Search Results — 2000 specimen records retrieved (1555 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA79229  Abies concolor G. R. Campbell 1952-6-8 18506 Los Angeles on road from Forest Service hdqs. to Blue Ridge. 2287 Comment
  RSA534113  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5097 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  SD13118  Abronia umbellata Edith A. Purer 1935-5-12 6594 Los Angeles El Segundo. Comment
  RSA732844  Acamptopappus sphaerocephalus R. G. Swinney 2001-5-17 7947 Los Angeles Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads. 1244 Comment
  CLARK-A1528-104  Acer macrophyllum Richard A. Minnich 1968-4-18 10 Los Angeles San Gabriel Mountains Comment
  LA49825  Acer macrophyllum K. Kneen; 1933-4-29 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM293344  Acer macrophyllum Lyman D. Benson 1945-6-5 11752 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
Read comments
Apr 7 2014
  RSA653373  Acer negundo var. californicum LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 267 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  CAS-BOT-BC21685  Achillea millefolium Peter H. Raven; H. L. Wedberg 1957-6-15 10904 Los Angeles Latigo Canyon 0.8 miles n. of U.S. 101A, Santa Monica Mts. Comment
  SBBG95190  Achillea millefolium M. B. Dunkle 1928-3-17 1754 Los Angeles isthmus 152 Comment
  RSA94579  Achillea millefolium F. W. Peirson 1919-5-18 443 Los Angeles San Gabriel Mtns. Monrovia Canyon. 396 Comment
  CHSC59648  Achnatherum coronatum Daryl Koutnik 1978-6-3 Los Angeles Dry Canyon - Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 304 Comment
  SEINET5585750  Achnatherum occidentale Tim Ross, Steve Boyd 1991-1 5657 Los Angeles Granite Mountain: San Gabriel Mountain Range, Chilao Flat USGS 7.5' quad 1975 Comment
  RSA642085  Achnatherum parishii subsp. depauperatum Orlando Mistretta 1994-7-22 1448 Los Angeles San Gabriel Mountains: Big Rock Creek, South Fork Campground. Comment
  RSA416303  Achyrachaena mollis Louis C. Wheeler 1932-5-15 708 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  SDSU19671  Acmispon argophyllus var. adsurgens Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 A Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  CAS-BOT-BC204776  Acmispon argophyllus var. argenteus L. E. Cox 1908-3-31 s.n. Los Angeles Catalina Island Comment
  SBBG108146  Acmispon argophyllus var. argenteus S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 615 Los Angeles 1.1 mi S of Two Harbors on Cat Harbor Rd; ca. 30 m upslope 30 Comment
Read comments
May 24 2016
  LA47811  Acmispon argophyllus var. argophyllus H. L.; 1937-3-25 Los Angeles Santa Catalina Island, Catalina Island 609 Comment
  JEPS27734  Acmispon dendroideus var. dendroideus W. F. Grant B- 83 Los Angeles Rancho Santa Ana Botanic Garden Comment
  UC301918  Acmispon dendroideus var. dendroideus T. W. Minthorn July 1920 Los Angeles Catalina Island, near Avalon. Comment
  SD69606  Acmispon micranthus Robert F. Thorne, P. Everett 1965-5-10 34522 Los Angeles Santa Catalina Island, near upper end of Gallagher Canyon, sparsely grassy sunny clay slopes 427 Comment
  LA33931  Acmispon wrangelianus Peter H. Raven; 1959-5-3 14073 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  CAS-BOT-BC29203  Acourtia microcephala LeRoy Abrams 1917-7-8 6613 Los Angeles Topango Canyon, Santa Monica Mountains Comment
  JEPS9161  Acourtia microcephala Frank W. Peirson 1919-7-1 520 Los Angeles Fish Canyon; San Gabriel Mountains 457 Comment
  RSA134796  Acourtia microcephala Percy C. Everett, E. K. Balls 1959-6-29 23874 Los Angeles Stokes Canyon, Santa Monica Mountains. 152 Comment
  CAS-BOT-BC133187  Adenostoma fasciculatum E. R. Blakley 1961-9-23 4756 Los Angeles At east end of Isthmus Harbor, Santa Catalina Island 30 Comment
  HSC18437  Adenostoma fasciculatum C. S. Apperson 1967-6-15 Los Angeles 1 mi. down Canton Canyon trail off the end of Townsend Pk. Rd. Comment
  RSA390566  Adenostoma fasciculatum M. Bisbee 1917-5-18 s.n. Los Angeles Hills, north of Eagle Rock Valley Comment
  RSA656174  Adenostoma fasciculatum Joseph M. Keefe 1978-5-23 23200 Los Angeles Verdugo Mountains: 30 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 265 Comment
  RSA595005  Adiantum capillus-veneris Mark L. Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2356 Los Angeles Santa Catalina Island, lower Cottonwood Canyon from road to beach. 6 Comment
  RSA602471  Adiantum capillus-veneris Scott D. White 1997-5-8 5078 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UC749004  Adiantum capillus-veneris Louis C. Wheeler 1931-10-11 248 Los Angeles Palmer Canyon; San Gabriel Mts 762 Comment
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May 9 2010
  SEINET10470278  Adiantum tenerum David B. Dunn 1939-10-25 Dunn UMO 46535 Los Angeles Collected from an ornamental tree growing at Orange Dr. and Colorado Blvd., Pasadena, Calif. 274 Comment
  CHSC98111  Ageratina adenophora LeRoy Gross; Laura Moore 2000-6-5 215 Los Angeles Verdugo Mountains: Brand Canyon, a short distance above the cemetery. Canyon bottom. 349 Comment
  RSA737147  Ageratina adenophora Scott D. White, Justin M. Wood 2008-10-7 12551 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  SDSU6840  Ageratina adenophora Gerald Collier 1951-5-5 8816 Los Angeles Santa Anita Canyon, San Gabriel Mtns. 2 miles up-canyon from bottom of Chantry FlatsTrail - near stream. Comment
  UCR189712  Agoseris grandiflora R. G. Swinney 1998-7-10 6392 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189385  Agoseris retrorsa R. G. Swinney 1998-6-12 6181 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
  UCR277061  Agoseris retrorsa R. G. Swinney 2011-6-7 15095 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  RSA640881  Agrostis scabra L. C. Wheeler 1967-8-1 10201 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  UCR19666  Agrostis viridis H. J. Thompson 1959-5-24 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 0.3 mi north of Pacific Coast Hwy (1), Tuna Canyon 46 Comment
  UCR230257  Agrostis viridis Dan S. Cooper 2011-4-15 411- 19 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Skyline Trail 211 Comment
  RSA582971  Alchemilla occidentalis Tim S. Ross, Janet Takara 1993-4-23 6941 Los Angeles Santa Catalina Island. Upper E side of Cottonwood Canyon Drainage, ca. 980 m WNW of Black Jack Mtn. Summit 470 Comment
  RSA366445  Allium fimbriatum var. fimbriatum Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
  UCR147560  Allium haematochiton Valerie Soza, LeRoy Gross, Ian G. Gillespie 2000-5-18 941 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
  JEPS78931  Allium lacunosum var. davisiae Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4186 Los Angeles along forest service road between Horse Flat Camp and Pinyon Flats; San Gabriel Mountains, Angeles National Forest 1889 Comment
  UC1601946  Allium praecox George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 34 -4408 Los Angeles Santa Catalina Island Comment
  CHSC35460  Allophyllum divaricatum James Henrickson 1973-5-12 9570 a Los Angeles 5.4 (rd) miles N of La Canada along Angeles Crest Hwy (2), in roadside. 853 Comment
  IRVC27308  Allophyllum divaricatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27146 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  RSA549515  Allophyllum gilioides subsp. violaceum Tim Ross, Steve Boyd 1990-6-18 3469 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake 1878 Comment
  UC1929598  Amaranthus albus Steve Boyd, Mark Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11703 Los Angeles Transverse Ranges; Liebre Mountains region; southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  UC7528  Amaranthus albus J. Burtt Davy Oct 1896 2843 Los Angeles Pomona Comment
  CDA36202  Amaranthus blitum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37066 Los Angeles San Gabriel Valley; Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery. Comment
  RSA127820  Amaranthus deflexus P. H. Raven, Henry J. Thompson 1958-9-19 s.n. Los Angeles Santa Monica Mountains, road borders of United States Hwy 101, 0.2 miles east of turn to Zuma Beach. 46 Comment
  RSA611492  Amaranthus hybridus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA603078  Amaranthus retroflexus L. C. Wheeler 1932-9-2 1312 Los Angeles La Verne: 2 miles NE of. 373 Comment
  UCR168287  Amblyopappus pusillus F. R. Fosberg 1931-4-29 S- 4718 Los Angeles Channel Islands, Santa Catalina Island, between Cottonwood and Middle Ranch Canyons 140 Comment
  RSA594346  Ambrosia acanthicarpa Steve Boyd, Lauren Raz 1996-10-14 9031 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
  CATA203  Ambrosia chamissonis Mark L. Hoefs 1973-4-15 182 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  POM187700  Ambrosia psilostachya Joseph A. Ewan 1931-10-24 5267 Los Angeles N shore Malibu Lake. Comment
  UC1192150  Ambrosia psilostachya Malcolm A. Nobs and S. Galen Smith 1948-9-8 646 Los Angeles just w of Malibu Comment
  RSA617183  Ambrosia psilostachya R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton spreading grounds. 305 Comment
  POM126810  Ammannia coccinea Anstruther Davidson 1902-5-30 1913 Los Angeles Bixby Slough [Harbor Lake/Harbor Park near Long Beach] Comment
Read comments
May 28 2010
  RSA582645  Amorpha californica Katherine Kneen 1933-5-14 s.n. Los Angeles Topanga Canyon. Comment
  CAS-BOT-BC180636  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1994-5-10 7728 Los Angeles Canyon bottom and adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn, ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon, Warm Springs Mtn. 7.5' - Warm Springs Canyon, Liebre Mountains 682 Comment
  CAS-BOT-BC180648  Amorpha californica var. californica Geo. B. Grant 1904-5-19 39 Los Angeles Mt. Wilson Comment
  RSA0106743  Amsinckia R. G. Swinney 2011-5-3 14576 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SBBG79024  Amsinckia intermedia F. R. Fosberg 1931-3-19 T 237 Los Angeles Hamilton Cyn near Avalon 40 Comment
  UC284962  Amsinckia intermedia P. A. Munz 1923-4-8 6630 Los Angeles e coast San Clemente Island Comment
  UCR190526  Amsinckia intermedia R. G. Swinney 1990-3-19 1530 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  UCR186772  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32085 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  POM369898  Amsinckia spectabilis F. R. Fosberg 1932-3-28 10618 Los Angeles San Pedro hills, Palos Verdes Estates. 50 Comment
  RSA527743  Amsinckia spectabilis Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4311 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  SEINET12519054  Amsinckia spectabilis J. H. Barber 1897-1 51 Los Angeles Santa Monica Canon Comment
  RSA0102540  Amsinckia tessellata Richard G. Swinney 2011-4-19 14396 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. Under transmission lines. 945 Comment
  SBBG125052  Androsace elongata subsp. acuta A. Parikh, N. Gale 2010-5-25 3220 Los Angeles E Liebre Mtns, Sierra Pelona, 5.4 km W of State Hwy 14, 2.0 km SW of California Aqueduct 1131 Comment
  UC1349338  Anemopsis californica Robert F. Thorne 1966-4-5 35857 Los Angeles below dam in Cottonwood Canyon (along Cottonwood Creek, Santa Catalina Island); Santa Catalina Island, Cottonwood Creek 106 Comment
  UCR222783  Anisocoma acaulis R. G. Swinney 2009-4-28 10549 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA579330  Anisocoma acaulis Timothy S. Ross 1994-5-31 7970 Los Angeles Pacifico Mountain, somewhat flat granitic ridgetop ca 800 m WNW of summit 2060 Comment
  UCD97916  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  LA201504  Anthemis cotula Arthur C. Gibson; 2003-5-24 4854 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  UCD129078  Anthemis cotula C. W. Tilforth 1969-6-13 204 Los Angeles end of small canyon 1/2 mile east of intersection of Colima Ave and Punta del Este St north of Whittier. Comment
  SFV4892  Antirrhinum coulterianum M. H. Grayum 1971-5-3 Los Angeles Santa Monica Mountains Tapia Park. 150 Comment
  RSA14204  Antirrhinum coulterianum Carl B. Wolf 1926-03 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  JEPS23847  Antirrhinum kelloggii Henry J. Thompson 1959-4-12 1918 Los Angeles 2 mi w Las Virgenes Road on Mulholland Highway; Santa Monica Mountains 304 Comment
Read comments
Aug 26 2009
  POM354868  Antirrhinum multiflorum L. E. Hoffman 1927-08 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA563492  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-13 7121 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  SFV6493  Antirrhinum multiflorum T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 Los Angeles Santa Susana Mountains Along sandstone ridge just west of junction of main ridge road with Brown Canyon Road. 1067 Comment
  UCR137148  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-1 s.n. Los Angeles South Coast, Long Beach 15 Comment
  SBBG113092  Aphanes occidentalis S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 359 Los Angeles Cape Cyn, along Cape Cyn Rd, ca. 0.2 rd mi W of Cape Cyn Reservoir 304 Comment
  UCR129506  Apium graveolens A. C. Sanders, Mark Elvin 2002-6-20 25235 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
  RSA654589  Apium graveolens Scott Lowe 1991-5-12 26 Los Angeles San Gabriel River channel, about 800 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  POM366919  Aquilegia formosa Elbert Benjamine 1929-5-26 178 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UCR270493  Aquilegia formosa R. G. Swinney 2011-6-30 15400 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  OBI35970  Aquilegia formosa J. & B. Semple, B. Semple 1981-8-14 5613 Los Angeles E of Kratka Ridge, along crk 2134 Comment
  RSA503186  Aquilegia formosa Gary D. Wallace 1975-7-12 1444 Los Angeles Angeles National Forest: just W of Lodgepole Picnic Ground. West Fork Dorr Canyon at springs above road. 2311 Comment
  UCSB69555  Arabidopsis thaliana Gross, LeRoy 2001-3-31 Los Angeles Los Angeles Basin: Verdugo Mts. Region: S Side: at end of Olive Ave.; park on Via Montana; city of Burbank; follow old overgrown road to faint trail, up to the main crest with Sunset Cyn. to the W and Story Cyn. on the E; T1N R14W SE/4, sec. 1 365 Comment
  RSA482602  Arabis perennans F. R. Fosberg 1931-8-14 800 Los Angeles Pine flats, First Camp, N fork San Gabriel Canyon, San Gabriel Mts. 1500 Comment
  RSA600036  Arabis pulchra Steve Boyd, Lauren Raz 1997-3-25 9256 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA0128633  Arabis repanda var. repanda F. W. Peirson 1921-6-16 2498 Los Angeles North slope of Mt. Waterman, San Gabriel Mts. 1981 Comment
  UCR14498  Aralia californica George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, Soldier Creek, Hwy 39, north of Azusa Comment
  RSA97428  Arceuthobium occidentale F. W. Peirson 1921-11-12 4302 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  RSA58800  Arctium lappa Philip A. Munz 1950-8-10 15477 Los Angeles North end of Indian Hill Mesa, Claremont. Comment
  RSA276090  Arctostaphylos catalinae Gary D. Wallace, Mark Hoefs 1975-3-23 1412 Los Angeles Santa Catalina Island above road from Avalon ca. 1/8 mi. S of Haypress Reservoir. 411 Comment
  SBBG39161  Arctostaphylos catalinae E. R. Blakley 1963-4-10 5584 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  SBBG126632  Arctostaphylos glandulosa subsp. gabrielensis A. Parikh, N. Gale 2011-6-18 3486 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.7 km SSE of Aliso Cyn Rd; San Gabriel Mtns 1331 Comment
  RSA642684  Arctostaphylos glandulosa subsp. mollis Orlando Mistretta 1992-7-13 724 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  CAS-BOT-BC39331  Arctostaphylos glauca Fordyce Grinnell 1903-12-22 32 Los Angeles Arroyo Seco Canyon, near Pasadena Comment
  CAS-BOT-BC39348  Arctostaphylos glauca H. E. McMinn 1926-7-22 1783 Los Angeles Bear Flat Trail to Mt. San Antonio Comment
  RSA631481  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15972 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631524  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15661 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631525  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15659 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631582  Arctostaphylos glauca Jon E. Keeley 1993-11-20 25175 Los Angeles Tuna Canyon Road and Reigate Road. 700 Comment
  RSA631674  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20290 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA631675  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-10-11 22067 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  UCR125178  Arctostaphylos glauca A. C. Sanders, Mark Elvin 2002-6-25 25274 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  RSA597120  Arctostaphylos parryana T. S. Ross 1990-6-22 s.n. (post 3713 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA634778  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20338 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634874  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20222 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634875  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20223 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634934  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20238 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635118  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20356 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635148  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22034 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  CAS-BOT-BC42172  Arctostaphylos patula John Thomas Howell 1947-7-18 23419 Los Angeles Blue Ridge, San Gabriel Mts. Comment
  RSA729541  Arctostaphylos patula R. G. Swinney 1998-6-16 6991 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  SD186064  Arctotheca prostrata A. C. Sanders, Andy Thompson 2003-4-15 26008 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park. 366 Comment
Read comments
Jan 4 2010
  PASA1308  Arenaria macradenia Lester Sloan 1926-5-20 Los Angeles Mint Canyon Comment
  SBBG110998  Aristida adscensionis A. Parikh, N. Gale 1998-5-28 LA- 2 Los Angeles S of Agoura Hills; N of Triunfo Cyn Rd, near intersection of Kanan Rd 270 Comment
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Jun 23 2010
  SBBG80497  Aristida adscensionis S. A. Junak 1978-4-16 SCa 38 Los Angeles S side of Cherry Cove along rd 45 Comment
  RSA385030  Aristida purpurea var. purpurea Albert J. Perkins 1920-2-11 s.n. Los Angeles Glendora. Little Dalton Trail. Comment
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Jun 12 2014
  SBBG128115  Artemisia californica D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 2 Los Angeles Deer Valley Trail 4 Comment
  UC64863  Artemisia californica N. K. Berg 1904-3-7 Los Angeles Santa Monica Comment
  UCR270824  Artemisia douglasiana R. G. Swinney 2010-6-29 13393 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  CAS-BOT-BC93868  Artemisia dracunculus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA0057888  Artemisia dracunculus Richard G. Swinney 2010-9-7 13691 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  CAS-BOT-BC93871  Artemisia dracunculus Peter H. Raven; Henry J. Thompson 1959-10-18 14680 Los Angeles Santa Monica Mountains - Decker road 1.8 miles south of Mulholland Highway 487 Comment
  SBBG47182  Artemisia dracunculus R. N. Philbrick 1973-7-20 Los Angeles Malibu 15 Comment
  UCR86530  Artemisia nesiotica T. S. Ross, E. Kellogg 1992-4-13 6147 Los Angeles San Clemente Island, NW part of the island 2 deg. terrace, ENE of Darter 50 Comment
  LA202946  Artemisia tridentata T. A. Geissman; TAG- 41766 -ATS Los Angeles E of Saugus at start of Bouquet Canyon Road Comment
  UC1119474  Artemisia tridentata subsp. tridentata H. A. Jensen 1933-6-1 324 Los Angeles head of Rock Creek; Angeles National Forest, Rock Creek Quadrangle Comment
  SFV21165  Artemisia tridentata subsp. vaseyana J. N. Hogue 2007-6-23 294 .1 Los Angeles San Gabriel Mountains Across Sulphur Springs Road from Angeles Crest Christian Camp. 1840 Comment
  CHSC126  Asclepias californica subsp. greenei E. Thomas 1940-4-14 Los Angeles Temescal Canyon. Comment
  RSA670181  Asclepias erosa Ian Swift 2001-9-10 333 Los Angeles Lower Poison Oak Canyon 1098 Comment
  IRVC28677  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  UCR204873  Asclepias fascicularis R. G. Swinney 2005-8-9 8400 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA167636  Aspidotis californica P. H. Raven, R. F. Thorne 1964-5-7 18994 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs. Comment
  UC811525  Aspidotis californica I. W. Clokey and E. G. Anderson 1935-5-9 6503 Los Angeles San Dimas Canyon Comment
  RSA584322  Aspidotis californica T. S. Ross 1992-5-24 6409 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam 464 Comment
  UCR167209  Astragalus didymocarpus S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  UC1294277  Astragalus douglasii var. douglasii P. C. Everett and E. K. Balls 1959-5-22 23809 Los Angeles Holiday Hill San Gabriel Mts., Big Pine, Holiday Hill (Big Pine, Hwy 2, San Gabriel Mts.) 1950 Comment
  CAS-BOT-BC227694  Astragalus lentiginosus Steven R. Hill; Kate Kramer 2001-4-22 33339 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. North side of..., 804 Comment
  UCR124718  Astragalus lentiginosus var. antonius B. C. Templeton 1933-6-15 5138 Los Angeles San Gabriel Mtns., East Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
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Jul 7 2009
  JEPS54727  Astragalus lentiginosus var. variabilis Dr. A. Davidson 1893-1 Los Angeles Lancaster , Lancaster (Mojave Desert) Comment
  RSA52490  Astragalus miguelensis I. L. Wiggins 1949-2-22 11960 Los Angeles Northern end of San Clemente Island. Comment
  UCR68931  Astragalus miguelensis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4208 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SBBG95679  Astragalus nevinii A. Liston, O. Mistretta, L. Rieseberg 1989-4-29 801 -1 Los Angeles main dune area at Darter Rd, NW part of island Comment
  UC574585  Astragalus nevinii Nevin and Lyon April 1885 5 Los Angeles Island of San Clemente Island of San Clemente (off Southern California) Comment
  RSA415633  Astragalus pachypus var. pachypus N. C. Cooper 1948-4-21 2670 Los Angeles Littlerock. 762 Comment
  UCR14984  Astragalus purshii K. T. Ingram 1976-5-16 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest. On Big Pines Hwy, 1.9 mi from Angeles Crest Hwy Comment
  CAS-BOT-BC193027  Astragalus purshii var. tinctus Paul F. Covel 1938-4-20 1165 Los Angeles Antelope Valley east Gorman Comment
  RSA415734  Astragalus trichopodus var. lonchus G. Austin 1929-2-18 s.n Los Angeles Glen Ranch. Comment
  LA105084  Astragalus trichopodus var. phoxus Barry A. Prigge; 1988-7-3 8226 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  POM295532  Astragalus trichopodus var. phoxus Lyman Benson 1946-4-30 12062 Los Angeles Hill 5 miles NE of Brea. Puente Hills Mt. Range. 274 Comment
  UCD170730  Astragalus trichopodus var. phoxus A. C. Sanders 2005-5-5 29875 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  UCR124589  Astragalus trichopodus var. phoxus B. C. Templeton, I. W. Clokey 1930-4-8 1041 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  RSA90213  Astragalus trichopodus var. phoxus F. W. Peirson 1920-3-28 2099 Los Angeles Low hill at foot of Tujunga Canyon, west end of San Gabriel Mtns. 457 Comment
  CAS-BOT-BC200835  Astragalus trichopodus var. trichopodus Marcus E. Jones 1924-4-25 s.n. Los Angeles Brea Canyon Comment
  RSA587371  Athysanus pusillus Orlando Mistretta 1995-4-25 1651 Los Angeles Kitter Canyon 1250 Comment
  POM246557  Atriplex californica F. R. Fosberg 1931-5-17 S- 4889 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  RSA177735  Atriplex californica R. F. Thorne, P. Everett 1965-5-11 34572 Los Angeles Santa Catalina Island, N beach of Little Harbor. Comment
  SEINET3930764  Atriplex canescens Louis C. Wheeler 1967-5-12 9487 Los Angeles San Gabriel Mountains. Between summits 4174 ad 4183, east of Vincent.; 0 1250 Comment
  CAS-BOT-BC168282  Atriplex canescens var. canescens A. D. E. Elmer 1902-6-1 3647 Los Angeles Lancaster Comment
  LA204699  Atriplex canescens var. canescens Joseph Andorfer Ewan; 1930-10-22 3424 Los Angeles Bouquet Canyon Road out of Saugus 365 Comment
  UCR265465  Atriplex coronata Jordan Zylstra 2015-6-5 15005 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  RSA188194  Atriplex coulteri R. F. Thorne, P. Everett 1965-6-23 34980 Los Angeles Santa Catalina Island. Hay Press Reservoir 411 Comment
  RSA739275  Atriplex glauca R. E. Riefner 2008-12-27 83 Los Angeles City of Malibu, ocean bluff W of El Matador State Park 3 Comment
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Dec 13 2012
  CAS-BOT-BC170120  Atriplex lentiformis Alice Eastwood 1919-7-4 9295 Los Angeles Santa Monica Canyon Comment
  UC110325  Atriplex lentiformis subsp. lentiformis T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  OBI6006  Atriplex nummularia Carl B. Wolf 1930-12-23 1822 Los Angeles Playa del Rey 30 Comment
  UC527398  Atriplex nummularia Carl B. Wolf 1931-12-30 2635 Los Angeles coastal bluffs at Playa del Rey 30 Comment
  CAS-BOT-BC176353  Atriplex parryi A. D. E. Elmer 1902-6-1 3640 Los Angeles Lancaster Comment
  POM228978  Atriplex rosea L. C. Wheeler 1933-5-5 1382 Los Angeles UCLA campus, West Los Angeles 137 Comment
  RSA250490  Atriplex rosea R. F. Thorne 1967-10-10 37335 Los Angeles Angeles National Forest: Jackson Lake, W end of lake. 1867 Comment
  RSA596177  Atriplex rosea L. C. Wheeler 1946-8-28 6294 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  CHSC62044  Atriplex semibaccata L. P. Janeway 1993-10-5 4613 Los Angeles Puente Hills; ridgetop between the heads of Arroyo San Miguel and Arroyo Pescadero. 281 Comment
  RSA151254  Atriplex semibaccata P. H. Raven 1962-7-10 17948 Los Angeles Near west shore of island, due west of Wall 2, San Clemente Island Comment
  RSA0042226  Atriplex triangularis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-10-22 2997 Los Angeles Santa Catalina Island: Cherry Valley, above beach. 6 Comment
  RSA0058228  Avena barbata Richard G. Swinney 2010-4-23 12349 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA657158  Avena barbata Joseph M. Keefe 2001-1-19 31001 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 Comment
  RSA670941  Avena barbata Joseph M. Keefe 2001-1-19 30938 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock., 34 deg 08' 33.9''N, 118 deg 11' 01.2'' W 293 Comment
  SD260153  Avena barbata R. G. Swinney 2010-5-19 12831 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1349 Comment
  CAS-BOT-BC145795  Axonopus compressus Joseph A. Geohegan 1954-11-1 s.n. Los Angeles Pasadena. 147 Annandale Road. Comment
  SEINET175074 Image available Azolla mexicana M. E. Jones 1882-3-7 3043 Los Angeles Pasadena Comment
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May 1 2015
  CAS-BOT-BC98728  Baccharis douglasii LeRoy Abrams 1903-8-26 2976 Los Angeles Ballona Creek, near Mesmer Comment
  POM350329  Baccharis emoryi F. R. Fosberg 1931-12-10 7153 Los Angeles Santa Catalina Island: Pebble Beach Road. 5 Comment
  IRVC24029  Baccharis glutinosa Fred M. Roberts, Gordon Marsh 1985-10-16 2478 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  RSA648644  Baccharis glutinosa Kelly Middleton, David Middleton 1988-5-23 34 Los Angeles Glendora Ridge Road, 6.5 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1067 Comment
  SD9151  Baccharis pilularis J. C. Nevin Unknown Los Angeles Newhall Mountains. Comment
  OBI51930  Baccharis salicifolia Suzan Barth, Steven Korenstein 1994-5-18 30 Los Angeles Placerita Cyn Walker Ranch, main trail from entrance crosses stream 245 Comment
  UCR172734  Baccharis salicifolia Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  UCSB41777  Baccharis salicifolia Buchmann, Steve 1971-4-30 Los Angeles In Tonner Cyn. about 1 mi. from Hwy. 57 304 Comment
  UC440470  Baccharis salicifolia subsp. salicifolia Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA21779  Balsamorhiza deltoidea C. B. Wolf 1937-5-20 8740 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  SDSU19663  Bassia hyssopifolia Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2191 Los Angeles San Clemente Island. Disturbed area south of road at northern tip of island, west of Northwest Harbor. 15 Comment
  RSA650246  Beloperone guttata Robert E. Boyles s.n. Los Angeles 1528 San Bernardino Rd. Covina. 305 Comment
  UCR181363  Berberis aquifolium R. G. Swinney 1995-3-11 3381 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 378 Comment
  RSA721720  Berberis aquifolium var. aquifolium R. G. Swinney 1995-3-11 3381 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  RSA435916  Berberis nevinii Anstruther Davidson 1905-6-1 s.n. Los Angeles San Fernando Comment
  SBBG28469  Berberis nevinii C. Darland 1932-5-12 Los Angeles San Fernando Comment
  RSA188358  Bergerocactus emoryi R. F. Thorne, P. C. Everett 1965-6-24 35050 Los Angeles Santa Catalina Island, on ridge between Little Harbor and mouth of Cottonwood Canyon. 61 Comment
  RSA157791  Beta vulgaris P. H. Raven 1962-5-7 17581 Los Angeles San Clemente Island, 1 mile south of Wilson Cove 6 Comment
  RSA423233  Beta vulgaris A. C. Life 1923-5-23 s.n. Los Angeles Los Angeles. Comment
  RSA92405  Bidens laevis F. W. Peirson 1919-11-7 1337 Los Angeles Rio Hondo Comment
  LA105081  Bloomeria crocea Barry A. Prigge; 1988-7-3 8223 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  SFV16115  Boechera arcuata J. M. Kneitel 1995-4-9 20 Los Angeles San Gabriel Mountains 75 m off of Angeles Forest Highway, 0.5 miles north of junction with Angeles Crest Highway. 950 Comment
  UC934018  Boechera sparsiflora H. L. Cogswell 1951-6-8 114 Los Angeles w side Bell Canyon; San Gabriel Mountains; coordinates continue: Sec. F6-7, Plot 5 853 Comment
  UCR129414  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, Mark Elvin 2002-6-20 25244 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
  SBBG96962  Bowlesia incana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4302 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  RSA151021  Bowlesia incana P. H. Raven 1962-4-10 17215 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  CAS-BOT-BC420335  Boykinia rotundifolia Tim Ross; Walter Appleby 1993-6-7 7368 Los Angeles W end of the San Gabriel Mtns: Los Pinetos Spring 886 Comment
  SBBG70951  Boykinia rotundifolia E. Rockwell -May-1922 998 Los Angeles Big Dalton Cyn 883 Comment
  CATA1122  Brachypodium distachyon Mark L. Hoefs 1995-5-23 2089 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA0037191  Brassica geniculata Ron Martinolich 1991-5-3 48 Los Angeles Glendale, Flint Peak access road, .5 mi. west of water tower, off road to southwest along old, overgrown road cut. 30 Comment
  UCSB2259  Brassica geniculata Wilson, Richard 1958-3-1 Los Angeles Santa Monica Mountains; 5 miles North of Topanga 304 Comment
  RSA43551  Brassica oleracea H. M. Pollard 1947-3-23 s.n. Los Angeles South Pacific Railroad, near mouth of Ventura River. Comment
  CAS-BOT-BC36733  Brassica rapa Peter H. Raven; Henry J. Thompson 1959-10-31 14717 Los Angeles Santa Monica Mountains. Wells Avenue near Tampa Avenue. 304 Comment
  SBBG133395  Brassica tournefortii E. Howe, J. Shute 2010-1-9 SERG 11 -1 Los Angeles China Point Rd, S of Chalk Curve Comment
  CAS-BOT-BC100405  Brickellia californica John Thomas Howell 1927-10-16 3146 Los Angeles slope at Sturtevant Falls, Santa Anita [Canon] Canyon, San Gabriel Mts. Comment
  RSA589096  Brickellia californica Orlando Mistretta 1994-9-13 1461 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  UCD85243  Brodiaea filifolia Christopher Michael Bronny 2010-6-8 24 Los Angeles Los Angeles County; Southern end of Glendora Fuelbreak; San Gabriel Mountains. 600 Comment
  LA201501  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2003-4-25 4855 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  UCR213966  Bromus arenarius Dave Silverman, Cindy Hopkins 2007-4-24 6739 Los Angeles Tejon Ranch, 1.8 km ESE of National Cement plant, 1.0 km W of Oso Pump Plant-CA Aqueduct, and 290 m S of the county line 976 Comment
  LA33369  Bromus arizonicus Peter H. Raven; 1959-5-3 14061 b Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  UCR277073  Bromus carinatus R. G. Swinney 2011-6-7 15105 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  CAS-BOT-BC149193  Bromus carinatus var. carinatus F. R. Fosberg; J. Ewan 1931-8-10 4905 Los Angeles San Gabriel Mountains. Crystal Lake, West Fork San Gabriel River. 1615 Comment
  RSA762248  Bromus carinatus var. carinatus Orlando Mistretta, Christine Mistretta 2008-5-19 3116 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  UCR273428  Bromus carinatus var. carinatus R. G. Swinney 2011-6-22 15250 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  SEINET935037  Bromus carinatus var. marginatus Tim Ross, Steve Boyd, Peter Fritsch 1990-1 3879 Los Angeles Rancho Santa Ana Botanic Garden, between Horse Camp Canyon and Robinson Canyon, Liebre Mt. 7.5 (QUAD) 1475 Comment
  POM364001  Bromus catharticus Louis Greata 1901-09 s.n. Los Angeles Arroyo Seco. Comment
  RSA715123  Bromus catharticus Daisie Huang 2006-3-14 60314 -2 Los Angeles Front yard at 160 May Ave., Monrovia. Sunny, west-facing flat. 190 Comment
  LA103551  Bromus diandrus Barry A. Prigge; 1986-3-29 sn Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  RSA649917  Bromus diandrus Matt Brooks 1988-5-12 68 Los Angeles Hacienda Heights, Oak Canyon Dr. 0.1 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  SBBG22677  Bromus diandrus M. A. Walters 1950-1 Los Angeles Ridge Route (US Hwy 99) Comment
  UCR223678  Bromus diandrus R. G. Swinney 2009-6-12 11130 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SD50765  Bromus grandis Darley F. Howe 1959-6-21 2720 Los Angeles 4.8 miles west of Camp Baldy, roadside. 1372 Comment
  CAS-BOT-BC155385  Bromus hordeaceus John H. Thomas 1957-5-17 6760 A Los Angeles Los Angeles. Occidental College Campus. Near Moore Laboratory. Comment
  POM363874  Bromus hordeaceus A. M. Johnson 1933-5-17 4247 Los Angeles Del Rey Salt Marsh. Comment
  POM363875  Bromus hordeaceus N. C. Cooper 1945-5-1 2215 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA89297  Bromus hordeaceus P. A. Munz 1954-5-15 19474 Los Angeles Padua Hills, northeast of Claremont. Comment
  UCR94668  Bromus hordeaceus A. C. Sanders, E. J. Lott 1993-5-6 13990 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  UCR147606  Bromus laevipes Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  SBBG118870  Bromus madritensis S. D. White with P. De Vries 2004-5-18 10411 Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  SD252235  Bromus madritensis Steven A. Junak 1999-5-22 Sca 1002 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  UC60776  Bromus madritensis subsp. rubens Dr. A. Davidson 1890-1 Los Angeles Pasadena Comment
  LA13832  Bromus rubens Marjorie Bowler; 1937-9-17 sn Los Angeles street E of UCLA campus Comment
  POM363934  Bromus rubens Howard Mullins 1931-3-20 s.n. Los Angeles Los Angeles. Comment
  RSA623782  Bromus rubens A. Stephenson 1965-5-9 10 Los Angeles 1/4 mile along Arroyo Seco Trail past Lower Switzer Campground, Angeles National Forest, [San Gabriel Mountains]. 1381 Comment
  RSA656475  Bromus rubens Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 691 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
  SBBG17764  Bromus rubens P. H. Raven 1962-5-9 17668 Los Angeles near head of cyn S of Mosquito Cove 320 Comment
  RSA589928  Bromus sterilis Scott D. White, Chet McGaugh 1995-6-6 3223 Los Angeles E edge of Santa Susana Mountains, just W of San Gabriel Mountains: Sunshine Canyon. W of San Fernando Road & I-5 Freeway, just SW of interchange w/ SR 14 Freeway. 457 Comment
  RSA617483  Bromus sterilis Scott D. White, Sandy Leatherman 1998-5-22 6566 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. 427 Comment
  UCR272563  Bromus tectorum R. G. Swinney 2011-6-7 15064 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
  UCSB49805  Bromus tectorum Black, Nan 1968-5-10 Los Angeles 25 yds S of Escondido Canyon Rd, 0.3 mi S of jct with State Highway 14 914 Comment
  UCR192158  Bromus trinii A. C. Sanders 2008-4-18 34974 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  RSA611357  Calandrinia ciliata Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10107 B Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  RSA612198  Calandrinia ciliata Bill Campbell 1932-3-25 s.n. Los Angeles Santa Monica Mountains; Los Alisos Canyon. Comment
  RSA608644  Calandrinia ciliata L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  CATA662  Calandrinia menziesii Mark L. Hoefs 1991-4-23 1151 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  UCR191275  Calocedrus decurrens R. G. Swinney 1999-6-30 7473 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  CAS-BOT-BC487474  Calochortus albus R. C. Foster 1937-6-6 344 Los Angeles Cobal Canon (foothills of San Gabriel Mts.), north of Claremont. Comment
  RSA347520  Calochortus catalinae B. A. Prigge 1986-3-19 6931 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  SEINET3154065  Calochortus catalinae G. B. Grant, W. Wheeler 1904-1 Error Los Angeles Santa Catalina Island, Pacific Ocean Comment
  SEINET3884907  Calochortus catalinae Hannah I. Stevens, Daphne K. Christopher 2003-4-4 267 Los Angeles Santa Monica Mountains. Stunt Ranch Santa Monica Mountains Reserve. About 4.5 miles N of the city of Malibu.; 0 340 Comment
  SEINET12053878  Calochortus catalinae Unknown 1933-1 8476 Los Angeles near Los Angeles Comment
  SD90392  Calochortus kennedyi Robert F. Thorne 1973-5-11 43458 Los Angeles San Gabriel Mountains, Mojave Desert slope, I(c)-Ao mile north of Bob's Gap, north slope of Holcomb Ridge, ca. 2I(c) miles due south of Llano. 1157 Comment
  RSA0000316  Calochortus lanternus Robert Kessler 1924-06 s.n. Los Angeles Fish Creek Canyon, San Gabriel Mts. Comment
  RSA0021462  Calochortus plummerae Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5068 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR205277  Calochortus splendens Valerie Soza, LeRoy Gross 2001-5-22 1236 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 686 Comment
  RSA714586  Calochortus venustus A. C. Sanders 2005-5-5 29925 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  SD215332  Calochortus venustus Steve Boyd, Lauren Raz 1997-5-6 9711 Los Angeles Liebre Mountains Region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence of Bee Canyonand 1.5 miles by road south of the Clearwater Canyon truck Trail 6N24. 609 Comment
  SD41992  Calochortus venustus Darley F. Howe 1947-5-3 Los Angeles Slope just west of Mint Canyon. Comment
  POM351396  Calycadenia tenella B. C. Templeton 1936-5-18 5662 Los Angeles Puddingstone Dam Comment
  UCR200182  Calyptridium monandrum Valerie Soza, Laura A. Moore 2000-5-10 849 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines, west of peak ''1936' 564 Comment
  SBBG118695  Calystegia O. Mistretta 1992-8-20 774 Los Angeles Mt Gleason, Tujunga Ranger District 1798 Comment
  CATA1646  Calystegia macrostegia Mark L. Hoefs, Steven A. Junak 1998-6-12 2929 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  UCR97797  Calystegia macrostegia Scott D. White 1997-3-12 4765 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  POM296760  Calystegia macrostegia subsp. arida Lyman Benson 1945-5-11 11696 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA191044  Calystegia macrostegia subsp. arida James Henrickson 1963-5-5 32295 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  UCSB6915  Calystegia macrostegia subsp. cyclostegia Haller, Norman 1953-3-4 Los Angeles Faculty Hill, UCLA Comment
  RSA596459  Calystegia macrostegia subsp. intermedia R. G. Swinney 1969-12-5 695 Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. 0.6 mi. N of Sierra Madre Ave. on N Pennsylvania Ave. 365 Comment
  RSA593433  Calystegia occidentalis subsp. fulcrata Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8891 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  RSA729364  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-27 6495 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  UCR238466  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2625 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 16 per TRTP Survey 2008), in the Antelope Valley, west of 70th Street west and north of the California Aqueduct 880 Comment
  POM96908  Camissonia bistorta P. A. Munz 1925-4-19 9383 Los Angeles Pacoima Canyon wash, near San Fernando Comment
  POM32003  Camissonia bistorta C. F. Baker 1903-4-1 4119 Los Angeles Claremont. Comment
  RSA465672  Camissonia bistorta Robert Gustafson 1981-3-18 2126 Los Angeles Ballona Wetlands, Area 1. Comment
  IRVC29641  Camissonia californica A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26210 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA0088571  Camissonia californica R. G. Swinney 2010-5-11 12688 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR193470  Camissonia campestris R. G. Swinney 1999-6-18 7288 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA454714  Camissonia campestris subsp. campestris N. C. Cooper 1948-4-21 2682 Los Angeles Littlerock. 762 Comment
  UC1871253  Camissonia campestris subsp. campestris T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4958 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  RSA454043  Camissonia cheiranthifolia subsp. suffruticosa Richard Arnold 1983-8-10 1023 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3. Comment
  UCR192532  Camissonia graciliflora A. C. Sanders 2008-4-10 34791 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  POM97145  Camissonia hirtella P. A. Munz 1925-4-23 9427 Los Angeles San Gabriel Canyon. 488 Comment
  RSA654031  Camissonia hirtella Valerie L. Soza, Laura Moore 2000-5-10 833 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines 595 Comment
  RSA656474  Camissonia hirtella Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 692 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. 595 Comment
  RSA516960  Camissonia hirtella Jeri Hirshberg, T. Glenn 1990-5-20 s.n. Los Angeles Angeles National Forest, near Agua Dulce. 1220 Comment
  RSA579489  Camissonia ignota Tim S. Ross, Steve D. Boyd 1994-5-10 7757 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon. 873 Comment
  RSA660070  Camissonia intermedia Orlando Mistretta 1992-5-25 402 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA551279  Camissonia micrantha Unspecified s.n. Los Angeles Santa Monica Mountains Comment
  RSA449270  Camissonia palmeri Anstruther Davidson 1893-5-10 s.n. Los Angeles Lancaster. Comment
  RSA0036302  Camissonia strigulosa LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6974 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
  UC1871311  Camissonia strigulosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5006 Los Angeles Transverse Ranges; Liebre Mountains region; Acton: ca half mile E of the center of town, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash. T5N R13W SE 1/4 NE 1/4 SE 1/4 section 36; elevation ca 2725 ft. 831 Comment
  UCR192009  Camissonia strigulosa A. C. Sanders 2008-4-17 34916 Los Angeles Transverse Range, 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM 'Pine', south of peak 3413 1012 Comment
  JEPS33752  Camissonia strigulosa I. W. Clokey and B. C. Templeton 1930-4-8 4671 Los Angeles San Fernando Rd 300 Comment
  SEINET6049361  Camissoniopsis bistorta Unknown 1929-4-1 4456 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  UC66875  Camissoniopsis cheiranthifolia subsp. suffruticosa N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  LA210313  Camissoniopsis intermedia Botany III; Los Angeles Santa Monica Mountains Comment
  RSA519141  Campanula elatines Steven Maas 1990-5-20 s.n. Los Angeles Palos Verdes Hills, Portuguese Canyon. 488 Comment
  SBBG18712  Capsella bursa-pastoris E. R. Blakley 1963-4-7 5538 Los Angeles Avalon Terrace on S side of Avalon Valley 30 Comment
  HSC6619  Capsella bursa-pastoris C. S. Apperson 1966-4-27 Los Angeles Pierce College campus, Woodland Hills Comment
  SBBG128220  Cardamine californica M. L. Hoefs, S. A. Junak, J. Takara 2000-4-1 3067 Los Angeles upper Cherry Valley, above main rd 42 Comment
  CAS-BOT-BC37901  Cardamine oligosperma Louis C. Wheeler 1932-3-20 506 Los Angeles San Dimas Canyon. San Gabriel Mountains. 518 Comment
  SEINET3372077  Carduus pycnocephalus G. Rink 2011-6-5 10593 Los Angeles Chino Hills 396 Comment
  SBBG117118  Carduus pycnocephalus subsp. pycnocephalus S. A. Junak with M. L. Hoefs, R. N. Philbrick 2001-5-18 SCa 1532 Los Angeles Cottonwood Cyn, ca. 2 mi inland from mouth of cyn 97 Comment
  UCR102372  Carex abrupta L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mtns., E fork of Alder Creek off Big Tujunga, below Charlton Flat; future dam site Comment
  POM229072  Carex alma Phillip A. Munz 1937-5-4 15158 Los Angeles Evey Canyon. N of Claremont. 762 Comment
  RSA762419  Carex alma R. G. Swinney 2008-8-13 9377 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA88649  Carex barbarae F. W. Peirson 1920-5-8 2685 Los Angeles San Rafael Hills, west of Arroyo Seco. Comment
  RSA602756  Carex fracta L. C. Wheeler 1967-8-2 10307 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  RSA0031049  Carex heteroneura Robert F. Thorne 1968-9-24 41400 Los Angeles 1.5 miles east of Dawson Saddle along Angeles Crest Highway. [Label says San Bernardino County] 2576 Comment
  SEINET7568456 Image available Carex multicaulis Unknown 1904-5-17 138 /6223 Los Angeles Mt. Wilson. 1524 Comment
  UC212035  Carex pellita I. Johnston 1917-5-13 Los Angeles ditch along R.R., El Monte El Monte 83 Comment
  UCR99496  Carex pellita Steve Boyd, Lauren Raz 1997-5-28 9857 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  RSA90887  Carex schottii Joseph A. Ewan 1936-7-26 9809 Los Angeles Big Pines Meadow. 2073 Comment
  SEINET5042234 Image available Carex subfusca Unknown 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mts. Comment
  UCR130210  Carex triquetra M. B. Dunkle 1929-4-21 2140 Los Angeles Channel Islands, Santa Catalina Island, [near Avalon] Rock Spring Canyon Comment
  RSA554242  Castilleja affinis T. W. Minthorn 1923-4-3 s.n. Los Angeles Pacoima Wash. Comment
  RSA716667  Castilleja affinis Scott D. White, Pam De Vries 2006-5-10 11450 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
  RSA425910  Castilleja affinis M. V. Hood 1945-5-1 2217 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA679344  Castilleja applegatei subsp. martinii Mark A. Elvin, Anne Marie Ruff 1996-8-1 293 Los Angeles San Gabriel Mtns. Angeles National Forest. South side of Glendora Ridge Road (gate). Comment
  RSA717210  Castilleja exserta Scott D. White, Pam De Vries 2006-5-10 11425 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
  SBBG50972  Castilleja exserta J. Doty 1969-4-19 626 Los Angeles E side of Bouquet Cyn Rd, 6.9 mi N of jct with Francisquito Cyn Rd 487 Comment
  SFV18459  Castilleja exserta C. Ferguson 1973-4-9 Los Angeles San Gabriel Mountains Placerita Canyon Park. Walker Ranch section. Comment
  RSA650284  Castilleja exserta subsp. exserta W. A. Reinke 1971-5-3 s.n. Los Angeles On Glendora Mtn. rd, 1 mi. N. of Glendora Dam. Comment
  RSA774590  Castilleja foliolosa Orlando Mistretta, Christine Mistretta 2010-6-10 5299 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  UC1063296  Castilleja foliolosa A. D. Gifford 1935-4-10 555 Los Angeles 6.75 mi nw Redrock Mountain; Angeles National Forest, Tejon Quad. 1097 Comment
  RSA400562  Castilleja foliolosa Robin S. Collins 1973-5-15 292 Los Angeles Trail Canyon, from start of pack trail and into canyon ca. 3 mi. 609 Comment
  RSA643107  Castilleja gleasoni Orlando Mistretta 1992-9-9 802 Los Angeles San Gabriel Mountains: ''Sold'' Peak. North Fork Management Unit; Tujunga Ranger District. Comment
  POM21382  Castilleja minor subsp. spiralis George B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canyon. Comment
  SEINET13387016 Image available Castilleja minor subsp. spiralis R. G. Swinney 2011-1 15720 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
  RSA0036424  Caulanthus amplexicaulis LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6980 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
  UC1178470  Caulanthus amplexicaulis Peter Kamb 1947-6-9 590 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 1889 Comment
  RSA706668  Caulanthus amplexicaulis var. amplexicaulis Naomi Fraga, Paul Morton 2004-5-19 1190 Los Angeles Trail (7W02) to Baldy from San Antonio Falls Road. 2104 Comment
  RSA679828  Caulanthus cooperi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 851 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR280527  Caulanthus cooperi R. G. Swinney 2014-4-10 16010 A 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
  CAS-BOT-BC41136  Caulanthus heterophyllus John Thomas Howell 1928-3-20 3464 Los Angeles Floor of Vermont Canyon, Griffith Park. Comment
  UCR193699  Caulanthus lasiophyllus R. G. Swinney 1999-4-5 7045 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UC870701  Ceanothus I. W. Clokey, E. G. Anderson 1931-3-11 5340 Los Angeles San Gabriel Canyon 900 Comment
  SEINET12210589  Ceanothus crassifolius R. F. Thorne 1971-1 41504 Los Angeles San Gabriel Mts. Lower Evey Canyon off San Antonio Canyon 716 Comment
  CAS-BOT-BC50528  Ceanothus leucodermis Le Roy Abrams 1901-4-6 1371 Los Angeles Big Tehunga Wash Comment
  IRVC26185  Ceanothus leucodermis A. C. Sanders, Mark A. Elvin 2003-6-18 26964 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  RSA313418  Ceanothus leucodermis T. S. Elias 1984-4-29 8335 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  CLARK-A1528-3913  Ceanothus megacarpus John C. Roos 1943-3-30 2599 Los Angeles Santa Monica Mountains Comment
  RSA399114  Ceanothus megacarpus T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  SFV16785  Ceanothus oliganthus subsp. oliganthus J. D. Dilley 1997-2-8 s. n. Los Angeles Verdugo Mountains La Tuna Canyon Park, about 1.2 miles up trail. Near floor of canyon with stream. 610 Comment
  RSA182196  Ceanothus oliganthus var. oliganthus James Henrickson 1963-4-30 1240 Los Angeles Evey Canyon, northeast of Claremont, along raod to Mt. Baldy. 762 Comment
  CAS-BOT-BC63346  Ceanothus spinosus LeRoy Abrams 1902-6-17 2561 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC63350  Ceanothus spinosus S. B. Parish; W. F. Parish 1882-1-1 909 Los Angeles unspecified. Comment
  UCR149806  Ceanothus spinosus Scott D. White 2004-4-23 10231 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CATA266  Centaurea cineraria Mark L. Hoefs 1973-5-14 273 Los Angeles Santa Catalina Island: By road to Casino, at yacht club 6 Comment
  CAS-BOT-BC277002  Centaurea diluta Grace Cole Fleischman 1952-6-9 s.n. Los Angeles At intersection of Antwerp & Imperial Aves., Watts, Los Angeles Comment
  SD262183  Centaurea melitensis R. G. Swinney 2014-5-27 16655 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin. 445 Comment
  RSA583133  Centaurium venustum Tim S. Ross 1993-4-22 6907 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560ft); 800 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 305 Comment
  RSA601628  Centaurium venustum Louis C. Wheeler 1967-6-16 9857 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  CATA3441  Centranthus ruber Benjamin J. Dion, Tobias Nickel 2017-5-1 022 Los Angeles Santa Catalina Island: Channel Side; growing alone in a rock crevice on the side of Stage Rd 240 Comment
  SD130346  Centranthus ruber Heather Vinter 1990-4-14 27 Los Angeles Palos Verdes Peninsula, on side of Eastfield Road 518 Comment
  UCD137524  Centranthus ruber Doris Pechuanco 1964-7-21 s.n. Los Angeles along Paseo del Mar, 900 West, at Cabrillo Avenue, 3700 south, San Pedro. Comment
  UCSB49821  Centranthus ruber Reisentz, Paul 1975-5-23 Los Angeles About 1/2 mile up Old Topanga Rd from Topanga Canyon Blvd. Santa Monica Mtns 426 Comment
  CAS-BOT-BC279600  Centromadia pungens subsp. pungens Ernest Braunton 1903-6-1 899 Los Angeles L. A. River, Glendale to Burbank Comment
  UCR206455  Centrostegia thurberi R. G. Swinney 2008-6-9 8962 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR209212  Centrostegia thurberi R. G. Swinney 1998-4-14 5986 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UC8261  Cerastium glomeratum Dr. A. Davidson Los Angeles all Los Angeles Los Angeles Comment
  RSA592831  Cerastium glomeratum L. C. Wheeler 1967-4-8 9176 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  RSA306192  Cercocarpus betuloides Fay A. MacFadden 1933-3-27 s.n. Los Angeles La Tuna Canyon, Verdugo Mountains Comment
  UCR17481  Cercocarpus betuloides J. L. Huber 1969-4-27 969 Los Angeles San Gabriel Mtns, Chilao, 1 mi north of Chilao Fire Station 1524 Comment
  LA52111  Cercocarpus betuloides var. betuloides C. & M. Epling; 1925-4-25 Los Angeles Santa Monica Mountains, Griffith Park Comment
  LA52114  Cercocarpus betuloides var. betuloides A. M. Johnson; 1927-11-11 2702 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA453268  Cercocarpus betuloides var. betuloides L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  UC1127915  Cercocarpus betuloides var. betuloides A. Lewis Jan 1934 248 Los Angeles Angeles National Forest, Lake Hughes Lake Hughes; Angeles National Forest, Lake Hughes 914 Comment
  SBBG12782  Cercocarpus betuloides var. blancheae E. R. Blakley 1961-9-24 4768 Los Angeles E fork of Cherry Valley 167 Comment
  UC453983  Cercocarpus betuloides var. blancheae I. J. Condit 1908-6-29 Los Angeles Santa Catalina Island Comment
  JEPS45571  Cercocarpus traskiae Mrs. Blanche Trask 1909-3-27 Los Angeles Santa Catalina Island Comment
  SBBG128356  Cercocarpus traskiae B. E. Carter, J. Clark, A. Castellano 2012-8-2 6920 Los Angeles Wild Boar Gully 172 Comment
  POM66521  Chaenactis artemisiifolia Marcus E. Jones 1887-04 s.n. Los Angeles Los Angeles. Comment
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Oct 26 2009
  UC1119681  Chaenactis artemisiifolia A. D. Gifford 1934-5-10 225 Los Angeles 3 mi w and 1 m N of Castro Pk.; Trifuno Pass Quadrangle 457 Comment
  RSA776320  Chaenactis fremontii R. G. Swinney 2009-4-29 10609 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR222740  Chaenactis fremontii R. G. Swinney 2009-4-29 10609 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  CAS-BOT-BC277336  Chaenactis glabriuscula var. glabriuscula LeRoy Abrams 1902-6-29 2605 Los Angeles Summit of Mt Wilson Comment
  CAS-BOT-BC277348  Chaenactis glabriuscula var. glabriuscula Le Roy Abrams; E. A. McGregor 1908-6-20 362 Los Angeles Liebre Mountains 1371 Comment
  RSA656220  Chaenactis glabriuscula var. glabriuscula Joseph M. Keefe 1977-6-10 22061 Los Angeles Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 457 Comment
  RSA93798  Chaenactis glabriuscula var. lanosa F. W. Peirson 1920-5-30 2121 Los Angeles Little Tujunga Wash 335 Comment
  CAS-BOT-BC100655  Chaenactis glabriuscula var. orcuttiana Edith A. Purer 1935-5-12 6593 Los Angeles El Segundo Comment
  RSA92862  Chaenactis santolinoides F. W. Peirson 1921-6-18 2710 Los Angeles divide north of Mt. Islip 2042 Comment
  CAS-BOT-BC26672  Chaetopappa lyonii William S. Lyon 1884-1-1 685 Los Angeles Palos Verdes Mt. (near San Pedro) Comment
  RSA499077  Chamaesyce albomarginata L. C. Wheeler 1931-8-6 s.n. Los Angeles Thompson Wash at S. B. Baseline. 389 Comment
  POM2853  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1806 Los Angeles Mouth of live Oak Canon. Upper Sonoran Zone. 457 Comment
  SBBG67757  Chamaesyce polycarpa M. N. Ackley -Jan-1928 344 Los Angeles Eagle Rock 243 Comment
  JEPS52358  Chamaesyce serpyllifolia R. L. Pendleton 1909-7-3 1398 Los Angeles canyon s Avalon; Santa Catalina Island 22 Comment
  CAS-BOT-BC68148  Cheilanthes newberryi L. R. Abrams; I. L. Wiggins 1931-7-6 349 Los Angeles San Clemente Island - vicinity of Mosquito Harbor Comment
  RSA527645  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4365 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UCR250249  Chenopodium album R. F. Thorne 1970-10-15 41872 Los Angeles Claremont: Rancho Santa Ana Botanic Garden 366 Comment
  SBBG102663  Chenopodium album C. F. Smith 1958-8-27 5846 Los Angeles Ventura Blvd near Sepulveda Blvd, San Fernando Valley Comment
  IRVC28749  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley NE end of Santa Susana Mtns. 366 Comment
  UC1980197  Chenopodium berlandieri R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  RSA478443  Chenopodium berlandieri var. sinuatum F. R. Fosberg 1931-4-8 S 4508 Los Angeles Santa Catalina Island. Avalon Valley, near golf course. 30 Comment
  CATA1130  Chenopodium californicum Mark L. Hoefs 1995-5-23 2098 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA249819  Chenopodium californicum R. F. Thorne, Gary D. Wallace 1973-4-25 43363 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SBBG59500  Chenopodium californicum S. A. Junak with K. Kirkland 1998-5-2 SCa 651 Los Angeles near top of coastal bluffs, at end of ridge SW of Pk 1245, ca. 1 air mi W of East Pk 228 Comment
  SEINET954681  Chenopodium californicum David Charlton 1989-1 2829 Los Angeles San Gabriel Mountains (northwest). Soledad Pass, Kentucky Springs development, 1 mile south of Highway 14 on Angeles Forest Highway (N-3), about 5 miles (airline) south of Palmdale. 1036 Comment
  UCR223107  Chenopodium californicum R. G. Swinney 2009-5-13 10796 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR252552  Chenopodium californicum R. G. Swinney 2010-5-11 12645 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA229885  Chenopodium fremontii H. A. Wahl 1966-8-26 21754 Los Angeles 10 mi. w. of Big PInes 2087 Comment
  POM265707  Chenopodium multifidum J. C. Roos 1937-7-19 1159 Los Angeles Pasadena. Comment
  SEINET5765066 Image available Chenopodium multifidum Freda Detmers 1929-1 s.n. Los Angeles Los Angeles Comment
  RSA478537  Chenopodium murale F. R. Fosberg 1931-5-22 7162 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA248899  Chenopodium murale R. F. Thorne 1973-4-12 42926 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  RSA584962  Chenopodium pratericola T. S. Ross 1990-6-1 2768 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA229884  Chenopodium pratericola H. A. Wahl 1967-8-2 C 722 Los Angeles [Unspecified] Comment
  RSA522452  Chenopodium pratericola T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4052 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. 1658 Comment
  RSA478455  Chenopodium pumilio F. R. Fosberg 1931-5-24 S 4971 Los Angeles Alluvial fan, La Crescenta Comment
  UCR123264  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25487 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  SD44970  Chlorogalum pomeridianum Darley A. Howe 1952-9-14 2260 Los Angeles West side of Lookout Mountain, Santa Monica Mountains. Comment
  RSA369220  Chlorogalum pomeridianum var. pomeridianum Donald R. Bissing 1973-6-2 153 Los Angeles Evey Canyon, San Gabriel Mts. above road cut 0.2 mile from canyon mouth. 689 Comment
  CAS-BOT-BC244664  Chorizanthe staticoides Alice Eastwood 1906-5-27 s.n. Los Angeles Garvanza Comment
  LA210343  Chorizanthe staticoides Jonathan Sauer; et. al. 1969-6-4 45 63 2 Los Angeles 853 Comment
  LA52282  Chorizanthe staticoides W. O. Griesel; 1936-5-16 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  UC1870197  Chorizanthe staticoides LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 241 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. Near N34° 13' 34.8'' W118° 17' 45.1''. Elev. 2384 Feet. 726 Comment
  UCR125630  Chorizanthe staticoides A. C. Sanders 2003-5-26 26857 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA600217  Chorizanthe xanti var. xanti Steve Boyd, Lauren Raz 1997-5-29 9902 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  RSA639474  Chrysothamnus nauseosus subsp. mohavensis Walter Wisura 1999-9-10 5131 Los Angeles San Gabriel Mts.: 3.5 miles W of Cow Canyon Saddle on forestry road off Glendora Ridgeroad. Comment
  CAS-BOT-BC162781  Chylismia claviformis subsp. claviformis Timothy S. Ross 1991-4-27 4691 Los Angeles Mojave Dersert - ca 0.85 mi W of Three Sisters & 1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' (not on 1968 topo), running northward to the W of BBB Rd for about 1.2 miles, then rejoining it NW of Three Sisters (b 947 Comment
  CAS-BOT-BC285402  Cirsium occidentale var. californicum I. M. Johnston 1917-8-22 1707 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 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
  RSA597397  Cistanthe monandra Timothy S. Ross, Steve Boyd 1990-6-18 3501 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA39032  Cistanthe monandra E. A. Purer 1932-5-14 s.n. Los Angeles El Segundo. Comment
  LA200699  Clarkia bottae Harlan Lewis; Margaret Lewis 1946-7-14 34 Los Angeles Santa Monica Mountains, Mullholland Hwy at Alhama Rd Comment
  POM153248  Clarkia bottae C. L. Hitchcock 1928-5-11 51 Los Angeles Mouth of San Dimas canyon. Comment
  RSA240683  Clarkia bottae Donald R. Bissing 1973-5-18 85 Los Angeles Evey Canyon, San Gabriel Mountains: roadside 0.4 mile from mouth of canyon. 732 Comment
  RSA453469  Clarkia bottae Howard Mullins 1931-5-15 s.n. Los Angeles Griffith Park. Comment
  UCR166712  Clarkia bottae Scott D. White, Jennifer H. Jones 2005-6-23 11146 Los Angeles San Gabriel Mtns, Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon 1098 Comment
  UCR258774  Clarkia cylindrica R. G. Swinney 2010-6-23 13345 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
  CAS-BOT-BC172102  Clarkia dudleyana Ernest Braunton 1903-6-1 895 Los Angeles Glendale to Burbank Comment
  RSA0016859  Clarkia dudleyana Mary P. Walker s.n. Los Angeles Live Oak Canyon. 549 Comment
  RSA0021295  Clarkia purpurea Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5090 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR214659  Clarkia purpurea A. C. Sanders, Dan S. Cooper 2010-4-30 38150 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC172541  Clarkia purpurea subsp. purpurea Ernest Braunton 1902-6-1 s.n. Los Angeles Elysian Park Comment
  RSA37799  Clarkia purpurea subsp. quadrivulnera H. E. Hasse 1890-06 s.n. Los Angeles Foothills, Sierra Santa Monica [Santa Monica Mountains]. Comment
  RSA630739  Clarkia purpurea subsp. quadrivulnera LeRoy Gross, Valerie Soza 1999-5-11 151 Los Angeles San Gabriel Mountains: On west slope of unnamed peak, this peaks elevation 2397 feet, off of Sycamore Canyon Motorway, upper slope of Sycamore Canyon. Above city of San Dimas 683 Comment
  SBBG131135  Clarkia purpurea subsp. quadrivulnera S. A. Junak 1999-5-21 SCa 973 Los Angeles upper reaches of Coffee Pot Cyn, near Benchmark 1732, N facing slope 527 Comment
  SD69600  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, P. Everett 1965-5-10 Los Angeles Near upper end of Gallagher Canyon. Santa Catalina Island 427 Comment
  CAS-BOT-BC165506  Clarkia unguiculata Carl B. Wolf 1928-5-11 2180 Los Angeles So. base of Newhall Grade 457 Comment
  RSA0049483  Clarkia unguiculata Richard G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0084498  Clarkia unguiculata R. G. Swinney 2010-5-4 12561 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA596803  Clarkia unguiculata Tim S. Ross, J. Mark Porter 1995-5-4 8500 Los Angeles Texas Canyon: ca 2.65 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA464599  Claytonia exigua subsp. exigua Anstruther Davidson 1895-5-6 s.n. Los Angeles Kings Canon [canyon], Antelope Valley. Comment
  IRVC26450  Claytonia parviflora A. C. Sanders, Mark Elvin, et al. 2003-3-5 25724 Los Angeles Newhall Ranch, canyon NE of "Grapevine Mesa," SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of "oil tanks" near BM 1073 NE end of Santa Susana Mtns. Comment
  CAS-BOT-BC439512  Claytonia parviflora subsp. parviflora Timothy S. Ross; Darin Banks 1994-4-13 7548 b Los Angeles Liebre Mountains. Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 926 Comment
  RSA732853  Claytonia parviflora subsp. utahensis R. G. Swinney 2001-6-2 7961 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  HSC31667  Claytonia perfoliata subsp. mexicana Thomas E. Higley 1974-4-20 31 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  RSA466691  Claytonia perfoliata subsp. mexicana Paul Currie 1969-1 34 Los Angeles Tapia Park, Malibu Hills, Santa Monica Mountains 610 Comment
  RSA466719  Claytonia perfoliata subsp. mexicana Thekla Mohr s.n. Los Angeles Los Angeles Comment
  SD79028  Claytonia perfoliata subsp. mexicana R. M. Beauchamp 1967-1-28 143 Los Angeles San Clemente Island, on knolls west of Lemon Tank Comment
  CHSC26387  Clematis lasiantha D. Veltman 1967-4-22 68 Los Angeles Angeles National Forest, Lake Hughes Rd. about 5 miles NE of Castaic. 792 Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR190542  Clematis lasiantha R. G. Swinney 2000-6-19 7827 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  POM155776  Clematis ligusticifolia M. B. Dunkle 1928-10-7 1990 Los Angeles Middle Ranch gorge, Santa Catalina Island. 30 Comment
  RSA191015  Clematis ligusticifolia Robert F. Thorne 1963-7-11 32782 Los Angeles Foothill Woodland-Mixed Evergreen Forest near entrance to Upper Shake Campground, ca 3 miles W of Lake Hughes, Angeles National Forest. Comment
  RSA386252  Clematis ligusticifolia Bonnie C. Templeton 1932-8-25 5071 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  UCR146693  Clematis ligusticifolia Scott D. White 2004-8-20 10739 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCSB12510  Clematis ligusticifolia Breedlove, Dennis 1961-8-4 Los Angeles near Peavine Campground; 3 mi W of Wrightwood on Big Pines Highway; San Gabriel Mtns 1828 Comment
  RSA386220  Clematis pauciflora Donald R. Bissing 1973-5-18 93 Los Angeles Evey Canyon, San Gabriel Mountains: 0.3 mile from mouth of canyon. 732 Comment
  RSA440830  Cleome isomeris F. R. Fosberg 1931-4-12 S- 4579 Los Angeles Santa Catalina Island; Palisades near Jewfish Point. 15 Comment
  RSA0107438  Collinsia R. G. Swinney 2011-5-19 14773 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  UCR190411  Collinsia R. G. Swinney 2000-5-20 7688 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  SFV8658  Collinsia bartsiifolia J. M. Tucker 1962-4-18 3620 Los Angeles Oso Canyon, 0.5 miles above Coalfield fence. 1037 Comment
  RSA606991  Collinsia heterophylla Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  SFV3352  Collinsia heterophylla M. L. Vincent 1961-4-22 44 Los Angeles Santa Monica Mountains Mulholland Highway, 0.25 miles west of Seminole Hot Springs. Roadside. Comment
  CAS-BOT-BC240956  Collinsia parryi Frank W. Peirson 1918-5-26 193 Los Angeles Toll Road to Mt. Wilson at Hennigers Flat, San Gabriel Mts. 868 Comment
  RSA0117346  Collinsia parryi A. C. Life 1921-4-3 15731 Los Angeles Pacoima Canyon. Comment
  RSA0117356  Collinsia parryi Orlando Mistretta, Peter L. Morrell 1992-6-4 493 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  SD30234  Colutea arborescens Paul O. Schallert 1943-4-19 Los Angeles Monrovia, in canyon Comment
  RSA669340  Conium maculatum LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 564 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  POM211795  Conium maculatum L. C. Wheeler 1933-9-10 2106 Los Angeles Santa Anita Canyon at W Fork 595 Comment
  SBBG54758  Consolida ajacis L. Topp 1967-5-24 200 Los Angeles Pomona College Wash, Claremont 350 Comment
  SBBG98429  Constancea nevinii T. Ross 1991-5-23 5477 Los Angeles mouth of Tota Cyn, middle of island, E escarpment 3 Comment
  UC303079  Constancea nevinii T. Minthorn 1920-7-1 Los Angeles near Avalon; Catalina Island Comment
  RSA0116336  Convolvulus arvensis Mitch Provance 2013-6-3 613 -34 Los Angeles Pomona, near border of Chino and San Bernardino Co., west of intersection of Ficus St., and Riverside Dr. 227 Comment
  SBBG78866  Convolvulus arvensis F. R. Fosberg 1931-5-2 4745 Los Angeles Middle Ranch Dam, Middle Ranch Cyn 200 Comment
  UC468804  Conyza bonariensis C. F. Millspaugh 1920-3-17 4826 Los Angeles Santa Catalina Island, Cherry Valley Comment
  UCR127394  Conyza bonariensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25529 Los Angeles Santa Clara River Valley, Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  RSA607952  Conyza bonariensis L. C. Wheeler 1933-5-30 1750 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  UCR150424  Conyza floribunda A. C. Sanders 2005-2-13 29151 Los Angeles San Gabriel Valley, Walnut, Mt. San Antonio College, at south foot of the San Jose Hills 244 Comment
  RSA573718  Cordylanthus rigidus subsp. setiger Tim S. Ross 1990-8-17 3130 Los Angeles S side of Blue Ridge, 0.6 mi. E of Vincent Gap along the Angeles Crest Highway (Hwy 2) 2061 Comment
  RSA718061  Cordylanthus rigidus subsp. setiger R. G. Swinney 1997-8-19 5807 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  SBBG68668  Cordylanthus rigidus subsp. setiger R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  JEPS86574  Coreopsis bigelovii Roy E. Buck 1988-4-9 888 Los Angeles s side of Antelope Valley (e of Largo Vista Rd. ca. 3.1 rd. mi s of CA hwy. 138, on w facing slope above large wash) 1280 Comment
  POM31332  Coreopsis californica Marcus E. Jones 1882-2-22 s.n. Los Angeles Pasadena. Comment
  UCD130996  Coreopsis californica Tom Gordon 1974-4-27 209 Los Angeles Antelope Valley. 165 St. E. T 8 Ave. Comment
  RSA92474  Coreopsis californica var. californica F. W. Peirson 1920-4-26 1342 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  RSA188195  Coreopsis gigantea R. F. Thorne, Percy C. Everett 1965-6-23 35018 Los Angeles Santa Catalina Island, rocky ridge on Hamilton Canyon side N of Descano Canyon 61 Comment
  RSA0039069  Corethrogyne filaginifolia R. G. Swinney 2009-11-16 11622 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA0105004  Corethrogyne filaginifolia R. G. Swinney 2011-10-25 15891 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
  SBBG60526  Corethrogyne filaginifolia R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  IRVC28209  Corethrogyne filaginifolia var. filaginifolia June Latting 1976-10-6 s.n. Los Angeles Big Rock Creek Fire Station, Fenner Canyon San Gabriel Mountains 1585 Comment
  POM356134  Corethrogyne filaginifolia var. filaginifolia L. E. Hoffman 1927-8-19 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Clear Creek. Comment
  CAS-BOT-BC209768  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island. Hamilton Canyon, left fork, 200 ft. above forks 121 Comment
  CAS-BOT-BC212115  Cornus sericea Geo. B. Grant 1901-1-1 217 Los Angeles Oak Knoll, Pasadena Comment
  RSA659153  Cortaderia selloana Scarlett Mellin 1994-5-28 23 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  SBBG128415  Cortaderia selloana M. L. Hoefs, S. A. Junak, A. Fone 1995-11-8 2530 Los Angeles below airport runway, by Buffalo Springs Reservoir 438 Comment
  RSA600567  Cotula australis L. C. Wheeler 1961-2-25 7799 Los Angeles San Gabriel Mountains. Arroyo Seco. 586 Comment
  UCR123265  Cotula coronopifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25488 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  JEPS50003  Crassula connata var. erectoides Frank W. Peirson 1920-4-26 2112 Los Angeles Santa Anita Wash San Gabriel Mts., Santa Anita Wash 213 Comment
  RSA625860  Crassula tillaea Scott D. White, Pam DeVries 1998-4-19 6275 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  SD28083  Crocanthemum scoparium var. vulgare Carl B. Wolf 1932-5-13 3625 Los Angeles Santa Catalina Island; 3.5 miles from Avalon on way to Isthmus. 365 Comment
  RSA177851  Crossosoma californicum R. F. Thorne 1965-3-11 3462 Los Angeles Near junction of roads to Middle Ranch, and Little Harbor, Santa Catalina Island. 91 Comment
  SBBG47482  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Avalon, East Ridge 91 Comment
  SBBG78118  Crossosoma californicum M. E. Jones 1928-5-29 Los Angeles isthmus Comment
  SDSU5817  Crossosoma californicum D. F. Howe 1968-2-24 4487 Los Angeles On south side of Fourth of July Cove, Santa Catalina Island. Comment
  CHSC93232  Croton californicus John Dittes 2005-11-26 1300 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  RSA316996  Croton californicus T. S. Elias, Walter Wisura 1984-7-27 8514 Los Angeles North of Malibu; Point Dume. Comment
  UCR178178  Croton californicus LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 679 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  SEINET12141352  Croton californicus J. F. Bright, Wyman, C. 1931-1 5833 Los Angeles Los Angeles Comment
  RSA479348  Croton californicus var. mohavensis Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  RSA226029  Crypsis vaginiflora R. F. Thorne, C. W. Tilforth 1971-6-29 40647 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  UCR206443  Cryptantha R. G. Swinney 2008-6-10 9006 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
Read comments
Feb 19 2020
  CAS-BOT-BC33093  Cryptantha abramsii LeRoy Abrams 1903-3-14 3139 Los Angeles San Pedro hills, near Malaga cove Comment
  UC598585  Cryptantha affinis John Bright 1936-4-15 12727 Los Angeles Mt. Malibu Santa Monica Mts. Comment
  UC455976  Cryptantha clevelandii I. J. Condit 1911-3-27 Los Angeles Catalina Island Comment
  UCD119640  Cryptantha clevelandii Robert F. Thorne; M. Z. Thorne 1973-2-12 42470 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove. 45 Comment
  SD186128  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Newhall Ranch, ca. 0.4 mile north of Highway 126, west of Castaic Creek and north of its confluence with the Santa Clara River. 305 Comment
  UCR126681  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  SEINET213153  Cryptantha dumetorum Larry C. Higgins 1974-4-11 8450 Los Angeles On Highway 18 at the Los Angeles-San Bernardino County Line. Comment
  RSA507531  Cryptantha flaccida L. C. Wheeler 1967-5-8 9341 Los Angeles between Bouquet Junction and Bonelli Ranch 396 Comment
  SEINET3152257  Cryptantha intermedia G. B. Grant 1901-1-1 238 Los Angeles Pasadena Comment
  UC402772  Cryptantha intermedia C. F. Baker 1903-4-1 4137 Los Angeles Claremont Comment
  UC1349351  Cryptantha intermedia Robert F. Thorne 1966-4-7 35974 Los Angeles road above Emerald Cove; Santa Catlina Island 60 Comment
  UCR264738  Cryptantha micrantha var. micrantha Steve Boyd, Gary D. Wallace 2011-4-14 12315 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA13413  Cryptantha microstachys C. B. Wolf 1936-5-26 7830 Los Angeles Indian Canyon Camp, 2 mi. off Soledad Canyon, NW end of of San Gabriel Range. 914 Comment
  RSA499677  Cryptantha microstachys Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  LA91455  Cryptantha muricata Bruce Douglas Clayton; Greg Clayton 1972-4-4 55 Los Angeles Santa Monica Mountains, Nettleburn Creek Canyon, Mountain Park Research Campus 556 Comment
  RSA499691  Cryptantha muricata T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
Read comments
May 29 2014
  UCR147283  Cryptantha muricata Orlando Mistretta 1992-8-20 773 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  UCR220247  Cryptantha muricata R. G. Swinney 2009-4-28 10516 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  POM156295  Cryptantha muricata L. R. Abrams 1902-6-30 2590 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  RSA0079551  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3914 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0104906  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR280691  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA0079319  Cryptantha muricata var. jonesii Wayne E. Sawyer 1981-6-11 15 Los Angeles Ca Hwy 2 between Dawson Saddle and Junction of Hwy 39, 2.75 from Dawson Saddle. 2241 Comment
  UCR263278  Cryptantha muricata var. muricata Anuja Parikh, Nathan Gale 2012-5-9 3587 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  UC61112  Cryptantha nevadensis J. Burtt Davy May 9 1896-May 24 1896 2291 Los Angeles Palmdale to Little Rock; Antelope Valley Comment
  UCR155395  Cryptantha nevadensis A. C. Sanders, T. B. Salvato 2005-5-24 30262 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
  RSA702543  Cryptantha nevadensis var. rigida Scott D. White 2004-5-5 10294 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA115723  Cryptantha nevadensis var. rigida E. C. Twisselmann 1955-6-23 2206 Los Angeles Mt Abel Road, at Kern County line 1646 Comment
  UCR149919  Cryptantha oxygona R. G. Swinney 1999-6-18 7303 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  SFV3104  Cryptantha pterocarya K. A. Wilson 1961-4-29 1172 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  RSA0079036  Cryptantha pterocarya var. pterocarya LeRoy Gross 2005-4-28 2147 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
  SD253408  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 Los Angeles San Gabriel Mts./SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile S of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 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
  UCR209461  Cryptantha simulans R. G. Swinney 2008-10-10 9564 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCSB4988  Cuscuta californica Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  RSA409762  Cuscuta campestris Robert Gustafson 1981-7-15 2344 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA588684  Cuscuta denticulata Orlando Mistretta 1995-7-12 1898 Los Angeles Little Rock Creek, just N of Guard Station along Little Rock Creek, below dam 976 Comment
  UCD54440  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 10 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  RSA762333  Cuscuta subinclusa R. G. Swinney 2008-11-30 9861 Los Angeles Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA300657  Cycladenia humilis var. venusta J. R. Shevock 1974-10-5 3874 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2864 Comment
  UCR131382  Cyclospermum leptophyllum Alison Lipman 1998-6-30 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA608754  Cydonia oblonga Louis C. Wheeler 1963-10-6 8403 Los Angeles Altadena: 55 E. Pine Street. Comment
  CAS-BOT-BC190266  Cynodon dactylon Geo. B. Grant 1900-4-17 s.n. Los Angeles Pasadena. Comment
  UCR253387  Cynodon dactylon R. G. Swinney 2010-9-1 13662 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA0112848  Cyperus Steven A. Junak 1999-5-8 SCa- 911 Los Angeles Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mi upstream from junction with Cottonwood Canyon. 122 Comment
  SD215320  Cyperus difformis Louis C Wheeler 1946-9-8 6361 Los Angeles San Gabriel Mountains: San Gabriel Canyon, 1/4 mile below forks along highway on west side. Comment
  RSA191160  Cyperus eragrostis Robert F. Thorne, M. Z. Thorne 1967-7-19 37135 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  CAS-BOT-BC113962  Cyperus odoratus Ernest Braunton 1902-7-1 578 Los Angeles LA River Comment
  RSA0025905  Cystopteris fragilis Justin M. Wood 2012-3-20 4640 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  RSA11496  Cystopteris fragilis H. E. Hasse, Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek among the pines, 5000 ft. 1524 Comment
  SEINET11991607  Datisca glomerata R. F. Thorne, DeBuhr, L. 1974-1 44772 Los Angeles San Gabriel Mts., Angeles National Forest, Datisca Gully, ca 2 mi S of Islip Saddle, Mt. Islip 1829 Comment
  UCR95386  Datura wrightii L. C. Wheeler 1966-11-19 9126 Los Angeles San Gabriel Mtns, Pacoima Canyon. Dillon Ranch Road at Little Tujunga Canyon Road. 747 Comment
  RSA421875  Datura wrightii Claire Kibbe 1936-07 19962 Los Angeles Santa Ana Canyon 915 Comment
  POM19139  Daucus pusillus P. A. Munz 1923-4-9 6672 Los Angeles San Clemente Island, east coast. Comment
  SD40763  Deinandra clementina Carl B. Wolf 1932-10-3 4217 Los Angeles Santa Catalina Island; at site of Tent City', pEBBLY bEACH. Comment
  UC1215125  Deinandra clementina Peter H. Raven 1962-7-12 18038 Los Angeles above North Head; San Clemente Island Comment
  CHSC95442  Deinandra fasciculata LeRoy Gross 2001-5-27 421 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek. Along dirt trail on the crest between La Tuna Canyon Road and Sunland Blvd. Just to the west of this Lat. Long. 427 Comment
  JEPS26183  Deinandra fasciculata Peter H. Raven and Henry J. Thompson 1959-9-18 14451 Los Angeles University of California Santa Monica Mountains, West Los Angeles, University of Cali 152 Comment
  CAS-BOT-BC299275  Deinandra fasciculata John H. Thomas 1957-5-31 6802 Los Angeles Occidental College Campus, Los Angeles Comment
  LA209912  Deinandra fasciculata H. Lewis; 1940-8-12 Los Angeles Campus of University of California at Los Angeles Comment
  UC174178  Deinandra kelloggii J. Grinnell 1903-6-30 Los Angeles Pasadena Comment
  CAS-BOT-BC131011  Deinandra minthornii John Thomas Howell 1977-3-7 52314 Los Angeles Summit of Santa Susana Pass, Los Angeles - Ventura Co. line Comment
  SBBG126972  Delphinium cardinale A. Parikh, N. Gale 2011-7-12 3554 Los Angeles West Fork San Gabriel River, 2.6 km W of St Hwy 39; San Gabriel Mtns 523 Comment
  UCR179264  Delphinium cardinale R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.3 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  SEINET12092462  Delphinium decorum I. W. Clokey, Anderson, E. G. 1935-1 6621 Los Angeles San Dimas Canyon Comment
  RSA0029746  Delphinium glaucum R. G. Swinney 1997-7-23 5725 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  CAS-BOT-BC7964  Delphinium parishii subsp. parishii H. M. Hall 1900-6-1 1462 Los Angeles San Antonio Mountains, Lytle Creek Canyon 1676 Comment
  SBBG126933  Delphinium parishii subsp. parishii A. Parikh, N. Gale 2011-6-6 3415 Los Angeles 5.5 km W of St Hwy 14, 2.1 km SW of California Aqueduct; Sierra Pelona, Liebre Mtns 1142 Comment
  UC64118  Delphinium parishii subsp. parishii H. M. Hall June 1899 1243 Los Angeles San Antonio Mts. 1752 Comment
  UC1126034  Delphinium parryi A. D. Gifford 1934-4-23 142 Los Angeles 1 1/2 mi e and 1 mi n Castro Peak; Triunfo Pass Quadrangle Comment
  OBI69293  Delphinium parryi subsp. maritimum John Knapp, Denise Knapp 2003-5-11 44 Los Angeles Catalina Island 259 Comment
  SBBG77825  Delphinium parryi subsp. maritimum F. R. Fosberg 1932-5-5 8108 Los Angeles hill N of Avalon 40 Comment
  CAS-BOT-BC116283  Delphinium parryi subsp. parryi Geo. L. Mosley 1922-6-12 1110 Los Angeles San Francisquito Canyon Comment
  JEPS6107  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA584620  Delphinium patens subsp. hepaticoideum Tim S. Ross, S. D. Boyd 1991-4-25 4611 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  UCR238643  Delphinium patens subsp. patens Anuja Parikh, Nathan Gale 2010-6-18 3333 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 1.2 km north of State Hwy 2 (Angeles Crest Hwy) 0.4 km west of Upper Big Tujunga Canyon Road 1220 Comment
  RSA783869  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 C Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  JEPS75649  Dendromecon rigida Frank W. Peirson 1919-5-21 408 Los Angeles Arroyo Seco Canyon; San Gabriel Mountains 914 Comment
  PASA447  Dendromecon rigida Marjorie Magee Los Angeles Foothills Comment
  SD90605  Deschampsia danthonioides Robert F. Thorne 1966-4-17 36097 Los Angeles San Clemente Island; on mesa just northwest of Thirst; in vernal pool 548 Comment
  RSA762708  Deschampsia elongata R. G. Swinney 2008-7-24 9349 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CATA2985  Descurainia pinnata Peter J. Dixon 2015-2-25 017 Los Angeles Santa Catalina Island: Wild Boar Gully, near ridge, 350m SW of Wild Boar Gully Rd. 247 Comment
  POM305049  Descurainia pinnata Henry J. Ramsey, Henry J. Ramsey 1937-1-8 373 Los Angeles Altadena, Craig Ave Comment
  RSA595621  Descurainia pinnata subsp. intermedia L. C. Wheeler 1967-5-9 9384 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UCR186900  Descurainia sophia A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32020 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
  RSA598352  Descurainia sophia L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  POM148897  Dicentra chrysantha C. F. Baker 1903-8-2 3459 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA598200  Dichelostemma capitatum Steve Boyd, Lauren Raz 1997-3-4 9140 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 987 Comment
  UC72250  Dichelostemma capitatum unknown Mar 1893 Los Angeles Los Angeles Comment
  UCR126337  Dichelostemma capitatum A. C. Sanders 2003-3-14 25755 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
  UCR272605  Dichelostemma capitatum R. G. Swinney 2011-6-7 15055 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
  CAS-BOT-BC499438  Dichelostemma capitatum Reid Moran 1941-2-17 580 Los Angeles West side of arroyo, Middle Ranch, San Clemente Island Comment
  RSA613091  Dichelostemma capitatum subsp. capitatum Anna Christensen 1997-4-3 16 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Avenue and Foothill Boulevard 412 Comment
  RSA658358  Dichelostemma capitatum subsp. capitatum Naomi Zohman 1985-4-28 21 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  UCR197779  Dichelostemma capitatum subsp. capitatum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 21 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
  RSA95855  Dichelostemma ida-maia E. K. Balls 1954-5-26 19408 Los Angeles [Claremont], Botanic Garden plants, Prop. No. 5811, from bulbs cultivated in garden of Henry R. davis, Los Angeles, presented to Garden Aug. 1942. Comment
  UCR210422  Dichondra micrantha R. G. Swinney 2008-12-2 9928 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  CAS-BOT-BC299813  Dieteria canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Praire Fk. of San Gabriel R., San Antonio Mountains 1981 Comment
  OBI50365  Diplacus fremontii R. A. Oyler 1975-5-3 604 Los Angeles One mi N of Holcomb Ridge, 2 mi W of Largo vista, 1 mi S of Fort Tejon rd, Pear Blossom 1230 Comment
  SEINET260463  Diplacus johnstonii David M. Thompson 1986-1 495 Los Angeles San Gabriel Mts 7.0 mi N of Angeles Crest Hwy (Hwy 2) along rd following the S Fork Little Rock Creek Comment
  CAS-BOT-BC150642  Diplacus longiflorus Alice Eastwood 1913-5-11 3130 Los Angeles San Fernando Wash Comment
  SBBG128346  Distichlis spicata M. L. Hoefs 1991-6-26 1431 Los Angeles Bullrush Cyn 335 Comment
  SBBG56830  Distichlis spicata R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC635067  Dodecahema leptoceras Frank W. Peirson 1925-4-19 5776 Los Angeles e of Pacoima bridge (on upper boulevard) Comment
  UC22365  Dodecatheon clevelandii subsp. clevelandii Harley P. Chandler 1897-1-1 Los Angeles Claremont 701 Comment
  RSA69024  Dodecatheon clevelandii subsp. clevelandii F. W. Peirson 1919-2-9 321 Los Angeles Fish Canyon, San Gabriel Mts. 305 Comment
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Dec 10 2014
  RSA461368  Dodecatheon clevelandii subsp. sanctarum Ora M. Clark 1929-3-24 1773 Los Angeles S. Santa Susana Mtns. Comment
  UC586880  Dodecatheon redolens Joseph Andorfer Ewan 1934-8-6 8317 Los Angeles about Laurel Spring San Gabriel Mts., Laurel Spring, North Baldy (n slope North Baldy, San Gabriel Mts.) 2499 Comment
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Nov 6 2014
  UC1611541  Drymocallis glandulosa Tim Ross, Walter Appleby 1993-5-20 7194 Los Angeles vicinity Wilson Canyon Saddle (northerly slope ca 150 m e of saddle); western San Gabriel Mtns., San Fernando Quad. 963 Comment
  RSA85795  Drymocallis glandulosa var. reflexa F. W. Peirson 1918-6-1 4276 Los Angeles Henniger's Flats, San Gabriel Mts 854 Comment
  LA94252  Dryopteris arguta Lawrence L. Kiefer; 1966-4-30 1945 Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, S of Canyon Potrero Rd. 304 Comment
  POM219990  Dryopteris arguta F. R. Fosberg 1932-5-6 8127 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 50 Comment
  RSA693697  Dryopteris arguta L. E. Hoffman 1930-5-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  SD92986  Dryopteris arguta W. Bertsch 1953-4-21 83 Los Angeles LIttle Dalton Canyon 365 Comment
  UC1063778  Dryopteris arguta F. H. Raymond 1930-1-29 41 Los Angeles Santa Ynez Canyon; Calabasas Quadrangle 213 Comment
  RSA650216  Dryopteris arguta Ken Chapman, Glenn Harthorn, Don Lage 1949-5-3 s.n. Los Angeles San Dimas Canyon. 518 Comment
  UCR213785  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood 2009-5-6 12660 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  RSA18519  Dudleya densiflora Percy C. Everett 1936-10-29 8305 Los Angeles mouth of San Gabriel Canyon 228 Comment
  CAS-BOT-BC428405  Dudleya lanceolata John H. Thomas 1957-5-31 6793 Los Angeles Occidental College Campus, Los Angeles. Hills behind campus. Comment
  LA200386  Dudleya lanceolata Kei Nakai; 1980-5-25 609 Los Angeles 274 Comment
  RSA587397  Dudleya lanceolata Orlando Mistretta 1992-5-8 317 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UC1127122  Dudleya lanceolata Jerome S. Horton 1937-5-19 446 Los Angeles San Dimas Canyon Trail to flumes 4 and 5 Pomona Quadrangle 579 Comment
  SDSU5755  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-6-7 350 Los Angeles Palos Verdes Hills, southeast edge of Portuguese Bend, ca. 0.6 km. south of Palos Verdes Drive South, on cliff above ocean. 23 Comment
  SDSU5737  Dudleya virens subsp. hassei Jim Dice, Michael Donoghue & Terry Martin 1983-5-20 346 Los Angeles Santa Catalina Island, northeast-facing slope above Pebbly Beach Drive, between Avalon Bay and Abalone Point. 23 Comment
  RSA478454  Dysphania botrys Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  CAS-BOT-BC197140  Echinochloa crus-galli Le Roy Abrams 1901-8-1 2175 Los Angeles Pomona Comment
  POM365250  Echinochloa crus-galli Gary D. Cromwell 1979-6-1 s.n. Los Angeles Along Walnut Ave., San Dimas. Comment
  RSA595004  Ehrharta calycina Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-13 2372 Los Angeles Santa Catalina Island. Silver Peak Trail Road, off Upper West End Road. 476 Comment
  RSA746792  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  SD69663  Ehrharta calycina Robert F. Thorne, Reed Rollins et al 1967-5-18 36741 Los Angeles Santa Catalina Island, above lower end Bulrush Canyon 244 Comment
  UCR223389  Eleocharis R. G. Swinney 2009-5-27 10873 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR155131  Eleocharis macrostachya A. C. Sanders 2005-5-5 29938 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, SW end of Cruzan Mesa at site of former dairy, east of Bench Mark 'Plum 655 Comment
  RSA191644  Eleocharis palustris Robert F. Thorne, M. Z. Thorne 1966-8-29 36605 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines Recreation Area south of Jackson Lake on road from Big Pines to Valyermo 1860 Comment
  IRVC29011  Eleocharis parishii A. C. Sanders, Mark Elvin 2002-6-25 25287 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  CAS-BOT-BC112216  Eleocharis rostellata F. R. Fosberg; J. Ewan 1931-8-13 4995 Los Angeles Common in wet muck along streams Big Cienega above Crystal Lake. 1981 Comment
  SBBG45000  Elodea canadensis L. C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Cyn Dam 411 Comment
  UCR200039  Elymus condensatus Valerie Soza, B. Hogshead 2003-4-23 1645 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  RSA0105970  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 15510 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  UCR272571  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-7 15069 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
  LA206375  Elymus glaucus Barry A. Prigge; 1989-5-13 8751 Los Angeles Santa Susana Mountains, Devil Canyon, ca 1.8 mi. NW of junction of Simi Valley Frwy and Topanga Blvd, N of Chatsworth 426 Comment
  RSA747975  Elymus glaucus R. G. Swinney 2001-8-27 8116 Los Angeles San Gabriel Mtns.: Windy Spring, 0.3 mi. NW of Little Jimmy Campground. 2256 Comment
  SEINET7303723 Image available Elymus glaucus Louis Wheeler 1932-1 810 Los Angeles 2 mi. NE La Verne 375 Comment
  UCD61920  Elymus glaucus Peter H. Raven 1959-5-3 14067 Los Angeles Mulholland Drive 0.5 miles east of Beverly Glen Boulevard. 381 Comment
  CAS-BOT-BC206748  Elymus glaucus subsp. glaucus G. B. Grant 1902-6-10 5109 Los Angeles Summit Mt. Wilson Comment
  POM1309  Elymus glaucus subsp. glaucus I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  SBBG59339  Elymus multisetus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SD252257  Elymus triticoides Steven A. Junak 2000-7-1 Sca 1373 Los Angeles Santa Catalina Island: Cape Canyon. 264 Comment
  RSA678394  Encelia actoni Valerie L. Soza, LeRoy Gross 2002-4-3 1377 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA725191  Encelia actoni Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -99 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
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Aug 28 2015
  UC1922691  Encelia actoni Scott D. White, A. Warniment 2006-7-7 11627 Los Angeles SE TEHACHAPI MTNS.: Gorman area, west of the I-5 Freeway at SR-138 interchange. Lebec 7.5' Quad. Comment
  RSA533959  Encelia californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5198 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  UC1211169  Encelia californica Huron H. Smith 1912-4-27 4850 Los Angeles Cahuenga Pass 274 Comment
  UCR61069  Encelia farinosa R. G. Swinney 1989-6-11 s.n. Los Angeles San Gabriel Mtns., base of mtns, in & near the City of Glendora. Garcia Trail, c. 1 mi north of Sierra Madre Ave. 503 Comment
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Mar 7 2013
  SEINET7837722  Encelia farinosa Unknown 1973-5-16 Los Angeles San Gabriel Mountains. Mouth of Van Tassel Canyon. Comment
  POM123096  Endolepis covillei Marcus E. Jones 1924-9-17 s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC81809  Ephedra nevadensis Timothy S. Ross 1992-4-4 6104 Los Angeles Big Rock Cree: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road. Valyermo USGS 7.5' Quad 1210 Comment
  LA103276  Ephedra nevadensis Jonathan Sauer; Jeff Weinstein 1982-5-15 6225 Los Angeles Antelope Valley, Juniper Hills Comment
  RSA383905  Ephedra nevadensis Robert Gustafson, Christopher Davidson 1977-4-20 424 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA614827  Ephedra nevadensis 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
  CAS-BOT-BC81969  Ephedra viridis A. D. E. Elmer 1902-6-1 3599 Los Angeles Acton Comment
  UCR205458  Ephedra viridis R. G. Swinney 2008-5-2 8735 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA764478  Epilobium canum subsp. angustifolium Doris Bowers 1954-08 415 Los Angeles Arroyo Seca, Pasadena 305 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
  RSA72336  Epilobium canum subsp. canum F. W. Peirson 1918-10-26 6479 Los Angeles Big Dalton Canyon, San Gabriel Mtns. 640 Comment
  SD44622  Epilobium canum subsp. canum Darley F. Howe Oct 1951 2162 Los Angeles Mandeville Canyon; Santa Monica Mountains. Comment
  SD85049  Epilobium canum subsp. canum E. R. Blakley 1961-9-24 4779 Los Angeles Santa Catalina Island. Little Harbor at mouth of Little Springs Canyon. 6 Comment
  SD91994  Epilobium canum subsp. canum R. M. Beauchamp, T. Oberbauer 1975-8-23 22680 Los Angeles Volcanic cliff, west fork of Red Rock Canyon, San Clemente Island. 349 Comment
  UCR243023  Epilobium ciliatum R. G. Swinney 2009-8-6 11532 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA588320  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-6-26 S- 3026 Los Angeles Lower Ballona Creek. 9 Comment
  RSA702437  Epilobium ciliatum subsp. ciliatum Scott D. White 2004-7-28 10659 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UCR270233  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-6-30 15396 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0113734  Epilobium ciliatum subsp. ciliatum Steven A. Junak 1999-5-21 SCa- 989 Los Angeles Santa Catalina Island. Coffee Pot Canyon, upstream from road crossing. 427 Comment
  UCR223130  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA72183  Epilobium glaberrimum subsp. glaberrimum F. W. Peirson 1921-7-17 2499 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2012 Comment
  RSA0087305  Epipactis gigantea R. G. Swinney 2010-9-13 13821 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
  POM6278  Epipactis gigantea Arvis Smith 1899-06 105 Los Angeles Claremont. 366 Comment
  RSA750097  Equisetum hyemale var. affine R. G. Swinney 2008-4-30 8701 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA639598  Equisetum hyemale var. affine L. C. Wheeler 1932-5-4 679 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  POM155670  Equisetum laevigatum M. B. Dunkle 1928-5-20 1964 a Los Angeles Santa Catalina Island, Middle Ranch Gorge 91 Comment
  UCR258775  Equisetum laevigatum R. G. Swinney 2010-6-23 13343 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
  SD215305  Equisetum telmateia Louise C Wheeler 1932-3-17 505 Los Angeles Los Angeles River at Los Feliz Blvd. 121 Comment
  SBBG13791  Equisetum telmateia subsp. braunii M. A. Piehl 1962-10-2 62530 Los Angeles Middle Ranch Crk, ca. 0.5 mi from its mouth Comment
  POM119654  Equisetum telmateia var. braunii George B. Grant 1904-04 406 Los Angeles near Pasadena. Comment
  RSA432672  Eremalche exilis Blanche Trask 1901-03 2593 Los Angeles Avalon, Santa Catalina Island. Comment
  UC440456  Eremalche exilis Carl Epling, Lincoln Ellison, and Harvey Anderson 1930-4-17 8 Los Angeles Lancaster Mohave Desert, Lancaster Comment
  RSA127779  Eremocarpus setiger P. H. Raven, Henry J. Thompson 1959-6-4 14333 Los Angeles Santa Monica Mountains, Point Dume Comment
  UC57206  Eremocarpus setiger Ernest Braunton July 1902 586 Los Angeles Eagle Rock Valley Comment
  SEINET8409243  Eremogone macradenia R. F. Thorne, M. Z. Thorne 1969-7-9 38497 Los Angeles San Gabriel Mts., Angeles National Forest; summit of Tabel Mt. 2134 Comment
  RSA0041940  Eremogone macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10018 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  SEINET13387120 Image available Eriastrum densifolium R. G. Swinney 2011-1 15416 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  UCR139910  Eriastrum densifolium subsp. densifolium Scott D. White 1997-5-14 5129 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  RSA0120066  Eriastrum eremicum subsp. eremicum H. E. Hasse 1906-6-1 s.n. Los Angeles Big Rock Creek. Comment
  UC908542  Eriastrum pluriflorum Frank W. Peirson 1927-5-7 7268 Los Angeles 12 mi s Muroc Comment
  JEPS123279  Eriastrum rosamondense David Gowen 2005-5-11 309 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  UC133883  Eriastrum sapphirinum Katharine Brandegee June 1888 Los Angeles Lancaster Comment
  UC147004  Eriastrum sapphirinum C. F. Baker 1909-12-15 5239 Los Angeles Claremont Comment
  UC421673  Eriastrum sapphirinum John Thomas Howell 1928-6-10 3879 Los Angeles Monrovia Canyon San Gabriel Mts. Comment
  UCR242049  Eriastrum sapphirinum Dan S. Cooper 2012-6-22 612- 27 Los Angeles Western Transverse Range; Santa Monica Mountains, Topanga, Will Geer Road 405 Comment
  RSA0122934  Eriastrum sapphirinum Orlando Mistretta, Christine Mistretta 2008-4-3 2270 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  UC184242  Eriastrum sapphirinum A. D. E. Elmer June 1902 3710 Los Angeles Acron Comment
  RSA0121252  Eriastrum sapphirinum subsp. dasyanthum R. F. Thorne, C. W. Tilforth 1971-6-17 39902 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  RSA0121822  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2009-5-9 10705 Los Angeles Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway. 183 Comment
  RSA0122878  Eriastrum sapphirinum subsp. dasyanthum Justin M. Wood 2009-6-5 826 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  CAS-BOT-BC514967  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1928-6-10 3879 Los Angeles San Gabriel Mts: Monrovia Canyon, near Deer Park Comment
  RSA0121298  Eriastrum sapphirinum subsp. dasyanthum Thos. Craig 1927-11-24 529 Los Angeles Indian Hill, Claremont. Comment
  UCSB22823  Ericameria arborescens Wilken, Dieter 1967-8-1 Los Angeles Along L.A. County Road 3; 1 mile south of Tujunga Canyon Bridge; San Gabriel Mtns. Comment
  POM359317  Ericameria cooperi Ralph Hoffmann 1931-4-20 s.n Los Angeles Lancaster Comment
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Jul 24 2010
  CAS-BOT-BC131687  Ericameria cooperi var. cooperi L. R. Abrams 1924-4-2 10126 Los Angeles Mint [Canon] Canyon Comment
  JEPS46231  Ericameria ericoides A. E. Wieslander 1928-4-10 Los Angeles Tujunga Canyon San Gabriel Mts., Tujunga Canyon Comment
  JEPS86575  Ericameria linearifolia Roy E. Buck 1988-4-9 887 Los Angeles 14 air km ese Pearblossom (s side of Antelope Valley, e of Largo Vista Rd., ca 3.1 rd mi s of CA Hwy. 138, ca 0.3 air km e of wash draining Grandview Canyon); Antelope Valley, Grandview Canyon 1280 Comment
  UC203165  Ericameria nauseosa var. oreophila H. M. Hall 1917-10-27 10580 Los Angeles near Lancaster; Dry Lake Comment
  SD30748  Ericameria pachylepis Edith A. Purer 1933-10-7 5583 Los Angeles Along roadside, Los Angeles flood plain, east of El Segundo. Comment
  RSA802336  Ericameria parishii Orlando Mistretta, Christine Mistretta 2011-7-6 5919 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  IRVC28588  Ericameria pinifolia A. C. Sanders, Mark Elvin 2002-6-19 25183 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  POM41768  Ericameria pinifolia Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UC134191  Ericameria pinifolia C. F. Baker 1903-10-1 4076 Los Angeles Claremont Comment
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Jan 16 2013
  CAS-BOT-BC293353  Ericameria teretifolia Elmer I. Applegate 1931-11-2 6831 Los Angeles Mint Canyon. Highway to Mojave Comment
  CAS-BOT-BC27343  Erigeron breweri var. bisanctus Charles Fuller Baker 1903-8-2 3451 Los Angeles San Antonia Canyon, near Claremont Comment
  UCD169690  Erigeron canadensis Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. 1262 Comment
  RSA0091509  Erigeron foliosus var. foliosus R. G. Swinney 2011-10-10 15745 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  SEINET191885  Erigeron foliosus var. foliosus C. B. Wolf 1931-5-13 1999 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 366 Comment
  UC1595433  Erigeron foliosus var. foliosus Tim Ross 1992-7-10 6681 Los Angeles along creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 975 Comment
  LA81946  Eriodictyon crassifolium O. H. Kappler; 1941-5-9 251 Los Angeles Santa Monica Mountains, Cold Creek 182 Comment
  RSA455002  Eriodictyon crassifolium Ora M. Clark 1929-3-24 1780 Los Angeles Santa Susana Mountains. Comment
  RSA592780  Eriodictyon crassifolium var. nigrescens Steve Boyd 1996-4-4 8533 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 488 Comment
  RSA747738  Eriodictyon crassifolium var. nigrescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12693 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SEINET10497049  Eriodictyon traskiae Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4804 Los Angeles Santa Catalina Island; Catalina Conservancy Land, lower Cape Canyon Reservoir. Along Cape Canyon Trail (Road), .4 miles from junction to Airport Road. 8 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 500 Comment
  UC483364  Eriodictyon traskiae L. R. Abrams and I. L. Wiggins 1931-7-4 324 Los Angeles White's Landing Channel Islands, Santa Catalina Island (Santa Catalina Island) Comment
  CAS-BOT-BC222688  Eriodictyon trichocalyx Clare B. Hardham 1959-6-16 4871 Los Angeles Near Pear Blossom Comment
  SBBG6092  Eriodictyon trichocalyx H. and M. Dearing 1941-5-11 4648 Los Angeles near Big Rock Crk Comment
  SFV16677  Eriodictyon trichocalyx P. Wilson, J. M. Albert 1996-6-12 3436 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  UCD119326  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. Comment
  UCR209242  Eriogonum baileyi R. G. Swinney 2008-10-7 9478 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  CAS-BOT-BC241576  Eriogonum baileyi var. baileyi Joseph Andorfer Ewan 1934-8-3 8369 Los Angeles Swartout [Swarthout] Valley, near county line, San Gabriel Mts. 1981 Comment
  RSA393106  Eriogonum brachyanthum L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert near mouth of Little Rock Creek. Comment
  SBBG61896  Eriogonum brachyanthum R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  UC1375316  Eriogonum brachyanthum Robert F. Thorne and C. W. Tilforth 1971-6-29 40685 Los Angeles 1 1/2 mi e, in sandy wash of Aliso Creek canyon, n slope of San Gabriel Mts. junction of Aliso Creek wash and Santa Clara River; San Gabriel Mts., Angeles National Forest 853 Comment
  POM279945  Eriogonum cinereum H. P. Bracelin 1931-10-11 570 Los Angeles Lower topanga Canyon, about one and one-half miles east of ocean beach. Comment
  UCR17823  Eriogonum cinereum A. C. Sanders 1976-3-10 550 Los Angeles Southern coast, Palos Verdes Peninsula Comment
  RSA0019776  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 2011-6-29 5758 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  RSA597274  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1990-6-18 3513 Los Angeles San Gabriel Mountains, Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  CAS-BOT-BC242564  Eriogonum crocatum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  CDA22584  Eriogonum fasciculatum Phillipson 1915-8-2 Los Angeles Monrovia Comment
  RSA393514  Eriogonum fasciculatum T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  RSA393515  Eriogonum fasciculatum John P. Hill 1929-3-10 s.n. Los Angeles Hollywood Hills. Comment
  RSA654409  Eriogonum fasciculatum Matt Brooks 1988-4-15 6 Los Angeles Whittier, Turnbull Canyon Rd. 1.5 miles east of its intersection with Beverly Blvd. Comment
  RSA393406  Eriogonum fasciculatum var. foliolosum M. Bisbee 1917-5-18 72 Los Angeles Hills, north of Eagle Rock Valley Comment
  UCR38922  Eriogonum fasciculatum var. foliolosum B. A. Prigge 1985-6-14 6398 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  CAS-BOT-BC250104  Eriogonum fasciculatum var. polifolium W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts Comment
  RSA607920  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1961-6-13 7872 Los Angeles San Gabriel Mountains: Pacoima Canyon at Bad Canyon 1098 Comment
  UCSB1537  Eriogonum giganteum Pyeatt, Lyle 1957-6-13 Los Angeles 1 mile S. of Avalon; Catalina Island Comment
  RSA393373  Eriogonum giganteum var. giganteum Ruth E. Eaton 1956-7-15 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC253457  Eriogonum gracile A. J. McC 1893-7-3 148 Los Angeles Near Redondo Comment
  SBBG62131  Eriogonum gracillimum R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  CAS-BOT-BC268786  Eriogonum mohavense Katharine Brandegee No date on label s.n. Los Angeles Lancaster Comment
  POM2225  Eriogonum mohavense Marjorie Shaw, Edna Spaudling, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA729511  Eriogonum nudum R. G. Swinney 1999-7-5 7539 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  CAS-BOT-BC269773  Eriogonum nudum var. pauciflorum James L. Reveal; Barbara J. Ertter 1976-6-28 4557 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 1.1 mile northwest of Mill Creek Summit 1615 Comment
  CAS-BOT-BC257759  Eriogonum parvifolium Henry J. Thompson 1958-10-23 1815 Los Angeles Santa Monica Mountains. Point Dume 30 Comment
  POM211794  Eriogonum parvifolium var. parvifolium Louis C. Wheeler 1933-9-2 2093 Los Angeles Santa Monica. 5 Comment
  RSA608460  Eriogonum pusillum Louis C. Wheeler 1946-8-29 6321 Los Angeles North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2561 Comment
  SDSU6730  Eriogonum roseum D. F. Howe 1978-8-3 4910 Los Angeles Intersection of Kanan Road & Mulholland Hwy, Santa Monica Mtns. 549 Comment
  RSA424911A  Eriogonum saxatile L. E. Hoffman 1932-8-14 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Islip 1982 Comment
  RSA65954  Eriogonum umbellatum var. canifolium F. W. Peirson 1929-7-1 8446 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  CAS-BOT-BC268165  Eriogonum umbellatum var. minus Peter Kamb 1947-6-30 612 Los Angeles Summit of Mt Islip, San Gabriel Mts 2499 Comment
  RSA760601  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-8-13 9401 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  UCR276758  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2011-10-13 15790 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  RSA188494  Eriogonum wrightii var. subscaposum Robert F. Thorne, John Olmsted 1965-8-26 35364 Los Angeles San Gabriel Mountains, Angeles National Forest: along Blue Ridge near upper end of Holiday Hill Ski Lift 2470 Comment
  RSA330776  Eriogonum wrightii var. subscaposum Wayne E. Sawyer 1981-7-24 109 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail, 0.7 mile west of Mt. Hawkins 2530 Comment
  CAS-BOT-BC297919  Eriophyllum confertiflorum Alice Eastwood 1928-6-15 15394 Los Angeles Claremont Comment
  CAS-BOT-BC297957  Eriophyllum confertiflorum Edith A. Purer 1935-5-11 6546 Los Angeles Malibu Lodge Rd, Santa Monica Mts Comment
  RSA151005  Eriophyllum confertiflorum Peter H. Raven 1962-5-9 17669 Los Angeles Near head of canyon at S end of Mosquito Cove, San Clemente Island 290 Comment
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Dec 15 2010
  RSA659362  Eriophyllum confertiflorum Ely Aguilar 1998-5-8 26 Los Angeles 0.5 miles from locked Pt. Mugu State Park entrance on the Newberry Park side 91 Comment
  RSA771641  Eriophyllum confertiflorum R. G. Swinney 2009-6-2 10989 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UC1587168  Eriophyllum confertiflorum var. confertiflorum Tim Ross 1991-5-21 5422 Los Angeles upper reaches of Box Canyon (sw side of island); San Clemente Island, Box Canyon 365 Comment
  RSA92659  Eriophyllum confertiflorum var. confertiflorum Joseph A. Ewan 1936-8-9 10027 Los Angeles 1/2 mi. N of Bald Flat on Blue Ridge, San Gabriel Mountains. 2530 Comment
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Dec 18 2014
  SD37563  Eriophyllum confertiflorum var. trifidum Edith A. Purer 1935-5-11 6546 Los Angeles Hillside, Malibou Lodge Road, Santa Monica Mountains. Comment
  RSA585351  Eriophyllum pringlei Timothy S. Ross 1991-4-27 4626 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  UC1563112  Eriophyllum pringlei Steve Boyd and Orlando Mistretta 1986-3-31 1537 B Los Angeles 4 mi e jct w/Hwy 18 Highway 138 (ne of Pinyon Hills); Mojave Desert Comment
  JEPS5376  Eriophyllum wallacei F. W. Peirson 1919-3-30 346 Los Angeles Big Tujunga Canyon San Gabriel Mts., Big Tujunga Canyon 426 Comment
  UCD132244  Eriophyllum wallacei Daryl Koutnik; Vickie Dawes 1978-4-6 264 Los Angeles south of Palmdale on State Hwy 138 to Little Rock. 816 Comment
  RSA0113439  Erodium botrys Steven A. Junak 1999-5-21 SCa- 965 Los Angeles Santa Catalina Island. At ridge just E of KBRT Radio Station, along S side of Airport Road, plant stop, on E side of KBRT Valley. Next to road. 445 Comment
  RSA250657  Erodium brachycarpum Robert F. Thorne 1971-3-31 41452 Los Angeles Johnson s Pastures, N of Mountain Ave., Claremont. 549 Comment
  UCD103226  Erodium cicutarium Robert F. Thorne; P. C. Everett 1964-2-7 33459 Los Angeles At lower end of Pebbly Beach Canyon, near road, E end of Santa Catalina Island. 76 Comment
  UCR187017  Erodium cicutarium A. C. Sanders 2006-4-25 32164 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR190902  Erodium cicutarium R. G. Swinney 1998-7-2 6230 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR210450  Erodium cicutarium R. G. Swinney 2008-11-30 9875 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  UCR95470  Erodium cicutarium L. C. Wheeler 1967-3-3 9170 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  UCD103161  Erodium cicutarium Gerald Dickinson 1962-4-3 7 Los Angeles Pierce College, Woodland Hills. 243 Comment
  UCD103173  Erodium cicutarium Elise Jackson 1993-5-6 24 Los Angeles Eddleston Park, Reseda Blvd. at Calle Vista Circle. Comment
  RSA647952  Erodium moschatum Diane Elliott 1985-4-19 9 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  CSUSB514  Erysimum capitatum K. T. Ingram 1976-5-16 S. N. Los Angeles Angeles National Forest On Big Pine Highway, 1.9 miles from Angeles Crest Highway Comment
  JEPS53546  Erysimum capitatum var. capitatum W. L. Jepson 1935-4-17 17036 Los Angeles mesa flats west Mohave Desert, Lancaster 716 Comment
  POM307852  Erysimum capitatum var. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2722 Los Angeles North Craig Ave., Altadena Comment
  RSA279119  Erysimum capitatum var. capitatum R. F. Thorne 1971-3-18 41492 Los Angeles Cobal Canyon, 3 miles N of Claremont 502 Comment
  RSA530292  Erysimum capitatum var. capitatum B. C. Templeton 1932-5-31 4842 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  UCR149330  Eschscholzia R. G. Swinney 1998-4-14 5993 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  CAS-BOT-BC154057  Eschscholzia californica A. C. Sanders; Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  POM243805  Eschscholzia californica F. R. Fosberg 1931-4-1 4438 Los Angeles Santa Catalina Island: Hamilton Canyon near Avalon 75 Comment
  UCSB2160  Eschscholzia californica Ballard 1954-4-1 Los Angeles Pomona College Campus, Claremont 259 Comment
  POM243804  Eschscholzia californica F. R. Fosberg 1931-5-21 4954 Los Angeles Between Howlands Landing and Johnsons Landing 10 Comment
  RSA136849  Eschscholzia californica var. crocea Percy C. Everett, E. K. Balls 1960-5-30 24166 Los Angeles 2.2 miles N from entrance to Angeles National Forest, San Gabriel Canyon 366 Comment
  SD60406  Eschscholzia californica var. peninsularis Peter H. Raven 1962-5-22 17834 Los Angeles Santa Catalina Island; first canyon west of Lions Head Point. 52 Comment
  CATA505  Eschscholzia ramosa Sara L. Crockett 1997-4-2 649 Los Angeles Santa Catalina Island: Point above Empire Landing Quarry site, 0.25 mile N of Empire Landing Road, from point 2.4 miles from jct. with Airport Road 240 Comment
  SBBG20739  Eschscholzia ramosa E. R. Blakley 1963-12-8 6409 Los Angeles between Northwest Harbor and Whale Pt 7 Comment
  SD27740  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3448 Los Angeles Santa Catalina Island; Pebbly Beach. 7 Comment
  RSA0010849  Eucalyptus camaldulensis Tim S. Ross 1993-4-23 6926 Los Angeles Santa Catalina Island. SW part of the island in Middle Canyon, along Middle Canyon Road where it crosses over a northerly tributary 235 m NW of Thompson Dam. 181 Comment
  RSA0012828  Eucalyptus rudis Scott D. White 1997-5-7 5059 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains. Southwest of I-210 Freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  SD253468  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-7 12577 Los Angeles San Gabriel Mountains: Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy (Sunland 7.5'Q) 494 Comment
  UCR131818  Eucrypta chrysanthemifolia Jeremiah George 2001-4-24 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM49293  Eucrypta chrysanthemifolia L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island. Rock Spring canyon. Comment
  CHSC95364  Eucrypta chrysanthemifolia var. chrysanthemifolia Laura Moore; Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 43 Los Angeles Los Angeles Basin: Verdugo Mountains ; La Tuna Canyon Park: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 586 Comment
  SEINET3165292  Euphorbia maculata G. B. Grant 1904-9-2 427 Los Angeles Pasadena, southern CA Comment
  UCR216896  Euphorbia melanadenia R. G. Swinney 2009-3-11 10088 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR219565  Euphorbia peplus R. G. Swinney 2009-3-28 10206 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCR219341  Euphorbia serpens Lorraine Weller 2009-7-7 070709- 08 Los Angeles Los Angeles, Stanford-Avalon Community Gardens, 658 East 111th Place 34 Comment
  RSA611627  Euphorbia spathulata Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10109 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  UCR99474  Euphorbia spathulata Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9479 Los Angeles San Gabriel Mtns., Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 915 Comment
  SBBG96847  Extriplex californica S. Boyd 1990-4-7 4213 Los Angeles lower half of China Cyn Comment
  SBBG131805  Extriplex californica S. A. Junak, B. Collins 1991-4-24 SCI 190 Los Angeles dune area, just N of Eel Cove Cyn, E side of dunes 42 Comment
  RSA608755  Feijoa sellowiana Louis C. Wheeler 1963-10-10 8404 Los Angeles Los Angeles: Kerckhoff Estate, 734 W. Adams Blvd. Comment
  SBBG17765  Festuca microstachys P. H. Raven 1962-5-9 17672 Los Angeles head of gully, cyn at S end of Mosquito Cove 320 Comment
  RSA0115444  Festuca myuros R. G. Swinney 2010-6-1 13168 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CAS-BOT-BC500448  Ficus microcarpa R. E. Riefner, Jr. 2015-8-2 15 -214 Los Angeles City of Alhambra, N side of 110 Fwy on E side of Garfield St. 129 Comment
  UCR259949  Filago californica R. G. Swinney 2010-4-28 12436 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0096639  Filago gallica Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 625 Los Angeles Santa Catalina Island, ca. 0.85 air miles NW of East Peak. Along road to East Peak, just SW of Peak 1245. 347 Comment
  CAS-BOT-BC384177  Forestiera pubescens subsp. parvifolia Le Roy Abrams; E. A. McGregor 1908-7-2 566 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  CAS-BOT-BC52547  Frangula californica subsp. californica H. E. McMinn 1924-8-4 1222 Los Angeles Huntington Drive near Pasadena Comment
  UCR272351  Frangula californica subsp. californica R. G. Swinney 2011-3-15 14094 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  CAS-BOT-BC223754  Frankenia salina J. Ewan 1931-7-31 4769 Los Angeles Telegraph Road near Santa Fe R.R. Crossing Comment
  UC450808  Fraxinus velutina Fay A. MacFadden 1931-3-15 3 E Los Angeles Tuna Canyon Verdugo Hills Comment
  CAS-BOT-BC212392  Fremontodendron californicum Joseph Andorfer Ewan 1936-7-29 9853 Los Angeles West slope Table Mt., Southwest Valley, San Gabriel Mts. 2133 Comment
  SEINET5510193 Image available Fremontodendron californicum Victor Duran 1933-1 3510 a Los Angeles Sulphur Springs; San Gabriel Mountains 1600 Comment
  RSA588163  Fremontodendron californicum subsp. californicum Orlando Mistretta 1994-5-23 1251 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  RSA367730  Fritillaria biflora T. S. Clare 1929-4-7 s.n. Los Angeles Hollywood Country Club. Comment
  RSA773511  Fumaria capreolata Fred M. Roberts, Ian Cain 2010-5-3 7297 Los Angeles Los Angeles Basin Region: Whittier Narrows Dam Recreation Area, Hondo Crek, ca. 0.8 km WSW western shore of Legg Lake and about 0.5 km upstream from San Gabriel Blvd. bridge 61 Comment
  POM266306  Galinsoga parviflora J. C. Roos 1939-6-21 919 Los Angeles Irrigated field, Pasadena Comment
  RSA756896  Galium angustifolium Orlando Mistretta, Christine Mistretta 2008-4-7 2350 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  LA208352  Galium angustifolium John Thomas Howell; M. Hilend Hilend 1930-5-11 Los Angeles San Gabriel Mountains, Pacoima Dam Comment
  RSA602320  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-6-17 9940 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  POM367698  Galium angustifolium subsp. angustifolium M. Bisbee 1917-5-24 s.n. Los Angeles n. hill sides, n. Eagle Rock Comment
  POM8698  Galium angustifolium subsp. angustifolium Philip A. Munz, R. D. Harwood 1920-3-13 3302 Los Angeles San Jose Hills 1 mi. s. of San Dimas. 305 Comment
  RSA529208  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5608 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1893 Comment
  RSA592014  Galium angustifolium subsp. foliosum Mark Hoefs, D. Propst 1973-4-6 142 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 305 Comment
  CAS-BOT-BC223043  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-7-28 1591 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 1752 Comment
  RSA0089852  Galium angustifolium var. angustifolium Dean Wm. Taylor 2003-5-29 18605 Los Angeles San Gabriel Mountains, Cold Springs Canyon, along Angeles National Forest Road 1N29 (Silver Fish Road) 1.3 miles E of the junction, Road 1N36. 868 Comment
  CATA597  Galium aparine Mark L. Hoefs 1991-4-7 1042 Los Angeles Santa Catalina Island: Upper Avalon Canyon, above Wrigley Memorial and Garden, near road to Divide 326 Comment
  RSA191014  Galium aparine James Henrickson 1963-5-5 32317 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  RSA533991  Galium catalinense subsp. acrispum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5116 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and1350 ft. NW of the mouth of Larkspur Canyon 145 Comment
  POM11689  Galium catalinense subsp. catalinense F. M. Reed 1909-7-2 2801 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  RSA678131  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1299 -b Los Angeles Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road (FS Road 1N29), ca. 1.54 miles east of junction with Van Tassel Truck Trail (FS Road 1N36). 854 Comment
  SBBG119257  Galium grande V. Soza with K. Hughes 1999-7-1 605 Los Angeles Van Tassel Ridge, off Van Tassel Ridge Rd, vicinity of Mt Bliss; T1N R10W N/2, SE/4 S8 1036 Comment
  SD219106  Galium grande Orlando Mistretta, Christine Mistretta 2008-5-20 3170 Los Angeles San Gabriel Mountains region: Southern California Edison transmission line corridor, Fish Canyon drainage; Van Tassel Motorway just south of junction with Monrovia Canyon Truck Trail. 986 Comment
  UC2030053  Galium grande V. Soza, Samantha Tessel 2001-6-18 1282 Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.3 mile from trailhead out of Chantry Flat area. Comment
  RSA0051343  Galium johnstonii Valerie Soza 2004-6-17 1722 b Los Angeles San Gabriel Mountains, ca. 1 mile east of Three Points, south side of Hwy 2. 1847 Comment
  UC1584897  Galium johnstonii Tim Ross and Steve Boyd 1991-7-24 5607 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' quad, Granite Mountain vicinity 1941 Comment
  RSA488011  Galium nuttallii subsp. insulare Mark Hoefs, D. Propst 1973-3-3 18 Los Angeles Santa Catalina Island. Near upper White's Landing Road. 381 Comment
  SD84897  Galium nuttallii subsp. insulare Reid Moran, 23 Feb 1941 1941-2-23 606 Los Angeles Santa Catalina Island: South of Johnson's Valley. On grassy hillsdide. 199 Comment
  SEINET13387031 Image available Galium porrigens R. G. Swinney 2011-1 15734 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
  SEINET3200281  Galium porrigens G. Rink 2011-6-1 10580 Los Angeles Chino Hills, northeast of La Brea, weedy place. 260 Comment
  UCR271595  Galium porrigens R. G. Swinney 2011-5-19 14781 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  CAS-BOT-BC303358  Gamochaeta pensylvanica Joseph Andorfer Ewan 1937-8-23 11060 Los Angeles Cauby home, San Fernando City Comment
  LA205403  Garrya flavescens J. Sauer; R. Gibson 1971-5-1 4880 Los Angeles Piru Creek, Bailey Flats, site of the future Pyramid Reservoir Comment
  CDA38576  Garrya flavescens R. F. Thorne, A. Takhtajan 1967-11-3 41873 Los Angeles San Gabriel Mountains; San Gabriel Mountains: San Antonio Canyon. 0 Comment
  CAS-BOT-BC159273  Garrya veatchii Ruth Ashton 1917-1-1 1949 Los Angeles Cajon Pass Comment
  LA44540  Garrya veatchii W. O. Griesel; 1937-12-23 sn Los Angeles Santa Monica Mountains, Las Virgenes Canyon Comment
  UC1122724  Garrya veatchii P. L. Johannsen 1934-1-30 258 Los Angeles 2-3 mi nw Saddle Peak; Calabasas Quad. 304 Comment
  RSA0060876  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2010-10-13 14040 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  SBBG61274  Gayophytum diffusum subsp. parviflorum R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  SBBG61275  Gayophytum diffusum subsp. parviflorum R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk 1280 Comment
  RSA771611  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42202 Los Angeles Angeles National Forest; Along Angeles Crest Hwy near Three Points. 1829 Comment
  UCR271736  Genista monspessulana R. G. Swinney 2011-3-26 14235 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA0028460  Geranium dissectum A. C. Sanders, T. B. Salvato 2009-5-21 36902 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines. 64 Comment
  RSA771835  Gilia R. G. Swinney 2009-5-28 10920 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
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Dec 7 2018
  RSA0110560  Gilia Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 559 Los Angeles Santa Catalina Island: Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 304 Comment
  RSA470078  Gilia achilleifolia subsp. achilleifolia L. C. Wheeler 1932-4-30 696 Los Angeles San Gabriel Mountains, 1/4 mile W of Thompson Creek Dam. 503 Comment
  RSA470107  Gilia angelensis E. S. Spalding 1925-4-29 s.n. Los Angeles Waste lot, Glendale Comment
  RSA756120  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2008-4-30 2574 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  UCR220217  Gilia cana R. G. Swinney 2009-4-2 10270 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  CHSC34461  Gilia capitata Helen Spaulding 1968-5-13 56 Los Angeles N. City of Pasadena, 1 mi. SW. of Rose Bowl on Arroyo Dr. 304 Comment
  RSA0116830  Gilia capitata R. G. Swinney 2010-8-11 13491 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA660776  Gilia capitata subsp. abrotanifolia Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 41 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 546 Comment
  CAS-BOT-BC226323  Gilia latiflora subsp. davyi Paul F. Covel 1937-4-20 931 Los Angeles Antelope Valley Comment
  RSA611840  Gilia latiflora subsp. davyi Steve Boyd, Valerie Soza 1998-4-28 10172 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA17127  Gilia latiflora subsp. davyi Theodore Payne 1936-5-19 s.n. Los Angeles 2 miles north junction of Neenach road and Old Ridge Route rd. Comment
  RSA334179  Gilia leptantha subsp. transversa R. F. Thorne 1969-7-2 38288 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UCR256536  Gilia leptantha subsp. transversa Anuja Parikh, Nathan Gale 2011-6-22 3497 Los Angeles Transverse Range: San Gabriel Mountains, northwest of Iron Mountain, 1.5 km east of Angeles Forest Hwy, 0.9 km south of Monte Cristo Creek 1370 Comment
  CATA367  Gilia nevinii Mark L. Hoefs 1974-3-28 416 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, southeast exposure 335 Comment
  RSA0017118  Gilia ochroleuca subsp. bizonata R. G. Swinney 1999-6-5 7264 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat 1799 Comment
  CAS-BOT-BC303659  Glebionis coronaria Austin Griffiths 1967-5-24 5276 Los Angeles Pacific Beach Comment
  UCR159702  Gnaphalium beneolens Orlando Mistretta 1992-9-14 804 Los Angeles Transverse Ranges, San Gabriel Mtns: North Fork Saddle. North Fork Management Unit, Tujunga Ranger District Comment
  RSA198823  Gnaphalium californicum R. F. Thorne 1968-5-27 37631 Los Angeles Santa Catalina Island: lower end of Middle Ranch Canyon, perhaps, 0.5 mile above Ben Weston Beach Comment
  RSA004471  Gnaphalium californicum Fay A. MacFadden 1931-4-17 2967 Los Angeles Tuna Canyon, Verdugo Hills. Comment
  LA47059  Gnaphalium palustre Henry J. Thompson; 1959-5-24 2022 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  SBBG131528  Gnaphalium palustre S. A. Junak 1999-7-17 SCa 1065 Los Angeles NW side of Patrick Reservoir 411 Comment
  RSA91695  Gnaphalium palustre F. W. Peirson 1315 Los Angeles Sink at Inglewood. Comment
  RSA640929  Gnaphalium stramineum L. C. Wheeler 1967-8-9 10411 Los Angeles San Gabriel Mountains: Headwaters of Devil's Canyon on S side Mt. Waterman. 2195 Comment
  CAS-BOT-BC108965  Goodmania luteola C. G. Pringle 1882-5-24 s.n. Los Angeles Mojave Station. Lancaster Station. Comment
  RSA69948  Grayia spinosa F. W. Peirson 1917-5-13 1832 Los Angeles Roadside near village of Little Rock, north side of San Gabriel Mountains. Comment
  SD31172  Grindelia camporum Edith A. Purer 1931-3-12 987 Los Angeles Palos Verdes Hills. Comment
  CAS-BOT-BC305252  Grindelia hirsutula Delzie Demaree 1933-5-30 10371 Los Angeles S.W. Los Angles [Angeles] by Goodman Airport Comment
  SEINET3929519  Gutierrezia californica David Keil 1986-9-27 19734 -2 Los Angeles Along I-5, just S of Hungry Valley Rd exit.; 0 914 Comment
  RSA649694  Haplopappus linearifolius Michael Horn 1991-4-30 14 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  IRVC28719  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  SEINET12621370  Harpagonella palmeri G. B. Grant 1904-1 540 Los Angeles Santa Catalina Island. Comment
  SFV7107  Hazardia squarrosa var. grindelioides K. A. Wilson 1974-8-21 1433 B Los Angeles Santa Monica Mountains 0.3 miles west of Las Virgenes Road. Roadside bank. 185 Comment
  RSA640036  Hedypnois cretica Steven A. Junak 1996-5-16 470 Los Angeles San Clemente Island: S end of island, just W of intersection of San Clemente Ridge road and road to Observation Post # (Building #6090). N side of cement helicopterpad, near plants, disturbed flats. 98 Comment
  RSA646977  Hedypnois cretica LeRoy Gross 2000-4-22 170 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 518 Comment
  RSA733776  Helenium bigelovii R. G. Swinney 1998-7-29 6537 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  UCR276992  Helenium bigelovii R. G. Swinney 2010-9-30 13917 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
  RSA0116281  Helianthemum scoparium R. G. Swinney 2010-8-23 13574 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA3608  Helianthemum scoparium var. vulgare C. B. Wolf 1932-5-13 3625 Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus. 365 Comment
  CAS-BOT-BC305418  Helianthus annuus Le Roy Abrams; E. A. McGregor 1908-7-5 682 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  POM4952  Helianthus annuus subsp. lenticularis O. W. Robinson 1916-3-25 25 Los Angeles Claremont, wash near Gymnasium Comment
  UCR99517  Helianthus californicus Steve Boyd, L. Raz 1996-10-14 9047 Los Angeles San Gabriel Mtns., Agua Dulce Canyon, just north of Hwy 14 and the confluence with Escondido Cyn, along Agua Dulce Cyn Rd. 671 Comment
  CAS-BOT-BC305689  Helianthus gracilentus Le Roy Abrams; E. A. McGregor 1908-6-19 331 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC305698  Helianthus gracilentus Ralph Hoffmann 1930-6-6 s.n. Los Angeles Alamo Creek, northern Los Angeles Co. Comment
  CAS-BOT-BC305726  Helianthus gracilentus C. F. B. 1904-5-1 4719 Los Angeles Claremont Comment
  POM175351  Helianthus gracilentus E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  UC88919  Helianthus gracilentus T. S. Brandegee 1898-8-1 Los Angeles Palomar Comment
  UC55062  Helianthus nuttallii subsp. parishii E. Braunton 1902-9-1 698 Los Angeles Los Angeles Comment
  JEPS67990  Heliotropium curassavicum Elizabeth Day Palmer 1908-7-16 Los Angeles Los Angeles 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
  RSA596191  Heliotropium curassavicum var. oculatum Lauren Raz, Steve Boyd 1996-10-23 24 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  RSA292471  Hemizonia australis James Henrickson 1973-6-15 10706 Los Angeles City of Long Beach; below the State University near Pacific Coast Highway 3 Comment
  RSA155852  Hemizonia clementina Peter H. Raven 1962-5-22 17836 Los Angeles Santa Catalina Island at the Isthmus. Comment
  RSA54175  Hemizonia clementina C. B. Wolf 1932-5-9 3435 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  POM360257  Hemizonia fasciculata George R. Johnstone 1934-5-20 18974 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  RSA713814  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  SEINET5782063 Image available Hemizonia fasciculata M. F. Wheeler 1938-7-2 Los Angeles at mouth of San Dunas Canyon (E approach), San Gabriel Mts Comment
  UCR142552  Hesperocnide tenella L. C. Wheeler 1932-5-4 684 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  CAS-BOT-BC135945  Hesperoyucca whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  LA1428  Hesperoyucca whipplei Bruce Douglas Clayton; Greg Shaw 1972-3-30 28 Los Angeles SANTA MONICA MOUNTAINS, Mountain Park Research Campus, N end of Drawbridge firebreak. 618 Comment
  RSA454325  Heteromeles arbutifolia Unspecified 1939-2-18 421 Los Angeles San Clemente Island. Comment
  SBBG96052  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles Mosquito summit Comment
  UC860424  Heteromeles arbutifolia Ezra C. Knopf 314 Los Angeles Santa Catalina Island Comment
  UCR256839  Heteromeles arbutifolia R. G. Swinney 2010-8-16 13560 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR198396  Heterotheca grandiflora Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 677 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  RSA0074401  Heterotheca grandiflora Timothy S. Ross, Annette Ross 1991-9-7 5962 Los Angeles Santa Monica Mtns: near Mulholland Highway x Yerba Buena Road. 375 Comment
  RSA0066370  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles San Antonio Mountains, Baldy Summit. 3049 Comment
  UCR70857  Heuchera elegans F. Grennell 1911-1 s.n. Los Angeles San Gabriel Mtns, High mountains (Mt. Wilson) 1795 Comment
  UCD115134  Hirschfeldia incana P. B. Kennedy 1918-8-1 B Los Angeles Around High School. Comment
  UCD115135  Hirschfeldia incana Daryl Koutnik 1978-3-27 167 Los Angeles Johnson's Pasture. At north end of Mountain Ave, Claremont. 579 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
  UCR174489  Hordeum brachyantherum subsp. brachyantherum Anuja Parikh, Nathan Gale 2005-4-23 2105 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  SBBG113058  Hordeum intercedens S. A. Junak 1998-5-1 SCa 596 Los Angeles small rise just NE of Airport Rd, just S of ridge with Whitney's Pk 426 Comment
  SBBG131486  Hordeum intercedens S. A. Junak 1996-4-15 SCI 342 Los Angeles just W of Horse Beach, along old roadcuts 18 Comment
  UCD85887  Hordeum marinum subsp. gussoneanum Peter H. Raven; Robert F. Thorne 1964-5-7 19031 Los Angeles Santa Monica Mountains. Saddle Rock Ranch, near Seminole Hot Springs. Comment
  RSA0112060  Hordeum marinum subsp. gussoneanum Steven A. Junak 2000-5-5 SCa- 1260 Los Angeles Santa Catalina Island. Ca. 1.5 mi. NNW of beach at Little Harbor campground (air miles). 198 Comment
  RSA724993  Hordeum murinum subsp. glaucum K. Dobry 1991-3-15 416 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA594742  Hordeum vulgare Timothy S. Ross 1995-4-7 8362 Los Angeles TEMPLIN HIGHWAY ca. 1800-1900 ft NE of its inter- section with the Old Ridge Route. 841 Comment
  IRVC26986  Hordeum vulgare A. C. Sanders, Andy Thompson 2003-4-17 26077 Los Angeles Newhall Ranch, NW of Magic Mountain amusement park, between M.M. and The Old Road, north of M.M. Parkway NE end of Santa Susana Mtns. 351 Comment
  RSA127852  Horkelia cuneata subsp. cuneata Peter H. Raven 1959-4-18 13998 Los Angeles Santa Monica Mountains, Point Dume, sandy field behind point. 24 Comment
  POM296500A  Horkelia cuneata subsp. puberula Lyman D. Benson 1945-3-16 11608 Los Angeles Claremont, Pacific slope drainage area. 351 Comment
  RSA18523  Horkelia cuneata subsp. puberula Carl B. Wolf 1927-7-24 675 Los Angeles 1/2 mile east of Montrose Comment
  RSA85202  Horkelia cuneata subsp. puberula F. W. Peirson 1919-4-5 362 Los Angeles Allen Ranch near Eaton Canyon, south base of the San Gabriel Mountains Comment
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Sep 10 2014
  CAS-BOT-BC537284  Horkelia cuneata var. cuneata Le Roy Abrams 1901-4-1 1237 Los Angeles near Ballena Harbor Comment
  CAS-BOT-BC532289  Horkelia cuneata var. puberula Le Roy Abrams 1901-4-7 1423 Los Angeles Devil's Gate, near Pasadena Comment
  CAS-BOT-BC532298  Horkelia cuneata var. puberula C. F. Baker 1904-4-20 4760 Los Angeles Pacific Coast, Claremont Comment
  LA47890  Hosackia crassifolia var. crassifolia Victor Duran; 1933-7-8 3504 Los Angeles San Gabriel Mountains, Horse Flats 1676 Comment
  CAS-BOT-BC312624  Hulsea vestita subsp. vestita A. D. E. Elmer 1902-6-1 3700 Los Angeles Acton, Mt. Gleason Comment
  CDA1450  Hydrilla verticillata Aurelio Posadas, R. C. Wightman 1980-10-6 Los Angeles Lily pond at north entrance to the Los Angeles County Museum of Natural History, 900 Exposition Blvd., Los Angeles 0 Comment
  RSA639175  Hypochaeris glabra L. C. Wheeler 1967-7-6 9932 Los Angeles San Gabriel Mountains: San Dimas Canyon. 441 Comment
  POM246629  Isocoma menziesii var. sedoides F. R. Fosberg 1931-4-29 4707 Los Angeles Santa Catalina Island. Mouth of Cottonwood Canyon. 3 Comment
  JEPS19118  Isocoma menziesii var. vernonioides Elizabeth Day Palmer 1908-8-11 Los Angeles Los Angeles Comment
  LA200217  Isocoma menziesii var. vernonioides Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4610 Los Angeles Santa Monica Mountains, Sequit Point 15 Comment
  POM13556  Isocoma menziesii var. vernonioides P. A. Munz 1922-11-20 6567 Los Angeles 2 miles SE of Covina. 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
  RSA509586  Iva axillaris L. C. Wheeler 1967-7-23 10162 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  CATA358  Jaumea carnosa Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1973-9-8 405 Los Angeles Santa Catalina Island: Inside Ballast Point on the east side of Catalina Harbor 0 Comment
  UC729499  Jaumea carnosa Carl B. Wolf 1932-9-16 4099 Los Angeles 100-150 ft w State Highway (at extreme se corner of Pacific Western Oil. Co. lease); Bryant Ranch 1 Comment
  CAS-BOT-BC340172  Jaumea carnosa Carl B. Wolf 1932-9-16 4115 Los Angeles Bryant Ranch. W. side of San Gabriel Flood Control, about 1400 ft. south of 7th St., east of Long Beach 3 Comment
  RSA468184  Jepsonia malvifolia M. B. Dunkle 1939-4-4 7258 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA468185  Jepsonia malvifolia M. B. Dunkle 1939-11-24 7356 Los Angeles Canyon head, Mosquito summit, San Clemente Island. Comment
  RSA747223  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles Glendora, Wildwood Canyon. 329 Comment
  UCR124387  Juglans californica I. W. Clokey, B. C. Templeton 1929-1 4585 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR261129  Juglans californica R. G. Swinney 2010-6-21 13294 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR51905  Juglans californica Adelina Munoz 1988-5-14 122 Los Angeles San Gabriel Mtns, San Dimas: Sycamore Canyon behind San Dimas Canyon Park 305 Comment
  RSA754209  Juglans californica var. californica Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1788 Los Angeles San Gabriel River Watershed; along San Dimas Canyon Road below dam on east side of road in draw 449 Comment
  CAS-BOT-BC110042  Juncus acutus Carl B. Wolf 1932-5-12 3586 Los Angeles Santa Catalina Island. 0.75 mile from Little Harbor on road to Isthmus. 30 Comment
  SBBG27802  Juncus acutus M. R. Benedict 1965-12-7 Los Angeles 0.25 mi inland from Parson's Landing on rd to Johnson's Landing 22 Comment
  CATA809  Juncus acutus subsp. leopoldii Mark L. Hoefs, Robert Given 1991-6-12 1381 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  RSA777876  Juncus balticus R. G. Swinney 2009-6-8 11100 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR203241  Juncus balticus R. G. Swinney 2005-7-11 8304 Los Angeles San Gabriel Mountains, Juniper Hills, Pallet Creek 0.4 mile south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  RSA747974  Juncus balticus subsp. ater R. G. Swinney 2003-7-11 8304 Los Angeles Juniper Hills, Pallet Creek 0.4 mi south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  UCR86838  Juncus bufonius Scott D. White 1995-4-27 2944 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
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Jun 28 2017
  CATA1327  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2428 Los Angeles Santa Catalina Island: Upper Buffalo Springs Reservoir 432 Comment
  RSA600730  Juncus covillei L. C. Wheeler 1954-9-1 7088 -A Los Angeles San Gabriel Mountains; Little Rock Creek at Buckhorn. 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
  UC142120  Juncus macrophyllus C. F. Baker 1903-9-20 3695 Los Angeles hills near Claremont Comment
  POM1605  Juncus rugulosus I. M. Johnston 1917-6-14 1341 Los Angeles West of Pomona. Comment
  UCR212778  Juncus rugulosus Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1795 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon, north of San Dimas Reservoir]. First road intersection beyond the ranger station, edge of San Dimas Creek along trail next to the gate 454 Comment
  UCR269135  Juncus rugulosus Orlando Mistretta, Christine Mistretta 2011-7-6 5902 Los Angeles San Gabriel Mountains, Fall Creek Canyon, tributary of North Fork Mill Creek, along Forest Road 3N27 1239 Comment
  UCD141895  Juncus textilis Louis C. Wheeler 1931-9-27 166 Los Angeles San Dimas Canyon, San Gabriel Mountains. 609 Comment
  CAS-BOT-BC81011  Juniperus californica S. Parnay Mar. 208 Los Angeles Near [Fernando] San Fernando Comment
  LA6561  Juniperus californica Carl Clawson Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  RSA401723A  Keckiella antirrhinoides L. E. Hoffman 1923-3-17 s.n. Los Angeles Temescal canyon. Comment
  POM4277  Keckiella breviflora var. breviflora L. R. Abrams, E. A. McGregor 1908-6-21 409 Los Angeles Between Oakgrove Ca - on and Elizabeth Lake. Liebre Mts. Comment
  UC457322  Keckiella cordifolia Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  SD253522  Keckiella ternata R. G. Swinney 2011-7-7 15427 Los Angeles San Gabriel Mountains: Colby Ranch, S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon. 1220 Comment
  CAS-BOT-BC246109  Keckiella ternata var. ternata A. D. E. Elmer 1902-6-1 3597 Los Angeles Acton Comment
  JEPS85628  Keckiella ternata var. ternata Frank W. Peirson 1918-8-6 263 Los Angeles Mt. Wilson; San Gabriel Mountains 1584 Comment
  RSA0042466  Kickxia elatine Naomi Fraga 2014-4-2 s.n. Los Angeles Rancho Santa Ana Botanic Garden near pond and cultivar garden. 396 Comment
  RSA0078563  Kopsiopsis strobilacea Louis C. Wheeler 1966-10-6 8961 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Williamson. 2499 Comment
  RSA585338  Krascheninnikovia lanata T. S. Ross 1991-4-27 4645 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  POM6211  Lactuca serriola D. L. Crawford 1915-7-15 s.n. Los Angeles Claremont. Comment
  RSA92185  Lagophylla ramosissima F. W. Peirson 1922-7-29 1359 Los Angeles grade SE of Quail Lake 1067 Comment
  RSA623828  Lamarckia aurea T. Gertrude Williamson 1935-4-10 1545 Los Angeles Claremont. Comment
  RSA651780  Lamarckia aurea Harold Lint, Dunn 1948-3-10 s.n. Los Angeles Bonita & Irwindale, Irwindale, Comment
  SEINET4670733  Lamarckia aurea G. Grant 1901 to 1905 665 Los Angeles Pacific Coast, Southern California, Pasadena Comment
  POM280182  Lampranthus roseus Arthur L. Cohen 1934-8-2 520 Los Angeles Ocean Park. Comment
  UCR205532  Lantana camara A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36972 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC338149  Lasthenia californica Marcus E. Jones 1882-5-2 3211 Los Angeles Pasadena Comment
  SEINET7062867  Lasthenia californica A. G. Vestal 1947-4-8 s.n. Los Angeles Along Aqua Dulce Canyon Road. (WGS84/NAD83). UTM Zone 11, 378612mE, 3818945mN. 791 Comment
  JEPS9911  Lasthenia coronaria Frank W. Peirson 1919-3-27 330 Los Angeles Arroyo Seco Canyon San Gabriel Mountains, Arroyo Seco Canyon 411 Comment
  LA203788  Lasthenia glabrata subsp. coulteri A. M. Johnson; 1933-5-17 4267 Los Angeles Del Rey, Los Angeles Comment
  RSA0008493  Lasthenia glabrata subsp. coulteri F. A. Warf 1934-3-18 12463 Los Angeles Culver City. Comment
  UC50365  Lasthenia glabrata subsp. coulteri H. M. Hall 1903-4-1 3736 Los Angeles Los Angeles Comment
  RSA608203  Lasthenia gracilis R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  SEINET5327272  Lathyrus laetiflorus I. W. Clokey, E. G. Anderson 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  RSA405669  Lathyrus vestitus subsp. laetiflorus Richard C. Barkelew 1929-4-7 15826 Los Angeles Cahuenga Pass Comment
  RSA133738  Lathyrus vestitus subsp. laetiflorus P. H. Raven 1959-5-3 14100 Los Angeles Mulholland Drive 1.0 mile west of Laurel Pass 366 Comment
  RSA1525  Lathyrus vestitus subsp. laetiflorus Carl Knopf, Johnson 1930-1-30 1454 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  POM199769  Lathyrus vestitus subsp. laevicarpus I. W. Clokey, B. C. Templeton 1929-03 4463 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  LA200456  Lathyrus vestitus var. vestitus B. R. Lowe; 1954-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, Camp Josepho. Comment
  RSA0064057  Lathyrus vestitus var. vestitus R. G. Swinney 2010-4-20 12305 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  UC570233  Lathyrus vestitus var. vestitus A. D. Gifford 1935-1-7 407 Los Angeles 6.5 mi se Whitaker Peak; Tejon Quad. 518 Comment
  SJSU2496  Layia glandulosa H. L. Buckalew 1962-4-18 Los Angeles between Vincent & Little Rock Comment
  POM362206  Layia hieracioides N. C. Cooper 1945-5-1 2200 Los Angeles Tapia Park area, Santa Monica Mountains 610 Comment
  CAS-BOT-BC380225  Layia platyglossa Le Roy Abrams; I. L. Wiggins 1931-7-6 376 Los Angeles San Clemente Island, vicinity of Mosquito Harbor Comment
  CHSC25055  Layia platyglossa L. M. Mayer; I. J. Mayer 1974-4-6 139 Los Angeles Fields at the intersection of La Tuna Canyon Rd. and Glenoaks Blvd. Comment
  SBBG80320  Layia platyglossa F. C. Boutin 1967-4-23 1670 Los Angeles Lemon Tank 304 Comment
  POM246579  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-6 4814 Los Angeles Santa Catalina Island. Cape Canyon, mouth. 200 Comment
  RSA68340  Lepidium lasiocarpum F. W. Peirson 1923-4-8 3448 Los Angeles Wilsons Cove, San Clemente Island. Comment
  RSA151243  Lepidium nitidum P. H. Raven 1962-4-9 17134 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA715423  Lepidospartum squamatum R. G. Swinney 1997-9-6 5865 Los Angeles Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi W of FS Rd. 75 meters S of only point where stream crosses road. 1585 Comment
  RSA754091  Lepidospartum squamatum Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1805 Los Angeles Lario San Gabriel River Trail Park. 180 Comment
  UCSB27668  Lepidospartum squamatum Lavinger, S. 1975-10-8 Los Angeles On Wentworth Street, 0.2 miles north from its junction with Stonehurst Avenue, San Fernando Valley 152 Comment
  RSA0105013  Leptosiphon ciliatus R. G. Swinney 2011-6-22 15268 Los Angeles San Gabriel Mountains: 1/4 mile east of Mt. Mooney, summit at jct. of FS Rd. 3N15 & FS Rd. 3N15A, 500 meters NW of Stony Ridge Observatory, 0.65 miles east of Angeles Crest Hwy. 1720 Comment
  RSA756274  Leptosiphon liniflorus Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3296 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  RSA608044  Leptosiphon liniflorus L. C. Wheeler 1947-6-13 6519 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon [Los Angeles/San Bernardino counties]. Comment
  LA81940  Leptosiphon parviflorus O. H. Kappler; 1941-5-9 261 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  SBBG15973  Leptosyne douglasii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  UCR51677  Lessingia filaginifolia Lyman Benson 1946-10-16 12212 Los Angeles San Gabriel Mtns., Along U.S. Hwy 99, valley just east of the second summit north of Castaic 457 Comment
  RSA747176  Lessingia glandulifera var. glandulifera Orlando Mistretta 1992-6-23 612 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  UCR70745  Lessingia glandulifera var. glandulifera Fay A. MacFadden 1931-7-8 3080 Los Angeles Pacoima Wash, San Fernando Valley 350 Comment
  POM361801  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1931-9-1 48 Los Angeles 2 miles north of Claremont 412 Comment
  POM800  Lewisia rediviva I. M. Johnston 1917-6-20 1493 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
  RSA191645  Limosella acaulis Robert F. Thorne, M. Z. Thorne 1966-8-29 36606 Los Angeles San Gabriel Mountains, Angeles National forest; Big Pines Recreation Area, on road from Big Pines to Valyermo 1860 Comment
  UCR204430  Linanthus androsaceus R. G. Swinney 2003-5-12 8196 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper 'Dunn Canyon' drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
  UCR177531  Linanthus bigelovii LeRoy Gross 2005-4-28 2114 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
  UCR189742  Linanthus breviculus R. G. Swinney 1998-7-10 6385 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR205860  Linanthus breviculus R. G. Swinney 2008-5-8 8800 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
  CAS-BOT-BC226764  Linanthus californicus Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  RSA468446  Linanthus californicus Robin S. Collins 1973-5-15 281 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  RSA468484  Linanthus californicus David Young 1969-3-15 P- 399 Los Angeles 3 mi. NW of Chasworth, California S. of Hwy 118 on Santa Susana Rd. 293 Comment
  RSA468485  Linanthus californicus Robert M. Perkins 1936-4-17 156 Los Angeles Santa Monica Mts. Along the road. Comment
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Oct 8 2015
  RSA482002  Linanthus californicus Richard Noyes 1988-5-12 563 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA652617  Linanthus californicus P. A. Hall 1948-4-17 1 Los Angeles Found about 3 1/2 miles from Glendora up the Glendora Mt. Road. 548 Comment
  RSA654208  Linanthus californicus Fred Brooks, P. Sobkowiak 1988-4-23 16 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  CHSC95412  Linanthus concinnus LeRoy Gross; Michael Denslow 2003-6-4 995 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2). Just off the trail to Throop Peak, a short distance from the highway. UTM Zone: 3802915N, 0426388E. 2439 Comment
  POM364574  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-4-7 4272 Los Angeles Los Padres Nat. Forset. 457 Comment
  POM364575  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1940-4-19 s.n. Los Angeles Malabu Coast. Along highway. Near sea level. Comment
  RSA213366  Linanthus dianthiflorus subsp. dianthiflorus Reid V. Moran 1941-3-9 690 Los Angeles Santa Catalina Island, Middle Ranch. 250 Comment
  RSA595338  Linanthus dichotomus subsp. dichotomus L. C. Wheeler 1967-5-8 9334 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA702374  Linanthus liniflorus Scott D. White, Pam De Vries 2004-5-18 10416 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  POM346556  Linanthus parryae Barry Burnell 1970-4-24 189 Los Angeles 3.2 miles south of Highway 138 on N4 1371 Comment
  UCR275014  Linanthus parryae Michael Honer, Rachel Woodard 2006-4-17 2193 Los Angeles Tehachapi Mountains area, Oso Canyon; c. 1 mile north of Quail Lake; 1 mile west of cement plant road 1067 Comment
  CHSC26208  Linanthus pungens Dick Potter 1967-7-22 62 Los Angeles Ca. 30 miles NE of La Canada off Hwy. 2 at top of Mt. Waterman ski lift in Angeles Nat'l Forest in San Gabriel Mtns. 2438 Comment
  POM121838  Lobelia cardinalis var. pseudosplendens Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  POM4568  Lobelia dunnii var. serrata M. Hitchcock 1918-7-28 35 Los Angeles Pacoima Canyon. Comment
  RSA439332  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1910-07 3661 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  RSA611027  Lobelia dunnii var. serrata L. C. Wheeler 1932-9-9 1361 Los Angeles San Antonio Canyon. 1067 Comment
  CAS-BOT-BC60187  Lobularia maritima John H. Thomas 1957-2-14 6483 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena. 304 Comment
  UCR270990  Lobularia maritima R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14333 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
  RSA656252  Lobularia maritima Peter Dedlow 1976-4-27 8 Los Angeles Verdugo Mountains: South side of house, 1540 Ridgeway Drive, Glendale. Comment
  RSA680342  Loeflingia squarrosa Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9604 Los Angeles Liebre Mountains: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  JEPS69139  Loeseliastrum matthewsii Frank W. Peirson 1921-5-19 952 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 1036 Comment
  RSA680165  Loeseliastrum matthewsii Scott D. White 2003-6-8 9519 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  UCR222756  Loeseliastrum matthewsii R. G. Swinney 2009-4-29 10561 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCSB31750  Loeseliastrum matthewsii Cummings, C. 1965-4-23 Los Angeles 23 mi. east of Palmdale 762 Comment
  UCSB34492  Loeseliastrum matthewsii Timbrook, Steven 1977-4-21 Los Angeles 3.1 miles west of 263rd Street East on California 18 Comment
  CAS-BOT-BC342110  Logfia arizonica Peter H. Raven; Henry J. Thompson 1959-5-5 14152 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). 4.1 miles north-west of Tapia Park on road to Malibu Lake 182 Comment
  CAS-BOT-BC342187  Logfia filaginoides Le Roy Abrams 1901-4-3 1257 Los Angeles Santa Monica Mts. 213 Comment
  SD90528  Logfia filaginoides Robert F. Thorne 1973-4-11 42861 Los Angeles San Clemente Island; Middle portion of Norton Canyon. 274 Comment
  RSA0115759  Logfia gallica Steven A. Junak 1999-5-20 SCa- 941 Los Angeles Santa Catalina Island. Just S of Cottonwood-Black Jack Road, along N side of Escondido Canyon. 323 Comment
  CAS-BOT-BC283441  Lolium multiflorum John H. Thomas 1957-5-17 6768 Los Angeles Occidental College Campus, Los Angeles. Near Moore Laboratory Comment
  UCR127009  Lolium perenne A. C. Sanders, Mark A. Elvin 2003-6-18 26940 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  RSA187860  Lolium rigidum R. F. Thorne 1966-6-1 36482 Los Angeles Santa Catalina Island. Opposite Bird Park, Avalon. 30 Comment
  UCR269936  Lomatium dasycarpum R. G. Swinney 2010-3-24 12101 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  RSA570219  Lomatium mohavense T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5015 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA658996  Lomatium mohavense W. Wisura 2001-4-30 5156 Los Angeles San Gabriel Mts.: Hwy N4 9.4 mi N. fr. jctn. with Hwy 2. Comment
  RSA209550  Lomatium vaginatum C. W. Tilforth 1969-4-15 181 Los Angeles Between Whittier & West Covina along Colima Ave just n. of Punta del Este Rd. Comment
  POM88090  Lonicera interrupta A. D. E. Elmer 1902-06 3964 Los Angeles Acton. Mt. Gleason. 829 Comment
  RSA588960  Lonicera subspicata var. denudata Orlando Mistretta 1994-6-8 1340 Los Angeles Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1158 Comment
  RSA648044  Lonicera subspicata var. denudata Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SBBG69620  Lonicera subspicata var. denudata R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  UC1125304  Lonicera subspicata var. denudata G. T. Nordstrom 1935-1-22 322 Los Angeles 3 mi n of mouth Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle Comment
  UC1125305  Lonicera subspicata var. denudata R. St. John 1930-2-26 103 Los Angeles Lower Hungry Valley Tejon Quadrangle 975 Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  RSA406737  Lotus argophyllus var. argophyllus I. M. Johnston 1917-6-15 1278 Los Angeles Cascade Canyon. 1372 Comment
  RSA161102  Lotus dendroideus var. dendroideus P. H. Raven 1962-5-22 17847 Los Angeles Santa Catalina Island. Hillside near stream about 1 mile below Middle Ranch Comment
  RSA573748  Lotus grandiflorus var. grandiflorus T. S. Ross 1992-7-17 6734 Los Angeles Ridge between Condor Peak Saddle and Fox (trinagulation point, 5033-ft.) in first saddle NNW from Fox. 1402 Comment
  RSA590429  Lotus hamatus T. S. Ross 1993-4-21 6834 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  RSA746958  Lotus heermannii R. G. Swinney 2008-4-30 8712 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR273187  Lotus heermannii var. heermannii R. G. Swinney 2011-10-25 15892 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
  RSA773982  Lotus nevadensis R. G. Swinney 2009-7-22 11319 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UCR113747  Lotus nevadensis var. davidsonii Scott D. White 1997-5-8 5086 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  RSA406210  Lotus oblongifolius var. oblongifolius F. R. Fosberg 1931-8-13 4964 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  SFV10188  Lotus salsuginosus J. G. Cuti 1978-4-12 49 Los Angeles Verdugo Mountains La Tuna Canyon Road near eastbound onramp for 210 Freeway. Burnt over, north-facing, gradual slope. 450 Comment
  SFV1844  Lotus salsuginosus M. L. Vincent 1962-4-6 164 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  RSA498799  Lotus salsuginosus E. S. Spalding 1925-4-23 20339 Los Angeles Turnbull [?] Canyon Comment
  UC527635  Lotus scoparius C. B. Wolf 1931-7-2 Los Angeles 0.5 mi above the bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  UCR281958  Lotus scoparius subsp. brevialatus R. G. Swinney 2014-4-24 16233 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
  UCR206537  Lotus scoparius subsp. scoparius A. C. Sanders, T. B. Salvato 2009-5-19 36831 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA0091518  Lotus strigosus R. G. Swinney 2011-4-20 14433 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
  RSA229727  Lotus strigosus R. F. Thorne 1969-7-2 38213 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  RSA753966  Lotus strigosus Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54954 B Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA213425  Lupinus Reid V. Moran 1941-5-19 592 Los Angeles In field, north of Middle Ranch, San Clemente Island. 500 Comment
  SEINET10488429  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 7325 (3) Comment
  UCSB10695  Lupinus benthamii Lloyd, Robert 1959-3-24 Los Angeles North side of Stae Highway 138; one-third mile east of Jct. with Fed. Highway 99; Tehachapi Mt. Range; Pacific Ocean Drainage Area 1097 Comment
  UCSB3395  Lupinus benthamii Haller, John 1960-5-23 Los Angeles At junction of California 138 and U.S. 99; east of Gorman 1127 Comment
  RSA167567  Lupinus benthamii var. benthamii Robert F. Thorne, Percy C. Everett, K. Thorne 1964-4-15 33686 Los Angeles 10 miles NW of Mariposa Comment
  CATA1588  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2858 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  RSA0080774  Lupinus bicolor R. G. Swinney 2010-4-13 12187 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  RSA592653  Lupinus bicolor Mark Hoefs 1974-3-28 411 Los Angeles Santa Catalina Island, ridge above and north of Upper Bulrush Canyon. 335 Comment
  SBBG133638  Lupinus bicolor L. Gross, P. DeVries, O. Gasser 2015-4-7 6945 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  SEINET13383412 Image available Lupinus bicolor R. G. Swinney 2010-1 13085 Los Angeles San Gabriel Mountains: Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  UC1871215  Lupinus bicolor T. S. Ross, Walter Appleby 1993-5-20 7207 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCSB31656  Lupinus bicolor Griesel, Wesley 1962-4-14 Los Angeles Vincent 914 Comment
  SEINET7047887 Image available Lupinus bicolor Steven R. Hill, Kate Kramer 2001-4-22 33335 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  UCR71261  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4348 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  SEINET10484915  Lupinus bicolor subsp. pipersmithii Robert F. Thorne 1966-4-6 Thorne 35911 Los Angeles Santa catalina island: margin of small reservoir n of catalina airport, elev. Ca. 1430'; With juncus bufonius, plantago coronopus, p. Erecta, p. Insularis, Gnaphalium luteo-album, spergularia bocconii, etc. 436 Comment
  RSA603528  Lupinus concinnus Sara L. Crockett 1997-4-2 643 Los Angeles Santa Catalina Island, third N/S trending ridge on n side of Skull canyon, 0.65 mile up Skull canyon from jct. with Middle Canyon road, 0.25 mile up ridge. 308 Comment
  SEINET10970254  Lupinus densiflorus var. lacteus E. R. Blakley 1958-5-9 Blakely 2278 Los Angeles Annual, fls white, common in sun, granite loam soil, rolling grassland, 3 1/2 Mi. E of gorman on state hwy 138. 1067 Comment
  SBBG112165  Lupinus excubitus C. Bornstein, B. Collins 1997-4-14 Los Angeles Liebre Mtn Rd Comment
  RSA586459  Lupinus excubitus var. austromontanus Orlando Mistretta, S. D. Boyd 1994-6-21 1366 Los Angeles Santiago Canyon, near summit of Pacifico Mountain. 1982 Comment
  SFV1876  Lupinus excubitus var. austromontanus P. G. Kilburn 1958-6-18 839 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  SFV9201  Lupinus flavoculatus S. Krause 1966-4-20 166 Los Angeles Roadside on Highway 138, 1 mile east of Littlerock. Comment
  POM11044  Lupinus formosus H. M. Hall 1903-04 3746 Los Angeles Arroyo Seco, near Pasadena 396 Comment
  SEINET12154548  Lupinus formosus J. F. Bright, Wyman, C. 1933-1 8335 Los Angeles Sna Fernando Valley Comment
  RSA414468  Lupinus formosus var. formosus Robert Gustafson 1973-5-17 s.n. Los Angeles ca .4 mile above Charlton Flats campground 1677 Comment
  RSA414788  Lupinus formosus var. formosus I. M. Johnston 1917-7-1 1754 Los Angeles San Antonio Mountains. Browns Flats. 1310 Comment
  RSA609128  Lupinus formosus var. formosus L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek, at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA413672  Lupinus hirsutissimus Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UC865197  Lupinus hirsutissimus Ira W. Clokey, B. Templeton Mar. 1929 4474 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) 250 Comment
  RSA213424  Lupinus hirsutissimus M. B. Dunkle 1939-4-6 7299 Los Angeles San Clemente Island Comment
  LA200470  Lupinus longifolius J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  LA33934  Lupinus longifolius Peter H. Raven; 1959-5-3 12070 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  POM2428  Lupinus longifolius Crawford, Otis Hiatt 1916-3-28 577 Los Angeles Santa Monica Comment
  RSA0061217  Lupinus longifolius Daisie Huang 2008-4-6 08040602 Los Angeles Deer Creek Road, right off of PCH. Malibu. 17 Comment
  UC218140  Lupinus longifolius P. A. Munz and R. D. Harwood 1920-5-17 3996 Los Angeles Topango Canyon; Santa Monica Mts., Topango Canyon 152 Comment
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May 29 2014
  SEINET10485639  Lupinus longifolius Donald R. Bissing 1973-6-2 Bissing 134 Los Angeles Evey Canyon. In brushy area of stream bed .1 mile from mouth of canyon. 707 Comment
  SBBG69052  Lupinus microcarpus var. densiflorus R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  SD42005  Lupinus microcarpus var. densiflorus Darley F. Howe 1947-5-3 1549 Los Angeles Mint Canyon Comment
  LA82168  Lupinus microcarpus var. densiflorus O. H. Kappler; 1944-4-23 593 Los Angeles Santa Monica Mountains, Cold Creek, North slope, Las Virgenes Canyon; Near Malibu Fire Station headquarters Comment
  SDSU21136  Lupinus microcarpus var. horizontalis Ian Cain, Bruce Lund 2010-5-10 1404 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  SBBG67047  Lupinus microcarpus var. microcarpus R. Hoffmann 1932-4-27 Los Angeles Palmdale Comment
  SFV1898  Lupinus odoratus M. L. Vincent 1962-5-7 240 Los Angeles Mojave Desert Llano at junction of road to Mile High. Roadside on Highway 138. 965 Comment
  UCSB11874  Lupinus odoratus Haines, Bruce 1962-4-14 Los Angeles At junction of Oasis Road and Palmdale Road, 25 miles west of Victorville 1115 Comment
  UCR281396  Lupinus sparsiflorus R. G. Swinney 2014-4-24 16216 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  SFV15580  Lupinus sparsiflorus R. K. Stachelek 1992-4-4 3 Los Angeles Approximately 0.2 miles from intersection of Balboa and Foothill, on north side of Foothill next to roadside. Comment
  UCR85815  Lupinus succulentus T. S. Ross 1991-4-8 4479 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 355 Comment
  RSA414317  Lupinus succulentus Chas. Paukey 1897-4-1 s.n. Los Angeles Los Angeles. Comment
  RSA414822  Lupinus succulentus B. Becil 1931-4-29 s.n. Los Angeles Santa Susana Valley. Comment
  UCSB7108  Lupinus succulentus McElwain, Isabelle 1953-4-12 Los Angeles Shoshone Ave. short distance N of intersection of Shoshone and Highwater Rd., Granada Hills 457 Comment
  SD30041  Lupinus superbus Paul O. Schallert 1943-5-9 Los Angeles Monrovia. Mt. Canyon Comment
  SBBG94231  Lupinus truncatus F. R. Fosberg 1931-3-25 4374 Los Angeles Hamilton Cyn, near top of S Wall 100 Comment
  RSA536078  Lupinus truncatus Tim S. Ross 1991-5-21 5420 Los Angeles San Clemente Island, E fork of Box Canyon near its junction with the westerly fork 453 Comment
  RSA579307  Luzula comosa Timothy S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8087 Los Angeles Sheep Camp Spring, 334 degrees and 520m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon 1921 Comment
  RSA633354  Lycium andersonii Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  SBBG70673  Lycium andersonii R. Hoffmann 1929-4-27 Los Angeles Roosevelt Comment
  JEPS11731  Lycium californicum R. A. Casad 1920-1-26 Los Angeles Huntington Beach Comment
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Dec 23 2014
  UC1083109  Lycium cooperi Herbert L. Mason 1926-4-26 2969 Los Angeles Mint Canyon Road, summit of 1st grade San Gabriel Mts. Comment
  RSA527615  Lyonothamnus floribundus subsp. aspleniifolius Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-8 4399 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA5767  Lyonothamnus floribundus subsp. aspleniifolius L. R. Abrams, Wiggins 1931-7-6 382 Los Angeles San Clemente Island: vicinity of Mosquito Harbor. Comment
  SD79062  Lyonothamnus floribundus subsp. aspleniifolius R. M. Beauchamp 1967-1-29 164 Los Angeles San Clemente Island, old trees growing in side arm of canyon west of Thirst. Comment
  SBBG105390  Lyonothamnus floribundus var. aspleniifolius R. M. Beauchamp 1976-5-23 4154 Los Angeles S rim of Gray Cyn 411 Comment
  SBBG13649  Lyonothamnus floribundus var. floribundus P. H. Raven 1962-5-22 17833 Los Angeles first cyn W of Lions Head Pt 76 Comment
  RSA0035881  Lythrum californicum R. G. Swinney 2009-11-9 11587 B Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  SEINET3155236  Lythrum californicum G. B. Grant 740 Los Angeles Cienega Comment
  UCR275323  Lythrum hyssopifolia Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  UCR149509  Machaeranthera canescens R. G. Swinney 1997-7-14 5679 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  SBBG108578  Madia elegans T. S. Ross 1992-7-12 5992 s Los Angeles home of T. S. Ross, Ontario Comment
  POM362165  Madia exigua F. R. Fosberg 1931-5-2 4734 Los Angeles Eagles nest, Middle Ranch canyon, Santa Catalina Island, 180 Comment
  RSA188028  Madia gracilis R. F. Thorne 1966-4-28 36248 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  RSA592053  Madia gracilis Mark Hoefs 1973-5-4 208 Los Angeles Middle of Middle Ranch Canyon; Santa Catalina Island. 244 Comment
  SBBG117109  Madia gracilis S. A. Junak with R. N. Philbrick, M. L. Hoefs 2001-5-19 SCa 1574 Los Angeles Black Jack Rd, ca. 0.15 mi from jct with Airport Rd, ca. 0.34 mi N of Black Jack summit, on N side of ridge below Black Jack Pk 402 Comment
  RSA94365  Madia gracilis F. W. Peirson 1920-6-10 2777 Los Angeles Maple Spring on trail to Mt. Lowe. 1067 Comment
  RSA495626  Maianthemum stellatum S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 330 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  RSA6078  Malacothamnus davidsonii Carl B. Wolf 1932-9-15 4076 Los Angeles 0.5 miles south of San Fernando, and 2 blocks east of San Fernando Road on Vaughn Ave. 305 Comment
  RSA641495  Malacothamnus davidsonii Louis C. Wheeler 1967-8-13 10466 Los Angeles San Gabriel Mts: Angeles National Forest; Little Tujunga near Dillon Divide 793 Comment
  RSA77030  Malacothamnus davidsonii F. W. Peirson 1928-9-4 8180 Los Angeles Paicoma Wash at Upper Boulevard, San Fernando Valley Comment
  CAS-BOT-BC206203  Malacothamnus fasciculatus L. R. Abrams; I. L. Wiggins 1931-7-4 337 Los Angeles White's Landing, Santa Catalina Island Comment
  LA82219  Malacothamnus fasciculatus O. H. Kappler; 1940-6-16 53 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR142499  Malacothamnus fasciculatus Reid Moran 1941-3-3 670 Los Angeles Channel Islands, near Parson's Landing, Santa Catalina Island 200 Comment
  UCR209226  Malacothamnus fasciculatus R. G. Swinney 1969-5-1 395 Los Angeles San Gabriel Valley, c. 100 yards south of Duarte city limits on Buena Vista Ave. in Irwindale, c. 100 yards west of San Gabriel River channel 133 Comment
  UC1122023  Malacothamnus fasciculatus var. fasciculatus A. D. Gifford 1935-1-7 406 Los Angeles 6 1/2 mi ese Whitaker Peak; Tejon Quadrangle 518 Comment
  RSA580308  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1994-5-25 7927 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  UC284782  Malacothrix foliosa P. A. Munz 1923-4-9 6612 Los Angeles San Clemente Island; n end Comment
  UC1595349  Malacothrix glabrata Tim Ross 1992-5-17 6357 Los Angeles about 95 m(sic) s mouth of Shoemaker Canyon (on w side of river); San Gabriel Mountains, East Fork of the San Gabriel River 655 Comment
  RSA654328  Malacothrix saxatilis Benjamen Rangel 1992-5-17 777 -45 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  CAS-BOT-BC347860  Malacothrix saxatilis var. implicata L. R. Abrams; I. L. Wiggins 1931-7-3 286 Los Angeles Channel Islands. Santa Barbara Island Comment
  JEPS26140  Malacothrix saxatilis var. tenuifolia Peter H. Raven 1959-2-23 13804 Los Angeles Mulholland Drive 3.1 mi e Decker Road; Santa Monica Mountains 548 Comment
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Feb 14 2006
  UCD96961  Malephora crocea Kenneth A. Wilson 1961-3-12 1001 Los Angeles Zuma Beach. Comment
  HSC3150  Malosma laurina C. S. Apperson 1967-6-24 Los Angeles 0.5 mi. up Stunt Canyon Rd. off Mullholland Dr., Santa Monica Mtns. Comment
  RSA650022B  Malosma laurina A. E. Hersh 1950-7-9 s.n. Los Angeles roadside [Topanga] Canyon, about 2 miles from west end. 91 Comment
  UCR138990  Malva nicaeensis L. C. Wheeler 1974-5-2 s.n. Los Angeles McClintock and 36th Street, University of Southern California Campus Comment
  RSA669626  Malva parviflora LeRoy Gross 2002-4-13 528 Los Angeles At intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest. 579 Comment
  LA210296  Malvella leprosa A. M. Johnson; 1934-4-3 4392 Los Angeles Del Rey Hills Comment
  RSA441001  Marah macrocarpa T. S. Clare 1929-3-11 s.n. Los Angeles Topanga Canyon. Comment
  RSA657458  Marah macrocarpa J. Keeling 1980-5-26 20 Los Angeles Verdugo Mountains; South end of dam. Beginning of Childs Canyon, 500 yards east of Allen Street. Glendale. 335 Comment
  CHSC46889  Marah macrocarpa var. major Herber G. Baker 1966-4-21 Los Angeles San Clemente Island. Comment
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May 16 2008
  RSA440970  Marah macrocarpa var. major Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA651644  Marrubium vulgare C. J. Humphrey, Herbert Humphrey 1936-6-5 299 Los Angeles Along banks of stream in Mts. 90 miles north of Los Angeles. On Hgw 99. 610 Comment
  UCD125015  Marrubium vulgare J. Warren 1952-4-24 s.n. Los Angeles Mulholland Drive. 548 Comment
  UCR205131  Matricaria matricarioides R. G. Swinney 2008-4-17 8693 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  RSA27380  Meconella denticulata George T. Hastings 1960-08 s.n. Los Angeles Topanga Canyon, Santa Monica Mts, Los Angleles Comment
  SFV21132  Medicago lupulina L. Gross 2003-5-19 1026 Los Angeles San Fernando Valley Sunland. Bluff on south side of Tujunga Wash in yard in housing tract called "Sunhill Estates." 366 Comment
  UC1922329  Medicago polymorpha Gary Kovnat with LeRoy Gross 2003-2-16 25 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  RSA640636  Medicago polymorpha L. C. Wheeler 1967-5-15 9602 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  SBBG95230  Medicago sativa M. B. Dunkle 1928-4-13 1863 Los Angeles Renton Mine Rd Comment
  UCR51054  Melaleuca viminalis A. C. Sanders 1988-3-17 7727 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  POM362464  Melampodium perfoliatum Geo. L. Moxley 1915-9-8 451 Los Angeles Florence Ave. between Long Beach and Alameda Comment
  UC1870200  Melia azedarach LeRoy Gross 2001-10-6 448 Los Angeles Los Angeles Basin region; Big Tujunga Wash, southern front of the San Gabriel Mountains; Where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of the wash. 366 Comment
  LA103554  Melica imperfecta Barry A. Prigge; 1986-3-29 7158 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  POM357046  Melica imperfecta Anonymous 1914-6-14 s.n. Los Angeles Found on damp shady banks in Nichol's Canyon Comment
  RSA707835  Melica imperfecta L. M. Prince, N. Refulio Rodriguez 2002-3-25 2 -281 Los Angeles Los Angeles National Forest north of Claremont. ~4 km north of San Antonio Dam on Mt. Baldy Rd. In NE facing ravine. 900 Comment
  RSA746863  Melica imperfecta Orlando Mistretta 1992-5-21 365 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UC625139  Melica imperfecta F. R. Fosberg 1931-3-19 S 4307 Los Angeles Hamilton Canyon; Santa Catalina Island 10 Comment
  UCD87787  Melica imperfecta A. A. Beetle 1946-4-20 4741 Los Angeles Palos Verdes Hills, near Los Angeles. Comment
  UCD87952  Melica imperfecta F. W. Peirson 1923-4-12 3420 Los Angeles Wilsons Cove, San Clemente Island. Comment
  UCD87967  Melica imperfecta W. M. Phillipson 1915-6-1 s.n. Los Angeles Monrovia. Comment
  SEINET11678865  Melica imperfecta J. F. Bright, Wyman, C. 1933-1 8296 Los Angeles Tehachapi Mts Comment
  JEPS65548  Melilotus albus Frank W. Peirson 1919-3-30 354 Los Angeles Tujunga Canyon San Gabriel Mountains 426 Comment
  RSA652196  Melilotus albus Irvin Slade 1948-1-18 s.n. Los Angeles at Griffelth Park, between Glendale and Burbank. Comment
  POM158274  Melilotus indicus M. B. Dunkle 1928-5-28 1985 Los Angeles Avalon Canyon, Santa Catalina Island. 46 Comment
  RSA0082897  Melilotus indicus R. G. Swinney 2010-5-7 12584 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA600369  Melilotus indicus Steve Boyd, Lauren Raz 1997-5-28 9869 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
  SBBG12725  Melilotus indicus E. R. Blakley 1962-6-10 5213 Los Angeles camp area, Wilson Cove 30 Comment
  RSA151280  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  RSA659445  Melilotus indicus Monica Acosta 1998-5-25 18 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  UCR189281  Mentzelia R. G. Swinney 1998-5-16 6095 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  UCR193170  Mentzelia R. G. Swinney 1999-8-14 7633 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
  RSA282497  Mentzelia albicaulis H. J. Thompson 1960-4-10 3041 Los Angeles SE slope of Piute Butte, 16 miles Southeas of Palmdale, Mojave Desert 915 Comment
  SEINET13203253 Image available Mentzelia congesta R. G. Swinney 2011-1 14504 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA0084862  Mentzelia laevicaulis R. G. Swinney 2010-9-1 13673 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UCR163183  Mentzelia laevicaulis Anuja Parikh, Nathan Gale 2004-6-21 2056 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  RSA440461  Mentzelia laevicaulis G. R. Johnstone 1930-8-10 s.n. Los Angeles San Gabriel Canyon. 457 Comment
  LA91514  Mentzelia micrantha Bruce Douglas Clayton; Greg Shaw 1972-5-11 114 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Half way along trail on S slope of castle 548 Comment
  POM145759  Mentzelia micrantha Thomas Craig 1927-6-19 470 Los Angeles Soledad Canon [canyon] Road near junction with Mint Canyon Road. Comment
  SBBG69316  Mentzelia micrantha A. J. McClatchie 1893-4-21 Los Angeles Pasadena Comment
  RSA69573  Mentzelia micrantha F. W. Peirson 1918-6-12 119 Los Angeles In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. 549 Comment
  UCD117379  Mentzelia micrantha Collector unknown 1923-5-22 270 Los Angeles Eaton Canyon. Comment
  UCR139480  Mentzelia montana Anstruther Davidson, H. E. Hasse 1906-6-1 1626 Los Angeles San Gabriel Mtns./Mojave Desert, Big Rock Creek 1982 Comment
  RSA757803  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-7 2370 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 46 per TRTP survey-2008) 1031 Comment
  UCR130832  Mentzelia veatchiana David Charlton 1989-4-7 2871 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  RSA709635  Mentzelia veatchiana LeRoy Gross 2005-4-28 2166 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  POM770  Mesembryanthemum crystallinum D. L. Crawford 1916-5-10 s.n. Los Angeles Upper San Dimas Canyon Comment
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Jul 7 2008
  RSA402627  Mesembryanthemum nodiflorum F. R. Fosberg 1931-5-21 s.n. Los Angeles Santa Catalina Island. Parsons Landing. 2 Comment
  SBBG95490  Mesembryanthemum nodiflorum M. B. Dunkle 1939-4-2 7215 Los Angeles Pyramid Pt Comment
  CAS-BOT-BC348446  Micropus californicus var. californicus Geo. B. Grant 1898-2-28 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC349180  Microseris elegans Hasse 1890-5-1 s.n. Los Angeles Santa Monica Comment
  RSA730751  Microseris heterocarpa A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26116 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCR153573  Microseris lindleyi A. C. Sanders, T. B. Salvato 2005-4-26 29717 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
  UCR170613  Microseris lindleyi Dan S. Cooper 2005-6-6 s.n. Los Angeles San Andreas Rift Zone, N of Lake Elizabeth [ESE of Lake Hughes] 1189 Comment
  UCR189962  Mimulus R. G. Swinney 1998-6-12 6959 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  RSA164778  Mimulus aurantiacus Wesley O. Griesel 1963-7-11 823 Los Angeles Islip Saddle, San Gabriel Mountains 2439 Comment
  RSA550787  Mimulus aurantiacus David M. Thompson 1992-5-22 1074 Los Angeles Above Claremont along Mt. Baldy Road; 0.8 roadmile above (N of) upper tunnel 1098 Comment
  RSA724657  Mimulus aurantiacus K. Dobry 1991-5-20 601 Los Angeles West San Gabriel Mts. along Little Tujunga Rd up to Bear Divide. Comment
  JEPS87292  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-22 1074 Los Angeles above Claremont (along Mt. Baldy Road, 0.8 rd mi above (n of) upper tunnel) 1100 Comment
  LA209157  Mimulus aurantiacus var. pubescens S. F. Blake; 1910-7-23 434 Los Angeles Los Angeles Comment
  OBI2800  Mimulus aurantiacus var. pubescens D. Dunn 1969-5-12 26 Los Angeles ON road to Chantry Flat; above the first check dam. San Gabriel Mts 457 Comment
  RSA442627  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA578523  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd 1994-6-22 8018 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA182994  Mimulus aurantiacus var. puniceus S. Carlquist, Robert F. Thorne 1966-4-29 1829 Los Angeles Santa Catalina Island. Upper slopes of Blackjack Mt., at beginning of road down to White's Landing. Comment
  RSA442688  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-5-21 S- 4936 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  RSA485356  Mimulus brevipes Steve Boyd, T. S. Elias 1987-4-14 2033 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  UC483361  Mimulus cardinalis L. R. Abrams and I. L. Wiggins 1931-7-4 319 Los Angeles White's Landing Channel Islands, Santa Catalina Island Comment
  RSA0051688  Mimulus cardinalis L. E. Hoffman 1945-7-25 s.n. Los Angeles Upper Pacoima, Dillon's Ranch. 304 Comment
  CAS-BOT-BC9459  Mimulus diffusus J. H. Thomas 1957-5-8 6739 Los Angeles San Gabriel Mountains, about 13 miles NE of center of Pasadena 1676 Comment
  RSA435506  Mimulus floribundus Freda Detmers 1928-10-17 s.n. Los Angeles Stream side, Verdugo Woodlands Comment
  RSA602740  Mimulus floribundus Louis C. Wheeler 1967-7-15 10053 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  UCR205259  Mimulus floribundus R. G. Swinney 2005-8-15 8487 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  SFV21882  Mimulus fremontii L. L. Zung 2011-5-17 8 Los Angeles San Gabriel Mountains Juniper Hills. 1280 Comment
  RSA14201  Mimulus fremontii Carl B. Wolf 1926-5-2 182 Los Angeles Victory Blvd, south of San Fernando Comment
  RSA709811  Mimulus fremontii Gary D. Wallace, Ann Hiller 1983-5-18 2059 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  LA51864  Mimulus guttatus Peter H. Raven; 1960-5-7 15329 Los Angeles 335 Comment
  UCR272604  Mimulus guttatus R. G. Swinney 2011-6-7 15054 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
  POM220010  Mimulus guttatus F. R. Fosberg 1932-5-7 8146 Los Angeles Santa Catalina Island. Grand Can[yon] below Falls. 100 Comment
  RSA238261  Mimulus moschatus Robert F. Thorne 1969-7-2 38316 Los Angeles San Gabriel Mts., Angeles National Forest: Moist area about spring 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  RSA447979  Mimulus moschatus var. sessilifolius Anstruther Davidson 1889-05 s.n. Los Angeles Glendale. Comment
  SFV16965  Mimulus pilosus J. N. Hogue, P. Wilson 1997-6-27 87 .9 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  UC1282117  Mimulus pilosus Victor Duran 1933-7-10 3510 Los Angeles Sulphur Springs San Gabriel Mountains 1524 Comment
  RSA188331  Minuartia douglasii R. F. Thorne, M. Z. Thorne 1966-5-31 36425 Los Angeles Santa Catalina Island: along bare rocky ridge running S from Orizabe Mt. 579 Comment
  UCR210446  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA746897  Mirabilis laevis R. G. Swinney 2005-4-15 8217 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  UCR219564  Mirabilis laevis R. G. Swinney 2009-3-28 10207 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA0127622  Mirabilis laevis var. crassifolia Richard G. Swinney 2014-4-23 16150 Los Angeles San Gabriel Mountains/Mojave Desert; east of Valyermo, 3.1 miles south of Hwy.138 on Bobs Gap Rd. (165th St. E.), 100-400 m west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  UC205372  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1421 Los Angeles s slope Baldy; San Antonio Mountains 2667 Comment
  UC284651  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy, type station San Antonio Mountains 2895 Comment
  SEINET892763  Monardella breweri subsp. lanceolata Victor Duran 1933-1 3514 Los Angeles Sulphur Springs, San Gabriel Mountains 1524 Comment
  CAS-BOT-BC220125  Monardella exilis A. D. E. Elmer 1902-6-1 3648 Los Angeles Palmdale Comment
  SEINET3996158 Image available Monardella exilis Victor Duran 1933-5-23 3415 Los Angeles Near Lancaster 716 Comment
  RSA401625A  Monardella macrantha subsp. macrantha Geo. L. Moxley 1917-8-12 s.n. Los Angeles Santa Anita Canyon, San Gabriel Mtns. 1128 Comment
  POM156359  Mucronea californica L. R. Abrams 1902-6-10 2507 Los Angeles Near Playa del Rey. Comment
  RSA392757  Mucronea perfoliata Anstruther Davidson 1906-01 1948 Los Angeles Big Rock Creek Comment
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Aug 12 2017
  SBBG108156  Muhlenbergia microsperma S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 623 Los Angeles N side of Cherry Harbor, overlooking mud flats, ca. 20-30 m upslope 42 Comment
  UCR239979  Muhlenbergia rigens R. G. Swinney 2009-11-16 11635 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
  SBBG12561  Munzothamnus blairii P. H. Raven 1962-5-10 17717 Los Angeles high on a cliff, just N of Thirst 198 Comment
  SD237233  Myriopteris covillei R. G. Swinney 2009-6-2 10986 Los Angeles Transverse Range; San Gabriel Mtns.: east slope of Pacifico Mountain at Fountainhead Spring. 2012 Comment
  RSA748900  Nama californica R. G. Swinney 2008-5-12 8835 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UC1250456  Nama demissa var. demissa Isabelle Tavares, Valera Brinson 1962-4-18 291 Los Angeles on Highway 138 26 mi e of Palmdale; Highway 138 1036 Comment
  UC672365  Nama demissa var. demissa Herbert L. Mason 1926-4-26 3002 Los Angeles Little Rock Comment
  RSA421136  Nama demissa var. deserti N. C. Cooper 1949-4-19 3605 Los Angeles Mojave Desert, Lancaster. 762 Comment
  RSA524186  Nassella cernua Timothy S. Ross, Steve Boyd 1990-6-6 2863 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA618720  Nassella lepida Scott D. White 1998-5-19 6534 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 425 Comment
  RSA726021  Nassella lepida A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26121 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SBBG128068  Nassella pulchra M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2833 Los Angeles hillside above New York Harbor 79 Comment
  UC1109351  Nassella pulchra Peter H. Raven 1962-4-9 17172 Los Angeles rocky grassland near barracks; San Clemente Island, Wilson Cove 60 Comment
  UC822009  Nassella pulchra F. R. Fosberg 1931-3-19 S 4308 Los Angeles near Avalon (canyon floor); Santa Catalina Island, Hamilton Canyon 10 Comment
  RSA647895  Nasturtium officinale LeRoy Gross, Wayne Law 2000-8-8 179 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. Parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  POM273404  Nasturtium officinale George B. Grant 1901-5-10 s.n. Los Angeles Pasa Comment
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Jun 26 2014
  RSA73130  Navarretia hamata subsp. hamata F. W. Peirson 1917-5-14 949 Los Angeles San Gabriel River was at foothill Boulevard Comment
  RSA464363  Nemacaulis denudata var. gracilis George B. Grant 1903-1 827 Los Angeles Terminal Island Comment
  SEINET10906226  Nemacladus longiflorus Chamberlain 1899-1 Chamberlain s.n. Los Angeles Comment
  RSA775357  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-4 5255 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA439257  Nemacladus ramosissimus Anstruther Davidson 1914-6-1 2971 Los Angeles Bonita Camp, San Gabriel Canyon Comment
  RSA608053  Nemophila menziesii Louis C. Wheeler 1931-2-7 s.n. Los Angeles Sargent's Grove. Comment
  UC880911  Nemophila menziesii var. integrifolia Geo. L. Fisher 1920-7-8 124 Los Angeles Mt. Wilson 609 Comment
  RSA589117  Nemophila menziesii var. menziesii Tim S. Ross 1992-4-4 6103 Los Angeles Big Rock Creek: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road. 1207 Comment
  POM175399  Nicotiana attenuata Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Exposed ridge near north Baldy Peak, San Gabriel Mts. Comment
  POM4063  Nicotiana glauca J. F. Illingworth 1898-04 67 Los Angeles Claremont. 366 Comment
  RSA651997  Nicotiana glauca Tom Kawakami 1948-2-15 s.n. Los Angeles Ganesha Park, Pomona. Comment
  UC884647  Nicotiana glauca Ira W. Clokey, B. Templeton Jun 1929 4583 Los Angeles Mandeville Canyon; Santa Monica Mountains 150 Comment
  UCR210504  Nicotiana glauca R. G. Swinney 2008-11-30 9891 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  LA94877  Nicotiana glauca K. Larson; J. Neel 1950-4-2 32 Los Angeles SANTA MONICA MOUNTAINS, Mulhollanbd Dr 5 mi west of intersection with Beverly Glen. Comment
  UCR73126  Nicotiana quadrivalvis Scott D. White 1992-10-8 899 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
  LA81974  Nicotiana quadrivalvis O. H. Kappler; 1944-5-21 625 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope 182 Comment
  CLARK-A1528-3567  Notholaena californica John C. Roos 1946-11-23 3160 Los Angeles Newhall Comment
  RSA507558  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-1 10220 Los Angeles San Gabriel Mountains: 1/2 mile N of Roundtop. 1890 Comment
  SBBG116375  Oenothera californica subsp. californica R. Burgess, P. Munro 2002-5-6 5138 Los Angeles Hungry Valley Rd, 0.5 mi W of Smokey Bear Rd 914 Comment
  UC73306  Oenothera californica subsp. californica Pupils of Los Angeles High School May 1901 Los Angeles near Los Angeles Comment
  RSA594202  Oenothera elata subsp. hirsutissima Steve Boyd, Lauren Raz 1996-10-14 9049 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
  RSA479882  Oenothera elata subsp. hirsutissima Walter Wisura 1988-8-6 4249 Los Angeles Little Fish Fork of San Gabriel River above and around campground. Comment
  RSA586177  Oenothera elata subsp. hirsutissima Orlando Mistretta 1995-10-2 1937 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  UCR231167  Oenothera rosea Dan S. Cooper 2011-9-27 911- 113 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  POM126856  Oenothera tetraptera F. M. Reed 1905-10-2 265 Los Angeles Chicago Ave, Riverside. Comment
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Oct 6 2017
  CATA3444  Oligomeris linifolia Benjamin J. Dion, Tobias Nickel 2017-5-11 026 Los Angeles Santa Catalina Island: Pacific Side; edge of cliff in Cactus Bay watershed 331 Comment
  SEINET10732296  Opuntia X occidentalis George Engelmann Engelmann s.n. Los Angeles Comment
  SD230193  Opuntia basilaris var. basilaris Steve Boyd, Lauren Raz 1997-6-18 9976 Los Angeles Liebre Mountains region: Portal Ridge, open ridline about junction of Juday Truck Trail and Troedel Motorway, south of Trodel Spring. 1182 Comment
  RSA680010  Oreonana vestita LeRoy Gross, Valerie Soza 2003-6-10 1018 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. 2896 Comment
  HSC78682  Ornithostaphylos oppositifolia C. W. Tilforth 1976-3-10 1205 Los Angeles Garden grown from seed brought from Baja Ca. MEX, recently found as chaparral plant in San Diego Co. Comment
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Mar 2 2013
  CAS-BOT-BC499739  Orobanche californica subsp. feudgei G. D. Abrams 1906-7-13 s.n. Los Angeles East Los Angeles Comment
  RSA0078639  Orobanche californica subsp. feudgei J. B. Feudge 1924-6-10 569 Los Angeles Big Pines, San Gabriel Mts. 1981 Comment
  RSA0093123  Orobanche fasciculata Richard G. Swinney 2011-5-12 14688 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
  RSA0059184  Orobanche uniflora subsp. occidentalis Frank W. Peirson 1921-5-12 1174 Los Angeles Big Santa Anita Trail, south slope of San Gabriel Mts. 762 Comment
  JEPS79817  Orobanche valida subsp. valida W. P. Armstrong 1979-8-1 Los Angeles s.e. firebreak ridge of Lookout Mt. (w. side of ridge) 1798 Comment
  POM4376  Orthocarpus purpurascens var. pallidus Amos Shummway 1903-04 s.n. Los Angeles Near Pasadena. Comment
  UC457330  Oxalis albicans subsp. californica Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mtns Comment
  LA50658  Oxalis corniculata A. M. Johnson; 1932-2-27 3839 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  SEINET920555  Oxalis corniculata Wesley O. Griesel 1961-1 s.n. Los Angeles La Canada. 457 Comment
  SDSU602  Oxalis pes-caprae A. H. Gallup 1949-3-5 323 Los Angeles Lasca- common around cultivated area. 152 Comment
  CDA20109  Oxalis pes-caprae M. O'Brien 2003-4-13 MOB 9 -03 Los Angeles South Coast; Topanga State Park, near the headquarters compound. 0 Comment
  CAS-BOT-BC413305  Oxytheca perfoliata Mrs. H. C. Cantelow 1935-3-22 695 Los Angeles Mojave Desert. bet. Del Sur and Palmdale Comment
  RSA590841  Oxytheca trilobata Tim S. Ross, S. D. Boyd 1990-5-23 2603 Los Angeles Upper Mill Creek: 2.8 road miles S of Mill creek Summit along Angeles Forest Hwy, and ca 1440m NNW of Rabbit peak. 1198 Comment
  SEINET5337444  Paeonia brownii I. W. Clokey, E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon, Brushy hillside. 900 Comment
  LA50667  Paeonia californica Carl Epling; M. Epling May 1925 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  LA91484  Paeonia californica Bruce Douglas Clayton; Greg Shaw 1972-4-11 85 Los Angeles Santa Monica Mountains, BDC Peak, Mountain Park Research Campus, Trail on N side of BDC peak, several yards below level of road 571 Comment
  RSA182757  Paeonia californica J. Massey, James Henrickson 1966-3-4 1051 Los Angeles Entrance of Coban Canyon. [Cobal Canyon] Comment
  CAS-BOT-BC274175  Pappostipa speciosa Roxana S. Ferris 1918-6-12 947 Los Angeles 5 miles south of Lancaster Comment
  UC1587727  Parapholis incurva Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5135 Los Angeles 550 ft ssw of the 924' BM at the e end of the old airfield landing strip San Clemente Island 279 Comment
  UCR162369  Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 28), near mouth of Potrero Canyon 351 Comment
  RSA719632  Parietaria hespera R. G. Swinney 1998-2-16 5895 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA448018  Parietaria hespera var. hespera Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA527653  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4372 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  LA33420  Paspalum distichum Peter H. Raven; Henry J. Thompson 1959-10-14 14622 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA0016998  Paspalum distichum Anstruther Davidson 1917-07 3160 Los Angeles Whittier. Comment
  UCR176575  Passiflora caerulea Harry Spilman 1998-4-29 01 Los Angeles South Pasadena, south side of equestrian trail north of the tunnel that passes under the Pasadena (110) Freeway, immediately east of Stoney Drive 183 Comment
  UCR250927  Pectis prostrata Michael C. Long 2013-10-18 921 Los Angeles San Gabriel Valley, Irwindale, Santa Fe Dam County Park, picnic area lawn near far southwestern end of lake, site of annual Renaissance Fair and south of large covered picnic shelters 142 Comment
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Oct 11 2016
  CATA892  Pectocarya linearis subsp. ferocula Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1707 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA158838  Pectocarya linearis subsp. ferocula P. H. Raven 1962-5-9 17707 Los Angeles Just north of Gray, San Clemente Island 427 Comment
  UCR223528  Pectocarya penicillata R. G. Swinney 2009-5-28 10922 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCD120193  Pectocarya setosa A. C. Sanders; D. Malueg 1998-6-22 22048 Los Angeles San Gabriel Mtns. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCR223078  Pectocarya setosa R. G. Swinney 2009-5-13 10779 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  RSA588084  Pedicularis semibarbata Orlando Mistretta 1994-5-31 1287 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  LA94136  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1663 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  RSA686720  Pellaea andromedifolia F. R. Fosberg 1931-4-1 R 83 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 60 Comment
  UC42642  Pellaea andromedifolia R. S. Norris June 1893 Los Angeles Catalina Island Comment
  UC812332  Pellaea andromedifolia Geo. L. Fisher 1920-7-9 Los Angeles Mt Wilson; Los Angeles 548 Comment
  SEINET9628400 Image available Pellaea andromedifolia L. Shields 1936-3-23 s.n. Los Angeles Puddingstone. Comment
  SD81627  Pellaea andromedifolia var. andromedifolia Herb. Louis Wheeler 1931-9-2 Los Angeles 1 mile north-northwest of Thompson Creek Dam 609 Comment
  RSA188234  Pellaea mucronata var. mucronata R. F. Thorne, Percy C. Everett 1965-6-23 34991 Los Angeles Santa Catalina Island: near mouth of Hamilton Canyon NW of Avalon. 23 Comment
  UCR197757  Penstemon centranthifolius Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 40 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
  POM305759  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1957-3-26 965 Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA650600  Penstemon centranthifolius C. R. Parks 1965-5-9 s.n. Los Angeles Along trail to Strawberry Peak, about 3 miles from Red Box Ranger Station, northwest of junction, Angeles Cres Hgwy and Mt. Wilson road, San Gabriel Mountains. 1677 Comment
  SFV15499  Penstemon centranthifolius E. J. Spencer 1992-4-29 16 Los Angeles San Gabriel Mountains Ruby Canyon, east of Lake Hughes Road, 12.4 miles from I-5. 549 Comment
  RSA408048  Penstemon grinnellii subsp. grinnellii F. R. Fosberg 1931-8-10 S- 5645 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  JEPS3886  Penstemon grinnellii var. grinnellii Joseph Andorfer Ewan and Nesta Ewan 1936-8-5 9954 Los Angeles (2 mi below Santa Monica Girl Scout Camp) (Mescal Canyon); San Gabriel Mts., Mescal Canyon 1463 Comment
  SBBG66540  Penstemon heterophyllus var. australis R. Hoffmann 1927-6-11 Los Angeles Ridge Route (US Hwy 99) Comment
  UCR271178  Penstemon labrosus R. G. Swinney 2011-9-27 15717 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  POM21407  Penstemon labrosus George B. Grant 1902-6-10 573 Los Angeles Summit of Mt. Wilson. Comment
  RSA756152  Penstemon spectabilis R. G. Swinney 2008-7-13 9183 Los Angeles San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  UCR260017  Penstemon spectabilis R. G. Swinney 2010-3-30 12108 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
  RSA650000  Penstemon spectabilis Floyd Hicks 1948-5-24 15 Los Angeles 2 1/2 mi. north of Covina between Covina and Agrese [?] on Citrus Ave. 168 Comment
  UCR107832  Penstemon spectabilis var. spectabilis Matilda Low 1997-4-3 31 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges). NW corner of Mills Ave & Foothill Blvd 412 Comment
  NY130530  Penstemon ternatus subsp. septentrionalis L. Abrams 1908-6-19 394 Los Angeles Oakgrove Canyon, Liebre Mountains. 1066.8 Comment
  UCR258878  Pentagramma triangularis R. G. Swinney 2010-5-7 12611 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
  LA200088  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-14 2022 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr., canyon N of road between Benedict Cyn Dr and Coldwater Canyon Dr. 304 Comment
  SFV16593  Pentagramma triangularis subsp. triangularis J. D. Dilley 1996-12-14 113 Los Angeles Verdugo Mountains La Tuna Canyon Park, about 1.2 miles up trail. 610 Comment
  SBBG76921  Pentagramma triangularis subsp. viscosa W. A. Wright 1931-2-19 Los Angeles Bannings Cyn, 0.5 mi from sea Comment
  UCR223290  Perideridia parishii R. G. Swinney 2009-7-23 11384 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
  LA94326  Peritoma arborea Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA545194  Perityle emoryi Timothy S. Ross 1992-4-14 6173 Los Angeles San Clemente Island: Central E side of Island, coastal bluff on E escarpment 20m S of where manny Canyon drainage meets the sea 18 Comment
  SEINET3923760  Persicaria lapathifolia Louis C. Wheeler 1932-8-28 1300 Los Angeles Puddingstone Lake, San Jose Hills.; 0 259 Comment
  POM49627  Petalonyx thurberi A. D. E. Elmer 1902-06 3614 Los Angeles Palmdale. Comment
  UCR189847  Phacelia R. G. Swinney 1998-7-21 6471 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  POM184515  Phacelia austromontana T. Craig 1927-6-8 446 Los Angeles Bear Canyon trail to Summit, Mt San Antonio, San Gabriel Mts. 2134 Comment
  RSA428100  Phacelia austromontana I. M. Johnston 1932-6-10 15494 Los Angeles Above Manker Flats on N slope, just beyond saddle near Sierra Club cabin Comment
  RSA226135  Phacelia brachyloba Robert F. Thorne 1971-6-17 39929 Los Angeles 1.3 miles below Bear Divide Station 671 Comment
  RSA582644  Phacelia cicutaria var. hispida Louis C. Wheeler 1932-5-27 773 Los Angeles Burbank Canyon, W Thompson Creek Dam. 518 Comment
  RSA710709  Phacelia cicutaria var. hispida Valerie L. Soza, Susan Caplow 2003-4-11 1628 Los Angeles Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  SFV21105  Phacelia cicutaria var. hispida L. Gross, L. Moore 2000-6-5 211 Los Angeles Verdugo Mountains Canyon east of Brand Canyon by the Brand Lateral Trail out of Brand Park, north of corners of Grandview and Mountain in Glendale. Small, narrow canyon between Brand and Idlewood Canyons. 274 Comment
  UCR155394  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2005-5-24 30263 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
  UCR271594  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-19 14782 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  RSA517135  Phacelia cicutaria var. hispida Tim S. Ross 1990-5-14 2492 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1149 Comment
  RSA659946  Phacelia cryptantha Orlando Mistretta 1992-5-18 352 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA230049  Phacelia davidsonii Robert F. Thorne 1971-6-26 40598 Los Angeles Summit of Mt. Wilson. 1738 Comment
  UCR47883  Phacelia davidsonii Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Hwy 2, west of Big Pines in vicinity of Dawson Saddle, at mile marker 56.54 2409 Comment
  RSA763662  Phacelia distans Doris Bowers 1957-4-25 919 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  UCR120600  Phacelia distans Steven R. Hill, K. Kramer 2001-4-22 33380 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  UCR276813  Phacelia distans R. G. Swinney 2010-5-21 12889 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
  RSA602197  Phacelia distans R. S. Woglum 1930-4-28 s.n. Los Angeles Glendora Comment
  RSA0081498  Phacelia douglasii R. G. Swinney 2010-5-12 12760 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
  UC1047047  Phacelia egena L. R. Heckard 1953-6-14 498 Los Angeles 2.5 mi down road to Little Rock from junction of Pacifico Mt. road; San Gabriel Mountains, Angeles National Forest 1554 Comment
  RSA426158  Phacelia fremontii Robert Gustafson, Gary D. Wallace 1982-4-26 2517 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  RSA316358  Phacelia fremontii Robert F. Thorne 1982-4-20 54986 Los Angeles 2.5 miles S of Llano 1159 Comment
  LA33995  Phacelia grandiflora Henry J. Thompson; 1959-5-24 2013 Los Angeles Santa Monica Mountains, Tuna Canyon, 2.3 mi N of Pacific Coast Hwy, 2.1 mi S of summit and junction with Saddle Peak Rd, Tuna Canyon Rd 396 Comment
  UC672396  Phacelia grandiflora Frank W. Peirson 1925-4-23 5809 Los Angeles small side canyon San Gabriel Canyon 304 Comment
  UC1375346  Phacelia imbricata subsp. imbricata Robert F. Thorne 1971-6-26 39980 Los Angeles Charleton Flats San Gabriel Mts., Angeles National Forest (along stream bed in small gully) 1645 Comment
  CATA1678  Phacelia lyonii Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2969 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  POM3697  Phacelia minor C. F. Baker 1904-4-15 4105 Los Angeles Claremont. Comment
  SDSU19986  Phacelia minor S. H. Bullock 1968-4-6 36 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  UCR238655  Phacelia minor Anuja Parikh, Nathan Gale 2010-6-21 3355 Los Angeles Transverse Range; San Gabriel Mountains, upper Shortcut Canyon, 0.4 km south of State Hwy 2 (Angeles Crest Hwy), 0.8 km southeast of intersection of State Hwy 2 with Upper Big Tujunga Canyon Road 1390 Comment
  RSA785875  Phacelia minor Doris Bowers 1957-5-12 899 Los Angeles Arroyo Seco, Pasadena. 305 Comment
  RSA305022  Phacelia parryi John O Leary 1979-4-23 s.n. Los Angeles 0.5 mile E of Charmlee Park and 0.25 mile N or Encinal Canyon Road 579 Comment
  RSA0092234  Phacelia ramosissima R. G. Swinney 2011-5-12 14681 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
  UCR258951  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 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
  RSA653921  Phacelia ramosissima var. latifolia Valerie L. Soza, Wayne Law, Laura Moore 2000-6-28 1038 Los Angeles San Gabriel Mountains: Northwestern extension of Pine Mountain, 0.1 mile east of junction with Rincon Red Box Road (FS Road 2N24.2) and road to Pine Mountain (FS Road 2N24A) along fire road. 1280 Comment
  UCD88040  Phalaris aquatica Jack Delaini; Barbara Shervanick 1974-5-23 209 Los Angeles Angeles National Forest. San Dimas Experimental Forest. Lodi Canyon. E ridge of canyon. 838 Comment
  UCD89058  Phalaris minor Katharine Brandegee 1916-5-1 s.n. Los Angeles Catalina Island. Comment
  SD217312  Pholistoma auritum Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4359 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  RSA459249  Pholistoma auritum var. auritum Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. 457 Comment
  SEINET5499611  Pholistoma racemosum G. B. Grant 1904-1 831 /3671 Los Angeles Santa Catalina Island in the Pacific Ocean Comment
  UC455948  Pholistoma racemosum I. J. Condit 1911-3-27 Los Angeles Santa Catalina Island Comment
  CATA2842  Pholistoma racemosum M. B. Dunkle 1939-4-6 7309 Los Angeles San Clemente Island: Mosquito Harbor 0 Comment
  RSA0087088  Phoradendron bolleanum R. G. Swinney 2010-6-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  UC519988  Phoradendron macrophyllum Louis C. Wheeler 1932-1-8 432 Los Angeles 2 mi. s.w. Glendora 198 Comment
  CAS-BOT-BC141299  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1994-9-21 8317 Los Angeles Sanberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountains 1277 Comment
  RSA603678  Phoradendron villosum Steve D. Boyd 1997-9-17 10044 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
  UC848909  Phoradendron villosum I. W. Clokey and B. C. Templeton 1930-4-8 4719 Los Angeles San Francisquito Canyon 800 Comment
  RSA683944  Phyllospadix scouleri E. Yale Dawson 1957-7-1 17268 Los Angeles Malibu Beach at Latigo Shore Road. Station # 19. Comment
  RSA683945  Phyllospadix scouleri E. Yale Dawson 1957-2-10 16052 Los Angeles Malibu Beach at end of Latigo Shore Road Road Comment
  RSA683953  Phyllospadix scouleri E. Yale Dawson 1957-11-7 17728 Los Angeles Dead Man s Cove. Portuguese Point. Comment
  RSA683986  Phyllospadix torreyi E. Yale Dawson 1948-11-19 5573 Los Angeles Palos Verdes Headland. Comment
  UC1129871  Pickeringia montana var. montana P. L. Johannsen 1934-1-11 221 Los Angeles Saddle Peak Calabasas Quadrangle Comment
  UC1134083  Pinus flexilis H. A. Jensen 1933-6-1 311 Los Angeles Mt. Baden-Powell (North Baldy); Angeles National Forest, Rock Creek Quadrangle, Mt. Baden-Po 2834 Comment
  RSA650250  Pinus halepensis Rudolf Schmid 1961-4-26 s.n. Los Angeles Episcopal Church, First Ave, Arcadia. Comment
  UC167  Pinus monophylla H. M. Hall Jun 3 1900-Jun 6 1900 Los Angeles Lone Pine Canyon San Antonio Mountains, Lone Pine Canyon 1524 Comment
  CATA260  Piperia cooperi Mark L. Hoefs, A. Douglas Propst 1973-5-4 266 Los Angeles Santa Catalina Island: By road above Fourth of July Cove 30 Comment
  SBBG119433  Plagiobothrys acanthocarpus S. D. White with S. Leatherman, D. Bramlet, A. Oneal, W. Sangkatavat 2001-4-24 8414 Los Angeles Grasshopper Cyn area near Castaic Lake 518 Comment
  IRVC26446  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, et al. 2003-3-4 25704 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA714514  Plagiobothrys canescens A. C. Sanders 2003-4-16 26028 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  SBBG116998  Plagiobothrys canescens S. A. Junak 2001-5-3 SCa 1468 Los Angeles just N of Airport Rd, above head of Swain's (Swain) Cyn 408 Comment
  RSA591994  Plagiobothrys canescens var. catalinensis Mark Hoefs 1974-3-28 422 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  UCR86522  Plagiobothrys collinus var. gracilis T. S. Ross 1992-4-16 6204 Los Angeles Channel Islands, Central part of San Clemente island; 289 degrees WNW, 680 m distant from 1603 ft. peak above Stone Station 416 Comment
  CHSC35053  Plagiobothrys leptocladus R. Schlising; R. Banchero 1981-4-17 4033 Los Angeles NW of Oroville along Cottonwood Road, ca. 0.4 mile E of jct with Hwy 99. Roadside vernal pools. 41 Comment
  RSA177838  Plantago coronopus Robert F. Thorne, Percy C. Everett 1965-5-11 34544 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  SBBG98634  Plantago erecta T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5333 Los Angeles between Box and Horse Cyns 484 Comment
  UCR143208  Plantago erecta F. R. Fosberg 1931-3-25 S- 4360 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 140 Comment
  RSA402027A  Plantago erecta Robert Gustafson, Christopher Davidson 1977-4-20 410 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  RSA602960  Plantago lanceolata Mark Hoefs 1996-5-27 2713 Los Angeles Avalon Canyon road, below Bird Park. 55 Comment
  UCR68934  Plantago ovata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4219 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA659809  Plantago ovata var. insularis Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 104 Los Angeles San Clemente Island. Comment
  JEPS3453  Plantago patagonica Alice M. Ottley 1920-5-3 591 Los Angeles Little Tujunga Wash Comment
  SD814  Platanthera dilatata var. leucostachys Ruth B. Randall Jul 1924 Los Angeles San Gabriel Canyon. Comment
  RSA601028  Platanthera leucostachys Louis C. Wheeler 1966-9-21 8913 Los Angeles San Gabriel Mountains. Lily Spring. 2470 Comment
  RSA0022991  Platanthera sparsiflora Duncan S. Bell, Caitlin Elam 2013-8-1 5563 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  LA33807  Platanus racemosa Henry J. Thompson; 1959-3-14 1862 Los Angeles Santa Monica Mountains, San Nicholas Canyon, Pacific Coast Hwy 1 mi W of Decker Canyon Rd 30 Comment
  UC527602  Platanus racemosa C. B. Wolf 1931-6-25 2234 Los Angeles wash sw Los Angeles Botanic Garden (along Beverley Blvd. (Mandeville Canyon)) 60 Comment
  UCR108661  Platanus racemosa L. C. Wheeler 1961-6-13 7881 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR193638  Platanus racemosa A. C. Sanders 2008-7-10 35728 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
  CAS-BOT-BC91663  Platystemon californicus Geo. B. Grant 1901-3-10 s.n. Los Angeles Garvanza. Comment
  JEPS51622  Platystemon californicus Mrs. Harriet P. Kelley 1919-3-23 Los Angeles sent from Selma Comment
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Jun 12 2012
  SBBG70061  Platystemon californicus R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UCR184117  Plectritis ciliosa subsp. insignis A. C. Sanders, T. B. Salvato 2007-4-24 33496 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  RSA599096  Poa annua V. W. Steinmann 1996-5-6 856 Los Angeles Pomona, north of Route 10 at 1171 E. LaVerne Ave. (between Mountain Ave. and San Antonio Ave.) 300 Comment
  SEINET10517034  Poa annua H. Lewis 1941-3-19 Lewis UMO 46065 Los Angeles Faculty Hill, UCLA Campus. Comment
  RSA776171  Poa palustris Orlando Mistretta, Christine Mistretta 2010-6-17 5331 Los Angeles Upper Big Tujunga canyon; Alder Creek; 0.4 miles upstream (NW) of creek crossing at Upper Big Tujunga Canyon Road. 1025 Comment
  SEINET10921025  Poa scabrella Joseph A. Ewan 1932-6-15 Ewan 7348 Los Angeles Moist sand along drying open creek bed 1/2 mile above Horse Flats, Pine Flats Region. San Gabriel Mts. Arid transition zone. 1707 Comment
  POM16505  Poa secunda Le Roy Abrams 1901-04 1475 Los Angeles Santa Monica Mountains Comment
  POM21193  Poa secunda P. A. Munz 1923-4-10 6708 Los Angeles San Clemente Island. Comment
  RSA484215  Poa secunda Anstruther Davidson 1890-1 s.n Los Angeles Los Angeles Comment
  RSA545331  Poa secunda Timothy S. Ross 1992-4-14 6154 Los Angeles San Clemente Island. Central E side of island; just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  UCSB72279  Poa secunda subsp. secunda Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road Comment
  UCR11363  Polycarpon tetraphyllum O. F. Clarke 1968-9-14 s.n. Los Angeles Los Angeles, 2921 S Sepulveda Blvd, near the interchange of the Santa Monica (I-10) and the San Diego (405) Fwy 39 Comment
  SEINET11946399  Polycarpon tetraphyllum S. A. Thompson 1999-3-28 15390 Los Angeles Beverly Hills Comment
  SD253530  Polygonum aviculare R. G. Swinney 2011-10-27 15902 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 meters east of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 648 Comment
  RSA464420  Polygonum aviculare subsp. aviculare H. L. Bauer 1929-1 s.n. Los Angeles Long Beach. Comment
  RSA652779  Polygonum capitatum Monica Acosta 1998-5-19 38 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  RSA602463  Polygonum hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  POM50451  Polygonum hydropiperoides L. R. Abrams 1901-08 2187 Los Angeles Ballona Creek. Comment
  UCR138493  Polygonum ramosissimum L. C. Wheeler 1976-3-20 s.n. Los Angeles Coastal Plain, Long Beach Harbor, Windham St. at Embarcadero St. 3 Comment
  CAS-BOT-BC71886  Polypodium californicum Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona Comment
  POM6567  Polypodium californicum George B. Grant s.n. Los Angeles Pasadena. Comment
  RSA762449  Polypodium californicum R. G. Swinney 2009-2-20 10004 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR216371  Polypodium californicum Dan S. Cooper 2010-5-10 510- 48 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., upper Oak Canyon, Griffith Park 221 Comment
  UCSB62287  Polypodium californicum Kiefer, Lawrence 1967-3-4 Los Angeles San Gabriel Mtns., SW of Strawberry Peak, Colby Canyon, ca. 0.25mi upstream from Hwy 2 1066 Comment
  UCSB62308  Polypodium californicum Kiefer, Lawrence 1966-12-10 Los Angeles San Gabriel Mtns., NW Pacoima Reservoir US Forest Service Rd 3W17, ca. 1mi SW of Bear Divide Station; ravine W of road 914 Comment
  SEINET3245928  Polypogon interruptus R. G. Swinney 2005-1 8386 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1439 Comment
  UC729670  Polypogon monspeliensis Carl B. Wolf 1932-5-9 3427 Los Angeles on road to Pebbly Beach 1/2 mi from Avalon Santa Catalina Island (Santa Catalina Island); , rd to Pebbly Beach 7 Comment
  LA10121  Polypogon monspeliensis Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA10124  Polypogon monspeliensis M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA10307  Polypogon viridis Marjorie Bowler; 1937-9-24 sn Los Angeles campus, UCLA mudhole in parking lot Comment
  RSA774841  Polypogon viridis R. G. Swinney 2009-6-12 11148 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR258523  Polystichum imbricans R. G. Swinney 2010-8-9 13480 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  RSA729890  Polystichum imbricans subsp. curtum R. G. Swinney 1998-8-30 6858 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  UC42169  Polystichum imbricans subsp. curtum W. H. Brewer 1860-12-31 99 Los Angeles San Gabriel Mountains, from Camp No. 4 1219 Comment
  RSA587120  Polystichum imbricans subsp. imbricans Orlando Mistretta 1995-5-23 1727 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1372 Comment
  RSA681338  Populus balsamifera subsp. trichocarpa LeRoy Gross, Valerie Soza 2003-5-15 919 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 366 Comment
  HSC12497  Populus fremontii subsp. fremontii Wendell Wood 1970-6-22 33 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  UCD138246  Potamogeton crispus Mike Grayum; Daryl Koutnik 1977-11-7 844 Los Angeles where Crags Road crosses Malibu Creek, at confluence of Las Virgenes Creek Century Ranch, Santa Monica Mountains. 152 Comment
  RSA85766  Potentilla glandulosa subsp. nevadensis F. W. Peirson 1921-7-17 2678 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2058 Comment
  UC1334683  Prunus fasciculata R. S. Woglum 1935-5-6 729 Los Angeles Palmdale, ne Los Angeles County Palmdale Comment
  RSA0094388  Prunus ilicifolia Richard G. Swinney 2011-5-31 14935 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
  RSA659950  Prunus ilicifolia subsp. ilicifolia Orlando Mistretta 1992-5-18 348 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SBBG13619  Prunus ilicifolia subsp. lyonii P. H. Raven 1962-5-2 17828 Los Angeles near mouth of Cherry Cyn Comment
  UCR26205  Prunus virginiana John C. Roos 1947-5-31 3659 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  CATA3139  Pseudognaphalium beneolens Sarah Ratay 2010-9-1 132 Los Angeles Santa Catalina Island: Near junction of Parsons Landing Road and West End Road 74 Comment
  UCSB7168  Pseudognaphalium beneolens Philbrick, Ralph 1954-9-30 Los Angeles South slope of San Antonio Canyon 701 Comment
  RSA295256  Pseudognaphalium biolettii C. R. Parks 1963-9-2 123 Los Angeles along east-facing ridge near Hoegees Campground on Winter Creek, above Chantry Flat in the Santa Anita Canyon. 1066 Comment
  UCD135043  Pseudognaphalium biolettii J. Warren 1952-3-24 s.n. Los Angeles Faculty Hill, UCLA. 121 Comment
  LA91511  Pseudognaphalium californicum Bruce Douglas Clayton; Greg Clayton 1972-5-11 111 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, S side of Castle 548 Comment
  RSA0115966  Pseudognaphalium californicum R. G. Swinney 2010-4-23 13579 Los Angeles San Gabriel Mountains: Mt. Zion Summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  SDSU3731  Pseudognaphalium californicum H. Wedberg 1966-4-3 1201 Los Angeles Above Hill Drive. x Neal, in Eagle Rock. 457 Comment
  RSA0021959  Pseudognaphalium luteoalbum Duncan S. Bell, Caitlin Elam 2013-6-24 5290 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  SEINET3145214  Pseudognaphalium stramineum G. B. Grant 518 Los Angeles Pasadena Comment
  UCR271257  Pseudognaphalium stramineum R. G. Swinney 2011-5-12 14716 Los Angeles San Gabriel Mountains, along Cabin Canyon Creek near the confluence with Aliso Canyon 1195 Comment
  RSA0048469  Psoralea macrostachya Lee Haines 1935-7-13 s.n. Los Angeles Big Dalton Canyon, San Gabriel Mountains. Comment
  UCR210122  Pteridium aquilinum R. G. Swinney 2008-10-16 9610 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  LA94227  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-12 1711 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, ca 0.25 mi from mouth. 91 Comment
  RSA0011719  Pteris vittata Scott D. White 1997-5-8 5081 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA744262  Pterospora andromedea R. G. Swinney 2001-8-27 8106 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area. 2463 Comment
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Apr 20 2010
  POM6862  Pterostegia drymarioides P. A. Munz 1919-3-8 2295 Los Angeles Pomona. Comment
  RSA674793  Pterostegia drymarioides Scott D. White 2000-5-16 7837 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA713815  Pterostegia drymarioides A. C. Sanders, Helen Kennedy 2005-4-13 29455 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA732718  Pterostegia drymarioides A. C. Sanders 2003-4-29 26184 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, N of Charlie Canyon and E Lake Hughes Rd. 396 Comment
  UCR280677  Pterostegia drymarioides R. G. Swinney 2014-5-21 16637 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
  RSA749035  Purshia glandulosa R. G. Swinney 2008-5-2 8743 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  CAS-BOT-BC158660  Purshia tridentata var. glandulosa Clare B. Hardham 1959-6-16 4874 Los Angeles Dry wash near Pear Blossom Comment
  UC486360  Pycnanthemum californicum Ruth B. Randell Jul 1931 42 Los Angeles Big Rock Creek Comment
  JEPS93445  Quercus E. R. Blakley 1962-10-5 5464 Los Angeles Middl Ranch Corral in Middle Ranch Canyon (Santa Catalina Island); California Channel Islands, Santa Catalina Island 198 Comment
  RSA717700  Quercus Gary D. Wallace 1987-5-5 2647 Los Angeles Monrovia. Gold Hill. Comment
  UCD56634  Quercus John M. Tucker 1992-3-30 s.n. Los Angeles California, Los Angeles Co.; Santa Catalina Island, in canyon behind Haypress Reservoir, roughly 2 mi. west of Avalon, 381 Comment
  SDSU6973  Quercus X grandidentata A. H. Gallup 1947-10-17 65 Los Angeles At mouth of Monrovia Canyon in wash. 229 Comment
  UCSB27958  Quercus X grandidentata Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona, California 274 Comment
  UC848119  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebble Beach Canyon, left fork Santa Catalina Island 40 Comment
  PASA63  Quercus agrifolia Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  LA91429  Quercus berberidifolia Bruce Douglas Clayton; 1972-3-30 29 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway out Drawbridge firebreak. 609 Comment
  UCSB34840  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  RSA0046923  Quercus berberidifolia Rosemarie Beline 1941-07 s.n. Los Angeles Santa Suzanna [Susana] Pass. Comment
  CAS-BOT-BC62533  Quercus chrysolepis Louis C. Wheeler 1931-11-8 339 Los Angeles San Antonio Canyon, San Gabriel Mts. 944 Comment
  JEPS97689  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 975 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  RSA664090  Quercus chrysolepis Marianne Marshall 1981-5-29 33 Los Angeles Ca. Hwy 39, 14.5 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  SBBG17868  Quercus chrysolepis P. H. Raven 1962-5-10 17726 Los Angeles head of Horse Cyn, large cyn W of Thirst 487 Comment
  SBBG26453  Quercus chrysolepis R. F. Thorne with M. Z. Thorne 1966-5-31 36418 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 426 Comment
  UCR206272  Quercus chrysolepis R. G. Swinney 2008-6-10 8996 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR220369  Quercus chrysolepis R. G. Swinney 2009-4-16 10365 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  SEINET12034290  Quercus chrysolepis Unknown 1927-1 9- 9 -48 Los Angeles road from Mt Lowe Tavern, Mt Lowe, to observatory on Mt. Wilson,near Los Angeles Comment
  UCSB27897  Quercus douglasii R. Gill 1959-3-24 55 Los Angeles RIDGE ROUTE OAK FLAT GUARD STATION 822 Comment
  CAS-BOT-BC86383  Quercus dumosa Marcus E. Jones 1882-2-27 3034 Los Angeles Pasadena Comment
  CAS-BOT-BC86400  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Santa Catalina Island Comment
  UCD45853  Quercus dumosa J. Ewan 1931-10-24 5259 a Los Angeles Dominant plant on warm slope series of 3 forms (5259 abc) collected on acre area. One mile above Malibu Lake on Seminole Springe Rd., Los Angeles Co. Santa Monica Mts. Comment
  UCSB34856  Quercus dumosa R. Lloyd 1959-3-3 12 Los Angeles IN GANESHA HILLS POMONA (NEAR CORNER OF HILLCREST AND N HILL RD) 274 Comment
  UCSB68636  Quercus durata Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains; Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale; following fire break up to main crest (to Beaudry fire road) 304 Comment
  RSA584052  Quercus durata var. gabrielensis Tim S. Ross 1991-4-25 4571 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  RSA708556  Quercus engelmannii Valerie L. Soza, LeRoy Gross 2001-5-9 1198 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
  RSA733151  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 188 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  UCR129922  Quercus john-tuckeri Orlando Mistretta 1994-9-21 1482 Los Angeles San Gabriel Mtns, Santiago Canyon. At junction of Forest Service Road 4N20 with Santiago Creek 1220 Comment
  RSA0073277  Quercus kelloggii Bonnie C. Templeton 1932-5-31 4843 Los Angeles Between Big Pines Camp and Jackson Lake, Angeles Natl. Forest. Comment
  RSA155820  Quercus pacifica Peter H. Raven 1962-5-21 17805 Los Angeles Santa Catalina Island, Upper Bullrush Canyon. 259 Comment
  RSA476558  Quercus pacifica F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest, Middle Ran[ch] Canyon, Santa Catalina Island. 180 Comment
  UC1281415  Quercus pacifica H. E. McMinn 1924-7-25 1312 Los Angeles Catalina Island Comment
  CAS-BOT-BC257780  Quercus tomentella P. S. Manos 1988-10-28 687 Los Angeles San Clemente Island, just S of Vista Canyon and N of Eagle Canyon 243 Comment
  SBBG13049  Quercus tomentella P. H. Raven 1962-5-10 17720 Los Angeles N of Gray 487 Comment
  SBBG43935  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SD86327  Quercus tomentella R. Mitchel Beauchamp, M. Douglas 1972-3-24 3255 Los Angeles San Clemente Island, south slope of Eagles Canyon 449 Comment
  CAS-BOT-BC104863  Quercus wislizeni G. B. Grant 1904-5-18 6229 Los Angeles Summit Mt. Wilson 1828 Comment
  LA205336  Quercus wislizeni D. Bradbury; Jonathan Sauer, L. Wester 1969-10-19 4653 Los Angeles San Gabriel Mountains, Mount Pacifico 1981 Comment
  RSA729924  Quercus wislizeni var. frutescens R. G. Swinney, Dave Larson 1998-4-26 6044 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  RSA87153  Quercus wislizeni var. frutescens F. W. Peirson 1919-5-10 403 Los Angeles Trail from Arraster [Arrastre] Creek to Mt. Gleason, San Gabriel Mts 1524 Comment
  CAS-BOT-BC362476  Rafinesquia californica Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA472410  Rafinesquia californica M. B. Dunkle 1929-10-20 2149 Los Angeles Howland's, Santa Catalina island. Comment
  POM329  Ranunculus californicus P. A. Munz 1918-4-5 2019 Los Angeles Pomona. Comment
  SD80169  Ranunculus californicus R. S. Woglum 1930-5-10 Los Angeles North Hollywood Comment
  UC118240  Ranunculus hebecarpus T. S. Brandegee 1890-5-13 Los Angeles Santa Catalina Island Comment
  SEINET10841813  Rhamnus californica Walter H. Lewis 1991-6-13 Lewis 14926 Los Angeles San Gabriel Mountains, San Antonio Canyon, Mt. Baldy Rd., near Hog Back turnoff. 1146 Comment
  SEINET13203277 Image available Rhamnus californica subsp. californica R. G. Swinney 2011-1 14771 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  UC1584931  Rhamnus californica subsp. californica Tim Ross and Steve Boyd 1991-7-24 5656 Los Angeles Granite Mountain San Gabriel Mountain Range, Chilao Flat U.S.G.S. 7.5' Quad. 1975 Comment
  UC1602368  Rhamnus californica subsp. californica I. M. Johnston 1917-8-22 1709 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, San Gabriel River 1981 Comment
  RSA0005514  Rhamnus catalinae Theodore Payne 1909-10-11 2344 Los Angeles Catalina Island Comment
  JEPS42044  Rhamnus crocea E. M. Harvey 1932-3-12 Los Angeles n of Baldwin Park; San Gabriel Wash Comment
  RSA640802  Rhamnus crocea Louis C. Wheeler 1931-3-30 s.n. Los Angeles Base of San Gabriel Mountains: Thompson Creek Wash. Comment
  RSA651858  Rhamnus crocea Daniel Curran 1981-2-25 40 Los Angeles San Dimas Canyon Rd. 0.3 miles S of San Dimas Dam. Comment
  RSA724529  Rhamnus crocea K. Dobry 1991-6-13 d- 705 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  CAS-BOT-BC59842  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1991-4-25 4604 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower e. fk. of the San Gabriel River at ca 1540' elev.) 530 Comment
  RSA391044  Rhamnus ilicifolia John P. Hill 1932-7-19 s.n. Los Angeles Verdugo Woodlands Comment
  RSA391045  Rhamnus ilicifolia Mable Emler 1929-7-30 s.n. Los Angeles Topanga Canyon. Comment
  UC1121850  Rhamnus ilicifolia R. St. John 1930-1-18 70 Los Angeles w of Parmount Studio; Triunfo Pass 274 Comment
  UCR119287  Rhamnus ilicifolia A. C. Sanders, D. Malueg 1998-6-22 22050 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR259632  Rhamnus ilicifolia R. G. Swinney 2010-3-30 12123 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
  RSA3559  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  SBBG105503  Rhamnus pirifolia R. F. Thorne 1966-9-16 36718 Los Angeles Renton Mine Rd, near upper end Pebbly Beach Cyn 259 Comment
  UCR184096  Rhamnus tomentella A. C. Sanders 2007-4-13 33408 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  RSA579509  Rhamnus tomentella subsp. cuspidata Tim S. Ross, S. D. Boyd 1994-6-23 8027 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  SBBG71098  Rhus aromatica R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  LA200133  Rhus integrifolia Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  RSA386475  Rhus integrifolia F. R. Fosberg 1931-3-18 S- 4286 Los Angeles Hamilton Canyon, Santa Catalina Island. 20 Comment
  RSA650222  Rhus integrifolia Brent Mishler 1977-9-11 s.n. Los Angeles San Gabriel River Wash - Irwindale. Comment
  UCR172735  Rhus integrifolia Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  UCSB16259  Rhus integrifolia Hennen, Diane 1963-3-9 Los Angeles Nature Trail of Glendale Junior College in Glendale 152 Comment
  RSA0062682  Rhus laurina Matt Bogdanoff 1981-5-31 43 Los Angeles Big Dalton Canyon Road, 0.7 mi E of junction with Glendora Mountain Road, N of Glendora. 365 Comment
  CAS-BOT-BC167949  Rhus ovata Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  CATA1473  Rhus ovata Mark L. Hoefs, Robert F. Thorne 1996-4-6 2663 Los Angeles Santa Catalina Island: Upper Avalon Canyon, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  RSA584020  Rhus ovata T. S. Ross, Steve D. Boyd 1991-4-25 4576 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  UCR210484  Rhus ovata R. G. Swinney 2008-11-30 9894 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  RSA012640  Ribes aureum Fay A. MacFadden 1930-04 1281 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  UCSB2599  Ribes aureum Ballard 1954-2-16 Los Angeles Pomona College; Claremont 259 Comment
  CAS-BOT-BC92451  Ribes aureum var. gracillimum Roxana S. Ferris 1941-3-10 10323 Los Angeles First Tributary in Pico Canyon, Santa Susana Mountains, near U.S. Highway #99. 411 Comment
  RSA162691  Ribes aureum var. gracillimum J. D. Olmsted 1959-2-23 s.n. Los Angeles Blanchard Park, Pomona College Campus near Claremont, near E boundary LA, Foot of San Gabriel Mts. 366 Comment
  RSA476432  Ribes aureum var. gracillimum L. E. Hoffman 1932-3-8 s.n. Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA503445  Ribes aureum var. gracillimum Louis C. Wheeler 1967-5-2 9279 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. Baker Ranch on Los Angeles County firearms closure map. 396 Comment
  RSA602050  Ribes aureum var. gracillimum Scott D. White 1997-5-7 5068 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  CAS-BOT-BC93087  Ribes californicum var. hesperium A. J. McClatchie 1893-6-2 128 Los Angeles Near Pasadena. Comment
  HSC24466  Ribes cereum R. F. Thorne, M. Z. Thorne 1969-7-9 38577 Los Angeles Angeles National Forest, at Big Pines 2073 Comment
  UCSB33260  Ribes divaricatum var. parishii Miller, Brian 1963-3-9 Los Angeles Whittier Narrows; San Gabriel River; Pico Pivera 121 Comment
  CAS-BOT-BC173111  Ribes indecorum C. F. B. 1904-2-17 4009 Los Angeles Claremont Comment
  SD90309  Ribes indecorum Robert F. Thorne, M. Z. Thorne 1972-1-30 42173 Los Angeles San Gabriel Mountains; Johnson's Pastures north of Claremont. 548 Comment
  RSA0025042  Ribes indecorum Ora M. Clark 1929-3-24 1785 Los Angeles Santa Susanna Mountains, So. Calif. Comment
  CAS-BOT-BC173445  Ribes malvaceum Peter H. Raven 1959-2-15 13781 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  RSA166486  Ribes malvaceum var. viridifolium W. G. Webb 1935-2-23 s.n. Los Angeles Santa Anita Canyon Comment
  RSA729925  Ribes malvaceum var. viridifolium R. G. Swinney, Dave Larson 1998-4-26 6043 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  SD114018  Ribes malvaceum var. viridifolium Darley F. Howe Mar 1915 Los Angeles San Dimas Canyon. Comment
  CAS-BOT-BC219185  Ribes nevadense Robert F. Thorne; J. Dourley 1967-10-10 37365 Los Angeles 1.5 miles E of Dawson Saddle, San Gabriel Mountains, Angeles National Forest 2331 Comment
  RSA0112763  Ribes nevadense R. G. Swinney 2010-9-30 13903 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  UCR99471  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  RSA587274  Ribes roezlii Tim S. Ross 1990-5-17 2553 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
  CAS-BOT-BC168659  Ribes speciosum John H. Thomas 1957-2-14 6484 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA476292  Ribes speciosum Ruth E. Hammond 1929-04 s.n. Los Angeles Verdugo Woodland Comment
  SBBG72092  Ribes speciosum M. N. Ackley -May-1927 995 Los Angeles Verdugo Hills, Glendale 274 Comment
  UCR124748  Ribes speciosum B. C. Templeton, I. W. Clokey 1930-4-2 1423 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  POM9722  Ribes speciosum P. A. Munz 1921-2-26 4686 Los Angeles South Hills (San Jose Hills) 5 miles east of Brea Canyon. 305 Comment
  SEINET3151846  Ribes tenuiflorum G. B. Grant, W. Wheeler 1904-5-7 1128 Los Angeles Glendora Comment
  CAS-BOT-BC173933  Ribes viburnifolium Blanche Trask 1900-4-1 s.n. Los Angeles Santa Catalina Island Comment
  PASA705  Ricinus communis Annetta Carter 1929-1-2 Los Angeles Near mouth of Big Santa Ana Comment
  RSA233592  Ricinus communis R. F. Thorne 1970-3-5 39353 Los Angeles Santa Catalina Island. NE slope of Blackjack Mt. at upper end of Swain's Canyon 396 Comment
  RSA648997  Ricinus communis Scott Lowe 1991-5-12 25 Los Angeles San Gabriel River channel, about 50 m. north of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  CAS-BOT-BC74536  Rorippa curvisiliqua Wesley O. Griesel 1961-5-30 s.n. Los Angeles Devils Gate Dam, Pasadena. 457 Comment
  UCR129415  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  CAS-BOT-BC147477  Rosa californica Alice Eastwood 1917-7-20 6461 Los Angeles Santa Catalina Island Comment
  POM122283  Rosa californica Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  RSA449698  Rosa californica Anstruther Davidson 1892-06 1829 Los Angeles Catalina Island. Comment
  SBBG95388  Rosa californica M. B. Dunkle 1928-5-13 1946 Los Angeles Middle Ranch Cyn, near stream Comment
  CDA15359  Rosmarinus officinalis A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Near summit of Mt. Wilson. Comment
  SEINET3157597  Rubus vitifolius G. B. Grant 1136 Los Angeles Pasadena Comment
  RSA466077  Rumex crispus Bonnie C. Templeton 1932-7-20 5013 Los Angeles Big Pines Park. 2092 Comment
  POM50454  Rumex hymenosepalus L. R. Abrams 1901-04 1399 Los Angeles La Cananda Comment
  UC1871341  Rumex hymenosepalus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4999 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  SBBG31073  Rumex salicifolius R. F. Thorne with D. Propst 1968-5-27 Los Angeles Middle Ranch Cyn Comment
  UCR246413  Rumex salicifolius Dan S. Cooper 2011-7-22 711- 86 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., just north of Hollywood Reservoir, adjacent to 'Toyon Tanks' water treatment facility, off Lake Hollywood Drive 243 Comment
  CAS-BOT-BC433922  Rumex salicifolius Peter H. Raven; Henry J. Thompson 1959-9-6 14403 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Along Malibu Creek near its mouth 12 Comment
  UC2048894  Rumohra adiantiformis R. E. Riefner Jr. 2016-9-24 16 -375 Los Angeles City of Venice, along Venice Blvd. between Lyceum Ave. and Walgrove Ave. Comment
  UC1215124  Salicornia subterminalis Peter H. Raven 1962-7-12 18039 Los Angeles beach just w North Head; San Clemente Island 6 Comment
  RSA748403  Salix exigua R. G. Swinney 2008-4-4 8605 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  SBBG58882  Salix exigua C. W. Sharsmith 1932-7-17 13 Los Angeles lower San Gabriel Cyn, ca. 9.5 km above Azusa 300 Comment
  UCR107256  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  UCR125257  Salix exigua A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25495 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR62108  Salix exigua R. G. Swinney 1990-3-5 1520 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Morgan Canyon debris basin 366 Comment
  SBBG131555  Salix exigua S. A. Junak 1999-7-16 SCa 1051 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach 27 Comment
  UC1375322  Salix exigua var. hindsiana Robert F. Thorne and C. W. Tilforth 1971-6-17 39884 Los Angeles 0.7 mi w Soledad Station (along Santa Clara R.); n slope San Gabriel Mts., Soledad Canyon 609 Comment
  RSA552563  Salix gooddingii D. Charlton 1991-4-16 4873 Los Angeles Lancaster, corner of 35 St. West, one block south of K. 701 Comment
  POM362610  Salix laevigata Robert Gustafson 1981-2-4 2099 Los Angeles Area 1, Ballona Wetlands. Comment
  RSA233608  Salix laevigata Robert F. Thorne 1970-3-6 39385 Los Angeles Santa Catalina Island: Ben Weston Beach (Mills Landing). 2 Comment
  SD1033  Salix laevigata Carl W. Sharsmith 1932-1-17 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km above Azusa 299 Comment
  UCR126598  Salix laevigata A. C. Sanders, Mark Elvin 2003-8-7 27159 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCR187196  Salix laevigata A. C. Sanders 2006-5-16 32325 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  POM362716  Salix lasiolepis Robin S. Collins 1973-3-11 208 Los Angeles Angeles Nationall Forest, Trail Canyon, ca. 1/2 miles along pack trail from start of trail. 610 Comment
  POM362722  Salix lasiolepis Charlotte Brown 1929-2-2 s.n. Los Angeles Verdugo Hills, Glendale Comment
  POM362750  Salix lasiolepis Ora M. Clark 1929-2-3 1498 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  UC1375350  Salix lasiolepis Robert F. Thorne 1971-6-26 39978 Los Angeles gully at Charlton Flats San Gabriel Mts., Angeles Nat'l Forest, Charlton Flats 1645 Comment
  UC482213  Salix lasiolepis Carl W. Sharsmith 1931-11-15 4 Los Angeles at foot of coastal headland near mouth of Topanga Canyon; Santa Monica Mts., Topanga Canyon 15 Comment
  UC482396  Salix lasiolepis Carl W. Sharsmith 1932-1-7 6 Los Angeles about 6 mi above Azusa (bottom of canyon); Lower San Gabriel Canyon 304 Comment
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Jul 28 2014
  UC506416  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7666 Los Angeles Ballona Marshes Comment
  CAS-BOT-BC107545  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 9 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  POM362683  Salix lucida subsp. lasiandra E. A. Purer 1935-5-11 6583 Los Angeles Ventura Boulevard, near Calabasas. Comment
  RSA92715  Salix lucida subsp. lasiandra Mabel Peirson 1925-3-1 9605 Los Angeles Arroyo Seco, west of Pasadena Comment
  CAS-BOT-BC126284  Salix sessilifolia S. Y. Parnay Mar. 233 Los Angeles Little [Tejunga Canon] Tujunga Canyon, near Burbank Comment
  CATA3227  Salsola tragus Schylar Gholson, Margie Pfeffer, Julia Parish 2016-8-1 1 Los Angeles Santa Catalina Island: Junction of Lands End, West End, and Silver Peak roads 198 Comment
  UCR210416  Salsola tragus R. G. Swinney 2008-12-6 9977 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA0088140  Salsola tragus Steven A. Junak, Keri Kirkland, Margie Bushman 1998-10-21 SCa- 817 Los Angeles Santa Catalina Island. Along road to White's Landing, 1.6 road miles inland from beach. 152 Comment
  SBBG51655  Salsola tragus M. R. Benedict 1971-6-27 Los Angeles apron of runway, near Northwest Harbor Comment
  RSA0096979  Saltugilia splendens subsp. grantii Richard G. Swinney 2011-5-31 14908 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
  UCR223587  Saltugilia splendens subsp. grantii R. G. Swinney 2009-6-8 11066 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
  UCR272597  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-7 15449 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
  RSA401638B  Salvia apiana William Emboden 1970-6-12 44 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA442840  Salvia apiana William Emboden 1969-5-28 26 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442856  Salvia apiana William Emboden 1969-5-28 46 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SDSU7467  Salvia carduacea D. R Harvey 1954-4-24 Los Angeles Antelope Valley. 718 Comment
  RSA648743  Salvia columbariae Kelly Middleton, David Middleton 1988-5-8 21 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Rd. intersection 1220 Comment
  RSA14199  Salvia columbariae Carl B. Wolf 1926-5-15 180 Los Angeles Foothills of San Gabriel mts, above Monrovia Comment
  RSA651686  Salvia columbariae Warren Crawford 1969-5-15 s.n. Los Angeles San Gabriel Canyon, second dam. [Hwy 39] Comment
  POM49970  Salvia dorrii var. pilosa A. D. E. Elmer 1902-06 3696 Los Angeles Vincent. Comment
  RSA446283  Salvia dorrii var. pilosa Robert M. Perkins 1919-5-30 s.n. Los Angeles Big Rock creek, Antelope Valley. Comment
  CAS-BOT-BC233666  Salvia leucophylla L. A. Greata 1901-5-1 s.n. Los Angeles Pasadena Comment
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Feb 24 2018
  SFV3220  Salvia leucophylla J. C. Crawford 1958-5-4 s. n. Los Angeles San Gabriel Mountains Bouquet Canyon. 460 Comment
  SFV4260  Salvia leucophylla W. A. Emboden, Jr. 1962-5-6 2058 b Los Angeles Santa Monica Mountains Mulholland Drive, 1 mile west of Roscomare Drive [Road]. 365 Comment
  UC1124756  Salvia leucophylla F. H. Raymond 1930-1-13 30 Los Angeles Head of Pueroc Canyon; Calabasas Quad. 213 Comment
  CAS-BOT-BC229498  Salvia mellifera Tim Ross; Steve Boyd 1991-4-25 4578 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River 865 Comment
  CHSC25043  Salvia mellifera L. M. Mayer; I. J. Mayer 1974-4-10 155 Los Angeles On Bouquet Canyon Rd. ca. 1 1/2 mi e of intersection with Vasquez Canyon Road on n side of road. Comment
  RSA302283  Salvia mellifera Lyman Benson 1957-5-23 15731 Los Angeles Webb School, above Claremont. 488 Comment
  UC1124783  Salvia mellifera F. H. Raymond 1930-3-1 51 Los Angeles San Rafael Mountains; Pasadena Quad. 365 Comment
  UC147937  Salvia mellifera C. F. Baker 1909-5-15 5321 Los Angeles San Antonio Canyon; Claremont Comment
  RSA651044  Salvia mellifera C. J. Humphrey 1936-6-5 s.n. Los Angeles N. Los Angeles. Comment
  RSA739274  Salvinia oblongifolia Richard E. Riefner 2008-7-28 08 -251 Los Angeles Harbor City, Bixby Slough, vicinity of Dodge St. at 255th St. 11 Comment
  RSA157777  Sambucus mexicana P. H. Raven 1962-5-9 17697 Los Angeles Canyon just north of Gray, San Clemente Island 305 Comment
  RSA584847  Sambucus mexicana T. S. Ross 1993-6-1 7362 b Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  UC1348870  Sambucus mexicana Robert F. Thorne 1966-4-28 36210 Los Angeles Renton Mine Rd Santa Catalina Island, Pebbly Beach Canyon (upper end) 259 Comment
  UCR206413  Sambucus mexicana R. G. Swinney 2008-6-9 8955 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR215157  Sambucus mexicana Kimberly Doughty, Darran Doughty 2008-5-24 10 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  UCR40970  Sambucus mexicana A. C. Sanders 1985-7-25 5945 Los Angeles San Gabriel Mtns., along Hwy 2 at Buckhorn Flat Campground, c. 20 mi west of Wrightwood, below Mt. Waterman 2134 Comment
  IRVC26184  Sambucus mexicana A. C. Sanders 2003-5-1 26256 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  RSA477575  Sambucus mexicana Perkins 1935-4-5 s.n. Los Angeles Pasadena Canyon. open hillside. Comment
  CAS-BOT-BC238744  Sambucus nigra subsp. caerulea I. M. Johnston 1917-7-31 1549 Los Angeles San Antoino Mountains. Head of Icehouse Canon [Canyon] 2499 Comment
  UCR276731  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-21 13851 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  SEINET4044457 Image available Sanicula arguta D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 182 Comment
  RSA534066  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5260 -b Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  UC303477  Sanicula bipinnata I. M. Johnston 1918-5-19 2003 Los Angeles Hills s of Pomona; Southern California 365 Comment
  POM308897  Sanicula bipinnatifida Kay H. Beach 1943-4-22 641 Los Angeles Dalton firebreak, San Dimas Experimental Forest. Comment
  UCR280659  Sanicula crassicaulis R. G. Swinney 2014-5-21 16623 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
  UCR247279  Sanicula tuberosa Dan S. Cooper 2013-3-17 313- 53 Los Angeles Western Transverse Range; Hollywood Hills, Los Angeles, Royce Canyon in Griffith Park, off Mt. Hollywood Dr. 297 Comment
  UCR229507  Sapium sebiferum Kai T. Palenscar, Dwight Williams 2011-8-24 s.n. Los Angeles South Coast; Los Angeles Basin, Whittier, San Gabriel River c. 300 m west of 605 Fwy overpass, NE of 60 Fwy, south side of river course 71 Comment
  RSA0114941  Sarcodes sanguinea R. G. Swinney 2011-7-29 15588 Los Angeles San Gabriel Mountains; ridge immediately west of Lily Spring, c. 100 m. south of Hwy 2/ Angeles Crest Hwy, north slope of Mt. Hawkins. 2317 Comment
  RSA527686  Schedonorus arundinaceus Timothy S. Ross, Annette Ross 1991-6-3 5514 Los Angeles Elephant Hill; west Pomona. 250 Comment
  SD252262  Schismus Steven A. Junak 1999-4-24 Sca 859 Los Angeles Santa Catalina Island: Plant stop, main road, S facing slope adjacent to road. 445 Comment
  RSA598085  Schismus arabicus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3780 Los Angeles Vicinity of Crystal Lake 1677 Comment
  UCR132230  Schismus arabicus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, north of Calif. Hwy 18 at the boundary of Los Angeles and San Bernardino Counties in Antelope Valley 1037 Comment
  CAS-BOT-BC243450  Schismus barbatus Steven R. Hill; Kate Kramer 2001-4-22 33346 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz RAnch Road, 2.6 miles west of junciton with 120th Street WEst, about 15 miles due northwest of Palmdale 804 Comment
  LA33907  Schoenoplectus americanus Peter H. Raven; 1959-10-25 14712 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 4.1 mi N of Pacific Coast Hwy along Malibu Creek. 91 Comment
  RSA0030665  Schoenoplectus maritimus Denise Knapp 2006-8-23 S.N. Los Angeles Santa Catalina Island. Cherry Valley. Comment
  SFV622  Scirpus acutus var. occidentalis K. A. Wilson 1961-4-29 1174 Los Angeles San Gabriel Mountains Big Rock Creek. In small, marshy area. 1200 Comment
  SEINET3913204  Scirpus acutus var. occidentalis Timothy S. Ross, Steve Boyd 1994-5-24 7840 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
  RSA776783  Scirpus microcarpus Orlando Mistretta, Christine Mistretta 2010-6-8 5280 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  RSA188495  Scirpus microcarpus Robert F. Thorne, John Olmsted 1965-8-26 35419 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River 1585 Comment
  POM4463  Scrophularia californica D. L. Crawford, Otis Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mts, Topanga Canyon Comment
  RSA0051761  Scrophularia californica Wilbur Deeds, Lapietra 1951-5-10 s.n. Los Angeles Escondido Canyon. Comment
  SDSU11022  Scrophularia californica A. H. Gallup 1948-6-30 153 Los Angeles Webb Canyon - 2 miles from Webb School. 396 Comment
  LA91481  Scrophularia californica subsp. californica Bruce Douglas Clayton; Greg Shaw 1972-4-7 82 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway up Labyrinth Hill on deer trail. 548 Comment
  CAS-BOT-BC238498  Scrophularia villosa Carl B. Wolf 1932-5-9 3471 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. About 1/2 way to mexican houses 60 Comment
  LA92011  Scrophularia villosa Peter H. Raven; 1962-5-10 17711 Los Angeles San Clemente Island, floor of canyon N of Thirst 304 Comment
  RSA445336  Scutellaria siphocampyloides Bonnie C. Templeton 1932-6-18 4928 Los Angeles Big Pine Park, San Gabriel Mountains Comment
  UCR258938  Searsia lancea R. G. Swinney 2010-2-27 11764 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
  POM244914  Selaginella bigelovii F. Raymond Fosberg 1931-3-24 R 81 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  RSA653905  Selaginella bigelovii Valerie Sosa, Shalini Deo, Stephen Dreher 2000-4-27 812 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, above end of paved Wildwood Canyon Road and below trail along ridgetop to Verdugo Mtwy 595 Comment
  LA5824  Selaginella bigelovii A. M. Johnson; 1934-3-16 4361 Los Angeles SIMI HILLS, Santa Susanna Pass, above Chatsworth. Comment
  RSA527614  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-8 4400 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA683765  Selaginella bigelovii Meryl B. Dunkle 1932-1-10 2859 Los Angeles Lower Silver Canyon cliff. Santa Catalina Island Comment
  SEINET4065922  Selaginella bigelovii G. B. Grant, W. Wheeler 1904-1 1191 Los Angeles Collected on Santa Catalina Island in the Pacific Ocean off southern California. Comment
  CAS-BOT-BC363448  Senecio californicus A. C. Sanders 2003-4-17 26063 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  RSA472892  Senecio californicus Helen M. Oster 1924-4-27 13769 Los Angeles Foothills n. end of Vermont Ave. Comment
  RSA651014  Senecio douglasii Kenneth R. Montgomery, Thomas W. Strid 1973-8-22 73 -176 Los Angeles Collected on north facing slope at Dillon Divide, site of LASCA Cistus field plot Comment
  CDA8625  Senecio flaccidus var. douglasii A. Overturf 1989-12-28 s.n. Los Angeles Summit area of Mt. WIlson. Comment
  CHSC109699  Senecio flaccidus var. douglasii Mark Elvin; Anne Marie Ruff 1996-8-1 304 Los Angeles Transverse Ranges, San Gabriel Mountains regions: San Gabriel Mountains. Angeles National Forest. Glendora Ridge Road. N side of road W of 90 degree curve on road. Road mile 7.75. Comment
  RSA472954  Senecio flaccidus var. douglasii A. M. Johnson 1932-5-5 s.n. Los Angeles Campus, U.C.L.A., south end on hillside Comment
  CAS-BOT-BC341201  Senecio lyonii Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA729426  Senecio triangularis R. G. Swinney 1998-7-14 6431 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  UCR200125  Senecio vulgaris Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 768 Los Angeles Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 518 Comment
  RSA629702  Setaria parviflora L. C. Wheeler 1967-7-6 9940 Los Angeles San Gabriel Mountains: San Gabriel Canyon 274 Comment
  UCR206155  Setaria parviflora R. G. Swinney 2008-5-30 8894 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  POM293782  Setaria viridis Lyman Benson 1946-10-14 12271 Los Angeles Claremont. 351 Comment
  UCR209306  Setaria viridis var. viridis A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37185 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  SBBG113140  Silene antirrhina S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 383 Los Angeles top of coastal bluffs above W end of beach at Little Harbor 54 Comment
  SFV4909  Silene antirrhina M. H. Grayum 1971-5-20 s. n. Los Angeles Santa Monica Mountains Headwaters of Cold Creek near Stunt Road. 488 Comment
  CATA149  Silene gallica Mark L. Hoefs, A. Douglas Propst 1973-3-14 113 Los Angeles Santa Catalina Island: Ridge between Moonstone and White's Coves 36 Comment
  CAS-BOT-BC174914  Silene laciniata Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA748583  Silene laciniata Scott D. White, Justin M. Wood 2009-5-6 12641 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  RSA642685  Silene laciniata subsp. major Orlando Mistretta 1992-7-13 682 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR51920  Silene verecunda Steve Boyd, Laura Kopase 1987-6-8 2075 Los Angeles San Gabriel Mtns., 5 mi. WNW of Wrightwood in Cedar Canyon, near junction with Mescal Creek 1524 Comment
  RSA643290  Silybum marianum R. D. Goeden, D. W. Ricker 1972-5-19 s.n. Los Angeles Chino Hills: Brea Canyon S of Diamond Bar, E side of Brea Cyn. Rd., 0.6 mi. S of Diamond Bar Blvd. 198 Comment
  POM272578  Sinapis alba George B. Grant 1901-6-6 s.n. Los Angeles Pasadena. Comment
  UCR97783  Sisymbrium irio Scott D. White 1997-3-12 4757 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA747751  Sisymbrium officinale Scott D. White, J. Wood, J. Miner 2009-5-12 12700 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR259919  Sisymbrium orientale R. G. Swinney 2010-3-16 11949 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UC68500  Sisyrinchium bellum unknown May, 1903 Los Angeles Los Angeles Comment
  UCR189726  Sisyrinchium bellum R. G. Swinney 1998-7-21 6477 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA0031805  Solanum douglasii Geraldine Dodd 1992-5-25 024 Los Angeles 2 miles north of Santa Anita Canyon Rd. from Sturtevant Dr. intersection. 457 Comment
  RSA0036771  Solanum douglasii Toad 1981-03 0019 -81 Los Angeles Cal Poly Pomona. Canyon NW. of the Health Center. Comment
  RSA422376  Solanum douglasii F. R. Fosberg 1931-4-15 S- 4614 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  SEINET3162505  Solanum douglasii L. Abrams 1902-5-31 2488 Los Angeles Inglewood Comment
  UC483375  Solanum douglasii L. R. Abrams and I. L. Wiggins 1931-7-6 346 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  UCR126252  Solanum douglasii A. C. Sanders 2003-3-14 25767 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
  RSA248838  Solanum douglasii Robert F. Thorne 1973-4-11 42847 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA590590  Solanum douglasii Tim S. Ross, W. Appleby 1993-5-20 7192 Los Angeles Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9 948 Comment
  RSA651323  Solanum douglasii Peter J. Estournes 1981-5-14 26 Los Angeles 60 freeway west; east bound 2 miles east of 605 freeway. Comment
  UCSB10507  Solanum douglasii Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  IRVC28691  Solanum elaeagnifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25473 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UC1125051  Solanum umbelliferum A. Simontacchi 1935-5-30 52 Los Angeles 3 mi sse of Neenach 1066 Comment
  UCR272621  Solanum umbelliferum R. G. Swinney 2011-7-7 15446 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
  CAS-BOT-BC156506  Solanum umbelliferum H. M. Hall 1902-5-3 3102 Los Angeles San Francisquito Pass 457 Comment
  SBBG70661  Solanum xanti R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  UCR98745  Solanum xanti var. montanum T. S. Ross, Steve Boyd 1990-6-18 3499 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  PASA336  Sonchus asper Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA0127006  Sonchus asper subsp. asper Louis C. Wheeler 1967-7-20 10124 Los Angeles Aliso Canyon. 1067 Comment
  RSA660199  Spartium junceum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 47 Los Angeles 2.7 miles from La Canada city limits (sign) pull off on left side of road as one is going up mountain. Comment
  SFV16051  Spartium junceum P. W. Byrne, H. Levin 1994-4-23 18 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  RSA0097896  Spergularia bocconi C. B. Wolf 1932-5-12 3578 Los Angeles Santa Catalina Island. Borders of Catalina Harbor. 3 Comment
  SD27746  Spergularia macrotheca Carl B. Wolf 1932-5-9 3426 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 79 Comment
  RSA213401  Spergularia macrotheca M. B. Dunkle 1939-4-2 7205 Los Angeles San Clemente Island, southeast point. Comment
  SD90562  Spergularia macrotheca var. macrotheca Robert F. Thorne 1973-4-11 42883 Los Angeles San Clemente Island; dunes near Flasher, northwest part of island. 3 Comment
  CAS-BOT-BC390812  Spergularia marina Geo. B. Grant 1902-4-1 1297 Los Angeles Los Angeles Comment
  CATA1880  Spergularia villosa Denise Knapp, Jenny L. McCune 2004-3-30 Los Angeles Santa Catalina Island: Lone Tree Trail, near land bird monitoring transect #57 430 Comment
  RSA0098577  Spergularia villosa Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 794 -2 Los Angeles San Clemente Island. Deadman s Curve above Eagle Canyon. 473 Comment
  RSA446606  Stachys albens Thekla Mohr 1915-1 3256 Los Angeles North Fork, San Gabriel River. Comment
  UCR210150  Stachys albens R. G. Swinney 2008-10-16 9624 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  RSA166506  Stachys bullata W. G. Webb 1935-3-4 s.n. Los Angeles Glendale. Comment
  LA210073  Stanleya pinnata Sharon Johnston; 1957-5-9 30 Los Angeles Santa Monica Mountains, Malibu, 0.25 mi W of Malibu Pier on US Hwy 101 30 Comment
  RSA127995  Stanleya pinnata H. J. Thompson 1958-11-29 1833 Los Angeles SE of bridge over Malibu Creek, along Coast Hwy 8 Comment
  SBBG130729  Stebbinsoseris heterocarpa S. A. Junak 2000-5-6 SCa 1276 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing at Empire Landing 292 Comment
  RSA478180  Stellaria media F. R. Fosberg 1931-4-3 S- 4469 Los Angeles Pebble [Pebbly] Beach. Santa Catalina Island. 10 Comment
  SBBG37630  Stellaria media E. R. Blakley 1963-4-10 5595 Los Angeles 1 mi S of Avalon on rocky ridge Comment
  SEINET269222  Stellaria media Scott D. White, Chet McGaugh 1995-5-16 3059 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts.'Sunshine Cyn': W of San Fernando Rd. and I-5 fwy SW of interchange w/ 457 Comment
  LA44571  Stellaria media Carl Epling; March 1925 6441 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR189817  Stephanomeria R. G. Swinney 1998-9-4 6891 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UC1595319  Stephanomeria cichoriacea Tim Ross and Orlando Mistretta 1992-7-24 6758 Los Angeles San Gabriel Mountains: Vicinity of Strawberry Spring, 86 degrees E, 1100 m distant from Strawberry Peak summit. 1479 Comment
  RSA596335  Stephanomeria exigua subsp. coronaria Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3404 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  POM158120  Stephanomeria exigua subsp. exigua L. R. Abrams 1902-8-25 2979 Los Angeles Inglewood. Comment
  UCR238080  Stephanomeria pauciflora Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2101 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  POM17568  Stephanomeria spinosa P. A. Munz 1923-8-30 7665 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  RSA659916  Stephanomeria virgata Orlando Mistretta 1991-9-25 s.n. Los Angeles Red Mountain. Comment
  RSA775591  Stephanomeria virgata subsp. virgata Orlando Mistretta, Christine Mistretta 2010-6-23 5350 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  SD197637  Stipa parishii R. G. Swinney 2005-8-26 8527 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374, c. 1/2 miles southwest of Devils Chair. 1933 Comment
  UC2030045