Search Results — 2000 specimen records retrieved (1579 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC57520  Abronia maritima J. H. Barber 1897-1-23 25 Los Angeles Santa Monica Forestry Station Comment
  RSA518026  Abronia pogonantha Steve Boyd 1986-3-31 1572 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  CAS-BOT-BC229378  Abronia umbellata S. B. Parish; W. F. Parish 1881-10-1 802 Los Angeles Santa Monica Comment
  SBBG19133  Abronia umbellata R. Loveland 1963-12-8 Los Angeles SE of West Cove at triangulation pt Darter near Trick Pt Comment
  RSA460975  Abronia umbellata E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  UCR199951  Acacia baileyana Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1146 Los Angeles Transverse Ranges: Verdugo Mountains, upper slopes of McDonald Creek 381 Comment
  RSA627084  Acacia cyclops Scott D. White 1998-4-28 6348 Los Angeles Palos Verdes area: Slope above Portugese Bend, east of Altamira Cyn. 61 Comment
  SEINET3282743 Image available Acacia cyclops A. C. Sanders, T. B. Salvato 2009-5-19 36813 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA682649  Acacia dealbata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1037 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  CAS-BOT-BC30945  Acamptopappus sphaerocephalus Adolph Daniel Edward Elmer 1902-6-1 3621 Los Angeles Lancaster Comment
  SEINET6700431 Image available Acamptopappus sphaerocephalus H. P. Chandler, H. M. Hall 1906-6-11 7388 Los Angeles Near Lancaster 70 Comment
  SEINET3143174  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall, H. P. Chandler 1906-6-11 7388 Los Angeles Near Lancaster, in Lower Sonoran Zone of Mohave Desert 700 Comment
  CAS-BOT-BC331556  Acer macrophyllum Geo. B. Grant 1903-5-1 s.n. (Ex. 17 .) Los Angeles Mt Wilson Comment
  POM183629  Acer macrophyllum Joseph A. Ewan 1929-5-18 1254 Los Angeles Las Flores Canyon Comment
  UCR224007  Acer macrophyllum Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11695 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
  UCR256621  Acer macrophyllum R. G. Swinney 2010-8-16 13535 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SBBG127591  Acer negundo A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles Rio Hondo at Rancho Lujan, between Montebello and S El Monte, E side of San Gabriel Blvd, SE of Darlington St intersection 61 Comment
  UCD55550  Achnatherum occidentale Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: spring on north side of Blue Ridge by Guffy Camp. Comment
  UC891061  Achyrachaena mollis Marcus E. Jones, A. M. 1882-5-1 3213 Los Angeles Los Angeles Comment
  SD212604  Acmispon americanus Jennifer H. Jones 2006-6-4 376 Los Angeles Foothills of San Gabriel Mountains, southwest of Claremont Wilderness Park near the west end of Pomello Drive. 476 Comment
  SD48947  Acmispon argophyllus var. argenteus Reid Moran 1958-9-15 6842 Los Angeles San Clemente Island, Wilson Cove, top of sea cliff 10 Comment
  SDSU19672  Acmispon argophyllus var. argenteus Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 B Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  CATA1463  Acmispon dendroideus var. dendroideus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2648 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  SD234952  Acmispon maritimus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26135 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Re., near Castaic Lake dam. 487 Comment
  RSA0013590  Acmispon nevadensis var. davidsonii Orlando Mistretta, Christine Mistretta 2011-7-1 5789 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA471677  Acourtia microcephala F. R. Fosberg 1931-5-18 s 4905 Los Angeles Santa Catalina Island, Cottonwood Canyon 60 Comment
  UCR280772  Acourtia microcephala R. G. Swinney 2014-5-19 16585 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA94811  Acourtia microcephala F. W. Peirson 1921-7-1 2768 Los Angeles Mint Canyon at northwest part of San Gabriel Mts. 473 Comment
  LA52119  Adenostoma fasciculatum A. M. Johnson; 1932-5-14 4062 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA0080975  Adenostoma fasciculatum R. G. Swinney 2010-4-28 12413 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA657350  Adenostoma fasciculatum J. Stephens 1980-6-1 33 Los Angeles Verdugo Mountains Region: At foot of chaparral covered hillside, northeast of Maurice Ave., La Crescenta. 747 Comment
  UC1584250  Adenostoma fasciculatum Tim Ross and Steve Boyd 1990-6-6 2828 Los Angeles Green Valley Pasture in San Francisquito Canyon; Lake Hughes U.S.G.S. 7.5' Quad., , Gr 926 Comment
  RSA580982  Adenostoma fasciculatum var. fasciculatum Catherine A. Mish 1995-3-4 13 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  RSA582795  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, Steve D. Boyd 1993-5-23 7296 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  RSA660803  Adenostoma fasciculatum var. fasciculatum Gerald Braden 1988-5-22 31 Los Angeles Strawberry Peak. Comment
  UCR270471  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-7-7 15422 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UC185222  Adiantum capillus-veneris Geo. B. Grant 1904-6-17 24 Los Angeles Arroyo Seco Canyon Comment
  RSA190970  Adiantum capillus-veneris R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-19 36763 Los Angeles Santa Catalina Island: lower portion of Toyon Canyon 60 Comment
  OBI34053  Adiantum jordanii Mark Schneider 1973-4-12 36 Los Angeles Vogel Flats, Big Tujunga Canyon 792 Comment
  SFV19103  Adolphia californica P. Saadat 1999-5-16 5 Los Angeles Santa Monica Mountains Topanga State Park. Between Rustic Canyon and Temescal Canyon. 365 Comment
Read comments
Jul 16 2019
  RSA0080739  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA729415  Ageratina occidentalis R. G. Swinney 1998-10-3 7017 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 2012 Comment
  RSA710600  Agoseris retrorsa R. K. Brummitt 1998-5-24 20016 Los Angeles San Gabriel Mountains, Cow Canyon, Glendora Ridge Road 1300 Comment
  RSA0077386  Agrostis exarata Orlando Mistretta 1992-8-20 s.n. Los Angeles San Gabriel Mts. region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. By old ruin. Comment
  RSA0127705  Agrostis exarata Louis C. Wheeler 1967-7-18 10102 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA384940  Agrostis stolonifera Anstruther Davidson 1917-06 3256 Los Angeles Los Angeles. 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
  UCR98749  Allium fimbriatum var. fimbriatum T. S. Ross, Steve Boyd 1990-6-18 3497 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  CAS-BOT-BC471089  Allium lacunosum var. lacunosum J. Ewan 1932-6-15 7328 Los Angeles 1/2 mile above Horse Flats. Pine Flats region, 5600 ft. San Gabriel Mts 1706 Comment
  CAS-BOT-BC472941  Allium monticola H. M. Hall 1899-6-1 s.n. Los Angeles San Antonio St. 3048 Comment
  CATA1913  Allium praecox Charlie de la Rosa 2010-4-20 2 Los Angeles Santa Catalina Island: Above road to Reclamation Pond above USC Wrigley Institute 48 Comment
  UC1601946  Allium praecox George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 34 -4408 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC475410  Allium praecox Geo. B. Grant; Walter Wheeler 1904-4-21 s.n. Los Angeles Santa Catalina Island Comment
  POM1643  Allium praecox George B. Grant, Walter Wheeler 34 Los Angeles Santa Catalina Island. Comment
  UCSB753  Allium praecox H., J. 1943-4-3 Los Angeles San Dimas Exp. Forest; Way Hill, Gladstone Ave. Comment
  RSA152098  Allophyllum divaricatum Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mtns. 915 Comment
  RSA410095  Allophyllum glutinosum Wm. Martin 1971-8-5 s.n. Los Angeles Stunt Canyon, Santa Monica Mts. Comment
  UCD118002  Allophyllum glutinosum Robert F. Thorne; P. Everett 1965-6-22 34853 Los Angeles Santa Catalina Island: Renton Mine area. 243 Comment
  CHSC95781  Alnus rhombifolia LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 551 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  UC450883  Alnus rhombifolia Fay A. Macfadden 1931-4-10 2576 Los Angeles Tujunga Canyon; near stream 396 Comment
  RSA0082412  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA626225  Amaranthus albus L. C. Wheeler 1966-10-1 8949 Los Angeles San Gabriel Mountains: Colby Ranch, Coldwater Canyon. 1097 Comment
  UCR277085  Amaranthus albus R. G. Swinney 2010-10-5 13980 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  SBBG72687  Amaranthus blitoides R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR151880  Amaranthus blitum Tom Yutani 1989-4-27 s.n. Los Angeles La Mirada. Rosecrans Ave and Beach Blvd (Hwy 39), between Hwy 39 and Coyote Creek 46 Comment
  SFV6616  Amaranthus powellii T. Gordon, K. A. Wilson 1974-5-29 228 Los Angeles San Fernando Valley NW corner of Balboa and Parthenia. In recently plowed field. Comment
  CAS-BOT-BC126768  Amblyopappus pusillus A. C. Sanders; Lee Jones 2005-4-8 29361 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  HSC46406  Amblyopappus pusillus M. B. Dunkle 1939-5-28 8111 Los Angeles E side, grassy terrace, Santa Barbara Island Comment
  RSA188004  Amblyopappus pusillus R. F. Thorne, Percy C. Everett 1965-6-23 34933 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  RSA709753  Amblyopappus pusillus A. C. Sanders, Lee Jones 2005-4-8 29361 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SEINET4001595 Image available Amblyopappus pusillus M. B. Dunkle 1939-1 7268 Los Angeles China Point, San Clemente Island. Comment
  RSA755996  Ambrosia acanthicarpa R. G. Swinney 2008-10-7 9463 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  SFV21086  Ambrosia acanthicarpa L. Gross, V. Soza, N. Gilbert 2000-10-18 293 Los Angeles Verdugo Mountains Hostetter Mountainway, along roadside near above coordinates. 701 Comment
  UCD170033  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. (Near 33d 56'N, 118d 26'W). 30 Comment
  RSA188001  Ambrosia chamissonis var. chamissonis R. F. Thorne, Percy C. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  CAS-BOT-BC45014  Ambrosia psilostachya Le Roy Abrams 1902-8-18 2957 Los Angeles Ballona Creek, near Mesmer Comment
  LA91098  Ambrosia psilostachya T. A. Geissman; October 1969 TAG 101068 APMC Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Comment
  UCD150968  Ambrosia salsola D. S. Park 2010-4-27 54 Los Angeles Ranch Santa Ana Botanic Garden 375 Comment
  CAS-BOT-BC142545  Amelanchier utahensis Wesley O. Griesel 1959-5-3 s.n. Los Angeles Big Pines - San Gabriel Mtns. 1524 Comment
  RSA760602  Amelanchier utahensis R. G. Swinney 2008-8-13 9395 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  RSA187659  Ammannia coccinea Robert F. Thorne 1966-9-16 36710 Los Angeles Near Hay Press Reservoir, Santa Catalina Island. 412 Comment
  RSA629733  Amorpha californica var. californica L. C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  UCR240985  Amsinckia intermedia Dan S. Cooper 2010-3-8 20100308- 34 C Los Angeles South Coast; Los Angeles Basin, between Los Angeles River and Forest Lawn Dr., just west of Forest Lawn Cemetery and east of Warner Bros. studios 157 Comment
  RSA499933  Amsinckia intermedia Chung-Hsin Chung 1931-2-26 s.n. Los Angeles Griffith Park. Comment
  RSA499943  Amsinckia intermedia M. B. Dunkle 1939-4-4 7263 Los Angeles San Clemente Island: Chenetti Canyon. Comment
  UC1084574  Amsinckia menziesii var. menziesii Francia Chisaki, Peter M. Ray 1952-5-1 2243 Los Angeles 0.4 mi w of junction of Bouquet Canyon Road (with road to Castaic Junction in Saugus) Comment
  UCR281967  Amsinckia tessellata R. G. Swinney 2014-4-24 16232 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  UC56852  Amsinckia tessellata var. tessellata H. M. Hall 1902-4-30 3043 Los Angeles Rock Creek; Antelope Valley 1066 Comment
  SEINET3246014  Amsinckia vernicosa R. G. Swinney 2009-1 10651 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert: Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  CAS-BOT-BC46942  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles Puddingstone Canyon, San Dimas. 304 Comment
  UCR125948  Anemopsis californica A. C. Sanders, Mark Elvin 2002-6-19 25172 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  CAS-BOT-BC400327  Anemopsis californica B. W. Evermann 1915-6-7 s.n. Los Angeles Rancho La Brea Comment
  UCR150896  Anthriscus caucalis Valerie Soza, Kent Hughes 1999-6-17 531 Los Angeles Transverse Ranges; San Gabriel Mountains, Chantry Flat, off road 2N41, west of water tank 701 Comment
  SEINET12948091  Antirrhinum coulterianum E. D. Palmer 1902-1 s.n. Los Angeles Claremont. Comment
  UC76222  Antirrhinum coulterianum unknown May 1903 Los Angeles Laurel Canyon Comment
Read comments
Mar 13 2011
  JEPS83327  Antirrhinum kelloggii David M. Thompson 1983-5-13 306 Los Angeles 1.5 miles W of junction of Mulholland Hwy. and Las Virgenes Road on Mulholland Hwy. Malibu Beach Quad. (7.5', 1951) 274 Comment
  POM7698  Antirrhinum kelloggii Philip A. Munz, R. D. Harwood 1920-4-21 3683 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  POM4241  Antirrhinum multiflorum L. R. Abrams 1902-7-1 2630 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA584973  Antirrhinum multiflorum Tim S. Ross 1993-5-16 7160 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  SBBG119000  Antirrhinum multiflorum M. Honer 2004-6-22 1999 Los Angeles San Antonio Cyn, along Mt Baldy Rd between Spruce Cyn and "Hog Back"; T2N R8W S36 854 Comment
  SFV16678  Antirrhinum multiflorum P. Wilson, J. M. Albert 1996-6-12 3446 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  RSA712213  Antirrhinum multiflorum Andrea Warniment, J. Pareti 2005-6-13 ADW- 7 Los Angeles Victoria Debris Basin. 415 Comment
  SBBG117034  Antirrhinum nuttallianum subsp. subsessile S. A. Junak 2001-5-5 SCa 1502 Los Angeles W side of Middle Ranch Cyn, near Middle Cyn Rd, ca. 1.4 mi from intersection with Airport Rd 326 Comment
  SD69484  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1966-4-6 35889 Los Angeles Santa Catalina Island; ridge between White and Moonstone Coves 14 Comment
  RSA150668  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-4-12 17325 Los Angeles Near foot of canyon south of canyon below the Tomb, west side of San Clemente Island 137 Comment
  UCR247275  Antirrhinum orontium Dan S. Cooper 2013-7-29 713- 39 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  CATA698  Apiastrum angustifolium Mark L. Hoefs 1991-5-3 1193 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  UCR187127  Apiastrum angustifolium A. C. Sanders 2006-5-16 32319 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  POM3220  Apiastrum angustifolium D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. Comment
  UCR73383  Apocynum androsaemifolium T. S. Ross 1991-8-14 5776 Los Angeles San Gabriel Mtns, Roundtop Mountain 1768 Comment
  RSA0106571  Apocynum cannabinum R. G. Swinney 2011-6-23 15304 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center. 1582 Comment
  SBBG125534  Apocynum cannabinum A. Parikh, N. Gale 2010-6-15 3299 Los Angeles upper Big Tujunga Cyn, 0.3 km E of Shortcut Station, 0.5 km N of St Hwy 2, San Gabriel Mtns 1293 Comment
  SFV20828  Apocynum cannabinum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1109 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
  RSA733577  Aquilegia formosa R. G. Swinney 1998-7-29 6549 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  POM96190  Arabis glabra Marcus E. Jones 1926-5-7 s.n. Los Angeles Mountains near Claremont. Comment
  RSA0095311  Arabis sparsiflora Richard G. Swinney 2011-6-23 15321 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  UCR202694  Arceuthobium californicum R. G. Swinney 2001-8-11 8044 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  CAS-BOT-BC410156  Arceuthobium occidentale F. A. Mac Fadden 1936-9-6 14737 Los Angeles Lake Arrowhead Comment
  RSA97428  Arceuthobium occidentale F. W. Peirson 1921-11-12 4302 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  UC876555  Arctostaphylos catalinae F. R. Fosberg 1931-7-14 S 5398 Los Angeles Hay Press Santa Catalina Island 350 Comment
  RSA626738  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7234 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626748  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1978-2-25 7043 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1560 Comment
  RSA626805  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22097 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  LA200423  Arctostaphylos glandulosa subsp. mollis Norman A. Cole; May 1964 374 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  LA200424  Arctostaphylos glandulosa subsp. mollis Jonathan Sauer; H. Bailey 1969-3-4 4281 Los Angeles 792 Comment
  LA42384  Arctostaphylos glandulosa subsp. mollis Harlan Lewis; 1940-2-4 1054 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 670 Comment
  RSA70854  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1922-5-30 4724 Los Angeles West spur of Mt. Lowe. 1280 Comment
  RSA631561  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15805 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA631564  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15848 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631572  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15649 Los Angeles Angeles Forest Highway, 1.8 km south of Hidden Springs Cafe. 850 Comment
  RSA631631  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15853 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631634  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15835 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631641  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15636 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631644  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15638 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  SD211591  Arctostaphylos glauca Barbara Ertter, Teresa Sholars and David Thopmson 1987-5-24 6977 Los Angeles Head of Dorr Canyon on Highway 2 East of Dawson Saddle, San Gabriel Mountains circa 9 airmiles West of Wrightwood 2133 Comment
  UCR258814  Arctostaphylos glauca R. G. Swinney 2010-5-25 12975 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0073297  Arctostaphylos glauca Bonnie C. Templeton 1938-6-1 4871 Los Angeles E. Blue Ridge, Big Pines Park, San Gabriel Mts. Comment
  POM13813  Arctostaphylos parryana P. A. Munz 1922-5-30 5575 Los Angeles San Antonio Mountains: Head of Swartout [Swarthout] Valley. 2134 Comment
  RSA230659  Arctostaphylos parryana R. F. Thorne 1969-7-9 38476 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA634731  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20567 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634741  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20599 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634795  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20502 Los Angeles Chilao Campground. 1600 Comment
  RSA634861  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20546 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634864  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20263 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634872  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20218 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635090  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20412 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635162  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20276 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  RSA635171  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22039 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635174  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20568 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  UCR190855  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR193994  Arctostaphylos patula R. G. Swinney 1998-8-13 6736 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  CAS-BOT-BC102222  Arctotheca A. C. Sanders; Andy Thompson 2003-4-15 26008 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, south edge of Magic Mountain theme park, 396 Comment
  RSA777529  Arenaria macradenia R. G. Swinney 2009-5-20 10823 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  UCR181239  Arenaria macradenia R. G. Swinney 1997-6-13 5573 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  UCR209447  Arenaria macradenia R. G. Swinney 2008-10-7 9490 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA522444  Arenaria macradenia var. arcuifolia Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4061 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA0091787  Argemone munita R. G. Swinney 2011-7-7 15435 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA105992  Argemone munita Gerald B. Ownbey, Findley Ownbey 1954-5-28 2116 Los Angeles 14.0 miles S of Vincent on road to La Canada. Roadside bank and adjacent stream bank. Comment
  RSA532634  Argemone munita Tim S. Ross 1991-8-14 5759 -A Los Angeles Roundtop Mountain. 1878 Comment
  CAS-BOT-BC248307  Argyranthemum foeniculaceum R. E. Riefner, Jr. 2011-8-19 11 -103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north ca. 0.2 mi from Paseo del Mar St. at Palos Verdes Dr. West 89 Comment
  SBBG131501  Aristida adscensionis S. A. Junak 1999-7-15 SCa 1024 Los Angeles Salta Verde Beach , just E of S-facing bluffs/rock face 6 Comment
  RSA661184  Aristida purpurea var. parishii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 400 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. 366 Comment
  RSA417224  Artemisia biennis F. R. Fosberg 1930-10-18 S 4120 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  CAS-BOT-BC90160  Artemisia californica Tim Ross 1994-7-19 8175 Los Angeles Claremont: S base of Indian Hill Mesa. Ontario 7.5' USGS Quadrangle 396 Comment
  RSA535752  Artemisia californica Timothy S. Ross 1991-5-23 5501 Los Angeles San Clemente Island. Lower Tota Canyon, middle of island, eastern escarpment. 88 Comment
  RSA613730  Artemisia californica 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
  RSA656676  Artemisia californica B. Brady 1980-6-1 20 Los Angeles Big Tujunga Canyon 457 Comment
  CATA1691  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2986 Los Angeles Santa Catalina Island: Middle Ranch Reservoir 188 Comment
  UCR276759  Artemisia douglasiana R. G. Swinney 2011-10-13 15776 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  RSA544561  Artemisia nesiotica Timothy S. Ross, Elizabeth Kellogg 1992-4-13 6147 Los Angeles San Clemente Island: NW part of the Island; coastal Secondary terrace ENE of Darter, (354 degrees N, 1375m distant from 199' BM near Flasher) 56 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-BC97277  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7803 Los Angeles Newhall Comment
  CAS-BOT-BC97334  Artemisia tridentata subsp. tridentata Ernest C. Twisselmann 1961-10-31 6674 Los Angeles Liebre Mountains: Old Ridge Route about 0.5 mile north of Sandsburgs Lodge 1127 Comment
  RSA617465  Asclepias californica Scott D. White, Sandra L. Leatherman 1998-6-4 6642 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway/Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  JEPS49874  Asclepias eriocarpa F. W. Peirson 1918-6-28 148 Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 Comment
  UCR210224  Asclepias fascicularis R. G. Swinney 2008-8-14 9428 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  CATA1914  Asclepias fascicularis John J. Mack 2014-6-12 Los Angeles Santa Catalina Island: Starlight Beach 0 Comment
  RSA544572  Asphodelus fistulosus Timothy S. Ross, E. Kellogg 1992-4-13 6137 Los Angeles San Clemente Island: North head of the island, off the E end of the active runway. 43 Comment
  UCR208179  Aspidotis californica M. B. Dunkle 1928-5-28 1928 Los Angeles Channel Islands, Santa Catalina Island, Empire Landing 183 Comment
  RSA417628  Aster bernardinus F. R. Fosberg 1930-11-11 4181 Los Angeles Templeton, S Puente 100 Comment
  UCR94475  Aster greatae Orlando Mistretta 1994-9-27 1502 Los Angeles San Gabriel Mtns., Little Rock Creek, upstream of confluence with Bare Mtn. Canyon 1128 Comment
  LA209943  Aster lanceolatus subsp. hesperius Arthur C. Gibson; 2006-10-29 5124 Los Angeles Comment
  RSA496675  Astragalus didymocarpus var. didymocarpus A. C. Sanders, E. J. Lawlor 1988-4-3 7757 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  UCR184100  Astragalus douglasii A. C. Sanders 2007-4-13 33405 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  UCR213969  Astragalus douglasii var. douglasii Dave Silverman, Cindy Hopkins 2007-4-24 6735 Los Angeles Tejon Ranch, 1000 m ESE of National Cement, 1.7 km W of California Aqueduct, 500 m S of the county line, just N of plant access road 954 Comment
  CAS-BOT-BC178347  Astragalus gambelianus Alice Eastwood 1906-5-27 52 Los Angeles Garvanza - country adjacent to Los Angeles Comment
  RSA667964  Astragalus leucopsis Peter J. Mehringer 1958-3-8 s.n. Los Angeles Decker Canyon Road, and US 101, Santa Monica Mountains. 15 Comment
  UC1215233  Astragalus nevinii Peter H. Raven 1962-7-11 18007 Los Angeles on bluffs above ocean 1 mi s Wilson Cove (San Clemente Island); , s of Wilson Cove Comment
  RSA772384  Astragalus pachypus R. G. Swinney 2009-5-12 10755 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1435 Comment
  CAS-BOT-BC194034  Astragalus trichopodus var. lonchus Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7400 A Los Angeles Rancho Palos Verdes, un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive, San Pedro 7.5', Palos Verdes Peninsula 164 Comment
  POM157998  Astragalus trichopodus var. lonchus M. B. Dunkle 1928-2-12 1703 Los Angeles Salta Verde, Santa Catalina Island. 91 Comment
  LA51507  Athysanus pusillus O. H. Kappler; 1944-3-26 553 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1595297  Athysanus pusillus Tim Ross 1991-3-10 4222 Los Angeles on e side of Rancho Santa Ana Botanic Garden (vicinity of (some 15m ne of) Phake Lake, Bernard Field Station); Claremont, Bernard Field Station 391 Comment
  UC1980257  Atriplex R. E. Riefner Jr. 2006-7-8 06 -288 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. Comment
  UCR119560  Atriplex argentea L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  POM158314  Atriplex californica M. B. Dunkle 1928-4-29 1894 Los Angeles Little Harbor. 5 Comment
  RSA526623  Atriplex californica Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4213 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  CAS-BOT-BC168268  Atriplex canescens var. canescens Timothy S. Ross; Steve Boyd 1994-9-20 8227 b Los Angeles 2 miles NW of Acton: Sandy wash, 2 side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  RSA586440  Atriplex canescens var. canescens Orlando Mistretta 1995-2-28 1524 Los Angeles San Gabriel Mountains: Carr Canyon. 1067 Comment
  UCR142730  Atriplex canescens var. laciniata N. C. Cooper 1943-11-20 976 Los Angeles Transverse Ranges; Liebre Mtns region, Mint Canyon, west of Ranger [Fire?] Station 762 Comment
  RSA774235  Atriplex confertifolia R. G. Swinney 2009-5-5 10637 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  SBBG105330  Atriplex lentiformis subsp. breweri R. M. Beauchamp 1975-8-17 4010 Los Angeles above beach at Pyramid Cove Comment
  UC527385  Atriplex nummularia Carl B. Wolf 1931-12-30 2636 Los Angeles coastal bluffs at Playa del Rey 30 Comment
  RSA642088  Atriplex phyllostegia Orlando Mistretta, Mark Elvin 1995-3-30 s.n. Los Angeles Lancaster area: Northwest corner of Sierra Highway and Avenue C, north of Lancaster. Comment
  POM182434  Atriplex rosea R. L. Pendleton 1909-7-2 1381 Los Angeles Avalon, Santa Catalina Island. Near Cottage. 6 Comment
  POM228978  Atriplex rosea L. C. Wheeler 1933-5-5 1382 Los Angeles UCLA campus, West Los Angeles 137 Comment
  RSA233618  Atriplex semibaccata R. F. Thorne 1970-3-6 s.n. Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  RSA0070279  Avena barbata LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7004 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
  LA200937  Avena barbata Norman A. Cole; May 1964 339 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  SEINET7047907  Avena barbata Steven R. Hill, Kate Kramer 2001-4-22 33356 Los Angeles North side of San Gabriel Mountains, south side of Antelope Valley, Johnson Road, 6.2 miles north-northeast of junction with Elizabeth Lake Road, 3 miles south of junction of Avenue I and 110th Street West. Elevation about 3080 feet. Comment
  RSA0113376  Avena fatua LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7554 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA649002  Avena fatua Scott Lowe 1991-4-20 10 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  SEINET4560216  Baccharis brachyphylla J. Andre 2011-1 22549 Los Angeles Sacramento Mountains; UC Sacramento Mtns Reserve; along south side of US Interstate 40, just SW of summit (South Pass). 772 Comment
  RSA418216  Baccharis douglasii H. L. Bauer 1929-09 376 Los Angeles Long Beach 30 Comment
  RSA93166  Baccharis emoryi F. W. Peirson 1924-10-19 5228 Los Angeles Clearwater. Comment
  RSA754227  Baccharis salicifolia Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1773 Los Angeles Downstream from San Dimas Dam 405 Comment
  SDSU6389  Baccharis salicifolia subsp. salicifolia Gerald Collier 1951-5-5 M 536 Los Angeles Santa Ana Canyon, San Gabriel Mtns. About 2 miles up canyon from chantry falt trail base - along stream. Comment
  UCR108383  Baccharis salicina L. C. Wheeler 1946-9-9 6368 Los Angeles San Gabriel Mtns., West Fork San Gabriel River, 1/2 mi east of Bear Creek 518 Comment
  UCR124423  Barbarea orthoceras B. C. Templeton 1932-5-31 4848 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SD72852  Bassia americana F. R. Fosberg 1931-8-19 7287 Los Angeles Compton, in vacant lot. Comment
  RSA355901  Bassia hyssopifolia R. F. Thorne 1975-9-4 47383 Los Angeles Santa Catalina Island: Fisherman s Cove; campus of USC Marine Science Center. Comment
  JEPS5611  Bergia texana Theodore W. Minthorn 1910-10-22 8 Los Angeles 5 miles east of Los Angeles. Comment
  SEINET3133936  Bidens pilosa Unknown 1902-5-31 2484 Los Angeles along streets, Inglewood Comment
  UCR136841  Bidens pilosa John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  SEINET3884836  Bloomeria crocea K. Dobry 1991-5-22 d 639 Los Angeles Ne section of Soka University, 1 mi east of Los Virgenes Rd. off Mulholland Hwy. Santa Monica Mountain.; 0 Comment
  POM18010  Boechera P. A. Munz 1923-5-26 6860 Los Angeles Rock Creek 1768 Comment
  CATA1398  Bothriochloa barbinodis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2540 Los Angeles Santa Catalina Island: By road to Salta Verde, lower portion of road, toward Salta Verde 390 Comment
  CAS-BOT-BC145851  Bothriochloa laguroides subsp. torreyana A. J. McClatchie 1893-9-14 474 Los Angeles Catalina. Comment
  CAS-BOT-BC95440  Bowlesia incana Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4302 Los Angeles San Clemente Island, E side of island near Malo Point, first canyon S of Bryce Canyon Comment
  RSA451997  Bowlesia incana F. R. Fosberg 1931-5-7 7169 Los Angeles Cottonwood Canyon, left fork, Santa Catalina Island. 220 Comment
  POM1587  Boykinia rotundifolia D. L. Crawford 1915-7-15 551 Los Angeles Palmer Canyon - Claremont. Comment
  RSA584293  Boykinia rotundifolia T. S. Ross, Orlando Mistretta 1993-5-27 7338 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  RSA729876  Boykinia rotundifolia R. G. Swinney 1998-7-28 6520 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
  UCR108322  Boykinia rotundifolia L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Whitney Canyon at Santa Clara Divide Road 915 Comment
  POM306648  Boykinia rotundifolia H. J. Ramsey, Henry J. Ramsey 1937-9-2 1507 Los Angeles Johnny Glen, Angeles Crest Highway. Comment
  RSA570565  Brassica fruticulosa Steve Boyd, Timothy S. Ross, Kai Larsen, Supra Larsen 1993-6-11 s.n. Los Angeles Southern base of the San Gabriel Mountains in Evey Canyon, a side drainage of San Antonio Canyon, just north of San Antonio Dam and Potato Mountain. 700 Comment
  UCR272362  Brassica geniculata R. G. Swinney 2011-6-20 15223 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  UCR280566  Brassica geniculata R. G. Swinney 2014-5-13 16484 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA0084243  Brassica nigra Jennifer Jones 2006-5-27 339 Los Angeles South Hills Park Glendora. E of Grand Avenue and S of Alosta Avenue. 244 Comment
  RSA0042800  Brassica oleracea var. botrytis Elwood Fordham 1951-3-25 s.n. Los Angeles Topanga, Pasquero Pl. 266 Comment
  UC1584727  Brassica rapa Tim Ross 1991-3-24 4303 Los Angeles Whittier Hills (Puente Hills, pro parte), Lower Turnbull Canyon Whittier Hills; , Lower Turnbull Canyon 170 Comment
  UCR206528  Brassica rapa A. C. Sanders, T. B. Salvato 2009-5-20 36855 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  RSA600512  Brassica rapa L. C. Wheeler 1968-2-4 s.n. Los Angeles Bluebird Ranch (Truck Trail) east of Richard Ferguson's house 457 Comment
  CAS-BOT-BC100403  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station 1066 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
  POM58247  Brickellia californica C. F. Baker 1903-8-2 3696 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA607921  Brickellia californica L. C. Wheeler 1961-6-13 7873 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  UC63390  Brickellia californica Ernest Braunton 1902-10-1 730 Los Angeles Sherman Comment
  POM187682  Brickellia nevinii Joseph A. Ewan 1930-10-10 3534 Los Angeles along Sturtevant Trail. 610 Comment
  RSA603822  Brickellia nevinii Steve Boyd 1997-9-17 10038 A 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. 915 Comment
  UC571020  Brickellia nevinii Frank W. Peirson 1924-12-5 5382 Los Angeles Head of Eaton Canyon, s face of San Gabriel Peak, San Gabriel Mountains San Gabriel Mountains, San Gabriel Peak, Eaton Canyon 1645 Comment
  RSA40048  Briza minor Henry M. Pollard 1946-4-18 s.n. Los Angeles Ojai Valley. Near California Prep School. Comment
  RSA133766  Bromus arizonicus P. H. Raven 1959-4-19 14012 Los Angeles Santa Monica Mountains: Along shore 0.8 miles east of Ventura County Line. 8 Comment
  CAS-BOT-BC149412  Bromus berteroanus A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains. Soledad Pass area at north foot of mountains, ca. 5 miles southwest of Palmdale, along CE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation. 1000 Comment
  RSA0071931  Bromus berteroanus LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7005 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
  RSA698759  Bromus carinatus LeRoy Gross, P. Morton 2004-6-10 1369 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  UCR223574  Bromus carinatus R. G. Swinney 2009-6-3 11034 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
  UCR270044  Bromus carinatus R. G. Swinney 2010-9-9 13782 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR65256  Bromus carinatus F. R. Fosberg 1931-4-14 S- 04608 Los Angeles Channel Islands, Santa Catalina Island, Eagles Nest, Middle Ranch Canyon 180 Comment
  RSA311351  Bromus carinatus var. carinatus R. F. Thorne, M. Z. Thorne 1969-7-9 38580 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  RSA601329  Bromus carinatus var. carinatus Steve Boyd, Lauren Raz 1997-6-17 9953 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  RSA641639  Bromus diandrus L. C. Wheeler 1967-5-3 9802 Los Angeles Sycamore Flat Campground, Big Rock Creek. 1311 Comment
  UC934047  Bromus diandrus H. L. Cogswell 1951-5-8 91 Los Angeles 2/3 mi n of San Dimas Foothill County Park (just n of small hill) 448 Comment
  UCD58581  Bromus diandrus Robert D. Clarke 1979-4-15 s.n. Los Angeles Central Los Angeles. Comment
  CAS-BOT-BC155594  Bromus grandis Louis C. Wheeler 1936-6-8 4134 Los Angeles Bell Canyon, San Gabriel Mountain. 701 Comment
  RSA363857  Bromus grandis Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon, [San Gabriel Mountains] 518 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
  POM363866  Bromus hordeaceus Margaret Northrop 1914-4-25 s.n. Los Angeles Los Angeles. Comment
  RSA221478  Bromus hordeaceus Arthur C. Gibson 1971-4-16 1851 Los Angeles [San Gabriel Mountains] Near mouth opening into San Antonio Canyon, Stoddard Canyon, Angeles National Forest 738 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
  LA33366  Bromus hordeaceus Peter H. Raven; Henry J. Thompson 1959-5-5 14108 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  CATA764  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-5-28 1303 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  LA105382  Bromus pseudolaevipes Barry A. Prigge; 1989-4-23 8490 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  LA105337  Bromus rubens Barry A. Prigge; 1989-4-23 8413 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
  UCR11921  Bromus rubens P. H. Raven, H. J. Thompson 1960-4-13 15073 Los Angeles Western Transverse Range; Santa Monica Mtns., NW slope of Mt. Hollywood 335 Comment
  CHSC99437  Bromus sterilis LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 957 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains. At junction (saddle) of Verdugo motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. UTM Zone : 3787689N 0378361E. 564 Comment
  UCR280761  Bromus tectorum R. G. Swinney 2014-4-30 16306 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
  UCR92506  Bromus trinii Sheila Kee 1995-5-15 s.n. Los Angeles Western San Gabriel Mountains, Bee Canyon just above Santa Clara River, east of Canyon Country, between the Antelope Valley Fwy and Soledad Canyon Road, 0.5 mi NE of Lang sideing 540 Comment
  UC2029944  Calandrinia breweri Valerie Soza, LeRoy Gross 2001-4-24 1173 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.5mile WNW of the Santa Anita Dam. Comment
  UCR256167  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA117127  Calandrinia ciliata Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  SEINET13386992 Image available Calocedrus decurrens R. G. Swinney 2011-1 15947 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  CAS-BOT-BC132287  Calochortus catalinae Peter H. Raven; H. L. Wedberg 1957-6-15 10909 Los Angeles In Latigo Canyon, 0.8 miles n. of U.S. 101A, Santa Monica Mts. Comment
  LA200920  Calochortus catalinae Jonathan Sauer; T Thorsted 1974-4-13 5567 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon - Topanga Canyon, ridge between Tuna Canyon and Topanga Canyon. Comment
  RSA562419  Calochortus catalinae D. E. Bramlet 1993-4-15 2313 Los Angeles Puente Hills, NE of Pomona peak. W of intersection Pomona Freeway and Chino Hills Parkway 381 Comment
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Dec 26 2010
  RSA785918  Calochortus catalinae K. Dobry 1991-10-22 629 Los Angeles Santa Monica Mountains section. 1 mile east of Las Virgnes [Virgenes] Hwy off Mullholland. Comment
  UCR190530  Calochortus catalinae R. G. Swinney 1990-5-2 1581 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora, at east end of Eagle Ridge, north of new homes 305 Comment
  UC519905  Calochortus clavatus Carl Epling and Louis Wheeler 1933-6-4 1854 Los Angeles near Summit (Ridge Route) 1524 Comment
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Nov 9 2011
  UCR124455  Calochortus clavatus I. W. Clokey, B. C. Templeton 1929-1 4552 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA599770  Calochortus kennedyi var. kennedyi Steve Boyd, David E. Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9789 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA547823  Calochortus plummerae Timothy S. Ross, Peter W. Fritsch 1990-6-20 3622 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA549144  Calochortus plummerae Timothy S. Ross 1992-7-16 6695 Los Angeles San Gabriel Mountains: S of Indian Ben Saddle, NE of Iron Mountain 1573 Comment
  POM244810  Calochortus splendens F. R. Fosberg 1931-5-14 S- 4865 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  UCR155134  Calochortus venustus A. C. Sanders 2005-5-5 29950 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  CAS-BOT-BC221401  Calystegia longipes A. D. E. Elmer 1902-6-1 3603 Los Angeles Aston, Mt. Gleason Comment
  SDSU5652  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-3-19 317 Los Angeles San Clemente Island. Comment
  UCR280553  Calystegia macrostegia subsp. intermedia R. G. Swinney 2014-6-5 16701 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA722323  Calystegia malacophylla subsp. pedicellata Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec, Liebre Mountains. Comment
  RSA719585  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-7-22 5718 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area. 2073 Comment
  RSA465661  Camissonia bistorta M. Bisbee 1917-5-12 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  RSA465664  Camissonia bistorta Robert M. Perkins 1936-4-3 149 Los Angeles El Segundo dunes Comment
  RSA465672  Camissonia bistorta Robert Gustafson 1981-3-18 2126 Los Angeles Ballona Wetlands, Area 1. Comment
  POM96351  Camissonia boothii subsp. decorticans P. A. Munz 1926-4-4 10004 Los Angeles Bouquet Canyon, 5 miles N of Saugus. Comment
  UCR108653  Camissonia californica L. C. Wheeler 1967-5-18 9615 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR206451  Camissonia campestris R. G. Swinney 2008-6-9 8968 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UC1949058  Camissonia campestris subsp. campestris Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7478 Los Angeles on N side of road; Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  RSA449016  Camissonia confusa Robin S. Collins 1973-4-30 250 Los Angeles Angeles National Forest, San Gabriel Mts.: Trail Cyn. 609 Comment
  RSA775862  Camissonia confusa Orlando Mistretta, Christine Mistretta 2010-5-26 5196 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  RSA187456  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-7-12 18023 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  UCR155598  Camissonia hirtella A. C. Sanders, T. B. Salvato 2005-4-26 29698 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
  POM3333  Camissonia hirtella D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, Mts. above Claremont. 2134 Comment
  RSA630364  Camissonia intermedia Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 602 Comment
  RSA608317  Camissonia micrantha Louis C. Wheeler 1930-5-24 44 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UCR220042  Camissonia pallida R. G. Swinney 2009-4-24 10457 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA598381  Camissonia strigulosa Louis C. Wheeler 1967-5-24 9742 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  UCD103427  Camissoniopsis bistorta Geoffrey Levin 1974-4-26 33 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  UCD103459  Camissoniopsis bistorta Daryl Koutnik 1978-4-14 359 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  UC306296  Camissoniopsis cheiranthifolia subsp. suffruticosa I. Johnston 1917-6-10 1334 Los Angeles sand dunes Playa del Rey 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
  CAS-BOT-BC160530  Camissoniopsis lewisii H. Wedberg 1958-5-1 273 Los Angeles About 1/4-mile east of Killgore Street, Playa del Rey Comment
  RSA600193  Capsella bursa-pastoris Steve Boyd, Lauren Raz 1997-5-29 9907 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  CAS-BOT-BC174798  Cardamine californica Tim Ross; Steve Boyd 1993-5-23 7275 Los Angeles Lower portion of steep, northerly draw draining from saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 270-340 m SW of Plum Spring 829 Comment
  CAS-BOT-BC37459  Cardamine californica J. Ewan 1930-3-30 2279 Los Angeles San Gabriel Mountains. Monrovia Canyon. 640 Comment
  UCR213355  Cardamine oligosperma Justin M. Wood 2009-3-6 335 Los Angeles city of Claremont, northwest corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County 412 Comment
  CAS-BOT-BC37897  Cardamine oligosperma Jerome S. Horton 1941-4-4 589 Los Angeles Angeles Forest. San Dimas Canyon on trail to flumes 4 and 5. 609 Comment
  UCR182647  Carex R. G. Swinney 1997-7-23 5731 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
Read comments
Sep 12 2018
  RSA0045414  Carex Wendy Boes, Andrew Wheeler 2009-7-13 2009 -047 Los Angeles San Grabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  RSA0045428  Carex Wendy Boes, Andrew S. Wheeler 2009-7-13 2009 -032 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  CAS-BOT-BC17679  Carex alma Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8111 Los Angeles Liebre Mountains. Tributaray of Clearwater Canyon: 847 Comment
  RSA596810  Carex alma Timothy S. Ross, J. Mark Porter 1995-5-4 8487 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR210136  Carex alma R. G. Swinney 2008-8-13 9394 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR259255  Carex alma R. G. Swinney 2010-6-4 12998 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  SEINET7549358 Image available Carex alma Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3001 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1254 Comment
  UCR202721  Carex aurea R. G. Swinney, Cody Clarke 2001-8-22 8083 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
  UCR182637  Carex fracta R. G. Swinney 1997-7-23 5729 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  CAS-BOT-BC21764  Carex hassei Robert F. Thorne; M. Z. Thorne 1967-7-19 37131 Los Angeles Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River. 1249 Comment
  CAS-BOT-BC31095  Carex leavenworthii Wm. C. Draper 1949-5-27 s.n. Los Angeles 510 Fairview, Arcadia. Comment
  RSA509702  Carex multicaulis L. C. Wheeler 1967-8-9 10425 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  UCR150978  Carex multicaulis L. C. Wheeler 1968-5-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: NW slope Smith Mountain, along Bear Creek Trail 1250 Comment
  RSA1436  Carex phaeocephala Le Roy Abrams 1901-07 1933 Los Angeles Mt. San Antonio 3049 Comment
  RSA88757  Carex praegracilis F. W. Peirson 1918-4-28 1624 Los Angeles Southeast of El Monte. Comment
  SBBG33691  Carex praegracilis V. Soza, S. Boyd 2002-4-20 1404 Los Angeles Haskell Cyn, Del Sur Ridge; Liebre Mtns 518 Comment
  CAS-BOT-BC117942  Carex schottii George Bernard Grant 1902-2-1 137 Los Angeles Pasadena. Comment
  RSA364695  Carex schottii George B. Grant s.n. Los Angeles Pasadena. Comment
  RSA660255  Carex schottii Orlando Mistretta, Peter L. Morrell 1992-6-4 503 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  CHSC106445  Carex spissa P. F. Zika; Nick Otting 2010-8-7 25306 Los Angeles South Coast (SCo). Base of San Gabriel Canyon, E side of Route 39, steep sunny seep, base of steep loose slope. 250 Comment
  RSA364766  Carex spissa B. C. Templeton 1932-3-24 s.n. Los Angeles Trail Canyon, Angeles forest Comment
  RSA88843  Carex subfusca Joseph A. Ewan 1936-7-22 9797 Los Angeles Big Pines Meadow, San Gabriel Mountains. 2073 Comment
  SEINET3908417  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mountains, Los Angeles County.; 0 1981 Comment
  LA33786  Carpobrotus edulis Peter H. Raven; Henry J. Thompson 1958-9-19 13718 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  RSA0011153  Carya L. M. Prince, Lucinda A. McDade, Norm Ellstrand, Pace Lubinsky, Andrea Kaus 2008-8-18 513 Los Angeles Bonelli Park, San Dimas 315 Comment
  RSA757200  Castilleja affinis subsp. affinis Orlando Mistretta, Christine Mistretta 2008-4-7 2356 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 43 per TRTP survey-2008) 1020 Comment
  UC138725  Castilleja affinis subsp. affinis C. F. Baker 1904-5-6 4745 Los Angeles near Pomona Comment
  OBI9681  Castilleja applegatei subsp. martinii Rimo Bacigalupi 1953-5-2 4050 Los Angeles N edge of Oak Flat public camp, Angeles Natl Forest, NW Los Angeles county, just off US hwy 99 853 Comment
  RSA191118  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1967-6-25 37102 Los Angeles upper portion of Evey Canyon 884 Comment
  UC1348985  Castilleja applegatei subsp. martinii Robert F. Thorne and M. Z. Thorne 1967-6-25 37102 Los Angeles upper portion Evey Canyon; San Gabriel Mts. 883 Comment
  JEPS66316  Castilleja applegatei subsp. martinii L. R. Heckard 1971-5-25 2580 Los Angeles ca 3.5 mi below Charlton Flat junction (along Angeles Crest highway); San Gabriel Mts. 1493 Comment
  RSA448676  Castilleja applegatei subsp. martinii Donald R. Bissing 1973-4-6 36 Los Angeles Evey Canyon, San Gabriel Mountains. 762 Comment
  RSA448680  Castilleja applegatei subsp. martinii George R. Johnston 1930-9-14 14628 Los Angeles Edison Road above Dark Canyon. 762 Comment
  UCSB25083  Castilleja densiflora subsp. gracilis Engel, C. 1967-3-21 Los Angeles On the south side of the Catalina Girl's Camp Road, 0.3 mi. south of its junction with the Isthmus, Santa Catalina Island 121 Comment
  JEPS30730  Castilleja exserta subsp. exserta Peter H. Raven 1962-3-27 16996 Los Angeles 1.4 mi e Portugese Bend (along Palos Verdes Drive); Palos Verdes Hills Comment
  RSA611506  Castilleja exserta subsp. exserta Louis C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mountains: Spring Hill, San Antonio Canyon. 1220 Comment
  UC538073  Castilleja exserta subsp. exserta David D. Keck 1935-3-18 3018 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  CDA41251  Castilleja foliolosa Phillipson 1915-7-2 11 .4.A Los Angeles North Duarte. Comment
  RSA639166  Castilleja miniata subsp. miniata Louis C. Wheeler 1967-9-3 10634 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  UCR204757  Castilleja minor subsp. spiralis R. G. Swinney 2005-8-9 8431 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  JEPS78783  Castilleja plagiotoma L. R. Heckard with Michael Morris 1976-6-13 4262 Los Angeles ca 3 mi w Wrightwood (along Route 2, 0.5 mi e of Big Pines Ranger Station, 0.5 mi w of Holiday Hill Ski Lifts); San Gabriel Mts. 1828 Comment
  UC26497  Castilleja plagiotoma Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  CHSC8383  Casuarina equisetifolia E. L. Smith 1957-3-23 267 Los Angeles Located on Pomona College campus, Claremont. San Gabriel Mountains. 381 Comment
  CAS-BOT-BC38295  Caulanthus cooperi Lewis S. Rose 1937-4-9 37080 Los Angeles 6 miles southeast of Llano. 1036 Comment
  UCSB2280  Caulanthus coulteri B., K. 1944-6-13 Los Angeles Chapman Burn, San Dimas Experimental Forest, San Gabriel Mountains Comment
  SBBG77958  Caulanthus lasiophyllus F. R. Fosberg 1931-4-13 4594 Los Angeles Pebbly Beach Cyn 25 Comment
  UC1779763  Ceanothus arboreus Dean Kelch 1991-3-17 01 .320 Los Angeles 2 lm N of Avalon, Santa Catalina Island. Comment
  POM11572  Ceanothus cordulatus P. A. Munz 1921-6-18 4577 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2073 Comment
  SEINET3282765 Image available Ceanothus leucodermis A. C. Sanders, Mark A. Elvin; Anuja Parikh; Nathan Gale; et al 2003-4-30 26254 Los Angeles Western San Gabriel Mtns.; Castaic Valley at west foot of Castaic Mesa, Newhall Ranch. 366 Comment
  CAS-BOT-BC83794  Ceanothus megacarpus D. O. Burge; D. Knapp; S. Ratay 2007-3-24 808 b Los Angeles Santa Catalina Island 405 Comment
  RSA95394  Ceanothus megacarpus F. W. Peirson 4447 Los Angeles Laurel Canyon. Comment
  RSA177818  Ceanothus megacarpus var. insularis Robert F. Thorne, Percy C. Everett 1965-5-10 34478 Los Angeles On E slope of Black Jack Mt. near Summit Road; Santa Catalina Island. Comment
  UCR65263  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-5-6 S- 04816 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  RSA0116338  Ceanothus megacarpus var. insularis Steven A. Junak 2000-3-31 SCa- 1153 Los Angeles Santa Catalina Island. W side of road to White's Landing, ca. 0.2 mi. N of intersection with road to Echo Lake, S facing slopes. 396 Comment
  LA43626  Ceanothus megacarpus var. megacarpus A. M. Johnson; 1928-2-16 2777 Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC1184983  Ceanothus megacarpus var. megacarpus Huron H. Smith 1912-5-29 5031 Los Angeles Trail from summit, Santa Catalina Isl. 365 Comment
  POM17614  Ceanothus oliganthus var. oliganthus P. A. Munz 1923-3-10 7322 Los Angeles Palmer Canyon Wash, north of Claremont. Wash west of North Indian Hill Boulevard. Comment
  UC1506113  Ceanothus spinosus E. R. Clausen 1963-4-4 63029 Los Angeles On steep slope facing north, Udell Canyon, Santa Monica Mts. 100 Comment
  RSA0005502  Ceanothus spinosus Anstruther Davidson 1917-06 3232 Los Angeles Crescenta. Comment
  RSA0029518  Ceanothus spinosus Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  UCR129380  Ceanothus vestitus Orlando Mistretta, S. D. Boyd, D. L. Banks 1994-4-29 1096 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  UCR129826  Cenchrus longispinus L. C. Wheeler 1932-8-6 1123 Los Angeles San Gabriel Valley, 2 miles NNE of Claremont 427 Comment
  RSA187797  Centaurea solstitialis R. F. Thorne 1966-9-14 36624 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA747050  Centranthus ruber R. G. Swinney 2008-5-30 8873 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  UCR205570  Centranthus ruber R. G. Swinney 2008-5-30 8873 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  SD236200  Centromadia parryi subsp. australis Matthew Malle 2008-10-8 Los Angeles South Coast; Los Angeles Basin Region: Torrance, triangular parcel on west side of Crenshaw Blvd, between W. 208th St. and Dominguez St., south of Dow Chemical facility, c. 1.6 m. (air) south of 405 Fwy 20 Comment
  RSA491718  Centrostegia thurberi James L. Reveal 1988-5-16 6776 Los Angeles Portal Ridge north of Elizabeth Lake, 2.1 miles east of Lake Hughes at the Lake Hughes Road and 0.8 mile west of Willow Springs Canyon (or Munz Ranch) Road, on low hills north of Elizabeth Lake Road (County Road N2) at milepost 16.5. 1021 Comment
  SEINET7047920  Centrostegia thurberi Steven R. Hill, Kate Kramer 2001-4-22 33369 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  SD69722  Cerastium glomeratum Robert F. Thorne, M. Z. Thorne 1966-5-31 36439 Los Angeles Santa Catalina; along stream in Fern Canyon west of Orizaba Mountain. 228 Comment
  RSA453285  Cercocarpus betuloides C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA771606  Cercocarpus betuloides R. G. Swinney 2009-5-28 10975 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SD181358  Cercocarpus betuloides J. Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap. 1399 Comment
  UCR205048  Cercocarpus betuloides R. G. Swinney 2008-3-31 8582 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  CAS-BOT-BC142127  Cercocarpus betuloides var. betuloides L. R. Abrams 1913-7-18 5012 Los Angeles Russel's Lake Comment
  CAS-BOT-BC142129  Cercocarpus betuloides var. betuloides Victor Duran 1933-8-10 3544 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1394 Comment
  UCSB2759  Cercocarpus betuloides var. blancheae Muller, Cornelius 1953-5-2 Los Angeles Upper end of Swain Canyon, near ridge top, Santa Catalina Island Comment
  UC1348917  Cercocarpus ledifolius Robert F. Thorne and John Olmstead 1965-8-26 35375 Los Angeles Prairie Forkne of Camp Lupine (Angeles National Forest, San Gabriel Mountains); San Gabriel Mountains, Angeles National Forest 2148 Comment
  UC30977  Chaenactis artemisiifolia H. P. Chandler 1897-5-24 Los Angeles Fulkerson's Ranch, Claremont 731 Comment
  RSA12190  Chaenactis artemisiifolia C. B. Wolf 1928-6-29 1001 Los Angeles Seminole Hot Springs 457 Comment
  RSA003840  Chaenactis glabriuscula Fay A. MacFadden 1930-06 1993 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  SEINET3245917  Chaenactis glabriuscula R. G. Swinney 2008-1 8566 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  UCR277146  Chaenactis glabriuscula R. G. Swinney 2011-6-15 15207 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  UC894480  Chaenactis glabriuscula var. glabriuscula C. F. Baker 1904-5-1 4784 Los Angeles hills near Claremont Pacific Coast, Claremont Comment
  UCR207704  Chaenactis glabriuscula var. glabriuscula Justin M. Wood 2009-4-10 474 Los Angeles San Gabriel Mountains, foothills, city of San Dimas, San Dimas Wash just above the Puddingstone Diversion Dam and adjacent to the golf course 366 Comment
  CDA10722  Chaenactis glabriuscula var. glabriuscula G. D. Barbe, T. C. Fuller 1973-5-21 1387 Los Angeles 4 miles west of Four Points (Highway 138) on Pearblossom Highway at Small Road. Comment
  CAS-BOT-BC277832  Chaenactis santolinoides Rimo Bacigalupi; G. Thomas Robbins; L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts., Angeles National Forest 1554 Comment
  POM175384  Chaenactis santolinoides West 1930-7-12 s.n. Los Angeles Near north Baldy Peak. Comment
  UCR179967  Chaenactis stevioides R. G. Swinney 1996-5-27 4740 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  RSA660076  Chaenactis stevioides Orlando Mistretta 1992-5-25 418 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  SFV3816  Chaenactis xantiana W. G. Webb 1935-4-20 s. n. Los Angeles Mojave Desert Near Lancaster. Comment
  UCSB6435  Chaenactis xantiana Haller, John 1960-5-23 Los Angeles At junction of California 138 and U.S. 99, east of Gorman 1127 Comment
  SEINET5742466 Image available Chamaesyce albomarginata D. Ward 1970-1 61 Los Angeles City of Los Angeles, ca. .2 mile CSCLA on hillside near State College Dr..; Los Angeles 122 Comment
  POM9661  Chamaesyce melanadenia P. A. Munz, R. D. Harwood 1920-3-13 3289 Los Angeles San Jose Hills 5 mi. W. of Pomona. 305 Comment
  RSA598654  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1968-6-16 s.n. Los Angeles San Gabriel Mountains. Divide between Cucamonga Canyon and Stoddard Canyon. 1066 Comment
  UC450211  Chamaesyce serpyllifolia Geo. B. Grant 425 a Los Angeles Pasadena Comment
  CDA20448  Chasmanthe floribunda M. O'Brien 2003-2-16 s.n. Los Angeles South Coast; El Pescador State Beach in Malibu. 0 Comment
  RSA685710  Cheilanthes covillei L. E. Hoffman 1931-12-22 s.n. Los Angeles Chilao Flats, Angeles National Forest 2134 Comment
  CHSC114468  Chenopodium album R. F. Thorne 1970-10-15 41872 Los Angeles Rancho Santa AnaBotanic Garden 366 Comment
  UC56061  Chenopodium berlandieri J. H. Barber 1898-7-18 Los Angeles Santa Monica Forestry Station Comment
  UCR271130  Chenopodium berlandieri R. G. Swinney 2011-10-10 15742 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR273572  Chenopodium berlandieri R. G. Swinney 2011-10-25 15878 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
  CDA3045  Chenopodium botrys LeRoy Gross 1998-11-1 98 Los Angeles Southern base San Gabriel Mtns/ Verdugo Mountains region; Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. Comment
  UC1586209  Chenopodium botrys Tim Ross 1991-8-16 5801 Los Angeles 1/5 mi due e confluence of Lucas Creek (Angeles Forest Hwy); Condor Peak USGS 7.5' quad, Big Tujunga Canyon 917 Comment
  RSA279123  Chenopodium macrospermum var. farinosum R. F. Thorne, D. Propst 1974-9-12 45096 Los Angeles Santa Catalina Island. Thompson Reservoir. 213 Comment
  RSA478534  Chenopodium murale Blanche Trask 1900-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA478544  Chenopodium murale F. R. Fosberg 1930-6-26 S 3025 Los Angeles Lower Ballona Creek. 10 Comment
  UCR282024  Chenopodium murale R. G. Swinney 2014-5-21 16615 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
  RSA478541  Chenopodium murale E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Redondo Beach. Comment
  UCR252559  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA549598  Chorizanthe brevicornu var. brevicornu Tim S. Ross 1992-4-4 6062 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Back Butte; middle butte of the three. 969 Comment
  RSA586668  Chorizanthe brevicornu var. brevicornu Orlando Mistretta 1995-6-1 1740 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA709836  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin 2003-4-16 26060 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  JEPS57709  Chorizanthe parryi var. parryi Frank W. Peirson 1919-5-21 446 Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 381 Comment
  CAS-BOT-BC244663  Chorizanthe staticoides Alice Eastwood 1906-5-27 245 Los Angeles Roscoe Comment
  CAS-BOT-BC244672  Chorizanthe staticoides Javier Penalosa 1961-5-21 1507 Los Angeles San Gabriel Canyon Comment
  POM2199  Chorizanthe staticoides L. R. Abrams 1901-4-3 1274 Los Angeles Santa Monica Mountains. Comment
  RSA0025346  Chorizanthe staticoides Anuja Parikh, Nathan Gale 2011-6-29 3525 Los Angeles TR, SnGb, Upper Big Tujunga Canyon, 1.1 km WNW of Shortcut Station, 0.9 km N of State Highway 2 (Angeles Crest Hwy). 1263 Comment
  RSA392672  Chorizanthe staticoides Anstruther Davidson 1920-6-7 s.n. Los Angeles Acton. Comment
  RSA522441  Chorizanthe staticoides Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4064 Los Angeles NNE of Tie Summit Station and E of Angeles Forest Hwy., Tujunga Ranger District, Angeles Nat'l Forest. 1463 Comment
  UCR1468  Chorizanthe staticoides Bland Ewing 1961-3-30 5- 13 - Los Angeles San Gabriel Mtns., Brown Mtn. Fire Control Rd., Millard Canyon, Altadena 854 Comment
  UCSB1349  Chorizanthe staticoides Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi from 101 Comment
  UC1870209  Chorizanthe watsonii LeRoy Gross 2005-5-3 2255 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  UCD170171  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 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. 1122 Comment
  UCR281325  Chorizanthe watsonii R. G. Swinney 2014-4-30 16294 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
  RSA593003  Chorizanthe xanti var. xanti Steve Boyd, Orlando Mistretta 1996-5-1 8733 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail. 854 Comment
  RSA716889  Chorizanthe xanti var. xanti LeRoy Gross 2006-6-19 2520 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  SBBG121873  Chorizanthe xanti var. xanti A. Parikh, N. Gale 2005-6-15 775 Los Angeles Portal Ridge, 1 km NW of intersection of N2/Johnson Rd, 1 km SE of intersection of N2/Munz Ranch Rd 1035 Comment
  SBBG62285  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  SBBG62349  Chorizanthe xanti var. xanti R. Hoffmann 1932-4-26 Los Angeles N of Harold Comment
  CAS-BOT-BC36283  Chrysolepis sempervirens LeRoy Abrams; E. A. McGregor 1908-7-3 608 Los Angeles North Baldy Mountain, San Gabriel Mountains 2590 Comment
  CAS-BOT-BC284435  Cirsium brevistylum Geo. B. Grant 1901-6-23 s.n. Los Angeles Pasadena Comment
  JEPS59145  Cirsium occidentale var. californicum Frank W. Peirson 1918-6-1 248 Los Angeles San Gabriel Mts., Eaton Canyon 640 Comment
  LA35975  Cirsium occidentale var. californicum Peter H. Raven; 1959-5-9 Los Angeles Santa Monica Mountains, Medea Creek, Malibu Creek, near mouth 45 Comment
  RSA0105001  Cirsium occidentale var. californicum R. G. Swinney 2011-5-19 14770 A Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA597452  Cirsium occidentale var. californicum Timothy S. Ross, J. Mark Porter 1995-5-4 8418 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR127639  Cirsium occidentale var. californicum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2913 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR223776  Cirsium occidentale var. californicum R. G. Swinney 2009-6-17 11156 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA0070682  Cirsium occidentale var. californicum R. F. Thorne 1966-4-30 36344 Los Angeles Santa Catalina Island: mouth of Gallagher's Canyon. 8 Comment
  RSA188187  Cirsium occidentale var. compactum R. F. Thorne, Everett 1965-6-22 34893 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  OBI16735  Cirsium occidentale var. occidentale Ron Pecoff 1961-5-1 s.n. Los Angeles Santa Monica Mts, Stunt Rd, near Saddle peak Comment
  SBBG95914  Cirsium occidentale var. occidentale M. B. Dunkle 1939-4-3 7227 Los Angeles Chenetti Cyn Comment
  RSA596702  Cirsium vulgare Steve Boyd, Lauren Raz 1996-9-24 8930 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
  RSA596925  Cirsium vulgare Scott D. White 1995-5-9 3007 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property. 457 Comment
  JEPS30352  Cirsium vulgare Peter H. Raven 1962-7-14 18046 Los Angeles Botanic Garden, Claremont Claremont, Botanic Garden 320 Comment
  RSA643147  Cistanthe monosperma Orlando Mistretta 1993-6-24 885 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  RSA164776  Cistanthe monosperma Wesley O. Griesel 1963-6-27 834 Los Angeles Ridge betw Dawson Saddle & Throop Peak, San Gabriel Mts. 2591 Comment
  RSA221570  Cistus incanus Arthur C. Gibson 1971-3-24 1737 Los Angeles near beginning of road into Cobal Canyon NE of Claremont. Comment
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Aug 15 2014
  UCR136895  Clarkia dudleyana Michael D. Wilcox 2003-6-24 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR211813  Clarkia dudleyana Valerie Soza, LeRoy Gross 2001-5-22 1239 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 648 Comment
  RSA430216  Clarkia purpurea subsp. quadrivulnera Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mountains, Rd N3 at mile marker 20.28, vicinity of Hidden Springs, Angeles National Forest. Comment
  RSA448324  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  RSA779205  Clarkia rhomboidea R. G. Swinney 2009-6-3 11061 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA648038  Clarkia unguiculata Orlando Mistretta 1992-7-13 674 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UC930696  Clarkia unguiculata Louis C. Wheeler 1932-5-25 759 Los Angeles Sepulveda Canyon Santa Monica Mts. 243 Comment
  UCR258923  Clarkia unguiculata R. G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCR143554  Clarkia xantiana subsp. xantiana Orlando Mistretta, Steve Boyd 1995-5-23 1730 Los Angeles Transverse Ranges; San Gabriel Mtns., Bare Mountain Canyon 1905 Comment
  RSA0113304  Clarkia xantiana subsp. xantiana Lyman Benson 1947-6-10 12519 Los Angeles Indian Hill, Claremont. 426 Comment
  UCR192162  Claytonia exigua subsp. exigua A. C. Sanders 2008-4-18 34965 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  UCR277136  Claytonia parviflora R. G. Swinney 2010-6-8 13227 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA466714  Claytonia parviflora subsp. parviflora Joseph A. Ewan 1931-5-30 4238 Los Angeles Hermit Trail, Big Santa Anita Canyon 427 Comment
  RSA466711  Claytonia parviflora subsp. utahensis Robin S. Collins 1973-4-9 230 Los Angeles Angeles National Forest, San Gabriel Mounts: Trail Canyon. 610 Comment
  RSA729662  Claytonia perfoliata R. G. Swinney 1998-7-2 6261 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  UCR155378  Claytonia perfoliata A. C. Sanders, T. B. Salvato 2005-5-24 30268 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA670426  Claytonia perfoliata I. W. Clokey, Bonnie C. Templeton 1929-03 4525 Los Angeles Mandeville Canyon, Santa Monica Mountains. 275 Comment
  SD66883  Claytonia perfoliata subsp. perfoliata R. Mitchel Beauchamp 1967-3-18 270 Los Angeles Bed of canyon below Lemon Tank, San Clemente Island Comment
  POM156326  Clematis lasiantha L. R. Abrams 1902-7-1 2610 Los Angeles Mt. Wilson. 1524 Comment
  RSA578838  Clematis lasiantha Tim S. Ross, Darin Banks 1994-4-13 7529 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  RSA724610  Clematis lasiantha K. Dobry 1991-5-2 564 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  SFV6208  Clematis lasiantha R. M. Muran 1974-3-24 47 Los Angeles Santa Monica Mountains Rustic Canyon. 412 Comment
  UC1922477  Clematis lasiantha Valerie Soza, Miriam Sidibeh 2003-3-26 1622 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr, SSW of Flint Peak. 564 Comment
  UCR270474  Clematis ligusticifolia R. G. Swinney 2011-11-1 15937 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  RSA599584  Cleome isomeris Steve Boyd, Lauren Raz 1997-3-25 9311 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  POM93650  Cleome isomeris George B. Grant s.n. Los Angeles Santa Catalina Island, Avalon. Comment
  RSA603000  Cleome isomeris L. C. Wheeler 1933-4-27 1673 Los Angeles N base San Pedro Hills near Walteria. 30 Comment
  POM187467  Cnicus benedictus L. C. Wheeler 1933-6-24 1879 Los Angeles Tujunga (Town) 533 Comment
  RSA229096  Collinsia callosa Robert F. Thorne, C. W. Tilforth 1971-6-30 40766 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  HSC20592  Collinsia heterophylla C. S. Apperson 1966-4-29 4 Los Angeles Tapia Park vicinity near Malibu Cyn. in Santa Monica Mnts. Comment
  LA52027  Collinsia heterophylla Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  CAS-BOT-BC59714  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-1-18 1388 Los Angeles Santa Monica Mts. 3.1 mi. n. of highway 1 along Topanga Can. Blvd. Comment
  UC1605247  Conium maculatum Tim Ross 1992-6-15 6559 Los Angeles Whittier Hills (local name for w extremity of Puente Hills), upper end of Turnbull Canyon Turnbull Canyon; Whittier Hills, Turnbull Canyon 298 Comment
  SD85060  Constancea nevinii E. R. Blakley 1962-6-9 5200 Los Angeles San Clemente Island; canyon west of road, 2I(c) miles north of China Point. 180 Comment
  SD181586  Convolvulus arvensis Valerie Soza, Kent Hughes 1999-6-4 472 Los Angeles San Gabriel Mountains, foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. Open flat grassland on ridgetop, in clay soil. 366 Comment
  RSA258354  Convolvulus arvensis C. W. Tilforth 1972-6-2 567 Los Angeles Botanic Garden Comment
  RSA652777  Convolvulus arvensis S. Koukol, T. Struve 1998-4-15 4 Los Angeles Pomona, S of jct. of W. Temple Avenue and S. Campus Drive, E of San Jose Creek (concrete wash) 215 Comment
  RSA620045  Conyza canadensis LeRoy Gross 1998-10-16 89 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  UC1595376  Cordylanthus rigidus subsp. setiger Tim Ross 1992-7-16 6698 Los Angeles 134 deg se and 1020 m distant from Iron Mtn summit (on ridgeline between Iron Mtn and Condor Peak); San Gabriel Mountains 1478 Comment
  JEPS32966  Coreopsis bigelovii E. R. Blakley 1958-5-9 2269 Los Angeles hills 2 mi e Gorman 1097 Comment
  UCR187205  Coreopsis bigelovii A. C. Sanders 2006-4-21 32146 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  POM356127  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 5375 Los Angeles Middle Ranch Canyon; Santa Catalina Island. 200 Comment
  SBBG60553  Corethrogyne filaginifolia R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UC485378  Corethrogyne filaginifolia R. L. Pendleton 1909-7-3 1394 Los Angeles canyon s Avalon; Santa Catalina Island 60 Comment
  UC63363  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  UCR247995  Corethrogyne filaginifolia David J. Keil 1986-9-27 19737 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  RSA603819  Corethrogyne filaginifolia var. peirsonii Steve Boyd 1997-9-17 10035 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. 915 Comment
  SEINET11837157  Corethrogyne filaginifolia var. viscidula J. F. Bright, Wyman, C. 1931-1 5665 Los Angeles Hollywood Comment
  UCR17974  Cornus nuttallii Dr. H. de Forest 1931-1 s.n. Los Angeles Western Transverse Range, 'Los Padres' [Angeles] National Forest, Ridge Route Comment
  RSA787099  Coronilla valentina subsp. glauca Danielle LeFer 2012-5-23 s.n. Los Angeles Abalone Cove Reserve in Rancho Palos Verdes. Approximately 3 miles East of Palo Verdes Drive South from Hawthorne Boulevard. Right side of road in disturbed area. 61 Comment
  SD90457  Coronopus didymus Robert F. Thorne 1971-2-21 41375 Los Angeles Rancho Santa Ana Botanic Garden, Claremont. Comment
  RSA675002  Cotula australis LeRoy Gross 2003-2-22 732 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  CAS-BOT-BC287263  Cotula australis Louis C. Wheeler 1932-5-7 687 Los Angeles UCLA Campus, West Los Angeles 137 Comment
  PASA940  Cotula australis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UCR219905  Crassula colligata subsp. lamprosperma R. G. Swinney 2009-4-17 10384 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
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Jul 11 2016
  RSA675820  Crassula connata LeRoy Gross 2003-3-7 771 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  CAS-BOT-BC427961  Crassula tillaea A. C. Sanders 2003-3-14 25775 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 171 Comment
  POM244925  Cressa truxillensis F. R. Fosberg 1931-5-16 S- 4880 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  UCR73125  Cressa truxillensis Scott D. White 1992-10-9 944 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, base of mtns., just north of Pacific Coast Hwy, extending as far E as Malibu Creek. Bounded by the Civic Center Road; terminates on the W in vicinity of Malibu School 30 Comment
  NY268578  Crossosoma californicum B. Trask 02 1896 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA397738  Crossosoma californicum Mark Parratt 1965-1-26 642 Los Angeles Santa Catalina Island near the Isthmus area. 0 Comment
  RSA305935  Croton californicus Fay A. MacFadden 1934-2-21 12441 Los Angeles Culver City. Comment
  SBBG12798  Croton setiger E. R. Blakley 1962-10-3 5369 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  CDA35296  Croton setiger Phillipson 1915-6-8 Los Angeles Monrovia. Comment
  UCR216687  Cryptantha Dan S. Cooper 2010-4-19 410- 50 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail between Mt. Hollywood and the observatory, Griffith Park 410 Comment
  CAS-BOT-BC189398  Cryptantha circumscissa Timothy S. Ross; J. Mark Porter 1994-5-1 7569 Los Angeles SW Mojave Desert: ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  POM368355  Cryptantha clevelandii E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA775871  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-5-26 5206 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  LA31591  Cryptantha intermedia Henry J. Thompson; 1959-5-24 2033 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi E of peak. 670 Comment
  LA94299  Cryptantha intermedia Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG63815  Cryptantha intermedia R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  UCR270963  Cryptantha intermedia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14322 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  SBBG19190  Cryptantha maritima M. A. Piehl 1963-12-7 631032 Los Angeles point opposite Pyramid Head on SE tip of island 13 Comment
  UC79500 Image available Cryptantha maritima T. S. Brandegee 1890-5-20 Los Angeles Santa Catalina Island Comment
  UC1584224  Cryptantha micrantha Tim Ross and Steve Boyd 1990-5-17 2598 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest, Tujunga District 1612 Comment
  RSA0049489  Cryptantha micromeres Richard G. Swinney 2010-5-7 12610 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy, overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0060816  Cryptantha microstachys LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6964 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
  UCR177284  Cryptantha microstachys Scott D. White, Michael Honer 2003-5-7 9217 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  POM3900  Cryptantha muricata D. L. Crawford 1916-3-1 s.n. Los Angeles Mts. above Claremont along trail. 914 Comment
  UC1212093  Cryptantha muricata Peter H. Raven and David Verity 1960-5-7 15320 Los Angeles Arroyo Sequit, about 2 mi from ocean Santa Monica Mountains 91 Comment
  UCR126569  Cryptantha muricata A. C. Sanders, Andy Thomson 2003-4-15 25987 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA0079122  Cryptantha muricata var. denticulata R. F. Thorne, John Olmstead 1965-8-26 35379 Los Angeles San Gabriel Mts.: Angeles National Forest, Camp Lupine near Prairie Fork. 2012 Comment
  RSA0079200  Cryptantha muricata var. denticulata Henry J. Ramsey 1937-6-27 917 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  RSA0079567  Cryptantha muricata var. jonesii Michael Denslow, Steve D. Boyd 2003-5-7 1084 Los Angeles San Gabriel Mountains region: Glendora Ridge Motorway (1N26) west of intersection with Glendora Mountain Road (2N08). 762 Comment
  UCR73384  Cryptantha muricata var. muricata T. S. Ross 1991-8-14 5762 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  RSA0079572  Cryptantha muricata var. muricata L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Bad Canyon at Santa Clara Divide Road. 1303 Comment
  UCR203205  Cryptantha nevadensis var. rigida R. G. Swinney 2005-5-21 8246 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR194617  Cryptantha oxygona R. G. Swinney 1999-5-1 7089 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  RSA709634  Cryptantha similis LeRoy Gross 2005-4-28 2115 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
  SEINET10682282  Cucurbita Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2512 Los Angeles City of Pasadena. Farmers Family Food Mart, 452 N. Los Robles. Comment
  UC1602382  Cucurbita foetidissima Louis C. Wheeler 1931-8-22 10 Los Angeles 2 mi. n.-n.e. La Verne 402 Comment
  UCR116706  Cupaniopsis anacardioides Sharon Dougherty 2001-7-3 s.n. Los Angeles San Gabriel Mtns. (foothills), Pasadena, Cal Tech (Jet Propulsion Laboratory) 457 Comment
  UCR146260  Cupressus guadalupensis var. forbesii Steve Boyd, Lee W. Lenz 2001-5-2 10425 Los Angeles Transverse Ranges; Liebre Mountains region, Warm Springs Mountain, along road to summit, just west of cutoff to Necktie Basin on slope between road and steep escarpment into Warm Springs Canyon Comment
  IRVC26332  Cuscuta californica A. C. Sanders, Andy Thompson 2003-4-15 25992 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA5262  Cuscuta salina C. B. Wolf 1932-9-16 4089 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  LA202427  Cuscuta salina var. major Arthur C. Gibson; 2004-8-5 3399 Los Angeles Santa Monica Mountains, Malibu Lagoon 0 Comment
  RSA166489  Cuscuta subinclusa W. G. Webb 1935-3-3 s.n. Los Angeles Glenoaks, Glendale Comment
  RSA729542  Cycladenia humilis R. G. Swinney 1998-9-7 6941 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR24273  Cycloloma atriplicifolium John C. Roos 1937-9-29 s.n. Los Angeles San Gabriel Valley, near the San Gabriel River, in El Monte 91 Comment
  CATA104  Cynodon dactylon Peter Henrikson 1987-4-23 77 Los Angeles Santa Catalina Island: Behind Ben Weston Beach 6 Comment
  UCR257228  Cynosurus echinatus LeRoy Gross 2012-6-17 5551 Los Angeles Transverse Ranges; San Gabriel Mountains, along trail and benches of the creek bottom, near Idlehour campground, upper Eaton Canyon 808 Comment
  LA33963  Cyperus eragrostis Peter H. Raven; Henry J. Thompson 1959-9-6 14407 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  RSA365054  Cyperus eragrostis Anstruther Davidson 1923-9-1 s.n. Los Angeles Montebello. Comment
  POM264738  Cystopteris fragilis L. C. Wheeler 1932-5-28 775 Los Angeles San Gabriel Mtns.: Cascade Canyon off San Antonio Canyon. 1112 Comment
  SD90219  Datisca glomerata R. F. Thorne, M. Z. Thorne 1968-11-9 37858 Los Angeles Angeles National Forest, San Gabriel Mts, W slope of Mt. Islip 1830 Comment
  UCD107703  Datisca glomerata Robert F. Thorne; Larry DeBuhr 1974-6-28 44772 Los Angeles San Gabriel Mts., Angeles National Forest: Datisca Gully, c. 2 mi. S of Islip Saddle on W-facing slope of Mt. Islip. 1828 Comment
  UCR186661  Datura wrightii A. C. Sanders 2006-5-16 32351 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR86830  Datura wrightii Scott D. White 1995-4-27 2953 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  POM50352  Daucus pusillus L. R. Abrams 1901-4-11 1488 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  SD39637  Daucus pusillus Edith A. Purer 1932-4-23 2772 Los Angeles Dunes, El Segundo. Comment
  SDSU19661  Deinandra clementina Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas, Mike Walgren 2000-7-19 2189 Los Angeles San Clemente Island, ca. 0.2 mile south from the end of road that runs south from Eel Point. 69 Comment
  CAS-BOT-BC299281  Deinandra fasciculata H. M. Hall 1905-6-1 6256 Los Angeles San Francisquito Canyon Comment
  CATA29  Deinandra fasciculata USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 12 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  SD69731  Deinandra fasciculata Robert F. Thorne 1966-4-28 36243 Los Angeles Santa Catalina; near junction of Wrigley Drive and Renton Mine Road. 105 Comment
  UC1587209  Deinandra fasciculata Tim Ross 1991-5-20 5361 Los Angeles uppermost reaches Wilson Cove Canyon drainage (3300 ft nw of the 750 ft BM); San Clemente Island 141 Comment
  CAS-BOT-BC131017  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles Santa Susana Pass Comment
  SBBG118878  Delairea odorata S. D. White with J. Green 2004-4-23 10232 Los Angeles Arroyo Seco at La Loma Rd bridge crossing, Pasadena 213 Comment
  UC854075  Delphinium cardinale Ira W. Clokey, B. Templeton 1929-8-1 4601 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  POM254332  Delphinium cardinale Muriel F. Wheeler 1938-7-23 s.n. Los Angeles San Dimas Canyon Wash, 1/2 mile northeas of San Dimas County Park. Comment
  UCR272850  Delphinium glaucum R. G. Swinney 2011-7-29 15560 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA586992  Delphinium parishii subsp. parishii Orlando Mistretta 1992-5-8 304 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA600075  Delphinium parishii subsp. parishii Steve Boyd, Lauren Raz 1997-5-20 9830 Los Angeles Liebre Mountains region: ''Radio Tower Summit'' of Liebre Mountain on the divide between Horse Camp Canyon and Castaic Creek drainages. 1756 Comment
  UCR65264  Delphinium parryi F. R. Fosberg 1932-5-5 08120 Los Angeles Santa Catalina Island, Canyon above Villa Park. Avalon 50 Comment
  SBBG71776  Delphinium parryi subsp. parryi R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, W of Bob's Place Comment
  LA38282  Delphinium parryi subsp. parryi Carl Epling; 536 Los Angeles Comment
  RSA29728  Delphinium parryi subsp. parryi Louis C. Wheeler 1932-5-29 793 Los Angeles Liveoak Canyon [Live Oak Canyon], San Gabriel Mountains. 419 Comment
  UCR193678  Delphinium patens R. G. Swinney, Dave Larson 1999-5-15 7143 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  RSA0030040  Delphinium patens subsp. montanum Tim S. Ross, W. Appleby 1993-5-20 7200 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  SBBG98551  Delphinium variegatum subsp. thornei T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5312 Los Angeles between Box Cyn and Horse Cyn 477 Comment
  SBBG95438  Dendromecon harfordii M. B. Dunkle 1928-4-21 1878 Los Angeles Renton Mine Hill Comment
  RSA433207  Dendromecon rigida N. C. Cooper 1949-6-18 4215 Los Angeles Angeles Crest Highway 762 Comment
  RSA66283  Dendromecon rigida F. W. Peirson 1921-3-3 4320 Los Angeles Arroyo Seco, near Pasadena 351 Comment
  RSA753985  Dendromecon rigida Doug Tolbert 1970-5-3 700503 -01 Los Angeles Angeles National Forest: Saugus district, Boquet Canyon road, 1 miles E of Artesian Springs campground along disturbed roadside at the hairpin turn. 1372 Comment
  RSA600140  Deschampsia danthonioides Steve Boyd, Lauren Raz 1997-5-29 9921 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UC9923  Dicentra chrysantha J. H. Barber 1897-6-29 214 Los Angeles Bear Creek Comment
  RSA433597  Dicentra ochroleuca N. C. Cooper 1945-5-1 2183 Los Angeles Santa Monica Mountains 762 Comment
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Jun 23 2016
  CAS-BOT-BC499438  Dichelostemma capitatum Reid Moran 1941-2-17 580 Los Angeles West side of arroyo, Middle Ranch, San Clemente Island Comment
  CAS-BOT-BC499442  Dichelostemma capitatum D. W. Kyhos 1962-2-22 62 -11 Los Angeles Palos Verdes Comment
  CHSC8384  Dichelostemma capitatum subsp. capitatum Edward L. Smith 1957-4-4 46 Los Angeles Located at Claremont. 365 Comment
  CAS-BOT-BC152889  Diplacus brevipes C. F. Baker 1909-5-15 5322 Los Angeles Mts. near Claremont Comment
  SEINET13697755  Diplacus brevipes G. B. Grant 1901-1 424 Los Angeles Pasadena. Comment
  SEINET14453299  Diplacus johnstonii Noel H. Holmgren, James L. Reveal 1966-1 2615 Los Angeles San Gabriel Mountains, 2 miles northwest of Mt. Wilson 1646 Comment
  CAS-BOT-BC150855  Diplacus puniceus Reid Moran 1941-2-26 628 Los Angeles Johnson's Valley, Santa Catalina Island 100 Comment
  SBBG31062  Distichlis littoralis R. F. Thorne 1965-5-11 34535 Los Angeles Ballast Pt on E side of Catalina Harbor Comment
  CAS-BOT-BC43584  Dithyrea californica Timothy S. Ross 1991-4-27 4689 Los Angeles Mojave Desert. Ca. 0.85 mile west of Three Sisters & 1.2 mile south of Black Butte. 947 Comment
  UCSB2312  Dithyrea californica Broder, Richard 1958-03 Los Angeles On U.S. 138, 21 miles N.W. of junction U.S. 138 with U.S. 395 Comment
  POM68290  Dodecatheon clevelandii subsp. clevelandii Verne Grant, Alva Grant 1951-3-23 15976 Los Angeles Foothills north of Claremont 579 Comment
  RSA69036  Dodecatheon redolens F. W. Peirson 1921-7-17 2516 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  UCR202691  Dodecatheon redolens R. G. Swinney 2001-8-11 8033 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  LA200108  Dryopteris arguta Lawrence L. Kiefer; 1966-4-16 1878 Los Angeles SANTA MONICA MOUNTAINS, Caballero Creek, S of Tarzana, ca. 1 mi S of the end of Reseda Blvd. 304 Comment
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  SD106236  Dudleya cymosa subsp. agourensis K. Nakai 1980-5-25 606 Los Angeles Santa Monica Mountains, 0.4 km north of junction of Agoura Rd. and Cornell Road on northwest-facing conglomerate rock road embankment. 274 Comment
  CAS-BOT-BC428122  Dudleya cymosa subsp. cymosa L. R. Abrams 1901-7-1 1903 Los Angeles Wilson's Peak Comment
  RSA423500A  Dudleya cymosa subsp. pumila Anstruther Davidson 1915-8-1 s.n. Los Angeles Camp Baldy. Comment
  RSA423509  Dudleya cymosa subsp. pumila L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA695505  Dudleya cymosa subsp. pumila Valerie L. Soza, Sarah J. De Groot 2003-6-18 1689 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
  RSA83396  Dudleya cymosa subsp. pumila F. W. Peirson 1918-5-26 452 Los Angeles toll road to Mt. Wilson Comment
  UC1178503  Dudleya cymosa subsp. pumila Peter Kamb 1947-5-25 531 Los Angeles above Sunset Ridge guard station (Millard's Canyon); San Gabriel Mtns 670 Comment
  UCSB2528  Dudleya farinosa Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon; 2 mi. from Hwy. 101 Comment
  UC2059989  Dudleya lanceolata K. Nakai 1981-6-24 778 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  SBBG98520  Dudleya virens T. Ross 1991-5-23 5492 Los Angeles lower Tota Cyn, E escarpment 76 Comment
  LA204795  Dudleya virens Kei Nakai; 1978-1-22 209 Los Angeles Pt. Vincente, Palos Verdes Hill 6.0 Comment
  SBBG65266  Dysphania ambrosioides F. Davis -Jul-1928 109 Los Angeles Verdugo Wash, Glendale 243 Comment
  RSA728332  Echinochloa crus-galli Gary D. Wallace 1979-8-9 1874 Los Angeles Arcadia: weedlot, SW corner of Baldwin Ave. and Foothill Blvd. Comment
  SEINET8724865 Image available Echinocystis macrocarpa F. R. Fosberg 1931-1 S 4287 Los Angeles Hamilton Canyon, Santa Catalina Island, Los Angeles Co. Alt. 10 m. 10 Comment
  UCR142740  Eclipta prostrata L. C. Wheeler 1966-10-27 9100 Los Angeles San Gabriel Mtns, Angeles National Forest; West Fork San Gabriel River at [Rincon Station] Camp Rincon 457 Comment
  RSA605809  Eclipta prostrata L. C. Wheeler 1966-10-25 9084 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA0045496  Ehrharta calycina Wendy Boes 2009-3-26 2009 -053 Los Angeles San Gabriel Mountains; Johnstone Peak Spur, Forest Service Raod 1N17. 822 Comment
  UCR91215  Ehrharta erecta Scott D. White 1996-3-18 3840 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  CAS-BOT-BC112850  Eleocharis macrostachya Joseph Cook (Rev.) Nevin 1904-5-1 s.n. Los Angeles Los Angeles River Comment
  RSA0108859  Eleocharis macrostachya Steven A. Junak 1998-6-12 SCa- 729 Los Angeles Santa Catalina Island: On E side of Catalina Harbor. 36 Comment
  SEINET3911387  Eleocharis montevidensis Timothy S. Ross, Steve Boyd 1994-5-24 7839 Los Angeles Cottonwoodd Swamp': confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Warm Springs Mountain 7.5' USGS Quadrangle. dissected by San Francisquito canyon Road.; 0 512 Comment
  UCR149913  Eleocharis parishii R. G. Swinney 1997-6-19 5613 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  LA103199  Elymus condensatus Barry A. Prigge; 1985-6-14 6423 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail below Murphy Ranch site. 597 Comment
  RSA772299  Elymus elymoides R. G. Swinney 2009-4-28 10536 Los Angeles summit of Mt. Emma 1585 Comment
  RSA91966  Elymus elymoides subsp. californicus F. W. Peirson 1922-7-6 3153 Los Angeles Pleasant View Ridge, San Gabriel Mountains. 2561 Comment
  POM365343  Elymus glaucus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  RSA127890  Elymus glaucus P. H. Raven, H. J. Thompson 1959-5-5 14160 Los Angeles Santa Monica Mountains. 4.9 miles west of Tapia Park on Mulholland Drive. 320 Comment
  RSA547438  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-17 6364 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to the E fork of the San Gabriel river and joining it at 2125 feet elevation 689 Comment
  RSA600557  Elymus glaucus subsp. glaucus L. C. Wheeler 1954-9-1 7073 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA669333  Elymus glaucus subsp. glaucus LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 557 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  SEINET13276844 Image available Elymus hispidus R. G. Swinney 2011-1 15509 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  SD38368  Elymus triticoides Edith A. Purer 1933-5-30 4999 Los Angeles Sand dunes, Playa del Rey , on lee side of moving dune Comment
  UCR50877  Elymus triticoides A. C. Sanders 1988-5-18 7841 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA549601  Emmenanthe penduliflora Tim S. Ross 1992-4-4 6065 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  SBBG55750  Encelia actoni D. Keil 1976-12-12 11897 Los Angeles ca. 5 mi W of San Bernardino county line, along St Hwy 138 1127 Comment
  SFV21074  Encelia farinosa L. Gross 2001-3-16 342 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. 701 Comment
  UCR88693  Encelia farinosa Scott D. White 1995-10-19 3703 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SEINET11736595  Ephedra aspera D. P. Reagan 1974-1 28 Los Angeles Pyramid Lake, 1 mi N of Castaic Comment
  RSA590074  Ephedra nevadensis Orlando Mistretta 1994-3-30 979 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA728298  Ephedra nevadensis G. D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1953 Los Angeles Fort Tejon Road Comment
  SBBG32268  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 822 Comment
  UCR123643  Ephedra nevadensis Steven R. Hill, K. Kramer 2001-4-22 33362 Los Angeles San Gabriel Mtns./SW Mojave Desert, Elizabeth Lake Road, 9.7 mi by road SSW of the junction with Johnson Road, vicinity of Bee Canyon 549 Comment
  SEINET7047913  Ephedra nevadensis Steven R. Hill, Kate Kramer 2001-4-22 33362 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  UC284271  Ephedra viridis P. A. Munz 1923-5-27 6876 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek 1295 Comment
  SD252358  Epilobium Steven A. Junak 1999-7-16 Sca 1055 Los Angeles Santa Catalina Island: Lower part of Cottonwood Canyon, below waterfall; in moist canyon bottom. 11 Comment
  UCR223289  Epilobium brachycarpum R. G. Swinney 2009-7-23 11385 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
  UCR281792  Epilobium canum Mitch Provance, Scott Duff 2017-6-29 617- 51 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, SCE corridor, vicinity of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  LA200707  Epilobium canum subsp. canum Martha Hilend Kinsey; 1935-11-16 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  POM308929  Epilobium canum subsp. canum Kay H. Beach 1943-10-27 683 Los Angeles Second large side canyon on west of Monroe. San Dimas Experimental Forest. 655 Comment
  RSA550706  Epilobium canum subsp. canum Tim S. Ross, Annette Ross 1991-7-29 5687 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA601687  Epilobium canum subsp. canum Louis C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  SD31215  Epilobium canum subsp. canum Edith A. Purer 1932-8-31 4865 Los Angeles Palos Verdes Hills. Comment
  UC126822  Epilobium canum subsp. canum J. and H. W. Grinnell 1906-9-6 375 Los Angeles near Pasadena (bank of arroyo); Arroyo Seco Comment
  UC20671  Epilobium canum subsp. canum J. Burtt Davy October, 1896 2730 A Los Angeles Santa Monica Comment
  UC55379  Epilobium canum subsp. canum J. H. Barber 1897-11-18 39 Los Angeles Santa Monica Forestry Station Comment
  CAS-BOT-BC482467  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-7 13719 Los Angeles San Gabriel Mountains: NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UC1584052  Epilobium canum subsp. latifolium Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4055 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy; w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1463 Comment
  UCR271858  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-6-23 15300 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA0031753  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Christine Mistretta 2008-5-5 2642 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Area 19 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 320 Comment
  RSA732925  Epilobium ciliatum subsp. glandulosum R. G. Swinney 1999-8-14 7627 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA229007  Epilobium densiflorum Robert F. Thorne, C. W. Tilforth 1971-6-30 40821 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA716481  Epilobium densiflorum Scott D. White, Andrea Warniment 2006-7-7 11619 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  UCR202724  Epilobium glaberrimum R. G. Swinney, Cody Clarke 2001-8-22 8080 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA286788  Epilobium glaberrimum subsp. glaberrimum Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44761 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  UC1174781  Epipactis gigantea P. C. Everett and E. K. Balls 1960-5-30 24132 Los Angeles 2.5 mi from Azusa; San Gabriel Canyon 243 Comment
  RSA600600  Epipactis gigantea Louis C. Wheeler 1968-9-3 s.n. Los Angeles San Gabriel Mountains: Widman Ranch, near house. Comment
  UCD135426  Equisetum hyemale subsp. affine Kenneth A. Wilson 1961-3-14 1031 Los Angeles Santa Monica Mtns., Mulholland Hwy, 2 miles west of Sulphur Hot Springs. Comment
  RSA609585  Equisetum hyemale var. affine L. C. Wheeler 1968-8-8 s.n. Los Angeles San Gabriel Mountains: About 1/2 mile downstream from trail camp in Devils Canyon. 1189 Comment
  UCR239950  Equisetum laevigatum R. G. Swinney 2009-11-16 11641 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  LA94018  Equisetum laevigatum Lawrence L. Kiefer; 1966-3-19 1747 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, 1.5 from mouth. 91 Comment
  RSA684641  Equisetum laevigatum B. C. Templeton 1934-10-13 4796 Los Angeles Los Angeles River Comment
  UCR207976  Equisetum telmateia L. C. Wheeler 1933-10-7 2164 Los Angeles Transverse Ranges; San Gabriel Mountains, Liveoak Canyon 686 Comment
  POM352253  Eragrostis pectinacea Robert M. Perkins 1936-5-26 179 Los Angeles West L.A. Comment
  UC132312  Eremocarpus setiger J. and H. W. Grinnell 1906-8-26 363 Los Angeles vacant lot near Pasadena Comment
  RSA421547  Eremocarpus setiger L. C. Wheeler 1931-8-2 S 41 Los Angeles foothills, 1/4 mi E Liveoak Canyon 488 Comment
  OBI28060  Eremothera David J. Keil, Dirk Walters 1977-4-30 12306 Los Angeles Ridge Rte ca 2 mi S of jctn with Los Angeles Co Rd N-2 1128 Comment
  UCR223391  Eriastrum densifolium R. G. Swinney 2009-7-22 11359 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR126223  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-22 140 Los Angeles Mojave Desert/San Gabriel Mtns., County Hwy S4 (204th St. East), 7.4 km south of Hwy 138, northern mouth of Grandview Canyon, along west side of Hwy S4 1396 Comment
  UCSB46871  Eriastrum eremicum Lawrence, M. 1982-5-20 Los Angeles Junction of Interstate 5 and Hungry Valley Road. 2 miles south of Tejon Pass 914 Comment
  RSA0120066  Eriastrum eremicum subsp. eremicum H. E. Hasse 1906-6-1 s.n. Los Angeles Big Rock Creek. Comment
  IRVC28993  Eriastrum sapphirinum A. C. Sanders 2003-6-18 26935 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  UC84337  Eriastrum sapphirinum Katharine Brandegee May 1899 Los Angeles Ravenna Comment
  UCR189263  Eriastrum sapphirinum subsp. ambiguum R. G. Swinney 1998-5-16 6065 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA0110984  Eriastrum sapphirinum subsp. brevibracteatum R. F. Thorne, Dick Tilforth 1978-6-21 52326 Los Angeles San Gabriel Mountains: N of Bob's Gap Comment
  RSA0121269  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Pam De Vries 1998-6-23 6766 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 Canyon. 549 Comment
  CAS-BOT-BC514985  Eriastrum sapphirinum subsp. dasyanthum Muriel F. Wheeler 1938-6-13 860 Los Angeles San Dimas Wash, 1/2 mi NE of San Dimas County Park 350 Comment
  CAS-BOT-BC514993  Eriastrum sapphirinum subsp. dasyanthum Ernest Braunton 1902-7-1 547 Los Angeles Sherman Comment
  SBBG58322  Eriastrum sparsiflorum R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  SEINET3816024 Image available Eriastrum virgatum Ira W. Clokey, B. Templeton May 1929 4551 Los Angeles Santa Monica Mountains; Mandeville Canyon 500 Comment
  RSA606183  Ericameria cooperi Leota Brice 1930-5-22 s.n. Los Angeles Palmdale. Comment
  UCR277221  Ericameria cooperi R. G. Swinney 2010-6-1 13171 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
  RSA593487  Ericameria cuneata Steve Boyd, Orlando Mistretta, Valerie L. Sosa 1996-6-12 8842 -B Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  UCR242058  Ericameria ericoides Dan S. Cooper 2012-8-6 812- 54 Los Angeles South Coast, Culver City, northeastern edge of West Los Angeles College campus, along powerline right-of-way within and adjacent to Baldwin Hills oil fields 55 Comment
  RSA127988  Ericameria ericoides var. ericoides H. J. Thompson 1958-10-23 1819 Los Angeles Point Dume. 30 Comment
  LA98869  Ericameria linearifolia E. R. Hobbs; 1979-6-25 79- 94 Los Angeles Antelope Valley, Palmdale, NW corner of Avenue P and 30th Street Comment
  RSA316365  Ericameria linearifolia R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54991 Los Angeles 2.5 miles S of Llano 1158 Comment
  RSA725088  Ericameria linearifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -4 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR193991  Ericameria linearifolia R. G. Swinney 1999-6-5 7243 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR259649  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-7 13676 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
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Oct 12 2018
  RSA748458  Ericameria nauseosa var. oreophila R. G. Swinney 2001-8-18 8058 Los Angeles Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge. 2250 Comment
  UCD131478  Ericameria nauseosa var. oreophila Gordon Pilone 1960-10-13 51 Los Angeles 3/4s mile north of Ranger Station in San Antonio Canyon on old road. San Gabriel Mountain range. 762 Comment
  PASA1709  Ericameria palmeri Stason 1931-5-9 Los Angeles near Willow Springs Comment
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Apr 30 2015
  POM359435  Ericameria palmeri var. pachylepis F. R. Fosberg 1931-9-16 819 Los Angeles Baldwin Hills. 50 Comment
  CDA12043  Ericameria parishii A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; near summit of Mt. Wilson. Comment
  RSA0036133  Ericameria parishii Chris Henne 1946-10-18 s.n. Los Angeles Chileo [Chilao] spar, off Angeles Crest Highway, Charlton Flats. Comment
  CAS-BOT-BC131660  Ericameria parishii var. parishii Peter H. Raven; Henry J. Thompson 1959-10-31 14722 Los Angeles Mandeville Canyon, 5.8 miles north of Sunset Boulevard 365 Comment
  CAS-BOT-BC293123  Ericameria pinifolia Ernest Braunton 1902-10-1 713 Los Angeles Cahuenga Hills Comment
  CAS-BOT-BC293157  Ericameria pinifolia Cecil Hart 1926-3-9 s.n. Los Angeles Between Whitewater & Indio Comment
  OBI16560  Ericameria pinifolia H. E. McMinn 1937-3-4 4473 Los Angeles Between Upland and Claremont Comment
  RSA517168  Ericameria pinifolia Timothy S. Ross, Orlando Mistretta 1990-10-9 3266 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1457 Comment
  RSA739687  Ericameria pinifolia John Dittes 2005-11-26 1299 Los Angeles Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UC1118802  Ericameria pinifolia R. St. John 1928-2-10 1 Los Angeles San Francisquito Canyon Elizabeth Lake Quad., San Francisquito Canyon 731 Comment
  RSA838  Erigeron foliosus J. T. Howell 1928-6-29 998 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  UCR194355  Erigeron foliosus R. G. Swinney 1998-9-4 6918 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CAS-BOT-BC296169  Erigeron foliosus var. foliosus F. Grinnell Jr. 1910-6-23 s.n. Los Angeles Strawberry Ridge, San Gabriel Mts. 1676 Comment
  RSA669343  Erigeron foliosus var. stenophyllus LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 567 Los Angeles South side; At end of Olive Ave. parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., Trail goes up to the main crest, with Sunset Canyon on the west and Story Canyon on the east. 579 Comment
  RSA454998  Eriodictyon crassifolium var. crassifolium L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA582237  Eriodictyon crassifolium var. crassifolium Louis C. Wheeler 1933-6-24 1882 Los Angeles Verdugo Creek, Verdugo Hills. 534 Comment
  POM17613  Eriodictyon crassifolium var. nigrescens P. A. Munz 1923-3-10 7323 Los Angeles Palmer Canyon Wash, north of Claremont. Wash west of North Indian Hill Boulevard. Comment
  RSA226906  Eriodictyon crassifolium var. nigrescens Robert F. Thorne, C. W. Tilforth 1971-6-17 39975 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA549806  Eriodictyon trichocalyx Wandalee Thompson 1964-6-16 54 Los Angeles [No location information on label.] Comment
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Nov 11 2015
  RSA607813  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil s Canyon. 1433 Comment
  RSA639153  Eriodictyon trichocalyx var. trichocalyx 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. 1616 Comment
  UCR163320  Eriogonum B. G. Pitzer 1998-5-12 3706 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  SD197874  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles Hills west of San Martinez Grande Canyon and north of CA Hjighway 126, Newhall Ranch. 366 Comment
  UCSC011210  Eriogonum brachyanthum Adam Searcy 2015-7-24 70 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA393105  Eriogonum brachyanthum Anstruther Davidson 1901-9-1 1878 Los Angeles Little Rock Creek. Comment
  LA94746  Eriogonum cinereum Norman A. Cole; May 1964 324 .4 Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  SEINET11937873  Eriogonum cinereum Unknown 1929-1 s.n. Los Angeles Roger's Canyon, Santa Monica Mts 145 Comment
  SD108970  Eriogonum cithariforme James Henrickson 1972-11-2 8088 Los Angeles 4 mi. N of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Road 372 Comment
  UCR127649  Eriogonum cithariforme var. agninum A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25579 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  CAS-BOT-BC242776  Eriogonum davidsonii LeRoy Abrams 1902-6-29 2592 Los Angeles Fredalba Comment
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Oct 14 2020
  UCR141805  Eriogonum davidsonii June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, 1 mile east of Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2195 Comment
  RSA393298  Eriogonum elongatum C. M. Dammers 1933-10-28 s.n. Los Angeles Point Firman. Comment
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May 27 2013
  RSA603675  Eriogonum elongatum var. elongatum Steve Boyd 1997-9-17 10041 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. 915 Comment
  CAS-BOT-BC249765  Eriogonum elongatum var. elongatum Le Roy Abrams 1900-8-11 1052 Los Angeles Mouth of San Gabriel River Canon [Canyon] Comment
  RSA0031686  Eriogonum fasciculatum Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  RSA393508  Eriogonum fasciculatum Richard Arnold 1983-8-10 1022 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3. Comment
  UCR255779  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-4-15 12267 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  SEINET8044066 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-1 13461 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1036 Comment
  RSA0042747  Eriogonum fasciculatum subsp. polifolium Bonnie C. Templeton 1971-5-16 11614 Los Angeles About 7 miles northeast of Palmdale. 815 Comment
  CAS-BOT-BC253266  Eriogonum fasciculatum var. foliolosum Geo. B. Grant 1901-2-15 s.n. Los Angeles Pasadena Cemetery Comment
  LA82476  Eriogonum fasciculatum var. foliolosum O. H. Kappler; 1940-6-9 45 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA603189  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1972-12-20 12781 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA611976  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Laura Moore 1997-8-16 53 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  RSA670612  Eriogonum fasciculatum var. foliolosum Bonnie C. Templeton, H. J. Andrews 1938-6-22 1701 Los Angeles Mint Canyon Comment
  SBBG22230  Eriogonum fasciculatum var. foliolosum M. A. Piehl 1959-7-28 59464 Los Angeles 12 mi N of Castaic along US 99 near Frenchman Flats Cmpgrd Comment
  UC1032041  Eriogonum fasciculatum var. foliolosum P. L. Johannsen 1933-12-20 209 Los Angeles 3 1/2 mi s Reseda; Calabasa Quarangle Comment
  CAS-BOT-BC250100  Eriogonum fasciculatum var. polifolium Timothy S. Ross; J. Mark Porter 1995-5-4 8443 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  RSA0088257  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-25 12970 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
  RSA532644  Eriogonum fasciculatum var. polifolium Tim S. Ross 1991-8-14 5757 Los Angeles Roundtop Mountain. 1878 Comment
  RSA717950  Eriogonum fasciculatum var. polifolium R. G. Swinney, Dave Larson 1996-8-7 5242 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s. 1524 Comment
  UCR280525  Eriogonum fasciculatum var. polifolium R. G. Swinney 2014-4-10 16060 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  UC483201  Eriogonum giganteum var. formosum L. R. Abrams and I. L. Wiggins 1931-7-6 357 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  CAS-BOT-BC250305  Eriogonum giganteum var. giganteum Geo. B. Grant 1906-9-1 7160 Los Angeles Catalina Is., Moonstone Beach Comment
  RSA244929  Eriogonum giganteum var. giganteum F. R. Fosberg 1931-7-9 S 5358 Los Angeles Avalon, Santa Catalina Island. 30 Comment
  UC56805  Eriogonum gracile J. B. Davy Oct 1896 2748 Los Angeles Santa Monica Comment
  RSA393227  Eriogonum gracile var. gracile F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo. 5 Comment
  SD236378  Eriogonum gracillimum T. B. Salvato, Sandra Murcia 2005-11-1 1247 Los Angeles West Mojave Desert: NE edge of Plamdale ca 2 mi N of Pearland, 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q. 793 Comment
  SD52902  Eriogonum grande var. grande Peter H. Raven 1962-7-10 17979 Los Angeles San Clemente Island; Canyon below Lemon Tank 244 Comment
  RSA65213  Eriogonum heermannii var. heermannii F. W. Peirson 1918-6-18 23 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1250 Comment
  RSA679873  Eriogonum maculatum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 870 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  SBBG64057  Eriogonum mohavense R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  SD1308  Eriogonum nudum var. pauciflorum R. B. Randall 1931-7-19 Los Angeles San Bernardino Mts., Swartout Comment
  CAS-BOT-BC266938  Eriogonum parishii James L. Reveal; C. Rose Broome 1987-6-25 6574 Los Angeles San Gabriel Mountains, along the Angeles Cress Highway (California Highway 2) at milepost 59.0, 1.2 miles west of Kratka Ridge Ski Resort and 5.2 miles west of the junction of California Highway 39 1981 Comment
  CAS-BOT-BC257753  Eriogonum parvifolium Dr. H. E. Hasse 1881-9-1 s.n. Los Angeles Beach at Santa Monica Comment
  UCSB1473  Eriogonum parvifolium Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  SD88167  Eriogonum parvifolium var. parvifolium Reid Moran 1972-5-27 17142 Los Angeles South slope, seabluffs just east of Pt. Vicente 4 Comment
  JEPS56459  Eriogonum pusillum Frank W. Peirson 1921-5-19 2406 Los Angeles Little Rock Creek San Gabriel Mountains, Little Rock Creek Comment
  UCR189256  Eriogonum pusillum R. G. Swinney 1998-5-16 6071 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR205586  Eriogonum pusillum R. G. Swinney 2008-5-13 8855 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR277224  Eriogonum pusillum R. G. Swinney 2011-4-19 14400 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
  SBBG121837  Eriogonum roseum A. Parikh, N. Gale 2005-6-18 789 Los Angeles Portal Ridge, 1 km N of intersection of N2/Johnson Rd, 1.5 km E of intersection of N2/Munz Ranch Rd 1080 Comment
  UC1922354  Eriogonum roseum Scott D. White, A. Warniment 2006-7-6 11606 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  CAS-BOT-BC267620  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  RSA660446  Eriogonum saxatile Orlando Mistretta 1992-6-26 626 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. Comment
  SD72737  Eriogonum thurberi F. R. Fosberg 1930-7-3 S 3081 Los Angeles Lexington Wash, San Gabriel River, El Monte 79 Comment
  RSA0099412  Eriogonum umbellatum var. minus R. G. Swinney 2011-8-5 15593 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
  RSA756854  Eriogonum umbellatum var. munzii R. G. Swinney 2008-7-15 9230 Los Angeles Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
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Aug 16 2019
  SBBG64210  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  RSA766466  Eriogonum wrightii Joseph A. Ewan 1930-6-24 2678 Los Angeles Mt. Islip trail to windy camp 2134 Comment
  SBBG125839  Eriogonum wrightii var. subscaposum A. Parikh, N. Gale 2010-5-26 3224 Los Angeles Sierra Pelona, 3.9 km W of State Hwy 14, 1.4 km SW of California Aqueduct 983 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-BC297936  Eriophyllum confertiflorum Victor Duran 1933-7-8 3502 Los Angeles Horse Flats, San Gabriel Mts 1676 Comment
  POM357910  Eriophyllum confertiflorum Bette Wright 1942-4-25 s.n. Los Angeles Foothills, Glendale Comment
  UCR152888  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR170627  Eriophyllum confertiflorum Alex R. Van Dam 2004-4-25 044 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  RSA0098779  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-6-1 14952 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA0091724  Eriophyllum pringlei R. G. Swinney 2011-4-20 14441 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  CAS-BOT-BC296962  Eriophyllum wallacei W. R. Dudley; F. H. Lamb 1896-6-4 4318 Los Angeles Lancaster Comment
  RSA391769  Erodium botrys Jack Rempel 1932-2-22 s.n. Los Angeles El Segundo. Comment
  RSA0110611  Erodium brachycarpum Steven A. Junak 1999-4-24 SCa- 860 Los Angeles Santa Catalina Island. Plant stop, main road. 445 Comment
  RSA670160  Erodium cicutarium Joseph M. Keefe 2001-3-19 31173 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of end of road, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 470 Comment
  UCR4164  Erodium cicutarium R. H. Sauer 1965-3-8 s.n. Los Angeles La Canada, vacant lot at corner of Foothill Boulevard and Indianola Way 396 Comment
  CDA4670  Erodium cicutarium L. C. Wheeler 1967-5-15 9605 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Whitney Canyon near Newhall Comment
  SD75543  Erodium moschatum M. B. Dunkle 1939-4-6 7306 Los Angeles San Clemente Island, Mosquito Harbor, ridge Comment
  CAS-BOT-BC211091  Eryngium aristulatum var. parishii Le Roy Abrams 1901-7-20 1863 Los Angeles Wiseburn Comment
  CAS-BOT-BC40723  Erysimum capitatum Tim Ross; Steve Boyd 1991-4-25 4594 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon (which joins the lower East Fork of the San Gabriel River). 469 Comment
  CAS-BOT-BC40712  Erysimum capitatum C. F. Baker 1903-4-1 4121 Los Angeles Hills near Claremont. Comment
  RSA587272  Erysimum capitatum var. capitatum Timothy S. Ross, S. D. Boyd 1990-5-17 2555 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  UCSB33652  Erysimum capitatum var. capitatum Miller, Brian 1960-7-20 Los Angeles Charlton Flats, San Gabriel Mountains 1981 Comment
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Oct 29 2014
  CHSC95478  Erythranthe cardinalis LeRoy Gross; Wayne Law 2000-8-8 254 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
  HSC87287  Eschscholzia caespitosa Steve Boyd, T. S. Elias 1987-4-14 2059 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., S of Rincon - Red Box Rd., N of Glendora Comment
  CHSC3745  Eschscholzia californica Sue Boergadine 1966-4-28 15 Los Angeles Found by Lake Isabel (Elizabeth). 1524 Comment
  LA202589  Eschscholzia californica Sharon Johnston; 1957-5-9 22 Los Angeles 30 Comment
  LA82466  Eschscholzia californica O. H. Kappler; 1941-3-26 771 Los Angeles Santa Monica Mountains, Corral Canyon 457 Comment
  RSA188115  Eschscholzia californica Robert F. Thorne, Percy C. Everett 1965-6-22 34846 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  UCR123809  Eschscholzia californica Steven R. Hill, K. Kramer 2001-4-22 33334 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  RSA590071  Eschscholzia minutiflora Orlando Mistretta 1994-3-30 983 Los Angeles Little Rock Creek; Slopes east of creek below Little Rock Dam; Pacifico Mountain. 1021 Comment
  CAS-BOT-BC83100  Eschscholzia minutiflora W. R. Ernst 1957-4-19 161 Los Angeles Along Highway 6, 2.9 miles north of junction with Angeles Crest Highway (2). Comment
  SEINET3155596  Eucalyptus rostrata G. B. Grant 421 -A Los Angeles Pasadena Comment
  POM9025  Eucrypta chrysanthemifolia P. A. Munz, R. D. Harwood 1920-3-13 3358 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  UC874262  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-8 5357 Los Angeles San Francisquito Canyon 800 Comment
  SBBG18218  Eulobus californicus M. A. Piehl 1963-5-30 63492 Los Angeles just W of Rocky Pt cmpgrd, Little Rock Reservoir, 5.5 mi SW of Little Rock Comment
  UC520375  Euphorbia helioscopia Louis C. Wheeler 1933-7-14 1936 Los Angeles near Rio Hondo (Potrero Chico); Potrero Chico 68 Comment
  POM2849  Euphorbia lathyris I. M. Johnston 1917-7-20 1747 Los Angeles San Antonio Canyon (Seven oaks). Comment
  UCR259080  Euphorbia maculata R. G. Swinney 2010-10-15 14051 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  LA50646  Euphorbia maculata Monte Lloyd; 1950-7-11 500711 p1130 Los Angeles Campus of University of California at Los Angeles 121 Comment
  SBBG19143  Euphorbia misera M. A. Piehl 1963-12-7 631069 Los Angeles Pyramid Head 19 Comment
  SD260946  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley: Baldwin Park, San Gabriel River channel south of Ramona Blve. And north of I-10 Fwy, under SCE powerlines. 86 Comment
  CATA2011  Euphorbia peplus Steven A. Junak 1998-3-22 503 Los Angeles Santa Catalina Island: Along W side of Avalon Canyon Road, just N of entrance to Wrigley Botanical Garden 106 Comment
  UCR261539  Euphorbia peplus R. G. Swinney 2010-2-27 11701 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
  OBI70742  Euphorbia polycarpa Louis C. Wheeler 1942-12-2 5679 Los Angeles Verdugo Mts: Burbank; Glen Oaks and Lamer St Comment
  UCR219341  Euphorbia serpens Lorraine Weller 2009-7-7 070709- 08 Los Angeles Los Angeles, Stanford-Avalon Community Gardens, 658 East 111th Place 34 Comment
  RSA716813  Euphorbia serpillifolia A. C. Sanders 2003-5-22 26829 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  RSA736334  Euphorbia serpillifolia Scott D. White, Justin M. Wood 2008-5-19 12016 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  SBBG31431  Festuca arundinacea R. F. Thorne 1967-5-18 36861 Los Angeles Middle Bullrush Cyn 243 Comment
  UCR177787  Festuca microstachys LeRoy Gross 2005-4-28 2167 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR186910  Festuca microstachys A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32022 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR203198  Festuca microstachys R. G. Swinney 2005-5-21 8250 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR86827  Festuca myuros Scott D. White 1995-4-27 2963 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  UCR264071  Festuca octoflora John F. Green 2008-3-26 308- 11 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  SBBG130715  Festuca perennis S. A. Junak 2000-5-6 SCa 1266 Los Angeles small reservoir [Deep Tank], S side of Upper Empire Quarry Rd, 0.8 mi W of intersection with rd to Empire Landing housing 97 Comment
  RSA0115990  Ficus carica R. G. Swinney 2010-8-11 13494 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UCR206153  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  CAS-BOT-BC474728  Ficus microcarpa R. E. Riefner, Jr. 2015-7-19 15 -200 Los Angeles City of Carson, E side of 110-Freeway along 190th St. 11 Comment
  UCR124246  Filago arizonica L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  RSA0098636  Filago californica R. G. Swinney 2010-5-11 12696 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA393721  Filago californica M. B. Dunkle 1940-4-10 1840 Los Angeles Above Parson's, Santa Catalina Island. Comment
  RSA588900  Filago californica Timothy S. Ross, Steve Boyd 1990-5-15 2541 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  RSA158206  Filago californica Peter H. Raven 1962-5-8 17604 Los Angeles San Clemente Island: second canyon south of Seal Cove 30 Comment
  RSA635043  Filago gallica Valerie L. Soza, Kent Hughes 1999-6-17 560 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 746 Comment
  RSA598258  Filago gallica R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon and its tributaries. Poop-out Hill firebreak. 488 Comment
  POM157959  Foeniculum vulgare George B. Grant 1904-08 s.n. Los Angeles Los Angeles. Comment
  POM211788  Foeniculum vulgare L. C. Wheeler 1933-8-14 2084 Los Angeles San Gabriel Mountians, San Dimas Canyon. 502 Comment
  CAS-BOT-BC384173  Forestiera pubescens subsp. parvifolia Roxana S. Ferris 1918-6-12 902 Los Angeles Between Oban and Lancaster Comment
  RSA0062631  Frangula californica R. G. Swinney 2010-9-9 13769 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  LA207731  Frangula californica subsp. californica Joseph Andorfer Ewan; 1933-7-23 1463 Los Angeles San Gabriel Mountains, near spring at E end of Barley Flats 1523 Comment
  CAS-BOT-BC53328  Frangula californica subsp. cuspidata Le Roy Abrams; E. A. McGregor 1908-6-19 327 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  SEINET12289497  Fraxinus dipetala J. F. Bright, Wyman, C. 1933-1 8352 Los Angeles Boquet Canyon Comment
  RSA550698  Fraxinus uhdei Tim S. Ross, Annette Ross 1991-7-29 4159 b Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  SD121804  Fraxinus velutina var. coriacea John Tietjen 1977-5-9 Los Angeles Fern Canyon, Malibu Creek State Park, Santa Monica Mountains. 334 Comment
  CAS-BOT-BC130255  Fritillaria biflora Le Roy Abrams 1901-4-3 1312 Los Angeles Santa Monica Mts. 243 Comment
  UCD132359  Galinsoga parviflora Jane Turner; Francis M. Ball 1963-4-30 SK and F 1282 Los Angeles Plant Physiology area, campus of the University of California, Los Angeles. Comment
  JEPS25741  Galium andrewsii subsp. intermedium John Weiler 1961-5-12 61112 a Los Angeles in e-facing ravine on Ridge Route Rd 0.4 mi n U.S. Weather Bureau lateral (1.9 mi se of the junction of Ridge Route Rd with State Hwy 138 (nr. Quail Lake)) Comment
  JEPS7856  Galium angustifolium subsp. angustifolium F. W. Peirson 1918-6-28 213 Los Angeles foothills e Rubio Canyon; San Gabriel Mts. 609 Comment
  LA50691  Galium angustifolium subsp. angustifolium Carl Epling; 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UC625019  Galium angustifolium subsp. angustifolium F. R. Fosberg 1931-4-1 S 4442 Los Angeles Avalon Santa Catalina Island 10 Comment
  UCR129376  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-5-8 309 Los Angeles San Gabriel Mtns, Little Rock Creek. Slopes east of Little Rock Creek Reservoir 1159 Comment
  JEPS114012  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-6-23 8056 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of the west fork of Devils Gulch. Burnt Peak 7.5'USGS Quadrangle. Comment
  CATA1960  Galium aparine F. R. Fosberg 1931-3-20 4311 Los Angeles Santa Catalina Island: Hamilton Canyon 20 Comment
  SBBG98497  Galium aparine T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5261 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 384 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
  SBBG128344  Galium catalinense M. L. Hoefs 1991-4-18 1137 Los Angeles near rd above Howland Landing 70 Comment
  CAS-BOT-BC217475  Galium catalinense Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4263 Los Angeles Lower half of Chna Cyn, S end of island, W side, San Clemente Island Comment
  RSA629743  Galium catalinense subsp. catalinense Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  RSA202668  Galium grande Lauramay T. Dempster, G. Ledyard Stebbins 1964-1-26 3975 Los Angeles Hillside above Chantry's Flat, San Gabriel Mountains. Altitude ca. 2200 feet. 671 Comment
  RSA678830  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1287 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1 mile from trailhead out of Chantry Flat area. 793 Comment
  UCR194028  Galium johnstonii R. G. Swinney 1998-9-4 6923 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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May 8 2012
  RSA0073127  Galium nuttallii Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 26 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  CATA517  Galium nuttallii subsp. insulare Sara L. Crockett 1997-4-22 664 Los Angeles Santa Catalina Island: First N/S-trending ridge leading to Pacific Ocean, E of jct. of Wrigley Memorial Trail and East End Road, ca. 75 m S of road 291 Comment
  UCR190911  Galium parishii R. G. Swinney 1998-7-2 6236 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SBBG112870  Galium parisiense S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-17 SCa 769 Los Angeles Silver Cyn, at lowermost fork 12 Comment
  POM367827  Galium trifidum var. pacificum Louis Greata 1900-8-26 s.n. Los Angeles Cienega, L.A. Comment
  UCR216879  Gamochaeta pensylvanica R. G. Swinney 2009-3-13 10113 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  CAS-BOT-BC303352  Gamochaeta pensylvanica Peter H. Raven 1961-10-29 16869 Los Angeles In the Botanic Garden, near the front gate, Claremont 259 Comment
  RSA391434  Garrya veatchii F. H. Elmore 1936-1-12 s.n. Los Angeles Switzer's Camp Comment
  RSA632869  Garrya veatchii Robert F. Thorne 1971-6-26 40612 Los Angeles San Gabriel Mts., Angeles National Forest: Clear Creek branch of Big Tujunga Canyon along Angeles Forest Road near Clear Creek School Camp. 1037 Comment
  UC1122738  Garrya veatchii Louis C. Wheeler 1936-6-23 360 Los Angeles San Dimas Canyon; San Dimas Experimental Forest, Pomona Quad. 731 Comment
  UCR182266  Garrya veatchii R. G. Swinney, Dave Larson 1998-4-26 6031 Los Angeles San Gabriel Mtns., head of Dry Lake Canyon at 'Dry Lake', south of Sunset Peak 1521 Comment
  CATA1342  Gastridium phleoides Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2446 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  RSA589498  Gastridium phleoides Timothy S. Ross, G. Allan, Mark Elvin, J. Stone 1995-5-19 8579 Los Angeles San Clemente Island. Head of the northern tributary of Canchalagua Canyon, 400 ft. NNE of the 1135-ft. triangulation point. 326 Comment
  UCR271140  Gayophytum diffusum subsp. diffusum R. G. Swinney 2011-6-14 15110 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA532641  Gayophytum diffusum subsp. parviflorum Tim S. Ross 1991-8-14 5753 Los Angeles Roundtop Mountain. 1893 Comment
  UC1595380  Gayophytum diffusum subsp. parviflorum Tim Ross and Steve Boyd 1990-6-18 3468 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  RSA444647  Gayophytum heterozygum D. Charlton 1986-6-15 226 Los Angeles Lightning Ridge at intersection of Forest Rd 3N06 and Angeles Crest Hwy, ca 4 mi NW of San Bernardino Co line and 5 mi NW of Wrightwood. 2256 Comment
  UC1971196  Geranium carolinianum Louis C. Wheeler 1968-4-13 Los Angeles SAN GABRIEL MOUNTAINS: West Fork of Morgan Canyon near Ferguson Motorway. Comment
  UCR6049  Geranium dissectum Dick Bernier 1966-4-2 s.n. Los Angeles Los Angeles Basin, up from 7th St. in the Puente Hills [along Hwy 60 between the San Jose Hills and the Chino Hills] 213 Comment
  RSA628581  Geranium rotundifolium Louis C. Wheeler 1967-7-18 10077 Los Angeles San Gabriel Mountains: Angeles National Forest: Gold Creek off Little Tujunga Canyon at Center Creek; Watts Ranch. 640 Comment
  RSA0096984  Gilia Richard G. Swinney 2011-5-31 14890 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
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Dec 7 2018
  RSA470085  Gilia achilleifolia subsp. achilleifolia John P. Hill 1933-4-6 s.n. Los Angeles Verdugo Woodlands Comment
  UC908833  Gilia aliquanta Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts., Pinon Ridge Comment
  CHSC3670  Gilia angelensis Mary MacArthur 1966-6-4 39 Los Angeles 5 ft from river bed. 1524 Comment
  RSA555412  Gilia angelensis Patricia Wilder 1963-1 2004 Los Angeles Distillery. Comment
  UC714918  Gilia angelensis Florence Youngberg April, 1937 Los Angeles near San Dimas (Puddingstone); , near San Dimas Comment
  RSA334181  Gilia brecciarum subsp. brecciarum R. F. Thorne 1973-5-11 43508 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  UCR197775  Gilia brecciarum subsp. brecciarum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 15 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA756459  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2008-4-19 2496 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA0083311  Gilia capitata R. G. Swinney 2010-3-22 12016 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA470224  Gilia capitata subsp. abrotanifolia N. C. Cooper 1945-5-1 2193 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA579802  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd 1994-5-24 7854 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  SD38788  Gilia capitata subsp. abrotanifolia Dr. McDougall 1931-5-4 2063 B Los Angeles Griffith Park. Comment
  UCR205900  Gilia diegensis R. G. Swinney 2008-5-8 8791 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
  JEPS4126  Gilia latiflora subsp. davyi Ralph Hoffmann 1929-4-5 Los Angeles Palmdale Santa Barbara Region, Palmdale Comment
  UC23562  Gilia latiflora subsp. davyi J. Burtt Davy May 9 1896-May 24 1896 2609 Los Angeles Grainfield Antelope Valley, Leonis Valley (Leonis Valley, S. California) Comment
  VVC2937  Gilia latiflora subsp. latiflora Tim Thomas 2014-5-4 6291 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  SEINET7040199  Gilia latifolia A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA630372  Gilia minor L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 1027 Comment
  UC908497  Gilia minor Herbert L. Mason 1926-4-26 2995 Los Angeles 1 mi e Palmdale (Mohave Desert); , e of Palmdale Comment
  UCR272594  Gilia modocensis R. G. Swinney 2011-6-7 15029 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  CAS-BOT-BC225502  Gilia nevinii Peter H. Raven 1962-4-9 17166 Los Angeles Rocky grassland above Wilson Cove, San Clemente Island 60 Comment
  POM19215  Gilia nevinii P. A. Munz 1923-4-8 6633 Los Angeles San Clemente Island. Comment
  RSA251503  Gilia nevinii R. F. Thorne 1973-4-11 42833 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  UC1537494  Gilia ochroleuca subsp. bizonata Gordon H. True Jr. 1935-3-26 167 Los Angeles Belleview School nw Palmdale; Belleview School nw of Palmdale 731 Comment
  UC880125  Gilia ochroleuca subsp. bizonata L. R. Abrams 1927-4-30 11731 Los Angeles head of Antelope Valley Comment
  CAS-BOT-BC402058  Gilia ochroleuca subsp. vivida Verne Grant; Alva Grant 1951-6-15 16055 Los Angeles Big Pines to Inspiration Point, San Gabriel Mts. 2133 Comment
  JEPS14053  Gilia ochroleuca subsp. vivida Rimo Bacigalupi with Leroy Custer 1952-8-9 3907 Los Angeles s of and above Swartout Valley; San Gabriel Mountains, Blue Ridge 2255 Comment
  CHSC26037  Gilia sinuata Irene Martin 1971-5-2 31 Los Angeles 15 miles East of Palmdale, 3 mi. North of Hwy. 138 on 167th St. in Mojave Desert. 914 Comment
  RSA0095190  Gilia stellata Gordon H. True Jr. 1935-4-19 271 Los Angeles Lovejoy Butte. 853 Comment
  RSA0094564  Githopsis diffusa Richard G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  SFV19336  Githopsis diffusa T. Sagar, T. Valois 2005-5-16 s. n. Los Angeles Santa Monica Mountains Near Seminole Hot Springs. National Park Service Hennesy property. 420 Comment
  UC311494  Githopsis diffusa subsp. diffusa Philip A. Munz 1925-4-23 9436 Los Angeles San Gabriel Canyon 487 Comment
  SBBG133903  Githopsis diffusa subsp. robusta R. Burgess, P. Munro 2005-5-18 6850 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 457 Comment
  UCD132398  Glyptopleura marginata Geoffrey Levin 1975-5-17 506 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  UC565537  Glyptopleura setulosa Herbert L. Mason 1924-4-26 3015 Los Angeles Little Rock Creek Mohave Desert, Little Rock Creek Comment
  SEINET11849334  Gnaphalium beneolens J. F. Bright, Wyman, C. 1931-1 5714 Los Angeles Hollywood Comment
  RSA601041  Gnaphalium californicum Steve Boyd, Lauren Raz 1997-6-18 9974 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR136831  Gnaphalium californicum John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  SEINET11849353  Gnaphalium chilense J. F. Bright, Wyman, C. 1931-1 5691 Los Angeles Hollywood Comment
  RSA0093460  Gnaphalium microcephalum Richard G. Swinney 2011-9-22 15682 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  UC485671 Image available Gnaphalium microcephalum Col. Barlew 1917-9-24 3275 Los Angeles Crescenta Comment
  RSA763533  Gnaphalium palustre Justin M. Wood 2010-5-10 1568 -B Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  SBBG131606  Gnaphalium palustre S. A. Junak 1999-7-15 SCa 1035 Los Angeles N border of lower reservoir in Bulrush Cyn 304 Comment
  UCR272535  Gnaphalium stramineum R. G. Swinney 2011-9-22 15681 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  POM304839  Gnaphalium stramineum Henry J. Ramsey, Henry J. Ramsey 1937-9-2 215 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA177585  Grayia spinosa S. Carlquist, James Henrickson 1965-4-22 1703 Los Angeles 11 miles east of Palmdale. Comment
  SD43398  Grayia spinosa Darley F. Howe 1948-5-3 1806 Los Angeles 1.5 miles south of Lancaster. 609 Comment
  UCR220293  Grayia spinosa R. G. Swinney 2009-4-24 10465 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  RSA733082  Guillenia lasiophylla R. G. Swinney 2001-4-18 7898 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA630361  Guillenia lasiophylla L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1219 Comment
  RSA67364  Guillenia lasiophylla F. W. Peirson 1923-4-12 3451 Los Angeles Wilson s Cove, San Clemente Island. Comment
  RSA725861  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  POM21354  Gutierrezia sarothrae Fordyce Grinnell Jr 1917-8-19 s.n. Los Angeles Paicoma Wash near San Fernando Comment
  CLARK-A1528-1870  Haplopappus acradenius John C. Roos 1947-9-18 2791 Los Angeles Comment
  SD249143  Hazardia cana Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2199 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 182 Comment
  UCR277250  Helenium bigelovii R. G. Swinney 2010-9-30 13929 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  UCR258955  Helianthus annuus R. G. Swinney 2010-2-27 11748 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  SFV14472  Helianthus annuus J. L. Reveal 1987-9-21 3892 Los Angeles San Fernando Valley Limekiln Canyon north of Rinaldi. 366 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
  SFV22040  Helianthus gracilentus V. Soza, I. E. Anderson, L. Gross 2000-6-6 992 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Stough Canyon Mountainway, above Stough and Wildwood canyons. Ridgetop along fire road. 838 Comment
  UC1595206  Helianthus gracilentus Tim Ross and Peter Fritsch 1990-6-20 3659 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd. (2N24)); San Gabriel Mountains 1255 Comment
  SD249144  Helianthus inexpectatus Mark Elvin 2014-9-12 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of Airport Mesa 0.75 mile SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. 305 Comment
  UCR210146  Heliotropium curassavicum R. G. Swinney 2008-10-20 9648 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA594349  Heliotropium curassavicum var. oculatum Steve Boyd, Lauren Raz 1996-10-14 9035 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
  UCSB7392  Helminthotheca echioides Wedberg, H. 1958-5-11 Los Angeles Vacant lot back of 1001 Gayley, Westwood Village Comment
  POM156365  Hemizonia fasciculata L. R. Abrams 1902-6-11 2514 Los Angeles Playa del Rey. Comment
  RSA187698  Hemizonia fasciculata R. F. Thorne 1966-9-14 36660 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA603411  Hemizonia fasciculata L. C. Wheeler 1936-6-21 4172 Los Angeles W Fork Palmer Canyon 640 Comment
  POM360270  Hemizonia fasciculata Robert Gustafson 1980-8-29 1876 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  LA35980  Hesperocnide tenella Peter H. Raven; 1960-5-15 15372 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA445905  Hesperocnide tenella Louis C. Wheeler 1932-5-8 693 Los Angeles Puddingstone Dam; San Jose Hills 305 Comment
  SBBG33694  Hesperocyparis forbesii S. Boyd with L. Lenz 2001-5-2 10425 Los Angeles Warm Springs Mtn, along rd to summit, just W of cutoff to Necktie Basin, on slope between rd and steep escarpment into Warm Springs Cyn Comment
  CAS-BOT-BC135902  Hesperoyucca whipplei Alice Eastwood 1906-6-5 223 Los Angeles Country adjacent to Los Angeles. Comment
  CAS-BOT-BC135943  Hesperoyucca whipplei Marcus E. Jones 1882-5-1 s.n. Los Angeles Pasadena Comment
  UCR256228  Hesperoyucca whipplei R. G. Swinney 2010-6-4 13046 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  CAS-BOT-BC143693  Heteromeles arbutifolia Grant 1904-4-21 6150 Los Angeles [Avelon] Avalon Comment
  UCD113324  Heteromeles arbutifolia B. Pitzer 1996-5-5 2869 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills, San Pedro Navel Fuel Depot, at San Pedro Hill. 409 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
  SEINET11907919  Heteromeles arbutifolia D. P. Reagan n d 7 Los Angeles Just E of Sandberg alond State Rd. N-2 Comment
  UCSB2809  Heteromeles arbutifolia Wedberg, H. 1958-7-15 Los Angeles Mulholland Hwy. between Topanga Can. and Beverly Glen, Santa Monica Mtns. Comment
  RSA0074515  Heterotheca fastigiata Walter Wisura 1999-9-10 5133 Los Angeles San Gabriel Mts.: 3.5 miles W of Cow Canyon Saddle on forestry road off Glendora Ridgeroad. Comment
  UC897761  Heterotheca grandiflora I. W. Clokey and E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  RSA674588  Heterotheca sessiliflora subsp. echioides Scott D. White 2000-5-6 7778 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  POM21366  Heterotheca sessiliflora subsp. echioides Fordyce Grinnell Jr 1917-8-29 s.n. Los Angeles San Gabriel Mtns Comment
  LA32109  Heterotheca sessiliflora subsp. fastigiata Peter H. Raven; 1959-11-7 14732 Los Angeles 274 Comment
  RSA0105223  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-27 15907 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  SBBG126036  Heterotheca villosa A. Parikh, N. Gale 2010-5-4 3144 Los Angeles S of Santa Fe Dam, along E side of Live Oak Lane, 0.6 km SE of intersection of I-605 and Arrow Hwy 128 Comment
  UCR194006  Heuchera elegans 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. 1427 Comment
  POM360432  Hieracium albiflorum Anstruther Davidson 1915-8-1 3088 Los Angeles Camp Baldy. Comment
  RSA755878  Hieracium albiflorum R. G. Swinney 2008-7-16 9261 Los Angeles Cooper Canyon, 1.5 mi. NE of Burkhart Trail parking lot along the trail, NE of Buckhorn Campground 1707 Comment
  SBBG126971  Hieracium argutum A. Parikh, N. Gale 2011-7-14 3555 Los Angeles West Fork San Gabriel River, 2.6 km W of St Hwy 39; San Gabriel Mtns 615 Comment
  RSA748891  Hoffmannseggia glauca A. C. Sanders, T. B. Salvato 2009-5-18 36807 Los Angeles Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation. 107 Comment
  RSA0085052  Hordeum glaucum Paul M. Inman 1983-5-15 51583 -5 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia. On Winter Creek trail=c above Hoegee's Camp. 914 Comment
  UCR155932  Hordeum murinum A. C. Sanders 2005-5-5 29893 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  LA103448  Hordeum murinum subsp. glaucum Barry A. Prigge; 1986-3-20 6963 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  LA14698  Hordeum murinum subsp. glaucum LeRoy Abrams; 1903-4-9 3243 Los Angeles Inglewood Comment
  RSA590918  Hordeum murinum subsp. leporinum Orlando Mistretta 1994-4-12 1008 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1005 Comment
  RSA601615  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-13 9491 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  RSA625001  Horkelia cuneata subsp. puberula Louis C. Wheeler 1963-5-5 8249 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 549 Comment
Read comments
Jul 25 2007
  RSA748147  Horkelia cuneata subsp. puberula Justin M. Wood 2009-4-2 462 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  CAS-BOT-BC532284  Horkelia cuneata var. puberula Grant 1902-4-1 155 Los Angeles Comment
  RSA729487  Horkelia rydbergii R. G. Swinney 1999-6-21 7387 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  UCD170473  Horkelia rydbergii D. E. Bramlet 2011-8-17 4931 Los Angeles San Gabriel Mountains: NW of Hwy 2 near Chilao Campground. 1619 Comment
  UCD170961  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 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
  UC303969  Hulsea heterochroma Geo. B. Grant 1902-6-10 Los Angeles Marlins Camp Comment
  RSA621260  Hulsea vestita subsp. gabrielensis L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Bad Canyon at Santa Clara Divide Road. 1303 Comment
  RSA584314  Hymenoclea salsola Timothy S. Ross, Steve Boyd 1991-3-23 4245 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA584503  Hypochaeris glabra Timothy S. Ross 1992-5-24 6411 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  RSA712901  Ilex cornuta A. C. Sanders 2005-2-13 29149 Los Angeles San Gabriel Valley: Walnut, Mt. San Antonio College, at south foot of the San Jose Hills. 244 Comment
  CAS-BOT-BC112431  Isolepis cernua Joseph Cook (Rev.) Nevin 1904-5-1 s.n. Los Angeles Santa Monica Comment
  RSA567214  Isopyrum occidentale Walter Wisura, W. Steinmetz 1993-4-10 s.n. Los Angeles Sierra Pelona: PCT below rim on N-side of range. Comment
  UCD51384  Jarava speciosa A. A. Beetle 1942-4-24 3212 Los Angeles 6 miles W of Llano. Comment
  CAS-BOT-BC340166  Jaumea carnosa John Thomas Howell 1927-6-30 2626 Los Angeles 1 mile east of Long Beach 15 Comment
  UCR100433  Jaumea carnosa Scott D. White 1997-11-5 6012 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  JEPS99426  Jepsonia malvifolia D. H. Wilken with E. Painter 1997-12-2 15394 Los Angeles n branch of Eagle Canyon, San Clemente Island 260 Comment
  CAS-BOT-BC101912  Juglans californica John Thomas Howell 1928-3-4 3381 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  RSA19622  Juglans californica Fay A. MacFadden 1931-3-15 2597 Los Angeles Verdugo Mountains: Tuna Canyon 335 Comment
  SD126089  Juglans californica Lyman Benson 1957-4-17 15721 Los Angeles Kellogg Campus of California Ploytechnic University, San Jose Hills, Pomona 305 Comment
  UCD81212  Juglans californica S. J. Seybold and T. W. Coleman 2009-4-18 4 Los Angeles West side of San Gabriel Reservoir, ca. 1.75 km SE of the Rincon Fire Station. 460 Comment
  SFV839  Juglans californica var. californica P. G. Kilburn 1958-3-7 651 Los Angeles Santa Monica Mountains Old Topanga Canyon, beside road across from Cephalopod pit. Comment
  CAS-BOT-BC168646  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37166 Los Angeles San Gabriel Valley: Arroyo Hondo, near the shooting range, 0.42 mi. due W of Rosemead Blvd., 0.26 mi. due S of Hwy 60 64 Comment
  CATA1174  Juncus acutus subsp. leopoldii Mark L. Hoefs 1995-5-30 2170 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  RSA583016  Juncus acutus subsp. leopoldii Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6945 Los Angeles Santa Catalina Island: W end of Island beyond the isthmus, on main east west ridgtop, upper NW slope of Silver Peak (West Peak Triangulation Pt, 1804ft) 527 Comment
  SBBG128414  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-6-21 2294 Los Angeles Upper Bullrush Cyn 286 Comment
  SEINET11788400  Juncus arcticus var. mexicanus C. G. Pringle 1882-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  UCR206125  Juncus bufonius R. G. Swinney 2008-5-30 8912 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR277017  Juncus bufonius R. G. Swinney 2010-9-30 13924 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UC625026  Juncus bufonius F. R. Fosberg 1931-5-4 S 4751 Los Angeles below Eagle's Nest (Middle Ranch Canyon, 2nd bridge below Eagle's Nest); Santa Catalina Island 140 Comment
  IRVC26645  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles Foot of Holiday Hill Ski Lift. San Gabriel Mtns. 1997 Comment
  JEPS45910  Juncus ensifolius Victor Duran 1933-7-25 3531 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  RSA0091322  Juncus macrophyllus R. G. Swinney 2011-5-26 14870 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
  RSA781817  Juncus macrophyllus R. G. Swinney 2009-7-23 11372 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR206454  Juncus macrophyllus R. G. Swinney 2008-6-9 8961 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCD141713  Juncus macrophyllus Henry J. Thompson 1959-5-31 2059 Los Angeles just east of junction of Latigo Canyon Road with Mulholland Highway. Santa Monica Mountains. 518 Comment
  RSA368232  Juncus mexicanus Freda Detmers 1931-5-17 14247 Los Angeles Big Rock Creek; Mojave Desert. Comment
  RSA0127379  Juncus oxymeris Louis C. Wheeler 1967-7-20 10138 Los Angeles Aliso Canyon. 1067 Comment
  POM1608  Juncus phaeocephalus I. M. Johnston 1917-5-13 s.n. Los Angeles [El Monte?] Ditch along Railroad. 114 Comment
  RSA0013469  Juncus rugulosus Orlando Mistretta, Youssef Atallah 2011-8-16 6041 Los Angeles Aliso Canyon near junction of Aliso Canyon Road and Angeles Forest Highway. 1259 Comment
  UCR158848  Juncus rugulosus Scott D. White 1994-7-14 2257 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  UCR258616  Juncus rugulosus R. G. Swinney 2010-6-23 13331 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
  RSA230389  Juncus saximontanus Robert F. Thorne, M. Z. Thorne 1969-7-10 38387 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  RSA782056  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 Los Angeles Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  RSA748845  Juncus textilis Justin M. Wood 2009-4-13 490 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  UC1133743  Juncus textilis Jerome S. Horton 1936-9-18 410 Los Angeles Tanbark Flats San Dimas Experimental Forest, Pomona Quad. 792 Comment
  UCR230268  Juncus textilis Dan S. Cooper 2011-3-3 311- 24 Los Angeles San Gabriel Mountains Foothills, Monrovia Hills, 'Sleepy Hollow' vicinity of Norumbega Rd. 250 Comment
  POM184646  Juncus xiphioides L. C. Wheeler 1932-8-2 1121 Los Angeles N Fork San Gabriel River, San Gabriel Mts. 1372 Comment
  LA6560  Juniperus californica Louis Wheeler; 1931-11-20 363 Los Angeles San Gabriel Wash 152 Comment
  UC1134261  Juniperus californica A. Lewis 1934-2-1 272 Los Angeles head Escondido Canyon; San Fernando Quadrangle Comment
  UCR259076  Juniperus californica R. G. Swinney 2010-6-23 13376 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA640811  Juniperus californica L. C. Wheeler 1930-11-26 s.n. Los Angeles Mojave Desert. Comment
  SEINET11736599  Juniperus californica D. P. Reagan 1974-1 20 Los Angeles 2 mi W of Gorman Comment
  UCR193589  Juniperus occidentalis subsp. australis R. G. Swinney 1999-8-9 7601 Los Angeles San Gabriel Mtns., eastern end of Big Horn Ridge, SW of Mt. San Antonio 2793 Comment
  SEINET10531113  Juniperus virginiana var. silicicola David B. Dunn 1939-10-18 Dunn UMO 46525 Los Angeles Cultivated plant growing in Lafayette Park, Los Angeles, Calif. Comment
  RSA401776A  Keckiella cordifolia N. R. Zabriskie, W. M. Zabriskie 1970-6-13 307 Los Angeles East Fork San Gabriel River, 1/2 mile above fork, San Gabriel Mountains. 610 Comment
  RSA401780A  Keckiella cordifolia N. C. Cooper 1949-6-29 4367 Los Angeles San Gabriel Canyon. 457 Comment
  UCD123785  Keckiella cordifolia Collector Unknown 1917-6-1 s.n. Los Angeles Hollywood Bowls, near Los Angeles. Comment
  CAS-BOT-BC176831  Kochia californica A. D. E. Elmer 1902-6-1 3717 Los Angeles Lancaster Comment
  UC1075817  Kochia scoparia Robert Townsend 1955-8-25 Los Angeles between Dominguez Wilmington (on Alameda St., ca. 150 yds. n. of Carson St. intersection, on R.R. right-of-way) Comment
  POM292705  Koeleria macrantha Lyman Benson 1949-4-29 13602 Los Angeles Hill 3 miles SW of Pomona 305 Comment
  RSA713822  Lagophylla ramosissima Mark Elvin 2003-6-12 2946 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  UCD63291  Lamarckia aurea M. Vincent 1963-5-7 338 Los Angeles Santa Susana Mts., 1/2 mile E of the Ventura County line near the top of the pass, Santa Susana Pass Road, 1/4 mile off the road at the top of the pass on a small path. 488 Comment
  RSA624539  Lamium amplexicaule Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Indian Canyon Campground (off Soledad Canyon) 823 Comment
  SEINET3161981  Lantana camara G. B. Grant 1905-5-5 666 Los Angeles at Pasadena Comment
  CATA2229  Lantana montevidensis Sara L. Crockett 1997-4-21 133 Los Angeles Santa Catalina Island: 333 Hiawatha Street, corner of Hiawatha and Marilla Streets 44 Comment
  RSA598856  Lasthenia californica Steve Boyd, T. S. Ross 1997-3-21 9232 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  RSA603414  Lasthenia californica L. C. Wheeler 1936-4-12 4090 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  UC89998  Lasthenia coronaria L. R. Abrams 1899-4-1 Los Angeles sand dunes between Redondo and Santa Monica Comment
  SBBG61622  Lasthenia gracilis R. Hoffmann 1929-4-26 Los Angeles near Camulos Comment
  CATA2915  Lathyrus odoratus Sara L. Crockett 1997-3-7 87 Los Angeles Santa Catalina Island: 331 Clemente Street 24 Comment
  CATA3470  Lathyrus tingitanus Stuart Olshevski, Jaimie Choi, Olivia Reda, Tobias Nickel 2017-5-8 005 Los Angeles Santa Catalina Island: Channel side; Twin Rocks watershed, west side of Airport Road halfway between Old Hunting Rd and Empire Landing Road 464 Comment
  UCR281875  Lathyrus vestitus Mitch Provance 2010-5-20 510- 18 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  RSA508647  Lathyrus vestitus subsp. laetiflorus Barry Burnell 1971-3-18 243 Los Angeles San Dimas Canyon, 6.2 miles from the intersection of Foothill and San Dimas Canyon Rd. 480 Comment
  RSA155836  Lathyrus vestitus subsp. laetiflorus P. H. Raven 1962-5-10 17713 Los Angeles Canyon just north of Thirst, San Clemente Island 335 Comment
  POM50626  Lathyrus vestitus subsp. laevicarpus L. R. Abrams 1901-4-3 1303 Los Angeles Santa Monica Mountains. Comment
  RSA651068  Lathyrus vestitus subsp. vestitus Paul M. Inman 1983-5-8 50883 -22 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel Mountains, about 1 miles north of Arcadia. From east facing ridge. On upper Creek Trail leading to Hoegee's camp. 915 Comment
  RSA724473  Lathyrus vestitus var. vestitus K. Dobry 1991-5-13 499 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SD13110  Lathyrus vestitus var. vestitus Edith A. Purer 1935-5-11 6561 Los Angeles Santa Monica Mountains, Malibu Road, hillside Comment
  RSA187974  Lavatera assurgentiflora subsp. assurgentiflora Robert F. Thorne 1966-4-4 35794 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  CAS-BOT-BC321505  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC321523  Layia glandulosa Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1158 Comment
  POM50726  Layia glandulosa L. R. Abrams 1901-04 1402 Los Angeles Monte Vista. Comment
  RSA587264  Layia glandulosa Orlando Mistretta 1994-5-13 1215 Los Angeles San Gabriel Mts; Little Rock Creek, slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  RSA599279  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-31 9415 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
  POM361657  Layia glandulosa Fay A. MacFadden 1931-4-22 s.n. Los Angeles Lake Hughes. Comment
  JEPS30623  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume; Santa Monica Mountains 15 Comment
  UC194114  Layia platyglossa S. B. and W. F. Parish Jun 1887 1924 Los Angeles Elizabeth Lake Comment
  UC729799  Layia platyglossa Carl B. Wolf 1932-5-11 3551 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  CAS-BOT-BC377806  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  SDSU4717  Layia platyglossa R. M. Beauchamp 1967-1-29 156 Los Angeles West and below Marine Outpost; San Clemente Island. Comment
  UC1594398  Layia platyglossa Tim Ross 1992-4-14 6151 Los Angeles midway between the mouth of Nanny Canyon and the first major escarpment draw s of it central E side of island; San Clemente Island Comment
  POM4850  Layia platyglossa subsp. campestris P. A. Munz 1918-5-5 2183 Los Angeles Puente Hills, Turnbull Canyon Comment
  RSA161324  Layia platyglossa subsp. campestris Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon 198 Comment
  CATA384  Lepechinia fragrans Mark L. Hoefs 1974-5-2 445 Los Angeles Santa Catalina Island: By road on south side of Mt. Black Jack 457 Comment
  CAS-BOT-BC89303  Lepidium flavum Ira L. Wiggins 1966-5-15 20595 Los Angeles About 2 miles north of Theodore Payne Wildflower Sanctuary, northeast of Pearlblossom. Mohave Desert. Comment
  CAS-BOT-BC89419  Lepidium fremontii Ernest C. Twisselmann 1963-5-10 8152 Los Angeles Mojave Desert. Rosamond Region. Avenue A 1.5 mile east of Highway U.S. 6. 731 Comment
  RSA0073253  Lepidium fremontii Bonnie C. Templeton 1931-5-17 1202 Los Angeles West of Lancaster, Mohave Desert. Comment
  RSA429896  Lepidium fremontii var. fremontii N. C. Cooper 1948-4-21 2697 Los Angeles Littlerock Reservoir. 762 Comment
  CAS-BOT-BC89535  Lepidium lasiocarpum Le Roy Abrams 1901-4-1 1182 Los Angeles Ballona Harbor. Comment
  RSA585323  Lepidium lasiocarpum Timothy S. Ross 1991-4-27 4719 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  UC1870182  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena 335 Comment
  CAS-BOT-BC167084  Lepidium nitidum A. C. Sanders 2003-3-14 25769 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  RSA187728  Lepidium nitidum R. F. Thorne 1966-4-7 35988 Los Angeles Santa Catalina Island. S of Parson Landing and SW of Arrow Point, W. end island. 61 Comment
  CAS-BOT-BC12476  Lepidium nitidum David B. Weissman 1971-6-27 196 Los Angeles San Clemente Island, northwest harbor. 91 Comment
  RSA612149  Lepidium perfoliatum Steve Boyd, Kent Hughes 1998-5-5 10191 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  UCR149850  Lepidium strictum Scott D. White 2004-4-23 10229 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA651356  Lepidium virginicum T. Strid 1972-6-8 s.n. Los Angeles Topanga Cyn. 60 Comment
  UC56737  Lepidium virginicum var. pubescens Geo. B. Grant 3469 Los Angeles Pasadena Comment
  JEPS30655  Lepidospartum squamatum Peter H. Raven and Henry J. Thompson 1958-9-19 13728 Los Angeles near Lake Sherwood (in dry stream near junction of Decker and Potrero Canyon Roads); Santa Monica Mountains 281 Comment
  POM305773  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-6-27 951 Los Angeles Old Ridge Route, Liebre Mts., Angeles National Forest Comment
  RSA128051  Lepidospartum squamatum Peter H. Raven, H. J. Thompson 1958-9-19 13728 Los Angeles Santa Monica Mountains; on dry hillside near junction of Decker and Potrero Canyon roads, near Lake Sherwood. 282 Comment
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Mar 25 2014
  UCR256865  Lepidospartum squamatum R. G. Swinney 2010-8-16 13550 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR150342  Leptochloa uninervia Scott D. White 2003-10-14 9833 Los Angeles San Gabriel Mtns, foothills above Sierra Madre. Los Angeles Dept. of Public Works "Sierra Madre Villa' Debris Basin 335 Comment
  SEINET3163756  Leptodactylon californicum G. B. Grant 1904-5-5 679 a-6189 Los Angeles at Arroyo Seco Canyon, San Gabriel Mts., southern California 610 Comment
  UC881520  Leptodactylon californicum Marcus E. Jones, A. M. 1882-5-2 3209 Los Angeles Pasadena Comment
  RSA0036177  Leptodactylon californicum Bill Duval s.n. Los Angeles Montrose. Comment
  JEPS69845  Leptodactylon californicum subsp. glandulosum Frank W. Peirson 1918-5-19 158 Los Angeles Echo Mountain; San Gabriel Mts., Echo Mountain 1005 Comment
  SFV21436  Leptodactylon californicum subsp. glandulosum L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 50 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 806 Comment
  UCR209893  Leptodactylon pungens R. G. Swinney 2008-7-24 9284 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  POM21353  Leptosiphon breviculus Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  RSA240651  Leptosiphon breviculus C. W. Tilforth, John Dourley 1973-5-24 812 Los Angeles Bob's Gap, ca. 2 miles NE of Valyermo, north desert slope of San Gabriel Mountains. Comment
  RSA587538  Leptosiphon breviculus Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1114 Los Angeles Santiago Canyon. Ridge on W edge of Santiago Cyn. watershed, approximatly 1 mi. S of Mt. Emma. 1387 Comment
  UCR223345  Leptosiphon breviculus R. G. Swinney 2009-7-29 11414 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR271193  Leptosiphon ciliatus R. G. Swinney 2011-6-6 14994 B Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA783486  Leptosyne bigelovii J. D. Olmsted 1959-4-25 496 Los Angeles 1 mi. NNE of Valyermo P. O. along Holcomb Ridge east of Wrightwood-Pearblossom road. Mt. range: San Gabriel Mts.; drainage area: Big Rock Creek. 1128 Comment
  UCR276804  Leptosyne bigelovii R. G. Swinney 2010-5-21 12899 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  SD46753  Leptosyne douglasii P. C. Everett, E. K. Balls 1956-5-9 21569 Los Angeles 5.2 miles north of Los Angeles-Kern County line along Highway 6 730 Comment
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Feb 12 2016
  CAS-BOT-BC339273  Lessingia glandulifera var. glandulifera Smith; Holsten 1974-8-15 0523 Los Angeles Texaco Oil Field Castaic Comment
  POM361799  Lessingia glandulifera var. glandulifera Anstruther Davidson s.n. Los Angeles Little Rock. [San Gabriel Mts.] Comment
  SD134518  Lessingia lemmonii var. ramulosissima Craig Reiser 1988-8-17 Los Angeles Western periphery of Palmdale, near freeway Comment
  RSA738075  Leymus condensatus Bill Duval s.n. Los Angeles Montrose 61 Comment
  SEINET10595918  Leymus triticoides LeRoy R. Abrams 1902-6-12 Abrams 2521 Los Angeles Ballona creek, near Mesmer. Comment
  UCR12194  Lilium humboldtii Art Whistler 1966-6-20 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., valley between Coral Canyon Road and the Coast Hwy [Calif. Hwy 1] near Malibu Beach, 30 mi from Woodland Hills 34 Comment
  LA103211  Lilium humboldtii subsp. ocellatum Barry A. Prigge; 1985-6-14 6411 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, Murphy Ranch site. 601 Comment
  RSA229181  Lilium humboldtii subsp. ocellatum Robert F. Thorne, C. W. Tilforth 1971-6-29 40730 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  UC1922870  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2006-6-12 06 -236 Los Angeles Verdugo Mountains, N of side of 210 Freeway, W ca. 0.6 mi from La Tuna Canyon Rd. exit. Comment
  POM11873  Limosella acaulis F. W. Peirson 1922-7-7 s.n. Los Angeles Swartout Valley, Wright's Ranch. 1845 Comment
  SEINET3860410  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.; 0 915 Comment
  UCR270095  Linanthus aureus subsp. aureus R. G. Swinney 2011-4-20 14439 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR87346  Linanthus breviculus R. G. Swinney 1994-6-12 2885 Los Angeles Eastern San Gabriel Mtns, Sheep Mountain Wilderness, Prairie Fork Canyon, F.S. Road 3N39, 2.1 mi. SE of junction with F.S. Road 3N06. South of road 2195 Comment
  RSA468458  Linanthus californicus subsp. glandulosus T. B. Merson 1940-7-11 s.n. Los Angeles Griffith Park. Comment
  OBI7364  Linanthus californicus subsp. glandulosus Mark Fresh 1976-2-29 16 Los Angeles Located at Tuna Canyon Road and Saddle Peak Roah crossroads. Comment
  UCR178079  Linanthus concinnus LeRoy Gross, B. Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 941 Los Angeles Transverse Ranges; San Gabriel Mountains, Southwest ridge that climbs to Mt. Markham, between Mt. Markham and the Mt. Lowe dirt road (2N50.1) 1677 Comment
  RSA667961  Linanthus dianthiflorus Peter J. Mehringer 1958-4-19 s.n. Los Angeles El Segundo 30 Comment
  RSA747153B  Linanthus dichotomus subsp. pattersonii R. G. Swinney 2008-5-8 8793 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA757663  Linanthus dichotomus subsp. pattersonii Orlando Mistretta, Christine Mistretta 2008-4-14 2446 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
  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
  POM65867  Linanthus parryae H. M. Hall 1902-5-1 3049 Los Angeles Vicinity of Elizabeth Lake. 915 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
  RSA400296  Linaria canadensis var. texana Reid V. Moran 1941-2-28 656 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  RSA0022056  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  UC858884  Lithophragma affine Marcus E. Jones, A. M. 1882-5-3 3223 Los Angeles Pasadena Comment
  CAS-BOT-BC432207  Lithophragma bolanderi Geo. B. Grant 1906-6-10 6675 Los Angeles Mt. Lowe, Castle Canyon Comment
  CAS-BOT-BC432209  Lithophragma bolanderi I. W. Clokey; E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC435637  Lithophragma heterophyllum Henry J. Thompson 1959-4-19 1943 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  POM11823A  Lithophragma tenellum P. A. Munz 1922-5-30 5577 Los Angeles Head of Swartout Valley. 2195 Comment
  RSA729326  Lobelia dunnii var. serrata R. G. Swinney 1999-7-28 7579 Los Angeles East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch. 732 Comment
  UCR190882  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6722 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  UCR210017  Lobularia maritima R. G. Swinney 2008-12-2 9915 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  LA210069  Lobularia maritima Monte Lloyd; 1950-7-6 500706 p1631 Los Angeles Missouri Ave., just E of Westwood Blvd.; W L.A 106 Comment
  RSA624549  Lobularia maritima L. C. Wheeler 1945-4-15 6010 Los Angeles Millard Canyon 411 Comment
  RSA441648  Loeflingia squarrosa Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  CAS-BOT-BC342202  Logfia filaginoides H. Wedberg 1966-4-3 1183 Los Angeles Above Hill Dr. x Neal, in Eagle Rock 457 Comment
  SBBG113097  Logfia gallica S. A. Junak with K. Kirkland, M. L. Hoefs, L. Stratton 1998-4-30 SCa 587 Los Angeles N side of upper Hamilton Cyn 341 Comment
  RSA656862  Lolium perenne Joseph M. Keefe 2001-1-24 31022 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
  SDSU2234  Lomatium mohavense D. F. Howe 1979-4-30 5087 Los Angeles 2 miles northwest of Devil's Punch Bowl. 1433 Comment
  UCR264441  Lomatium mohavense John F. Green 2008-3-26 308- 06 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  POM308884  Lomatium utriculatum Anonymous 1943-4-22 647 Los Angeles Over top of Dalton Firebreak, San Dimas Experimental Forest, U. S. Forestry Dept. Comment
  RSA452152  Lomatium vaginatum Thekla Mohr 2783 Los Angeles Los Angeles. Comment
  RSA60201  Lomatium vaginatum E. K. Balls, L. W. Lenz 1950-3-28 14457 Los Angeles 2 miles north of Castaic, Hwy 99. 366 Comment
  CAS-BOT-BC240501  Lonicera hispidula E. R. Blakley 1962-10-5 5462 Los Angeles Eagles Nest in Middle Ranch Canyon, Santa Catalina Island 152 Comment
  RSA550389  Lonicera interrupta T. S. Ross 1992-7-10 6639 Los Angeles Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek 963 Comment
  UCR277409  Lonicera subspicata R. G. Swinney 2010-8-23 13571 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  RSA515117  Lotus argophyllus subsp. ornithopus Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 805 -6 Los Angeles San Clemente Island: Waynuk Canyon, W slope of island Comment
  RSA529085  Lotus corniculatus Ted Nakase 1991-6-28 s.n. Los Angeles Glendora Comment
  RSA406779  Lotus corniculatus N. C. Cooper 1945-5-1 2182 Los Angeles Santa Monica Mountains 762 Comment
  RSA587992  Lotus crassifolius var. crassifolius Orlando Mistretta 1994-6-1 1303 Los Angeles Santiago Canyon 1588 Comment
  RSA583137  Lotus dendroideus var. dendroideus T. S. Ross 1993-4-22 6916 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  UCR186595  Lotus heermannii T. B. Salvato, Sarah Flack 2007-8-8 3038 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  UCR155144  Lotus humistratus A. C. Sanders 2005-5-5 29948 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  RSA498758  Lotus humistratus M. Lindsay 1928-4-5 14573 Los Angeles Palos Verdes Hills Comment
  RSA669287  Lotus micranthus LeRoy Gross, Naomi Fraga 2002-5-16 542 Los Angeles (Angeles National Forest road survey of 2002) Van Tassel road a short distance southeast of White Saddle. 976 Comment
  RSA780100  Lotus microcarpus Pam De Vries 2011-4-20 7777 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  RSA0072149  Lotus oblongifolius Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  RSA624985  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1963-5-5 8254 Los Angeles Bear Creek, off West Fork San Gabriel River. 548 Comment
  UCR210250  Lotus purshianus R. G. Swinney 2008-9-9 9442 Los Angeles San Gabriel Mtns., Big Rock Wash, 0.3 mi. north of junction of with Pallett Creek Rd. and Valyermo Rd. 1070 Comment
  RSA736331  Lotus salsuginosus Scott D. White, Justin M. Wood 2008-5-19 12013 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  RSA574307  Lotus salsuginosus var. salsuginosus R. G. Swinney 1994-5-7 2822 Los Angeles Glendora Wilderness Park, along Mystic Canyon Trail. N of Big Dalton Canyon Rd. 457 Comment
  UC864884  Lotus scoparius Ira W. Clokey, B. Templeton May 1929 4480 Los Angeles Mandeville Cnayon Santa Monica Mountains Comment
  UCR259639  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  RSA713819  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26233 Los Angeles Western San Gabriel Mtns: Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property. 351 Comment
  UC15693  Lotus strigosus J. H. Barber 1897-4-20 Los Angeles Pomona Comment
  RSA545337  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA534076  Lupinus agardhianus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5251 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  SEINET10488421  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at santa ana botanical garden. Hybridization by d.b.dunn. Rsa # 6450 x self plant 2 Comment
  UCR271075  Lupinus bicolor R. G. Swinney 2011-5-26 14835 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  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
  UCR272626  Lupinus bicolor R. G. Swinney 2011-6-7 15052 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  RSA596452  Lupinus bicolor R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness park, Big Dalton Canyon. Big Dalton Canyon Rd, 1.4 mi. E of Glendora Mtn. Rd 457 Comment
  RSA407118  Lupinus chamissonis F. R. Fosberg 1930-6-30 449 Los Angeles Del Rey. 2 Comment
  RSA0106880  Lupinus concinnus Steven A. Junak, Keri Kirkland 1998-5-2 SCA- 648 Los Angeles Santa Catalina Island. S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak. 243 Comment
  RSA3738  Lupinus concinnus subsp. orcuttii Carl B. Wolf 1932-5-10 3529 Los Angeles At summit of Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  RSA0064351  Lupinus elatus Daisie I. Huang 2006-7-16 06071601 Los Angeles 138 alternate, south of Hwy 2. 1893 Comment
  UC586831  Lupinus elatus Joseph Andorfer Ewan 1934-8-4 8323 Los Angeles Guffys Spring San Gabriel Mts., , Guffys Spring (Blue Ridge) 2438 Comment
  LA28429  Lupinus excubitus Harlan Lewis; 1940-4-3 1288 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
  SD146266  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mountains, CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. CA Edison Mesa-Vincent transmission line at tower 16-2, open disturbed area; Condor Peak 7.5' quad. 822 Comment
  UCD168361  Lupinus excubitus J. W. Barry 1980-4-1 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
  UC625117  Lupinus excubitus var. hallii F. R. Fosberg 1931-5-12 S 4849 Los Angeles Descanso Canyon near Coach Road Santa Catalina Id; Santa Catalina Id., Descanso Canyon 300 Comment
  UC865186  Lupinus excubitus var. hallii L. W. Nuttall 1920-1 26 Los Angeles Santa Catalina Island 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
  PASA1661  Lupinus formosus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA413634  Lupinus formosus var. formosus Robert Gustafson, Gary D. Wallace 1982-4-26 2538 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  SD84828  Lupinus guadalupensis Reid Moran 1941-2-18 587 Los Angeles San Clemente Island: gravelly bank of wash, Middle Ranch Creek. 29 Comment
  SFV19341  Lupinus hirsutissimus J. N. Hogue, C. Solek 2005-4-8 236 .3 Los Angeles San Gabriel Mountains West Fork San Gabriel River. Mouth of Devil's Canyon, north of Cogswell Reservoir. At end of dirt road on north side or reservoir. 750 Comment
  UCSB6981  Lupinus hirsutissimus McElwain, I. 1953-3-7 Los Angeles 1/4 mile north 18000 Bull Canyon Rd., Granada Hills Comment
  SEINET2062920 Image available Lupinus latifolius subsp. parishii Norman C. Cooper 1948-4-21 2684 Los Angeles Littlerock 762 Comment
  CAS-BOT-BC211711  Lupinus longifolius Moxley 1920-5-1 747 Los Angeles Hamilton Canyon, Santa Catalina Island Comment
  RSA413766  Lupinus longifolius Geo. L. Moxley 1914-2-4 203 Los Angeles Hills NW from Highland Park Comment
  RSA91265  Lupinus longifolius F. W. Peirson 1920-5-14 2147 Los Angeles Lukens Peak, San Gabriel Mts, Los Angeles Count, Alt 3000-3500ft 915 Comment
  SEINET10485610  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SBBG3705  Lupinus microcarpus var. microcarpus R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  UCD168372  Lupinus microcarpus var. microcarpus 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
  UC130904  Lupinus odoratus Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  UC604835  Lupinus odoratus Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9489 Los Angeles between Roosevelt and Wilsonia Comment
  RSA86954  Lupinus ruber F. W. Peirson 1921-5-18 2428 Los Angeles Palmdale, Antelope Valley Comment
  SEINET3069314  Lupinus sparsiflorus Richard G. Swinney 2009-4-2 10269 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1223 Comment
  UC1922288  Lupinus sparsiflorus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. Near 34deg 12' 17.5'' N 118deg 17' 46.1'' W T1N R14W N/2, NE/4 sec. 1. Elev. 1400 Feet. 427 Comment
  RSA414812  Lupinus sparsiflorus subsp. sparsiflorus George R. Johnston 1926-4-24 s.n. Los Angeles Antelope Valley Comment
  SFV20784  Lupinus succulentus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 695 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. South side of slope at saddle of Verdugo Motorway and Brand Park Motorway on the crest of mountains. 823 Comment
  UCR260339  Lupinus succulentus R. G. Swinney 2010-5-4 12540 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CATA591  Lupinus truncatus Mark L. Hoefs 1991-4-7 1036 Los Angeles Santa Catalina Island: Upper Avalon Canyon, above Wrigley Memorial and Garden, near road to Divide 326 Comment
  SBBG89751  Lupinus truncatus M. B. Dunkle 1939-4-6 7303 Los Angeles Mosquito Harbor Comment
  SEINET3131625  Lupinus truncatus G. B. Grant 1904-5-4 734 Los Angeles Pasadena Comment
  RSA3187  Lupinus truncatus C. B. Wolf 1932-5-8 2676 Los Angeles Low bluffs bordering Newport Bay, 1/2 mile north Corona Delmar, Orange County, Alt 25ft 8 Comment
  RSA414379  Lupinus truncatus Elbert Benjamine 1929-3-31 132 Los Angeles Among chaparral, La Crescenta Comment
  RSA414857  Lupinus truncatus Kathrine Houghton 1931-7-19 s.n. Los Angeles Los Angeles. Comment
  RSA654584  Lupinus truncatus Ron Martinolich 1991-4-7 8 Los Angeles Los Angeles, Griffith park, off of Griffith Pk. Dr.3 mi. west of Zoo Dr. at dirt parking area, south-east on fire road ca.25 mi., on north side, 10 ft. off road. Comment
  RSA661096  Lupinus truncatus Orlando Mistretta 1992-4-5 208 Los Angeles Guds, San Clemente Island. Comment
  LA209637  Lycium andersonii A. M. Johnson; 1932-4-17 3973 Los Angeles 6 mi. W of Palmdale Comment
  RSA722097  Lycium barbarum R. E. Riefner 2007-3-10 7 -115 Los Angeles Palos Verdes Peninsula, vicinity of Via Coronel Rd. and Via Olivera Rd. 115 Comment
  UC217973  Lycopersicon esculentum P. A. Munz 1921-10-5 4689 Los Angeles Claremont 365 Comment
  SBBG51689  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -510 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  POM308912  Lythrum californicum Unspecified 1942-5-22 627 Los Angeles trail to Flumes 4 and 5 N side, San Dimas Experimental Forest, San Gabriel Mt. Comment
  JEPS12574  Madia elegans Frank W. Peirson 1918-8-16 237 Los Angeles San Antonio Canyon San Gabriel Mountains 1341 Comment
  SBBG32127  Madia exigua R. N. Philbrick, R. F. Thorne 1967-5-18 B 67 -174 Los Angeles lower Bullrush Cyn Comment
  SBBG131674  Madia exigua S. A. Junak 1999-5-20 SCa 962 Los Angeles Black Jack Mtn, just E of high voltage line 502 Comment
  LA38634  Madia gracilis Henry J. Thompson; 1959-5-24 2023 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA601173  Madia gracilis L. C. Wheeler 1967-6-26 9897 b Los Angeles San Gabriel Mountains: Elsmere Canyon, south central. At the forks of the canyon, just north of the section line 488 Comment
  RSA774797  Madia gracilis R. G. Swinney 2009-7-23 11393 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR228149  Madia gracilis R. F. Thorne 1965-5-10 34481 Los Angeles Channel Islands, Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  UCR147849  Maianthemum stellatum L. C. Wheeler 1954-8-30 7059 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Buckhorn Campground 1966 Comment
  RSA320825  Malacothamnus clementinus F. C. Boutin 1967-4-23 1654 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  CAS-BOT-BC231881  Malacothamnus davidsonii A. Davidson 1907-1-1 s.n. Los Angeles San Fernando Wash Comment
  OBI5959  Malacothamnus davidsonii Carl B. Wolf 1931-7-30 2296 Los Angeles 1/2 mi E of San Fernando, San Fernando Valley 305 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
  RSA433296  Malacothamnus fasciculatus Blanche Trask 190 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA0078581  Malacothamnus fasciculatus Ira W. Clokey, B. Templeton 1929-07 4593 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA434308B  Malacothamnus fremontii Bonnie C. Templeton 1926-3-18 s.n. Los Angeles Arroyo Seco. Comment
  UC1177003  Malacothamnus marrubioides Carl B. Wolf 1941-8-2 4412 Los Angeles Ridge route rd. S. Frenchman Flat Forst Service Camp Liebre Mts. 762 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
  SBBG98609  Malacothamnus orbiculatus T. Ross, S. Boyd 1991-7-24 5638 Los Angeles NNE slope, Granite Mtn; T3N R11W S6, SW/4 of NE/4 1901 Comment
  UCR192171  Malacothrix californica A. C. Sanders 2008-4-17 34932 Los Angeles Transverse Range, hills c. 1.5 miles SW of Neenach School, c. 1.5 mi. west of Pine Canyon 989 Comment
  CAS-BOT-BC345408  Malacothrix clevelandii John Thomas Howell 1928-5-6 3778 Los Angeles On trail to Madrona [Madrona] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  UC1215243  Malacothrix foliosa Peter H. Raven 1962-4-11 17279 Los Angeles on sandy beach due w Wall 2; San Clemente Island 9 Comment
  UC987809  Malacothrix foliosa subsp. philbrickii Reid Moran 1941-4-27 824 Los Angeles w side Santa Barbara Island; Channel Islands; W side of Santa Barbara Island, Channel Islands 100 Comment
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Feb 14 2006
  HSC83827  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1975-9-3 47373 Los Angeles Santa Catalina Island, near Blue Cavern Point 15 Comment
  POM156278  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1902-6-20 2568 Los Angeles Ballona marshes near Mesmer. Comment
  POM6236  Malacothrix saxatilis var. tenuifolia I. M. Johnston 1910-6-10 1311 Los Angeles Playa del Rey. Comment
  RSA631392  Malacothrix saxatilis var. tenuifolia Valerie L. Soza, LeRoy Gross 1999-5-10 458 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 377 Comment
  UC124594  Malacothrix saxatilis var. tenuifolia H. M. Hall 1908-6-16 8279 Los Angeles Avalon Santa Catalina Island Comment
  UCR273403  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-4-26 14483 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA780693  Malacothrix saxatilis var. tenuifolia Sandy Leatherman, Pam DeVries 2011-4-28 2011 -10 Los Angeles Transverse Ranges; Liebre Mountains region; 925 meters SW of Vasquez Canyon Road at Mesa Drive in Santa Clarita 576 Comment
  SD126439  Malosma laurina F. R. Fosberg 1931-7-10 S 5373 Los Angeles Santa Catalina Island, Eagles Nest, Middle Ranch Canyon 180 Comment
  UC17937  Malosma laurina J. H. Barber 1897-9-8 277 Los Angeles Santa Monica Exp't. Station Comment
  UC191382  Malosma laurina S. B. and W. F. Parish June, 1887 1928 Los Angeles San Fernando Comment
  UC869601  Malosma laurina Carl B. Wolf 1932-10-6 4245 Los Angeles w. side Avalon; Santa Catalina Island, Avalon 60 Comment
  CAS-BOT-BC206655  Malva assurgentiflora Louis Wheeler 1932-8-28 1307 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  RSA495080  Malva pseudolavatera A. C. Sanders 1988-5-18 7818 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  RSA121896  Marah macrocarpa A. D. Gifford 1935-4-14 578 Los Angeles 2 1/2 miles E. of Whitaker Pk. 915 Comment
  UCD107539  Marah macrocarpa Gerald Dickinson 1962-4-8 14 Los Angeles 1 mile W Topanga Canyon and Mulholland Santa Monica Mountains. 356 Comment
  SEINET13710414  Marah macrocarpa J. Adams, J. Adams (Botany) 1963-1 1 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  UCR129507  Marrubium vulgare A. C. Sanders, Mark Elvin 2002-6-20 25234 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0036893  Marrubium vulgare Jami Liberi 1983-4-16 11 Los Angeles In Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA160458  Marrubium vulgare J. D. Olmsted 1958-5-19 144 Los Angeles 1 1/4 mile northwest of intersection of Baseline and Indian Hill northwest of Claremont. Orange groves at junction of Thompson and Johnson Creeks. Comment
  UC1871025  Marrubium vulgare T. S. Ross 1993-5-20 7193 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N NE/4 SE/4 sect 9; elev. ca 3160 ft. 963 Comment
  CAS-BOT-BC348126  Matricaria discoidea LeRoy Abrams 1902-5-31 2487 Los Angeles Along streets, Inglewood Comment
  RSA533429  Matricaria matricarioides Timothy S. Ross 1991-4-21 4520 Los Angeles Whittier Hills (puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  SBBG92113  Matthiola incana A. C. Sanders 1988-2-18 7687 Los Angeles El Segundo dunes, W of LA Intl Airport, between Pershing Drive and Vista Del Mar Blvd 38 Comment
  RSA355904  Medicago polymorpha Robert F. Thorne 1975-9-4 47390 Los Angeles Santa Catalina Island: Fishermans Cove; campus of USC Marine Science Center. Comment
  POM1216  Melica imperfecta D. L. Crawford 1916-5-20 721 Los Angeles Mountains above Claremont. Comment
  RSA599999  Melica imperfecta Steve Boyd, Lauren Raz 1997-5-28 9844 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA653292  Melica imperfecta Kelly Middleton, David Middleton 1988-5-8 15 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Road intersection 1220 Comment
  RSA729959  Melica imperfecta R. G. Swinney, D. W. Larson 1999-6-25 7406 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  UCR100604  Melica imperfecta B. G. Pitzer 1996-5-5 2853 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  POM348158  Melilotus albus Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA0087866  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  SBBG128314  Melilotus indicus M. L. Hoefs 1991-4-8 1068 Los Angeles upper Avalon Cyn, below Wrigley Memorial, near drainage channel 143 Comment
  RSA0087310  Mentha suaveolens R. G. Swinney 2010-9-13 13828 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA440368  Mentzelia albicaulis Ora M. Clark 1929-3-31 1929 Los Angeles S. W. of Lancaster. Comment
  RSA149737  Mentzelia laevicaulis Wesley O. Griesel 1961-8-9 s.n. Los Angeles San Gabriel Mts. State Highway #2 between Dawson Saddle and Vincents Gap. 2287 Comment
  JEPS42852  Mentzelia laevicaulis var. laevicaulis F. W. Peirson 1918-6-16 121 Los Angeles San Gabriel Mts., Rock Creek Comment
  OBI70984  Mentzelia veatchiana Steve Boyd, Lauren Raz 1997-4-16 9507 Los Angeles Liebre Mts Region: Lower Apple Cyn, due E of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and I-5 853 Comment
  RSA131256  Mentzelia veatchiana Percy C. Everett, E. K. Balls 1959-5-22 23801 Los Angeles Antelope Valley, SE of Fairview, 1/2-1 mile, San Andreas Rift 854 Comment
  RSA660080  Mentzelia veatchiana Orlando Mistretta 1992-5-25 413 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  SBBG13705  Mesembryanthemum crystallinum P. H. Raven 1962-7-11 18008 Los Angeles 1 mi S of Wilson Cove Comment
  UC851880  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 S 4891 Los Angeles Little Harbor; Santa Catalina Island, Little Harbor 2 Comment
  SBBG13482  Mesembryanthemum nodiflorum P. H. Raven 1962-7-11 17995 Los Angeles just S of old airstrip 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
  IRVC26342  Microseris heterocarpa A. C. Sanders 2003-4-16 26021 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  RSA607950  Microseris heterocarpa L. C. Wheeler 1936-6-6 4118 Los Angeles San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  UCR275005  Microseris sylvatica Michael Honer, Mary Ann Hasskamp 2006-4-19 2206 Los Angeles Tehachapi Mountains area, Slopes above Oso Canyon: 1 mile north of Quail Lake; c. 1 mile east of cement plant road 1067 Comment
  LA200857  Mimulus aurantiacus C. B. Adams; 1936-4-24 7772 Los Angeles 365 Comment
  RSA646135  Mimulus aurantiacus Orlando Mistretta 1992-7-13 701 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA714688  Mimulus aurantiacus A. C. Sanders, Mark A. Elvin 2003-6-18 26950 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  RSA0120031  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-19 16549 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  RSA127843  Mimulus aurantiacus var. pubescens Peter H. Raven 1959-5-9 14167 Los Angeles Santa Monica Mountains. Mulholland Hwy 1 mile W of Las Virgenes Road. Malibu Creek drainage. 274 Comment
  RSA442640  Mimulus aurantiacus var. pubescens N. C. Cooper 1945-5-1 2242 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  SFV3391  Mimulus aurantiacus var. pubescens K. A. Wilson 1961-4-29 1180 A Los Angeles San Gabriel Mountains Devil's Punchbowl camp site. Two miles south of Valyermo._x000B_Sandy rocky wash. 1220 Comment
  UC147938  Mimulus aurantiacus var. pubescens C. F. Baker 1909-5-23 5354 Los Angeles San Antonio Canyon Comment
  UC314538  Mimulus aurantiacus var. pubescens Marcus E. Jones, A. M. 1926-3-16 Los Angeles w Pomona Comment
  UC1018204  Mimulus aurantiacus var. pubescens J. Warren 1952-5-15 Los Angeles Fish Canyon 457 Comment
  RSA442693  Mimulus aurantiacus var. puniceus R. M. Beauchamp 1967-3-20 342 Los Angeles Catalina Island. South of Avalon above beach road. Comment
  SEINET3159637  Mimulus bifidus G. B. Grant 1904-5-24 286 Los Angeles From Altadena, southern California. Comment
  UCR116291  Mimulus bigelovii B. G. Pitzer 1998-5-12 3704 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  RSA596009  Mimulus brevipes Tim S. Ross, J. Mark Porter 1995-5-4 8426 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR155601  Mimulus brevipes A. C. Sanders, T. B. Salvato 2005-4-26 29695 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
  UCR177281  Mimulus brevipes Scott D. White, Michael Honer 2003-5-7 9211 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  RSA0011227  Mimulus brevipes Cook 1905-5-19 s.n. Los Angeles Coble [Cobal] Canyon, Claremont. 457 Comment
  SFV14469  Mimulus cardinalis J. K. Reveal 1987-9-13 3889 Los Angeles San Fernando Valley Limekiln Canyon, 0.5 miles north of Rinaldi. 427 Comment
  RSA580181  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-25 7916 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  UCR252897  Mimulus floribundus R. G. Swinney 2010-5-29 13402 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA571278  Mimulus fremontii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8319 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA408104  Mimulus fremontii R. S. Woglum 1932-04 s.n. Los Angeles Palmdale Comment
  UCR16005  Mimulus fremontii var. fremontii Steve Stadler 1966-4-17 41766- 64 Los Angeles E side of San Gabriel Mtns., 0.5 mi. north of Mile High on road [N4] that connects Mile High with the Palmdale - Cajon Junction Road [Hwy 138] 1463 Comment
  SFV20998  Mimulus guttatus L. Gross 2003-5-4 816 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Side canyon coming into Brand Canyon on the east side near the above coordinates. Metamorphic bedrock seep running down a partly shady cliff in narrow and steep canyon (near head). 519 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
  UC103805  Mimulus parishii Dr. A. Davidson Los Angeles Rock Creek Mohave Desert Comment
  RSA0127186  Mimulus parishii Louis C. Wheeler 1967-7-20 10141 Los Angeles Aliso Canyon. 1067 Comment
  RSA757656  Minuartia douglasii Orlando Mistretta, Christine Mistretta 2008-4-16 2458 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  SBBG80285  Mirabilis californica F. C. Boutin 1967-4-23 1683 Los Angeles Lemon Tank 304 Comment
  UCR228428  Mirabilis laevis Dave Silverman, Colleen Martin, Jeff Jarvis 2010-5-21 8048 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1116 Comment
  RSA545283  Mirabilis laevis D. Propst, Mark Hoefs 1973-3-3 42 Los Angeles Road just above Escondido, Santa Catalina Island. 244 Comment
  UC7635  Mirabilis laevis var. crassifolia Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  UCR281366  Mirabilis laevis var. crassifolia R. G. Swinney 2014-5-15 16511 Los Angeles San Gabriel Mountains, Glendora, ridge system between west and north forks of Hook Cyn., 0.48 miles north of Sierra Madre Ave. 427 Comment
  UCD86062  Monanthochloe littoralis R. L. Pendleton; F. M. Reed 1909-7-6 1425 Los Angeles Santa Catalina Island. 1 Comment
  RSA641076  Monardella australis Orlando Mistretta 1995-7-12 1924 Los Angeles San Gabriel Mountains: Little Rock Creek, Buckhorn Campground. 2073 Comment
  UC1537600  Monardella breweri subsp. lanceolata Gordon H. True Jr. 1938-6-22 884 Los Angeles near Bouquet Canyon Dam 304 Comment
  RSA233785  Monardella cinerea Robert F. Thorne, DeBuhr 1972-8-18 42258 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E from peak of Mt. Islip. 2409 Comment
  UCR190112  Monardella cinerea R. G. Swinney 1998-8-27 6805 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, above Coldwater Canyon 2652 Comment
  LA202604  Monardella hypoleuca subsp. hypoleuca Carl Epling; 1936-10-15 sn Los Angeles Santa Monica Mountains, Topanga Canyon, Kneen's Camp Comment
  RSA707387  Monardella viridis subsp. saxicola Naomi S. Fraga, Tim Thibault, Eshan Taquvi 2005-7-26 1632 Los Angeles West Fork of Palmer Canyon. 671 Comment
  RSA0050046  Monardella viridis subsp. saxicola Wendy Boes 2014-7-4 2014 -004 Los Angeles San Gabriel Mountains; Sunset Peak 1646 Comment
  SBBG61099  Monolopia lanceolata R. Hoffmann 1932-4-26 Los Angeles W of Palmdale Comment
  RSA617233  Muhlenbergia californica LeRoy Gross 1998-9-12 53 Los Angeles Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground 853 Comment
  RSA78219  Muhlenbergia californica J. C. Roos 1951-7-30 5075 Los Angeles Big Rock creek, north of Mt. Baden Powell, San Gabriel Mountains. Alt. 6500 ft. Comment
  SEINET10599698  Muhlenbergia californica Victor Duran 1933-8-11 Duran 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. Rocky gullies or near streams. 1600 Comment
  RSA604399  Muhlenbergia microsperma Sara L. Crockett, Steve Junak 1997-3-27 606 Los Angeles Santa Catalina Island. N slope of Little Harbor, directly above beach; ca 50 m upslope. 43 Comment
  UCR270041  Muhlenbergia microsperma R. G. Swinney 2011-3-22 14176 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA750832  Muhlenbergia rigens R. G. Swinney 2005-8-9 8404 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR282021  Muilla maritima R. G. Swinney 2014-5-1 16316 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
  RSA549195  Muilla maritima Timothy S. Ross, Peter Fritsch 1990-6-20 3682 Los Angeles Ridgetop between Roberts Canyon and W Fork San Gabriel River. 1255 Comment
  UC5277  Myrica californica J. Burtt Davy October, 1896 2751 Los Angeles Santa Monica Comment
  SBBG65081  Nama californica R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCR192174  Nama californica A. C. Sanders 2008-4-17 34929 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SEINET3480607  Nandina domestica Unknown 16 Los Angeles Los Angeles, Los Angeles Comment
  RSA574277  Nassella cernua Timothy S. Ross 1993-4-21 6832 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200- ft. NNE to NE of 'Quart' (1252 ft) 396 Comment
  RSA133248  Nassella lepida P. H. Raven 1959-5-3 14059 Los Angeles Santa Monica Mountains. Mulholland Drive near Beverly Glen Boulevard, (34?N; 118-119?W) 381 Comment
  RSA654581  Nassella lepida Ron Martinolich 1991-5-14 76 Los Angeles Los Angeles, Muholland Drive, 1.7 mi. west of intersection with Encino Hills Dr. Comment
  RSA710512  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-5-9 1192 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  SBBG119313  Nassella lepida V. Soza with L. Gross 2001-4-18 1136 Los Angeles between Little Santa Anita and Santa Anita Cyns 701 Comment
  RSA661181  Nassella pulchra LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 406 Los Angeles Vedugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 518 Comment
  RSA592012  Navarretia hamata Mark Hoefs, Doug Propst 1973-5-4 229 Los Angeles Santa Catalina Island: lower Middle Canyon, at Camp Cactus turn off 145 Comment
  RSA788857  Navarretia hamata J. Mark Porter, Lauren Machen 2012-5-28 15154 Los Angeles Claremont; Gravel pits S of Foothill Blvd. and between Claremont Blvd. and Monte Verde Ave. 390 Comment
  UC23386  Navarretia hamata Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  UC856871  Navarretia hamata Alice Eastwood May 27 1906-Jun 10 1906 225 Los Angeles adjacent Los Angeles; Roscoe Comment
  JEPS15010  Navarretia hamata subsp. hamata Ira W. Clokey, B. Templeton 1929-7-1 4577 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
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Oct 9 2016
  RSA661007  Navarretia hamata subsp. hamata LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 388 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon, along road (Heather Ridge Dr.) 335 Comment
  RSA723067  Navarretia hamata subsp. hamata LeRoy Gross 2007-5-16 2735 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  UCR155604  Navarretia setiloba A. C. Sanders 2005-5-11 30136 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
  UC890872  Nemacladus longiflorus var. longiflorus Alice Eastwood 1906-6-5 232 Los Angeles Roscoe Comment
  RSA439256  Nemacladus ramosissimus L. C. Wheeler 1934-4-27 2568 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  RSA0011361  Nemacladus sigmoideus Orlando Mistretta, Youssef Atallah 2011-8-12 6022 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA590849  Nemacladus sigmoideus T. S. Ross, S. D. Boyd 1990-5-29 2671 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
  CAS-BOT-BC231564  Nicotiana glauca J. H. Thomas 1956-9-29 6460 Los Angeles Pasadena. Behind Devil's Gate Dam Comment
  RSA450808  Nicotiana glauca A. C. Sanders 1987-12-4 7582 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA529146  Nicotiana glauca Tim S. Ross 1991-4-8 4474 Los Angeles Elephant Hill: western Pomona. 229 Comment
  UCSB5911  Nicotiana glauca Kamb, Peter 1948-3-6 Los Angeles Upper Sonoran Zone. Southern Crest of the San Rafael Hills 426 Comment
  RSA0060134  Nicotiana quadrivalvis Scott D. White, Pam De Vries 2004-6-14 10488 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
  SBBG65253  Nitrophila occidentalis S. W. Hutchinson -May-1930 1153 Los Angeles near Lancaster 701 Comment
  CAS-BOT-BC71175  Notholaena californica Larry Kiefer 1963-3-3 442 Los Angeles along W. fk, San Gabriel Riv., from c. 1/4 mi W of hgwy 39 to end of bluff 243 Comment
  UC26821  Nuttallanthus texanus Harley P. Chandler 1897-3-18 Los Angeles Pomona 304 Comment
  POM223067  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  POM250396  Oenothera californica subsp. californica I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-5-13 4745 Los Angeles Bouquet Canyon. 800 Comment
  UCR162517  Oenothera elata subsp. hirsutissima Anuja Parikh, Nathan Gale 2004-6-2 2021 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
  UCR273248  Oenothera elata subsp. hirsutissima R. G. Swinney 2011-6-1 14949 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
  UC1007150  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13996 Los Angeles Claremont Comment
  UCR206506  Oenothera laciniata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36967 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  LA202430  Oenothera villosa subsp. strigosa Arthur C. Gibson; 2005-6-5 5072 Los Angeles Comment
  SBBG31441  Oligomeris linifolia R. F. Thorne 1966-4-4 35753 Los Angeles SE of Ballast Pt and Catalina Harbor; isthmus 91 Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  RSA799970  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7817 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1070 Comment
  RSA0097153  Opuntia ficus-indica Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18409 Los Angeles Claremont, 100m south of the SE base of Indian Hill. 409 Comment
  RSA459610  Opuntia vaseyi F. R. Fosberg 1932-7-15 8613 Los Angeles Laurel Canyon, Santa Monica Mountains. Comment
  RSA0070989  Orobanche californica subsp. feudgei Robert F. Thorne, Mae Z. Thorne 1969-7-10 38434 Los Angeles San Gabriel Mts., Angeles National Forest: C. 1.5 miles W of Wrightwood. 1950 Comment
  RSA715754  Orobanche fasciculata Scott D. White, Pam De Vries 2006-5-10 11419 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA641080  Orobanche valida subsp. valida Orlando Mistretta 1995-7-6 1868 Los Angeles San Gabriel Mountains: Big Rock Creek. South Fork Campground, on south side of trail. (Orobanche valida survey site D). 1479 Comment
  RSA601031  Osmorhiza berteroi L. C. Wheeler 1966-9-21 8919 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2439 Comment
  POM68648  Osmorhiza brachypoda Marcus E. Jones 1924-4-16 s.n. Los Angeles Stoddard Canon. Mouth of San Antonio Canyon. Comment
  UCR190129  Osmorhiza chilensis R. G. Swinney 1998-10-3 7013 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  SEINET3161224  Oxalis corniculata G. B. Grant 1906-1-10 sn Los Angeles Pasadena Comment
  UCR220240  Oxalis corniculata R. G. Swinney 2009-4-13 10332 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  SBBG114768  Oxalis corniculata subsp. corniculata R. Burgess, P. Munro 2000-9-15 4225 Los Angeles bluff on N side Hwy 1, 2 mi S of Sycamore Cyn; Santa Monica Mtns Nat Recreation Area 3 Comment
  SDSU605  Oxalis rubra Gerald Collier 1951-5-22 Los Angeles 11621 Mayfield Avenue, L.A. 49. Comment
  RSA628584  Oxytheca parishii var. parishii Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  RSA0116184  Oxytheca trilobata R. G. Swinney 2011-5-16 14748 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), 1.18 mi. at 73 deg SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp. 1375 Comment
  RSA39634A  Oxytheca trilobata Robin S. Collins 1973-5-28 322 Los Angeles Angeles National Forest; Trail Canyon, 2.5-3 miles into canyon from beginning of pack trail. 884 Comment
  RSA473028  Packera ionophylla Anstruther Davidson 1893-7-6 s.n. Los Angeles Big Rock Creek 1371 Comment
  UCSB21116  Packera ionophylla Wilken, Dieter 1968-7-9 Los Angeles Along the Angeles Crest Highway at Dawsen Saddle between Big Pines and Islip Saddle, San Gabriel Mtns. 2468 Comment
  RSA339681  Paeonia californica Robert F. Thorne, M. Z. Thorne 1980-3-23 54014 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  CAS-BOT-BC422785  Papaver californicum Le Roy Abrams 1899-3-1 234 Los Angeles Santa Monica Mts Comment
  CHSC108506  Parietaria judaica R. E. Riefner Jr. 2007-3-10 07 -108 Los Angeles City of San Pedro, Cabrillo Beach Marina, Whalers Walk St. at Via Cabrillo Marina Dr., Berth 28. UTM 11S 0381098E 3731502N. 3 Comment
  SEINET222750 Image available Parkinsonia florida Leila M. Shultz 1981-4-26 5001 Los Angeles CULTIVATED; Rancho Santa Ana Botanical Garden. 305 Comment
  RSA733306  Paspalum vaginatum R. E. Riefner 2006-7-29 6 -327 Los Angeles City of Carson, near Victoria Park, Dominguez Channel, at Del Amo Blvd. near Carson St. 7 Comment
  UCR110909  Passiflora caerulea A. C. Sanders, D. Malueg 1998-6-22 22018 Los Angeles Rosemead, S side of I-10 Fwy, Rockhold Ave. at Dorothy St., west of Walnut Grove Ave., along SCE powerlines 84 Comment
  POM168937B  Pectocarya linearis subsp. ferocula M. B. Dunkle 1929-3-17 2061 Los Angeles Cape Canyon, Catalina Island Comment
  RSA709631  Pectocarya linearis subsp. ferocula LeRoy Gross 2005-4-28 2119 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
  SDSU20026  Pectocarya linearis subsp. ferocula Michael G. Simpson, Lori L. Simpson 2012-4-21 3678 Los Angeles Santa Catalina Island, top of ridge north of USC Marine station. 57 Comment
  JEPS20124  Pectocarya linearis subsp. ferocula Frank W. Peirson 1919-3-27 324 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  RSA251461  Pectocarya linearis subsp. ferocula R. F. Thorne 1973-4-11 42824 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  RSA527655  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, Laurel Arnseth 1990-4-8 4375 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA653473  Pectocarya penicillata Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 787 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UC1871066  Pectocarya recurvata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4801 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
  RSA0061142  Pectocarya setosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6846 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR190914  Pedicularis semibarbata R. G. Swinney 1998-7-2 6249 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA230245  Pedicularis semibarbata Robert F. Thorne, M. Z. Thorne 1969-7-10 38357 Los Angeles San Gabriel Mountains: Angeles National Forest. Along Angeles Crest Highway, Near Lodgepole Picnic Ground. 2317 Comment
  RSA0093052  Pellaea andromedifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14348 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  LA212164  Pellaea andromedifolia A. L. Haines; 1937-4-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Santa Anita Canyon. 457 Comment
  RSA535717  Pellaea andromedifolia T. S. Ross 1991-5-22 5459 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 60 Comment
  RSA624466  Pellaea mucronata var. mucronata L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA686914  Pellaea mucronata var. mucronata L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon. Los angeles National Forest Comment
  UC812400  Pellaea mucronata var. mucronata Ira W. Clokey, B. Templeton May 1929 4537 Los Angeles Mandeville Canyon; Santa Monica Mts 450 Comment
  RSA310139  Penstemon caesius Wayen E. Sawyer 1980-7-9 8 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and Vincent Gap, 1.3 mile from Dawson Saddle. 2348 Comment
  LA200890  Penstemon centranthifolius A. M. Johnson; 1934-3-16 4363 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  SD253515  Penstemon centranthifolius R. G. Swinney 2011-6-14 15156 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  SD254671  Penstemon centranthifolius R. G. Swinney 2011-7-8 15486 Los Angeles San Gabriel Mountains; Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5'Q) 1427 Comment
  UCR116294  Penstemon centranthifolius B. G. Pitzer 1998-5-12 3712 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  HSC24304  Penstemon centranthifolius Nels Rinden 1971-5-2 33 Los Angeles 6 mi. NW of Phelan on Hwy. 138 in Mojave Desert 1280 Comment
  SEINET13276826 Image available Penstemon grinnellii R. G. Swinney 2011-1 15753 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UCR276727  Penstemon grinnellii R. G. Swinney 2010-9-21 13855 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  POM171399  Penstemon grinnellii subsp. grinnellii Unspecified 1930-7-30 s.n. Los Angeles San Gabriel Mts. Comment
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Feb 5 2011
  SD65483  Penstemon grinnellii var. grinnellii Reid Moran 1967-7-22 14096 Los Angeles Canyon south of Chilao, San Gavriel Mountains. 1550 Comment
  RSA407933  Penstemon heterophyllus Martha Hilend 1928-5-27 s.n. Los Angeles Hills near Elizabeth Lake. Comment
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Jun 14 2012
  RSA408101  Penstemon heterophyllus var. australis Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  SD125718  Penstemon heterophyllus var. australis K. Harper 1986-5-17 Los Angeles Bouquet Canyon Rd. just W of Spundy Canyon Rd., E of Bouquet Reservoir, near road Comment
  POM8088  Penstemon labrosus Fordyce Griffiths Jr. 1917-8-28 s.n. Los Angeles Pine Flats. 1616 Comment
  RSA549490  Penstemon labrosus Tim S. Ross, Steve D. Boyd 1990-6-18 3472 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UCR47463  Penstemon labrosus David Charlton 1986-6-15 0291 Los Angeles San Gabriel Mtns., Lightning Ridge, at intersection of Forest Road 3N06 and 4 mi NW of San Bernardino Co. line 2256 Comment
  RSA401907  Penstemon spectabilis subsp. subviscosus M. Bisbee 1917-5-24 s.n. Los Angeles Hills and canyons, n. Eagle Rock Comment
  UC1070045  Pentachaeta aurea Jerome S. Horton 1936-5-7 325 Los Angeles 1/4 mi se San Dimas Reservoir; Pomona Quadrangle, San Dimas Canyon Comment
  SD92996  Pentagramma triangularis W. Bertsch 1953-4-21 80 Los Angeles Little Dalton Canyon 365 Comment
  RSA0070816  Pentagramma triangularis R. F. Thorne 1971-4-23 41466 Los Angeles San Gabriel Mts., Angeles National Forest: along trail from Chantry Flats into Santa Anita Canyon. 609 Comment
  UCSB62235  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-1 Los Angeles San Gabriel Mtns., ravine just above Angeles Forest Hwy. ca. 1/2 mi. of hwy. 2 1066 Comment
  UCSB62245  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-9-4 Los Angeles San Gabriel Mtns., Fish Fork of the East Fork of the San Gabriel River, ca. 1 mi. downstream from upper Fish Fork Camp 1584 Comment
  PASA2333  Perezia microcephala Annetta Carter 1929-7-28 Los Angeles near mouth of Big Santa Anita Can. Comment
  SBBG70204  Peritoma arborea E. Rockwell -May-1929 Los Angeles Arcadia, Ridge St Hwy Comment
  CAS-BOT-BC73798  Peritoma arborea var. arborea J. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  SD113492  Peritoma arborea var. globosa Darley F. Howe 1947-6-2 1582 Los Angeles Tehachapi Mountains. Comment
  SD85070  Perityle emoryi E. R. Blakley 1962-6-9 5185 Los Angeles San Clemente Island, China Point near lighthouse 10 Comment
  CAS-BOT-BC419005  Persicaria lapathifolia Louis C. Wheeler 1966-10-27 9099 Los Angeles San Gabriel Mountains, Angeles National Forest: West Fork of San Gabriel River at Camp Rincon Comment
  CAS-BOT-BC167750  Petalonyx thurberi Tim Ross; Steve Boyd 1992-7-5 6632 Los Angeles San Francisquito Canyon: ca 1 mile N of Powerhouse No. 2 501 Comment
  RSA660436  Phacelia austromontana Orlando Mistretta 1992-6-19 596 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  SDSU21032  Phacelia brachyloba Ian Cain, Ryan Gilmore 2010-6-2 1485 Los Angeles Angeles National Forest, San Gabrial Mountains. Roughly 2.49km east of Mount Gleason summit 1730 Comment
  UC880991  Phacelia brachyloba I. W. Clokey and B. C. Templeton 1930-5-13 4756 Los Angeles near stream Boquet Canyon 450 Comment
  SEINET4080544  Phacelia californica G. Sphon 1959-1 335 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  LA38574  Phacelia cicutaria var. hispida W. O. Griesel; May 1938 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  RSA0081781  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 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
  SD6820  Phacelia cicutaria var. hispida J. C. Nevin Los Angeles Los Angeles Comment
  SD69694  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-28 36215 Los Angeles Santa Catalina Island; west-facing rocky bank and talus near upper end Renton Mine Road in Pebbly Beach Canyon. 259 Comment
  UCR260349  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12560 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  POM3747  Phacelia cicutaria var. hispida C. F. Baker 1909-3-15 5308 Los Angeles Mts. near Claremont. Comment
  HSC13631  Phacelia cicutaria var. hubbyi G. E. Anderson 1966-4-4 18 Los Angeles 12 mi. N of Topanga near Hwy. 27 Comment
  RSA775874  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2010-5-26 5209 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  UCR280895  Phacelia cryptantha R. G. Swinney 2014-5-7 16410 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  SFV11581  Phacelia curvipes M. L. Vincent 1964-6-24 588 Los Angeles San Gabriel Mountains On Old Blue Ridge Road 0.5 miles from New Highway (Angeles Crest) at Grassy Hollow camping area. 2250 Comment
  RSA426230  Phacelia distans Donald R. Bissing 1973-6-2 125 Los Angeles Evey Canyon, 0.5 mile from canyon mouth 744 Comment
  SBBG107226  Phacelia distans J. Rebman, J. Dunn 1996-4-29 3102 Los Angeles Eel Cove and Eel Cove Cyn 10 Comment
  OBI13821  Phacelia distans Bill Arbaugh 1966-4-26 33 Los Angeles W on 138 from Lancaster 762 Comment
  RSA587261  Phacelia distans Orlando Mistretta 1994-5-13 1212 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA786325  Phacelia distans K. Dobry 1991-5-4 263 Los Angeles Stunt Ranch. Cold Creek Cyn. Santa Monica Mts. Stunt Rd Comment
  CHSC99840  Phacelia fremontii LeRoy Gross 2005-5-3 2193 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. T4N, 5N R9W, 10W S6, 1,31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. In sand, along Valyermo Road. 1119 Comment
  RSA426156  Phacelia fremontii Anstruther Davidson 1895-8-3 s.n. Los Angeles Lancaster Comment
  UC1426017  Phacelia fremontii E. K. Balls and N. N. Balls 1966-3-17 12121 Los Angeles along Hwy 138 2.3 mi w Llano (Palmdale to the Cajon Pass) Comment
  UC672352  Phacelia fremontii Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts. Comment
  RSA426163  Phacelia fremontii T. W. Minthorn 1923-5-30 s.n. Los Angeles 3 miles W of Palmdale Comment
  RSA656479  Phacelia grandiflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 726 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. 518 Comment
  RSA627567  Phacelia grandiflora Sandy Leatherman 1998-7-1 30 Los Angeles San Gabriel Canyon. North of State Route 39 and east of Roberts Canyon. Comment
  UCR270034  Phacelia imbricata R. G. Swinney 2011-7-21 15530 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA732810  Phacelia imbricata subsp. imbricata R. G. Swinney 2000-5-19 7682 Los Angeles San Gabriel Mtns.: San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden hills Rd. and 400 m west of stream. 512 Comment
  JEPS38130  Phacelia imbricata subsp. patula Lauramay T. Dempster and Clare Hardham 1965-6-16 4124 Los Angeles Angeles Crest Hwy n Waterman Mountain; San Gabriel Mts., Cloudburst Summit 2139 Comment
  RSA730249  Phacelia imbricata subsp. patula R. G. Swinney 1999-6-5 7269 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  UC192180  Phacelia longipes S. B. and W. F. Parish June 1887 1979 Los Angeles Rock Creek Comment
  UC212200  Phacelia longipes I. M. Johnston 1917-8-21 Los Angeles head of San Antonio Canyon (Sleepy Hollow) San Antonio Mountains 2286 Comment
  RSA177773  Phacelia lyonii Robert F. Thorne, P. Everett 1965-5-11 34525 Los Angeles Ballast Point, E side of Catalina Harbor, Santa Catalina Island 61 Comment
  UC124484  Phacelia lyonii H. M. Hall 1908-6-16 8283 Los Angeles Avalon Santa Catalina Island Comment
  CHSC728  Phacelia minor E. Thomas 1940-2-17 Los Angeles Padua Hills above Claremont. Comment
  POM49698  Phacelia minor L. R. Abrams 1901-4-7 s.n. Los Angeles Devil's Gate Comment
  RSA0120160  Phacelia minor R. G. Swinney 2014-5-27 16666 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA199028  Phacelia minor W. M. Gauntt 1966-4-30 160 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  RSA703623  Phacelia minor Tim Thibault, Ryan Gilmore 2004-4-29 241 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  UC881199  Phacelia minor Ira W. Clokey, B. Templeton Mar., 1929 4532 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  RSA608352  Phacelia minor Louis C. Wheeler 1931-2-22 s.n. Los Angeles Sargents Grove: (vicinity of Claremont). Comment
  PASA1335  Phacelia mohavensis Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA0106739  Phacelia ramosissima R. G. Swinney 2011-5-19 14764 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  CHSC99447  Phacelia ramosissima var. latifolia LeRoy Gross; M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1061 Los Angeles Transverse Ranges: Verdugo Mountains region: South side of mountains; West side of Brand Canyon just a short distance above the cemetery. UTM Zone 11: 3783548N 0382545E. 307 Comment
  SFV13269  Phacelia tanacetifolia M. J. Thor 1983-4-16 177 Los Angeles Mojave Desert Hi Vista, north of Saddle Back Butte State Park along 200th Street. 933 Comment
  SBBG13423  Phalaris aquatica E. R. Blakley 1962-10-5 5423 Los Angeles old mill site in Hen Cove N of Whites Landing 3 Comment
  POM356910  Phalaris canariensis F. R. Fosberg 1931-4-3 S 4474 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach. 2 Comment
  RSA533913  Phalaris lemmonii Timothy S. Ross, O. Mistretta, M. Hammit 1991-5-18 5180 Los Angeles San Clemente Island: 1100 ft. SSW of Twin Dams, 1450 ft. NNW of Boulder Marker (1859') 491 Comment
  RSA187971  Pholistoma auritum Robert F. Thorne 1966-4-5 35827 Los Angeles Santa Catalina Island, Cape Canyon. 274 Comment
  UC24142  Pholistoma auritum H. M. Hall 1902-5-11 3272 Los Angeles Sierra Santa Monica Comment
  LA91457  Pholistoma auritum var. auritum Bruce Douglas Clayton; Greg Shaw 1972-4-4 57 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  UCR220163  Pholistoma membranaceum R. G. Swinney 2009-4-2 10251 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCD120971  Pholistoma racemosum Reid Moran 1941-2-17 574 Los Angeles Los Angeles Co.; San Clemente Island, Middle Ranch, east side of ravine. 500 Comment
  RSA0043166  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4341 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
  POM354318  Phoradendron macrophyllum C. Epling, L. Ellison 1930-3-1 s.n. Los Angeles Mandeville Canyon. Comment
  RSA600263  Phoradendron macrophyllum Louis C. Wheeler 1933-2-22 1480 Los Angeles Little Rock Creek. 1067 Comment
  UCR143551  Phoradendron macrophyllum George H. Grinnell 1923-6-5 s.n. Los Angeles San Gabriel Mtns., near Camp Baldy 1372 Comment
  CAS-BOT-BC141141  Phoradendron serotinum subsp. macrophyllum Thompson 1919-12-1 s.n. Los Angeles Noble Ranch, Valyermo Comment
  CAS-BOT-BC141160  Phoradendron serotinum subsp. macrophyllum Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  RSA384008  Phyllospadix F. R. Fosberg 1931-5-22 4757 Los Angeles Bird Rock, Ithmus Harbor, Santa Catalina Island. Comment
  POM219188  Physalis lancifolia Louis C. Wheeler 1932-8-29 1309 Los Angeles 2 miles northeast of La Verne. 373 Comment
  POM301539  Physalis pubescens var. grisea J. C. Roos 1942-8-26 1749 Los Angeles San Gabriel, Tri-city Sewage Disposal Plant. Comment
  RSA176517  Picris echioides P. H. Raven 1960-5-31 15469 Los Angeles Campus of University of California 107 Comment
  CAS-BOT-BC78445  Pinus contorta subsp. murrayana Le Roy Abrams; E. A. McGregor 1908-7-3 624 Los Angeles North Baldy Mountain, San Gabriel Mountains 1676 Comment
  UCD169087  Pinus coulteri R. G. Swinney 2009-6-24 11274 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA729308  Pinus monophylla R. G. Swinney 1998-7-2 6223 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR124705  Pinus monophylla B. C. Templeton 1932-8-26 5090 Los Angeles San Gabriel Mtns., Big Rock Canyon, near Vincent Gap, below Big Pines Park, Angeles National Forest 2012 Comment
  SEINET11740425  Pinus radiata R. H. Daily 1915-11-13 s.n. Los Angeles Los Angeles Comment
  UC1134135  Pinus sabiniana R. St. John 1930-2-24 102 Los Angeles Pine Canyon Tejon Quad., Pine Canyon 914 Comment
  RSA592341  Piperia Peter H. Raven 1962-5-22 17835 Los Angeles Santa Catalina Island, above Fourth of July Cove 30 Comment
  RSA549226  Piptatherum miliaceum Scott D. White 1992-10-8 922 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
  RSA593415  Piptatherum miliaceum Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8905 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR2596  Piptatherum miliaceum F. M. Reed 1925-6-18 5131 Los Angeles Foothill Boulevard on Baldwin Ranch, west of Arcadia 244 Comment
  UCR206166  Pistacia atlantica A. C. Sanders, T. B. Salvato 2009-5-29 37042 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
  CAS-BOT-BC71780  Pityrogramma triangularis var. viscosa Tim Ross 1993-4-22 6909 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit 289 Comment
  SBBG53187  Plagiobothrys canescens M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UCR125411  Plagiobothrys canescens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25703 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  OBI69328  Plagiobothrys canescens John Knapp, Denise Knapp 2003-5-10 65 Los Angeles Catalina Island. 367196.09N x 3695593.63E 274 Comment
  UCR231905  Plagiobothrys leptocladus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8018 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  UC185440  Plantago coronopus Katharine Brandegee 1916-5-18 Los Angeles Santa Catalina Island Comment
  POM155757  Plantago erecta M. B. Dunkle 1928-4-22 1887 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  POM283965  Plantago erecta Arthur L. Cohen 1934-8-2 518 Los Angeles Ocean Park, California. Comment
  RSA719818  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  RSA401952B  Plantago lanceolata Edith Allen 1939-7-26 s.n. Los Angeles Playa Del Rey Comment
  CDA20321  Plantago major M. O'Brien 2004-10-12 s.n. Los Angeles Solstice Canyon. 0 Comment
  UCR204019  Platanthera R. G. Swinney 2001-9-15 8142 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  RSA250511  Platanthera sparsiflora Robert F. Thorne, John Dourley 1967-10-10 37353 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  LA200743  Platanus racemosa Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  LA200744  Platanus racemosa Robert G. Engman; sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR212786  Platanus racemosa Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1777 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, Sycamore Canyon, [Sycamore Canyon Road north of San Dimas Canyon Park] 396 Comment
  UC303419  Plectritis ciliosa subsp. insignis P. A. Munz 1918-4-30 2092 Los Angeles Hills s of Pomona; Southern California Comment
  RSA0015839  Pluchea odorata var. odorata LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6211 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA728342  Poa Gary D. Wallace 1982-4-17 1902 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCR198407  Poa annua LeRoy Gross 2007-3-30 2619 Los Angeles Transverse Ranges: Verdugo Mountains, northeast side of the range, unnamed canyon or east branch of Engleheard Canyon, dirt road near the mouth of the canyon 496 Comment
  SBBG130998  Poa annua S. A. Junak 1999-5-6 SCa 882 Los Angeles 0.1 mi W of Emerald Bay Rd, at gate 15 Comment
  UCR223571  Poa pratensis R. G. Swinney 2009-6-3 11031 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0092329  Poa secunda R. G. Swinney 2011-4-20 14448 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA0108887  Poa secunda R. G. Swinney 2010-5-21 12878 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA715212  Poa secunda Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1947 Los Angeles Fort Tejon Road. Comment
  JEPS51380  Polycarpon depressum Frank W. Peirson 1918-6-4 46 Los Angeles foothills e Rubio Canyon; e of Rubio Canyon 609 Comment
  UCD98417  Polycarpon tetraphyllum Daryl Koutnik 1978-4-21 408 Los Angeles Glendale at the east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  SBBG14229  Polygonum arenastrum M. A. Piehl 1962-10-3 62489 Los Angeles main rd near top of Swain's (Swain) Cyn 381 Comment
  SD230268  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: Southeast of Alameda St. and San Diego (405) Fwy, between Sepulveda Blvd. and 233rd St. [L.A. Harbor Dept., Classification Yard, East of Dominguez Flood Control Channel.] Comment
  UCR157681  Polygonum hydropiperoides Scott D. White 1994-7-18 2289 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Wash 335 Comment
  UCR85625  Polygonum lapathifolium Scott D. White 1992-10-8 926 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
  CAS-BOT-BC71907  Polypodium californicum Mrs. Blanche Trask 1900-2-1 s.n. Los Angeles Catalina Island Comment
  LA94045  Polypodium californicum Lawrence L. Kiefer; 1966-5-14 2031 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  RSA601312  Polypodium californicum L. C. Wheeler 1933-5-1 1678 Los Angeles Santa Monica Mountains, Rustic Canyon 61 Comment
  SEINET197986 Image available Polypodium californicum G. B. Grant 1902-5-1 1026 Los Angeles Pasadena, Southwest California 914 Comment
  RSA689897  Polypodium californicum John E. Marble 1894-5-2 s.n. Los Angeles Elgsian? Park. Los Angeles Calif Comment
  RSA689942  Polypodium californicum May N. Ackley 1931-2-22 99 Los Angeles Wolfskill camp, San Dimas Canyon Comment
  UCSB62294  Polypodium californicum Kiefer, Lawrence 1967-6-3 Los Angeles San Gabriel Mtns., Devil's Canyon-Bear Canyon Wild Area, W fork Bear Creek, tributary of W fork San Gabriel River, ca. 0.5mi upstream 701 Comment
  UCSB62313  Polypodium californicum Kiefer, Lawrence 1967-2-18 Los Angeles San Gabriel Mtns., N of Pasadena, N Fork Mill Creek, ca. 4mi upstream from Angeles Forest Hwy. 1219 Comment
  UCSB62463  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62501  Polypodium californicum Kiefer, Lawrence 1966-4-10 Los Angeles Santa Monica Mtns., Sepulveda Canyon, Sepulveda Blvd., ca. 2mi S of Mulholland Hwy, Canyon W of the Blvd. 304 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
  CATA1173  Polypogon interruptus Mark L. Hoefs 1995-5-30 2168 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  LA10126  Polypogon monspeliensis W. O. Griesel; 1935-10-13 sn Los Angeles Boquet Canyon, along edge of stream 761 Comment
  SBBG109150  Polypogon viridis S. A. Junak 1997-10-20 SCl 970 Los Angeles N end of beach at mouth of Thirst Cyn 3 Comment
  LA94791  Polypogon viridis O. A. Plunkett; 1925-11-28 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA549134  Polystichum imbricans subsp. imbricans T. S. Ross 1992-7-16 6709 Los Angeles San Gabriel Mts: NE slope of Condor Peak on granitic substrate; 88 degrees E, 195m distant from summit 1557 Comment
  RSA0021514  Populus balsamifera subsp. trichocarpa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5143 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SD237603  Populus fremontii A. C. Sanders, Dan S. Cooper 2010-4-30 10534 Los Angeles South Coast: Madrona Marsh, Torrance (Torrance 7.5'Q) 24 Comment
  UCR276801  Populus fremontii R. G. Swinney 2011-3-29 14238 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UC1348952  Potamogeton illinoensis Robert F. Thorne and M. Z. Thorne 1966-8-29 36578 Los Angeles upper end of canyon of North Fork of San Gabriel River (Crystal Lake Recreation Area, Crystal Lake); San Gabriel Mountains, Angeles National Forest 1676 Comment
  UCR202526  Potentilla glandulosa R. G. Swinney 2005-8-15 8479 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  RSA250514  Potentilla glandulosa subsp. ewanii Robert F. Thorne, John Dourley 1967-10-10 37358 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  LA52102  Potentilla glandulosa subsp. glandulosa A. M. Johnson; 1929-4-20 4428 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  UCR177579  Prunus fasciculata LeRoy Gross 2005-5-3 2184 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
  RSA453252  Prunus ilicifolia Gordon Pilone, Mark Parratt 1962-6-24 499 Los Angeles 1 mile W of Topanga Canyon Road on [Robinson?] Road 305 Comment
  RSA599581  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-3-25 9308 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR255515  Prunus ilicifolia Dan S. Cooper 2014-6-26 614- 25 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  UCR260024  Prunus ilicifolia R. G. Swinney 2010-3-30 12105 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCSB8567  Prunus ilicifolia subsp. ilicifolia Kraebel, C. 1932-6-4 Los Angeles San Dimas Canyon, SRE plots Comment
  SBBG31071  Prunus ilicifolia subsp. lyonii R. F. Thorne 1966-9-15 Los Angeles below rd NW of Parson's Landing 152 Comment
  SD51925  Prunus ilicifolia subsp. lyonii Peter Raven 1962-5-9 17643 Los Angeles San Clemente Island:steep grassland in canyon just north of Guds 182 Comment
  RSA187962  Prunus lyonii Robert F. Thorne 1966-9-16 36719 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Rd.; upper end of Pebbly Beach Canyon 274 Comment
  RSA533412  Prunus persica Tim S. Ross 1991-4-21 4499 Los Angeles Whittier hills (Puente hills, pro parte): Turnbull canyon drainage near mouth of Turnbull canyon. 154 Comment
  POM1828  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  SD144044  Pseudognaphalium biolettii Scott D. White 1997-3-12 4768 Los Angeles Santa Monica Mts: NW of Zuma Beach. Encinal Cyn Rd between Pacific Coast Hwy and Mulholland Hwy. 299 Comment
  CAS-BOT-BC356713  Pseudognaphalium californicum Tim Ross 1992-6-15 6576 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): S-draining tributary of Turnbull Canyon 304 Comment
  UCR270031  Pseudognaphalium californicum R. G. Swinney 2011-4-9 14389 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  SBBG131905  Pseudognaphalium californicum S. A. Junak 2000-6-30 SCa 1359 Los Angeles just W of summit of Mt Torquemada and Triangulation Point "well 2" 402 Comment
  CAS-BOT-BC357038  Pseudognaphalium luteoalbum David B. Weissman 1971-6-15 57 Los Angeles Santa Catalina Island. Mills Landing 6 Comment
  CAS-BOT-BC357042  Pseudognaphalium luteoalbum Tim Ross; Orlando Mistretta 1993-5-26 7311 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (U.S.F.S.) between Wilson Canyon Saddle and May Canyon Saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon 1048 Comment
  CAS-BOT-BC357458  Pseudognaphalium ramosissimum LeRoy Abrams 1904-9-2 4169 Los Angeles Elysian Park. Los Angeles 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
  POM923  Pteridium aquilinum var. pubescens Clara Roush 1908-2-10 s.n. Los Angeles Palmers Canyon Comment
  CAS-BOT-BC421198  Pterostegia drymarioides John H. Thomas 1957-5-11 6749 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  RSA392910  Pterostegia drymarioides Edwin Kline 1925-4-20 s.n. Los Angeles Arroyo Seco Comment
  SEINET7047909  Purshia tridentata var. glandulosa Steven R. Hill, Kate Kramer 2001-4-22 33358 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  RSA2104  Pycnanthemum californicum Ernest Braunton 1928-09 1022 Los Angeles San Gabriel Canyon. 20 miles up canyon. 610 Comment
  RSA532836  Pycnanthemum californicum Tim S. Ross 1991-8-14 5794 Los Angeles Pacifico Mtn rd, 3200 ft NW of Alder saddle. 1768 Comment
  CAS-BOT-BC466056  Pyrola picta Le Roy Abrams; E. A. McGregor 1908-7-5 644 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  POM48579  Quercus X grandidentata George B. Grant 1904-6-14 s.n. Los Angeles Monrovia Comment
  UCR198388  Quercus X grandidentata Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 667 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 549 Comment
  UCSB27959  Quercus X grandidentata Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill Rd. north of Pomona, California 274 Comment
  RSA477329  Quercus X macdonaldii F. R. Fosberg 1931-4-13 s 4589 Los Angeles L fork Pebble [Pebbly] Beach, Santa Catalina Island. 80 Comment
  CHSC21927  Quercus agrifolia Robert A. Schlising 1970-11-19 2956 Los Angeles Santa Monica Mountains; about 2 miles northeast of Tapia Park. Comment
  RSA128283  Quercus agrifolia H. J. Thompson 1959-3-27 1893 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 732 Comment
  UC440371  Quercus agrifolia Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  RSA670799  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-3-13 31090 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  RSA3307  Quercus berberidifolia Carl B. Wolf 1931-10-20 2467 Los Angeles 1/2 mile above Montrose, on road from Tujunga to La Canada 457 Comment
  CAS-BOT-BC62535  Quercus chrysolepis W. R. Dudley; F. H. Lamb 1896-6-9 4430 Los Angeles near Firs in canon with firs, Kings Canyon, Liebre Mountains Comment
  RSA0062561  Quercus chrysolepis R. G. Swinney 2010-4-15 12270 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  RSA476879  Quercus chrysolepis Blanche Trask 1900-04 d.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA774172  Quercus chrysolepis R. G. Swinney 2009-7-22 11326 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UC1586182  Quercus chrysolepis Tim Ross 1991-8-16 5850 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1712 Comment
  SEINET12034289  Quercus chrysolepis H. W. Graham 1927-1 9- 9 -43 Los Angeles road from Mt Lowe Tavern, Mt Lowe, to observatory on Mt. Wilson,near Los Angeles Comment
  SEINET7845628 Image available Quercus durata var. gabrielensis D. E. Bramlet 2011-1 4871 Los Angeles Transverse Ranges; San Gabriel Mountains region: Middle of Maple Cyn., 490m east of Big Tujunga Rd. &477m W of Angeles Forest Hwy. (Condor Peak:T2N R12W). 786 Comment
  UCR146495  Quercus durata var. gabrielensis Scott D. White 2004-7-27 10664 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  RSA476788  Quercus engelmannii Christina Clark 1928-12-8 s.n. Los Angeles Coast plains & foothill, E. Pasadena Comment
  SBBG44661  Quercus engelmannii W. B. Holt 1941-10-31 24 -1941 Los Angeles Monrovia Comment
  CAS-BOT-BC94754  Quercus john-tuckeri Daryl Lee Koutnik; Bruce Holguin 1978-4-1 215 Los Angeles W side of the Sierra Hwy and 1 miles N of State Hwy 14 987 Comment
  UCD46261  Quercus john-tuckeri Daryl Koutnik; Bruce Holguin 1978-4-1 215 Los Angeles Scattered shrub on east-facing slope. West side of Sierra Hwy and 1 mile north of State Hwy 14. 987 Comment
  UCSB60670  Quercus kelloggii Muller, Cornelius 1937-8-7 Los Angeles 5 mi West of Swarthand, San Bernardino Mtns. 1524 Comment
  CAS-BOT-BC61502  Quercus lobata Geo. B. Grant 1901-5-12 3719 Los Angeles Pasadena Comment
  RSA571662  Quercus lobata Louis C. Wheeler 1933-8-5 2050 Los Angeles Encino, S side San Fernando Valley. 229 Comment
  CDA21991  Quercus pacifica J. M. Tucker 1992-4-1 s.n. Los Angeles Channel Islands; Santa Catalina Island; Above Cherry Valley Creek, roughly 1.5 miles northwest of the isthmus, 1/4 mile above road; elev. 300 ft Comment
  POM243781  Quercus pacifica F. R. Fosberg 1931-5-6 S 4824 Los Angeles Cape Canyon, Santa Catalina Island. 280 Comment
  POM296403  Quercus pacifica Lyman Benson, Joseph Lanjouw 1953-5-2 15106 -a Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  CAS-BOT-BC248856  Quercus tomentella P. S. Manos 1988-10-28 693 Los Angeles San Clemente Island, S fork of Vista Canyon 243 Comment
  CAS-BOT-BC258363  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 238 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  SEINET10477725  Quercus tomentella Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4814 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UC1349050  Quercus tomentella Robert F. Thorne and P. Everett 1965-5-10 34503 Los Angeles upper end of Gallagher Canyon Santa Catalina Island, Gallahger Canyon 411 Comment
  RSA600130  Quercus wislizeni var. frutescens Steve Boyd, Lauren Raz 1997-5-28 9852 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA233402  Rafinesquia californica R. F. Thorne 1966-4-17 36116 Los Angeles San Clemente Island. On steep canyon slope near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  RSA399381  Ranunculus californicus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SBBG31260  Ranunculus hebecarpus R. F. Thorne 1966-4-7 Los Angeles Cherry Valley 60 Comment
  UCR139424  Ranunculus hebecarpus Fay A. MacFadden 1931-3-29 17 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  RSA390186  Rhamnus californica subsp. californica E. Crow 1928-5-2 281 Los Angeles San Antonio Canyon Comment
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Jun 10 2012
  UCR133527  Rhamnus californica subsp. californica Donald R. Bissing 1973-6-2 111 Los Angeles San Gabriel Mtns., Evey Canyon, 0.9 mile from canyon mouth 854 Comment
  CAS-BOT-BC56013  Rhamnus ilicifolia John Thomas Howell 1928-3-4 3376 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  UCR209269  Rhamnus ilicifolia 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
  UCR212770  Rhamnus ilicifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1779 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, San Dimas Canyon Creek 380 Comment
  UCR271600  Rhamnus ilicifolia R. G. Swinney 2011-10-13 15791 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  CAS-BOT-BC59824  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon, agbove last almond orchard. 121 Comment
  RSA253138  Rhamnus pirifolia Gary D. Wallace, Haefs 1975-3-23 1413 Los Angeles Santa Catalina Island. Near entrance to Arboretum in upper Avalon Canyon. Comment
  UC1211038  Rhamnus pirifolia Huron H. Smith 1912-5-29 5026 Los Angeles Santa Catalina Island 396 Comment
  UCR270462  Rhus aromatica R. G. Swinney 2011-5-12 14684 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  CATA1464  Rhus integrifolia Mark L. Hoefs, Robert F. Thorne 1996-4-6 2649 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  RSA0105157  Rhus integrifolia R. G. Swinney 2011-3-15 14102 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park. 232 Comment
  RSA248839  Rhus integrifolia R. F. Thorne 1973-4-11 42855 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA754105  Rhus integrifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1828 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 402 Comment
  SBBG12017  Rhus integrifolia E. R. Blakley 1961-9-23 4744 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 6 Comment
  UCR95481  Rhus integrifolia R. F. Thorne 1967-5-19 36886 Los Angeles Santa Catalina Island; at head of Sweetwater Cyn. 457 Comment
  CAS-BOT-BC167960  Rhus ovata W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  LA33877  Rhus ovata Henry J. Thompson; 1959-5-24 1995 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA650229  Rhus ovata C. J. Humphrey, Herbert Humphrey, Det Whitehead 1936-6-7 204 Los Angeles In foothills, 20 miles East of Riverside. 609 Comment
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Feb 19 2013
  CAS-BOT-BC92300  Ribes amarum C. F. Baker 1909-5-15 5339 Los Angeles Mountans near Claremont. Comment
  UCD102100  Ribes amarum Geoffrey Levin 1974-4-27 60 Los Angeles Evey Canyon, a side canyon on San Antonion Canyon. San Gabriel Mountains, Santa Ana River, Pacific Slope drainage basin. 751 Comment
  POM99  Ribes amarum C. F. Baker 1903-2-27 6327 Los Angeles San Antonia Canyon, Claremont. Comment
  RSA9647  Ribes amarum Louis C. Wheeler 1932-3-20 525 Los Angeles San Dimas Canyon. 533 Comment
  UC1127375  Ribes aureum P. L. Johannsen 1934-2-16 286 Los Angeles 2 mi s Newhall (along R. R. track); Santa Susana Quadrangle Comment
  LA205466  Ribes aureum var. gracillimum J. Sauer; T. Brothers 1979-5-6 6069 Los Angeles Soledad Canyon, near Ravenna Comment
  CAS-BOT-BC93082  Ribes californicum var. hesperium Le Roy Abrams 1902-3-11 3119 Los Angeles Sepulvada Canyon, Santa Monica Mountains. Comment
  UCR191785  Ribes cereum R. G. Swinney 1998-7-8 6334 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA230728  Ribes cereum var. cereum Robert F. Thorne 1969-7-9 38577 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  CAS-BOT-BC108871  Ribes divaricatum var. parishii Ellsworth Bethel 1920-6-26 s.n. Los Angeles El Monte. Comment
  RSA476173  Ribes indecorum Louis C. Wheeler 1932-2-28 450 Los Angeles Thompson Creek dam near Claremont. 502 Comment
  UCR220230  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  SEINET12215920  Ribes indecorum R. F. Thorne 1971-1 41494 Los Angeles San Gabrien Mts., Cobal Canyon, ca 3 mi N of Claremont 503 Comment
  CAS-BOT-BC173424  Ribes malvaceum Ernest Braunton 1903-1-10 774 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC173441  Ribes malvaceum Joseph Andorfer Ewan 1933-4-1 10914 Los Angeles Higgins Canyon, Santa Monica Mts. 304 Comment
  LA200839  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  SEINET6033051 Image available Ribes malvaceum Scott D. White 1997-11-25 s.n. Los Angeles San Gabriel River Canyon: N of Azusa; alluvial bench S of unnamed dirt access road to gauging stn. below Morris Dam; just SE of private orchard. T1N R10W S13, 14, 24 259 Comment
  UCR190540  Ribes malvaceum R. G. Swinney 2000-6-19 7825 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  POM277130  Ribes malvaceum var. viridifolium E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Reservoir above Glen Oaks Canyon, Glendale . Comment
  UCSB2637  Ribes malvaceum var. viridifolium Haller, John 1950-3-26 Los Angeles San Gabriel Mtns; along Glendora Mtn Road; North Shore 1066 Comment
  RSA441460  Ribes malvaceum var. viridifolium John P. Hill 1933-3-24 s.n. Los Angeles Verdugo Woodlands, near Los Angeles Comment
  UCR204022  Ribes nevadense R. G. Swinney 2001-9-15 8146 Los Angeles San Gabriel Mountains, Windy Spring, c. 0.3 mi northwest of Little Jimmy Campground on Pacific Crest Trail 2256 Comment
  CAS-BOT-BC209697  Ribes quercetorum F. V. Coville; R. Bacigalupi 1925-4-19 177 Los Angeles 1 mi north of Sanberg's Ridge Route, Sierra Liebre 1097 Comment
  CAS-BOT-BC186152  Ribes roezlii var. roezlii Tim Ross 1990-8-17 3170 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2121 Comment
  RSA754298  Ribes speciosum Shannon Lucas 2010-2-3 s.n. Los Angeles Along trail in Upper Turnbull Canyon, Whittier Comment
  SBBG118149  Ribes viburnifolium F. R. Fosberg 1931-4-4 4485 Los Angeles Cherry Cyn 30 Comment
  SD38474  Ricinus communis Ritter 1931-5-4 Los Angeles South Pasadena, roadside near ostrich farm Comment
  UCR260021  Ricinus communis R. G. Swinney 2010-4-21 12320 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR55486  Ricinus communis J. A. Adams 1965-5-23 234 Los Angeles San Gabriel Mtns., Palmer Canyon, 1/4 mi upstream from Padua Hills, near Claremont 823 Comment
  UC129387  Rigiopappus leptocladus H. M. Hall and H. P. Chandler 1906-6-12 7395 Los Angeles San Francisquito Canyon Comment
  SFV16295  Robinia pseudoacacia J. D. Dilley 1996-7-18 85 Los Angeles San Gabriel Mountains Angeles National Forest, Mill Creek Summit on Angeles Forest Highway. Growing in gravely soil on a ridge top. 1494 Comment
  CAS-BOT-BC74536  Rorippa curvisiliqua Wesley O. Griesel 1961-5-30 s.n. Los Angeles Devils Gate Dam, Pasadena. 457 Comment
  LA51498  Rorippa nasturtium-aquaticum O. H. Kappler; 1944-5-14 618 Los Angeles 0 Comment
  POM183612  Rosa californica Joseph A. Ewan 1929-5-25 3501 Los Angeles Upper Brush Canyon, Santa Monica Mountains. Comment
  RSA449696  Rosa californica F. R. Fosberg 1931-7-16 S- 5601 Los Angeles Santa Catalina Island, Gallagher's Canyon-right fork- canyon bottom Comment
  SBBG128444  Rosa californica M. L. Hoefs 1995-5-23 2143 Los Angeles upper Middle Cyn 225 Comment
  POM212391  Rosa woodsii subsp. gratissima Carl B. Wolf 1931-10-23 1352 Los Angeles Swartout Valley, San Gabriel Mountains. Wrightwood Lodge. 1829 Comment
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Jul 4 2013
  CDA3937  Rubus ulmifolius var. inermis G. C. Fleischman 1949-8-4 Los Angeles 1997 Villa Street, Pasadena. 0 Comment
  CAS-BOT-BC158813  Rubus ursinus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  POM243784  Rubus ursinus F. R. Fosberg 1931-5-2 S 4740 Los Angeles Santa Catalina Island. Below Middle Ranch Dam, Middle Ranch Canyon. Comment
  RSA0010521  Rubus ursinus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6802 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA86833  Rubus ursinus F. W. Peirson 1921-5-3 8653 Los Angeles North Fork of Millards Canyon 1067 Comment
  RSA466349  Rumex H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach. Comment
  CATA1505  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak 1996-7-9 2718 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  UCR190438  Rumex crispus R. G. Swinney 2000-5-10 7676 Los Angeles San Gabriel Mtns., San Gabriel River bottom, c. 600 m NE of confluence with Fish Canyon between bike path and river bottom 220 Comment
  RSA0083014  Rumex hymenosepalus R. G. Swinney 2010-5-12 12768 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA65455  Rumex obtusifolius Joseph A. Ewan 1932-7-4 11153 Los Angeles Millards Canyon, San Gabriel Mts Comment
  UCR256596  Rumex stenophyllus Anuja Parikh, Nathan Gale 2010-5-21 3393 Los Angeles San Gabriel River, just west of Hwy I-605, 0.7 km north of Lower Azusa Road/Los Angeles St 109 Comment
  UC520126  Rupertia physodes unknown 1932-5-18 Los Angeles Stone Canyon Santa Monica Mountains Comment
  LA212246  Salazaria mexicana Lee Haines; 1954-5-16 s.n. Los Angeles Pines-to-Palms Highway, West slope of Deep Canyon. 1158 Comment
  CAS-BOT-BC103149  Salix bonplandiana Ernest Braunton 1932-4-17 1067 Los Angeles Tujunga [Canon] Canyon, San Gabriel Mts. Comment
  RSA0092454  Salix exigua R. G. Swinney 2011-6-23 15287 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA747349  Salix exigua R. G. Swinney 2008-5-8 8797 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
  POM2032  Salix gooddingii I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA482505  Salix gooddingii Richard Noyes, L. Arnseth 1988-4-30 541 Los Angeles Claremont. Foothills of San Gabriel Mountains. North facing slope of Thompson Creek Dam. 500 Comment
  RSA720150  Salix gooddingii LeRoy Gross 2007-4-6 2627 Los Angeles Southern front of the range: Wildwood Canyon. 499 Comment
  LA208677  Salix laevigata Carl Hedin; Joseph Ewan 1933-1-28 7629 Los Angeles San Fernando Valley, Los Angeles River, 400 m E of Radford Ave [Area 1] Comment
  POM360933  Salix laevigata Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  POM50878  Salix laevigata L. R. Abrams 1901-4-11 1467 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA347573  Salix laevigata Barry A. Prigge 1986-3-20 6960 Los Angeles Medea creek, just north of Paramount Ranch State Park. 232 Comment
  RSA597810  Salix laevigata Louis C. Wheeler 1969-4-20 s.n. Los Angeles Liebre Mountains. Wagon Wheel Ranch, Aliso Canyon. Comment
  POM219773  Salix lasiolepis Carl. W. Sharsmith 1931-11-15 3 Los Angeles Foot of coastal headland near mouth of Topanga Canyon. 15 Comment
  POM362721  Salix lasiolepis Robert Gustafson 1981-3-18 2128 a Los Angeles Ballona Wetlands, Area 1. Comment
  POM362750  Salix lasiolepis Ora M. Clark 1929-2-3 1498 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA0081795  Salix lasiolepis R. G. Swinney 2010-3-16 11930 Los Angeles 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
  RSA522434  Salix lasiolepis Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4017 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  RSA602562  Salix lasiolepis Louis C. Wheeler 1967-9-2 10617 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  RSA607924  Salix lasiolepis Louis C. Wheeler 1961-6-13 7877 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  RSA618592  Salix lasiolepis Louis C. Wheeler 1966-8-21 8822 Los Angeles San Gabriel Mountains: Northwest slope, Mount Burnham Comment
  SBBG57887  Salix lasiolepis F. R. Fosberg 1932-1-26 7177 Los Angeles Los Angeles River at foot of Cahuenga Pass grade 180 Comment
  UC1409067  Salix lasiolepis Robert F. Thorne and J. Dourley 1967-10-10 37371 Los Angeles along Angeles Crest Hwy 1.5 mi sw Dawson Saddle; San Gabriel Mt., Angeles National Forest 2301 Comment
  UCR187268  Salix lasiolepis A. C. Sanders 2006-4-18 32092 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR210221  Salix lasiolepis R. G. Swinney 2008-8-14 9427 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR95241  Salsola gobicola L. C. Wheeler 1946-8-28 6279 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  SEINET5586219  Salsola tragus R. G. Swinney 2008-1 9535 Los Angeles San Gabriel Mtns.: Table Mountain West, north of Big Pines. 2284 Comment
  RSA0110206  Saltugilia splendens subsp. grantii Richard G. Swinney 2011-5-16 14734 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA0091748  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-26 14855 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
  RSA469676  Saltugilia splendens subsp. splendens N. C. Cooper 1949-6-6 4207 Los Angeles Angeles Crest Hwy. Los Angeles Co. 1220 Comment
  UCR271256  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-12 14698 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  RSA584869  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-6-4 2799 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
  RSA0086921  Salvia apiana R. G. Swinney 2010-8-9 13470 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  SBBG44375  Salvia carduacea G. Sphon, D. Hearn 1956-5-30 19 Los Angeles Black Butte, Antelope Valley Comment
  RSA401453B  Salvia columbariae H. de Forest 1929-05 s.n. Los Angeles Griffith Park. Comment
  SBBG95203  Salvia columbariae M. B. Dunkle 1928-3-31 1774 Los Angeles Campo Blanco 182 Comment
  UC1871053  Salvia columbariae T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3939 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCR220156  Salvia columbariae R. G. Swinney 2009-4-2 10260 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR271529  Salvia columbariae R. G. Swinney 2011-5-31 14904 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
  RSA401466B  Salvia columbariae Anstruther Davidson 1890-04 s.n. Los Angeles [No location information on label.] Comment
  RSA651670  Salvia columbariae Paul Currie 1969-4-13 23 Los Angeles East Fork region of San Gabriel River, San Gabriel Mountains. 610 Comment
  RSA651686  Salvia columbariae Warren Crawford 1969-5-15 s.n. Los Angeles San Gabriel Canyon, second dam. [Hwy 39] Comment
  UCD125665  Salvia dorrii Marc Meyer; Mike Alvord and Marc Blain 1993-5-1 17 Los Angeles Mojave Desert, 3.4 miles from Pearblossom Highway and Largo Vista road, near Three Sisters. 1100 Comment
  UCR121668  Salvia dorrii June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  UC1124693  Salvia dorrii var. pilosa G. E. Sindel 1935-1-16 119 Los Angeles 4 mi s Neeach; Angeles National Forest, Tejon Quad. 1219 Comment
  SD15619  Salvia leucophylla Paul Covel 1936-6-2 Los Angeles North of Malibu Beach. Comment
  UC1124755  Salvia leucophylla A. Lewis 1933-5-1 194 Los Angeles Honby; San Fernando Quad. 457 Comment
  CAS-BOT-BC233317  Salvia mellifera John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  JEPS62755  Salvia mellifera Julia A. Bettys 1929-4-29 Los Angeles Los Angeles Comment
  LA99221  Salvia mellifera R. L. Armacost; 1960-6-9 Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  RSA570011  Salvia mellifera Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4935 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  UC520119  Salvia mellifera Carl Epling 1932-6-10 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCD125594  Salvia mellifera Geoffrey Levin 1974-4-27 37 Los Angeles San Antonio Canyon below San Antonio Canyon Dam. San Gabriel Mountains. South slope. 579 Comment
  SEINET8018533  Salvia mellifera W. A. Setchell 1901-3-13 s.n. Los Angeles Elysian Park. Comment
  SFV10209  Sambucus nigra subsp. caerulea J. G. Cuti 1978-6-14 s. n. Los Angeles Santa Susana Mountains About 0.5 miles southwest of Aliso Canyon off the north end of Reseda Blvd. 366 Comment
  UCR256206  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-19 12844 B Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UCR272591  Sambucus nigra subsp. caerulea R. G. Swinney 2011-8-5 15608 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
  UC526238  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  UCR65210  Sanicula crassicaulis F. R. Fosberg 1931-4-1 S- 04436 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon near Avalon 75 Comment
  RSA471119  Sarcodes sanguinea B. C. Templeton 1959-4-16 s.n. Los Angeles Charlton Flats Comment
  UC883433  Satureja douglasii Ezra C. Knopf 468 Los Angeles Santa Catalina Island Comment
  UC883434  Satureja douglasii L. W. Nuttall 295 Los Angeles Santa Catalina Island Comment
  SD223162  Schismus arabicus Robert F, Thorne, P. Everett 1965-5-10 34455 Los Angeles around Echo Lake, Santa Catalina Island 410 Comment
  UCD92928  Schismus arabicus Robert F. Thorne 1966-6-2 36525 Los Angeles Santa Catalina Island.Between Moonstone and White Coves. 30 Comment
  RSA0096641  Schismus arabicus Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCA- 629 Los Angeles Santa Catalina Island. Ca. 0.85 air miles NW of Est Peak. Along road to East Peak, just SW of Peak 1245. 347 Comment
  RSA656321  Schismus barbatus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 689 Los Angeles Verdugo Mountains, north side: Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park., Area burned in August 1999. 594 Comment
  RSA706408  Schismus barbatus L. M. Prince 2002-3-28 2 -297 Los Angeles Claremont, Rancho Santa Ana Botanic Garden, Fay's Meadow 400 Comment
  UC1182203  Schismus barbatus Mr. Brown 1958-1 Los Angeles Monrovia Comment
  UCR162585  Schoenoplectus americanus Anuja Parikh, Nathan Gale 2004-5-31 2015 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 1) at and below confluence of Potrero Canyon 259 Comment
  SEINET10320463  Schoenoplectus americanus G. B. Grant 4893 Los Angeles Los Angeles Comment
  RSA587086  Scirpus microcarpus Orlando Mistretta, Steve Boyd 1995-5-23 1720 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn 1631 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
  SEINET12344294  Scrophularia californica Unknown 1972-6-8 s.n. Los Angeles Bud Wood Fireroad, Topanga Canyon 244 Comment
  UCSB22996  Scrophularia californica Jensen, Karen 1965-4-10 Los Angeles Hills 1 mile south southwest of Flint Pk., Verdugo Hills. 365 Comment
  SBBG71562  Scutellaria mexicana R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  RSA445334  Scutellaria siphocampyloides L. E. Hoffman 1930-5-6 s.n. Los Angeles Angeles Natl. Forest, Big Pines Co Park Comment
  UC1375349  Scutellaria siphocampyloides Robert F. Thorne 1971-6-26 39995 Los Angeles near Chilao Old Camp (Angeles National Forest); San Gabriel Mountains, Angeles National Forest 1615 Comment
  SFV5279  Scutellaria tuberosa W. A. Kelley 1969-3-30 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. Comment
  RSA0081652  Sedum spathulifolium I. M. Johnston 1917-7-1 1745 Los Angeles [San Gabriel Mountains] Near Brown's Flat. [San Dimas Experimental Forest] 1295 Comment
  UCR190078  Selaginella asprella R. G. Swinney 1998-8-27 6806 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  SBBG13150  Selaginella bigelovii E. R. Blakley 1962-10-3 5388 Los Angeles E side of Black Jack Mtn at the start of rd to White's Landing 411 Comment
  UCR88694  Selaginella bigelovii Scott D. White 1995-10-19 3702 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  POM262782  Senecio flaccidus var. douglasii J. C. Roos 1940-8-31 242 Los Angeles San Gabriel River, near El Monte Comment
  SFV12530  Senecio flaccidus var. douglasii J. W. Dole 1980-9-5 s. n. Los Angeles Santa Susana Mountains Santa Susana Mountains. Comment
  UC1211048  Senecio lyonii Huron H. Smith 1912-5-31 5057 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  RSA682080  Senecio mikanioides Scott D. White 2003-1-7 8796 Los Angeles Cismontane Interior Valley: Claremont. Blaisdell Park, east of College Ave. and north of Oak Park Dr. Southeast corner of the park. 332 Comment
  UC1536075  Senecio vulgaris Robert F. Thorne 1975-9-4 47387 Los Angeles USC Marine Science Center campus Santa Catalina Island, Fisherman's Cove, USC Marine Science (Fisherman's Cove, Santa Catalina Island) Comment
  POM186317  Sesbania exaltata Louis C. Wheeler 1932-9-8 1354 Los Angeles 2 miles NE La Verne 366 Comment
  UCR143428  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UC519735  Setaria parviflora Joseph Andorfer Ewan 1932-7-11 7470 Los Angeles Ingraham St. Los Angeles Comment
  CAS-BOT-BC243624  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles Between Claremont and Pomona 365 Comment
  UCSB470  Setaria viridis B., K. 1943-6-18 Los Angeles Lysimeter plots, Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mountains 822 Comment
  RSA447539  Sherardia arvensis A. Menke 1955-4-13 s.n. Los Angeles Los Angeles. Comment
  SFV2296  Sidalcea malviflora R. L. Armacost Apr 1934 115 dup. Los Angeles Santa Monica. Vacant hillside. Comment
  CAS-BOT-BC384569  Silene coniflora Peter H. Raven; Henry J. Thompson 1960-5-16 15385 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Ridge east of Temescal Canyon 243 Comment
  CAS-BOT-BC387020  Silene gallica A. C. Sanders; Dan S. Cooper 2010-3-12 37321 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  RSA727273  Silene gallica R. G. Swinney 1998-5-25 6151 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  SBBG96802  Silene gallica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4240 Los Angeles lower half of China Cyn Comment
  RSA477879  Silene gallica Robert Gustafson 1980-4-29 2214 Los Angeles Ballona Wetlands, Area 2. Comment
  SD66895  Silene gallica R. Mitchel Beauchamp 1967-3-17 244 Los Angeles San Clemente Island; west of Wilson Cove. Comment
  LA200355  Silene laciniata subsp. laciniata Jonathan Sauer; D. Birindelli, L. Birindelli 1969-6-21 4590 Los Angeles Comment
  RSA755713  Silene verecunda R. G. Swinney 2008-7-3 9151 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  RSA798118  Sisymbrium altissimum Jane Tirrell, Graham Bothwell, Walter Fidler, Shirley Imsand, Rich Philibosian 2012-7-27 LS 0134 Los Angeles South side California State Route 2 at mile marker 66.82 2295 Comment
  UCR125938  Sisymbrium altissimum A. C. Sanders, Mark Elvin 2002-6-19 25185 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR108741  Sisymbrium erysimoides Scott D. White, Pam DeVries 1998-4-19 6273 Los Angeles City of Irwindale, Santa Fe Flood Control Basin (on the San Gabriel River) 152 Comment
  SBBG130745  Sisymbrium irio S. A. Junak 2000-3-30 SCa 1143 Los Angeles cmpgrd at Little Harbor 6 Comment
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Jul 26 2016
  LA210072  Sisymbrium officinale Peter H. Raven; Henry J. Thompson 1960-5-29 15449 Los Angeles Santa Monica Mountains, Head of creek NE of Sandstone Peak 822 Comment
  UCR179619  Sisymbrium orientale R. G. Swinney 1991-1 1596 Los Angeles San Gabriel Valley, Glendora, South Hills, South Hills Motorway south of Bonnie Cove Ave. 335 Comment
  LA24031  Sisyrinchium bellum A. M. Johnson; 1932-4-4 3927 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  UCR86176  Sisyrinchium bellum L. C. Yoshida, H. Y. Yoshida, T. H. Yoshida 1995-4-15 3 Los Angeles Puente Hills, Near SW corner of Camino del Sur & Colima Road, on horsetrail W side of Colima Road 299 Comment
  RSA0127217  Sisyrinchium bellum Louis C. Wheeler 1967-7-15 10064 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  UCR194179  Sisyrinchium idahoense R. G. Swinney 1998-7-24 6555 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  RSA756987  Solanum americanum A. C. Sanders 2009-11-6 37209 Los Angeles Madrona Marsh, Torrance 24 Comment
  RSA422437  Solanum douglasii E. Crow 1928-10-21 3 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  SBBG13547  Solanum douglasii E. R. Blakley 1962-10-5 5452 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG70608  Solanum douglasii M. N. Ackley -Oct-1925 974 Los Angeles Verdugo Wash, Glendale 243 Comment
  SD234534  Solanum douglasii Wayne Law, Jun Hu 2000-4-30 4 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UCR193945  Solanum douglasii A. C. Sanders 2008-7-10 35740 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR261549  Solanum douglasii R. G. Swinney 2010-2-27 11715 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
  UCR92662  Solanum douglasii Scott D. White 1996-3-18 3838 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  RSA133403  Solanum umbelliferum Peter H. Raven 1959-2-23 13801 Los Angeles Decker Rd. 1.0 mi. N of junction with Mulholland Dr. 503 Comment
  RSA0020563  Solanum umbelliferum G. Foster 1961-6-3 s.n. Los Angeles West Covina Comment
  SEINET6186050  Solanum umbelliferum R. W. Summers 1886-1 s.n. Los Angeles Santa Monica hills Comment
  UCR19776  Solanum umbelliferum var. incanum E. B. Eldred 1977-5-30 s.n. Los Angeles San Gabriel Mtns, Route 39, 12 miles south of Crystal Lake, San Gabriel Canyon 610 Comment
  CAS-BOT-BC237746  Solanum wallacei A. J. McClatchie 1893-9-10 s.n. Los Angeles Valley, Catalina Island Comment
  UCR139421  Solanum xanti Fay A. MacFadden 1931-4-22 2642 Los Angeles Western Transverse Range, San Francisquito Canyon 915 Comment
  RSA716921  Solidago californica LeRoy Gross, Naomi Fraga 2006-1-20 2450 Los Angeles East end of the Verdugo's. North side of the main crest. Deer Creek off of Beaudry Road. West of Debris Basin. 448 Comment
  SBBG95448  Solidago velutina var. californica M. B. Dunkle 1928-10-7 2001 Los Angeles Middle Ranch Cyn Comment
  RSA187930B  Sonchus oleraceus R. F. Thorne 1966-4-7 35960 Los Angeles Cherry Valley, Santa Catalina Island. 61 Comment
  UC1595228  Sonchus oleraceus Tim Ross and Peter Fritsch 1990-6-20 3610 Los Angeles mouth Burro Canyon (near confluence E and W Forks San Gabriel River); San Gabriel Mountains, near confluence E and W Forks San Gab 445 Comment
  LA105051  Sonchus oleraceus Barry A. Prigge; 1988-7-3 8217 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  POM361387  Sonchus oleraceus N. C. Cooper 1942-10-1 2018 Los Angeles Hancock Bld. campus. Univ. So. Calif. Growing in bed of Pfitzer Juniper. Comment
  RSA596367  Sonchus oleraceus R. G. Swinney 1989-8-24 s.n Los Angeles Big Dalton Canyon, Glendora Wilderness Park, 1.5 mi. NE of Glendora Mtn Rd. 457 Comment
  UCR108666  Sorghum bicolor L. C. Wheeler 1942-11-30 5678 Los Angeles San Gabriel Valley, near Kellogg Ranch, Arroyo Avnue, c. 3 mi west of Pomona 305 Comment
  UC40226  Sorghum halepense J. Burtt Davy Oct 1896 2855 Los Angeles Pomona 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
  UCR65521  Spergularia macrotheca Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 797 1 Los Angeles Channel Islands, San Clemente Island, terrace above China Point, S end of island Comment
  SBBG26555  Spergularia macrotheca var. macrotheca M. R. Benedict 1965-12-12 Los Angeles E end of Parson's Beach 4 Comment
  RSA0098531  Spergularia marina Scott D. White 1997-3-12 4753 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the