Search Results — 2000 specimen records retrieved (1561 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD112031  Abronia maritima Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island; Little Harbor. Comment
  SD262314  Abronia umbellata Mitch Provance, Jeremiah George 2017-6-28 617 79 Los Angeles Coastal Regions of Southern California: Manhattan Beach, Bayview Dr., between 10th St and 11th St. Boxed in byhouses, apparently the last bit of undeveloped ground inland from undeveloped portion of the strand 500 ft away. (Venice 7.5'Q) 24 Comment
  UC284167  Abronia umbellata P. A. Munz 1923-4-8 6607 Los Angeles San Clemente Island Comment
  RSA623974  Abronia umbellata B. F. Krause 1921-4-6 352 Los Angeles Redondo Beach. Comment
  SEINET12159221  Acacia cyclops Unknown 1942-1 s.n. Los Angeles Los Angeles Comment
  SEINET12159214  Acacia retinodes J. F. Bright, Wyman, C. 1931-1 5266 Los Angeles Hollywood Comment
  POM42138  Acamptopappus sphaerocephalus var. hirtellus H. M. Hall, H. P. Chandler 1906-6-11 7388 Los Angeles Near Lancaster, in the lower Sonoran Zone of the Mohave Desert. 213 Comment
  UC1971177  Acanthoscyphus parishii Louis C. Wheeler 1964-11-6 8645 Los Angeles San Gabriel Mountains: Cortelyou Springs, Angeles Crest Highway at Crystal Lake turnoff Comment
  CAS-BOT-BC331553  Acer macrophyllum Geo. B. Grant 1904-5-1 s.n. (Ex. 17 .) Los Angeles Mt. Wilson Comment
  RSA0022367  Acer macrophyllum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5125 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA650005  Acer macrophyllum Bruce Benedict 1949-4-22 s.n. Los Angeles Found in San Dimas Canyon 457 Comment
  RSA585686  Acer saccharinum Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3018 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA639238  Achillea millefolium R. F. Thorne, M. Z. Thorne 1971-4-25 41351 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  POM246627  Achillea millefolium var. californica F. R. Fosberg 1931-4-29 s 4713 Los Angeles Santa Catalina Island. Small canyon between Cottonwood and Middle Ranch Canyons 100 Comment
  POM8788  Achnatherum coronatum P. A. Munz, R. D. Harwood 1920-4-29 3794 Los Angeles San Dimas Canyon. 457 Comment
  RSA601562  Achnatherum diegoense L. C. Wheeler 1967-6-16 9843 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  RSA597742  Achnatherum parishii subsp. depauperatum Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3745 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA746865  Achnatherum speciosum Orlando Mistretta 1992-5-21 362 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UC625095  Acmispon dendroideus var. dendroideus F. R. Fosberg 1931-3-19 S 4303 Los Angeles Hamilton Canyon; Santa Catalina Island 2 Comment
  UCD104129  Acmispon glaber L. W. Nuttall 1920-5-1 58 Los Angeles Near top of road, summit. Comment
  LA47990  Acmispon glaber var. glaber A. L. Beatty; April 22 194 sn Los Angeles Pasadena, Arroyo Seco Comment
  LA52421  Acmispon maritimus var. maritimus Martha Hilend Kinsey; 1935-3-13 sn Los Angeles Santa Monica Mountains, Bel-Air Estates Comment
  CATA157  Acmispon micranthus Peter Henrikson 1987-5-21 118 Los Angeles Santa Catalina Island: Bulrush Canyon 228 Comment
  SEINET1869738  Acmispon strigosus A. C. Sanders, Mark Elvin 2003-1 25949 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  CATA3106  Acourtia microcephala Amy Catalano, C. Matt Guilliams 2016-5-12 110 Los Angeles Santa Catalina Island: Ridgetop southeast of Whites Landing 25 Comment
  RSA0073128  Acourtia microcephala Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 27 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  RSA471676  Acourtia microcephala F. R. Fosberg 1931-7-11 s 5380 Los Angeles Mouth of Cape Canyon, Santa Catalina Island. 200 Comment
  CAS-BOT-BC133193  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 315 Los Angeles White's Landing, Santa Catalina Island Comment
  SDSU8957  Adenostoma fasciculatum Thomas A. Zink 1971-5-1 Los Angeles Near Cascadia Rd. in the Verdugo Hills, Glendale. 610 Comment
  UCR178369  Adenostoma fasciculatum LeRoy Gross 2003-3-7 760 Los Angeles Transverse Ranges, Verdugo Mountains, northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway. Sunland, off of Newhome Avenue, near west side at Topley Lane 555 Comment
  RSA390492  Adenostoma fasciculatum var. fasciculatum F. R. Fosberg 1931-5-21 S 4962 Los Angeles Fourth of July Canyon, Santa Catalina Island. Comment
  RSA591922  Adenostoma fasciculatum var. fasciculatum Louis C. Wheeler 1967-5-8 9318 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  SBBG119457  Adiantum capillus-veneris S. D. White with P. De Vries 2000-5-18 7890 Los Angeles above Irwindale, Fish Crk Cyn, from the mouth of the cyn at CalMat quarry upstream to falls 305 Comment
  SEINET5777313 Image available Adiantum jordanii S. M. Tracy 1887-1 338 Los Angeles Los Angeles Comment
  UC450863  Adiantum jordanii Fay A. MacFadden 1931-3-29 54 F Los Angeles Tuna Canyon; Verdugo Hills Comment
  RSA617184  Ageratina adenophora R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness park, Big Dalton Canyon. Big Dalton Canyon Rd, 1.4 mi. E of Glendora Mtn. Rd 457 Comment
  UCD128535  Ageratina adenophora T. C. Fuller 1958-5-9 s.n. Los Angeles Cheney Trail, Millard Canyon, above Altadena. Comment
  CAS-BOT-BC295621  Agnorhiza ovata Robert F. Thorne 1969-7-2 38259 Los Angeles San Gabriel Mts., Angeles National Forest: at Upper Chilao Campground 1615 Comment
  LA201724  Agoseris grandiflora Arthur C. Gibson; 2001-5-18 4815 Los Angeles Santa Monica Mountains, Rocky Oaks National Recreation Area, Near Mullholand and Malibu 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
  UCR179732  Agoseris heterophylla R. G. Swinney, Dave Larson 1996-7-17 5137 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR223779  Agoseris retrorsa R. G. Swinney 2009-6-17 11160 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA416416  Agoseris retrorsa Fay A. MacFadden 1931-4-22 2644 Los Angeles Summit of ridge near Lake Huges on road from San Fanscito Canyon. Comment
  UCR203099  Agrostis R. G. Swinney 2001-8-27 8109 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  LA10252  Agrostis pallens Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR177308  Ailanthus altissima LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1028 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  LA201977  Albizia lophantha Arthur C. Gibson; 2004-3-10 5009 Los Angeles 146 Comment
  CHSC35417  Allium fimbriatum var. fimbriatum James Henrickson 1973-5-12 9596 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. 1234 Comment
  RSA598201  Allium haematochiton Steve Boyd, Lauren Raz 1997-3-4 9131 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
  POM263552  Allium monticola J. C. Roos 1937-7-16 636 Los Angeles Los Angeles - San bernardino counties. Mt. San Antonio 2744 Comment
  UCR114217  Allophyllum A. C. Sanders, D. Malueg 1998-6-24 22065 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA606173  Allophyllum divaricatum Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  UCR108463  Allophyllum divaricatum L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  RSA29526  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  RSA591458  Alnus rhombifolia L. C. Wheeler 1966-10-12 8978 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  UC1211130  Alnus rhombifolia Huron H. Smith 1912-4-30 4878 Los Angeles Mt. Wilson Comment
  UC5342  Alnus rhombifolia W. H. Brewer Jan 1 1861-Jan 2 1861 102 Los Angeles near San Gabriel Comment
  UCSB1000  Alnus rhombifolia Wedberg, Lee 1954-5-14 Los Angeles Backyard, 2925 Kansas, Santa Monica Comment
Read comments
Dec 3 2014
  UCD97059  Alternanthera philoxeroides R. D. Goeden; D. Ricker 1965-9-23 s.n. Los Angeles San Gabriel River watershed; Whittier Narrows. Comment
  RSA188025  Amaranthus albus R. F. Thorne 1966-4-29 36293 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 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
  UCR182237  Amaranthus albus R. G. Swinney 1997-9-6 5873 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  POM714  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte. Along Railroad. 91 Comment
  UCR205659  Amaranthus blitoides A. C. Sanders, T. B. Salvato 2009-5-20 36875 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  POM211796  Amaranthus palmeri L. C. Wheeler 1933-9-6 2102 Los Angeles in sandy soil in citrus grove 365 Comment
  SBBG133372  Amblyopappus pusillus J. Lambert, S. McDonough 2005-4-6 48 .05 Los Angeles near Swat 2 Comment
  RSA0114166  Amblyopappus pusillus Steven A. Junak 1988-7-17 Sca- 767 Los Angeles Santa Catalina Island. Lower portion of Silver Canyon, ca. 0.25 mi inland from beach. 12 Comment
  RSA416878  Amblyopappus pusillus Larry E. DeBuhr, Gary D. Wallace 1972-9-2 693 Los Angeles San Clemente Island: base of canyon 1.5 miles north of Eel Point. 30 Comment
  RSA416880  Amblyopappus pusillus Anstruther Davidson 1914-05 3691 Los Angeles San Pedro. Comment
  JEPS41042  Ambrosia acanthicarpa Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Rico Comment
  UC34490  Ambrosia acanthicarpa Prof. Brewer Dec 1-5, 1860 22 Los Angeles sandy flats near town Los Angeles Comment
  CAS-BOT-BC13721  Ambrosia chamissonis Le Roy Abrams 1901-4-1 1195 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC13722  Ambrosia chamissonis Le Roy Abrams 1902-6-9 2492 Los Angeles Playa del Rey Comment
  SBBG12884  Ambrosia chamissonis E. R. Blakley 1962-10-5 5426 Los Angeles N of White's Landing 3 Comment
  RSA0020543  Ambrosia psilostachya G. J. Hoffenberg 1928-7-24 s.n. Los Angeles El Segundo. Comment
  RSA5984  Ambrosia psilostachya C. B. Wolf 1932-9-13 4057 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  RSA415276  Amorpha californica I. M. Johnston 1917-6-14 1348 Los Angeles West of Pomona. Comment
  CAS-BOT-BC26870  Amsinckia exserta Alice Eastwood 1906-5-27 56 Los Angeles country adjacent to Los Angeles. Garvanza Comment
  SBBG37819  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles near Mosquito Harbor Comment
  RSA0079972  Amsinckia intermedia Anonymous 1935-2-25 s.n. Los Angeles Eagle Rock Canyon. Comment
  SEINET13710411  Amsinckia intermedia J. Adams, J. Adams (Botany) 1965-1 67 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  POM368390  Amsinckia tessellata N. C. Cooper 1949-4-19 3609 Los Angeles Mojave Desert, Lancaster, 762 Comment
  UC479943  Amsinckia tessellata var. tessellata E. L. Greene March 1885 Los Angeles San Fernando Comment
  CHSC3686  Anagallis arvensis Mary MacArthur 1966-5-12 22 Los Angeles San Rafael Hills - Glendale College. 213 Comment
  RSA0089138  Anagallis arvensis R. G. Swinney 2010-5-7 12593 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
  RSA465146  Anagallis arvensis T. S. Clare 1929-4-7 s.n. Los Angeles Topanga Canyon. Comment
  UC129388  Ancistrocarphus filagineus H. M. Hall 7397 Los Angeles vicinity Elizabeth Lake Comment
  JEPS16003  Angelica tomentosa Frank W. Peirson 1921-7-19 2508 Los Angeles San Gabriel Mountains, San Gabriel River, Cow Canyon Cow Canyon; San Gabriel Mountains, San Gabriel River, Cow Canyon 914 Comment
  UCR258919  Anthriscus caucalis R. G. Swinney 2010-5-7 12619 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
  LA201023  Anthriscus caucalis Carl Wishner; 1990-6-15 1887 Los Angeles Santa Monica Mountains, Fryman Canyon, near power line 304 Comment
  UC1619329  Anthriscus caucalis Timothy S. Ross 1992-5-24 6410 Los Angeles Browns Gulch (draining to San Gabriel Canyon at the base of San Gabriel Dam) San Gabriel Mountains 464 Comment
  UCR133572  Antirrhinum multiflorum Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, [near George's Gap] head of Long Canyon 1098 Comment
  UCD123467  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven; Henry J. Thompson 1960-5-16 15387 Los Angeles Santa Monica Mountains, ridge east of Temescal Canyon. 243 Comment
  UCR194161  Apocynum androsaemifolium R. G. Swinney 1998-7-29 6535 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  UCR272840  Apocynum cannabinum R. G. Swinney 2011-6-1 14936 B Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  UCR242849  Aquilegia formosa R. G. Swinney 2009-8-8 11503 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  RSA430023  Arabis glabra var. glabra Robert Gustafson 1985-5-8 3111 Los Angeles Angeles National Forest; Sawpit Canyon, ca 1 mile above the reservoir Comment
  UCR270682  Arabis platysperma R. G. Swinney 2011-8-17 15650 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 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
  RSA0095311  Arabis sparsiflora Richard G. Swinney 2011-6-23 15321 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  UCR147293  Arabis sparsiflora var. sparsiflora Orlando Mistretta, Peter L. Morrell 1992-6-4 508 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  RSA755896  Arceuthobium californicum R. G. Swinney 2008-7-25 9302 Los Angeles Twin Peaks, east peak. 2357 Comment
Read comments
Sep 27 2010
  RSA177893  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1965-5-11 34669 Los Angeles near road to Hay Press; Santa Catalina Island. 457 Comment
  RSA626779  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20491 a Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA590931  Arctostaphylos glandulosa subsp. cushingiana Orlando Mistretta 1994-4-12 1022 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1159 Comment
  UC1120255  Arctostaphylos glandulosa subsp. mollis P. L. Johannsen 1934-1-27 246 Los Angeles 1 1/2 mi e Oat Mountain; Santa Susana Quadrangle Comment
  POM50327  Arctostaphylos glauca L. R. Abrams 1901-4-13 1501 Los Angeles Pasadena and Wilson's Peak Trail 915 Comment
  RSA0087386  Arctostaphylos glauca R. G. Swinney 2010-5-25 12975 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA127925  Arctostaphylos glauca P. H. Raven, H. J. Thompson 1959-2-25 13813 Los Angeles Saddle Peak. 808 Comment
  RSA631600  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15605 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631635  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15836 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631706  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20262 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  UC1552130  Arctostaphylos glauca David Charlton 1988-4-2 1486 Los Angeles 1-15 from Swarthout Valley Rd to end of pavement (under powerline); Cajon Pass 1524 Comment
  RSA634798  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20507 Los Angeles Chilao Campground. 1600 Comment
  RSA634811  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20451 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 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
  RSA634920  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20532 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635261  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20655 Los Angeles Angeles Crest Hwy., Eagle Roost Picnic Ground, 3.5 km west of old road to Crystal Lake. San Gabriel Mtns. 2030 Comment
  UCR202518  Arctostaphylos patula R. G. Swinney 2001-8-9 8019 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  CHSC3665  Argemone munita Mary Mae Arthur 1966-6-4 48 Los Angeles San Gabriel Mts.- past Wilson turnoff on Angeles Crest Hy. Sandy turn out of road. 1219 Comment
  RSA105988  Argemone munita Gerald B. Ownbey, Findley Ownbey 1954-5-29 2123 Los Angeles Mountain grade, 4.8 miles SE of Valyermo on road to Wrightwood. Comment
  RSA652544  Argemone munita T. C. Thomas 1974-7-5 s.n. Los Angeles Hwy 2. 1982 Comment
  POM253  Argemone munita subsp. rotundata H. Webster s.n. Los Angeles San Antonio Canyon. Comment
  RSA151024  Aristida adscensionis var. modesta P. H. Raven 1962-5-9 17650 Los Angeles Just N of Gray, San Clemente Island 366 Comment
  IRVC8955  Artemisia californica P. W. Rundel 1965-2-6 1515 Los Angeles Palmer Canyon; just north of Padua Hills, west slope. San Gabriel Mountains 610 Comment
  PASA831  Artemisia californica Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  POM306250  Artemisia californica Henry J. Ramsey, Henry J. Ramsey 1939-1-1 I 370 Los Angeles Eaton Canyon, Altadena. Comment
  UC29664  Artemisia californica Prof. Brewer 1860-12-14 53 Los Angeles Santa Monica Mnts. Comment
  UCR259262  Artemisia douglasiana R. G. Swinney 2010-9-9 13737 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA417275  Artemisia douglasiana George R. Johnstone 1930-8-10 s.n. Los Angeles San Gabriel Canyon. 1524 Comment
  UC1595414  Artemisia douglasiana Tim Ross and Annette H. Ross 1991-7-29 5716 Los Angeles near n base Elephant Hill (on mesic n slope. W of Pomona); Puente Hills 228 Comment
  CAS-BOT-BC97270  Artemisia tridentata subsp. parishii Elmer I. Applegate 1931-11-8 7000 Los Angeles Mojave Desert, 26 miles south of Mojave on road to Lancaster Comment
  RSA417399  Artemisia tridentata subsp. tridentata E. Fitzgerald 1930-07 s.n Los Angeles Eastern Sierra: opposite Devil's Punchbowl, Angeles National Forest. Comment
  UC1587610  Artemisia tridentata subsp. tridentata Tim Ross 1991-8-14 5781 Los Angeles summit Roundtop Mountain; San Gabriel Mountains, Chilao Flat Quadrangle, Roundtop Moun 1920 Comment
  POM158309  Arthrocnemum subterminale M. B. Dunkle 1928-4-29 1897 Los Angeles Little Harbor. 5 Comment
  RSA70338  Asclepias californica F. W. Peirson 1923-5-26 3541 Los Angeles Rock Creek Divide 2011 Comment
  RSA0104730  Asclepias eriocarpa Scott D. White, Pam De Vries 2004-5-18 10402 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
  RSA670181  Asclepias erosa Ian Swift 2001-9-10 333 Los Angeles Lower Poison Oak Canyon 1098 Comment
  CATA1428  Asparagus asparagoides Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2589 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  CATA3474  Asparagus asparagoides Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-18 001 Los Angeles Santa Catalina Island: Interior; under cedar tree downslope (west) of the Fox Hospital in Quail Valley 168 Comment
  LA201754  Aspidotis californica Arthur C. Gibson; 2001-5-18 4809 Los Angeles SANTA MONICA MOUNTAINS, Rocky Oaks National Recreation Area, near Mulholland Hwy and Kanan-Dume Road. Comment
  RSA634209  Aspidotis californica R. F. Thorne, D. Propst 1968-4-28 37672 Los Angeles Santa Catalina Island: Lower slope of Wild Boar Gully, due north of Black Ridge and ca. 1 mile WNW of Salta Verde Point. 198 Comment
  RSA686312  Aspidotis californica G. R. Proctor 1944-02 782 Los Angeles Sepulveda Canyon Comment
  RSA417661  Aster greatae F. W. Peirson 1924-8-23 5053 Los Angeles W fork San Gabriel River, just above forks Comment
  UCR146502  Aster greatae Scott D. White 2004-7-28 10650 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA0048640  Astragalus antisellii E. F. 1951-4-4 s.n. Los Angeles Topanga. Summit Rd. 1st bend in rd. down from Smmit. 457 Comment
  RSA0002855  Astragalus coccineus Anonymous s.n. Los Angeles Railroad [no additional locality data provided] Comment
  CHSC14161  Astragalus didymocarpus L. M. Mayer; I. J. Mayer 1974-4-10 152 Los Angeles In field 50 ft n of Bouquet Canyon Rd. - 1/4 mi of its intersection with Vasquez Canyon Rd. Comment
  RSA415460  Astragalus didymocarpus var. didymocarpus Blanche Trask 1901-03 2242 Los Angeles Avalon, Catalina Island. Comment
  SBBG68199  Astragalus douglasii E. Rockwell -Jun-1926 569 Los Angeles near Sandberg's, Route (US Hwy 99) 1066 Comment
  UCR232378  Astragalus lentiginosus var. albifolius Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7996 Los Angeles Mojave Desert, Antelope Valley, N of Lancaster, c. 120 m west of Sierra Hwy and 140 m north of Ave B, just N of a rectangular pond 703 Comment
  LA205735  Astragalus lentiginosus var. variabilis O. A. Plunkett; 1926-4-3 Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  RSA113342  Astragalus lentiginosus var. variabilis Percy C. Everett, E. K. Balls 1956-7-5 21867 Los Angeles [no locality information provided] Comment
  SBBG12326  Astragalus miguelensis P. H. Raven 1962-4-11 17259 Los Angeles sandy beach W of Wall 2 6 Comment
  SBBG20571  Astragalus nevinii E. R. Blakley 1963-12-8 6412 Los Angeles N of West Cove at Sand Pt near Triangulation Pt "Driggs" 7 Comment
  CAS-BOT-BC194077  Astragalus preussii A. D. E. Elmer 1902-6-1 3669 Los Angeles Lancaster Comment
  LA200432  Astragalus trichopodus var. lonchus M. Baldwin; Harvey Anderson, L. Ellison 1930-3-7 sn Los Angeles Comment
  POM156307  Astragalus trichopodus var. lonchus L. R. Abrams 1903-3-8 3109 Los Angeles Near Inglewood. Comment
  UCR258736  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-16 11928 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
  UC1595297  Athysanus pusillus Tim Ross 1991-3-10 4222 Los Angeles on e side of Rancho Santa Ana Botanic Garden (vicinity of (some 15m ne of) Phake Lake, Bernard Field Station); Claremont, Bernard Field Station 391 Comment
  RSA66531  Athysanus pusillus F. W. Peirson 1921-3-3 663 Los Angeles Arroyo Seco, near Pasadena 350 Comment
  RSA751514  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 1 -38 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  SFV21955  Atriplex amnicola L. H. Garcia 2011-5-8 s. n. Los Angeles Malibu Lagoon. 5 Comment
  RSA177735  Atriplex californica R. F. Thorne, P. Everett 1965-5-11 34572 Los Angeles Santa Catalina Island, N beach of Little Harbor. Comment
  CDA23249  Atriplex canescens subsp. canescens L. C. Wheeler 1956-9-15 7240 Los Angeles San Gabriel Mountians; Caldwell Lake. 0 Comment
  CAS-BOT-BC172644  Atriplex coulteri E. Braunton 1902-5-15 s.n. Los Angeles Gardena Comment
  RSA235246  Atriplex lentiformis subsp. breweri E. R. Blakley 1963-12-7 6365 Los Angeles San Clemente Island, mouth of Chenity Canyon in Pyramid Cove 3 Comment
  UC7045  Atriplex lentiformis subsp. lentiformis J. Burtt Davy October 1896 2749 Los Angeles Santa Monica Canyon Comment
  CAS-BOT-BC180915  Atriplex pacifica David B. Weissman 1971-6-15 36 Los Angeles 1.7 miles west of Cactus Peak along the road, Santa Catalina Island 304 Comment
  SBBG105331  Atriplex pacifica H. L. Ferguson 1981-4-10 221 Los Angeles just S of Eel Pt on first exposed terrace 3 Comment
  CATA1527  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2748 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  RSA0104987  Atriplex prostrata Steven A. Junak 1999-7-16 SCa- 1057 Los Angeles Santa Catalina Island. Just inland from mouth of Cottonwood Canyon, N side of creekbed. 6 Comment
  UCR73393  Atriplex semibaccata T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5064 Los Angeles Channel Islands, San Clemente Island, Lower Wilson Cove Canyon, SW of and above pier operations 41 Comment
  RSA509708  Atriplex semibaccata L. C. Wheeler 1967-6-26 9907 Los Angeles San Gabriel Mountains : Placerita Canyon. 548 Comment
  RSA422254  Atriplex serenana George R. Johnstone 1930-10-18 s.n. Los Angeles South of Rosemead. Comment
  SBBG130572  Atriplex suberecta S. A. Junak 2000-10-13 SCa 1416 Los Angeles NW end of upper Buffalo Corral Reservoir 201 Comment
  UCR272919  Atriplex suberecta Steven A. Junak 2000-10-12 SCa- 1407 Los Angeles Channel Islands, Santa Catalina Island, Skull Canyon, 0.4 mi from Middle Canyon Road, just outside gate at storage yard 204 Comment
  RSA678490  Atriplex watsonii Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark 1996-4-19 150 Los Angeles San Clemente Island. North Head (NE side). Lower terrace slopes. 12 Comment
  SBBG95608  Avena barbata M. B. Dunkle 1939-4-4 7255 Los Angeles Pyramid Cove Comment
  UCR119118  Avena barbata David Charlton 1989-4-30 2936 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  RSA0106817  Azolla Steven A. Junak 1999-7-16 SCa- 1054 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon, just downstream from crossing of road to Ben Weston Beach. 24 Comment
  UC1063697  Azolla filiculoides Jerome S. Horton 1938-7-28 513 Los Angeles surface of San Dimas Reservoir; Pomona Quadrangle, San Dimas Watershed Comment
  CAS-BOT-BC53695  Azolla filiculoides Robert F. Thorne; D. Propst; M. Hoefs 1974-9-12 45109 Los Angeles Santa Catalina Island: on surface of stream and reservoir in Cottonwood Canyon below Rancho Escondido. 106 Comment
  SEINET4560216  Baccharis brachyphylla J. Andre 2011-1 22549 Los Angeles Sacramento Mountains; UC Sacramento Mtns Reserve; along south side of US Interstate 40, just SW of summit (South Pass). 772 Comment
  RSA418210  Baccharis douglasii T. Gertrude Williamson 1924-8-22 s.n. Los Angeles Catalina Island, Toyon Canyon Comment
  JEPS30653  Baccharis pilularis Peter H. Raven and Henry J. Thompson 1959-9-6 14362 Los Angeles mouth of Malibu Creek; Santa Monica Mountains 3 Comment
  RSA599028  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles Santa Susana/San Gabriel Mountains: Newhall Creek, 0.2 mi. east of Fremont Pass Comment
  UC1587560  Baccharis pilularis Tim Ross 1991-9-2 5936 Los Angeles near Mulholland highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass Quad. 502 Comment
  CAS-BOT-BC106759  Baccharis salicifolia Elmer I. Applegate 1931-11-2 6828 Los Angeles San Fernando Valley Comment
  LA200172  Baccharis salicifolia Jonathan Sauer; D. Birindelli 1969-6-4 4568 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  POM304856  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-9-2 232 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  SFV21393  Baccharis salicifolia L. Gross 2002-3-7 489 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. Side Canyon off of La Tuna Canyon. 579 Comment
  UCR258963  Baccharis salicifolia R. G. Swinney 2010-2-27 11747 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  VVC36  Baccharis salicifolia P. J. MacKay 1975-5-13 s.n. Los Angeles Pomona, Campus CalPoly; Parking lot north of health center. 253 Comment
  UCD129478  Baccharis salicifolia subsp. salicifolia Gordon Pilone 1960-4-21 13 Los Angeles Little Dalton Canyon above Glendora. San Gabriel Mountain Range. 365 Comment
  CAS-BOT-BC99898  Baileya multiradiata Sherwin Carlquist 1952-8-21 323 Los Angeles Huntington Drive at West Drive, San Marino Comment
  UCSB26090  Balsamorhiza deltoidea Wilken, Dieter 1969-4-19 Los Angeles Maple Canyon on Bouquet Canyon Road, 2.3 miles southwest of junction with Los Angeles County Road N2 975 Comment
  RSA423221  Bassia hyssopifolia F. R. Fosberg 1930-7-7 S 3160 Los Angeles Alamitos Bay 2 Comment
  SBBG31252  Bergerocactus emoryi R. F. Thorne with P. C. Everett 1965-6-24 35050 Los Angeles ridge between Little Harbor and mouth of Cottonwood Cyn 60 Comment
  CAS-BOT-BC102042  Bidens laevis C. F. B. 1903-10-1 3727 Los Angeles Pomona Comment
  CAS-BOT-BC100263  Blennosperma nanum var. nanum C. G. Pringle March 31 s.n. Los Angeles Wilmington Comment
  POM346633  Boechera californica Barry Burnell 1969-5-22 143 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  RSA532660  Boechera californica Timothy S. Ross 1991-8-14 5758 Los Angeles Roundtop Mountain. 1878 Comment
  CAS-BOT-BC14585  Boechera pulchra Alice Eastwood; John Thomas Howell 1937-4-26 3968 Los Angeles Near Palmdale. Comment
  UCSB46470  Boechera pulchra Chieffo, Scott 1983-5-19 Los Angeles Near Hungry Valley Road offramp; north of Interstate 5 914 Comment
  RSA748798  Boschniakia strobilacea R. G. Swinney 2001-8-9 8011 Los Angeles east peak on Pleasant View Ridge 2504 Comment
  SBBG116038  Bowlesia incana R. Burgess, P. Munro 1998-1-25 2637 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  UCR125396  Bowlesia incana A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25720 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  RSA583775  Bowlesia incana R. G. Swinney 1993-3-23 2100 Los Angeles south hills, Toyon Nature Center 305 Comment
  RSA733127  Boykinia rotundifolia R. G. Swinney 1998-7-30 6587 Los Angeles San Gabriel Mtns.: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  RSA733663  Boykinia rotundifolia R. G. Swinney 1998-7-24 6568 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  RSA704711  Brachypodium distachyon Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2092 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  SEINET10481261  Brassica campestris David B. Dunn 1948-3-20 Dunn 3787 Los Angeles Collected along cypress ave 1/2 mi e of irwindale ave about 2 mi w of covina. Comment
  UCR150945  Brassica kaber D. E. Bramlet 1999-5-21 2786 Los Angeles Puente Hills: 427 m NW of the 57/60 freeway and 762 m N of Grand Avenue, 122 m SW of Beaverhead Drive in Diamond Bar 253 Comment
  UCR108349  Brassica napus L. C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles, NW corner of W Pico Blvd. and S Figueroa St. 72 Comment
  UCR198286  Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles Transverse Ranges, Verdugo Mountains, northwest tip of the Verdugo Range, just east of Hansen Dam, west side of Wentworth Street, north of Stonehurst Avenue 305 Comment
  CAS-BOT-BC36734  Brassica rapa Scott D. White; Justin Wood 2008-3-27 11787 Los Angeles San Gabriel Mountains. San Gabriel Mountain foothills. 473 Comment
  POM351114  Brickellia californica L. E. Hoffman 1931-5-11 s.n. Los Angeles Millard's Canyon, Angeles Nat'l Forest. Comment
  RSA522935  Brickellia californica Timothy S. Ross, Orlando Mistretta 1990-10-24 3295 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  RSA584317  Brickellia desertorum Timothy S. Ross, Steve Boyd 1991-3-23 4262 Los Angeles Lovejoy Buttes, on the Mojeve Desert: NE portion on the main buttes, W of Lovejoy Springs. Lovejoy Buttes 927 Comment
  POM46873  Brickellia nevinii F. W. Peirson 1924-12-5 5382 Los Angeles San Gabriel Peak at head of Eaton Canyon 1646 Comment
  SEINET186295  Brodiaea capitata var. pauciflora I. W. Clokey, R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon. 1600 Comment
  UC1280468  Brodiaea kinkiensis Theodore F. Niehaus and Roderick 1965-4-2 397 Los Angeles se Lemmon Tank along s rim of canyon on e side San Clemente Island Comment
  RSA496669  Bromus arizonicus A. C. Sanders 1988-3-17 7732 Los Angeles El Segundo Dunes, immediately W of LA International Airport and Pershing Drive, E of Vista Del Mar Blvd., (Near 33 deg 56'N, 118 deg 26'W.) 30 Comment
  SBBG56651  Bromus berteroanus R. Hoffmann 1932-4-8 Los Angeles 5 mi W of El Mirage Post Office Comment
  RSA771552  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA660244  Bromus carinatus var. carinatus Orlando Mistretta, Peter L. Morrell 1992-6-4 474 Los Angeles San Gabriel Mountains: Short Cut Canyon, OVH area. Arroyo District Comment
  RSA682409  Bromus carinatus var. carinatus Valerie L. Soza, Bill Hogshead 2003-5-6 s.n. Los Angeles On Chantry Flat Road (2N41) from Picnic Ground to the north end of Santa Anita Canyon Road. 610 Comment
  CAS-BOT-BC148919  Bromus carinatus var. marginatus Timothy S. Ross; Steve Boyd 1994-6-23 8054 Los Angeles Liebre Mountains. Sawmill Mountain. North slope ca. 330 m southeast to 525 m east northeast of Sawmill Campground, descending northeast along a ridge at the head of west fork Devils Gulch. 1597 Comment
  CAS-BOT-BC156116  Bromus diandrus Peter H. Raven 1959-4-4 13965 Los Angeles Santa Monica Mountains. Just east of Zuma Beach. 30 Comment
  CAS-BOT-BC534058  Bromus diandrus R. G. Swinney 2010-4-15 12224 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25--0.7 mi E of Pacoima Wash 524 Comment
  POM363405  Bromus diandrus F. R. Fosberg 1930-6-26 S- 3029 Los Angeles Lower Ballona Creek. 6 Comment
  RSA0036300  Bromus diandrus LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6976 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
  RSA0057930  Bromus diandrus Richard G. Swinney 2010-3-18 11989 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA3481  Bromus diandrus C. B. Wolf 1932-5-9 3424 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  RSA599354  Bromus diandrus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  RSA748896  Bromus diandrus R. G. Swinney 2005-5-21 8268 Los Angeles west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR271667  Bromus diandrus R. G. Swinney 2011-3-26 14220 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
  UCR271238  Bromus hallii R. G. Swinney 2011-6-1 14966 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  CHSC95530  Bromus madritensis subsp. madritensis LeRoy Gross; Valerie Soza 2001-6-6 441 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) until you come to bottom of canyon. 427 Comment
  LA13828  Bromus madritensis subsp. rubens Carl Epling; 1925-4-28 6767 Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC589651  Bromus madritensis subsp. rubens Nell Murbarger April 1936 128 Los Angeles San Clemente Island Comment
  RSA659818  Bromus rubens Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 113 Los Angeles San Clemente Island. Comment
  SEINET3923285  Bromus rubens Timothy S. Ross, Steve Boyd 1994-5-4 7634 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit. Lale Hughes 7.5' USGS Quadrangle.; 0 1055 Comment
  UCR107774  Bromus rubens Jeanne Gural, Valerie Soza 1997-3-19 32 Los Angeles Bernard Field Station of the Claremong Colleges. NW corner of Mills Ave. and Foothill Blvd. west of main paved road, north of Foothill Blvd. 412 Comment
  SD185081  Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd. 609 Comment
  RSA749030  Bromus tectorum R. G. Swinney 2008-5-5 8749 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  SFV20832  Bromus tectorum L. Gross 2005-4-28 2162 Los Angeles San Gabriel Mountains Ridgeline to Mount Emma and canyon south of this ridge. West from Mount Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest). East of Mount Emma Road near above coordinates then dropped off ridge into canyon bottom back to origin. From a slight decline bench south of the ridgeline. 1235 Comment
  UCR223349  Bromus tectorum R. G. Swinney 2009-7-29 11428 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UC167148  Bromus trinii Geo. B. Grant 1905-4-15 123 Los Angeles Pasadena; Southern California, Pasadena Comment
  CAS-BOT-BC233954  Calandrinia breweri John Thomas Howell 1928-3-20 3466 Los Angeles Floor of Vermont Canyon, Griffith Park Comment
  RSA466541  Calandrinia ciliata F. R. Fosberg 1931-4-15 S 4639 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA0107269  Calandrinia ciliata Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 SCa- 535 Los Angeles Santa Catalina Island. Just E of Haypress Reservoir, on S side of main road, near UTM. 402 Comment
  SBBG18690  Calandrinia menziesii E. R. Blakley 1963-4-8 5552 Los Angeles ridge S of Avalon Valley above Avalon Terrace 182 Comment
  RSA533914  Callitriche marginata T. S. Ross 1991-5-18 5187 Los Angeles San Clemente Island: Twin Dams; shallow pond at the westerly of the two earthen dams, and mesic inlet draw 474 Comment
  RSA585780  Calocedrus decurrens Orlando Mistretta 1995-7-11 1875 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  NY16884  Calocedrus decurrens T. G. Yuncker 1931-6-29 3829 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR190252  Calochortus albus R. G. Swinney 2000-5-21 7773 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  RSA377305  Calochortus catalinae A. M. Johnson 1934-4-7 4396 Los Angeles Botany Garden, Campus, UCLA Los Angeles Comment
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Oct 3 2014
  RSA134724  Calochortus clavatus var. clavatus E. K. Balls, Percy C. Everett 1959-7-29 23863 Los Angeles Northeast of entrance to Stokes Canyon, Santa Monica Mountains. 244 Comment
  RSA596824  Calochortus clavatus var. gracilis Timothy S. Ross, J. Mark Porter 1995-5-4 8494 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  CHSC36114  Calochortus invenustus K. Bridwell 1978-6-18 151 Los Angeles Charleston Flat meadow area, ca. 1/4 mi n of Hwy 2, ca. 30 mi ne of Glendale, Angeles National Forest. 1524 Comment
  UCR187136  Calochortus kennedyi A. C. Sanders 2006-5-16 32308 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA788644  Calochortus plummerae D. E. Bramlet 2011-6-16 4876 Los Angeles Upper Maple Canyon, 10m SW of Angeles Forest Hwy and 1.4 km east of Big Tujunga Rd. 917 Comment
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Aug 24 2014
  UCR124385  Calochortus plummerae I. W. Clokey, B. C. Templeton 1929-1 4579 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC493415  Calochortus splendens F. A. M. 1936-5-1 14609 Los Angeles Herbarium of Fay A. MacFadden, Puddingstone Dam Comment
  RSA0009996  Calochortus splendens Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  CAS-BOT-BC132518  Calochortus striatus A. D. E. Elmer 1902-6-1 4164 Los Angeles Lancaster Comment
  RSA0040379  Calyptridium monandrum R. G. Swinney 2010-5-11 12662 Los Angeles 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
  SBBG69696  Calyptridium monandrum R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR41716  Calyptridium monandrum G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SD75618  Calystegia macrostegia M. B. Dunkle 1939-4-6 7291 Los Angeles San Clemente Island; Mosquito Harbor. Comment
  RSA422200  Calystegia macrostegia subsp. arida Donald R. Bissing 1973-5-18 76 Los Angeles Evey Canyon, 0.5 mi from mouth of canyon 743 Comment
  CHSC36127  Calystegia macrostegia subsp. cyclostegia K. Bridwell 1978-6-17 141 Los Angeles Along fireroad on NE slope of Verdugo Mts, ca 1/4 mi W of Beaudry, ca. 2 mi W of Verdugo Rd, Glendale 365 Comment
  RSA394911  Calystegia macrostegia subsp. intermedia N. C. Cooper 1945-5-1 2205 Los Angeles Tapia Park, Santa Monica Mtns 610 Comment
  RSA640248  Calystegia macrostegia subsp. intermedia R. F. Thorne, C. W. Tilforth 1971-4-9 41553 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  SBBG120124  Calystegia macrostegia subsp. intermedia A. C. Sanders 2005-5-5 29945 Los Angeles W edge of Cruzan Mesa, N of Bench Mark "Plum"; Santa Clarita area 671 Comment
  CATA1491  Calystegia macrostegia subsp. macrostegia Mark L. Hoefs, Steven A. Junak 1996-5-1 2696 Los Angeles Santa Catalina Island: By summit reservior 408 Comment
  UCD168374  Calystegia malacophylla J. W. Barry 1980-4 s.n. Los Angeles East of Hungry Valley SVRA. (Exact location unknown. Coordinates estimated by the label maker.) Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  OBI70618  Calystegia peirsonii Steve Boyd 1997-5-1 9679 Los Angeles Liebre Mtns Region: Sierra Pelona ridgeline, about 1.5 mi W of Mt. McDill and 1.3 mi SSE of Lincoln Crest, the head of Bouquet Cyn 1512 Comment
  SBBG122094  Calystegia peirsonii A. Parikh, N. Gale 2000-5-5 723 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 555 Comment
  UCR108419  Calystegia peirsonii Scott D. White, Pam DeVries 1998-5-15 6501 Los Angeles San Gabriel Mtns., Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd, south of I-14 freeway, east of Bee Canyon and west of Agua Dulce Canyon 823 Comment
  UCR205601  Calystegia peirsonii R. G. Swinney 2008-5-13 8853 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA394820  Calystegia sepium subsp. limnophila Anstruther Davidson 1890-04 1891 Los Angeles San Gabriel River near El Monte. Comment
  UCR270015  Camissonia bistorta R. G. Swinney 2010-3-24 12071 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR275022  Camissonia campestris Michael Honer, Rachel Woodard 2006-4-17 2190 B Los Angeles Tehachapi Mountains area, Oso Canyon; c. 1 mile north of Quail Lake; 1 mile west of cement plant road 1067 Comment
  RSA0092325  Camissonia campestris subsp. campestris R. G. Swinney 2011-4-20 14432 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1220 Comment
  RSA186760  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-7-10 17954 Los Angeles Wilson Cove, San Clemente Island. 91 Comment
  RSA448988  Camissonia hirtella Robin S. Collins 1973-5-15 288 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA596838  Camissonia ignota Tim S. Ross, J. Mark Porter 1995-5-4 8493 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  POM96025B  Camissonia ignota P. A. Munz 1926-4-4 10018 B Los Angeles 2 miles north of Saugus. Comment
  UCR131401  Camissonia micrantha Alison Lipman 1998-5-28 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
  RSA454095  Camissonia strigulosa Fay A. MacFadden 1931-3-15 42 -E Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA570284  Camissonia strigulosa Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4961 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA725218  Camissonia strigulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -30 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA75384  Camissonia strigulosa F. W. Peirson 1951-5-13 344 Los Angeles Arroyo Seco, Pasadena. Comment
  SDSU3319  Camissoniopsis bistorta H. Wedberg 1957-3-26 12 Los Angeles About 1/4 mile east of Killgore Street, Playa del Rey. 32 Comment
  RSA0103470  Camissoniopsis confusa R. G. Swinney 2011-5-10 14648 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA730132  Cannabis sativa LeRoy Gross 2008-2-14 s.n. Los Angeles Claremont. East side of Mills Avenue, just south of Sixth Street. 366 Comment
  LA32260  Capsella bursa-pastoris Peter H. Raven; Henry J. Thompson 1959-5-5 14145 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA662142  Capsella bursa-pastoris Carol Zuck 1981-2-3 3 Los Angeles 1443 A Springfield St. Upland. Comment
  CATA3245  Cardamine californica Amy Catalano 2017-2-10 002 Los Angeles Santa Catalina Island: West End Rd., south side, between Cherry Valley and Fourth of July Cove, 140 meters from entrance to Cherry Valley 0 Comment
  RSA724804  Cardamine californica K. Dobry 1992-4-14 d- 1137 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  POM369319  Cardamine californica var. integrifolia Richard C. Barkelew 1929-4-23 15964 Los Angeles Mulholland Highlands near LA. Comment
  RSA0062694  Carex R. G. Swinney 2010-10-13 14017 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
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Sep 12 2018
  UCR182756  Carex R. G. Swinney 1997-7-22 5708 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
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Sep 12 2018
  RSA598356  Carex alma L. C. Wheeler 1967-5-24 9750 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA669334  Carex alma LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 558 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  UCR273809  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UC284915  Carex hassei P. A. Munz 1923-5-25 6808 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  RSA774597  Carex multicaulis Orlando Mistretta, Christine Mistretta 2010-6-10 5291 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 4.33 road miles (2.07 air miles), S of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1229 Comment
  UCR271987  Carex multicaulis R. G. Swinney 2011-6-20 15217 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  CAS-BOT-BC32077  Carex multicaulis Robert F. Thorne; M. Z. Thorne 1967-7-19 37148 Los Angeles San Gabriel Mts. Angeles National Forest. Crystal Lake Recreation area. 1554 Comment
  RSA756007  Carex praegracilis Orlando Mistretta, Christine Mistretta 2008-4-29 2551 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  RSA88757  Carex praegracilis F. W. Peirson 1918-4-28 1624 Los Angeles Southeast of El Monte. Comment
  UCR180371  Carex praegracilis Scott D. White, Pam Devries 2006-5-9 11417 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR29126  Carex praegracilis A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 1551 Los Angeles Peace Valley, c. 3 mi SE of Gorman on the Old Gorman Post Road Comment
  SEINET3908519  Carex schottii Louis C. Wheeler 1933-5-12 1722 Los Angeles Shaded stream bed, Puddingstone Canyon, San Jose Hills.; 0 244 Comment
  UC1971608  Carex schottii Louis C. Wheeler 1968-7-3 s.n. Los Angeles SAN GABRIEL MOUNTAINS: North side of Bichota Canyon, east of heliport. Comment
  UCR101237  Carex schottii L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mtns., foot of Holiday Hill Ski Lift [c. 1 mi. SE of Big Pines] 1997 Comment
  UCD123073  Castilleja Gordon Pilone 1961-3-3 108 Los Angeles Padua Hills, 100 yards above Spanish restaurant. San Gabriel Mt. Range. 396 Comment
  LA82996  Castilleja affinis O. H. Kappler; 1944-6-14 Los Angeles San Gabriel Mountains, Pacoima Canyon 1158 Comment
  UCSB45210  Castilleja affinis subsp. affinis Batson, J. 1979-3-10 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  RSA296368  Castilleja applegatei subsp. martinii R. C. Bacigalupi, C. L. Custer 1954-4-4 4391 Los Angeles Millard's Public Camp, Angeles National Forest, in Millard's Canyon, lower reaches of the San Gabriel Mountains, directly back of Altadena 556 Comment
  CATA235  Castilleja exserta Mark L. Hoefs, A. Douglas Propst 1973-5-4 228 Los Angeles Santa Catalina Island: By Thompson Dam, middle canyon, south exposure 213 Comment
  SEINET13772892  Castilleja exserta G. B. Grant 1904-5-24 885 Los Angeles Lincoln Park. Comment
  RSA402089  Castilleja exserta subsp. exserta Thekla Mohr 1917-03 3460 Los Angeles San Gabriel Mountains. Comment
  UCSB9634  Castilleja exserta subsp. exserta Krogen, Roger 1957-1 Los Angeles in bottom of Hasley Canyon in flood bed; 2 mi. NW of Hwy 99; 2 mi. S of Castaic Comment
  SFV6449  Castilleja exserta subsp. venusta T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 202 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  JEPS19356  Castilleja foliolosa Marcus E. Jones, A. M. 1882-2-25 2827 Los Angeles Pasadena Comment
  RSA598587  Castilleja foliolosa Louis C. Wheeler 1967-5-24 9728 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  SBBG79250  Castilleja foliolosa F. R. Fosberg 1932-5-6 8128 Los Angeles Big Wash Cyn (cyn bottom), Avalon 50 Comment
  RSA400571  Castilleja foliolosa H. Twining 1906-04 s.n. Los Angeles Elysian Park. Comment
  SBBG45681  Castilleja foliolosa Leota Davidson 1966-3-18 333 Los Angeles Tick Cyn off Soledad Cyn Comment
  UC1018207  Castilleja foliolosa J. Warren 1952-5-3 Los Angeles Mt. Baldy 1219 Comment
  RSA448650  Castilleja linariifolia Roger Minahan 1934-06 20144 Los Angeles Valyermo, San Gabriel Mountains. Comment
  UCR256587  Castilleja linariifolia Anuja Parikh, Nathan Gale 2011-6-7 3422 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, 3.9 km west of State Hwy 14, 1.8 km SW of California Aqueduct 1040 Comment
  UCR149885  Castilleja miniata R. G. Swinney 1999-6-18 7326 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  POM175354  Castilleja minor subsp. spiralis E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mtns., trail above Camp Coldbrook Comment
  RSA622839  Castilleja minor subsp. spiralis Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  UCR209634  Castilleja minor subsp. spiralis R. G. Swinney 2008-10-10 9546 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  SD215667  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 Los Angeles San Gabriel Mountains: Big Rock Creek, 3/4 mile north of Big Rock Springs 1157 Comment
  UCR238988  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2010-5-24 3212 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.0 km west of State Hwy 14, 1.6 km southwest of California Aqueduct, under powerlines 1005 Comment
  UCR271573  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA0086404  Caulanthus amplexicaulis var. amplexicaulis Orlando Mistretta 1995-4-11 1609 Los Angeles San Gabriel Mountains, Santiago Canyon. canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1006 Comment
  RSA0121920  Caulanthus cooperi Orlando Mistretta 1995-3-24 1570 Los Angeles San Gabriel Mountains: Carr Canyon. 1341 Comment
  RSA678397  Caulanthus coulteri V. Soza, LeRoy Gross 2002-4-3 1384 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 564 Comment
  CAS-BOT-BC38373  Caulanthus coulteri H. M. Hall 1902-5-1 3060 Los Angeles Antelope Valley, southern California. Vicinity of Elizabeth Lake. 1066 Comment
  SBBG12229  Caulanthus lasiophyllus P. H. Raven 1962-4-9 17177 Los Angeles above Wilson Cove 60 Comment
  UCR276780  Caulanthus lasiophyllus R. G. Swinney 2011-4-1 14309 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  SD90527  Caulanthus lasiophyllus Robert F. Thorne 1973-4-11 42860 Los Angeles San Clemente Island; middle portion of Norton Canyon, on canyon floor. 274 Comment
  CAS-BOT-BC39567  Caulanthus major Gale Sphon 1959-6-27 385 Los Angeles San Gabriel Mountains. Angeles National Forest. Big Rock Canyon. Icy Springs. Comment
  RSA0060227  Ceanothus arboreus M. B. Dunkle 1928-3-11 1731 Los Angeles Santa Catalina Island. Upper canyon slopes, Grand Canyon. 366 Comment
  CAS-BOT-BC48746  Ceanothus crassifolius Geo. B. Grant 1901-1-1 s.n. Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  CAS-BOT-BC48757  Ceanothus crassifolius Timothy S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle: along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary 1072 Comment
  RSA398872  Ceanothus crassifolius Albert J. Perkins 1913-2-23 s.n. Los Angeles Mt. Wilson Trail. 762 Comment
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Jun 16 2012
  UC449691  Ceanothus crassifolius Marcus E. Jones 1882-2-25 3022 Los Angeles Pasadena Comment
  SD230279  Ceanothus greggii var. vestitus Steve Boyd, T. S. Ross, L. Moore, V. Soza 1997-7-8 10002 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon watershed, along Sawmill Mountain Road (7N23), ca. 0.7 miles from junction with Maxwell Truck Trail and Burnt Peak road. 1500 Comment
  RSA660188  Ceanothus integerrimus Orlando Mistretta 1992-7-9 649 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  LA44857  Ceanothus leucodermis Carl Epling; 1943-4-12 sn Los Angeles Little Rock Creek Camp, near Palmdale Comment
  SD254696  Ceanothus leucodermis R. G. Swinney 2011-7-8 15484 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5'Q) 1427 Comment
  LA52220  Ceanothus megacarpus Robert Fowler; 1935-1-18 4541 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  RSA127958  Ceanothus megacarpus Peter H. Raven 1959-3-1 13826 Los Angeles Griffith Park, north of junction of Vista del Valle Drive with Hollywood Drive. 396 Comment
  RSA399108  Ceanothus megacarpus Ora M. Clark 1929-2-3 1497 Los Angeles Topanga Canyon. Comment
  HSC79119  Ceanothus megacarpus subsp. insularis James Henrickson Jan 1973 8121 Los Angeles 2 air miles WNW of Avalon. Comment
  RSA190993  Ceanothus megacarpus var. insularis Robert F. Thorne, Doug Propst, R. Caroline, Reed Rollins 1967-3-18 36733 Los Angeles Santa Catalina Island. Salta Verde, approx. N of Salta Verde Pt. 366 Comment
  SBBG18711  Ceanothus megacarpus var. insularis E. R. Blakley 1963-4-10 5573 Los Angeles NE side of Black Jack Mtn 396 Comment
  CAS-BOT-BC32699  Ceanothus oblanceolatus Mrs. W. W. Hutchinson 1921-5-1 3412 Los Angeles Bouquet Canyon Comment
  CAS-BOT-BC50497  Ceanothus oliganthus Wesley O. Griesel 1959-3-28 s.n. Los Angeles Verdugo Hills 609 Comment
  CAS-BOT-BC50500  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 a Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  LA43648  Ceanothus oliganthus Zaitlin; 1951-3-17 sn Los Angeles Angelus Crest Hwy S Side 731 Comment
  RSA642711  Ceanothus oliganthus var. oliganthus Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA1117  Ceanothus spinosus B. D. Stark, H. E. McMinn 1929-8-25 1403 Los Angeles Seminole Hot Spring Comment
  UCR191269  Ceanothus vestitus R. G. Swinney 1998-7-2 6207 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CDA1995  Cenchrus longispinus T. C. Fuller 1958-8-6 3960 -B Los Angeles Mojave Desert; 9 mi E of Lancaster; W side of Street E, 0.25 mi S of Ave I. 0 Comment
  SBBG31374  Centaurea melitensis R. F. Thorne with P. C. Everett 1965-5-10 34435 Los Angeles Cape Cyn 274 Comment
  UCR178377  Centaurea solstitialis LeRoy Gross 2001-1-13 333 Los Angeles Transverse Range; Verdugo Mountains, radio facility on top of main crest, just above where Whiting Woods Mountainway and Verdugo Mountainway connect 926 Comment
  UCD130090  Centaurea solstitialis Robert F. Thorne 1966-9-14 36624 Los Angeles Santa Catalina Island, Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA0029401  Centaurium exaltatum Justin M. Wood, K. VinZant, T. Valentovich 2012-6-6 4778 Los Angeles Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  UC61538  Centaurium venustum Ernest Braunton Jun 1903 892 Los Angeles Glendale to Burbank Comment
  SD130346  Centranthus ruber Heather Vinter 1990-4-14 27 Los Angeles Palos Verdes Peninsula, on side of Eastfield Road 518 Comment
  UCR189655  Centrostegia thurberi R. G. Swinney 1998-5-16 6058 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR142795  Ceratophyllum demersum L. C. Wheeler 1933-10-22 2196 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  RSA453271  Cercocarpus betuloides Anstruther Davidson 1916-6-1 3156 Los Angeles Hollywood Comment
  UCSC001443  Cercocarpus betuloides Peter Kamb 1948-3-6 1470 Los Angeles Southern crest of the San Rafael Hills San Rafael Hills Comment
  CAS-BOT-BC142102  Cercocarpus betuloides var. betuloides Geo. B. Grant 1902-6-1 s.n. Los Angeles Summit of Mt. Lowe 1676 Comment
  CAS-BOT-BC137245  Cercocarpus betuloides var. blancheae H. E. McMinn 1924-7-25 1324 Los Angeles Catalina Island Comment
  JEPS45565 Image available Cercocarpus betuloides var. multiflorus W. L. Jepson 1908-7-12 3041 Los Angeles near Avalon (Santa Catalina Island); Santa Catalina Island Comment
  CAS-BOT-BC147720  Cercocarpus betuloides var. traskiae Peter H. Raven 1962-5-20 17775 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  UC1971390  Cercocarpus ledifolius Louis C. Wheeler 1946-8-25 6236 Los Angeles San Gabriel Mountains; northerly end Pine Flats. Comment
  CAS-BOT-BC143814  Cercocarpus ledifolius var. ledifolius Hasse 1907-7-1 s.n. Los Angeles Mt. Yslep, San Gabriel Range 2511 Comment
  UCR155358  Chaenactis glabriuscula A. C. Sanders 2005-5-5 29870 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  CAS-BOT-BC277326  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; Henry J. Thompson 1959-6-4 14316 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  CAS-BOT-BC277378  Chaenactis glabriuscula var. glabriuscula S. B. Parish 1918-6-5 11866 Los Angeles Playa del Rey Comment
  UC53913  Chaenactis glabriuscula var. glabriuscula Ernest Braunton 1902-6-8 429 Los Angeles Ballona Comment
  CAS-BOT-BC277377  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1913-5-16 5497 Los Angeles Redondo Comment
  POM66517  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  OBI16832  Chaenactis santolinoides Rimo Bacigalupi, G. Thomas Robbins and L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of So. Fork of Little rock Crk Cyn, higher N slopes of the San Gabriel Mts, Angeles Natl forest 1554 Comment
  SBBG112160  Chaenactis santolinoides C. Bornstein, E. Collins 1997-4-14 Los Angeles Liebre-Sawmill Mtn Rd [USFS 7N23], Liebre Mtns 1348 Comment
  SEINET3859872  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  CDA10728  Chaenactis stevioides G. D. Barbe, T. C. Fuller 1973-4-6 1190 Los Angeles 4 miles south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway. 0 Comment
  POM351853  Chaenactis xantiana A. Menke 1955-4-16 s.n. Los Angeles 1 mile south-east of Gorman. Comment
  RSA674272  Chamaesyce melanadenia LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 706 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 622 Comment
  RSA498538  Chamaesyce melanadenia L. S. Rose 1934-12-26 34521 Los Angeles Rocky slopes. San Gabriel Mts. Comment
  RSA187771  Chamaesyce serpillifolia R. F. Thorne 1966-9-14 36654 Los Angeles Santa Catalina Island: behind Ben Weston Beach. 3 Comment
  SEINET804424  Cheilanthes covillei L. L. Kiefer 1957-1 3119 Los Angeles San Gabriel Mountains, NE of Sunland, Delta Canyon, trib of Big Tujinga Canyon, ca 3/4 mile up. 701 Comment
  UC1595344  Cheilanthes covillei Tim Ross 1992-5-17 6363 Los Angeles sse-draining draw 64 degrees 645 m distant from mouth of Shoemaker Canyon (E Fork San Gabriel River); San Gabriel Mts 710 Comment
  UCR255483  Chenopodium Dan S. Cooper 2014-6-12 614- 14 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, west edge of Wilson-Harding Golf Course, east of Boys Camp Rd. 149 Comment
  CLARK-A1528-2553  Chenopodium album John C. Roos 1947-8-17 Los Angeles San Fernando Valley Comment
  RSA550709  Chenopodium ambrosioides T. S. Ross, Annette Ross 1991-7-29 5714 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 243 Comment
  RSA64758  Chenopodium ambrosioides F. W. Peirson 1923-1-21 5270 Los Angeles Pond north of East Lake Park, Los Angeles. Comment
  SD90371  Chenopodium atrovirens Robert F. Thorne, J. Dourley 1967-10-10 37342 Los Angeles San Gabriel Mts., Angeles National Forest; Blue Ridge 2255 Comment
  RSA547828  Chenopodium botrys T. S. Ross, Peter Fritsch 1990-6-20 3641 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  UC625088  Chenopodium californicum F. R. Fosberg 1931-3-18 S 4283 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  UCR193571  Chenopodium californicum R. G. Swinney 1999-4-5 7049 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
  UCR272630  Chenopodium leptophyllum R. G. Swinney 2011-9-22 15669 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA595001  Chenopodium murale Mark Hoefs, R. F. Thorne 1996-4-6 2611 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  UCR258838  Chenopodium murale R. G. Swinney 2010-3-16 11918 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
  RSA536073  Chenopodium murale T. S. Ross 1991-5-21 5414 Los Angeles San Clemente Island, upper reaches of Box Canyon, SW side of island 404 Comment
  SFV21036  Chenopodium strictum var. glaucophyllum L. Gross 2001-11-10 455 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). 457 Comment
  CAS-BOT-BC451359  Chimaphila menziesii LeRoy Abrams 1901-7-10 1891 Los Angeles Wilson's Peak Comment
  CAS-BOT-BC184878  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  SBBG132187  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-12 2167 Los Angeles 2.9 km SE of Hwy 126, 2.1 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 380 Comment
  SD241136  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 (Newhall 7.5'Q) 319 Comment
  POM6768  Chorizanthe parryi var. parryi P. A. Munz 1919-5-13 2790 Los Angeles Claremont. Comment
  SDSU21089  Chorizanthe spinosa Ian Cain 2010-5-9 1398 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east 1003 Comment
  RSA552395  Chorizanthe staticoides D. Charlton 1990-5-12 4213 Los Angeles Kentucky Springs, Sierra Highway; northern edge of Angeles National Forest. 1037 Comment
  RSA709536  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCD99990  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns.: ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch. 366 Comment
  RSA582802  Chorizanthe staticoides subsp. staticoides Tim S. Ross, S. D. Boyd 1993-5-23 7226 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  UCR146469  Chorizanthe watsonii Orlando Mistretta 1992-5-25 433 Los Angeles Transverse Ranges; San Gabriel Mountains, Fenner Canyon Conservation Camp, between camp boundary and water tower 1713 Comment
  UCR190765  Chorizanthe watsonii R. G. Swinney 2001-6-2 7958 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  UCR214630  Chrysanthemum coronarium A. C. Sanders, Dan S. Cooper 2010-3-12 37366 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SFV6846  Chrysolepis sempervirens T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 588 Los Angeles San Gabriel Mountains Trail to Mount Baden-Powell. 2439 Comment
  POM351983  Chrysothamnus nauseosus subsp. hololeucus Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SBBG60484  Chylismia claviformis subsp. claviformis R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  UC1184393  Chylismia claviformis subsp. claviformis Peter H. Raven 1958-3-23 11958 Los Angeles 4.3 mi s Pearblossom; Big Rock Creek Comment
  SDSU3781  Cirsium occidentale R. M. Beauchamp 1967-1-27 125 Los Angeles In canyon behind Wilson Cove pier, San Clemente Island. Comment
  POM352154  Cirsium occidentale var. californicum Geo. L. Moxley 1915-7-4 353 Los Angeles Arroyo Seco Canyon. Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA522432  Cirsium occidentale var. californicum Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4019 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  RSA588921  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2931 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  UC1211148  Cirsium occidentale var. occidentale Huron H. Smith 1912-5-26 5004 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 30 Comment
  UC1215143  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles small arroyo above Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  UC284258  Cirsium occidentale var. occidentale P. A. Munz 1923-4-12 6781 Los Angeles slope above Casa Blanca; San Clemente Island Comment
  UCR127640  Cirsium occidentale var. occidentale Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2912 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA0059667  Cirsium occidentale var. occidentale Louis C. Wheeler 1932-4-30 671 B Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
  UC127562  Cirsium occidentale var. venustum H. M. Hall 7399 Los Angeles Elizabeth Lake Comment
  LA105097  Cirsium vulgare Barry A. Prigge; 1988-7-3 8163 Los Angeles Santa Monica Mountains, Calabasas, 0.2 mi E of N-jtn of Mulholland Hwy and Old Topanga Rd, 0.1 mi S of Calabasas High School 313 Comment
  RSA716665  Cistanthe monandra Scott D. White, Pam De Vries 2006-5-10 11448 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
  CAS-BOT-BC438960  Cistanthe monosperma Tim Ross; Steve Boyd 1993-5-23 7285 Los Angeles Liebre Mountains, NW Los Angeles Co. Upper Clearwater Canyon: margin of USFS road (6N24), ca 790 m ENE of Ruby Canyon/Clearwater Canyon saddle. 873 Comment
  SBBG126986  Cistus incanus A. Parikh, N. Gale 2011-7-23 3572 Los Angeles W Fork San Gabriel River, 0.3 km SW of Cogswell Dam; San Gabriel Mtns 784 Comment
  SFV5496  Clarkia bottae W. A. Kelley Apr 1967 s. n. Los Angeles Santa Monica Mountains Studio City near Laurel Canyon. Comment
  UCD104376  Clarkia bottae J. E. Law Date Unknown 253 Los Angeles Eaton Canyon trail, over Oak Flat. Comment
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Sep 23 2017
  CAS-BOT-BC167112  Clarkia cylindrica A. C. Sanders; Mark A. Elvin 2003-6-18 26941 Los Angeles Santa Susana Mountains: along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  UCR78091  Clarkia deflexa David Charlton 1991-7-5 5511 Los Angeles San Gabriel Mtns., Elizabeth Lake Canyon, Lake Hughes Rd. bridge near Warm Spring Cyn. 396 Comment
  POM3116  Clarkia dudleyana C. F. Baker 1903-8-2 3665 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA729105  Clarkia dudleyana R. G. Swinney, D. W. Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  SD129441  Clarkia elegans John Adams 1964-5-8 40 Los Angeles Pomona College Wash, Claremont. 334 Comment
  UC373501  Clarkia epilobioides C. L. Hitchcock 1928-5-3 48 Los Angeles Santa Anita Canyon Santa Monica Mts. 200 Comment
  RSA725650  Clarkia purpurea Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 425 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove. 45 Comment
  LA82400  Clarkia purpurea subsp. quadrivulnera O. H. Kappler; 1940-5-28 703 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA127870  Clarkia purpurea subsp. quadrivulnera H. J. Thompson 1959-5-24 2019 Los Angeles 0.6 mi ENE of peak, Saddle Peak. Comment
  RSA733046  Clarkia rhomboidea R. G. Swinney 1998-7-10 6354 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground. 1598 Comment
  UCR143554  Clarkia xantiana subsp. xantiana Orlando Mistretta, Steve Boyd 1995-5-23 1730 Los Angeles Transverse Ranges; San Gabriel Mtns., Bare Mountain Canyon 1905 Comment
  RSA580452  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd 1994-5-11 7813 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  UCR186489  Claytonia parviflora T. B. Salvato 2007-4-27 2091 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  UCR217429  Claytonia parviflora R. G. Swinney 2009-2-26 10041 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR273296  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-10 14644 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA680108  Claytonia parviflora subsp. viridis LeRoy Gross, Michael Denslow 2003-6-4 988 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  UCR125429  Claytonia perfoliata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25714 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  OBI60242  Claytonia perfoliata Tony Simon 1994-5-19 35 Los Angeles Brown Cyn, Desoto exit 118 fwy 61 Comment
  RSA0093119  Claytonia perfoliata subsp. mexicana Richard G. Swinney 2011-3-26 14197 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 Canyon. 476 Comment
  RSA660520  Claytonia perfoliata subsp. mexicana Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 15 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA527822  Claytonia perfoliata subsp. perfoliata Timothy S. Ross, Steve Boyd 1990-6-18 3477 -A Los Angeles Ball Flat, 1500 m due N of Jackson Lake. 1756 Comment
  RSA0117597  Claytonia rubra subsp. rubra A. C. Sanders 2008-4-11 34851 Los Angeles Transverse Range/ Mojave Desert: hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM Pine. 973 Comment
  SD113805  Clematis lasiantha Darley F. Howe 1947-3-22 1512 Los Angeles Las Flores Canyon, Malibu Mts. Comment
  UC1595320  Clematis lasiantha Tim Ross and Orlando Mistretta 1992-7-24 6757 Los Angeles e. side Strawberry Peak (1080 meters distant form S.P. summit, 96 degrees E); San Gabriel Mts. 1505 Comment
  UCR129379  Clematis ligusticifolia Orlando Mistretta 1994-9-13 1469 Los Angeles San Gabriel Mtns, Santiago Canyon, Santiago Creek near junction of Forest Service Road 4N20 and BM 3980 1213 Comment
  UCR223246  Clematis ligusticifolia R. G. Swinney 2009-7-22 11366 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR95277  Clematis ligusticifolia Steve Boyd, Lauren Raz 1996-9-24 8951 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  RSA440782  Cleome isomeris M. A. Salazar 1969-8-16 s.n. Los Angeles Vicinity of Goreman, off State Hwy 99 915 Comment
  SBBG66413  Collinsia bartsiifolia var. davidsonii R. Hoffmann 1929-4-27 Los Angeles Lancaster Comment
  UCR98228  Collinsia bartsiifolia var. davidsonii B. G. Pitzer 1996-4-20 2685 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  SEINET12268905  Collinsia bartsiifolia var. davidsonii J. F. Bright, Wyman, C. 1931-1 5289 Los Angeles in Antelope Valley Comment
  RSA79796  Collinsia callosa F. W. Peirson 1922-6-3 4490 Los Angeles East of Oak Grove Creek Divide, Liebre Mts. 1174 Comment
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Jan 18 2008
  HSC20592  Collinsia heterophylla C. S. Apperson 1966-4-29 4 Los Angeles Tapia Park vicinity near Malibu Cyn. in Santa Monica Mnts. Comment
  RSA408278  Collinsia heterophylla M. B. Dunkle 1939-4-6 7295 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA586533  Collinsia heterophylla Tim S. Ross 1992-5-24 6403 Los Angeles San Gabriel Mountains: Lower Brown's Gulch: just W of the San Gabriel Dam 463 Comment
  RSA408280  Collinsia heterophylla J. T. Howell 1928-5-6 3782 Los Angeles Big Santa Anita Canyon, San Gabriel Mountains, East Fork Trail. Comment
  SEINET8731909 Image available Collinsia heterophylla B. C. Templeton 1939-1 4586 Los Angeles Huntington Palisades, Santa Monica Mountains 640 Comment
  UCR273399  Collinsia heterophylla var. austromontana R. G. Swinney 2011-4-26 14494 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC240949  Collinsia parryi John Thomas Howell 1928-5-6 3780 Los Angeles On trail to Madrono [Madrono] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  RSA729841  Colutea arborescens R. G. Swinney 1999-6-18 7338 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
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Aug 9 2009
  UCR168354  Comarostaphylis diversifolia subsp. planifolia G. D. Wallace 1975-3-22 1404 Los Angeles Channel Islands, Santa Catalina Island, WNW of Mt. Orizaba, NNE of Mt. Banning, in canyon that is a branch of Cottonwood Canyon 287 Comment
  SBBG13722  Constancea nevinii P. H. Raven 1962-4-12 17312 Los Angeles below the Tomb 121 Comment
  SDSU4109  Constancea nevinii unknown 1940-5-20 3127 Los Angeles Catalina Island. Comment
  UC1929751  Constancea nevinii Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark 1996-4-19 147 Los Angeles Channel Islands; San Clemente Island: Top of cliffs of steepish bluffs. Comment
  CATA3437  Convolvulus arvensis Julia Parish, Olivia Reda, Tobias Nickel 2017-6-20 030 Los Angeles Santa Catalina Island: Pacific Side; near historic Genista linifolia population in Wild Boar Gully watershed 187 Comment
  POM355825  Conyza bonariensis L. C. Wheeler 1931-8-24 26 Los Angeles Roadside at edge of orchard 1 1/2 miles NNW Claremont 396 Comment
  UC57582  Conyza canadensis J. H. Barber 1896-10-15 34 Los Angeles Santa Monica Forestry Station Comment
  UCR210242  Conyza canadensis R. G. Swinney 2008-10-22 9661 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  CDA41365  Cordylanthus filifolius G. C. Fleischman 1943-8-4 s.n. Los Angeles On highway through San Gabriel Mountains to Palmdale. 0 Comment
  RSA732534  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin, C. Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, 'Grapevine Mesa' ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  CAS-BOT-BC105689  Corethrogyne filaginifolia W. R. O 73 -656 Los Angeles Small canyon along Rd. S.E. of Aedionda Lagoon between Palomar Airport and El Camino Real Comment
  CAS-BOT-BC105714  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  CAS-BOT-BC105724  Corethrogyne filaginifolia M. Canby 1925-11-28 12 Los Angeles North side of Newhall pass Comment
  RSA0092156  Corethrogyne filaginifolia R. G. Swinney 2011-10-27 15899 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  UC1119253  Corethrogyne filaginifolia P. L. Johannsen 1934-2-8 266 Los Angeles 1/8 mi e Saugus; Santa Susana Quadrangle Comment
  UC57585  Corethrogyne filaginifolia J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  UC63364  Corethrogyne filaginifolia Jos. Burtt Davy 1901-6-1 7772 Los Angeles Redondo Comment
  RSA482199  Corethrogyne filaginifolia var. bernardina Richard Noyes 1987-9-19 427 Los Angeles Claremont, intersection of Mills and Mt. Baldy Road. 500 Comment
  RSA0051646  Corethrogyne filaginifolia var. virgata A. Lee Haines 1971-9-27 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains. 259 Comment
  SD253380  Cotula australis R. G. Swinney 2011-3-26 14222 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 Canyon (Glendora 7.5'Q) 476 Comment
  CAS-BOT-BC287262  Cotula australis Louis C. Wheeler 1936-3-8 4081 Los Angeles Millard Canyon, San Gabriel Mts 457 Comment
  CLARK-A1528-1791  Cotula australis John C. Roos 1942-2-28 1004 Los Angeles Pomona Comment
  RSA658593  Cotula australis D. E. Bramlet, Sandra Leatherman, B. Leatherman 2001-5-3 3131 Los Angeles Slopes above (east) of Grasshopper Canyon and adjacent to a large cattle pond. The site is located 488m east of the old ridge route and 3.7 km north of the mouth of Grasshopper Canyon. 541 Comment
  CATA328  Cotula coronopifolia Mark L. Hoefs 1973-7-13 363 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, in stream bed 38 Comment
  UC485351  Cotula coronopifolia I. Johnston May 1917 1027 Los Angeles El Monte 82 Comment
  SFV3857  Cotula coronopifolia M. L. Vincent 1960-3-24 59 Los Angeles Santa Monica Mountains Temescal Canyon beside dry streambed. Comment
  SFV20988  Crassula connata L. Gross, V. Soza 2003-5-15 906 Los Angeles Verdugo Mountains Northwest side of Verdugo 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 came back down into a small canyon at the end of Elben Place just east of where started. North-facing slope near top of ridge. 518 Comment
  RSA725668  Crassula tillaea Steve Boyd 2003-1-17 10442 Los Angeles Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  UCR99457  Crassula tillaea L. C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam 305 Comment
  RSA0039068  Cressa truxillensis Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  POM47580  Cressa truxillensis I. M. Johnston 1924-8-29 s.n. Los Angeles 4 mi. S of Santa Ana. Comment
  SBBG13486  Crocanthemum greenei E. R. Blakley 1962-10-5 5433 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  SBBG128317  Crocanthemum scoparium M. L. Hoefs 1991-4-23 1148 Los Angeles around upper White's Landing Rd 451 Comment
  UC859051  Crossosoma californicum F. R. Fosberg 1931-4-8 S 4522 Los Angeles Santa Catalina Island 60 Comment
  LA204933  Croton californicus A. M. Johnson; 1928-3-13 2856 Los Angeles Del Rey Hills Comment
  LA82170  Croton californicus O. H. Kappler; 1941-5-22 273 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  RSA480555  Croton californicus James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  RSA0113589  Croton californicus Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1363 Los Angeles North Craig Ave., Altadena. Comment
  SBBG128122  Croton setiger M. L. Hoefs 1994-7-18 1879 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  CDA35296  Croton setiger Phillipson 1915-6-8 Los Angeles Monrovia. Comment
  UCR190374  Cryptantha circumscissa R. G. Swinney 2001-6-16 7989 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR147041  Cryptantha clevelandii L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, c. 0.5 mi [southeast] of Blum Ranch 945 Comment
  UCR143254  Cryptantha clevelandii var. florosa F. R. Fosberg 1932-3-28 10620 Los Angeles Southern Coast, hills between Del Rey and El Segundo 25 Comment
  RSA777917  Cryptantha decipiens R. G. Swinney 2009-5-6 10675 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  POM369516  Cryptantha intermedia E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA191109  Cryptantha intermedia R. F. Thorne, M. Z. Thorne 1967-6-25 37095 Los Angeles Between Cobal and Evey Canyons; 731 Comment
  SBBG63814  Cryptantha intermedia R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  SBBG63827  Cryptantha intermedia R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  SFV15337  Cryptantha intermedia J. C. Dittes, C. Dittes 1990-3-31 56 Los Angeles San Gabriel Mountains Along Little Tujunga Canyon Road, opposite to entrance of Wildlife Waystation. 640 Comment
  SFV3089  Cryptantha intermedia K. A. Wilson 1961-4-20 1148 Los Angeles San Gabriel Mountains Soledad Canyon. Sandy wash at base of Bee Canyon. 550 Comment
  UC56863  Cryptantha intermedia R. D. Williams 1902-2-12 Los Angeles Claremont Comment
  UCR200027  Cryptantha intermedia Valerie Soza, Susan Caplow 2003-4-11 1633 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway 549 Comment
  UCR209281  Cryptantha intermedia Dan S. Cooper 2009-4-9 409- 11 Los Angeles Eastern Santa Monica Mtns., Los Angeles, Griffith Park, Spring Canyon, above old zoo site 288 Comment
  SEINET8546012  Cryptantha intermedia var. intermedia G. B. Grant 1903-1 238 Los Angeles Pasadena. Comment
  SD107311  Cryptantha maritima M. B. Dunkle 1940-3-17 7403 Los Angeles San Clemente Island: south end cliffs Comment
  CAS-BOT-BC520382  Cryptantha micrantha var. micrantha Steve Boyd; Gary Wallace 2011-4-14 12315 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  SEINET8044069 Image available Cryptantha micromeres R. G. Swinney 2010-1 11887 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0070190  Cryptantha microstachys LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6951 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
  UC1293683  Cryptantha microstachys P. C. Everett and E. K. Balls 1959-6-2 23837 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 182 Comment
  UCR126545  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley, Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, north of the Santa Clara River 305 Comment
  UC1212093  Cryptantha muricata Peter H. Raven and David Verity 1960-5-7 15320 Los Angeles Arroyo Sequit, about 2 mi from ocean Santa Monica Mountains 91 Comment
  RSA0079447  Cryptantha muricata var. muricata R. G. Swinney 2008-4-30 8708 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Monroe Canyon. 549 Comment
  RSA0113377  Cryptantha nevadensis var. rigida LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7555 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCR153355  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles Transverse Ranges/San Gabriel Mtns region, E side of Punchbowl Canyon 1585 Comment
  UCR229162  Cryptantha oxygona Dan S. Cooper 2011-5-5 511- 53 B Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  SEINET3860020  Cryptantha pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SBBG63941  Cryptantha pterocarya var. pterocarya R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  RSA641428  Cryptantha simulans L. C. Wheeler 1967-7-15 10039 Los Angeles Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  IRVC28668  Cucurbita foetidissima A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25106 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  UCR149955  Cupressus arizonica subsp. arizonica Scott D. White 2004-5-10 10358 Los Angeles Liebre Mtns, N slope below Bald Mountain 1280 Comment
  LA201639  Cupressus forbesii Arthur C. Gibson; 2004-1-6 4999 Los Angeles 259 Comment
  RSA0091496  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  CAS-BOT-BC224494  Cuscuta californica Timothy S. Ross; Steve Boyd 1994-9-21 8285 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  SD230211  Cuscuta californica var. californica Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: Ridge at head of South Fork Alder Gulch. 2133 Comment
  SBBG58133  Cuscuta campestris R. Hoffmann 1928-7-7 Los Angeles near Acton Comment
  RSA409731  Cuscuta ceanothi G. R. Johnstone 1930-10-19 s.n. Los Angeles Near rosemead Comment
  UCR193644  Cuscuta indecora A. C. Sanders 2008-7-10 35731 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCD54441  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 11 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  UC1191661  Cuscuta salina Malcolm A. Nobs and S. Galen Smith 1948-9-8 648 Los Angeles just w Malibu Comment
  RSA586639  Cylindropuntia echinocarpa Orlando Mistretta 1995-6-1 1745 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
  CATA1512  Cynodon dactylon Mark L. Hoefs, Steven A. Junak 1996-7-9 2725 Los Angeles Santa Catalina Island: Just below Middle Ranch Reservoir overflow, Middle Canyon 170 Comment
  SBBG12179  Cynodon dactylon P. H. Raven 1962-7-10 17962 Los Angeles just above big dune near NW end of island Comment
  SBBG131969  Cynodon dactylon S. A. Junak, R. Philbrick 1990-11-8 SCI 129 Los Angeles Wilson Cove Comment
  SD252220  Cyperus Steven A. Junak 1999-7-17 Sca 1068 Los Angeles Santa Catalina Island. At W end of Rig fiField, plant stop. 213 Comment
  UCR179245  Cyperus eragrostis R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.4 mi. east of Glendora Mountain Road 442 Comment
  UCR273907  Cyperus eragrostis Steven A. Junak 1999-7-17 SCa- 1066 Los Angeles California Islands, Santa Catalina Island, just north of Patrick Reservoir, just south of new trans-island fenceline 412 Comment
  POM220642  Cyperus esculentus L. C. Wheeler 1932-8-9 1127 Los Angeles 2 miles SW [of] Azusa 107 Comment
  RSA365111  Cyperus odoratus F. R. Fosberg 1930-10-12 S- 3945 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] 20 Comment
  RSA782806  Cyperus odoratus A. C. Sanders, Dan S. Cooper 2010-8-5 38539 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UCR276966  Cystopteris fragilis R. G. Swinney 2010-6-8 13240 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  RSA229724  Datisca glomerata R. F. Thorne 1969-7-2 38216 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  UC1584051  Datisca glomerata Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4057 Los Angeles ne of Tie Summit Station (and e of Angeles Forest Highway, Angeles National Forest, Westerly drainage that meets Tie Canyon, Tujunga Ranger District); San Gabriel Mountains, Angeles National Forest 1463 Comment
  RSA13826  Datisca glomerata Victor Duran 1933-7-11 3518 Los Angeles Sulphur Spring, San Gabriel Mts. 1524 Comment
  UC519996  Datura stramonium Louis C. Wheeler 1932-8-17 1138 Los Angeles 2 mi n Claremont 411 Comment
  UCR223069  Datura wrightii R. G. Swinney 2009-5-6 10680 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  SBBG95227  Daucus pusillus M. B. Dunkle 1928-4-20 1900 Los Angeles Little Harbor Comment
  SD240821  Daucus pusillus R. G. Swinney 2009-4-7 10294 A Los Angeles Transverse Ranges: San Gabriel Mountains Foothills and S.G. Valley; Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd, on west side of San Gabriel River channel 168 Comment
  SD107920  Deinandra clementina Larry DeBuhr 1977-4-16 2563 Los Angeles Santa Catalina Island; coastal bluffs around Little and Shark Harbours. Comment
  CAS-BOT-BC299288  Deinandra fasciculata Le Roy Abrams 1901-4-4 1330 Los Angeles Chatsworth Park Comment
  SD240866  Deinandra fasciculata A. C. Sanders, Dan S. Cooper 2010-8-5 38575 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. Former oil field w / gravel service road remnants. 24 Comment
  SBBG36841  Deinandra minthornii D. D. Keck 1932-10-14 1953 Los Angeles N of Chatsworth city limits, on first hill W of Topanga Cyn Blvd, Santa Susana foothills 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
  SEINET1909553  Delphinium parryi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26151 Los Angeles Western San Gabriel Mtns: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  UCSB12967  Delphinium parryi Tinnin, Robert 1962-5-4 Los Angeles Mint Canyon Camp Ground; 7.9 miles northeast of Solemint on Highway 6 609 Comment
  CAS-BOT-BC116277  Delphinium parryi subsp. parryi C. B. Wolf 1932-5-9 3460 Los Angeles Santa Catalina Island. Junction of Skyline Drive & Pebbly Beach Road. 30 Comment
  SBBG110995  Delphinium parryi subsp. parryi A. Parikh, N. Gale 1998-5-28 LA- 5 Los Angeles S of Agoura Hills, on a steep NW-facing slope N of Triunfo Cyn Rd, near the intersection with Kanan Rd 260 Comment
  CAS-BOT-BC116278  Delphinium parryi subsp. parryi George B. Grant 1904-6-17 6425 Los Angeles Pasadena; Arroyo Seca Canyon Comment
  RSA730073  Delphinium patens R. G. Swinney, D. W. Larson 1999-5-15 7043 Los Angeles San Gabriel Mtns.: Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 549 Comment
  RSA670422  Delphinium patens subsp. hepaticoideum I. W. Clokey, Bonnie C. Templeton 1929-04 4433 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  RSA0029731  Delphinium patens subsp. montanum Robert F. Thorne, C. W. Tilforth 1971-6-30 40754 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  LA91402  Dendromecon rigida Bruce Douglas Clayton; Greg Shaw 1972-3-16 2 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus 518 Comment
  UCSB72076  Dendromecon rigida Partsch, M. 1977-3-4 Los Angeles On north side of Mulholland Drive, 8.3 mi. West of junction with San Diego Fwy (I-405) Santa Monica Mtns. 762 Comment
  JEPS53437  Descurainia pinnata Frank W. Peirson 1919-1-25 309 Los Angeles Arroyo Seco; San Gabriel Mountains 381 Comment
  UCR193726  Descurainia pinnata R. G. Swinney 1999-4-5 7039 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  JEPS9741  Dicentra ochroleuca I. W. Clokey and B. C. Templeton 1930-4-2 4615 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  POM97781  Dicentra ochroleuca H. E. Hasse 1889-07 s.n. Los Angeles Santa Monica Range. 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
  UC1409197  Dichelostemma capitatum Donald R. Bissing 1973-3-29 33 Los Angeles 1.9 mi from mouth of Evey Canyon (ne side of Evey Canyon); San Gabriel Mountains, Evey Canyon 807 Comment
  POM243783  Dichelostemma capitatum subsp. capitatum F. R. Fosberg 1931-3-25 S 4369 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 50 Comment
  RSA713816  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SEINET4063538  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1939-1 7208 Los Angeles San Clemente Island. Comment
  SDSU5660  Dichondra occidentalis Gerald Collier 1951-5-12 M 385 Los Angeles 3634 N. Muscatel Avenue, Rosemead. 10 miles east of county. Comment
  RSA0087331  Dimorphotheca sinuata R. G. Swinney 2010-3-13 11886 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  CAS-BOT-BC152901  Diplacus brevipes Alice Eastwood 1919-5-29 8927 Los Angeles San Gabriel Canyon Comment
  LA202380  Diplotaxis tenuifolia Arthur C. Gibson; 2003-8-11 4881 Los Angeles Santa Monica Mountains, E of Zuma Beach along Westward Beach Rd, S of Pacific Coast Hwy Comment
  RSA704044  Dissanthelium californicum Jenny L. McCune, Lauren K. Danner 2005-4-21 3 Los Angeles Santa Catalina Island. Second drainage East of Camp Cactus, where stream forks, South of road. 183 Comment
  POM483  Dithyrea californica Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA585330  Dithyrea californica Timothy S. Ross 1991-4-27 4689 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and1.2 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. 944 Comment
  RSA124711  Dodecatheon clevelandii subsp. clevelandii E. K. Balls, Percy C. Everett, R. J. Shaw 1958-1-8 22849 Los Angeles 4 mi. n. of Claremont, sw. of San Antonio Dam. 579 Comment
  RSA640505  Draba corrugata var. corrugata L. C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mountains: North slope of Middle (Mt. ?) Hawkins. Comment
  RSA515704  Drosanthemum floribundum A. C. Sanders 1986-7-30 6803 Los Angeles El Segundo Dunes, immediately W of LA International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA638862  Drymocallis glandulosa var. glandulosa Valerie L. Soza, Laura Moore 1999-6-30 597 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA733277  Drymocallis glandulosa var. reflexa R. G. Swinney 2001-6-2 7959 Los Angeles San Gabriel Mtns./Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  UC212318  Drymocallis glandulosa var. viscida I. M. Johnston 1918-7-6 2068 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (along small stream) 1981 Comment
  CATA162  Dryopteris arguta Mark L. Hoefs, A. Douglas Propst 1973-3-14 123 Los Angeles Santa Catalina Island: Cape Canyon 243 Comment
  LA200093  Dryopteris arguta Lawrence L. Kiefer; 1966-5-14 2024 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr., canyon N of road between Benedict Cyn Dr and Coldwater Canyon Dr. 304 Comment
  LA94247  Dryopteris arguta Lawrence L. Kiefer; 1966-3-27 1807 Los Angeles Santa Monica Mountains, Temescal Canyon, ca. 3 mi above Sunset Blvd 274 Comment
  SD92986  Dryopteris arguta W. Bertsch 1953-4-21 83 Los Angeles LIttle Dalton Canyon 365 Comment
  UCD101904  Dudleya cymosa subsp. marcescens Daryl Koutnik 1978-6-25 s.n. Los Angeles one mile south of Seminole Hot Springs. 335 Comment
  RSA640879  Dudleya cymosa subsp. pumila L. C. Wheeler 1967-8-8 10368 Los Angeles San Gabriel Mountains, Angeles National Forest: East Fork of Alder Creek at Chilao Flat 1555 Comment
  UC933295  Dudleya cymosa subsp. pumila Reid Moran 1946-5-30 2064 Los Angeles 2 mi above Coldbrook Guard Station (Soldier Canyon) 1158 Comment
  UC830960  Dudleya hassei F. R. Fosberg 1931-4-7 684 Los Angeles Hamilton Beach Santa Catalina Island 5 Comment
  CAS-BOT-BC411393  Dudleya lanceolata John Thomas Howell 1928-5-4 3771 A Los Angeles near Deer Park, Monrovia Canyon, San Gabriel Mts. Comment
  RSA632119  Dudleya lanceolata L. C. Wheeler 1932-7-9 950 Los Angeles San Gabriel Mountains: Rogers [Roberts] Canyon. 441 Comment
  UCR51828  Dudleya multicaulis L. C. Wheeler 1934-4-27 02572 Los Angeles San Gabriel Mtns., Marshall Creek 488 Comment
  UC1543922  Dudleya palmeri Peter H. Raven and David Verity 1960-5-7 15318 Los Angeles ca 2 mi from ocean (Arroyo Sequit); Santa Monica Mtns; (Lat. N. 34 degrees; Long. 118 to 119 degrees W.) 91 Comment
  SD129825  Dudleya virens Katherine Brandegee Unknown Los Angeles San Clemente Island. Comment
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Sep 9 2014
  UCSB11269  Dudleya virens Hancock, Dan 1961-3-30 Los Angeles 0.7 mi. south of Power Station, 150 ft. off of Pebble Beach Rd. 30 Comment
  RSA534967  Dudleya virens subsp. insularis F. R. Fosberg 1931-5-18 S 4890 Los Angeles Santa Catalina Island: Little Harbor Comment
  UCR259085  Dysphania ambrosioides R. G. Swinney 2010-9-1 13665 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  CATA1315  Dysphania pumilio Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2407 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  UCR217693  Echinochloa crus-galli A. C. Sanders, Dan S. Cooper 2010-8-5 38558 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA762338  Eclipta prostrata R. G. Swinney 2008-10-20 9649 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA711454  Eclipta prostrata LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2440 Los Angeles Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  UCD95147  Ehrendorferia ochroleuca Henry J. Thompson 1960-5-14 3059 Los Angeles Santa Monica Mountains, along road to Saddle Peak, just west of La Tuna Canon summit. 609 Comment
  RSA600924  Ehrharta calycina L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Morgan Canyon at Ferguson Motorway. 457 Comment
  SEINET10372426 Image available Ehrharta erecta Liz Makings, Merle Makings 2016-2-21 4795 Los Angeles Malibu; near the Reel Inn restaurant and Topanga Ranch Motel 10 Comment
  UCR97806  Ehrharta erecta Scott D. White 1997-3-12 4734 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR205135  Eleocharis macrostachya R. G. Swinney 2008-4-30 8697 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA177700  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-5-11 34661 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  UCR191277  Eleocharis parishii R. G. Swinney 1999-6-30 7472 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
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May 10 2012
  RSA729584  Eleocharis rostellata R. G. Swinney 1999-7-5 7496 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
  CAS-BOT-BC208517  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  CAS-BOT-BC208518  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  RSA584447  Elymus R. G. Swinney 1992-7-10 1849 Los Angeles East Baldy Peak. All plants collected within 50 yards of peak. 3049 Comment
  LA14805  Elymus condensatus W. S. L.; 1907-4-23 528 Los Angeles Garvanza Comment
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Jan 11 2015
  UCR274120  Elymus condensatus Steven A. Junak 2000-7-1 SCa- 1373 Los Angeles California Islands, Santa Catalina Island, Cape Canyon Comment
  RSA0080765  Elymus elymoides R. G. Swinney 2010-5-12 12734 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  UCR272589  Elymus elymoides subsp. elymoides R. G. Swinney 2011-8-5 15595 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA0091868  Elymus glaucus Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1547 Los Angeles Santa Catalina Island. S side of Fern Canyon (one of the middle S forks of Cottonwood Canyon), above first creek crossing in road up Fern Canyon, ca. 0.5 mile upstream from junction with Cottonwood Canyon Road. 182 Comment
  RSA586456  Elymus glaucus subsp. glaucus Orlando Mistretta 1994-6-21 1384 Los Angeles San Gabriel Mountains, Santiago canyon, drainage northwest of Pacifico Mountain. 1646 Comment
  UC224200  Elymus glaucus subsp. jepsonii A. D. E. Elmer June 1902 3750 Los Angeles Acton Comment
  SEINET4674720  Elymus hispidus Tim Ross, Walter Appleby 1993-5-19 7172 Los Angeles Western San Gabriel Mtns: ca 120 m ESE of Wilson Canyon Saddle along old Forest Service loop road; San Fernando 7.5' USGS quad.; 0 960 Comment
  SBBG59339  Elymus multisetus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  IRVC28650  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  UCR210303  Elymus triticoides R. G. Swinney 2008-10-16 9589 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UC2029952  Elytrigia intermedia subsp. intermedia V. Soza, Naomi Fraga 2001-6-27 1302 Los Angeles Transverse Ranges, San Gabriel Mountains region: Sunset Ridge Fire Road (FS Raod 2N07), 0.7 mile east of Glendora Ridge Road, west of Sunset Peak. Comment
  RSA595453  Emmenanthe penduliflora Tim S. Ross, Victor W. Steinmann 1995-5-8 8565 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR129425  Emmenanthe penduliflora A. C. Sanders, Mark Elvin 2002-6-20 25211 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  CDA40327  Emmenanthe penduliflora Phillipson 1915-4-28 4 .1.A Los Angeles Monrovia. Comment
  SBBG31323  Emmenanthe penduliflora var. penduliflora R. F. Thorne with P. C. Everett 1966-5-11 Los Angeles N side of N beach of Little Harbor 15 Comment
  SD253464  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  UC1215188  Encelia californica Peter H. Raven 1962-5-9 17659 Los Angeles along road just n Guds; San Clemente Island 249 Comment
  UC895499  Encelia californica Ira W. Clokey, B. Templeton 1929-3-1 4453 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  LA6795  Ephedra nevadensis Carl Epling; M. Epling May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA584025  Ephedra viridis T. S. Ross, Steve Boyd 1990-5-29 2705 Los Angeles San Gabriel Mountains. Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just upstream from the Gaging Station. 1239 Comment
  LA211926  Epilobium angustifolium Duncan Bell; Caitlin Elam 2013-8-1 5561 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; S side of Prarie Fork; Pinke Mountain Ridge; Columbine Spring. 2174.0 Comment
  RSA798117  Epilobium canum Jane Tirrell 2012-7-25 LS 0120 Los Angeles Approx 500 ft of east of California State Route 2 on east bank of drainage gully at mile marker 66.7 2258 Comment
  POM187613  Epilobium canum subsp. canum Joseph A. Ewan 1929-4-12 3479 Los Angeles Van Tassel Canyon above Azusa. Comment
  POM214396  Epilobium canum subsp. canum Louis C. Wheeler 1931-11-11 342 Los Angeles N side of Santa Monica Mountains; near Girard. 427 Comment
  UCR130209  Epilobium canum subsp. canum M. B. Dunkle 1928-10-7 1999 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch 229 Comment
  POM308134  Epilobium canum subsp. latifolium Henry J. Ramsey 1937-9-2 2941 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA448518  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barret Canyon off San Antonio Canyon, San Gabriel Mountains 1311 Comment
  RSA755875  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-16 9247 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  UCR204563  Epilobium ciliatum R. G. Swinney 2005-8-5 8380 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CATA1264  Epilobium ciliatum subsp. ciliatum Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2349 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  SEINET6637209 Image available Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1931-1 S 5370 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island 180 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
  SEINET3149904  Epilobium parishii G. B. Grant 1904-6-17 400 /6302 Los Angeles Pasadena Comment
  SD255597  Epipactis gigantea R. G. Swinney 2010-9-9 13765 Los Angeles San Gabriel Mountains: Big Cienaga, north of Crystal Lake Campground, 0.6 mile E of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Road. (Crystal Lake 7.5'Q) Comment
  SBBG77005  Equisetum laevigatum F. R. Fosberg 1931-4-15 R 90 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  UCR259990  Equisetum laevigatum R. G. Swinney 2010-3-16 11960 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
  UCSB8212  Equisetum laevigatum Wedberg, H. 1958-7-3 Los Angeles 5 mi below Crystal L., San Gabriel Mtns. Comment
  SD81984  Equisetum telmateia subsp. braunii J. Ewan 1931-10-24 Los Angeles Santa Monica Mountains, I(c) mile below Seminole Hot Springs Comment
  POM211415  Equisetum telmateia var. braunii L. C. Wheeler 1933-10-7 2164 Los Angeles Live Oak Canyon 686 Comment
  RSA712906  Eragrostis barrelieri A. C. Sanders, Mark A. Elvin 2002-8-27 25593 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, Santa River Valley, south of Hwy 126. 274 Comment
  RSA598653  Eremocarpus setiger L. C. Wheeler 1968-6-16 s.n. Los Angeles San Gabriel Mountains. Divide between Cucamonga Canyon and Stoddard Canyon. 1066 Comment
  UCR126163  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-24 108 Los Angeles Mojave Desert/San Gabriel Mtns., County Hwy S4 (204th St. East), 7.4 km south of Hwy 138, northern mouth of Grandview Canyon, along west side of Hwy S4 1396 Comment
  UCR126208  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-12 122 Los Angeles Transverse Range, Frazier Mountain Park Road, at junction with Hwy 5, adjacent to southbound onramp to Hwy 5, between onramp and highway 1280 Comment
  RSA0120737  Eriastrum pluriflorum subsp. sherman-hoytiae A. C. Sanders, E. J. Lott 1993-5-6 13984 Los Angeles Western Mojave Desert: SW edge of Rosamond Dry Lake, near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy, at edge of Edwards AFB. 701 Comment
  JEPS117040  Eriastrum sapphirinum David Gowen 2008-5-2 891 Los Angeles Near Llano on Hwy 138. 1028 Comment
  UC457329  Eriastrum sapphirinum Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR209507  Eriastrum sapphirinum R. G. Swinney 1969-6-13 602 Los Angeles San Gabriel Mtns., Glendora, foothills 0.6 mi. north of Sierra Madre Ave., 150 meters west of Easley Cyn. Rd. 381 Comment
  RSA0122864  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2008-6-4 8939 Los Angeles San Gabriel Mtns: Devils Punchbowl Co. Park, 0.2 mile north of park headquarters/nature center. 1430 Comment
  RSA0121286  Eriastrum sapphirinum subsp. sapphirinum Ernest Braunton 1902-5-27 s.n. Los Angeles Sherman. Comment
  RSA93275  Ericameria cooperi F. W. Peirson 1921-5-19 1245 Los Angeles Little Rock Creek 945 Comment
  SD42003  Ericameria cooperi var. cooperi Darley F. Howe 1947-5-4 Los Angeles Highway east of Mint Canyon. Comment
  CAS-BOT-BC287630  Ericameria linearifolia L. R. Abrams 1925-3-27 10888 Los Angeles Between Saugus and summit on road to Palmdale Comment
  RSA0108883  Ericameria linearifolia R. G. Swinney 2010-5-21 12872 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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA639573  Ericameria linearifolia L. C. Wheeler 1967-5-23 9683 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  RSA0116831  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-21 13863 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  SBBG62950  Ericameria nauseosa var. hololeuca R. Hoffmann 1931-10-23 Los Angeles Ridge Route (US Hwy 99) Comment
  CAS-BOT-BC298189  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17491 Los Angeles Mojave Desert: Antelope Valley: Highway 14 at Avenue B 731 Comment
  UCR101860  Ericameria palmeri Dan S. Cooper 1998-10-21 s.n. Los Angeles Puente Hills, c. 500 m east of intersection of Colima Rd. and Skyline Trail, between Hacienda Heights and La Habra Heights 274 Comment
  JEPS30501  Ericameria palmeri var. pachylepis Peter H. Raven and Henry J. Thompson 1959-10-31 14720 Los Angeles n of Wells Avenue Vanalden Avenue; Santa Monica Mountains, Tarzana 304 Comment
  UCR273160  Ericameria parishii R. G. Swinney 2011-10-18 15845 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
  RSA756952  Ericameria pinifolia Orlando Mistretta, Christine Mistretta 2008-4-17 2477 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  SBBG62776  Ericameria teretifolia R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  SEINET4691696  Ericameria teretifolia R. G. Swinney 2009-1 11602 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr. Canyon, N. of Mt Emma Rd. 908 Comment
  SD5427  Erigeron breweri Ruth Randall Jul 1931 Los Angeles Big Pines Comment
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Jul 5 2010
  POM122910  Erigeron breweri var. covillei Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont. 1524 Comment
  POM199713  Erigeron foliosus I. W. Clokey, B. C. Templeton 1929-06 4584 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UCR206457  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR270071  Erigeron foliosus R. G. Swinney 2011-7-21 15544 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  POM357451  Erigeron foliosus F. R. Fosberg 1931-7-9 5361 Los Angeles Santa Catalina Island; Avalon. 50 Comment
  CAS-BOT-BC296195  Erigeron foliosus var. foliosus W. R. Dudley 1907-11-22 s.n. Los Angeles Near Monrovia Comment
  LA94432  Erigeron foliosus var. foliosus J. A. Ewan; 1929-6-22 3438 Los Angeles Comment
  RSA532658  Erigeron foliosus var. foliosus Timothy S. Ross 1991-8-14 5768 Los Angeles Roundtop [Mtn], San Gabriel Mountains: 1707 Comment
  RSA0105393  Erigeron foliosus var. stenophyllus Henry J. Ramsey, Henry J. Ramsey 1937-8-29 970 Los Angeles Altadena. 396 Comment
  LA99374  Eriodictyon crassifolium E. R. Hobbs; 1978-4-23 78- 173 Los Angeles San Gabriel Mountains, Sand Canyon, Santa Clara River Valley, W part of range Comment
  SEINET4344737  Eriodictyon crassifolium Kay H. Beach 1943-5-11 1743 Los Angeles San Gabriel Mountains, upper part of Lewis Paul Canyon on Woods Trail 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
  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
  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
  CAS-BOT-BC376120  Eriodictyon trichocalyx var. trichocalyx Marck Menke 2002-3-29 132 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout north of the intersection with Glendora Ridge Road Comment
  SEINET3246222  Eriogonum angulosum Mark A. Elvin 2003-1 2949 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. 366 Comment
  UC184330  Eriogonum baileyi var. baileyi A. D. E. Elmer June, 1902 3690 Los Angeles Acton Comment
  CAS-BOT-BC241573  Eriogonum baileyi var. baileyi James L. Reveal 1978-6-25 4778 Los Angeles On the off-ramp of California Highway 14 and Avenue P north of Palmdale 792 Comment
  POM49218  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-06 3690 Los Angeles Acton. Comment
  RSA33901  Eriogonum cinereum Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA393151  Eriogonum cinereum E. A. Purer 1932-8-31 s.n. Los Angeles Palos Verdes Hills. Comment
  UC472168  Eriogonum cinereum J. Ewan 1931-10-24 5293 Los Angeles Escondido Canyon Santa Monica Mts., Escondido Canyon 304 Comment
  RSA0013638  Eriogonum davidsonii Orlando Mistretta, Youssef Atallah 2011-8-16 6036 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  RSA747268  Eriogonum davidsonii R. G. Swinney 2005-8-26 8525 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374 c. 1/2 mi. SW of Devil's Chair. 1933 Comment
  SD108962  Eriogonum elongatum var. elongatum James Henrickson 1972-11-2 8083 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  RSA393518  Eriogonum fasciculatum Ora M. Clark 1928-12-2 1319 Los Angeles N.E of Hollywood. Comment
  UCR231069  Eriogonum fasciculatum Dan S. Cooper 2011-9-1 s.n. Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail from near dead end of Briar Summit Dr., near Laurel Canyon at Woodrow Wilson Dr. 381 Comment
  SEINET3124346 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-4-29 10566 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert: Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence (Palmdale 7.5' Q). 945 Comment
  RSA547834  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Peter Fritsch 1990-6-20 3635 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA567257  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3868 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA657199  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30974 Los Angeles Verdugo Mountains: Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles. 385 Comment
  RSA766094  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan, Nesta Ewan 1936-8-5 9944 Los Angeles Mescal Creek, San Gabriel Mountains. 1372 Comment
  UC1032052  Eriogonum fasciculatum var. foliolosum P. L. Johannsen 1934-2-13 278 Los Angeles 3/4 mi se Junction, Haskell and Bouquet Canyon; Santa Susana Quadrangle Comment
  UCR276876  Eriogonum fasciculatum var. polifolium R. G. Swinney 2011-10-13 15778 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  CAS-BOT-BC250300  Eriogonum giganteum var. giganteum T. G. W. 1928-8-13 1831 Los Angeles Catalina Island Comment
  CAS-BOT-BC253452  Eriogonum gracile Abrams 1902-7-5 1561 Los Angeles Azusa Comment
  SBBG62115  Eriogonum gracile R. Hoffmann 1928-9-11 Los Angeles between Lang and Acton Comment
  RSA766141  Eriogonum gracile Raymond J. Dobbs 1922-8-3 s.n. Los Angeles San Gabriel Mountains. Lower arroyo near Teddy 396 Comment
  POM180154  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-11 5247 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  POM2333  Eriogonum gracile var. gracile L. R. Abrams 1901-09 s.n. Los Angeles Ballona Harbor. Comment
  UCR126627  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2003-8-7 27173 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127673  Eriogonum gracile var. gracile Mark A. Elvin 2003-8-13 2985 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  RSA393237  Eriogonum gracile var. gracile Anstruther Davidson 1899-6-25 s.n. Los Angeles Santa Monica Range, near Sherman. Comment
  SD66897  Eriogonum grande var. grande R. Mitchell Beauchamp 1967-3-17 257 Los Angeles San Clemente Island; on cliff above ocean east of Date 2 Comment
  UCR193620  Eriogonum heermannii R. G. Swinney 1999-8-16 7635 Los Angeles San Gabriel Mtns., Grandview Canyon, c. 1/4 mile north of All Nations Camp and Big Pines Highway 1732 Comment
  RSA65213  Eriogonum heermannii var. heermannii F. W. Peirson 1918-6-18 23 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1250 Comment
  RSA250555  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1967-10-3 37296 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  CAS-BOT-BC263040  Eriogonum maculatum A. D. E. Elmer 1902-6-1 s.n. Los Angeles Acton Comment
  RSA249799  Eriogonum maculatum Robert F. Thorne, C. W. Tilforth 1973-4-20 43002 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA587209  Eriogonum maculatum Orlando Mistretta, Christine Mistretta 1995-5-2 1663 B Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA766129  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1936-7-29 9856 Los Angeles Sw. slope of Table Mt. San Gabriel Mts. 2134 Comment
  LA32287  Eriogonum parvifolium Henry J. Thompson; 1958-10-23 1815 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  SD38703  Eriogonum parvifolium var. parvifolium Edith A. Purer 1933-10-7 5584 Los Angeles Partially stabilized sand dunes, El Segundo Comment
  UCR240023  Eriogonum plumatella R. G. Swinney 2009-11-13 11597 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA0012046  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA660143  Eriogonum saxatile Orlando Mistretta 1992-7-9 664 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  CAS-BOT-BC267614  Eriogonum saxatile Louis C. Wheeler 1970-7-25 s.n. Los Angeles Heliport 0.3 mile north of South Mt. Hawkins, San Gabriel Mountains 2286 Comment
  CAS-BOT-BC267624  Eriogonum saxatile W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Markham back of Mount Lowe Comment
  RSA617230  Eriogonum umbellatum var. minus LeRoy Gross 1998-8-22 47 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  UCR141580  Eriogonum umbellatum var. minus June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  UCR202537  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8016 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  RSA733569  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  IRVC26181  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  RSA660807  Eriophyllum confertiflorum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 6 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SD66908  Eriophyllum confertiflorum R. Mitchel Beauchamp 1967-3-18 298 Los Angeles San Clemente Island, on canyon slopes below Lemon Tank. Comment
  UCR223013  Eriophyllum confertiflorum R. G. Swinney 2009-5-5 10630 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR258557  Eriophyllum confertiflorum R. G. Swinney 2010-5-29 13019 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR271524  Eriophyllum confertiflorum R. G. Swinney 2011-3-18 14134 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  SD251667  Eriophyllum confertiflorum F. R. Fosberg 1931-3-26 S 4397 Los Angeles Santa Catalina Island; Sea Bluffs west of Hamilton Canyon. 39 Comment
  SBBG61128  Eriophyllum confertiflorum var. confertiflorum V. Duran 1933-7-8 3502 Los Angeles Horse Flats 1676 Comment
  RSA649695  Eriophyllum pringlei Michael Horn 1991-5-7 26 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  UCR123636  Eriophyllum wallacei Steven R. Hill, K. Kramer 2001-4-22 33374 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
  POM202252  Erodium botrys P. A. Munz 1934-4-2 13145 Los Angeles Puddingstone Canyon, San Dimas. 305 Comment
  SEINET12182128  Erodium botrys J. F. Bright, Wyman, C. 1933-1 8368 Los Angeles San Fernando Valley Comment
  CHSC98048  Erodium cicutarium LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 691 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  RSA578830  Erodium cicutarium Tim S. Ross, Darin Banks 1994-4-13 7515 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  SBBG67632  Erodium cicutarium R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  OBI35620  Erodium cicutarium Rebecca Cicoria 1981-4-23 5 Los Angeles In upper end of Altamira Cyn, Rolling Hills 1829 Comment
  CATA1742  Erodium moschatum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-14 3139 Los Angeles Santa Catalina Island: Upper Middle Canyon on hillside by Edison pump house 371 Comment
  SEINET269165  Erodium moschatum Scott D. White 1995-3-15 2560 Los Angeles Upslope from Winter Canyon near Pepperdine Univ.; north of Pacific Coast Highway east of Malibu Canyon road south wes 91 Comment
  UCR43339  Erysimum capitatum David Charlton 1986-6-15 250 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  SEINET198132  Erythraea venusta G. B. Grant 1901-1 441 Los Angeles Oak Knoll, Pasadena, Cenrtal and S. Calif. Comment
  SEINET8409828  Erythranthe diffusa Wesley Griesel 1962-6-6 Los Angeles Trail Charlton Flats to Chilao, San Gabriel Mts. Comment
  SD90491  Erythranthe guttata Robert F. Thorne 1966-4-17 36125 Los Angeles San Clemente Island; rocky bottom of upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst 244 Comment
  UCR157499  Eschscholzia caespitosa Scott D. White 1994-7-14 2261 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  RSA769898  Eschscholzia californica R. G. Swinney 2009-3-31 10227 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte. 183 Comment
  UCR192813  Eschscholzia californica Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, knoll on south side of Santa Clara River, 1.5 km west of Sand Canyon Rd., Santa Clarita 475 Comment
  UCR220238  Eschscholzia californica R. G. Swinney 2009-4-15 10336 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  VVC3368  Eschscholzia californica Tim Thomas 1973-5-19 46 Los Angeles South Coast, San Fernando Valley, Encino, Oxnard St at White Oak. 221 Comment
  CSUSB1753  Eschscholzia californica Keith Thompson 1970-3-29 Los Angeles Cedar Springs 1280 Comment
  RSA0038400  Eschscholzia californica Carol Haines 1964-4-25 s.n. Los Angeles Topanga Canyon Blvd., 5.5 miles N.E. of Highway 101, Santa Monica Mountains 243 Comment
  RSA433664  Eschscholzia californica M. Campbell s.n. Los Angeles L.A. Fields Comment
  SEINET12102670  Eschscholzia californica J. F. Bright, Wyman, C. 1931-1 5494 Los Angeles near Pasadena Comment
  SBBG19127  Eschscholzia ramosa M. A. Piehl 1963-12-7 631056 Los Angeles near shore opposite Pyramid Head on SE tip 9 Comment
  LA34240  Eucalyptus globulus Peter H. Raven; 2013-6-29 13733 Los Angeles Santa Monica Mountains, near planted grove, Elysian Park 198 Comment
  IRVC29542  Eucrypta chrysanthemifolia A. C. Sanders 2003-4-29 26165 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA188152  Eucrypta chrysanthemifolia Robert F. Thorne, P. Everett 1965-6-22 34847 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  RSA708681  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie L. Soza, Miriam Sidibeh 2003-3-26 1608 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  SBBG17377  Eucrypta chrysanthemifolia var. chrysanthemifolia K. A. Wilson 1961-3-1 885 Los Angeles Mulholland Hwy, ca. 2 mi W of Las Virgenes Hwy Comment
  UC1124387  Eucrypta chrysanthemifolia var. chrysanthemifolia A. D. Gifford 1935-3-15 463 Los Angeles 2.25 mi wsw Red Mountain; Angeles National Forest, Tejon Quad. 548 Comment
  LA26084  Eulobus californicus H. L. Wedberg; 1957-5-7 sn Los Angeles 335 Comment
  SDSU14271  Eulobus californicus H. Wedberg 1966-4-3 1190 Los Angeles Chaparral slope burned in 1964, above Hill Dr. at Neal, in Eagle Rock. 312 Comment
  UCR273125  Eulobus californicus R. G. Swinney 2011-4-26 14515 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR281988  Eulobus californicus R. G. Swinney 2014-4-18 16116 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  UCR255759  Euphorbia albomarginata R. G. Swinney 2010-5-12 12705 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA600259  Euphorbia dendroides L. C. Wheeler 1947-6-1 6512 Los Angeles Altadena. New York Ave. on east side of Eaton Wash. Comment
  SEINET3165292  Euphorbia maculata G. B. Grant 1904-9-2 427 Los Angeles Pasadena, southern CA Comment
  RSA607513  Euphorbia maculata L. C. Wheeler 1973-6-15 s.n. Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  RSA432456  Euphorbia peplus Anstruther Davidson 1917-07 3259 Los Angeles County Hospital Comment
  RSA9710  Euphorbia peplus L. C. Wheeler 1932-2-20 447 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  UCR126614  Euphorbia polycarpa A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26047 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  CATA3134  Euphorbia spathulata Sarah Ratay 2010-6-3 122 Los Angeles Santa Catalina Island: Wild Boar Gully exclosure, southern end 173 Comment
  JEPS32341  Euthamia occidentalis J. Thomas Howell 1927-10-29 3179 Los Angeles se of Long Beach Comment
  SDSU12183  Extriplex californica R. M. Beauchamp 1967-1-28 111 Los Angeles San Clemente Island. Comment
  SBBG10092  Extriplex californica R. Moran 1958-9-18 6853 Los Angeles SE of Eel Pt 10 Comment
  LA200948  Festuca microstachys Peter H. Raven; David S. Verity 1960-5-7 15322 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  SD232148  Festuca perennis V. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Transverse ranges, San Gabriel mountains region, Morgan Fire 200 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat 648 Comment
  LA33414  Festuca perennis Peter H. Raven; 1959-5-3 14072 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  CAS-BOT-BC77681  Ficus carica Scott D. White 1997-5-7 5049 Los Angeles Below San Gabriel Mts. SW of I-210 Freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  RSA187862  Filago californica R. F. Thorne 1966-4-28 36224 a Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  SEINET3246132  Filago californica R. W. Swinney 2008-1 8572 Los Angeles Sam Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA670960  Filago gallica Joseph M. Keefe 2001-3-19 31180 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  RSA512057  Filago gallica L. C. Wheeler 1967-5-18 9652 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  RSA226026  Forestiera pubescens Robert F. Thorne, C. W. Tilforth 1971-6-29 40641 Los Angeles Angeles National Forest: along Little Rock Creek, 1.6 mi. above Little Rock Dam near Reservoir Campground 1006 Comment
  UCD112547  Frangula californica Daryl Koutnik 1978-4-21 403 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  RSA3574  Frankenia grandifolia Carl B. Wolf 1932-5-12 3589 Los Angeles Little Harbor, Santa Catalina Island. Comment
  CATA3177  Frankenia salina Julie L. King 2016-10-25 4 Los Angeles Santa Catalina Island: Near bathrooms at Parsons Landing 10 Comment
  RSA392138  Frasera neglecta Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA392140  Frasera parryi Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon. 427 Comment
  POM76520  Fraxinus velutina var. coriacea H. E. Hasse 1890-08 s.n. Los Angeles Creek Bank Comment
  SFV21162  Fremontodendron californicum subsp. californicum J. N. Hogue 2007-6-21 295 .3 Los Angeles San Gabriel Mountains Along Sulphur Springs Road near Horse Flats Campground. 1765 Comment
  CAS-BOT-BC130250  Fritillaria biflora Munz; Street; Williams 1919-3-8 2302 Los Angeles Pomona Comment
  SBBG57786  Fritillaria biflora M. Caruthers 1916-1 656 Los Angeles Eagle Rock 274 Comment
  UCR219332  Galinsoga parviflora Lorraine Weller 2009-5-5 050509- 01 Los Angeles Los Angeles, Greater Watts Community Gardens, 600 block East 118th Place 35 Comment
  POM173340  Galinsoga parviflora var. parviflora R. L. Armacost 1928-9-30 s.n. Los Angeles Sawtelle. Comment
  UCR194625  Galium R. G. Swinney 1998-8-31 6868 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  POM367613  Galium Mable Emler 1929-7-30 13834 Los Angeles Topango Canyon, near Elkhorn Camp. Comment
  POM367677  Galium angustifolium subsp. angustifolium Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  POM367669  Galium angustifolium subsp. angustifolium Christopher Davidson, B. Gustafson 1975-6-24 2879 Los Angeles Big Tujunga Canyon. Ca 5 miles NE of Sunland on rd 2N78. 686 Comment
  RSA229202  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40841 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: above Little Sycamore Campground along Little Rock creek. 1189 Comment
  RSA569916  Galium aparine Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4827 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA658361  Galium aparine Naomi Zohman 1985-4-28 7 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  POM367801  Galium catalinense subsp. catalinense M. B. Dunkle 1929-3-3 2055 Los Angeles Hamilton Beach; Santa Catalina Island Comment
  SD239899  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile NW of Hwy 2 at Vincent Gap on Pinyoon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N 26 (Valyermo 7.5'Q) 2160 Comment
  UCR276895  Galium johnstonii R. G. Swinney 2011-5-16 14732 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  LA50682  Galium nuttallii subsp. nuttallii Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA526626  Galvezia speciosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4196 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA607948  Gamochaeta pensylvanica L. C. Wheeler 1936-3-8 4080 Los Angeles Millard Canyon, San Gabriel Mts. 457 Comment
  CATA531  Gamochaeta ustulata Sara L. Crockett 1997-4-29 684 Los Angeles Santa Catalina Island: S margin of Bulrush Reservoir, upper pool 332 Comment
  UCR190011  Garrya veatchii R. G. Swinney 1998-7-30 6598 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR212839  Garrya veatchii Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1819 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel River main stem across from Morris Dam, north side of parking area 406 Comment
  POM225123  Gaura sinuata Garrettson 1936-6-10 s.n. Los Angeles Beet field, east of Puente. Comment
  POM50312  Gayophytum heterozygum L. R. Abrams 1901-7-10 1897 Los Angeles San Gabriel Mountains: Wilson s Peak Comment
  RSA311412  Gayophytum oligospermum Cheryl A. Lawson 1971-7-11 420 Los Angeles San Gabriel Mts., Angeles National Forest, above Crystal Lake, near Calif. State Highway 39. Comment
  RSA527691  Gazania longiscapa Timothy S. Ross, Annette Ross 1991-6-3 5510 Los Angeles Elephant Hill: west Pomona. 250 Comment
  UCR182109  Genista monspessulana R. G. Swinney 1998-4-13 5961 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  SEINET4044526  Geranium carolinianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  RSA390995  Geranium carolinianum Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. 457 Comment
  RSA592305  Geranium carolinianum Louis C. Wheeler 1967-5-13 9532 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward s Grove. 262 Comment
  UCR138495  Gilia angelensis L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  RSA470113  Gilia angelensis Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  POM11346  Gilia atractyloides var. macrantha F. L. Robinson 1921-6-2 89 Los Angeles Between Claremont and Upland Comment
  UCR190744  Gilia cana R. G. Swinney 2001-5-17 7953 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, hilltop c. 300 m north of Panorama Rd. at a point 0.8 mile west of Largo Vista Rd. 1369 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
  SD186281  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Newhall Ranch, ca. 0.4 north of Highway 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mile south of Commerce Center Dr. along Franklin Parkway. 305 Comment
  POM96612  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-4-4 10017 Los Angeles 2 miles north of Saugus. Comment
  RSA470214  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1914-05 s.n. Los Angeles La Crescenta. Comment
  POM8769  Gilia capitata subsp. abrotanifolia P. A. Munz 1920-3-13 3308 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  RSA470227  Gilia capitata subsp. abrotanifolia Gale Sphon 1959-5-10 338 Los Angeles About 3.5 miles west of Soledad Canyon turnoff on Highway 6, Mint Canyon. Comment
  RSA709789  Gilia capitata subsp. abrotanifolia LeRoy Gross 2005-4-28 2140 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
  RSA775355  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-4 5256 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
  RSA777924  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-5-20 5151 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  RSA778742  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-1 5233 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  RSA756081  Gilia latiflora R. G. Swinney 1998-4-14 5985 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  SD133044  Gilia latiflora E. La Rue, R. Montijo 1991-4-2 91 4 Los Angeles Palmdale; property bounded on the north by Avenue M, on the west by 20th St. West, on the south by Avenue N, and on the east by 10th St. West; west of Highway 14. 792 Comment
  UCR166085  Gilia latiflora Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  RSA716644  Gilia latiflora Andrea Edwards, Pam De Vries 2005-3-29 51 Los Angeles Triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. Site includes sections of Gorman Creek, San Andreas Rift Zone, and Peace Valley. 1037 Comment
  SBBG127081  Gilia leptantha subsp. transversa A. Parikh, N. Gale 2011-6-22 3497 Los Angeles NW of Iron Mtn, 1.5 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Crk; San Gabriel Mtns 1370 Comment
  CAS-BOT-BC225493  Gilia nevinii Alice Eastwood 1904-5-1 s.n. Los Angeles Santa Catalina Island Comment
  LA206685  Gilia nevinii H. Lewis; 1937-3-25 sn Los Angeles Santa Catalina Island, Santa Catalina Island 457 Comment
  RSA251405  Gilia nevinii R. F. Thorne 1966-4-16 36058 Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast side of island. 183 Comment
  RSA572182  Gilia nevinii M. B. Dunkle 1939-4-6 7320 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UCR281151  Gilia ochroleuca R. G. Swinney 2014-4-10 16037 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-BC401999  Gilia ochroleuca subsp. bizonata Timothy S. Ross; Steve Boyd 1994-6-23 8051 Los Angeles Liebre Mountains. Sawmill Mountain: 5514-ft summit and immediately adjacent slopes 1680 Comment
  CAS-BOT-BC402006  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1919-5-10 268 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mts. 914 Comment
  UC718476  Gilia ochroleuca subsp. bizonata Carl B. Wolf 1935-5-23 6994 Los Angeles 1/2 mi e Gorman (Liebre Mts.); , e of Gorman 1158 Comment
  CHSC95867  Gilia ochroleuca subsp. vivida LeRoy Gross; Michael Denslow 2003-6-4 972 Los Angeles Transverse Ranges; San Gabriel Mountains region: Trail from Islip Saddle to Mt. Williamson. UTM Zone: 3802522N 0431429E. 2195 Comment
  UC52479  Gilia ochroleuca subsp. vivida H. M. Hall Jun 3 1900-Jun 6 1900 1534 Los Angeles Swarthout Canyon San Antonio Mountains, Swarthout Canyon (San Antonio Mountains, Southern California) 2072 Comment
  RSA0017177  Gilia ochroleuca subsp. vivida Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Mount Wilson. Comment
  SEINET12278812  Gilia tricolor J. F. Bright, Wyman, C. 1933-1 8348 Los Angeles Antelope Valley Comment
  SBBG18898  Glyptopleura marginata F. E. Clements 1918-5-26 Los Angeles Antelope Valley Comment
  CAS-BOT-BC303878  Gnaphalium Joseph Andorfer Ewan 1934-8-5 8462 Los Angeles Vincent Gulch, off Prairie Fork 1737 Comment
  RSA0105008  Gnaphalium californicum R. G. Swinney 2011-4-26 14516 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA706651  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 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
  POM358792  Gnaphalium californicum Donald R. Bissing 1973-5-4 53 Los Angeles Evey Canyon, San Gabriel Mountains. 755 Comment
  RSA670958  Gnaphalium canescens subsp. microcephalum Joseph M. Keefe 2001-3-19 31156 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  RSA714982  Gnaphalium canescens subsp. thermale R. G. Swinney 1997-9-6 5859 Los Angeles San Gabriel Mountains: Jackson Lake area. Ball Flat, 0.8-0.9 mi N of Big Pines Hwy at end of SW spur of Forestry Service Rd 4N16 1875 Comment
  IRVC26843  Gnaphalium luteo-album S. D. White 1997-11-5 6018 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1) Malibu Coast 0 Comment
  SFV4895  Gnaphalium palustre M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. In small, dry wash. 152 Comment
  SBBG89129  Grayia spinosa A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7774 Los Angeles near Quartz Hill in Lancaster, S of Ave. L at 37th St. West 746 Comment
  RSA0036050  Grindelia R. G. Swinney 2009-11-18 11653 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA127786  Grindelia camporum var. bracteosa Peter H. Raven, H. J. Thompson 1959-6-4 14344 Los Angeles Point Dume 15 Comment
  LA47624  Guillenia lasiophylla Henry J. Thompson; 1960-5-14 3066 Los Angeles Santa Monica Mountains, Saddle Peak, along road to fire lookout tower, N of ridge NE of peak 731 Comment
  RSA199188  Guillenia lasiophylla R. F. Thorne 1968-5-28 37653 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA518022  Guillenia lasiophylla Steve Boyd, Orlando Mistretta 1986-3-31 1565 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA248691  Guillenia lasiophylla Christopher Davidson 1973-3-26 1738 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  RSA430027A  Guillenia lasiophylla Fordyce Grinnell Jr. 1921-4-3 [ 15734 ] Los Angeles Santa Monica Mts. Pacoima Canyon. Comment
  RSA0085093  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR239606  Gutierrezia californica Dan S. Cooper 2012-3-19 312- 39 Los Angeles South Coast, Palos Verdes Peninsula, Three Sisters Reserve, north of Barkentine Rd. and of Palos Verdes Dr. South, near Sunshine Trail 117 Comment
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Apr 27 2016
  OBI82196  Gutierrezia microcephala Richard G. 'Dick' Swinney 2009-11-13 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. (Acton 7.5' Q.) 921 Comment
  RSA0112650  Hainardia cylindrica Steven A. Junak 1999-5-20 SCa- 953 Los Angeles Santa Catalina Island. Cottonwood-Black Jack Road, plant stop. 305 Comment
  SBBG113091  Harpagonella palmeri S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 351 Los Angeles NW flanks of Black Jack Pk, along Black Jack Rd 0.4 rd mi from intersection with Airport Rd, just before large switchback in rd, near old main shaft 487 Comment
  SD52884  Hazardia cana Peter H. Raven 1962-5-10 17730 Los Angeles San Clemente Island; large canyon west of Thirst. 305 Comment
  CAS-BOT-BC307295  Hazardia squarrosa var. grindelioides C. F. Saunders 1910-11-1 s.n. Los Angeles Santa Catalina Island Comment
  OBI28467  Hazardia squarrosa var. grindelioides J. & B. Sample, B. Sample 1981-8-14 5594 Los Angeles CA-2, N of La Canada Flintridge, boundry of Natl Forest (San Gabriel Mts) Comment
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Sep 15 2014
  SBBG13810  Hazardia squarrosa var. grindelioides M. A. Piehl 1962-10-3 62507 Los Angeles N side of Ironwood Gully Comment
  CATA1606  Hedypnois cretica Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2875 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  CAS-BOT-BC309437  Helenium puberulum Scott D. White; Dave Bramlet 1998-8-11 7041 Los Angeles San Gabriel Mts. West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of jtn. Crystal Lk. access rd. to jtn. Hwy 2 2010 Comment
  POM293691  Helenium puberulum Lyman Benson 1948-10-25 13544 Los Angeles Spring one mile above mouth of San Antonio Canyon, Pacific Slope Drainage Area, San Gabriel Mountains. 793 Comment
  CAS-BOT-BC309438  Helenium puberulum A. J. McClatchie 1893-9-1 s.n. Los Angeles Catalina Comment
  CHSC95505  Helianthemum scoparium var. vulgare LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1092 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Low foothills north of the 210 freeway. We followed the firebreak southwest. 598 Comment
  RSA441779  Helianthemum scoparium var. vulgare G. R. Johnstone 1929-7-4 14208 Los Angeles Griffith Park. Comment
  CAS-BOT-BC305435  Helianthus annuus 1901-3-9 s.n. Los Angeles Altadena Comment
  RSA651098  Helianthus annuus subsp. lenticularis Brian Koch 1981-5-26 2 Los Angeles Junction of Lido Canyon and San Dimas Canyon. Comment
  UCR170703  Helianthus gracilentus Dan S. Cooper 2005-6-6 s.n. Los Angeles Transverse Ranges; W San Gabriel Mtns./Liebre Mtns., Lake Hughes Road, near Castaic Reservoir (Lake) 732 Comment
  UCR200014  Helianthus gracilentus Valerie Soza, Mariam Sidibeh 2003-3-26 1604 Los Angeles Transverse Ranges; Verdugo Mountains, North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Drive intersection 610 Comment
  CAS-BOT-BC305791  Helianthus nuttallii Davidson; Greata 1901-9-1 s.n. Los Angeles East Los Angeles Comment
  SBBG126173  Heliotropium curassavicum A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36961 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  RSA594349  Heliotropium curassavicum var. oculatum Steve Boyd, Lauren Raz 1996-10-14 9035 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  POM369758  Heliotropium curassavicum var. oculatum L. E. Hoffman 1932-8-2 s.n. Los Angeles Playa del Rey Comment
  RSA360331  Hemizonia australis F. R. Fosberg 1930-6-26 s.n. Los Angeles Lower Ballona Creek 8 Comment
  SEINET10945243  Hemizonia fasciculata David B. Dunn 1946-8-10 Dunn 2657 Los Angeles Collected in Floriculture area of Univ. of California in LA at Veteran Ave.; a weed growing in dry hard clay soil. Comment
  SEINET3127470  Hesperocnide tenella G. B. Grant 1904-5-26 sn Los Angeles Pasadena Comment
  CAS-BOT-BC135903  Hesperoyucca whipplei Alice Eastwood 1913-5-11 3132 Los Angeles San Fernando Wash Comment
  UCR273275  Heteromeles arbutifolia R. G. Swinney 2011-10-25 15867 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  LA211182  Heteromeles arbutifolia Arthur C. Gibson; 2010-2-5 5280 Los Angeles SANTA MONICA MOUNTAINS, Upper Stunt Road, Calabasas. Comment
  CAS-BOT-BC318857  Heterotheca grandiflora S. B. Parish; W. F. Parish 1881-10-1 177 a Los Angeles Santa Monica Comment
  UCR108321  Heterotheca grandiflora L. C. Wheeler 1970-10-10 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard 79 Comment
  UCR143929  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  CAS-BOT-BC318858  Heterotheca grandiflora W. R. Dudley 1895-1-4 s.n. Los Angeles San Pedro Harbor Comment
  OBI36527  Heterotheca grandiflora Mark Schneider 1973-1 s.n. Los Angeles 7-HIlls Ranch Comment
  RSA0074428  Heterotheca grandiflora Peter H. Raven, H. J. Thompson 1959-10-14 14642 Los Angeles Santa Monica Mountains: East end of Malibu Lake. (Lat. N. 34d; Long. 118d to 119d W) 221 Comment
  LA210550  Heterotheca sessiliflora subsp. sessiliflora A. M. Johnson; 1927-10-20 2659 .5 Los Angeles Antelope Valley, Palmdale Comment
  CAS-BOT-BC310903  Heterotheca subaxillaris Ethel Rockwell 1932-9-1 s.n. Los Angeles San Gabriel Comment
  UCR238650  Heuchera caespitosa Anuja Parikh, Nathan Gale 2010-6-29 3370 Los Angeles Transverse Range; San Gabriel Mountains, upper Glen Canyon, 0.5 km north of Monrovia Peak, just south of Rincon Red Box Road, under powerlines 1460 Comment
  UC212561  Heuchera elegans I. M. Johnston 1917-7-15 1456 Los Angeles head of South Fork (by the Creek); San Antonio Mountains 1828 Comment
  RSA0062930  Heuchera elegans Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  RSA0087290  Heuchera elegans A. D. E. Elmer 1902-06 3687 Los Angeles Acton, Mt. Gleason. Comment
  SDSU2431  Hirschfeldia incana Gerald Collier 1951-4-7 M 194 Los Angeles About 2 miles west of U.S Hwy 101. Comment
  UCD115108  Hirschfeldia incana Dolores Hainey; Alex Rudinger 1996-5-9 9 Los Angeles Walker Ranch, 1 mile from gate on the Canyon trail. Comment
  SD234394  Hoffmannseggia glauca R. E. Riefner Jr. 2006-7-8 06 295 Los Angeles Southern Coast: Long Beach, Studebaker Rd. at 22 Freeway (Los Alamitos). 6 Comment
  CAS-BOT-BC149945  Holodiscus discolor var. discolor C. S. Morris 1908-6-15 113 Los Angeles Summit Mt. Lowe, N. slope Comment
  POM352436  Hordeum brachyantherum Anstruther Davidson 69 Los Angeles E. Los Angeles. Comment
  UCR184219  Hordeum murinum A. C. Sanders 2007-4-19 33446 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR220224  Hordeum murinum R. G. Swinney 2009-4-7 10281 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  UCR258589  Hordeum murinum R. G. Swinney 2010-4-23 12364 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  POM12254  Hordeum murinum subsp. glaucum F. L. Robinson 1921-4-15 33 Los Angeles Claremont. 365 Comment
  POM156454  Hordeum murinum subsp. glaucum Le Roy Abrams 1903-4-9 3243 Los Angeles Inglewood Comment
  UC818539  Hordeum murinum subsp. glaucum Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon Santa Monica Mountains, Los Alisos Canyon (Southern California) Comment
  RSA251483  Hordeum murinum subsp. leporinum R. F. Thorne 1973-4-11 42821 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  RSA0036151  Hordeum vulgare David Charlton 1991-5-27 5301 Los Angeles Mojave Desert Jct. 90th and C st. west of Palmdale and south of Little Rock on road to Edwards AFB. 944 Comment
  UCR141849  Horkelia rydbergii R. G. Swinney 1997-9-6 5856 Los Angeles San Gabriel Mountains, Jackson Lake area. Ball Flat, 0.8-0.9 mi N of Big Pines Hwy at end of SW spur of Forestry Service Rd 4N16. 1890 Comment
  UCR271857  Horkelia rydbergii R. G. Swinney 2011-6-23 15312 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UC10305  Hornungia procumbens A. Davidson 1904-5-18 Los Angeles Antelope Valley Comment
  UCR119551  Hulsea heterochroma L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., Little Rock Creek near Cedar Springs 1982 Comment
  SEINET480173  Hulsea heterochroma D. Wilken 1969-7-3 Los Angeles Ridge west of Soldier Creek, along California State Hwy 39 about 1 mile west of junction to Crystal Lake, San Gabriel Mountains Comment
  CLARK-A1528-1953  Hulsea vestita John C. Roos 1937-7-16 2469 Los Angeles San Gabriel Mountains 2895 Comment
  SBBG108576  Hulsea vestita subsp. gabrielensis T. Ross, S. Boyd 1990-5-23 2608 Los Angeles Mt Gleason area; descending from Messenger Pk, near headwaters of Mill Cyn 1719 Comment
  RSA366725  Hydrilla verticillata Christopher Davidson, B. Gustafson 1980-10-10 10715 Los Angeles Garden of the Natural History Museum. Comment
  RSA0088107  Hypochaeris glabra R. G. Swinney 2010-4-30 12457 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  SFV20995  Hypochaeris glabra L. Gross 2003-5-4 821 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along east side of Brand Canyon a short distance above the large waterfall near above coordinates. Near level area above river bottom. 393 Comment
  SBBG98445  Hypochaeris radicata T. Ross 1991-5-23 5507 Los Angeles Wilson Cove settlement; lawn at bus stop on N side of Bldg 60112 53 Comment
  POM361212  Hypochaeris radicata L. C. Wheeler 1932-10-1 1417 Los Angeles Emerald Ave, 1.5 miles N La Verne 351 Comment
  RSA127422  Ipomoea acuminata P. H. Raven, Henry J. Thompson 1959-10-18 14657 Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains, (34deg.N; 118-119deg.W.) 5 Comment
  SBBG62880  Isocoma acradenia R. Hoffmann 1927-9-21 Los Angeles Bailey's Ranch, Ridge Route (US Hwy 99) Comment
  SD249146  Isocoma menziesii var. vernonioides Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2202 Los Angeles San Clemente Island, ca 0.7 mile north-northwest of South Point, along ridge. 121 Comment
  UCR141578  Ivesia santolinoides June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  RSA5863  Jaumea carnosa C. B. Wolf 1932-9-16 4115 Los Angeles Bryant Ranch: west side of San Gabriel River Flood Control, S of 7th Street (Long Beach) 3 Comment
  SD112044  Jepsonia malvifolia Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island, canyon above Pebbly Beach Comment
  RSA650894  Juglans californica A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
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Dec 27 2011
  SEINET3159994  Juglans californica G. B. Grant 635 Los Angeles Pasadena Comment
  UCR102258  Juglans californica David Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UCR282525  Juglans californica D. E. Bramlet 2011-5-10 4828 Los Angeles Puente Hills, 610 ft south of Powder Cyn., 368 ft. south of Fullerton Rd., 1,385 ft. west of N Harbor Blvd. 213 Comment
  RSA0011180  Juglans californica J. C. Roos 1942-4-4 1078 Los Angeles Sepulveda Canyon, West Los Angeles. Comment
  RSA614699  Juglans californica var. californica D. Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns. Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UCR209207  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37165 Los Angeles San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR271540  Juncus R. G. Swinney 2011-10-13 15802 B Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  CAS-BOT-BC110036  Juncus acutus Peter H. Raven; Henry J. Thompson 1959-10-4 14556 Los Angeles Santa Monica Mountains. Coast Highway opposite Canfield's Pacific Palisades. 12 Comment
  UC729504  Juncus acutus subsp. leopoldii Carl B. Wolf 1932-9-16 Los Angeles extreme se corner Pacific Western Oil Co. (Bryant Ranch, 100-150 ft of State Hwy) 1 Comment
  UC1595427  Juncus bufonius Tim Ross 1992-7-10 6654 Los Angeles between Coldwater Canyon and Wickiup Canyon (Big Tujunga Creek, San Gabriel Mountains); San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UCR214648  Juncus bufonius A. C. Sanders, Dan S. Cooper 2010-4-30 38158 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  HSC95820  Juncus covillei L. C. Wheeler 1954-9-1 7088 Los Angeles San Gabriel Mtns., Little Rock Creek at Buckhorn Comment
  RSA368324  Juncus covillei F. R. Fosberg, Joseph A. Ewan 1931-8-12 5002 Los Angeles Windy Camp Spring, Mt. Islip 2287 Comment
  UCR271538  Juncus effusus subsp. austrocalifornicus R. G. Swinney 2011-10-13 15799 Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  RSA547482  Juncus macrophyllus Timothy S. Ross, Orlando Mistretta 1992-7-24 6773 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  JEPS45909  Juncus orthophyllus Victor Duran 1933-7-22 3526 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  UC557650  Juncus patens Nell Murbarger Mar 1936 232 Los Angeles w side San Clemente Island Comment
  RSA70063  Juncus rugulosus F. R. Fosberg, Joseph A. Ewan 1931-8-13 s.n. Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA624648  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA368373  Juncus torreyi Anstruther Davidson 1892-08 s.n. Los Angeles Los Angeles River, near Fruitland. Comment
  RSA652951  Juncus xiphioides A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23274 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  UCR197728  Juniperus californica Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 35 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
  RSA600356  Keckiella breviflora var. breviflora Steve D. Boyd, Lauren Raz 1997-5-28 9882 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
  CAS-BOT-BC235757  Keckiella cordifolia Ella Dales Cantelow 1933-7-2 384 Los Angeles San Dimas Canyon Comment
  LA51896  Keckiella cordifolia N. M. Gauss; 1961-5-14 23 Los Angeles 344 Comment
  RSA151199  Keckiella cordifolia Peter H. Raven 1962-7-11 18003 Los Angeles Rocky walls of Twin Canyon, where scattered, San Clemente Island. 320 Comment
  RSA401694  Keckiella cordifolia Freda Detmers 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA584770  Keckiella ternata subsp. ternata Tim S. Ross 1992-7-17 6728 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  SBBG106919  Kickxia elatine M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2438 Los Angeles Echo Lake 396 Comment
  LA82505  Koeleria macrantha O. H. Kappler; 1943-5-9 401 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA403461  Koeleria macrantha Anstruther Davidson 1891-05 s.n. Los Angeles Foothills, Los Angeles. Comment
  UCR141692  Krascheninnikovia lanata June Latting 1973-4-29 s.n. Los Angeles Mojave Desert/Northern San Gabriel Mtns. Foothills, Crystalaire, Antelope Valley 1098 Comment
  UCR190720  Krascheninnikovia lanata R. G. Swinney 2001-4-18 7927 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR149803  Lactuca serriola Scott D. White, Pam Devries 2004-6-14 10493 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  POM11459  Lactuca serriola R. D. Harwood 1920-8-11 s.n. Los Angeles Claremont. Comment
  UCR127376  Lagophylla ramosissima A. C. Sanders, M. S. Enright 2002-8-7 25561 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, low hills in central Potrero Canyon, just SE of main oil facility, south of road and north of powerlines 366 Comment
  UCR59233  Lampranthus tenuifolius A. C. Sanders 1988-2-18 7689 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  CHSC3718  Langloisia Sue Boergadine 1966-5-12 Los Angeles San Raphael. 213 Comment
  JEPS57950  Lastarriaea coriacea Frank W. Peirson 1919-5-21 447 Los Angeles San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco 381 Comment
  CAS-BOT-BC338109  Lasthenia californica Timothy S. Ross 1995-4-26 8393 Los Angeles Liebre Mountains. Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1208 Comment
  RSA597814  Lasthenia californica L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 549 Comment
  JEPS15072  Lasthenia coronaria Le Roy Abrams 1901-4-1 1234 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC385375  Lasthenia coronaria A. J. McClatchie 1897-3-25 s.n. Los Angeles Near Redondo Comment
  POM361485  Lasthenia gracilis Geo L. Moxley 1920-5-1 748 Los Angeles Catalina Island. Comment
  SBBG17369  Lasthenia gracilis K. A. Wilson 1962-3-25 1258 Los Angeles Soledad Cyn, W of Bee Cyn, N of River's End Ranch Comment
  UCSB6387  Lasthenia gracilis 1940-5-13 Los Angeles San Dimas Exp. Forest; Garcia Truck Trail Comment
  RSA405704  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1921-4-1 s.n. Los Angeles Manhattan Beach Comment
  POM199769  Lathyrus vestitus subsp. laevicarpus I. W. Clokey, B. C. Templeton 1929-03 4463 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  SBBG38929  Lathyrus vestitus var. alefeldii E. R. Blakley 1963-4-7 5524 Los Angeles Middle Ranch Cyn, ca. 2.5 mi above Middle Ranch 274 Comment
  RSA155768  Lavatera assurgentiflora subsp. assurgentiflora Peter H. Raven 1962-4-11 17303 Los Angeles beach due west of Wall 2; San Clemente Island. 9 Comment
  UC1069734  Layia glandulosa A. D. Gifford 1935-3-15 466 Los Angeles 2 mi from mouth Elizabeth Lake Canyon; Tejon Quadrangle Comment
  CAS-BOT-BC380223  Layia platyglossa Le Roy Abrams 1901-4-6 1386 Los Angeles Big Tujunga Wash Comment
  CAS-BOT-BC380213  Layia platyglossa Louis C. Wheeler 1936-4-12 644 Los Angeles Mouth Brown Canyon, Santa Monica Mts. 137 Comment
  RSA188058  Layia platyglossa subsp. campestris R. F. Thorne 1966-4-6 35928 Los Angeles Santa Catalina Island: about 1 mi. W of Empire Landing. 76 Comment
  RSA659837  Lepechinia fragrans Orlando Mistretta, Mike Hammit 1991-6-21 s.n. Los Angeles Along USFS Road 2N66. Just W of junction with 2N65.1. Over looking Fern canyon to the N. 732 Comment
  CDA24904  Lepidium densiflorum G. C. Fleischman 1942-6-11 Los Angeles East Washington Avenue, Altadena. 0 Comment
  HSC101296  Lepidium fremontii R. G. Swinney 2009-4-24 10470 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  SBBG127977  Lepidium strictum M. L. Hoefs, S. A. Junak 1996-5-1 2687 Los Angeles Haypress Reservoir, at cmpgrd 384 Comment
  CDA3826  Lepidium strictum R. L. Armacost 1973-4-13 2839 Los Angeles Santa Monica. 0 Comment
  RSA678244  Lepidium virginicum V. Soza, S. D. Boyd 2002-4-10 1409 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 534 Comment
  RSA429657  Lepidium virginicum var. pubescens F. R. Fosberg 1930-6-26 3024 Los Angeles Lower Ballona Creek. 10 Comment
  POM94304  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-16 s.n. Los Angeles Pomona Comment
  RSA49009  Lepidium virginicum var. robinsonii J. C. Roos 1950-2-14 4706 Los Angeles Between Rinehart St. and Prospect Park, Los Angeles Comment
  RSA754147  Lepidospartum squamatum Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1839 Los Angeles San Gabriel River near Rincon Ranger Station 450 Comment
  UC1234597  Lepidospartum squamatum Peter H. Raven 1961-10-15 16863 Los Angeles in front of Botanic Garden; Claremont 259 Comment
  UCR127395  Lepidospartum squamatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25533 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Long Canyon,' north of Potrero Canyon 366 Comment
  RSA0039511  Lepidospartum squamatum Robin S. Collins 1973-5-28 308 Los Angeles Angeles National Forest, San Gabriel Mts.: Trail Canyon, ca. 1/2-2 mi. into cyn from beginning of pack trail. 793 Comment
  RSA550007  Lepidospartum squamatum var. squamatum Scott D. White 1992-10-8 899 B Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  UCR189865  Leptodactylon pungens R. G. Swinney 1998-7-21 6488 Los Angeles San Gabriel Mtns., Fish Fork Trail, 1.9 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2134 Comment
  RSA727734  Leptosiphon aureus subsp. aureus R. G. Swinney 1998-5-16 6097 Los Angeles San Gabrial 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
  CATA3039  Leptosiphon bicolor Amy Catalano 2016-3-18 047 Los Angeles Santa Catalina Island: On west side ca. 0.75 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, about 270 meters off road 252 Comment
  CATA3141  Leptosiphon bicolor Sarah Ratay 2011-4-15 135 Los Angeles Santa Catalina Island: Ridge southwest of Little Gibraltar Beach 154 Comment
  SBBG95214  Leptosiphon bicolor M. B. Dunkle 1928-3-31 1795 Los Angeles Cottonwood Comment
  RSA527747  Leptosiphon bicolor Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4315 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA469986  Leptosiphon breviculus S. B. Parish, Greata 1901-05 s.n. Los Angeles Hillsides, near Pasadena. Comment
  RSA587462  Leptosiphon breviculus Orlando Mistretta 1995-4-11 1622 Los Angeles Santiago Canyon;W slopes of Santiago Canyon ca. 1mile SW of confluence with Little Rock Creek. 1037 Comment
  UCR271123  Leptosiphon breviculus R. G. Swinney 2011-7-8 15506 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
  SBBG64548  Leptosiphon liniflorus R. Hoffmann 1927-9-23 Los Angeles Neenach Comment
  RSA131025  Leptosiphon liniflorus Percy C. Everett, E. K. Balls 1959-6-2 23851 Los Angeles 0.5 miles N of Jct of Mulholland Drive and Road to Backus, Santa Monica Mountains. 610 Comment
  SBBG64505  Leptosiphon parviflorus R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  RSA584338  Leptosiphon pygmaeus subsp. pygmaeus T. S. Ross, Darin L. Banks 1994-4-12 7468 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  LA30870  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 155 Los Angeles Santa Monica Mountains, Point Dume Comment
  POM156731  Lessingia glandulifera var. glandulifera L. R. Abrams 1902-7-5 2722 Los Angeles Near the power house, San gabriel Canyon Comment
  RSA529905  Lessingia glandulifera var. glandulifera T. S. Ross 1991-8-16 5812 Los Angeles Sulphur Springs Rd., .95 mile (as the crow flies) due W of its junction with Angeles Crest Hwy 1817 Comment
  PASA1691  Lessingia lemmonii Frank W. Peirson 1928-9-5 Los Angeles Road from Rock Creek to Big Pines, San Gabriel Mts. 1280 Comment
  CAS-BOT-BC283750  Leymus condensatus Ira L. Wiggins 1965-9-26 20255 Los Angeles Carbon Canyon about 3.5 miles above its mouth Comment
  POM365315  Leymus condensatus George R. Johnstone 1931-5-18 s.n. Los Angeles Exposition Boulevard, Los Angeles. Comment
  RSA641434  Leymus triticoides L. C. Wheeler 1967-7-23 10166 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Springs, San Andreas Rift Zone. Comment
  UCD139731  Lilium humboldtii subsp. ocellatum Natalie deGarder 1992-5-30 25 Los Angeles 1.5 miles off Freeway 210 up Lincoln to Risinghill, down 0.25 mile to stream. 589 Comment
  RSA600559  Lilium parryi Louis C. Wheeler 1954-9-1 7082 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek Comment
  RSA729406  Lilium parryi Richard G. Swinney 1998-10-3 7005 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
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Nov 7 2015
  SD69029  Limonium sinuatum Robert F. Thorne, D. Propst 1968-5-29 37705 Los Angeles Santa Catalina Island; south of riding stables by golf course. 14 Comment
  UCR182218  Limosella acaulis R. G. Swinney 1997-6-19 5611 Los Angeles San Gabriel Mtns., SE end of Jackson Lake, west of Wrightwood 1872 Comment
  UC23764  Linanthus breviculus J. H. Barber 1897-7-11 256 Los Angeles Mt. Gleason Summit Comment
  CAS-BOT-BC226744  Linanthus californicus Ethel, Miss Graves 1900-4-1 s.n. Los Angeles Pasadena (near) Comment
  POM3600  Linanthus californicus C. F. Baker 1909-5-15 5313 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA667961  Linanthus dianthiflorus Peter J. Mehringer 1958-4-19 s.n. Los Angeles El Segundo 30 Comment
  UCD118502  Linanthus dianthiflorus Robert F. Thorne Date Unknown 34461 Los Angeles N slope of Black Jack Mountain, Santa Catalina Island. 457 Comment
  RSA788855  Linanthus pungens J. Mark Porter, Lauren Machen 2012-5-30 15131 .3 Los Angeles Along CA Hwy 2 (Angeles Crest Highway) near (W of) Cortleyou Spring, 0.4 mi E (by road) of Islip Saddle and the junction with CA 39 (San Gabriel Canyon Road). 2070 Comment
  RSA616159  Linaria canadensis Valerie L. Soza 1998-5-3 87 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 412 Comment
  SBBG122673  Linaria maroccana S. L. Crockett 1997-2-19 63 Los Angeles 0.3 mi NE of Wrigley Botanical Garden (toward Avalon) on Avalon Cyn Rd, LA County Interpretive Center 91 Comment
  POM1583A  Lithophragma affine D. L. Crawford 1916-3-1 s.n. Los Angeles Mountains above Claremont, Palmer s Canyon. Comment
  RSA468214  Lithophragma affine subsp. mixtum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon. 350 Comment
  RSA84371  Lithophragma affine subsp. mixtum F. W. Peirson s.n. Los Angeles Nichols Canyon. Comment
  RSA574337  Lithophragma bolanderi R. G. Swinney 1994-5-7 2839 Los Angeles Glendora Wilderness Park, jct of Lower Monroe Mtwy & Mystic Canyon Trail. 609 Comment
  RSA229197  Lithophragma heterophyllum R. F. Thorne, C. W. Tilforth 1971-6-29 40735 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  SEINET6032582  Lithophragma heterophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  UCR190096  Lobelia dunnii R. G. Swinney 1998-7-30 6588 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  RSA0055769  Lobularia maritima R. G. Swinney 2010-4-1 12135 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA0063610  Loeseliastrum matthewsii Anstruther Davidson 1922-5-28 s.n. Los Angeles Mojave Desert. [County not specified: Los Angeles, San Bernardino or Kern.] Comment
  RSA264167  Loeseliastrum matthewsii W. Wisura 1977-6-17 3671 Los Angeles Lone Pine Canyon, 6 mi SE of Wrightwood. Comment
  RSA77065  Loeseliastrum matthewsii F. W. Peirson 1917-5-13 2830 Los Angeles West of Little Rock. Comment
  RSA0013198  Logfia filaginoides Orlando Mistretta, Christine Mistretta 2011-7-13 5937 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  SFV7987  Logfia filaginoides T. Gordon, H. Grayum, K. Felt 1976-5-7 1353 Los Angeles San Gabriel Mountains On ridge adjacent to lower Trail Canyon. 762 Comment
  CAS-BOT-BC271185  Lolium temulentum G. B. Grant 1916-3-1 s.n. Los Angeles Pasadena Comment
  RSA97161  Lomatium dissectum var. multifidum F. W. Peirson 1922-7-6 3187 Los Angeles Swartout Valley region. Big Pines, north side of San Gabriel Mtns. 2073 Comment
  RSA452135  Lomatium lucidum Anstruther Davidson 9321 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  UCSB7349  Lomatium lucidum Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  RSA452154  Lomatium vaginatum Anstruther Davidson 1895-5-5 s.n. Los Angeles Antelope Valley Comment
  SBBG13637  Lonicera hispidula E. R. Blakley 1962-10-5 5421 Los Angeles 1.4 mi up cyn from White's Cove at the water tank 30 Comment
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Apr 16 2012
  SBBG95177  Lonicera hispidula M. B. Dunkle 1965-5-28 1965 Los Angeles Middle Ranch Cyn, below No 2 Station Comment
  RSA6004  Lonicera hispidula var. vacillans C. B. Wolf 1932-10-5 4237 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA640283  Lonicera hispidula var. vacillans R. F. Thorne 1971-5-18 41362 Los Angeles Santa Catalina Island: upper part of West Fork of Gallagher Canyon. 381 Comment
  UCR11939  Lonicera hispidula var. vacillans P. H. Raven 1960-5-21 15389 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Canyon 3.7 mi north of Coast Hwy 107 Comment
  POM305768  Lonicera interrupta Henry J. Ramsey, Henry J. Ramsey 1937-6-27 956 Los Angeles Pine Canyon, Angeles National Forest Comment
  RSA584886  Lonicera interrupta T. S. Ross 1990-6-1 2779 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CAS-BOT-BC234816  Lonicera subspicata Alice Eastwood 1906-5-27 66 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  PASA276  Lonicera subspicata Annetta Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA273200  Lotus Glenn A. Gorelick 1928-4-8 s.n. Los Angeles Santa Catalina Island. Canyon west of Cottonwood Canyon. Comment
  RSA534135  Lotus argophyllus subsp. ornithopus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5066 Los Angeles San Clemente Island: at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  JEPS55415  Lotus argophyllus var. argophyllus A. M. Ottley 1920-5-3 565 Los Angeles Little Tujunga Wash; San Gabriel Mts. 335 Comment
  RSA406921  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-11-25 2035 Los Angeles Hamilton Cove, Santa Catalina Island. Comment
  RSA176757  Lotus grandiflorus var. grandiflorus Donald W. Kyhos 1962-4-8 62 -82 Los Angeles Stuntz Road 2.2 miles from junction with Mulholland Highway Comment
  POM27753  Lotus heermannii Marcus E. Jones 1904-08 s.n. Los Angeles Los Angeles Comment
  SEINET10450490  Lotus oblongifolius David B. Dunn 1955-5-6 Dunn 11853 Los Angeles Collected in stoddard canyon below th eofrk in rd in san antonion canyon. About 1.25 Yrs after the fire went through striping the chaparralout. A few of the Sycamores had a narrow strip of cambium sruvive on the down canyon side. Live Oaks resprouting from many branches. Shrubs stumbp sprouting and an abundance Of herbaceous species. Comment
  SEINET7881024 Image available Lotus oblongifolius F. R. Fosberg, J. A. Ewan 1931-1 S 5544 Los Angeles Big Cieneya Pine Flats, N. ; San Gabriel can., San Gabriel Mts 90 Comment
  RSA406250  Lotus procumbens var. procumbens Anstruther Davidson 1893-4-1 s.n. Los Angeles Big Rock Comment
  UCR131380  Lotus purshianus Alison Lipman 1998-6-2 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
  UCR204887  Lotus salsuginosus R. G. Swinney 2008-3-26 8573 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UC1602068  Lotus salsuginosus Miss E. D. Palmer Nov 1904 Los Angeles vicinity Los Angeles Comment
  RSA191151  Lotus salsuginosus var. salsuginosus R. F. Thorne 1967-6-25 37123 Los Angeles San Gabriel Mountains: Evey Canyon, 716 Comment
  POM9533  Lotus salsuginosus var. salsuginosus P. A. Munz, R. D. Harwood 1920-5-17 3990 Los Angeles Topango [Topanga] Canon, Santa Monica Mtns 152 Comment
  POM9652  Lotus salsuginosus var. salsuginosus P. A. Munz, R. D. Harwood 1920-5-15 4005 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  RSA406810  Lotus salsuginosus var. salsuginosus Geo. L. Moxley 1918-5-31 342 Los Angeles along Sturtevant trail Comment
  RSA762060  Lotus salsuginosus var. salsuginosus Orlando Mistretta, Christine Mistretta 2008-5-16 3098 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 109 per TRTP Survey 2008), Upper Fish Canyon. 1001 Comment
  UC1594355  Lotus scoparius Tim Ross and Mathew Bell 1992-3-22 6052 Los Angeles ca 360 m nnw Yerba Buena Road intersection with Mulholland Highway (w side of Mulholland Highway); Santa Monica Mountains, Triunfo Pass U.S.G.S. 7.5' Quad. 487 Comment
  RSA406847  Lotus scoparius Ronald Estes 1949-6-24 4239 a Los Angeles Los Padres National Forest. 457 Comment
  RSA498857  Lotus scoparius E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA654189  Lotus scoparius var. brevialatus Marilyn Porter 1991-5-17 26 Los Angeles Upland at San Bernardino County line, south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 670 Comment
  RSA727384  Lotus scoparius var. brevialatus R. G. Swinney 1998-5-16 6101 Los Angeles San Gabrial 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
  UC15590  Lotus scoparius var. brevialatus Harley P. Chandler 1897-5-11 Los Angeles Claremont 457 Comment
  UCR126564  Lotus strigosus A. C. Sanders, Andy Thomson 2003-4-15 26014 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  RSA592348  Lotus strigosus P. H. Raven 1962-3-27 17001 Los Angeles just north of Palos Verdes 91 Comment
  POM243730  Lotus strigosus var. strigosus F. R. Fosberg 1931-3-26 S- 4393 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  SFV22013  Lotus wrangelianus V. Soza, L. Gross, A. Munoz 2000-5-12 902 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope above fire road. 488 Comment
  SD84740  Lupinus M. B. Dunkle 1939-4-5 7279 Los Angeles San Clemente Island; Pyramid Cove. Comment
  NY42968  Lupinus albifrons var. douglasii J. B. Walker 1995-3-29 1293 Los Angeles Angeles National Forest, East Fork Rd, 3km E of junction with Gabriel Canyon Rd 600 Comment
  SBBG14228  Lupinus albifrons var. douglasii M. A. Piehl 1962-10-3 62488 Los Angeles main rd above Swain's (Swain) Cyn (N arm) 381 Comment
  SD21270  Lupinus albifrons var. douglasii Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina Comment
  UCR102525  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 1997-3-6 1361 Los Angeles Tehachapi Mtns., Hills south of Gorman. Along Gorman Post Rd c. 1.1 mi. NW of Calif. Hwy 138 1128 Comment
  OBI70599  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-31 9446 Los Angeles Liebre Mtns Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn. T7N R17W NE 1/4 sec 22 1158 Comment
  RSA587965  Lupinus bicolor Orlando Mistretta 1992-5-4 227 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  RSA758009  Lupinus bicolor D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4261 A Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. & 1.61km N of Plum Cyn. 482 Comment
  UCR223463  Lupinus bicolor R. G. Swinney 2009-6-3 11052 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
  RSA598938  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1997-3-21 9196 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA599272  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-3-31 9446 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA442333  Lupinus chamissonis Freda Detmers 1931-3-12 13999 Los Angeles El Segundo. Comment
  SBBG113146  Lupinus concinnus S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 395 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  SBBG69026  Lupinus concinnus R. Hoffmann 1929-5-31 Los Angeles Pine Cyn Comment
  RSA330795  Lupinus elatus Wayne E. Sawyer 1981-7-12 92 Los Angeles Junction of crest trail and trail to Crystal Lake area 0.15 miles S of Little Jimmy Spring 2302 Comment
  UCR256259  Lupinus elatus R. G. Swinney 2010-10-13 14032 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  CAS-BOT-BC205159  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  SEINET12154515  Lupinus excubitus Unknown 1933-1 8533 Los Angeles Hollywood hills Comment
  RSA407098  Lupinus excubitus var. austromontanus Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  UCR274621  Lupinus excubitus var. austromontanus Daisie Huang 2008-3-18 80318- 03 Los Angeles Along Gorman Post Road, near large 'Gorman' billboard 1120 Comment
  RSA413598  Lupinus excubitus var. hallii H. L. Bauer 1932-4-15 s.n. Los Angeles near Saddle Peak Santa Monica Mts Comment
  SEINET10450555  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  SEINET10485305  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  CHSC3697  Lupinus formosus Mac Arthur 1966-4-28 10 Los Angeles Hughs Lake. 914 Comment
  RSA0088834  Lupinus formosus Bonnie C. Templeton, I. W. Clokey 1930-4-8 1491 Los Angeles 1 mile north of Elizabeth Lake. Comment
  RSA414468  Lupinus formosus var. formosus Robert Gustafson 1973-5-17 s.n. Los Angeles ca .4 mile above Charlton Flats campground 1677 Comment
  RSA579323  Lupinus formosus var. formosus T. S. Ross 1994-5-31 7977 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  RSA545182  Lupinus guadalupensis T. S. Ross 1992-4-16 6206 Los Angeles Central part of island; 291 degrees WNW, 725 m distant from summit of 1603' peak above Stone field station, San Clemente Island 416 Comment
  RSA413672  Lupinus hirsutissimus Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA607213  Lupinus latifolius subsp. latifolius L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  CAS-BOT-BC211654  Lupinus longifolius Geo. B. Grant 1904-5-29 730 Los Angeles Glendara Wash Comment
  CAS-BOT-BC211682  Lupinus longifolius Louis C. Wheeler 1936-6-8 4144 Los Angeles Mouth of Monroe Canyon, San Gabriel Mts. 548 Comment
  LA105086  Lupinus longifolius Barry A. Prigge; 1988-7-3 8228 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
  POM145832  Lupinus longifolius Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  POM2432  Lupinus longifolius C. F. Baker 1909-4-10 5301 Los Angeles Glendora Comment
  RSA229740  Lupinus longifolius Wesley O. Griesel 1961-5-19 s.n. Los Angeles State Hwy 2, La Canada Burn 609 Comment
  UC440473  Lupinus longifolius Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon Comment
  SEINET10485620  Lupinus longifolius Payne 1948-1 PAYNE 18882 Los Angeles Origin palos verdes hills. Garden plant # 6457 from 5879. Comment
  SBBG120065  Lupinus microcarpus var. densiflorus A. C. Sanders, M. Elvin 2003-4-14 25971 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SD234956  Lupinus microcarpus var. microcarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26124 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  OBI48501  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1346 Los Angeles Hwy 138 and 26th Ave in Palmdale Comment
  RSA641672  Lupinus peirsonii Orlando Mistretta 1993-7-6 930 Los Angeles San Gabriel Mountains: Dawson Saddle Trail 2475 Comment
  RSA779256  Lupinus sparsiflorus Pam De Vries 2011-4-29 7757 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 2.5 air miles NNE of the intersection of Copper Hill and McBean Parkway (Santa Clarita); about 0.5 air miles west of San Freancisquito Canyon Road., Along a north/south trending ridge 546 Comment
  SBBG45498  Lupinus sparsiflorus Leota Davidson 1966-3-10 242 Los Angeles 200 feet into second cyn off Tick Cyn, ca. 1 mi from entrance, off Soledad Cyn 609 Comment
  RSA86969  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1919-2-12 87 Los Angeles Hills west of the lower Arroyo Seco, west of Pasadena 396 Comment
  RSA708555  Lupinus succulentus Valerie L. Soza, LeRoy Gross 2001-5-9 1197 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
  RSA725756  Lupinus succulentus A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-4-28 26138 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UC865491  Lupinus succulentus Ira W. Clokey, B. Templeton 1929-3-25 4492 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon Comment
  UCR13474  Lupinus succulentus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  UCR152488  Lupinus succulentus A. C. Sanders, Lee Jones 2005-4-8 29372 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  SD113426  Lupinus succulentus Darley F. Howe 1947-3-23 1521 Los Angeles Palos Verdes Comment
  SD84827  Lupinus succulentus Reid Moran 1941-3-2 666 Los Angeles Santa Catalina Island; between Wilson's Cove and Howlands. 24 Comment
  CATA850  Lupinus truncatus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1659 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  OBI70943  Lupinus truncatus Steve Boyd, Lauren Raz 1997-3-25 9278 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn, T7N R17W NE 1/4 NE 1/4 sec 22 1061 Comment
  UCR126245  Lupinus truncatus A. C. Sanders 2003-3-14 25778 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
  RSA414357  Lupinus truncatus M. B. Dunkle 1939-4-6 7303 Los Angeles Mosquito Harbor. San Clemente Island Comment
  UCD34118  Lycium andersonii Beecher Crampton 1976-9-22 9421 Los Angeles Mojave Desert, San Gabriel Mtns., ca. 10 miles N.W. of Phelan. Comment
  SD248505  Lycium brevipes var. hassei R. E. Jr. Riefner 2011-8-19 11 104 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, Paseo Del Mar at Palos Verdes Drive West. Along trail next to parking lot. 89 Comment
  CAS-BOT-BC233472  Lycium californicum Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC231601  Lycium cooperi Russell S. Woglum 1942-5-20 3332 Los Angeles Transverse Ranges/Mojave Desert Transition: Little Rock Dam; Angeles National Forest Comment
  UC1234774  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-22 17833 Los Angeles first canyon west of Lions Head Point Santa Catalina Island 76 Comment
  UC1922357  Lythrum californicum Scott D. White, A. Warniment 2006-7-7 11621 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek NE of the I-5 Freeway. Comment
  UC56517  Lythrum californicum Ernest Braunton 1902-6-13 442 Los Angeles Griffith Park Comment
  PASA1881  Lythrum californicum Frank W. Peirson 1920-9-5 Los Angeles Eaton Canyon, San Gabriel Mts. 457 Comment
  RSA77785  Lythrum californicum F. W. Peirson 1920-9-5 291 Los Angeles Eaton Canyon, south base of San Gabriel Mountains. 457 Comment
  SD237517  Lythrum hyssopifolia R. G. Swinney 2008-6-25 9105 Los Angeles San Gabriel Mountains: Glendora, Harrow Canyon Debris Basin, seep on north-central side. 387 Comment
  RSA188373  Madia exigua R. F. Thorne, Percy C. Everett 1965-6-22 34909 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  POM308947  Madia exigua Kay H. Beach 1940-5-14 615 Los Angeles Trail to Cattle Canyon, San Dimas Experimental Forest, U.S. Forest Dept. Comment
  CATA3080  Madia gracilis Amy Catalano 2016-4-13 068 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 300 meters east of fruit orchard, on south side of road 254 Comment
  UC89408  Madia gracilis T. S. Brandegee 1890-5-14 Los Angeles Santa Catalina Island Comment
  UCR38921  Madia gracilis B. A. Prigge 1985-6-14 6399 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
  RSA69532  Maianthemum stellatum Frank W. Peirson 1921-7-17 2349 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  SD92014  Malacothamnus clementinus Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island; on cliff, China Canyon. 130 Comment
  UCR58505  Malacothamnus clementinus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island, China Canyon above confluence of Iwo Jima Gulch. 200 Comment
  CAS-BOT-BC230925  Malacothamnus davidsonii F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  OBI69341  Malacothamnus fasciculatus John Knapp, Denise Knapp 2002-11-27 16 Los Angeles Santa Catalina Island N3691559.19 E 365850.46 198 Comment
  SD233879  Malacothamnus fasciculatus A. C. Sanders, M. Elvin, C. Weigand 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters. 395 Comment
  UC1122024  Malacothamnus fasciculatus var. fasciculatus A. D. Gifford 1935-3-15 468 Los Angeles 2 mi wsw Red Mtn 579 Comment
  UCR145174  Malacothamnus fremontii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  SBBG66063  Malacothrix californica R. Hoffmann 1925-4-19 Los Angeles between Antelope Valley and Elizabeth Lake Comment
  UCR186946  Malacothrix californica A. C. Sanders 2006-4-10 31994 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  RSA150665  Malacothrix foliosa P. H. Raven 1962-4-11 17279 Los Angeles On large dune north of a point due west of Wall 2, San Clemente Island. 9 Comment
  SBBG105386  Malacothrix foliosa subsp. foliosa R. M. Beauchamp 1976-5-22 4150 Los Angeles below Permit, W of Seal Cove 38 Comment
  SD51916  Malacothrix foliosa subsp. foliosa Peter H. Raven 1962-5-8 17625 Los Angeles San Clemente Island, near western shore of island opposite Wilson Cove. 45 Comment
  UCR86715  Malacothrix foliosa subsp. foliosa T. S. Ross 1992-4-14 6175 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  JEPS36641  Malacothrix glabrata F. W. Peirson 1921-6-20 2149 a Los Angeles North Fork San Gabriel River San Gabriel Mts. 762 Comment
  LA105100  Malacothrix saxatilis var. tenuifolia Barry A. Prigge; 1988-7-3 8159 Los Angeles SANTA MONICA MOUNTAINS, 0.2 mi E of jtn of Mulholland Hwy and Old Topanga Rd, across from Calabasas High School. 313 Comment
  RSA187652  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1966-9-16 36725 Los Angeles Lookout Point SE of Pebbly Beach, Santa Catalina Island. 46 Comment
  RSA741027  Malacothrix saxatilis var. tenuifolia Justin M. Wood, Brandy Wood 2009-1-2 279 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  RSA780692  Malacothrix saxatilis var. tenuifolia Sandy Leatherman, Pam DeVries 2011-4-28 2011 -10 Los Angeles Transverse Ranges; Liebre Mountains region; 925 meters SW of Vasquez Canyon Road at Mesa Drive in Santa Clarita 576 Comment
  RSA362402  Malacothrix sonchoides Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  LA82201  Malosma laurina O. H. Kappler; 1940-7-21 71 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon, away from beach. 365 Comment
  UCR197085  Malus sylvestris LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2829 Los Angeles Transverse Ranges; Verdugo Mountains, southeast side of the San Rafael Hills, behind a power substation near a small pond, at end of Wierfield Drive 313 Comment
  SD86321  Malva assurgentiflora R. Beauchamp, M. Douglas 1972-3-24 3208 Los Angeles San Clemente Island; among talus from air-strip construction. 24 Comment
  RSA604993  Malva neglecta Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Main wash by mouth of Sawmill Canyon. Comment
  SEINET4044586  Malva parviflora D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, East of Corral Canyon Rd. 152 Comment
  SEINET1004067  Malva sylvestris A. C. Sanders, Lee Jones 2005-1 29347 Los Angeles South Coast: Palos Verdes Peninsula, old MarineLand Site on Long Point and Bluffs toward Pt. Vicente (Redondo Beach 7.5' Q) 2 Comment
  RSA670680  Marah guadalupensis B. C. Templeton 1968-2-25 11394 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  RSA133806  Marah macrocarpa P. H. Raven 1959-2-15 s.n. Los Angeles Benedict Canyon at Mulholland Drive. Santa Monica Mtns. 335 Comment
  UCSB9123  Marah macrocarpa Crum, Charles 1958-7-15 Los Angeles Mulholland Drive between Sepulveda and Topanga Roads, near Los Angeles Comment
  RSA440981  Marah macrocarpa var. macrocarpa Charlotte Brown 1929-1-13 S.n. Los Angeles Little Santa Anita Canyon Comment
  RSA0036913  Marrubium vulgare Phil Elliott 1981-2-20 13 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/4 mile south of Grand Ave. Comment
  JEPS36099  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles s of Rogers Lake (Avenue A); Mojave Desert, Edwards Air Force Base 614 Comment
  UCR124606  Meconella denticulata I. W. Clokey, B. C. Templeton 1929-1 4428 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  POM97347  Meconella denticulata Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  UCR205553  Medicago lupulina R. G. Swinney 2008-5-30 8888 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA592418  Medicago polymorpha Mark Hoefs, D. Propst 1973-3-3 36 Los Angeles Santa Catalina Island. North slope of Black Jack Mt. 442 Comment
  UC865606  Medicago polymorpha L. W. Nuttall 1920-1 60 Los Angeles Santa Catalina Island Comment
  UCR231077  Medicago sativa Dan S. Cooper 2011-9-10 s.n. Los Angeles South Coast, corner of Occidental Ave. and 3rd St., Lafayette Park area, Los Angeles 92 Comment
  SD260159  Melica imperfecta R. G. Swinney 2010-5-19 12811 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. 1335 Comment
  SJSU12980  Melica imperfecta C. W. Sharsmith 1941-6-22 4398 Los Angeles Eaton Canyon San Gabriel Mts 548 Comment
  UCD87787  Melica imperfecta A. A. Beetle 1946-4-20 4741 Los Angeles Palos Verdes Hills, near Los Angeles. Comment
  UCD87796  Melica imperfecta T. S. Brandegee 1890-5-12 s.n. Los Angeles Santa Catalina Island. Comment
  UCSB414  Melica imperfecta H., J. 1935-4-24 Los Angeles San Dimas Exp. Forest; trail above Wolfskill flume; sec 18, T 1N, R 8W 609 Comment
  CAS-BOT-BC281097  Melica stricta Le Roy Abrams; E. A. McGregor 1908-7-3 614 Los Angeles N Baldy Mt, San Gabriel Mts 1828 Comment
  CAS-BOT-BC281098  Melica stricta Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38907 Los Angeles San Gabriel Mts. Angeles National Forest; Canyon above Angeles Crest highway, ca 1 mile W of Vincent Gap, on one of headwaters of E fork Big Rock Creek N face Mt Baden Powell 2331 Comment
  JEPS65548  Melilotus albus Frank W. Peirson 1919-3-30 354 Los Angeles Tujunga Canyon San Gabriel Mountains 426 Comment
  POM348151  Melilotus albus Ora M. Clark 1929-2-3 1503 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA550428  Melilotus albus T. S. Ross 1992-7-10 6664 Los Angeles Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  LA202584  Melilotus indicus Norman A. Cole; May 1964 323 -b Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 152 Comment
  RSA652188  Melilotus indicus Guy C. Black 1948-4-23 s.n. Los Angeles 3 mi. north west of Covina. 213 Comment
  RSA0050047  Mentha Wendy Boes, Andrew Wheeler 2009-7-13 2009 -044 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 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
  SEINET269530  Mentzelia E. J. Lawlor, A. C. Sanders 1988-4-3 7736 Los Angeles Southern Mojave Desert 1.3 miles northwest of the San Bernardino County line on highway 138 about 2 miles north west o 1158 Comment
  JEPS41148  Mentzelia albicaulis W. L. Jepson 1935-4-17 17031 Los Angeles west Mojave Desert, Lancaster 716 Comment
  UC1595365  Mentzelia dispersa Tim Ross, Steve Boyd 1990-6-18 3452 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek (northerly draw draining to Jackson Lake); USGS 7.5, SW/4 1877 Comment
  SBBG113276  Mentzelia micrantha S. A. Junak with M. L. Hoefs 1997-6-4 SCa 410 Los Angeles W end of Empire Landing, rock quarry site, on E side of small cyn 36 Comment
  UCR208487  Mentzelia micrantha Justin M. Wood 2009-4-13 493 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  UCR219399  Mentzelia micrantha R. G. Swinney 2009-3-31 10226 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  RSA446888  Mentzelia veatchiana Anstruther Davidson 1892-05 s.n. Los Angeles El Monte Comment
  RSA509532  Mentzelia veatchiana S. J. Myers, Ed LaRue 1989-3-20 s.n. Los Angeles Palmdale Area, Elizabeth Lake Road at Ca. Aqueduct. 884 Comment
  CATA1153  Mesembryanthemum crystallinum Mark L. Hoefs 1995-5-30 2144 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  SBBG14234  Mesembryanthemum nodiflorum M. A. Piehl 1962-10-3 62486 Los Angeles main rd near jct with Middle Ranch Rd Comment
  UCD102821  Micranthes californica Daryl Koutnik 1978-3-27 176 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Avenue, Claremont. 579 Comment
  RSA393756  Micropus californicus var. californicus L. C. Wheeler 1934-4-15 2520 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  POM363448  Microseris heterocarpa Anstruther Davidson 1902-5-4 s.n. Los Angeles Redondo. Comment
  RSA0053900  Microseris lindleyi R. G. Swinney 2010-5-11 12631 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCR184108  Microseris lindleyi A. C. Sanders, T. B. Salvato 2007-4-24 33487 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  RSA232788  Microseris lindleyi R. F. Thorne 1966-4-17 36130 a Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  SD197929  Mimetanthe pilosa R. G. Swinney, Cody Clarke 2001-8-22 8086 Los Angeles 1.5 miles southsouthwest of Dawson Saddle, junction of South Fork Big Rock Creek and Highway 2. 2305 Comment
  RSA599335  Mimulus androsaceus Steve Boyd, Lauren Raz 1997-3-26 9363 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA442636  Mimulus aurantiacus Louis C. Wheeler 1932-7-2 885 Los Angeles E Fork San Dimas Canyon, San Gabriel Mountains. 762 Comment
  RSA724658  Mimulus aurantiacus K. Dobry 1991-5-20 598 Los Angeles West San Gabriel [Mountains] at Elsmere Cyn. Comment
  UC1922286  Mimulus aurantiacus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains region; 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. Near 34deg 14' 12.6'' N 118deg 17' 24.7'' W T2N 518 Comment
  RSA127843  Mimulus aurantiacus var. pubescens Peter H. Raven 1959-5-9 14167 Los Angeles Santa Monica Mountains. Mulholland Hwy 1 mile W of Las Virgenes Road. Malibu Creek drainage. 274 Comment
  UCSB10374  Mimulus aurantiacus var. pubescens Wedberg, Lee 1954-4-5 Los Angeles Griffith Park 457 Comment
  UCR190461  Mimulus bigelovii R. G. Swinney 2001-4-18 7881 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR128124  Mimulus brevipes Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  RSA408134  Mimulus brevipes H. Twining 1906-07 s.n. Los Angeles Mineral Park. Comment
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Dec 31 2015
  UCR270872  Mimulus cardinalis R. G. Swinney 2011-8-17 15633 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UC483215  Mimulus floribundus L. R. Abrams and I. L. Wiggins 1931-7-6 394 Los Angeles vicinity Mosquito Harbor; Channel Islands, San Clemente Island Comment
  UCR194076  Mimulus floribundus R. G. Swinney, Dave Larson 1999-5-29 7212 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  RSA747618  Mimulus guttatus R. G. Swinney 2008-6-9 9013 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  SBBG97019  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4437 Los Angeles Bryce Cyn near Malo Pt Comment
  SEINET4678061  Mimulus guttatus K. Dobry 1991-5-13 508 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UC26962  Mimulus guttatus Harley P. Chandler 1897-1-1 Los Angeles Claremont 396 Comment
  UCR223602  Mimulus guttatus R. G. Swinney 2009-6-8 11083 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
  UCR258605  Mimulus guttatus R. G. Swinney 2010-8-26 13606 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  LA97922  Mimulus guttatus Frank W. Peirson; 1923-4-10 3471 Los Angeles San Clemente Island, South slope canyon about 5 mi SE of Eagle Ranch Comment
  CHSC5101  Mimulus johnstonii M. MacArthur 1967-7-16 Los Angeles Lower Cilao Flats near parking area about 1 mi. from Angeles Crest Hwy., Angeles National Forest, San Gabriel Mountains. 1584 Comment
  UC1778569  Mimulus johnstonii S. E. Schoenig 1998-6-20 98 -55 Los Angeles Angeles National Forest; NE side of road. 3.0 along 4N11 (Big Rock Cr. Rd.) from Valyermo-Big Pine Rd., 1389 Comment
  UC27082  Mimulus parishii Dr. A. Davidson 1895-1 Los Angeles Rock Creek Mojave Dist. Comment
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Apr 29 2009
  UCR154030  Mimulus parishii A. C. Sanders 2005-5-11 30201 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR203223  Mimulus parishii R. G. Swinney 2005-7-21 8313 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA582789  Mimulus pilosus Tim S. Ross, S. D. Boyd 1993-5-23 7233 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  UCR189975  Mimulus pilosus R. G. Swinney 1998-8-31 6874 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  RSA0028702  Mimulus puniceus Dan Milojevich 1981-5-12 38 Los Angeles 80 feet S. of Workman Mill Rd. 1 mile from Peck intersection. Comment
  UCR189844  Mimulus rubellus R. G. Swinney 1998-7-14 6455 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  RSA423549  Minuartia douglasii L. C. Wheeler 1932-5-28 789 Los Angeles San Antonio Canyon, E side SE Hogback 1280 Comment
  RSA716903  Minuartia douglasii LeRoy Gross 2006-5-30 2465 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Between 34.56823N, 118.74161W, and 34.5822N, 118.73220W 1244 Comment
  CAS-BOT-BC434631  Mirabilis laevis var. crassifolia John H. Thomas 1957-4-27 6704 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 152 Comment
  SBBG69790  Mirabilis laevis var. crassifolia R. Hoffmann 1928-7-8 Los Angeles Fairmont Comment
  LA51379  Modiola caroliniana R. L. Armacost; 1953-6-21 2 Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  UCR2564  Monanthochloe littoralis F. M. Reed 1909-7-6 2856 Los Angeles Santa Catalina Island, Salt marsh at Isthmus 0 Comment
  RSA0039127  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  PASA1137  Monardella candicans Florence Brubaker Los Angeles Mint Canyon Comment
  RSA408578  Monardella exilis Dana Krempels 1981-5-2 43 -DK Los Angeles West Mojave desert; amoung Buttes. +/-2 miles WSW of Alpine Bute. +/-1.5 miles north of road O. 762 Comment
  RSA408580  Monardella exilis Anstruther Davidson 1926-5-26 s.n. Los Angeles Mojave. Comment
  SBBG71985  Monardella exilis R. Hoffmann 1929-5-20 Los Angeles Redman Comment
  UC2030066  Monolopia lanceolata Steve Boyd, Lee Lenz 2001-5-2 10419 Los Angeles Transverse Ranges; Liebre Mountains region: along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. Comment
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Apr 24 2018
  RSA392629  Mucronea californica var. suksdorfii Jack Rempel 1934-5-14 s.n. Los Angeles Playa del Rey. Comment
  RSA533927  Muhlenbergia appressa Timothy S. Ross, Mistretta, Hammitt 1991-5-19 5232 Los Angeles San Clemente Island: southeast end of island; easternmost branch of Snake Cactus Canyon (drainage beginning 2350 feet due W of Guds) 131 Comment
  HSC83457  Muhlenbergia microsperma D. L. Koutnik 1978-5-2 460 Los Angeles Bell Canyon in the Simi Hills. 427 Comment
  RSA249732  Muhlenbergia microsperma R. F. Thorne, M. Z. Thorne 1973-2-12 42472 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  RSA0070068  Muhlenbergia microsperma Mark L. Hoefs, Robert Given 1992-4-16 1803 Los Angeles Santa Catalina Island: Wild Boar Gully. 152 Comment
  SBBG131965  Muhlenbergia microsperma S. A. Junak, B. Collins 1991-4-24 SCI 157 Los Angeles upper part of Eel Point grade 198 Comment
  RSA228903  Muhlenbergia richardsonis R. F. Thorne 1971-8-25 41271 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  RSA762695  Muhlenbergia richardsonis R. G. Swinney 2008-7-24 9353 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA0070127  Muilla maritima LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6959 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
  RSA230200  Muilla maritima Robert F. Thorne 1969-7-2 38222 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  UC1871321  Muilla maritima T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4798 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  CAS-BOT-BC514192  Muilla maritima G. B. Grant 1901-3-24 3645 Los Angeles Eaton Wash Comment
  UCR209996  Myriophyllum sibiricum R. G. Swinney 2008-10-16 9607 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  SBBG13268  Myriopteris newberryi M. A. Piehl 1962-6-9 62316 Los Angeles just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  UC24134  Nama demissa var. demissa Jos. Burtt Davy May 1896 2558 b Los Angeles Antelope Valley Comment
  RSA589506  Nama stenocarpa E. Kellogg 1992-6-28 s.n. Los Angeles San Clemente Island. SE of the airport, 29 and 1500 ft. NNE of the 408-foot knoll. 122 Comment
  RSA565754  Nandina domestica Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; between Gould Mesa Picnic area and Oakwilde Picnic area Comment
  UCD87402  Nassella cernua A. A. Beetle 1942-4-24 3216 Los Angeles Rt. 6, 10 miles south of Palmsdale. Comment
  RSA527710  Nassella pulchra Timothy S. Ross, Annette Ross 1991-3-7 4149 Los Angeles Elephant Hill, western Pomona. 300 Comment
  RSA592050  Nassella pulchra Mark Hoefs, D. Propst 1973-5-4 264 Los Angeles Santa Catalina Island: above and east of camp at Emerald Cove 30 Comment
  CDA29945  Nassella tenuissima Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  POM273404  Nasturtium officinale George B. Grant 1901-5-10 s.n. Los Angeles Pasa Comment
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Jun 26 2014
  UC133713  Navarretia hamata J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  CAS-BOT-BC233562  Navarretia prostrata Frank W. Gould 1944-6-17 2353 Los Angeles Western Avenue at 131st Street, Los Angeles Comment
  RSA713256  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-5-3 2217 -b Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA680219  Nemacladus sigmoideus Valerie L. Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1683 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  RSA0003800  Nemophila menziesii subsp. australis Marcus E. Jones 1882-2-25 3037 Los Angeles Pasadena. Comment
  SFV17366  Nemophila menziesii var. menziesii J. N. Hogue, D. L. Bishop 1998-5-28 110 .1 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  POM188390  Nicolletia occidentalis P. A. Munz, T. Craig 1933-5-13 12935 Los Angeles 10 miles south of Muroc Comment
  RSA586821  Nicotiana attenuata Orlando Mistretta 1994-6-21 1390 Los Angeles San Gabriel Mountains: Santiago Canyon. on road cut near south end of road into Santiago Canyon 1372 Comment
  CAS-BOT-BC231702  Nicotiana glauca Ira L. Wiggins 1925-6-1 1755 Los Angeles White's [Whites] Landing, Santa Catalina Island Comment
  LA45888  Nicotiana glauca M. A.; M. Zaitlin Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  POM306268  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1411 Los Angeles North Craig Ave., Altadena. Comment
  RSA657467  Nicotiana glauca J. Liston 1980-6-2 49 Los Angeles Back dirt trail of Verdugo Park, 1/2 mile west of Glendale College Comment
  UCR48867  Nicotiana glauca Steve Morgan 1974-4-25 71 Los Angeles Western Transverse Range; Santa Monica Mtns., 1/4 mi east of Mulholland Hwy on Stunt Rd. 366 Comment
  UCR1044  Nierembergia frutescens Thomas A. Zink 1971-1 s.n. Los Angeles Los Angeles Basin, along the seventh fairway of the Chevy Chase Country Club in Glendale. 305 Comment
  RSA458916  Oenanthe sarmentosa James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  UC21141  Oenanthe sarmentosa unknown 1893-7-10 476 Los Angeles Pasadena Comment
  OBI12021  Oenothera californica Bill Arbaugh 1966-4-26 s.n. Los Angeles W on 138 from Lancaster 762 Comment
  OBI39741  Oenothera deltoides David J. Keil 1977-5-8 12314 Los Angeles Just outside of Saddleback Butte State Park 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
  UC1007161  Oenothera elata subsp. hookeri Philip A. Munz 1935-9-22 14006 Los Angeles Claremont Comment
  UC1007095  Oenothera glazioviana P. A. Munz 1937-7-5 14696 Los Angeles Claremont Comment
  RSA768213  Oenothera rosea Justin M. Wood 2010-4-12 1461 Los Angeles City of Claremont: Metrolink train station, just W of College Ave. Comment
  JEPS112931  Opuntia basilaris var. brachyclada Dean W. Taylor 2002-5-1 18027 Los Angeles slopes ca. 1 air mile NE of Dry Canyon Reservoir (ca. 6 miles N of Saugus), Angeles National Forest adjacent to Forest Road 5N29 579 Comment
  SD139639  Opuntia littoralis Jon P. Rebman, Jonathan Dunn 1996-4-29 3119 Los Angeles San Clemente Island: Eel Cove, coastal flats near Eel Point, on west side of island. (IPB 9/07) 10 Comment
  SEINET224186 Image available Opuntia littoralis L. Benson 1956-12-27 15707 Los Angeles First granite hills E of Camarillo US Hwy 101 0 Comment
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Dec 3 2014
  UC1870332  Opuntia microdasys LeRoy Gross 2001-10-6 449 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Big Tujunga Wash, southern front of the San Gabriel Mountains 366 Comment
  UCR130509  Orcuttia californica R. E. Riefner Jr. 2003-7-26 03- 328 Los Angeles Western San Gabriel Mtns., Near Solemint, in Plum Canyon, near intersection with Arline Drive and Sierra Hwy. 587 Comment
  RSA741146  Oreonana vestita Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2302 Los Angeles North slope of Mount Islip from Little Jimmy Campground to the summit. 2287 Comment
  RSA0070994  Orobanche californica subsp. feudgei Anstruther Davidson 1893-08 s.n. Los Angeles San Gabriel Mts. Comment
  RSA0066439  Orobanche fasciculata Louis C. Wheeler 1967-8-9 10435 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  CHSC1165  Orobanche parishii subsp. parishii E. Thomas 1940-5-12 Los Angeles San Fernando foothills. Comment
  JEPS79818  Orobanche valida subsp. valida W. P. Armstrong 1979-7-12 Los Angeles ca. 2.4 km. s.w. S. Fork Campground (trail up S. Fork Big Rock Creek); S. Fork Big Rock Creek 1707 Comment
  RSA641081  Orobanche valida subsp. valida Orlando Mistretta 1995-7-6 1869 Los Angeles San Gabriel Mountains: Big Rock Creek, on trail at sign indicating [way] to Devil's Punchbowl County Park. (Orobanche valida survey site E). 1509 Comment
  SEINET10549693  Orthocarpus linearilobus David B. Dunn 1941-3-22 Dunn 899 Los Angeles Three mi n from clear creek service station, n side of tehachepis oak covered Hills. Comment
  RSA187715  Orthocarpus purpurascens Robert F. Thorne 1966-4-5 35833 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA4767  Orthocarpus purpurascens var. pallidus James Snow 1932-1 s.n. Los Angeles The Bryant ranch, near Long Beach. Comment
  RSA458991  Osmorhiza brachypoda L. E. Hoffman 1934-7-24 s.n. Los Angeles Millard s Canyon, Angeles Forest. Comment
  POM139505  Oxalis albicans subsp. californica C. F. Baker 1903-4-22 4175 Los Angeles Monrovia. Comment
  UC174039  Oxalis albicans subsp. pilosa G. B. Grant 1901-5-9 8378 Los Angeles Altadena Comment
  CATA882  Oxalis californica Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1695 Los Angeles Santa Catalina Island: By road between K.B.R.T. and Bulrush Canyon 359 Comment
  UCR220240  Oxalis corniculata R. G. Swinney 2009-4-13 10332 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  JEPS22777  Oxytheca parishii var. parishii Rimo Bacigalupi with Reino Alava 1958-7-20 6434 Los Angeles just s Mt. Lewis (just w of Dawson Saddle, along Angeles Crest Highway (State Highway 2), above headwaters of South Fork of Big Rock Creek, San Gabriel Mts.); San Gabriel Mountains 2429 Comment
  RSA473023  Packera ionophylla F. R. Fosberg 1931-8-12 S 5670 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA580955  Paeonia californica Jamie Kneitel 1994-4-28 41 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  UCSB11513  Paeonia californica Haines, Bruce 1962-3-11 Los Angeles 5 miles North of the Pacific Ocean on California highway 27, Topanga 274 Comment
  UCR48932  Pancratium maritimum A. C. Sanders 1987-7-22 7156 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR281970  Panicum miliaceum R. G. Swinney 2014-5-15 16542 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  POM367108  Parapholis incurva Gary D. Wallace 1979-5-15 1842 Los Angeles LA Arboretum; growing on the greenhouse in a crack, north of headhouse Comment
  SBBG42531  Parietaria hespera var. californica M. B. Dunkle 1939-4-3 7219 Los Angeles Chenetti Cyn Gorge Comment
  CAS-BOT-BC413414  Parietaria hespera var. hespera Geo. B. Grant 1901-4-9 3785 Los Angeles Avalon Comment
  SBBG126034  Parietaria hespera var. hespera A. Parikh, N. Gale 2010-5-6 3147 Los Angeles spillway channel of Santa Fe Flood Control Basin, 1.1 km NE of intersection of I-605/Arrow Hwy 139 Comment
  UCD111504  Parietaria hespera var. hespera Scott D. White; Michael Honer 2004-6-24 10486 B Los Angeles Pomona Valley/San Gabriel Mountain. City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and W of concrete-lined flood control channel. 487 Comment
  SBBG128235  Paspalum dilatatum M. L. Hoefs, S. A. Junak 1996-7-9 2722 Los Angeles bunkhouse at Middle Ranch, Middle Cyn 207 Comment
  RSA623864  Paspalum distichum Charlotte M. Hoak 3908 Los Angeles Santa Monica Canyon. Comment
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May 29 2014
  SD187450  Passiflora caerulea R. E. Jr. Riefner 2007-4-15 07 180 Los Angeles Harbor City, Harbor Regional Park & Lake, Bixby Slough, Vermont Ave. / Pacific Coast Hwy. 46 Comment
  RSA746628  Pectocarya linearis R. G. Swinney 2008-4-10 8638 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA724394  Pectocarya linearis subsp. ferocula K. Dobry 1990-3-25 d- 102 Los Angeles Simi Hills at Dayton Canyon Comment
  UCD120127  Pectocarya linearis subsp. ferocula Daryl Koutnik 1978-4-14 366 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  RSA757330  Pectocarya linearis subsp. ferocula Orlando Mistretta, Christine Mistretta 2008-4-3 2298 Los Angeles Liebre Mountains region: near the intersection of Southern California Edison Transmission Line and Peaceful Valley Road, North of intersection of transmission Line and State Hwy 14, in the vicinity of Soledad Pass (Segment 5, structure 60 per TRTP survey; 2008). 1083 Comment
  RSA0103342  Pectocarya penicillata R. G. Swinney 2011-5-19 14795 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA719024  Pectocarya penicillata R. G. Swinney 1998-4-14 5978 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  SD178182  Pectocarya penicillata A. C. Sanders, T. B. Salvato 2005-4-26 29708 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Plum Canyon Rd. in Mint Canyon, northwest of Ferest Park and south of Cruzan Mesa. Fairly common in open areas along road. 594 Comment
  UCR222785  Pectocarya setosa R. G. Swinney 2009-4-28 10552 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR96139  Pectocarya setosa B. G. Pitzer 1996-4-21 2715 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  RSA229063  Pedicularis semibarbata Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38895 Los Angeles San Gabriel Mts., Hunt Canyon 3 mi E of Vincent 2332 Comment
  CATA165  Pellaea andromedifolia Mark L. Hoefs 1973-3-17 128 Los Angeles Santa Catalina Island: Ben Weston Beach Road 45 Comment
  POM296975  Pellaea andromedifolia var. andromedifolia Karen Hosterman 1957-4-8 961 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  POM6789  Pellaea andromedifolia var. andromedifolia Hilda Wood 1901-2-14 s.n. Los Angeles Glendora Comment
  POM312738  Pellaea andromedifolia var. andromedifolia D. Taylor 1951-5-17 59 Los Angeles Little Dalton Canyon north of Glendora. San Gabriel mtn range. Pacific drainage area. 365 Comment
  RSA686908  Pellaea mucronata Freda Detmers 1930-6-18 s.n. Los Angeles Laurel Canyon Ridge Comment
  CATA3538  Pennisetum setaceum Benjamin J. Dion, Morgan Fleming 2018-5-11 006 Los Angeles Santa Catalina Island: Channel side; Landfill; roadside between road and steep rockface above the road at the landfill / city dump in the East End Quarry watershed. 77 Comment
  UC1587647  Pennisetum setaceum Tim Ross 1991-4-21 4566 Los Angeles Skyline Drive at head of Turnbull Canyon (Whittier Hills (Puente Hills, pro parte)); Whittier Hills, Turnbull Canyon 353 Comment
  POM4280  Penstemon centranthifolius M. Hitchcock 1918-7-3 10 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. Comment
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May 29 2014
  RSA716515  Penstemon centranthifolius Scott D. White, Pam De Vries 2006-5-10 11444 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
  RSA724660  Penstemon centranthifolius K. Dobry 1991-5-13 548 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCD166191  Penstemon centranthifolius Jack Major 1962-4-15 757 Los Angeles On road to Big Pines above Valyermo, north side of San Antonio Peak. (Exact location unknown. Coordinates estimated by label maker.) 1390 Comment
  UCR277081  Penstemon centranthifolius R. G. Swinney 2011-6-7 15080 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
  JEPS11574  Penstemon centranthifolius Frank W. Peirson 1918-5-26 200 Los Angeles Henniger Flats San Gabriel Mountains, Henniger Flats 868 Comment
  RSA0014866  Penstemon centranthifolius Gary D. Wallace, M. Wallace 1983-5-20 2073 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  UCSB18468  Penstemon centranthifolius Lakatos, Susie 1964-3-28 Los Angeles fire road behind Topanga Elementary School; 4.3 miles on Topanga Canyon Blvd. from intersection with U.S. Highway 101 Comment
  UCSB6160  Penstemon centranthifolius 1940-7-1 Los Angeles San Dimas Exp. Forest; road below Sunset Peak Comment
  SEINET3160255  Penstemon cordifolius G. B. Grant 1904-6-14 935 Los Angeles Monrovia Comment
  UC1012242  Penstemon grinnellii Francis W. Pennell 1940-6-25 26006 Los Angeles Mount Wilson 1676 Comment
  UC479132  Penstemon grinnellii Marcus E. Jones, A. M. 1931-6-28 28825 Los Angeles San Antonio Peak Comment
  UCR259562  Penstemon grinnellii R. G. Swinney 2010-9-7 13698 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCSB9641  Penstemon grinnellii Robbins, G.; Bacigalupi, Rimo 1952-4-26 Los Angeles lower Kern River Canyon; about 5 miles west of junction of Calif. 178 with road leading to Democrat Hot Springs 883 Comment
  RSA585778  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-6-11 1878 Los Angeles San Gabriel Mountains, Santiago Canyon, north slope of Pacifico Mountain, near summit. 2073 Comment
  UCR209655  Penstemon heterophyllus R. G. Swinney 2008-6-25 9100 Los Angeles San Gabriel Mountains, Glendora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin 439 Comment
  RSA407911  Penstemon heterophyllus subsp. australis Geo. L. Moxley 1913-6-15 s.n. Los Angeles Eagle Rock Park Comment
  SEINET10782942  Penstemon heterophyllus var. australis Eric H. Roalson 1997-5-8 Roalson 1393 Los Angeles Glendora Ridge Road. Comment
  JEPS11117  Penstemon labrosus Frank W. Peirson 1918-6-30 204 Los Angeles summit of Mt. Wilson San Gabriel Mountains, summit of Mt. Wilson 1752 Comment
  SD82816  Penstemon labrosus Victor Duran 1933-7-10 3519 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UC1586215  Penstemon labrosus Tim Ross 1991-8-16 5849 Los Angeles Horse Flats , Chilao Flat Quad, Horse Flats (San Gabriel Mountains) 1719 Comment
  POM123113  Pentachaeta lyonii Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA0110843  Pentagramma triangularis R. G. Swinney 2011-4-26 14513 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  SFV76  Pentagramma triangularis K. A. Wilson 1961-2-18 856 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
  RSA0065219  Pentagramma triangularis Anonymous 2 Los Angeles San Antonio Canyon, near Claremont. Comment
  RSA0065221  Pentagramma triangularis Mark Hoefs 1973-3-13 70 Los Angeles Santa Catalina Island: upper Avalon Canyon, west of Memorial. 259 Comment
  LA3424  Pentagramma triangularis subsp. triangularis Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  LA94213  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-9 1838 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, ca 3 mi N of Sunset Blvd in ravine W of road. 182 Comment
  UC62535  Pentagramma triangularis subsp. triangularis Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremont 914 Comment
  UCSB8257  Pentagramma triangularis subsp. triangularis Olsen, Meryl 1954-4-19 Los Angeles Little Dalton Canyon, San Gabriel Mountains 548 Comment
  SEINET11809862  Perezia microcephala J. F. Bright, Wyman, C. 1931-1 5673 A Los Angeles around Hollywood Comment
  CAS-BOT-BC217831  Perideridia pringlei W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1645 Comment
  UCSB56346  Peritoma arborea Thorne, Robert 1975-9-3 Los Angeles Santa Catalina Island, near Blue Cavern Point 15 Comment
  CAS-BOT-BC73765  Peritoma arborea var. arborea Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  UCD117315  Petalonyx thurberi M. Vincent 1962-10-4 299 Los Angeles Pallett Creek Road, 1 mile S of Valyermo Road. Comment
  RSA423795  Petunia parviflora Anstruther Davidson 1899-4-11 111 Los Angeles [Indecipherable locality information] Comment
  POM50046  Phacelia bicolor A. D. E. Elmer 1902-06 3720 Los Angeles Acton, Mt. Gleason. Comment
  UCR271679  Phacelia brachyloba R. G. Swinney 2011-5-31 14919 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR276778  Phacelia brachyloba R. G. Swinney 2011-5-16 14720 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA660397  Phacelia brachyloba Orlando Mistretta 1992-6-17 586 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  SEINET12280048  Phacelia campanularia Unknown 1933-1 8419 Los Angeles Comment
  RSA44893  Phacelia cicutaria var. hubbyi J. C. Roos 1947-5-4 3603 Los Angeles Kellogg Hill West of Pomona, Los Angeles County Comment
  RSA582236  Phacelia cicutaria var. hubbyi Louis C. Wheeler 1932-5-21 729 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  SEINET3245999  Phacelia cryptantha R. G. Swinney 2009-1 10818 Los Angeles Transverse Range; San Gabriel Mtns. Foothills: Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. Juniper Hills. 437 Comment
  UCR197755  Phacelia cryptantha Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 5 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
  UCSB74601  Phacelia cryptantha 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.) then dropped off ridge into canyon bottom back to origin 1413 Comment
  UCR160021  Phacelia curvipes L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns., Big Rock Creek, 0.75 mi north of Big Rock Springs 1159 Comment
  POM18200  Phacelia distans P. A. Munz 1923-4-10 6738 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  RSA342251  Phacelia distans Robert F. Thorne 1963-5-15 s.n. Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  RSA578805  Phacelia distans Tim S. Ross, Darin Banks 1994-4-13 7547 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  UC1432903  Phacelia distans R. Beauchamp and M. Douglas 1972-3-24 3221 Los Angeles behind sand dune s Eel Point; San Clemente Island 25 Comment
  POM3767  Phacelia distans O. W. Robinson 1916-3-10 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  UC710448  Phacelia douglasii Carl Epling 1943-3-13 Los Angeles Pershing Drive 1 mi s Culver City Blvd.; Playa del Rey Comment
  RSA588637  Phacelia egena Orlando Mistretta 1994-5-31 1267 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  SDSU6646  Phacelia fremontii D. F Howe 1947-5-6 1533 Los Angeles North side of San Gabriel Mts. 1676 Comment
  UCR269989  Phacelia fremontii R. G. Swinney 2010-5-19 12777 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA602475  Phacelia grandiflora Scott D. White 1997-5-8 5097 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  RSA653287  Phacelia grandiflora Kelly Middleton, David Middleton 1988-5-23 43 Los Angeles Glendora Ridge Road, 6.5 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1067 Comment
  UC311500  Phacelia grandiflora Philip A. Munz 1925-4-23 9408 Los Angeles San Gabriel Canyon 304 Comment
  JEPS1985  Phacelia grandiflora I. J. Condit c. 1912 Los Angeles San Dimas Comment
  POM3752  Phacelia imbricata subsp. bernardina Lois Clency 1916-5-1 s.n. Los Angeles N of Observatory, Claremont. Comment
  RSA230372  Phacelia imbricata subsp. patula Robert F. Thorne, M. Z. Thorne 1969-7-10 38377 Los Angeles San Gabriel Mountains, Angeles National Forest: North of Jackson Lake. 1860 Comment
  UCR259409  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA660220  Phacelia longipes Fred Brooks 1988-5-7 38 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  SEINET13276734 Image available Phacelia longipes R. G. Swinney 2011-1 14600 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  RSA0070276  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  SBBG82793  Phacelia minor M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  UCR163196  Phacelia minor Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Mtns, Palmer Canyon, Claremont, North Padua Ave, road to water tank at edge of bulldozed area, NNE of Padua Hills Theater 610 Comment
  RSA0035452  Phacelia minor Roxanne Smith 1991-5-5 12 Los Angeles Hills southeast of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Road and Steep Cyn. Road. Comment
  CAS-BOT-BC226232  Phacelia ramosissima Jeremiah George 2011-6-20 s.n. Los Angeles South Coast: Palos Verdes Estates, just east of junction of Palos Verdes Dr. North and Pso [Paseo] del Campo 92 Comment
  SBBG15752  Phacelia tanacetifolia W. G. Webb 1935-4-1 Los Angeles near Palmdale Comment
  RSA428212  Phacelia tanacetifolia J. P. Broughton, Long 1971-3-24 1347 Los Angeles Burned area on Cornell Road just E of Lake Enchanto Comment
  RSA610540  Phalaris aquatica L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 518 Comment
  POM50689  Phalaris lemmonii Le Roy Abrams 1901-04 1459 Los Angeles Inglewood Comment
  UC205649  Phalaris minor S. B. Parish 1918-6-5 11865 Los Angeles Playa del Rey Comment
  RSA467446  Phleum pratense Anonymous s.n. Los Angeles Railroad [no additional locality data provided] Comment
  UCR197734  Phlox gracilis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 52 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
  RSA459284  Pholistoma membranaceum L. E. Hoffman 1932-3-27 s.n. Los Angeles Big Rock Creek. Comment
  RSA151017  Pholistoma racemosum Peter H. Raven 1962-4-10 17216 Los Angeles On E-facing slopes of summit ridge about 2 miles north of Thirst, San Clemente Island. 488 Comment
  RSA3551  Pholistoma racemosum Carl B. Wolf 1932-5-9 3495 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA341426  Pholistoma racemosum F. C. Boutin 1967-4-23 1674 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  RSA591460  Phoradendron macrophyllum Louis C. Wheeler 1966-10-12 8976 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  CAS-BOT-BC141296  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3848 Los Angeles Vicinity of Crystal Lake. San Gabriel Mountains 1700 Comment
  CAS-BOT-BC141311  Phoradendron serotinum subsp. tomentosum Fordyce Grinnell 1915-12-23 s.n. Los Angeles Mt. Wilson Ridge. San Gabriel Mountains Comment
  RSA226110  Phoradendron villosum Robert F. Thorne, C. W. Tilforth 1971-6-17 39912 Los Angeles N slope of San Gabriel Mountains: 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter, near junction of Bee Canyon with Santa Clara River valley. 549 Comment
  RSA82210  Phyla lanceolata I. M. Johnston 1924-8-29 5094 Los Angeles along ditch at Orange Co. line on road from Artesia to Hungtington Beach. Comment
  CAS-BOT-BC452034  Phyllospadix torreyi Arthur L. Cohen 1935-8-8 714 Los Angeles Long Beach 0 Comment
  RSA126651  Pickeringia montana H. J. Thompson 1959-5-24 2016 Los Angeles 1.4 miles east of Peak along road from Saddle Peak to Topanga Canyon. 732 Comment
  UC1971214  Pickeringia montana Louis C. Wheeler 1947-4-13 6465 Los Angeles SAN GABRIEL MOUNTAINS: Millard Canyon Comment
  SEINET7761167  Pinus coulteri Unknown 1965-3-6 s.n. Los Angeles Angeles National Forest Comment
  CAS-BOT-BC78746  Pinus lambertiana Joseph Andorfer Ewan 1936-8-7 9984 Los Angeles Ski Trail above Big Pines, San Gabriel Mts. 2133 Comment
  RSA384362  Pinus monophylla George B. Grant 1903-1 989 Los Angeles Mt. Lowe Comment
  RSA605906  Pinus monophylla L. C. Wheeler 1968-11-10 s.n. Los Angeles San Gabriel Mountains: East fork Alder Creek. 1509 Comment
  CAS-BOT-BC79011  Pinus ponderosa Geo. B. Grant 1900-4-22 s.n. Los Angeles Summit Mt. Wilson 1828 Comment
  CAS-BOT-BC79012  Pinus ponderosa Joseph Andorfer Ewan 1932-5-29 7218 Los Angeles on summit Mount Gleason, San Gabriel Mts. 1889 Comment
  POM293266  Piperia cooperi Lyman Benson 1945-5-11 11680 Los Angeles Indian Hill, Claremont. Pacific Slope Drainage Area. 396 Comment
  SBBG98464  Piptatherum miliaceum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5049 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  UC1587558  Piptatherum miliaceum Tim Ross 1991-9-2 5926 Los Angeles near Mulholland Highway x Yerba Buena Road (along banks of an intermittent stream); Santa Monica Mountains, Triunfo Pass USGS 7.5' Quadrangle 472 Comment
  RSA0034285  Piptatherum miliaceum Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3060 Los Angeles Santa Catalina Island: Lower Bulrush Canyon. 262 Comment
  RSA702832  Pittosporum undulatum Scott D. White 2004-4-23 10237 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA639273  Plagiobothrys arizonicus R. F. Thorne 1973-5-11 43519 Los Angeles San Gabriel Mts.: Dry ridge N of Shoemaker Canyon between Mile High and Valyermo 1341 Comment
  UCR51009  Plagiobothrys arizonicus A. C. Sanders, E. J. Lawlor 1988-4-3 7754 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  SBBG131517  Plagiobothrys canescens S. A. Junak 2000-5-19 SCa 1323 Los Angeles first ridge W of Twin Rocks, above Goat Harbor Beach, at end of rd 289 Comment
  POM13957  Plagiobothrys canescens P. A. Munz 1922-4-15 5143 Los Angeles Claremont. 365 Comment
  RSA251448  Plagiobothrys canescens R. F. Thorne 1966-4-17 36104 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  CATA1876  Plagiobothrys collinus var. gracilis Denise Knapp 2003-3-31 Los Angeles Santa Catalina Island: Airport Burn, below photo station #4 370 Comment
  SD90636  Plagiobothrys collinus var. gracilis Robert F. Thorne 1966-4-17 36103 Los Angeles San Clemente Island 548 Comment
  UC1069085  Plagiobothrys nothofulvus Jerome S. Horton 1939-4-17 530 Los Angeles meadow e San Dimas (on Camp 10 road); Pomona Quad. 518 Comment
  SD237381  Plagiobothrys tenellus R. G. Swinney 2009-6-2 11020 Los Angeles Transverse Range; San Gabriel Mountains: Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy (Chilao Flat 7.5'Q) 1720 Comment
  RSA604054  Planodes virginica L. C. Wheeler 1933-4-27 1669 Los Angeles San Pedro Hills 304 Comment
  UCR142491  Plantago erecta F. R. Fosberg 1931-4-16 S- 4659 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 200 Comment
  RSA595339  Plantago erecta Louis C. Wheeler 1967-5-8 9333 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  SBBG38235  Plantago lanceolata S. A. Junak with M. L. Hoefs, L. Stratton 1998-6-11 SCa 717 Los Angeles E side of Avalon Cyn, above golf course 134 Comment
  RSA584695  Plantago lanceolata Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2984 Los Angeles East slope of THORN (Triangulation Point 5499-ft) west margin of road to Barley Flats (ca 0.5 air-miles E of Barley Flats) draining to Big Tujunga Creek. 1578 Comment
  SDSU1035  Plantago ovata Gerald Collier 1951-4-7 Los Angeles Point Bluff Dume, 1 miles SE of Zuma Beach. Comment
  CAS-BOT-BC91678  Platystemon californicus W. R. Dudley; F. H. Lamb 1896-6-8 4382 Los Angeles Liebre Mountains. Kings Canyon. Comment
  RSA0135525  Platystemon californicus David E. Bramlet 2016-6-2 5306 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  UCD96075  Platystemon californicus R. L. Smith 1948-3-25 s.n. Los Angeles 20 miles west of Lancaster. Comment
  RSA445739  Platystemon californicus var. crinitus G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  RSA576930  Plectritis ciliosa Louis C. Wheeler 1932-3-26 537 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  LA12502  Poa annua Marjorie Bowler; 1937-10-20 62 Los Angeles ditch of Venice Blvd, Mar Vista Comment
  RSA595802  Poa annua Lauren Raz, Steve Boyd 1996-10-23 51 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 609 Comment
  RSA92371  Poa annua F. W. Peirson 1922-7-6 4201 Los Angeles Big Pines Camp 2088 Comment
  RSA188060  Poa secunda R. F. Thorne 1966-4-5 35835 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  UCR181111  Poa secunda R. G. Swinney 1997-4-25 5510 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  CAS-BOT-BC236202  Poa secunda subsp. secunda Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  JEPS86572 Image available Poa secunda subsp. secunda Roy E. Buck 1988-4-10 891 Los Angeles n Castaic (e side of Three Points Rd, 0.3 rd mi n of Three Ponts, ca 0.6 air km ne of confluence of Oakdale and Pratt Canyons drainage) 1036 Comment
  OBI2548  Poa secunda subsp. secunda Larry E. Brown 1970-5-2 1794 Los Angeles San Gabriel Mts. Ca 10 mi S of Joshua Tree State Park Comment
  OBI25688  Poa secunda subsp. secunda David J. Keil, Dirk Walters 1977-4-30 12295 Los Angeles On S side of Calif Rte 138 in vicinity of jctn with Los Angeles co Rd N-2 across hwy from Quail Reservoir Comment
  SBBG131503  Poa secunda subsp. secunda S. A. Junak 2000-4-15 SCa 1205 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from junction with Divide Rd 478 Comment
  CATA1283  Polycarpon tetraphyllum Mark L. Hoefs, Steven A. Junak 1995-7-12 2370 Los Angeles Santa Catalina Island: Outside of Wrigley Garden Herbarium, upper Avalon Canyon 106 Comment
  SBBG112833  Polycarpon tetraphyllum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 764 Los Angeles near buildings at mouth of Cherry Cyn, at Boy Scout Camp 6 Comment
  SD125916  Polycarpon tetraphyllum A. C. Sanders 1988-5-18 7828 Los Angeles El Segundo Dunes, west of Los Angeles International Airport and east of Vista Del Mar Blvd. Comment
  UCR136839  Polycarpon tetraphyllum John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR50851  Polycarpon tetraphyllum A. C. Sanders 1988-5-18 7828 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA0116481  Polygonum aviculare R. G. Swinney 2010-9-30 13945 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA611071  Polygonum aviculare subsp. depressum Louis C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: 17th Street at Gaffey Street. Comment
  UCR205253  Polygonum lapathifolium R. G. Swinney 2008-3-26 8571 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  POM246614  Polypodium californicum F. R. Fosberg 1931-3-24 R 80 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  UC371188  Polypodium californicum unknown Jun 1902 Los Angeles S Cal, Sierra Madre Mts. Comment
  UCR198389  Polypodium californicum Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 666 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 549 Comment
  UCSB62412  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill Comment
  POM908B  Polypodium californicum M. Harbour 1909-1 s.n. Los Angeles Covina Comment
  UCSB62285  Polypodium californicum Kiefer, Lawrence 1967-3-26 Los Angeles San Gabriel Mtns., NE of Sunland, Delta Canyon, tributary of Big Tujunga Canyon, ca. 0.75mi up from confluence 701 Comment
  UCSB62342  Polypodium californicum Kiefer, Lawrence 1967-4-15 Los Angeles San Gabriel Mtns., N of Monrovia, Monrovia Canyon, ca. 1/2mi above Emerson Flats 457 Comment
  SEINET3259909 Image available Polypogon interruptus R. G. Swinney 2005-8-5 8386 Los Angeles San Gabriel Mtns; Big Rock Creek at Paradise Springs. 1439 Comment
  LA82502  Polypogon interruptus O. H. Kappler; 1943-5-9 407 Los Angeles 6 Comment
  SEINET3282794 Image available Polypogon monspeliensis R. G. Swinney 2008-7-12 9168 Los Angeles San Gabriel Mtns.; San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon. 573 Comment
  SEINET3860413  Polypogon monspeliensis R. G. Swinney 2009-4-17 10392 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa, San Gabriel Canyon wash, 0.1-0.5 mil. west of San Gabriel River Bike path parking lost, at Azusa Canyon Rd. ca 0.6 mi. north of Sierra Madre Ave.; 0 213 Comment
  UC1109376  Polypogon monspeliensis Peter H. Raven 1962-4-9 17127 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 60 Comment
  UC520034  Polypogon monspeliensis Joseph Andorfer Ewan 1932-6-28 7506 Los Angeles Los Angeles River at Hyperion Bridge; Los Angeles River Comment
  SEINET11681495  Polypogon monspeliensis J. F. Bright, Wyman, C. 1931-1 5743 Los Angeles Hollywood Comment
  UCR256863  Polypogon semiverticillatus R. G. Swinney 2010-8-16 13540 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CATA312  Polypogon viridis Mark L. Hoefs 1973-6-5 337 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon, in stream bed by main road at bridge 22 Comment
  RSA385493  Polypogon viridis F. R. Fosberg 1930-10-18 S- 4117 Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] 40 Comment
  RSA647901  Polypogon viridis LeRoy Gross, Wayne Law 2000-8-8 250 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
  SD112414  Polystichum imbricans subsp. curtum Darley F. Howe 1915-3-1 17 Los Angeles San Gabriel Mountains, San Dimas Canyon Comment
  UCR273426  Polystichum imbricans subsp. curtum R. G. Swinney 2011-7-7 15467 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  RSA585437  Polystichum imbricans subsp. imbricans T. S. Ross, Steve Boyd 1990-5-31 2731 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA693291  Polystichum imbricans subsp. imbricans L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  RSA802444  Polystichum scopulinum Orlando Mistretta, Cher Batchelor 2011-7-27 6000 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  UCR217311  Populus balsamifera subsp. trichocarpa R. G. Swinney 2009-2-20 10020 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  LA212147  Populus fremontii Elwood Fordham; 1951-4-20 s.n. Los Angeles Chatsworth Hills, near lake. Comment
  RSA747185  Potentilla glandulosa R. G. Swinney 2008-6-9 9010 Los Angeles middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  UCR210084  Potentilla glandulosa R. G. Swinney 2008-7-24 9340 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CATA232  Poterium sanguisorba Mark L. Hoefs, A. Douglas Propst 1973-5-4 225 Los Angeles Santa Catalina Island: Above Thompson Dam on road to Bulrush 243 Comment
  LA200820  Prunus ilicifolia subsp. ilicifolia Jonathan Sauer; 1971-4-9 4854 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA276019  Prunus ilicifolia subsp. ilicifolia Jack Delaini 1974-4-25 133 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 518 Comment
  SBBG121258  Prunus ilicifolia subsp. ilicifolia V. Soza, S. Deo, S. Dreher 2000-4-27 823 Los Angeles Stough Cyn, Stough Park, above parking lot SW of intersection of Walnut Ave and Lockheed View Drive, W of De Bell Municipal Golf Course 365 Comment
  UC586944  Prunus virginiana var. demissa Joseph Andorfer Ewan 1934-8-5 8449 Los Angeles 1/2 mi above Ranger Station (Prairie Fork); San Gabriel Mountains, Prairie Fork 1828 Comment
  CAS-BOT-BC356562  Pseudognaphalium biolettii Reid Moran 1941-2-19 595 Los Angeles Middle Ranch, San Clemente Island Comment
  RSA598259  Pseudognaphalium biolettii R. G. Swinney 1968-3-18 219 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Comment
  CAS-BOT-BC356545  Pseudognaphalium biolettii E. R. Blakley 1962-6-10 5226 Los Angeles California Channel Islands. Wilson Cove. San Clemente Island 30 Comment
  RSA158278  Pseudognaphalium biolettii Peter H. Raven 1962-4-12 17347 Los Angeles Wilson Cove, San Clemente Island. 107 Comment
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Dec 22 2010
  RSA323745  Pseudognaphalium biolettii F. H. Elmore 407 Los Angeles San Clemente Island Comment
  RSA605597  Pseudognaphalium biolettii F. C. Boutin 1967-4-23 1699 Los Angeles San Clemente Island: W side of Island, along coast NW of Eel Point Comment
  RSA660881  Pseudognaphalium biolettii Orlando Mistretta 1992-4-5 144 Los Angeles Guds, San Clemente Island. Comment
  UCR65249  Pseudognaphalium californicum F. R. Fosberg 1931-4-2 S- 4449 Los Angeles Channel Islands, Santa Catalina Island, Camp Frost 380 Comment
  SFV18420  Pseudognaphalium californicum C. Ferguson 1974-6-7 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Ecology trail. Open places below 3000 ft. Comment
  CATA1807  Pseudognaphalium microcephalum Benjamin E. Carter 2012-8-23 6991 Los Angeles Santa Catalina Island: Airport Road, about 1/2 mile north of Middle Ranch Road 395 Comment
  SD237325  Pseudognaphalium stramineum A. C. Sanders, Dan S. Cooper 2010-8-5 38579 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. Former oil field w/gravel service road remnants. 24 Comment
  UC1402299  Pseudotsuga macrocarpa J. S. Horton 1938-9-21 8384 A Los Angeles Glendora Comment
  RSA607619  Pteridium aquilinum var. pubescens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  UC812694  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles right fork Cottonwood Canyon; Santa Catalina Isl 200 Comment
  POM312740  Pteridium aquilinum var. pubescens D. Taylor 1952-05 s.n. Los Angeles Little Dalton Canyon. 396 Comment
  RSA690868  Pteridium aquilinum var. pubescens Albert J. Perkins 1918-1-19 s.n. Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  SD144151  Pteris vittata Scott D. White, Pam DeVries 1997-11-25 6028 Los Angeles San Gabriel River Canyon: north of Azusa; parallel to Highway 39, along unnamed dirt access road to gauging station, below Morris Dam. 249 Comment
  CAS-BOT-BC421209  Pterostegia drymarioides Steven A. Junak 1997-3-7 SCI- 736 Los Angeles California Islands. San Clemente Island: E side of island, just E of Camera Pad Horton 3, on W side of Twin Dams Canyon 411 Comment
  RSA585418  Purshia tridentata var. glandulosa Tim S. Ross, Steve D. Boyd 1990-5-29 2683 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  UCR3685  Pycnanthemum californicum Frank C. Vasek 1963-8-16 630816- 04 Los Angeles San Gabriel Mtns, end of Coldwater Canyon, at spring 1220 Comment
  UCSB51536  Pyrrocoma racemosa var. sessiliflora Hodgson, John 1928-10-9 Los Angeles Peace Valley Meadow; Santa Barbara Forest 1066 Comment
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Apr 1 2015
  LA32179  Quercus berberidifolia Henry J. Thompson; 1957-3-3 1889 Los Angeles 731 Comment
  RSA0041590  Quercus berberidifolia Orlando Mistretta, Cher Batchelor 2011-7-27 5988 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  RSA507981  Quercus berberidifolia Steve Boyd, T. S. Ross 1988-4-28 2236 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCSB69280  Quercus berberidifolia Gross, LeRoy 2000-11-12 Los Angeles Verdugo Mtns.: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 411 Comment
  CAS-BOT-BC62535  Quercus chrysolepis W. R. Dudley; F. H. Lamb 1896-6-9 4430 Los Angeles near Firs in canon with firs, Kings Canyon, Liebre Mountains Comment
  CAS-BOT-BC62575  Quercus chrysolepis F. Grimmell 1903-12-30 90 Los Angeles Mount Wilson Trail, near Pasadena Comment
  HSC8313  Quercus chrysolepis C. E. Fellows 1965-9-7 156 Los Angeles 17 mi up rd. from Charlton Flats info station N side of Angeles Crest Hwy. Comment
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Oct 3 2014
  LA30436  Quercus chrysolepis Marcus E. Jones; 1931-10-10 q 28586 Los Angeles San Gabriel Mountains, San Antonio Canyon Comment
  RSA188338  Quercus chrysolepis Robert F. Thorne, M. Z. Thorne 1966-5-31 36430 Los Angeles Santa Catalina Island. Ridge running from S end of Mt Orizaba, S side of S fork of Fern Canyon 488 Comment
  RSA476879  Quercus chrysolepis Blanche Trask 1900-04 d.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA476913  Quercus chrysolepis Geo. L. Moxley 1916-6-16 500 Los Angeles Santa Susana Mountains. Comment
  UC173875  Quercus chrysolepis Geo. B. Grant 1904-6-14 1085 Los Angeles Mt. Wilson Comment
  UC1746091  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 976 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  UCD45588  Quercus chrysolepis D. H. Wilken 1996-6-2 15218 Los Angeles San Clemente Island. E side of Horse Cyn, 2.5 km sse of Boulder, 4.5 km ne of Lost Pt, 470m elev. 470 Comment
  UCR223546  Quercus chrysolepis R. G. Swinney 2009-6-2 11007 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CATA1759  Quercus douglasii E. R. Blakley 1962-10-5 5465 Los Angeles Santa Catalina Island: Middle Ranch Canyon between mouth of Cape Canyon and its head 228 Comment
  SJSU633  Quercus dumosa F. R. Fosberg 1932-3-22 S 5433 Los Angeles near Wrigley Reservoir, Gallagher's Canyon (left Fork), Santa Catalina Island 396 Comment
  RSA754110  Quercus durata var. gabrielensis Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1856 Los Angeles San Gabriel River Watershed; Webb Canyon Road (GPS represents the northern most point for a population that extends 1/4 m south) 436 Comment
  UC1870275  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, E off La Tuna Canyon Road, Sun Valley. 396 Comment
  SD69368  Quercus engelmannii Robert F. Thorne, P. Everett 1965-5-12 34611 Los Angeles Sanat Catalina Island, Bulrush Canyon 244 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
  CAS-BOT-BC105255  Quercus kelloggii Fay A. Mac Fadden 1936-9-6 14745 Los Angeles Lake Arrowhead Comment
  SEINET6087045  Quercus kelloggii I. M. Johnston 1917-7-15 1450 Los Angeles Head of South Fork, Lytle Creek. Comment
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Oct 28 2015
  SD75502  Quercus pacifica Reid Moran 1941-3-14 708 Los Angeles Santa Catalina Island, Middle Ranch, near creek 199 Comment
  SBBG43939  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC557784  Quercus tomentella Nell Murbarger Apr 1936 122 Los Angeles e side San Clemente Island Comment
  UC624994  Quercus tomentella F. R. Fosberg 1931-12-11 7155 Los Angeles Gallagher's Canyon, right fork Santa Catalina Island 40 Comment
  RSA746844  Rafinesquia californica R. G. Swinney 2008-5-5 8780 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA399391  Ranunculus californicus Anstruther Davidson 1890-03 s.n. Los Angeles Los Angeles - Foothills. Comment
  SBBG18364  Ranunculus cymbalaria M. A. Piehl 1963-8-8 63829 Los Angeles NW of Big Pine Rec Area Comment
  RSA592437  Raphanus raphanistrum L. C. Wheeler 1967-5-13 9503 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  SDSU1249  Raphanus sativus Gerald Collier 1951-4-7 M 194 Los Angeles About 2 miles west of U.S Hwy 101. 100 yards from road. Comment
  POM2703  Rhamnus californica Arvis Smith 1899-5-12 s.n. Los Angeles Claremont. 366 Comment
  CHSC95548  Rhamnus crocea LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 501 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. On northwest facing slope in small canyon above (east) of Village Christian School in Sun Valley. 366 Comment
  LA207796  Rhamnus crocea A. M. Johnson; 1932-4-23 4040 Los Angeles Claremont Comment
  LA91500  Rhamnus ilicifolia Bruce Douglas Clayton; Greg Shaw 1972-4-20 100 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, along trail on SW-slope of BDC peak. 563 Comment
  SBBG27507  Rhamnus ilicifolia C. B. Wolf 1928-5-11 Los Angeles just above the place where the Los Angeles Aqueduct crosses the hwy Comment
  UC1121902  Rhamnus ilicifolia F. H. Raymond 1930-1-9 22 Los Angeles Trancas Canyon Triunfo Pass 274 Comment
  UC18550  Rhamnus ilicifolia J. Burtt Davy May 9 1896-May 24 1896 2604 Los Angeles near Eell's; Antelope Valley, Leonis Valley Comment
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Aug 5 2014
  CAS-BOT-BC59776  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3531 Los Angeles Santa Catalina Island. 100 yds. se. of summit of the Equestrian Trail, back of Avalon. 304 Comment
  RSA390866  Rhamnus pirifolia F. R. Fosberg 1931-7-16 S 5605 Los Angeles Gallagher's Canyon, right fork; Santa Catalina Island. 50 Comment
  SBBG30983  Rhamnus pirifolia R. N. Philbrick 1964-6-12 B 64 -1 Los Angeles Black Pt, Lorenzo Beach area Comment
  POM305750  Rhamnus tomentella subsp. cuspidata Henry J. Ramsey, Henry J. Ramsey 1937-6-27 943 Los Angeles Pine Canyon, north of Pacoima Reservoir, Angeles National Forest. Comment
  SFV21981  Rhus aromatica V. Soza, L. Gross, R. Kopelov 2000-3-30 655 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Northeastern side of La Tuna Canyon, north of 210 Freeway and La Tuna Canyon Road. South-southwest of Haines Canyon Ave. and Elmhurst Drive junction, Haines Canyon Park. West-facing slope of canyon sides in area cleared and open above near housing. 579 Comment
  CAS-BOT-BC170468  Rhus integrifolia G. P. Rixford 1914-5-1 s.n. Los Angeles Avalon, Catalina Island Comment
  SBBG64583  Rhus integrifolia T. Ross 1991-9-2 5938 Los Angeles near Mulholland Hwy and Yerba Buena Rd [putative hybrid w/ R. ovata] 541 Comment
  RSA0083301  Rhus ovata R. G. Swinney 2010-5-25 12961 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  SBBG71090  Rhus ovata F. R. Fosberg 1932-5-7 8152 Los Angeles Grand Cyn upper falls 150 Comment
  POM50745  Rhus trilobata var. quinata A. D. E. Elmer 1902-06 3680 Los Angeles Acton, Mt. Gleason Comment
  RSA600587  Rhus trilobata var. quinata Steve Boyd, Lauren Raz 1997-4-30 9593 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  SFV1598  Ribes amarum R. L. Armacost 1964-3-21 1730 Los Angeles San Gabriel Mountains San Antonio Canyon, 1 mile above dam. 760 Comment
  CAS-BOT-BC92436  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash. 106 Comment
  LA50705  Ribes aureum var. gracillimum Carl Epling; March 1925 6522 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA0105159  Ribes aureum var. gracillimum R. G. Swinney 2011-3-15 14097 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park. 232 Comment
  RSA656315  Ribes aureum var. gracillimum Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 654 b Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 579 Comment
  POM378  Ribes californicum var. hesperium J. H. Barber 1897-1-17 19 Los Angeles Sullivans Canyon Comment
  UC11623  Ribes californicum var. hesperium W. H. Brewer Jan. 1861 133 Los Angeles near Camp 6; San Gabriel Comment
  RSA651628  Ribes cereum Shlomo Gat 1959-03 15 Los Angeles Mount Baldy. Comment
  UCR146202  Ribes cereum var. cereum Scott D. White 2004-8-11 10710 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  CAS-BOT-BC173101  Ribes indecorum Louis C. Wheeler 1932-1-31 440 Los Angeles San Gabriel Mts. 1 mi. E Palmer Canyon 609 Comment
  RSA522326  Ribes indecorum Steve Boyd 1990-2-3 3820 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. Comment
  UC519968 Image available Ribes indecorum Louis Wheeler 1933-3-4 1510 Los Angeles Claremont 388 Comment
  UCR147699  Ribes malvaceum Valerie Soza, Wayne Law, Laura A. Moore 2000-6-27 1035 Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  HSC84134  Ribes malvaceum var. viridifolium David Charlton 1987-1-31 637 Los Angeles Saddle Peak 610 Comment
  RSA127960  Ribes malvaceum var. viridifolium Peter H. Raven 1959-3-1 13823 Los Angeles Griffith Park, Mt Hollywood Drive, 0.8 miles south of Vista Del Valle Drive. 396 Comment
  RSA133745  Ribes malvaceum var. viridifolium Peter H. Raven 1959-2-15 13781 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  RSA441463  Ribes malvaceum var. viridifolium Edwin Kline 1925-2-1 s.n. Los Angeles Mount Hollywood Comment
  RSA653924  Ribes malvaceum var. viridifolium Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1035 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 823 Comment
  RSA0044685  Ribes malvaceum var. viridifolium Richard C. Barkelew 1929-4-7 15842 Los Angeles Near Los Angeles; Mulholland Highlands Comment
  RSA476205  Ribes nevadense Robert Gustafson 1983-7-18 2787 Los Angeles San Gabriel Mts, Angeles Crest Hwy, 2 miles below Dawson Saddle. 2317 Comment
  RSA702309  Ribes nevadense Steve Boyd, Amber Maurice 2004-5-18 11306 Los Angeles Atmore Meadows area. Comment
  RSA756751  Ribes nevadense R. G. Swinney 2008-6-18 9076 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  LA50702  Ribes speciosum Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles Santa Monica Mountains, Cahuenga Hills, above Hollywood Lake Comment
  RSA476283  Ribes speciosum D. A. Young 1969-5-25 p 477 Los Angeles Across the street from the Alpha Beta on Diamond Bar Blvd.. in Diamond Bar. 274 Comment
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Aug 20 2014
  RSA508658  Ribes speciosum Mark Parratt 1963-4-15 517 Los Angeles Diamond Bar Ranch area. Comment
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Aug 20 2014
  CDA4893  Ricinus communis G. D. Barbe 1978-3-28 2362 Los Angeles Road to Chantry Flats above Sierra Madre, Santa Anita Canyon. Comment
  RSA536040  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  CHSC26121  Robinia pseudoacacia Lawrence Pinter 1965-5-4 271 Los Angeles Little Rock Canyon, San Gabriel Mtns. 975 Comment
  CSUSB1350  Robinia pseudoacacia Art Whistler 1965-3-27 Los Angeles Along Mullholland Highway about 1 mile north of its intersection with stunt road, in Calabasas. 365 Comment
  UCR146477  Romneya coulteri Scott D. White, Michael Honer 2004-6-24 10494 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  RSA449700  Rosa californica Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA451663  Rosa woodsii subsp. gratissima Unspecified s.n. Los Angeles On the trail to Flumes 4 and 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  UCR272557  Rubus armeniacus R. G. Swinney 2011-10-27 15898 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  CAS-BOT-BC148393  Rubus leucodermis Le Roy Abrams; E. A. McGregor 1908-7-3 617 Los Angeles North Baldy Mountain, San Gabriel Mountains 2133 Comment
  POM296507  Rubus ursinus Lyman D. Benson 1945-3-25 11612 Los Angeles Big Dalton Canyon, Glendora 351 Comment
  POM366432  Rubus ursinus Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  RSA572088  Rubus ursinus Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UC1211105  Rubus ursinus Huron H. Smith 1912-6-1 5068 Los Angeles Avalon Canyon Santa Catalina Isl., Avalon Canyon 38 Comment
  UC861858  Rubus ursinus E. Lloyd 1933-4-8 Los Angeles Temescal Canyon Santa Monica Mts., Temescal Canyon Comment
  RSA0080769  Rumex R. G. Swinney 2010-6-29 13390 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  UCR210542  Rumex R. G. Swinney 2008-12-4 9938 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA65366  Rumex acetosella F. W. Peirson 1919-5-18 1809 Los Angeles South slope of San Gabriel Mountains. Monrovia Canyon. 427 Comment
  SBBG31075  Rumex conglomeratus R. F. Thorne with D. Propst 1968-5-27 37633 Los Angeles Middle Ranch Cyn Comment
  SD69670  Rumex crispus Robert F. Thorne, P. Everett 1965-6-23 34956 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon, stream bed 91 Comment
  RSA466093  Rumex hymenosepalus Donald Myrick 1969-4-21 2072 Los Angeles Growing in Antelope Valley near High Vista. 915 Comment
  RSA65462  Rumex maritimus F. W. Peirson 1921-6-19 2449 Los Angeles Crystal Lake, North Fork San Gabriel River 1677 Comment
  RSA0055955  Rumex salicifolius Richard G. Swinney 2010-4-20 12286 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UC465479  Salicornia subterminalis unknown 1920-1-21 4610 Los Angeles Isthmus Santa Catalina Island Comment
  RSA785590  Salicornia virginica Doris Hoover Bowers 1970-4-6 1510 Los Angeles Harbor Park, S. end of Bixby Slough 30 Comment
  SBBG57960  Salix exigua var. hindsiana R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA618684  Salix gooddingii LeRoy Gross 1998-10-16 82 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  SEINET13387018 Image available Salix gooddingii R. G. Swinney 2011-1 14070 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wison 7.5' Q.) (T1N R11W S15) 232 Comment
  RSA0030815  Salix laevigata var. araquipa Carl W. Sharsmith 1932-1-17 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  UC492429  Salix lasiandra subsp. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles ca. 11 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  SBBG57870  Salix lasiolepis C. W. Sharsmith 1931-11-15 4 Los Angeles coastal headland near mouth of Topanga Cyn 15 Comment
  UC506444  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-4-30 7696 Los Angeles s. of Culver City (above Ballona Creek) Comment
  UCSB965  Salix lasiolepis Beach, Kay 1943-4-28 Los Angeles Falls on 4100 north trail; San Dimas Exp. Forest Comment
  RSA0077380  Salix lucida subsp. lasiandra Orlando Mistretta 1992-7-14 s.n. Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Mouth of canyon. Comment
  CATA2067  Salsola australis Steven A. Junak, Keri Kirkland, Margie Bushman 1998-10-21 817 Los Angeles Santa Catalina Island: Along road to White's Landing, 1.6 road miles inland from beach 152 Comment
  CDA20305  Salsola australis M. O'Brien 2004-11-1 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 0 Comment
  UCR95241  Salsola gobicola L. C. Wheeler 1946-8-28 6279 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  LA31627  Salsola tragus Peter H. Raven; Henry J. Thompson 1959-6-4 14335 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA444922  Salsola tragus G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  UCR138716  Saltugilia australis L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., N of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  RSA529213  Saltugilia splendens subsp. grantii T. S. Ross, S. D. Boyd 1991-7-24 5601 Los Angeles Ridge NNE of Granite Mountain. 1926 Comment
  RSA0047395  Saltugilia splendens subsp. splendens Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon 543 Comment
  RSA563502  Saltugilia splendens subsp. splendens T. S. Ross, Walter Appleby 1993-5-13 7135 Los Angeles Western San Gabriel Mts: Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll. 817 Comment
  RSA442846  Salvia apiana William Emboden 1969-5-28 36 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SFV3204  Salvia carduacea M. L. Vincent 1962-5-7 241 Los Angeles Mojave Desert Llano at junction of road to Mile High. Roadside on Highway 138. 965 Comment
  LA200613  Salvia columbariae Carl Epling; 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA187972  Salvia columbariae Robert F. Thorne 1966-4-7 35945 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  RSA725086  Salvia columbariae Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -7 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG71149  Salvia columbariae M. N. Ackley -Mar-1926 455 Los Angeles Eagle Rock 213 Comment
  UCR273211  Salvia columbariae R. G. Swinney 2011-5-6 14601 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  RSA0039312  Salvia columbariae R. Munkittrick 1948-4-23 s.n. Los Angeles Southwest of campus of Cal Poly below Dallas Huts. 213 Comment
  UC76197  Salvia columbariae Miss E. D. Palmer Nov 1904 Los Angeles vicinity Los Angeles Comment
  RSA658842  Salvia columbariae var. columbariae J. S. Burns 1992-5-11 11 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  UCSB32449  Salvia dorrii var. dorrii Alpert, Donald 1962-4-14 Los Angeles Little Rock Dam 1127 Comment
  SBBG50950  Salvia dorrii var. pilosa J. Doty 1969-4-19 628 Los Angeles Godde Pass Rd, 0.9 mi S of its jct with Avenue N 883 Comment
  POM177960  Salvia leucophylla Joseph A. Ewan 1931-5-16 4206 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 305 Comment
  CAS-BOT-BC229929  Salvia mellifera Peter H. Raven 1959-5-3 14096 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mulholland Drive at Laurel Pass 350 Comment
  SBBG112964  Salvia mellifera S. A. Junak 1998-6-13 SCa 746 Los Angeles W side of Avalon Cyn drainage, along N rim of Quail Cyn, just W of Los Angeles County Fire Station 79 Comment
  SEINET3101624 Image available Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  SBBG71121  Salvia spathacea M. N. Ackley 1927-5-29 454 Los Angeles Mulholland Drive 457 Comment
  PASA281  Sambucus cerulea J. E. Giguette May, 26 Los Angeles Flintridge Comment
  RSA517139  Sambucus mexicana T. S. Ross 1990-5-14 2489 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1140 Comment
  RSA657358  Sambucus mexicana L. Yamanaka 1979-6-5 106 Los Angeles 150 meters west of Glendale College Cafeteria located on corner of Verdugo Blvd. and Mountain Ave. Comment
  UC1125369  Sambucus mexicana R. St. John 1930-2-15 96 Los Angeles Pico Canyon Santa Susana Quadrangle 533 Comment
  CATA1458  Sanicula arguta Mark L. Hoefs, Robert F. Thorne 1996-4-6 2642 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  SBBG13250  Sanicula arguta M. A. Piehl 1962-6-10 63299 Los Angeles E of Thirst 304 Comment
  RSA470984  Sanicula arguta Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UCSB7352  Sanicula arguta Haller, Norman 1953-3-5 Los Angeles Faculty Hill, UCLA; 110 yds. up the trail to the "C" Comment
  POM3422  Sanicula bipinnata L. R. Abrams 1901-4-3 1301 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA653863  Sanicula crassicaulis Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 884 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  CATA885  Sanicula crassicaulis Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1698 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA763506  Sanicula crassicaulis Orlando Mistretta, Christine Mistretta 2008-5-6 2667 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  UCR272963  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
  UCR177796  Sarcostemma cynanchoides subsp. hartwegii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 394 Los Angeles Vedugo Mountains, Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UC625067  Satureja douglasii F. R. Fosberg 1931-4-28 S 4702 Los Angeles Eagle's Nest Santa Catalina Id., Middle Ranch Canyon (creek bed) 180 Comment
  UC570722  Satureja mimuloides Dr. R. J. Dobbs 1924-7-8 5394 Los Angeles trail to Switzers Camp; San Gabriel Mts. Comment
  POM186326  Schinus molle L. C. Wheeler 1932-7-9 948 Los Angeles 1 mile SW San Dimas. 244 Comment
  RSA202930  Schinus molle L. C. Wheeler 1932-7-9 948 Los Angeles 1 mile SW San Dimas. Comment
  RSA188695  Schismus arabicus R. F. Thorne 1966-6-2 36525 Los Angeles Santa Catalina Island: Ridge top between Moonstone and White Coves 30 Comment
  RSA590614  Schismus arabicus Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2913 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  CDA31247  Schismus barbatus M. O'Brien 2010-5-16 s.n. Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  RSA0084867  Schismus barbatus R. G. Swinney 2010-6-21 13271 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA592778  Schismus barbatus Steve Boyd, Mike Wall 1996-4-4 8535 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
  UCR259755  Schismus barbatus R. G. Swinney 2010-5-11 12628 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
  CAS-BOT-BC111237  Schoenoplectus californicus 1901-4-1 s.n. Los Angeles Ballona River Comment
  CAS-BOT-BC111238  Schoenoplectus californicus George B. Grant 1902-6-20 915 Los Angeles Margin of pond, Redondo Comment
  RSA366070  Schoenoplectus maritimus Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  UC1125710  Scrophularia californica Jerome S. Horton 1937-6-10 455 Los Angeles Tanbark; Pomona Quadrangle Comment
  CAS-BOT-BC238493  Scrophularia villosa Reid Moran 1941-2-27 645 Los Angeles Johnson Valley, Catalina Island Comment
  NY42989  Scrophularia villosa J. B. Walker 1995-4-8 1326 Los Angeles Santa Catalina Island, 2km S of Howland's Landing 100 Comment
  UCR281604  Scutellaria mexicana R. G. Swinney 2014-4-18 16140 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  LA94000  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1687 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  RSA0105155  Selaginella bigelovii R. G. Swinney 2011-10-27 15903 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA683769  Selaginella bigelovii Francis H. Elmore 1939-2-18 398 Los Angeles San Clemente Island. Comment
  SBBG20515  Selaginella bigelovii E. R. Blakley 1963-12-7 6321 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  RSA0048450  Selaginella bigelovii Robin J. Tausch 1963-3-1 s.n. Los Angeles Sand Canyon, 3 mi. south intersection with Placerita Canyon Road, Newhall. Angeles National Forest. 701 Comment
  UCSC001217  Selaginella bigelovii Peter Kamb 1948-1-10 744 Los Angeles San Gabriel Mts, Millards Canyon 671 Comment
  CAS-BOT-BC327397  Senecio astephanus unspecified 1900-4-12 s.n. Los Angeles Mt. Lowe, Castle Canyon Comment
  JEPS19501  Senecio flaccidus var. douglasii Peter H. Raven 1957-11-30 11408 Los Angeles 4.0 mi e Topanga Canyon (along Mulholland Drive); Santa Monica Mountains Comment
  RSA444576  Senecio flaccidus var. douglasii B. Roy 1987-10-9 10- 9 -87/4 Los Angeles 2 miles S of Mt. Baldy Village, opposite turnout N. of the northernmost tunnel. 1037 Comment
  RSA642690  Senecio flaccidus var. douglasii Orlando Mistretta 1992-7-14 708 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR259612  Senecio flaccidus var. douglasii R. G. Swinney 2010-9-7 13677 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  JEPS30356  Senecio lyonii Peter H. Raven 1962-5-21 17817 Los Angeles Middle Ranch Santa Catalina Island, Middle Ranch 213 Comment
  RSA3610  Senecio lyonii C. B. Wolf 1932-5-14 3630 Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  SBBG80286  Senecio lyonii F. C. Boutin 1967-4-24 1714 Los Angeles Wilson's (Wilson) Cove Comment
  SD52848  Senecio lyonii Peter H. Raven 1962-4-10 17188 Los Angeles San Clemente Island, hillside above Wilson Cove 105 Comment
  SD90290  Senecio lyonii Robert F. Thorne 1970-3-6 39388 Los Angeles Santa Catalina Island, above Cotton Canyon beach 7 Comment
  UCR61054  Senecio mikanioides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  JEPS26476  Senecio vulgaris Peter H. Raven 1960-4-2 14870 Los Angeles Zuma Beach Santa Monica Mountains, Point Dume 22 Comment
  RSA4780  Senecio vulgaris James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  RSA94845  Senecio vulgaris F. W. Peirson 1918-10-21 290 Los Angeles Ovid's Camp, west fork of San Gabriel River. Comment
  SEINET10526757  Setaria parviflora David B. Dunn 1947-7-20 Dunn 2988 Los Angeles Collected at 316 North Avenue 50. Comment
  SD43603  Silene californica Darley F. Howe 1948-5-5 Los Angeles Bouquet Canyon. 609 Comment
  RSA477845  Silene californica W. Hutchinson 1920-04 3382 Los Angeles Pico Canyon. Comment
  CATA1557  Silene gallica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2824 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  UCR49790  Silene gallica R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA477923  Silene laciniata subsp. major R. J. Tinkler 1969-7-4 s.n. Los Angeles Lopez Canyon Road, San Fernando. Comment
  RSA628713  Silene lemmonii R. S. Woglum 1942-5-20 3329 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  RSA0089420  Silene parishii R. G. Swinney 2011-7-21 15529 Los Angeles Strawberry Peak summit 1860 Comment
  UCR192869  Silene verecunda R. G. Swinney 1998-7-6 6281 Los Angeles San Gabriel Mtns., Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rd. 1732 Comment
  UCR209472  Silene verecunda R. G. Swinney 2008-7-3 9151 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA152106  Silene verecunda subsp. platyota Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson saddle 2438 Comment
  SEINET13203254 Image available Silybum marianum R. G. Swinney 2011-1 14509 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
  SBBG31096  Sinapis arvensis R. F. Thorne 1966-6-1 36466 Los Angeles Pebbly Beach terminal 6 Comment
  RSA724766  Sisymbrium altissimum K. Dobry 1991-4-22 d- 392 Los Angeles West San Gabriel Mts. at Elsmere Cyn Comment
  UCR124754  Sisymbrium altissimum B. C. Templeton 1932-6-17 4912 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA230742  Sisymbrium altissimum R. F. Thorne, M. Z. Thorne 1969-7-9 38563 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines 2088 Comment
  UCR260353  Sisymbrium irio R. G. Swinney 2010-5-4 12546 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA755965  Sisymbrium orientale Orlando Mistretta, Christine Mistretta 2008-4-4 2314 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  UCD115669  Sisymbrium orientale Kenneth A. Wilson 1961-3-12 999 Los Angeles Zuma Beach. Comment
  IRVC9047  Sisyrinchium bellum P. W. Rundel 1965-2-6 1510 Los Angeles Palmer Canyon; just north of Padua Hills, west slope. San Gabriel Mountains 610 Comment
  LA24003  Sisyrinchium bellum Louis Wheeler; 1932-3-23 517 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. Comment
  UCR277007  Sisyrinchium idahoense R. G. Swinney 2010-9-30 13907 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
  SBBG19213  Solanum americanum C. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  RSA522954  Solanum americanum Tim S. Ross, Orlando Mistretta 1990-10-26 3317 Los Angeles San Gabriel Mountains: Horse Canyon drainage. 659 Comment
  CATA85  Solanum douglasii Mark L. Hoefs 1973-3-13 65 Los Angeles Santa Catalina Island: Upper Avalon Canyon, east of cactus area, west exposure 121 Comment
  CHSC34430  Solanum douglasii Ken Cole 1972-5-28 ML- 12 Los Angeles North of Malibu and Hwy. 1 in Malibu Cyn. in Santa Monica Mtns. 152 Comment
  RSA691045  Solanum douglasii Scott D. White 2003-10-22 9840 Los Angeles Foothills above Sierra Madre. L.A. Dept of Public Works 'Sierra Madre' Debris Basin. Northern terminus of Sumac St. (Mt. Wilson) 366 Comment
  UC440370  Solanum douglasii Carl Epling 1930-3-8 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon Comment
  UCR276733  Solanum douglasii R. G. Swinney 2010-8-11 13512 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA576127  Solanum douglasii F. H. Elmore 420 Los Angeles San Clemente Island. Comment
Read comments
May 16 2008
  SDSU11167  Solanum douglasii Gerald Collier 1951-3-22 M 455 Los Angeles Faculty Hill; 1/4 mile west of UCLA Campus, dense, shady hillside. Comment
  SEINET7262455 Image available Solanum douglasii F. R. Fosberg 1931-3-20 S 4312 Los Angeles Santa Catalina Island; Hamilton Canyon Comment
  UCR220174  Solanum nigrum R. G. Swinney 2009-4-13 10313 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  IRVC28604  Solanum sarrachoides A. C. Sanders, Mark Elvin 2002-6-20 25217 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  SEINET10818883 Image available Solanum tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3778 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  CAS-BOT-BC83634  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  JEPS12157  Solanum umbelliferum I. W. Clokey 1931-3-11 5348 Los Angeles San Gabriel Canyon 900 Comment
  RSA427418  Solanum umbelliferum L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  UCR223767  Solanum umbelliferum R. G. Swinney 2009-6-17 11186 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  POM4252  Solanum umbelliferum Philip A. Munz 1918-4-16 2062 Los Angeles Claremont. 366 Comment
  CHSC110027  Solanum wallacei Mark Elvin; Sarah Crockett 1977-3-17 377 Los Angeles Channel Islands; Santa Catalina Island: Alone Cape Canyon Road. On E side at cliff. Where creek comes up to Road. Comment
  RSA233642  Solanum wallacei Robert F. Thorne 1970-3-5 39358 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  UCR143535  Solanum xanti var. intermedium E. C. Twisselmann 1964-6-10 9619 Los Angeles Transverse Ranges, San Emigdio Range and Mt. Pinos Region; fork at head of Castaic Valley 1311 Comment
  UCR142066  Solidago californica A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26271 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  RSA0081373  Solidago confinis R. G. Swinney 2010-9-9 13783 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR201610  Solidago confinis Justin M. Wood 2008-11-21 250 Los Angeles San Gabriel Mountains, ANF Road (3N27), near Mount Gleason Road 1829 Comment
  LA32075  Sonchus oleraceus Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles Campus of University of California at Los Angeles 129 Comment
  UCD136185  Sonchus oleraceus James Henrickson 1963-4-30 1232 Los Angeles Evey Canyon, northeast of Claremont, along road to Mt. Baldy. 792 Comment
  UCD92753  Sorghum halepense Jack McWhorter 1976-5-19 s.n. Los Angeles North Hollywood. Comment
  UCR126732  Spergularia bocconi A. C. Sanders, Andy Thomson 2003-4-15 26004 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  SD107848  Spergularia macrotheca Larry DeBuhr, Gary Wallace 1972-9-4 726 Los Angeles San Clemente Island, near the ocean at the northwest tip of the island. Comment
  CAS-BOT-BC390340  Spergularia macrotheca var. macrotheca Carl B. Wolf 1932-5-9 3426 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  RSA0098390  Spergularia macrotheca var. macrotheca P. H. Raven, Henry J. Thompson 1959-6-4 14342 Los Angeles Point Dume. 12 Comment
  SBBG88374  Spergularia macrotheca var. macrotheca M. B. Dunkle 1949-1-13 7272 Los Angeles China Pt Comment
  RSA0098528  Spergularia marina LeRoy Gross 1999-4-29 145 Los Angeles Santa Susana Mountains, east end: Rice Canyon, north on interstate 5, exit Calgrove Ave. Turn left to The Old Road, City of Newhall. 426 Comment
  CAS-BOT-BC390810  Spergularia marina Joseph Andorfer Ewan 1932-4-30 7430 Los Angeles North base of Baldwin Hills near Culver City Comment
  CDA24140  Spergularia marina T. C. Fuller 1981-4-1 20350 Los Angeles Below Salicornia, Ballona Marsh, 210 meters north of 431 East Culver Boulevard, Playa del Rey. 0 Comment
  RSA0098112  Spergularia rubra Orlando Mistretta, Christine Mistretta 2010-5-20 5165 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  SBBG80018  Stachys albens R. Hoffmann 1927-6-14 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  LA82035  Stachys bullata O. H. Kappler; 1943-4-30 381 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM214311  Stachys bullata Louis C. Wheeler 1932-4-23 650 Los Angeles Mandeville Canyon, Santa Monica Mountains. 137 Comment
  RSA583116  Stachys bullata Louis C. Wheeler 1933-5-5 1708 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  UCR124893  Stachys bullata B. C. Templeton 1930-5-27 1419 Los Angeles Western Transverse Range; Santa Monica Mtns., Higgins Canyon, north of Beverly Hills 200 Comment
  LA212119  Stanleya pinnata Elwood Fordham; 1957-4-18 s.n. Los Angeles Malibu Beach. Comment
  RSA337422  Stanleya pinnata var. pinnata R. F. Thorne 1973-5-11 43547 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam 1037 Comment
  SBBG91209  Stebbinsoseris heterocarpa M. R. Benedict 1971-6-26 Los Angeles near Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UCR271702  Stebbinsoseris heterocarpa Mitch Provance, Callen Huff 2009-4-28 10810 B Los Angeles Tehachapi Mountians, Road on ridge overlooking Hwy I-5 about 0.6 miles NE of Gorman 1439 Comment
  RSA672293  Stellaria media Joseph M. Keefe 2001-3-16 31122 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  UCD99425  Stellaria media Geoffrey Levin 1974-4-22 26 Los Angeles Wash (Blanchard Peak), Pomona College, Claremont. Alluvial fan of Mt. San Antonio (San Gabriel Mts.) 335 Comment
  CAS-BOT-BC375094  Stephanomeria Alice Eastwood 1917-7-20 6530 Los Angeles Santa Catalina Island Comment
  RSA654442  Stephanomeria exigua subsp. coronaria Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 979 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), NW of ''La Tuna'', above Chandler Canyon, S of La Tuna Canyon. 426 Comment
  UC306317  Stephanomeria exigua subsp. coronaria I. M. Johnston 1917-8-24 1654 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountians 1828 Comment
  UC52231  Stephanomeria exigua subsp. coronaria unknown 1902-1 Los Angeles Garvanza Comment
  RSA474197  Stephanomeria exigua subsp. coronaria F. R. Fosberg 1931-9-17 5698 Los Angeles Los Angeles. 40 Comment
  CAS-BOT-BC375473  Stephanomeria exigua subsp. exigua Le Roy Abrams; E. A. McGregor 1908-6-20 414 Los Angeles Elizabeth Lake, Liebre Mountains 1219 Comment
  CAS-BOT-BC322839  Stephanomeria pauciflora Bunch; Baily 1974-8-14 0525 Los Angeles Castaic Comment
  UCR163175  Stephanomeria pauciflora Anuja Parikh, Nathan Gale 2004-7-1 2076 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  RSA727262  Stephanomeria virgata T. B. Salvato, Sarah Flack 2007-8-8 3030 Los Angeles San Gabriel Mtns: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2012 Comment
  CATA413  Stephanomeria virgata subsp. virgata Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 550 Los Angeles Santa Catalina Island: Upper Cape Canyon 216 Comment
  UCR232380  Stillingia paucidentata Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8061 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 325 m north of Avenue N 779 Comment <