific Slope drainage area. 335 Comment
  UCR62348  Saltugilia australis Jeri Hirshberg, Theo Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  UCR203244  Saltugilia splendens subsp. grantii R. G. Swinney 2005-7-11 8296 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
  SBBG58389  Saltugilia splendens subsp. splendens R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA0095001  Saltugilia splendens subsp. splendens Orlando Mistretta 1993-6-28 897 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  RSA756963  Saltugilia splendens subsp. splendens Orlando Mistretta, Christine Mistretta 2008-4-14 2448 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  RSA424351  Salvia apiana William Emboden 1970-6-12 17 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC519731  Salvia apiana Joseph Andorfer Ewan 1932-5-10 7464 Los Angeles w rim Verdugo Canyon Comment
  UCSB69527  Salvia apiana Gross, LeRoy 2001-5-31 Los Angeles Los Angeles Basin; Verdugo Mountains Region, Southeast side; Dead Horse Canyon; Collected on ridge north of this canyon 457 Comment
  UCSB9279  Salvia apiana McElwain, Isabelle 1953-4-4 Los Angeles 18000 Bull Canyon Rd; Granada Hills 457 Comment
  RSA401462B  Salvia columbariae Mary H. Ward 1973-4-11 159 -b Los Angeles Roadside near Palmdale Comment
  RSA648743  Salvia columbariae Kelly Middleton, David Middleton 1988-5-8 21 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Rd. intersection 1220 Comment
  SFV16166  Salvia columbariae P. A. Krueger 1994-5-18 34 Los Angeles San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  UCR282015  Salvia columbariae R. G. Swinney 2014-5-8 16464 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  SEINET13947351 Image available Salvia columbariae Martha P. Creighton 1952-1 286 Los Angeles Llano; 3300 ft alt. 1006 Comment
  LA69668  Salvia dorrii var. pilosa Carl Epling; L. Ellison 1930-4-17 sn Los Angeles Palmdale Comment
  UCLA69889  Salvia dorrii var. pilosa C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  UCR170629  Salvia leucantha Alex R. Van Dam 2004-5-16 012 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
  RSA651054  Salvia leucantha Jerry Davis 1949-12-31 s.n. Los Angeles 3rd St., La Verne. 305 Comment
  RSA580140  Salvia mellifera Tim S. Ross, Darin Banks 1994-4-12 7503 Los Angeles San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Canyon from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon. 634 Comment
  RSA656386  Salvia mellifera Gerald Pitto 1980-5-26 21 Los Angeles Verdugo Mountains: South facing slope at top of Boston [Ave.] on canyon floor of Cooks Canyon, nearest cross street Barrit [Burritt] Way, La Crescenta 610 Comment
  SD82930  Salvia mellifera Gary D. Cromwell, David W. Wheat 1971-4-16 520 Los Angeles Mystic Canyon, Angeles National Forest, 2.0 miles northeast of Glendora. 395 Comment
  SEINET4044582  Salvia mellifera D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 350 Comment
  UCR111507  Salvia mellifera A. C. Sanders, D. Malueg 1998-6-22 22029 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR220952  Salvia mellifera Dan S. Cooper 2010-3-22 20100322- 12 B Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA477519  Sambucus caerulea Anonymous 1906-6-6 1501 Los Angeles Big Rock Creek. 1524 Comment
  CAS-BOT-BC238713  Sambucus nigra subsp. caerulea Rimo Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak Flat Public Camp, Angeles National Forest, just off U.S. 99 853 Comment
  CATA2904  Sambucus nigra subsp. caerulea Sara L. Crockett, Michael Daligdig 1996-10-21 10 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  RSA0087239  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-28 12383 Los Angeles 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
  SD52887  Sambucus nigra subsp. caerulea Peter H. Raven 1962-5-9 17697 Los Angeles San Clemente Island, on floor of canyon just north of Gray 299 Comment
  UCR271986  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-31 14912 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
  SBBG128311  Sanicula arguta M. L. Hoefs 1991-4-18 1116 Los Angeles rd above Parson's Landing 129 Comment
  UCD127916  Sanicula arguta Daryl Koutnik 1978-4-14 365 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  RSA97353  Sanicula arguta F. W. Peirson 1919-3-27 336 Los Angeles Foot of trail to Lukens Peak 609 Comment
  SBBG119435  Sanicula bipinnata S. D. White with S. Leatherman, D. Bramlet, A. Oneal, W. Sangkatavat 2001-4-24 8407 Los Angeles Grasshopper Cyn area near Castaic Lake 518 Comment
  UCR282224  Sanicula bipinnata Dan S. Cooper 2016-3-31 316- 15 Los Angeles Western Transverse Range; Santa Monica Mtns., Los Angeles, Griffith Park, north-facing east of Fern Canyon 197 Comment
  UCR182685  Sanicula crassicaulis R. G. Swinney 1998-4-13 5952 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR230260  Sanicula crassicaulis Dan S. Cooper 2011-4-14 411- 15 Los Angeles Ernest E. Debs Regional Park, Montecito Heights, SW of South Pasadena between the Pasadena Fwy (111) and the Huntington Fwy (66) 166 Comment
  RSA471459  Sanicula crassicaulis L. C. Wheeler 1931-4-10 S- 43 Los Angeles East end of San Jose Hills at Pomona. 305 Comment
  RSA97365  Sanicula crassicaulis F. W. Peirson 1919-5-18 431 Los Angeles South face of San Gabriel Mountains, Monrovia Canyon. Comment
  SBBG113103  Sanicula crassicaulis S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 612 Los Angeles W side of Middle Ranch Cyn Rd, across from pump house, ca. 0.7 mi from intersection with Airport Rd 320 Comment
  UC1006680  Sanicula crassicaulis C. Ritchie Bell 1953-2-23 3 X485 Los Angeles across ridge from Sepulveda Canyon ( opposite Valley Meadow Road) Comment
  RSA97372  Sanicula tuberosa F. W. Peirson 1920-6-10 2796 Los Angeles below Inspiration Point, Mt. Lowe 1341 Comment
  UCR202522  Sarcodes sanguinea R. G. Swinney 2001-8-9 8010 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  SEINET3158952  Sarcostemma cynanchoides var. hartwegii G. B. Grant 972 Los Angeles Covina Comment
  RSA777430  Schedonorus arundinaceus R. G. Swinney 2009-5-27 10857 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA640282  Schismus arabicus R. F. Thorne 1971-5-18 41363 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  SBBG112873  Schismus arabicus S. A. Junak 1998-3-21 SCa 495 Los Angeles ridge on W side of Cape Cyn, SSW of Black Jack Pk 374 Comment
  RSA0042311  Schismus arabicus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3118 Los Angeles Santa Catalina Island: Near road above Empire Landing. 137 Comment
  UCR126619  Schoenoplectus acutus var. occidentalis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27140 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  CAS-BOT-BC111516  Schoenoplectus americanus Ellsworth Bethel 1932-9-16 s.n. Los Angeles Bryant Ranch 200 ft E of State Highway at south boundary of 1.62 acre tract. 3 Comment
  UCD145369  Schoenoplectus californicus Louis C. Wheeler 1946-7-28 6221 Los Angeles San Gabriel; Rio Hondo, 1/4 mile north of San Gabriel Boulevard. Comment
  RSA92164  Scirpus acutus var. occidentalis F. W. Peirson 1918-4-28 1611 Los Angeles Southeast of El Monte. Comment
  RSA0094179  Scirpus microcarpus R. G. Swinney 2011-10-13 15798 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  UCR189858  Scirpus microcarpus R. G. Swinney 1998-7-10 6412 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  RSA0116794  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCSB22996  Scrophularia californica Jensen, Karen 1965-4-10 Los Angeles Hills 1 mile south southwest of Flint Pk., Verdugo Hills. 365 Comment
  RSA156034  Scrophularia villosa Peter H. Raven 1962-5-22 17831 Los Angeles Santa Catalina Island, first canyon west of Lions Head Point. Comment
  RSA427196  Scrophularia villosa Blanche Trask 1901-03 3473 Los Angeles Avalon, Santa Catalina Island. Comment
  SD239808  Scutellaria siphocampyloides R. G. Swinney 2009-7-23 11395 Los Angeles Transverse Range; San Gabriel Mountains: Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy (Chilao Flat 7.5'Q) 1720 Comment
  SFV8254  Scutellaria siphocampyloides T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1611 Los Angeles San Gabriel Mountains Chilao Flat. 1585 Comment
  UC1043439  Scutellaria siphocampyloides Richard M. Straw 1954-6-16 618 Los Angeles Horse Flats Road, off Angeles Crest Hwy Horse Flats Road; San Gabriel Mountains, Horse Flats Road Comment
  UCD125683  Scutellaria siphocampyloides Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 954 Los Angeles Mill Creek Picnic Ground on Angeles Crest Highway. North of La Canada. 1097 Comment
  CAS-BOT-BC62044  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena Comment
  POM243884  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena. Comment
  SBBG98664  Selaginella bigelovii T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5196 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  UC557632  Selaginella bigelovii Nell Murbarger Mar 1936 42 Los Angeles San Clemente Island Comment
  RSA472936  Senecio flaccidus var. douglasii Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  RSA596708  Senecio flaccidus var. douglasii Steve Boyd, Lauren Raz 1996-9-24 8924 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
  CAS-BOT-BC341213  Senecio lyonii unspecified 1904-4-21 6134 Los Angeles Only Catalina & San Clemente Isls. Comment
  CATA2794  Senecio lyonii Wheeler Apr 1904 6134 Los Angeles Santa Catalina Island 0 Comment
  RSA473044  Senecio lyonii F. H. Elmore 1939-11-26 s.n. Los Angeles Wilsons Cove, San Clemente Island. Comment
  SBBG132070  Senecio lyonii S. A. Junak, B. Collins 1991-4-25 SCI 221 Los Angeles Thirst Cyn, S of rd to SHOBA, REWS ("Pole" on map) 493 Comment
  UCR219554  Senecio vulgaris R. G. Swinney 2009-3-28 10215 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
  UCD135865  Senecio vulgaris Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains, Ridge east of Ham Canyon. 754 Comment
  UCSB41662  Senecio vulgaris Warren, Linette 1982-4-17 Los Angeles 900 feet up dirt road off Browns Canyon Road; 0.5 miles north of its junction with Simi Valley Fwy.; Browns Canyon; Chatsworth 365 Comment
  RSA761774  Setaria parviflora R. G. Swinney 2008-11-29 9847 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR172292  Setaria viridis Anuja Parikh, Nathan Gale 2005-7-11 2138 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCR18379  Setaria viridis O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  UC519999  Sherardia arvensis Louis C. Wheeler 1933-5-15 1914 Los Angeles San Gabriel 106 Comment
  CATA2984  Sibara filifolia Peter J. Dixon 2015-2-25 016 Los Angeles Santa Catalina Island: Wild Boar Gully. Mid-slope population, 153 SW of gate, 26 downslope (south) of ridge. 260 Comment
  RSA433863  Sidalcea malviflora M. Campbell 1931 Los Angeles Los Angeles. Comment
  UC18936  Sidalcea neomexicana unknown June 1892 Los Angeles Santa Monica Comment
Read comments
Dec 24 2007
  SEINET11944363  Silene gallica J. A. Ewan 1932-1 7467 Los Angeles Verdugo Canyon at Colina drive Upper Sonoran Zone Comment
  UCSB1878  Silene gallica H., J. 1935-4-24 Los Angeles San Dimas Exp. Forest; Wolfskill watershed; trail to East Fork Flume; sec. 14, T 1N, R 8W 609 Comment
  CHSC34419  Silene laciniata subsp. laciniata Philip A. Silverstone 1978-7-23 261 Los Angeles Santa Monica Mountains; jtn Kanan Dume Rd. and Latigo Canyon Rd., 16.6 km inland from jtn Latigo Canyon Rd. and State 1; W side Latigo Canyon Rd. Comment
  SFV21408  Silene laciniata subsp. laciniata L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1047 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  UC535498  Silene laciniata subsp. major Ira W. Clokey, B. Templeton May 1929 4544 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 500 Comment
  RSA477925  Silene laciniata subsp. major Kenneth R. Montgomery, Thomas W. Strid 1973-6-18 73 -164 B Los Angeles San Gabriel Mountains: Dillon Divide, site of LASCA Cistus field plot. Comment
  RSA479535  Silene verecunda subsp. platyota Steve Boyd, Laura Kopase 1987-6-8 2075 Los Angeles 5 miles WNW of Wrightwood in Cedar Canyon near jct. w/ Mescal Creek. 1524 Comment
  RSA590870  Sisymbrium altissimum Orlando Mistretta 1994-4-12 999 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  UCR205242  Sisymbrium altissimum R. G. Swinney 2005-8-11 8448 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  POM184700  Sisymbrium altissimum Joseph A. Ewan 1932-5-29 7189 Los Angeles Arrastre Canyon, at end of auto road 1189 Comment
  RSA747878  Sisymbrium irio Justin M. Wood 2009-3-6 338 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  RSA428429  Sisymbrium irio Ida Lou Sayler 1942-4-19 s.n. Los Angeles Vacant lot, San Marino Comment
  PASA2080  Sisymbrium pinnatum A. Carter 1929-1-10 Los Angeles Base of Sierra Madre Mts. Comment
  LA24003  Sisyrinchium bellum Louis Wheeler; 1932-3-23 517 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. Comment
  RSA366938  Sisyrinchium bellum Geo L. Moxley 1917-4-15 s.n. Los Angeles Eagle Rock. Comment
  UCR19534  Smilacina stellata Aloys Nicholson 1933-5-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Canyon Comment
  JEPS62154  Smilacina stellata Frank W. Peirson 1920-9-14 1682 Los Angeles Coldwater Cienega San Gabriel Mountains 2133 Comment
  RSA381587  Solanum americanum Steven A. Junak 1981-7-31 SCL- 45 Los Angeles San Clemente Island. Sand dunes at northwest end of Island, Northeast of Benchmark 199. 30 Comment
  NY759478  Solanum douglasii T. S. Ross 1991-2-23 4110 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Canyon Rd x Skyline Drive. 299 Comment
  RSA592474  Solanum douglasii Mark Hoefs 1973-3-13 65 Los Angeles Santa Catalina Island: in upper Avalon Canyon, east of cactus area. 183 Comment
  SD114439  Solanum douglasii Darley F. Howe 1915-4-1 50 Los Angeles Claremont Comment
  UCR282134  Solanum douglasii R. G. Swinney 2014-5-15 16529 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  SDSU17725  Solanum douglasii S. H. Bullock 1968-4-6 66 Los Angeles Claremont, Blanchard Park, Mills Ave. between First and Sixth Streets. 351 Comment
  UC472142  Solanum douglasii J. Ewan 1930-3-8 3715 Los Angeles Verdugo Range, Southard Peak Trail Southard Peak Trail; Verdugo Range, Southard Peak Trail Comment
  RSA450609  Solanum nigrum A. C. Sanders 1987-12-4 7574 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA783658  Solanum nigrum J. D. Olmsted 1958-3-11 48 Los Angeles Pomona College campus, [city of] Claremont, near eastern boundary of Los Angeles County. Gradual southward drainage along San Antonio Creek in Blanchard Park. 366 Comment
  UCR18354  Solanum nigrum O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  RSA579488  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1994-5-10 7718 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA652012  Solanum umbelliferum Thomas Seerley 1948-2-14 s.n. Los Angeles Mouth of Dalton Canyon, Glendora. 305 Comment
  RSA658835  Solanum umbelliferum J. S. Burns 1992-5-11 20 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  RSA647973  Solanum umbelliferum Michelle Manolovitz, Brian Manolovitz 1992-5-12 21 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 500 feet north of park office. Comment
  UC1408947  Solanum umbelliferum Donald R. Bissing 1973-5-18 98 Los Angeles Evey Canyon, 1.1 mi from canyon mouth Evey Canyon; San Gabriel Mountains, Evey Canyon 902 Comment
  UCR247499  Solanum viarum Frank McDonough 2006-9-20 s.n. Los Angeles Anonymous 'gift' to L.A. Arboretum, Oxford Road, San Marino 200 Comment
  POM69513  Solanum wallacei George B. Grant, Walter Wheeler 1904-04 6141 Los Angeles Santa Catalina Island. Comment
  RSA582969  Solanum wallacei Tim S. Ross, Takara 1993-4-23 6937 a Los Angeles Santa Catalina Island. SW part of the island in Cape Canyon, just above bed of canyon near roadside. 256 Comment
  UCR155698  Solanum xanti A. C. Sanders, T. B. Salvato 2005-4-26 29710 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
  SEINET12274871  Solanum xanti E. A. Purer 1935-1 6544 Los Angeles Malibou Road, Santa Monica Mts Comment
  SEINET7262095 Image available Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-8 1045 Los Angeles San Francisquito Canyon; San Gabriel Mountains Comment
  UCR127165  Solidago californica A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26272 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
  SBBG63001  Solidago confinis R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  CLARK-A1528-2102  Soliva sessilis Alfred R. Roos 1958-5-16 Los Angeles Comment
  UCSB37381  Soliva sessilis Roos, Alfred 1958-5-16 Los Angeles Lawn of the Ambassador Hotel, Wilshire Blvd., Los Angeles Comment
  SBBG83259  Sonchus asper M. Daily 1986-4-7 SCa-t- 6 Los Angeles Bird Rock Comment
  UCR222775  Sonchus asper R. G. Swinney 2009-5-6 10691 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA526627  Sonchus asper Steve Boyd, Laurel Arnseth 1990-4-7 4197 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA383724  Sparganium erectum subsp. stoloniferum I. M. Johnston 1917-6-10 1310 Los Angeles Cienega , West of Los Angeles. Comment
  RSA611258  Sparganium erectum subsp. stoloniferum L. C. Wheeler 1946-9-22 6375 Los Angeles Rosemead Blvd. & San Gabriel Blvd. Comment
  CATA3160  Spartium junceum Margie Pfeffer, Schylar Gholson 2016-6-8 1 Los Angeles Santa Catalina Island: West side of Country Club Drive in Avalon, across from Catalina Canyon Resort & Spa, north of Cemetery Road 56 Comment
  RSA0086913  Spartium junceum R. G. Swinney 2010-3-30 12107 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0105022  Spartium junceum R. G. Swinney 2011-6-22 15272 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder. 1659 Comment
  LA200357  Spergula arvensis Jonathan Sauer; J. Leishman 1978-4-18 5995 Los Angeles Santa Monica Mountains, Topanga Canyon State Park Comment
  LA82446  Spergula arvensis O. H. Kappler; Los Angeles San Gabriel Mountains, Foothills, West Los Angeles 91 Comment
  RSA602077  Spergula arvensis L. C. Wheeler 1946-7-9 6220 Los Angeles San Gabriel: Garibaldi Avenue and San Gabriel Boulevard. Comment
  SEINET3260403 Image available Spergularia A. C. Sanders, Mark Elvin; Cathleen Weigand 2002-7-30 25482 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals. 335 Comment
  SBBG128558  Spergularia bocconi M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-21 2298 Los Angeles upper Bulrush Cyn 286 Comment
  SBBG132067  Spergularia bocconi S. A. Junak, B. Collins 1991-4-25 SCI 223 Los Angeles E side of island, along rd to Camera Pad "Boulder", N of Thirst Cyn 585 Comment
  SBBG14237  Spergularia bocconi M. A. Piehl 1962-6-9 62373 Los Angeles Thirst 597 Comment
  RSA232821  Spergularia macrotheca R. F. Thorne 1966-4-15 36019 Los Angeles San Clemente Island, 0.5 mile SSE of Eel Point, SW side of island 0 Comment
  SBBG37757  Spergularia macrotheca var. macrotheca R. Moran 1931-3-2 664 Los Angeles N side of rocks, at point between Wilson's and Howlands 10 Comment
  SFV16236  Spergularia macrotheca var. macrotheca J. D. Dilley 1996-4-13 62 Los Angeles California Channel Islands Santa Catalina Island. Wrigley Marine Research Center, near Twin Harbors. Comment
  RSA0098604  Spergularia marina Anstruther Davidson 1890-4-6 s.n. Los Angeles San Pedro. Comment
  SBBG112924  Spergularia marina S. A. Junak with M. L. Hoefs, K. Kirkland 1998-10-22 SCa 824 Los Angeles Cherry Cove at salina near mouth of cyn 3 Comment
  CATA2910  Sphaeropteris cooperi Sara L. Crockett 1997-3-7 88 Los Angeles Santa Catalina Island: Across from 337A Clemente Street 24 Comment
  RSA483227  Sporobolus airoides Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  LA82036  Stachys bullata O. H. Kappler; 1940-6-9 49 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA446650  Stachys bullata Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 350 Comment
  CAS-BOT-BC60962  Stanleya pinnata var. pinnata Timothy S. Ross; Steve Boyd 1990-5-29 2713 Los Angeles San Gabriel Mountains. Big Rock Springs. Immediate vicinity of Big Rock Creek where crossed by Big Pines Highway. 1194 Comment
  SBBG131929  Stebbinsoseris heterocarpa S. A. Junak 2000-5-19 SCa 1325 Los Angeles first ridge W of Twin Rocks, above Goat Harbor Beach, at end of rd 289 Comment
  SD253428  Stellaria media R. G. Swinney 2011-3-26 13224 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. 476 Comment
  UCR189817  Stephanomeria R. G. Swinney 1998-9-4 6891 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  RSA0039574  Stephanomeria cichoriacea R. G. Swinney 1997-8-19 5823 Los Angeles San Antonio Peak (=Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  SBBG17792  Stephanomeria diegensis P. H. Raven 1962-7-11 18015 Los Angeles Wilson Cove 60 Comment
  SBBG42300  Stephanomeria diegensis M. B. Dunkle 1939-11-24 7354 Los Angeles rim abo