Search Results — 2000 specimen records retrieved (1566 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC586930  Abies concolor Joseph Andorfer Ewan 1934-8-9 8306 Los Angeles Williamson-Islip Saddle San Gabriel Mts. 2057 Comment
  RSA730259  Abronia pogonantha R. G. Swinney 1999-6-18 7282 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  POM19206  Abronia pogonantha P. A. Munz 1923-5-27 6905 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  SEINET3134798  Abronia pogonantha R. G. Robertson 1974-4-27 225 Los Angeles Corner of Rawhide and 166 St. E, Lovejoy Buttes, Antelope Valley, 15.3 air mi ENE Palmdale 853 Comment
  JEPS61225  Abronia umbellata Samuel B. Parish 1891-1 Los Angeles Long Beach Comment
  RSA460975  Abronia umbellata E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  UCR265536  Acacia Dan S. Cooper 2015-3-22 315- 22 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  SFV6151  Acacia baileyana K. A. Wilson, T. Gordon, M. H. Grayum 1974-2-8 1348 Los Angeles San Fernando Valley Chatsworth. Box Canyon Road. Comment
  SEINET10487474  Acacia decurrens David B. Dunn 1946-1 Dunn 1995 Los Angeles Cultivated and weedy plants in the yard at 4911 Pasadena Ave. Terrace, Los Angeles. Comment
  CDA7872  Acacia saligna A. C. Sanders, Dan Malueg 2001-5-17 24318 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. Comment
  CAS-BOT-BC30945  Acamptopappus sphaerocephalus Adolph Daniel Edward Elmer 1902-6-1 3621 Los Angeles Lancaster 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
  CAS-BOT-BC331568  Acer macrophyllum Tim Ross; Steve Boyd 1994-5-24 7866 Los Angeles Liebre Mountains, Lower NE slope of Grass Mountain, slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1158 Comment
  HSC12514  Acer macrophyllum Wendell Wood 1970-6-17 9 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 Comment
  UC452625  Acer macrophyllum Geo. B. Grant 1901-1 17 Los Angeles Mt. Wilson Mt. Wilson (Mountain Canyons, So Cal) Comment
  RSA416223  Achillea millefolium Bonnie C. Templeton 1932-7-20 5003 Los Angeles Big Pines Park, San Gabriel Mts. 2088 Comment
  SBBG117030  Achillea millefolium S. A. Junak 2001-5-4 SCa 1496 Los Angeles E of Parson's Landing 121 Comment
  SBBG95190  Achillea millefolium M. B. Dunkle 1928-3-17 1754 Los Angeles isthmus 152 Comment
  OBI69322  Achillea millefolium John Knapp, Denise Knapp 2003-5-11 70 Los Angeles Catalina Island: 363562.47 x 3701217.74E 8 Comment
  RSA728293  Achnatherum hymenoides Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1958 Los Angeles Fort Tejon Road Comment
  UCSB11701  Achnatherum hymenoides McMillan, Ann 1962-5-4 Los Angeles 18.6 mi E of junction with US Hwy 6 on CA Hwy 138. 1036 Comment
  RSA239028  Achnatherum speciosum C. W. Tilforth, John Dourley 1973-5-24 816 Los Angeles Bob's Gap, ca. 2 miles NE of Valyermo, north desert slope of San Gabriel Mountains. Comment
  CAS-BOT-BC29817  Achyrachaena mollis J. H. Thomas 1901-4-21 1954 Los Angeles Griffith Park Comment
  CATA3120  Acmispon americanus var. americanus Amy Catalano 2016-5-24 125 Los Angeles Santa Catalina Island: Down canyon from Cape Canyon corrals, near ENL mitigation site 174 Comment
  CAS-BOT-BC204747  Acmispon argophyllus var. argenteus L. R. Abrams; I. L. Wiggins 1931-7-6 343 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  UC864283  Acmispon argophyllus var. argenteus John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island. Comment
  CAS-BOT-BC213457  Acmispon argophyllus var. argophyllus Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2917 Los Angeles Ridge and slopes descending +- ENE from Thorn (Triangulation Point 5499 ft.) toward Big Tujunga Creek, about 0.6 - 1.6 airmiles ENE of Barley Flats, Upper Big Tujunga Canyon, San Gabriel Mountains 1554 Comment
  SDSU4285  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 110 Los Angeles Plentiful seedling in field east of Wilson' Cove area. Comment
Read comments
Nov 10 2008
  CATA3283  Acmispon dendroideus var. dendroideus Julie L. King 2017-3-1 61 Los Angeles Santa Catalina Island: Isthmus Rd. above Two Harbors campground 112 Comment
  SDSU4347  Acmispon glaber H. Wedberg 1966-4-3 1204 Los Angeles Above Hill Dr., x Neal, in Eagle Rock. 457 Comment
  LA52426  Acmispon glaber var. glaber Harlan Lewis; 1940-2-24 1084 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  SEINET5327598  Acmispon glaber var. glaber M. Walker 1963-4-28 s.n. Los Angeles La Ballona Creek. 3 Comment
  SBBG31483  Acmispon grandiflorus var. grandiflorus R. F. Thorne 1966-4-6 37912 Los Angeles N slope of Black Jack Mtn along Airport Rd 426 Comment
  SBBG67379  Acmispon grandiflorus var. grandiflorus R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SBBG68839  Acmispon grandiflorus var. grandiflorus C. Bornstein, D. Kershaw 1998-6-5 Los Angeles N2 (Pine Cayon Rd), ca. 0.24 mi E of 749 marker 1226 Comment
  CHSC36033  Acmispon heermannii R. Vandenburgh 1972-6-28 15 Los Angeles 1/2 mi. W. of Mt. Wilson in San Gabriel Mts/ on Los Angeles Crest Hwy. Comment
  CATA1621  Acmispon maritimus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2894 Los Angeles Santa Catalina Island: Near Divide Road, east end, 1.8 miles from Wrigley Memorial 341 Comment
  CHSC13874  Acmispon maritimus L. M. Mayer 1974-4-5 119 Los Angeles On Big Tujunga Canyon Rd. ca. 3/4 mi NE of junction with Mt. Gleason Boulevard. Comment
  SBBG130701  Acmispon micranthus S. A. Junak 2000-5-6 SCa 1273 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing at Empire Landing, flats at top of bluffs 292 Comment
  SBBG95249  Acmispon micranthus M. B. Dunkle 1928-4-10 1841 Los Angeles above Parson's Landing Comment
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Mar 14 2012
  CHSC3669  Acmispon nevadensis Mary MacArthur 1966-6-4 43 Los Angeles Upper Chilao. Comment
  SBBG68097  Acmispon strigosus R. Hoffmann 1927-6-11 Los Angeles near Castaic Comment
  CHSC100225  Acmispon wrangelianus John Dittes 2006-6-5 1409 Los Angeles Transverse Ranges; San Gabriel Mts.; Peace Valley, east of Gorman Creek; ca. 4.9 air-miles NW of Pyramid Lake dam, 6.7 air-miles SE of Gorman, and 0.6 aor-miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos; east side of Interstate Hwy-5, north and east of Little Bear Road exit. 896 Comment
  CAS-BOT-BC29201  Acourtia microcephala John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA181425  Acourtia microcephala James I. McMurphy 1916-4-14 s.n. Los Angeles Topanga Canyon. Comment
  RSA94811  Acourtia microcephala F. W. Peirson 1921-7-1 2768 Los Angeles Mint Canyon at northwest part of San Gabriel Mts. 473 Comment
  CAS-BOT-BC133192  Adenostoma fasciculatum Alice Eastwood 1917-7-20 6506 Los Angeles Santa Catalina Island Comment
  CATA1064  Adenostoma fasciculatum Mark L. Hoefs 1995-5-16 2004 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA390495  Adenostoma fasciculatum Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Ridge west of Maudeville Canyon 550 Comment
  SBBG70859  Adenostoma fasciculatum var. fasciculatum M. N. Ackley 1929-4-21 989 Los Angeles Eagle Rock 243 Comment
  LA94108  Adiantum capillus-veneris Lawrence L. Kiefer; 1966-3-26 1779 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 0.5 mi from mouth. 60 Comment
  RSA85005  Adiantum capillus-veneris F. W. Peirson 1921-3-6 2586 Los Angeles San Gabriel Mountains, east of Fish Creek. 229 Comment
  LA200051  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1690 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 1 mi W of Triunfo Canyon Rd. 304 Comment
  LA33451  Adiantum jordanii Henry J. Thompson; 1959-3-31 1904 Los Angeles SANTA MONICA MOUNTAINS, Cornell Rd, 1 mi N of Mulholland Hwy and 1.8 mi S of Malibu Junction. 274 Comment
  POM868  Adiantum jordanii Clara Roush s.n. Los Angeles Palmer's Canyon. [San Gabriel Mnts] 609 Comment
  SBBG96972  Adiantum jordanii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4323 Los Angeles near Malo Pt, second cyn S of Bryce Cyn, in cyn bottom Comment
  SBBG98412  Adiantum jordanii T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5284 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 304 Comment
  SD69626  Adiantum jordanii Robert F. Thorne, P. Everett 1965-5-10 34486 Los Angeles Santa Catalina Island, upper end of Gallagher Canyon 409 Comment
  UCR71152  Adiantum jordanii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4369 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA678694  Adiantum jordanii Mark Elvin, Orlando Mistretta 1996-3-24 136 Los Angeles Eagle Canyon, San Clemente Island. 244 Comment
  UC68803  Aesculus californica H. M. Hall Jun 1905 6311 Los Angeles Tejon Pass 1219 Comment
  UCR7746  Ageratina adenophora T. Trent 1968-4-5 s.n. Los Angeles San Gabriel Mtns., Los Angeles Co. Wilderness Park, Clamshell Canyon 459 Comment
  SFV16175  Ageratina adenophora P. A. Krueger 1994-3-28 2 Los Angeles San Gabriel Mountains Little Dalton Picnic Area off Glendora Mountain Road. 330 Comment
  UC1036128  Agnorhiza ovata Sherwin Carlquist 1955-5-13 398 Los Angeles along road n Mt. Wilson pass (past Charlton Flats); Cloudburst Summit Comment
  UCR194188  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  RSA748468  Agrostis R. G. Swinney, Cody Clarke 2001-8-22 8082 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR210124  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  HSC101378  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns.: Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA762418  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR270659  Agrostis exarata R. G. Swinney 2011-6-29 15327 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  CAS-BOT-BC139058  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  RSA0064053  Agrostis stolonifera R. G. Swinney 2010-9-9 13772 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UCR204573  Agrostis viridis R. G. Swinney 2005-8-5 8390 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA135255  Ailanthus altissima Peter H. Raven 1960-5-21 15402 Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  RSA584113  Ailanthus altissima Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2996 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  UCR101726  Alisma triviale L. C. Wheeler 1952-7-10 6857 Los Angeles San Gabriel Valley, Whittier Narrows Dam 58 Comment
  SEINET10719976  Allium Heidi H. Schmidt 1999-10-14 Schmidt 3825 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA367077  Allium burlewii George R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  UCR95743  Allium fimbriatum L. C. Wheeler 1967-5-12 9475 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  RSA0081225  Allium lacunosum var. davisiae Mitch Provance 2010-5-6 0510 -07 Los Angeles Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail. 960 Comment
  RSA229028  Allium lacunosum var. davisiae Robert F. Thorne, C. W. Tilforth 1971-6-30 40777 Los Angeles 1.6 mi. below Alder Saddle 1584 Comment
  RSA633357  Allium lacunosum var. davisiae L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  CAS-BOT-BC472002  Allium lacunosum var. davisiae Ralph Hoffmann 1932-4-27 s.n. Los Angeles Harold Comment
  UC196657  Allium monticola Fred E. Burlew June 1916 Los Angeles near top of Mt. San Antonio; Mt. San Antonio Comment
  RSA0000111  Allium monticola Robert Kessler 1921-6-1 1924 Los Angeles Mt. Markham. Comment
  RSA367122  Allium praecox F. R. Fosberg 1931-4-10 689 Los Angeles Santa Catalina Island. Avalon Canyon 150 Comment
  JEPS69358  Allophyllum divaricatum Frank W. Peirson 1918-10-26 293 Los Angeles Big Dalton Canyon San Gabriel Mts., Big Dalton Canyon 762 Comment
  UCR51985  Allophyllum divaricatum Steve Boyd, T. S. Elias 1987-4-14 2070 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  UCR61096  Allophyllum divaricatum Steve Boyd, T. S. Ross 1988-4-28 2224 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA410086  Allophyllum glutinosum F. R. Fosberg 1931-4-24 S- 4692 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA702293  Allophyllum glutinosum Scott D. White, Pam De Vries 2004-5-18 10433 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
  RSA410065  Allophyllum glutinosum Geo L. Moxley 1915-5-31 337 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA634  Allophyllum glutinosum J. T. Howell 1928-6-29 1011 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  UCR212836  Alnus rhombifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1833 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  RSA720486  Alopecurus pratensis R. G. Swinney 1997-8-6 5767 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
Read comments
Mar 27 2014
  UCR210705  Amaranthus albus R. G. Swinney 2008-10-22 9671 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
  UCR222770  Amaranthus albus R. G. Swinney 2009-5-8 10692 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA5973  Amaranthus albus C. B. Wolf 1932-9-13 4046 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
  JEPS54295  Amaranthus californicus Frank W. Peirson 1922-7-6 3183 Los Angeles Big Pines San Gabriel Mountains 2072 Comment
  POM721  Amaranthus deflexus I. M. Johnston 1918-8-4 2115 Los Angeles Pomona. Locally very abundant at roadside. Comment
  RSA402985  Amaranthus deflexus Robert Gustafson 1981-8-7 2344 Los Angeles Ballona Wetlands, area 2 Comment
  RSA0048592  Amaranthus graecizans Lee Haines 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  RSA611492  Amaranthus hybridus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CDA3276  Amaranthus retroflexus L. C. Wheeler 1973-8-2 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Coulter Reservoir, Sunset Ridge. Comment
  RSA258357  Amaranthus retroflexus C. W. Tilforth 1972-7-15 607 Los Angeles Not common, found only in the drier, sandy soil of the Desert Garden Comment
  SD220021  Amaryllis belladonna Steve Boyd, Valentin Arvizu and Rick Riefner 2006-9-21 11700 Los Angeles Verdugo Mountains region; side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway on north side of the highway. 427 Comment
  CATA242  Amblyopappus pusillus Mark L. Hoefs, A. Douglas Propst 1973-5-4 239 Los Angeles Santa Catalina Island: Indian Head Point 60 Comment
  RSA416874  Amblyopappus pusillus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island 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
  RSA659730  Amblyopappus pusillus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 87 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC42893  Ambrosia acanthicarpa Timothy S. Ross; Steve Boyd 1994-9-20 8247 Los Angeles Upper Bouquet Canyon; ca 2225 m WSW of Lincoln Crest, and 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  RSA522939  Ambrosia acanthicarpa Timothy S. Ross, Orlando Mistretta 1990-10-24 3307 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  RSA416895  Ambrosia acanthicarpa Robert Gustafson 1980-9-16 1897 Los Angeles Ballona Wetlands, Area 3. Comment
  UCR45038  Ambrosia chamissonis A. C. Sanders 1986-7-30 6824 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA534147  Ambrosia chamissonis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5079 Los Angeles San Clemente Island. Lower Wilson Cove Canyon; just above shoreline near the pier operations. 6 Comment
  RSA736009  Ambrosia confertiflora Scott D. White, Justin M. Wood 2008-6-4 12051 Los Angeles Puente Hills: SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25. 335 Comment
  UCR199716  Ambrosia confertiflora Scott D. White, Justin Wood 2008-6-4 12051 Los Angeles Puente Hills, SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25 335 Comment
  RSA184357  Ambrosia psilostachya S. F. Blake 1910-7-26 474 Los Angeles Dry bank, near Pasadena Comment
  RSA77793  Ammannia coccinea F. W. Peirson 1918-08 2079 Los Angeles Long Beach Comment
  CHSC26572  Amorpha californica Wesley O. Griesel 1962-5-24 Los Angeles San Rafael Hills, Glendale. 304 Comment
  RSA415281  Amorpha californica Anstruther Davidson 1890-06 s.n. Los Angeles Glendale. Comment
  CAS-BOT-BC180604  Amorpha californica var. californica Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  CATA2811  Amsinckia intermedia Howard L. Ferguson 1980-3-10 199 Los Angeles San Clemente Island: NW end of island near large antennae 30 Comment
  RSA0089647  Amsinckia intermedia M. Bisbee 1917-4-10 s.n. Los Angeles Eagle Rock. Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  RSA599275  Amsinckia menziesii var. intermedia Steve Boyd, Lauren Raz 1997-3-31 9411 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
  SBBG16885  Amsinckia menziesii var. menziesii K. A. Wilson 1961-3-7 948 Los Angeles Mulholland Hwy ca. 3 mi W of Las Virgenes Rd Comment
  RSA0089910  Amsinckia menziesii var. menziesii L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  UC198375 Image available Amsinckia spectabilis Katharine Brandegee May 1916 Los Angeles Catalina Island Comment
  POM369890  Amsinckia spectabilis Jack Rempel 1932-3-19 s.n. Los Angeles El Segundo. Comment
  RSA0089549  Amsinckia tessellata var. tessellata Mitch Provance, Callen Huff 2009-4-28 10667 Los Angeles Tehachapi Mountains: Steep slopes about 0.4 miles E of Gorman and 0.2 mi N of Hwy I-5. 1255 Comment
  RSA587519  Amsinckia tessellata var. tessellata Orlando Mistretta 1994-4-29 1108 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  RSA708608  Anagallis arvensis Valerie L. Soza, LeRoy Gross 2001-5-9 1209 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Valle Vista fire road, west of junction with Scholl Canyon Road, ridgetop north of Hwy 134. 297 Comment
  RSA0038444  Anagallis arvensis Carol Haines, Elwood Fordham 1951-4-7 s.n. Los Angeles Point Dume, on Beach Road from Dume to Zuma Beach. Comment
  RSA599617  Ancistrocarphus filagineus Steve Boyd, Lauren Raz 1997-4-16 9511 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  SBBG63205  Ancistrocarphus filagineus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR139936  Ancistrocarphus filagineus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  LA33352  Andropogon glomeratus var. scabriglumis Peter H. Raven; 1959-10-25 14702 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA0073237  Anemopsis californica Bonnie C. Templeton, H. J. Andrews 1938-6-22 1685 Los Angeles Near Valyermo, Shoemaker Canyon. Comment
  SEINET10695263  Angelica Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2612 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  UCR197763  Anisocoma acaulis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 68 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
  SEINET11853899  Anisocoma acaulis H. M. Hall 1902-1 3075 Los Angeles Elizabeth Lake Comment
  POM6042  Anthemis cotula J. F. Illingworth 1898-05 57 Los Angeles Claremont. 366 Comment
  SBBG31338  Anthemis cotula R. F. Thorne with P. C. Everett 1965-6-23 34961 Los Angeles Middle Ranch, in pasture near barn Comment
  CAS-BOT-BC84665  Anthemis cotula J. Ewan 1931-7-31 4771 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles Comment
  RSA509605  Anthemis cotula L. C. Wheeler 1967-5-13 9495 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  RSA507979  Anthriscus caucalis Steve Boyd, Timothy S. Ross 1988-4-28 2234 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  UCR168188  Anthriscus caucalis Joseph M. Keefe 1978-4-28 22835 Los Angeles Transverse Range: Verdugo Mtns, La Crescenta, Henderson Canyon, Mesa Lila Fire Road, 1 km west of El Lado Road, under Edison Power Line 488 Comment
  CATA3324  Antirrhinum kelloggii Amy Catalano 2017-4-3 041 Los Angeles Santa Catalina Island: About 1 mile down canyon from eastern junction between Middle Ranch & Skull Ridge roads, next to bare open area on ridge 150 meters northwest of the road 226 Comment
  RSA505440  Antirrhinum kelloggii R. C. Bacigalupi 1957-5-12 5879 Los Angeles Slope above Las Flores Canon, 1/4 miles above US Army Nike launching site; Santa Monica Mts. 274 Comment
  RSA191026  Antirrhinum multiflorum Robert F. Thorne 1963-7-11 32786 Los Angeles Near junction of road to Upper Shake Campground and Lake Hughes-Gorman road, Angeles National Forest. Comment
  RSA292470  Antirrhinum multiflorum James Henrickson 1973-6-23 10934 Los Angeles 1 1/2 miles N of Malibu, in tract of land at junction of Rambala Pacifico and Schueren Road Comment
  SD107884  Antirrhinum nuttallianum subsp. subsessile Mark Hoefs, Doug Propst 1973-5-4 227 Los Angeles Santa Catalina Island; by Thompson Dam, Middle Canyon 213 Comment
  UC178305  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. S. Brandegee Los Angeles Saugus Comment
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Jul 13 2018
  UCR131365  Aphanisma blitoides Jeremiah George 2001-5-30 3 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 91 Comment
  RSA347523  Apiastrum angustifolium B. A. Prigge 1986-3-19 6935 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA600027  Apiastrum angustifolium Steve Boyd, Lauren Raz 1997-5-6 9712 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA470382  Apiastrum angustifolium Harvey Anderson 1930-5-30 s.n. Los Angeles Mandeville Canyon. Comment
  RSA596202  Apium graveolens Lauren Raz, Steve Boyd 1996-10-23 13 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  UCD127238  Apium graveolens P. B. Kennedy 1918-7-16 s.n. Los Angeles Los Angeles High School. Comment
  RSA660270  Apocynum cannabinum Orlando Mistretta, Peter L. Morrell 1992-6-4 500 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA69920  Apocynum cannabinum F. W. Peirson 1918-6-18 146 Los Angeles Devil s Punch Bowl, Rock Creek Comment
  UC1922444  Aptenia cordifolia LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2826 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. Near 313 Comment
  RSA252939  Arabis pulchra R. F. Thorne, Gary D. Wallace 1973-4-24 43415 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom 1174 Comment
  SD230158  Aralia californica Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: Alder Gulch. Open north-facing ravine with permanent stream. 1584 Comment
  POM367238  Arctostaphylos catalinae M. B. Dunkle 1929-2-10 2048 Los Angeles Santa Catalina Island. Bullrush Canyon Comment
  RSA626788  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20186 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA629087  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-6-18 15620 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  LA200423  Arctostaphylos glandulosa subsp. mollis Norman A. Cole; May 1964 374 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  POM367279  Arctostaphylos glandulosa subsp. mollis Anstruther Davidson 1892-5-29 1770 Los Angeles Wilson's Peak Comment
  RSA276023  Arctostaphylos glandulosa subsp. mollis Jack Delaini 1974-2-27 45 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. On NE- facing slope 899 Comment
  RSA621248  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1968-4-26 s.n. Los Angeles head of Rattlesnake Canyon at Santa Clara Divide Road 1409 Comment
  RSA626784  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20214 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631459  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16040 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631576  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15964 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631615  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15856 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631633  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15833 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631641  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15636 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631713  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15680 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA654648  Arctostaphylos glauca Fred Brooks 1988-5-7 42 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  UCR223040  Arctostaphylos glauca R. G. Swinney 2009-5-6 10667 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA0079929  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15000 Los Angeles San Gabriel Vanyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mountains. 900 Comment
  POM11420  Arctostaphylos parryana I. M. Johnston 1917-7-28 1575 Los Angeles San Antonio Canyon, San Antonio Mountains 1677 Comment
  RSA5777  Arctostaphylos parryana C. B. Wolf 1932-10-21 s.n. Los Angeles Swartout Valley, 1 mi. E of Big pines park 1982 Comment
  UC1745910  Arctostaphylos parryana Annetta M. Carter, Arthur Carter 1935-9-12 974 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  UC21838  Arctostaphylos parryana J. H. Barber 1897-7-11 265 Los Angeles higher slopes and summit Mt. Gleason Comment
  RSA634694  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20344 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634698  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20304 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634773  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20351 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA634882  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20480 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA635116  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20317 Los Angeles Road to Mt. Gleason, 4.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA635225  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20663 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA787637  Arctostaphylos patula Jane Tirrell 2012-5-2 LS 0041 Los Angeles Near crest of ridge approximately 0.5 miles west of Mt. Hawkins 2545 Comment
  SEINET2028703 Image available Arctostaphylos pechoensis var. viridissima C. B. Wolf 1932-5-13 3626 Los Angeles Three and one-half miles from Avalon 1300 Comment
  POM162487  Arenaria macradenia var. arcuifolia F. W. Peirson 1929-7-1 8430 Los Angeles Aliso Creek at Tie Canyon. 1356 Comment
  UCR157998  Arenaria macradenia var. arcuifolia Orlando Mistretta 1993-6-28 909 Los Angeles San Gabriel Mtns, Angeles National Forest, [Table Mountain,] on summit ridge running west 2287 Comment
  RSA603619  Arenaria macradenia var. kuschei Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10012 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1584 Comment
  RSA0116179  Argemone munita R. G. Swinney 2011-6-15 15205 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA330760  Argemone munita Wayen E. Sawyer 1981-6-29 68 Los Angeles Ca Hwy between Dawson Saddle and junction of Ca Hwy 39, 1.8 mi. from Dawson Saddle. 2241 Comment
  CATA2064  Aristida adscensionis Steven A. Junak 1998-7-17 789 Los Angeles Santa Catalina Island: Just W of mouth of Silver Canyon, on coastal slopes just inland from beach 12 Comment
  LA9333  Aristida divaricata F. M. Reed; 1905-4-2 3623 Los Angeles Altadena Comment
  CDA1017  Artemisia californica D. G. Kelch 1991-3-17 1331 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  SBBG62411  Artemisia californica M. N. Ackley -Mar-1930 1206 Los Angeles Los Flores Cyn 152 Comment
  UCR205881  Artemisia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37084 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA417276  Artemisia douglasiana Louis Greata 1900-9-30 s.n. Los Angeles Eaton Canyon. Comment
  CAS-BOT-BC93869  Artemisia dracunculus D. E. Breedlove 1961-8-4 927 Los Angeles On creek-bank at Peavine Campground on Big Pines Highway 2 miles northwest of State Highway 2; San Gabriel Mountains 1828 Comment
  RSA417312  Artemisia dracunculus L. E. Hoffman 1932-10-30 16304 Los Angeles San Gabriel Mountains: Barley Flats Comment
  LA210516  Artemisia spinescens Philip A. Munz; T. Craig 1933-5-13 12941 Los Angeles 16 mi NE of Lancaster Comment
  CAS-BOT-BC97268  Artemisia tridentata subsp. parishii Grant 1901-7-13 4407 Los Angeles Palmdale Comment
  CAS-BOT-BC97277  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7803 Los Angeles Newhall Comment
  UCR145193  Artemisia tridentata subsp. tridentata June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  SBBG12204  Arthrocnemum subterminale P. H. Raven 1962-7-12 Los Angeles just W of North Head 6 Comment
  RSA595026  Arundo donax Steve Boyd, Lauren Raz 1996-10-8 8989 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  SBBG131550  Arundo donax S. A. Junak 1999-7-16 SCa 1060 Los Angeles ca. 0.1 mi inland from mouth of Cottonwood Cyn, N side of cyn 7 Comment
  UCR223681  Asclepias fascicularis R. G. Swinney 2009-6-17 11154 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  HSC24295  Asclepias vestita Girina Chen 1971-5-2 26 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 on 167th St. in Mojave Desert 854 Comment
  RSA686312  Aspidotis californica G. R. Proctor 1944-02 782 Los Angeles Sepulveda Canyon Comment
  SD69727  Aspidotis californica Robert F. Thorne 1966-4-28 36211 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, on talus from mine shaft above upper end of Renton Mine road 274 Comment
  RSA279049  Aspidotis californica R. F. Thorne 1971-4-23 41470 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek 549 Comment
  PASA1801  Aster canescens Frank W. Peirson 1923-8-30 Los Angeles North of Big Pines Auto Camp 1310 Comment
  RSA640878  Aster greatae L. C. Wheeler 1967-8-8 10380 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  RSA726009  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-28 26134 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  POM7056  Astragalus gambelianus P. A. Munz 1919-4-5 2435 Los Angeles Puddingstone Canon. 274 Comment
  RSA746771  Astragalus gambelianus R. G. Swinney 2008-4-17 8688 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA718027  Astragalus leucolobus R. G. Swinney 1996-5-27 4746 Los Angeles NW of Wrightwood, c. 200 m N of Hwy. 2 at Mountain High Ski Resort, east runway. 11S MJ-3E, 0N 2073 Comment
  UCR6006  Astragalus leucolobus Steve Stadler 1966-4-17 41766- 61 Los Angeles San Gabriel Mountains, 1.5 miles west of Big Pines Junction on Big Pines to Palmdale Road [= Big Pines Hwy] 1829 Comment
  CAS-BOT-BC187573  Astragalus miguelensis J. Von Loh 1978-1-4 3285 Los Angeles Near Landing Strip 6 Comment
  UC1215216  Astragalus miguelensis Peter H. Raven 1962-7-10 17955 Los Angeles near ocean due w Wall 2 (San Clemente Island); , w of Wall 2 Comment
  SEINET10775821  Astragalus miguelensis Robert F. Thorne 1973-4-11 Thorne 42877 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  UCR65530  Astragalus nevinii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801- 01 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  SEINET3860274  Astragalus pachypus var. pachypus R. G. Swinney 2009-4-24 10431 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creem 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  POM1740  Astragalus pomonensis I. M. Johnston 1918-4-21 1852 Los Angeles Deer Canon Wash near Etiwanda. 396 Comment
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Feb 20 2017
  RSA415688  Astragalus purshii var. tinctus Robert Gustafson 1978-6-1 995 Los Angeles Off dirt road leading into Hungry Valley, ca.4 mile west from the junction with the 2-lane paved Peace Valley Rd., west of Gorman. 1250 Comment
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Oct 29 2013
  RSA307593  Astragalus trichopodus Lyman Benson 1963-4-15 16244 Los Angeles San Jose Hills. Ridge east of Diamond Bar Boulevard, Diamond Bar Ranch. 304 Comment
  SBBG18739  Astragalus trichopodus var. lonchus E. R. Blakley 1961-9-24 4783 Los Angeles Little Springs Cyn 15 Comment
  SBBG3252  Astragalus trichopodus var. phoxus H. and M. Dearing 1940-4-21 4217 Los Angeles Lower Bouquet Cyn, E of Saugus Comment
  SEINET149338  Astragalus trichopodus var. phoxus E. K. Balls, L. W. Lenz 1950-3-28 14460 Los Angeles 3 mi N of Castaic, Hwy. 99. 457 Comment
  CAS-BOT-BC17506  Athysanus pusillus C. F. Baker 1904-4-1 4124 Los Angeles Claremont. Comment
  UCR192051  Athysanus pusillus A. C. Sanders 2008-4-11 34853 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
  SEINET3929862  Atriplex amnicola Howard C. Stutz 1991-2-7 95446 Los Angeles Malibu Beach.; 0 Comment
  RSA526623  Atriplex californica Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4213 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  CAS-BOT-BC168268  Atriplex canescens var. canescens Timothy S. Ross; Steve Boyd 1994-9-20 8227 b Los Angeles 2 miles NW of Acton: Sandy wash, 2 side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  CATA1746  Atriplex coulteri Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3174 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  POM184498  Atriplex johnstonii P. A. Munz 1932-8-31 12817 Los Angeles Playa Del Rey Comment
  CLARK-A1528-2525  Atriplex lentiformis subsp. breweri John C. Roos 1948-9-15 Los Angeles Santa Monica Comment
  POM156345  Atriplex leucophylla L. R. Abrams 1902-6-9 2491 Los Angeles Playa Del Rey Comment
  RSA478304  Atriplex leucophylla F. R. Fosberg 1931-5-18 S- 4894 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  RSA478308  Atriplex leucophylla M. B. Dunkle 1928-4-29 1893 Los Angeles Little Harbor. 5 Comment
  SBBG105331  Atriplex pacifica H. L. Ferguson 1981-4-10 221 Los Angeles just S of Eel Pt on first exposed terrace 3 Comment
  RSA478383  Atriplex rosea F. R. Fosberg 1930-7-7 S- 3156 -a Los Angeles Alamitos Bay 2 Comment
  CATA342  Atriplex semibaccata Mark L. Hoefs 1973-7-20 383 Los Angeles Santa Catalina Island: Along inland rim of Catalina Harbor 1 Comment
  CHSC62044  Atriplex semibaccata L. P. Janeway 1993-10-5 4613 Los Angeles Puente Hills; ridgetop between the heads of Arroyo San Miguel and Arroyo Pescadero. 281 Comment
  SBBG12208  Atriplex semibaccata E. R. Blakley 1961-9-23 4733 Los Angeles Ballast Pt, Catalina Harbor Comment
  RSA123000  Atriplex spinifera Marcus E. Jones 1925-5-4 s.n. Los Angeles Near Lancaster Comment
  UCR213547  Atriplex suberecta Michael Honer 2003-7-8 1846 A Los Angeles Transverse Range, Liebre Mountains, Tapia Canyon area, c. 2-3 air miles west of I-5 Freeway junction with Ridge Route Rd. 549 Comment
  RSA385382  Avena barbata Gary D. Wallace 1978-2-12 1578 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA694975  Azolla filiculoides Freda Detmers 1931-11-11 s.n. Los Angeles Griffith Park Comment
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May 14 2007
  UC1234792  Azolla filiculoides Peter H. Raven 1962-5-22 17853 Los Angeles ca. 1 mi below Ranch Middle Creek; Santa Catalina Isl. Comment
  RSA716468  Baccharis emoryi Scott D. White, Andrea Warniment 2006-7-6 11604 Los Angeles SE Tehachapi Mtns: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  UCR119060  Baccharis pilularis Jeremiah George 2000-9-21 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Forrestal Quarry, open space north of Forrestal Dr. near the boundary with Rolling Hills 244 Comment
  LA94397  Baccharis salicifolia Harlan Lewis; 1940-2-24 1087 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  UCR198328  Baccharis salicifolia Gary Kovnat, LeRoy Gross 2003-1-19 04 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully Comment
  JEPS32260  Balsamorhiza deltoidea I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-5-13 4628 Los Angeles Bouquet Canyon 1100 Comment
  UCR119053  Bassia hyssopifolia Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  CAS-BOT-BC75510  Batis maritima J. C. Nevin 1885-4-1 s.n. Los Angeles San Clemente Island. Comment
  SBBG118815  Berberis nevinii V. Soza with S. Boyd, G. D. Wallace 2000-3-28 651 Los Angeles Cobal Cyn, Claremont Hills Wilderness Park, W of fire road up Cobal Cyn, above jct of Burbank and Cobal Cyn; T1N R8W SE/4, NW/4 S27 518 Comment
  UC2062994  Berberis nevinii Mark Elvin with Michael Wall 1997-3-5 362 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection with [Padua Avenue], 50 m off road. Comment
  CAS-BOT-BC75817  Berberis pinnata Frank W. Peirson 1943-5-15 13462 Los Angeles Up the grade from Big Pines, San Gabriel Mountains. 2133 Comment
  HSC24275  Beta vulgaris Art Hastings 1968-6-6 41 Los Angeles California State College at Los Angeles in San Gabriel Valley 122 Comment
  CDA4001  Bituminaria bituminosa T. C. Fuller 1963-4-25 10298 Los Angeles San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement. 0 Comment
  SBBG127525  Bloomeria crocea var. crocea M. L. Hoefs, S. A. Junak, L. Stratton 1998-6-11 2922 Los Angeles upper Avalon Cyn, near horse trail 109 Comment
  RSA482648  Boechera californica Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA591471  Boschniakia strobilacea Louis C. Wheeler 1966-10-6 8961 Los Angeles San Gabriel Mountains, South slope of Mt. Williamson. 2500 Comment
  RSA452000  Bowlesia incana L. C. Wheeler 1931-3-3 s.n. Los Angeles San Dimas: Puddingstone Dam, San Jose Hills. 305 Comment
  UCR71180  Bowlesia incana Steve Boyd, T. Ross, et al 1990-4-8 4371 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA466774  Boykinia rotundifolia Thekla Mohr 1951-1 s.n. Los Angeles San Gabriel River. Comment
  SBBG14043  Brachypodium distachyon P. H. Raven 1962-5-22 17825 Los Angeles above Emerald Bay 121 Comment
  UCR280402  Brachypodium distachyon Jeremiah George, Eric Kline 2017-4-17 417- 07 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  RSA0073386  Brassica geniculata R. G. Swinney 2010-3-18 11986 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
  UCR259133  Brassica geniculata R. G. Swinney 2010-5-4 12535 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCR273259  Brassica geniculata R. G. Swinney 2011-10-25 15861 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
  SBBG98460  Brassica nigra T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5307 Los Angeles ridge between two forks of Near-Death Cyn (draining to Mosquito Cove), ca. 1000 ft NNE of Rest (1336') marker 396 Comment
  SEINET10825329 Image available Brassica rapa Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3791 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  SD31168  Brassica rapa Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills Comment
  RSA128003  Brickellia californica Peter H. Raven, Henry J. Thompson 1959-10-31 14724 Los Angeles Mandeville Canyon 5.8 miles north of Sunset Boulevard 366 Comment
  RSA535547  Brickellia californica Timothy S. Ross, Annette Ross 1991-9-7 5948 Los Angeles Near Mulholland Highway x Yerba Buena Road; Triufno Pass 556 Comment
  RSA94120  Brickellia californica F. W. Peirson 1921-10-22 2599 Los Angeles Head of Eaton Canyon, base of San Gabriel peak. 1646 Comment
  UCR51075  Bromus arizonicus A. C. Sanders 1988-3-17 7732 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  RSA151296  Bromus carinatus P. H. Raven 1962-4-9 17169 Los Angeles San Clemente Island: small arroyo above Wilson Cove 61 Comment
  RSA364056  Bromus carinatus Bonnie C. Templeton 1932-7-20 5019 Los Angeles Big Pines Park 2092 Comment
  SBBG105556  Bromus carinatus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5070 Los Angeles lower Wilson Cyn; rocky draw SW of and above pier operations 15 Comment
  UCR223574  Bromus carinatus R. G. Swinney 2009-6-3 11034 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR273448  Bromus carinatus R. G. Swinney 2011-5-19 14760 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UC205224  Bromus carinatus var. carinatus I. M. Johnston 1917-7-1 1519 Los Angeles San Antonio Mountains, Browns Flats Browns Flats; San Antonio Mountains, Browns Flats 1371 Comment
  UCR272601  Bromus carinatus var. marginatus R. G. Swinney 2011-6-7 15065 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
  POM364018  Bromus catharticus Anstruther Davidson 1917-04 3179 Los Angeles E. Los Angeles. Comment
  UCD58579  Bromus diandrus Robert D. Clarke 1979-4-15 s.n. Los Angeles Central Los Angeles. Comment
  RSA729205  Bromus hallii R. G. Swinney 1998-10-3 7001 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
  LA13745  Bromus hordeaceus A. M. Johnson; 1933-5-17 4247 Los Angeles Del Rey Comment
  SBBG80111  Bromus hordeaceus E. Z. Rett, P. C. Orr 1945-4-10 Los Angeles San Clemente Island Comment
  UCR102380  Bromus madritensis subsp. madritensis L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mtns., Devil's Canyon, just above the upper falls, below the campground, east of windy gap. 1006 Comment
  SBBG93450  Bromus rubens T. S. Brandegee 1890-5-15 Los Angeles Santa Catalina Island Comment
  UCD59563  Bromus rubens J. Warren 1952-5-15 s.n. Los Angeles Mulholland Drive. 457 Comment
  UCD59571  Bromus rubens Kenneth A. Wilson 1961-2-21 876 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  UCD59591  Bromus rubens J. O. McMullin 1914-9-1 s.n. Los Angeles Casa Desierto. Comment
  UCR186930  Bromus rubens A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32024 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  SEINET11672445  Bromus rubens C. V. Braun 1975-1 157 Los Angeles above San Francisquito Canyon Road, 2 mi SW of junction with Spunky Canyon Road Comment
  CDA1845  Bromus sterilis L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA598901  Bromus tectorum Steve Boyd, Timothy S. Ross 1997-3-21 9217 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR123808  Bromus tectorum Steven R. Hill, K. Kramer 2001-4-22 33349 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR127235  Bromus tectorum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2916 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA0019995  Bromus tectorum Donald Tahara 1975-5-25 70 Los Angeles Off Angeles Crest Hwy., near Brown Canyon Comment
  SD90264  Cakile maritima Robert F. Thorne 1973-4-12 42916 Los Angeles San Clemente Island; dunes at Horse Cove, south end of island. 3 Comment
  RSA0038711  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA598870  Calandrinia ciliata Steve Boyd, Timothy S. Ross 1997-3-21 9247 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  UC7730  Calandrinia ciliata A. J. McClatchie March, 1893 1 Los Angeles near Pasadena Comment
  RSA232797  Calandrinia ciliata R. F. Thorne 1966-4-17 36098 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  RSA613601  Calandrinia ciliata L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  SD90420  Callitriche marginata Robert F. Thorne 1966-4-17 36088 Los Angeles San Clemente Island; muddy margin of small reservoir between Boulder & Horton, northeast side of island. 490 Comment
  LA22314  Calochortus albus Carl Epling; 1931-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SD234440  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 (Glendora 7.5'Q) 609 Comment
  UCR169657  Calochortus albus Kathleen Stockwell 2005-5-4 120 Los Angeles San Gabriel Mtns Foothills, North Claremont, Palmer Canyon N of Palmer Canyon Road at Via Padova, just N of Padua Hills Theater 610 Comment
  LA22322  Calochortus catalinae R. Herley; 1932-4-26 sn Los Angeles Santa Catalina Island, Avalon, Canon Comment
  SD121023  Calochortus clavatus var. clavatus Linda Allen, Michael Curto 1986-5-22 297 Los Angeles Three individuals at junction of un-named tributary to Malibu Creek and Malibu Creek Road, Malibu Creek State Park. 198 Comment
  SBBG132180  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2014-5-19 809 Los Angeles N of Santa Clara River near Val Verde, 0.2 km N of Hunstock St, 0.1 km SE of Del Valle Rd 395 Comment
  RSA17063  Calochortus invenustus Carl B. Wolf 1936-5-27 7854 Los Angeles Aliso Canyon to Buckhorn Flats Road, 3.6 mi. above Tie Camp Summit (1st summit) 1889 Comment
  RSA68349  Calochortus invenustus Verne Grant, Alva Grant 1951-6-11 16036 Los Angeles Hwy 2, Charlton Flats, San Gabriel Mountains 1677 Comment
  RSA590656  Calochortus kennedyi var. kennedyi Timothy S. Ross, Steve Boyd 1990-6-1 2787 Los Angeles San Gabriel Mountains, Lower Moody Canyon: 1.9 (road) miles N of Magnetic Springs along Moody Truck Road 957 Comment
  CAS-BOT-BC493414  Calochortus splendens Bell Richardson Jackson 1941-6-1 s.n. Los Angeles San Gabriel Wash, N.E. of Claremont Comment
  RSA711436  Calochortus striatus LeRoy Gross 2005-5-19 2297 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UC154591 Image available Calochortus venustus Rensselaer J. Smith May 1904 Los Angeles Catalina Island Comment
  SBBG1919  Calyptridium monandrum H. and M. Dearing 1935-4-13 223 Los Angeles Bouquet Cyn, near Palmdale Comment
  UCR280563  Calyptridium monandrum R. G. Swinney 2014-4-10 16013 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
  SBBG58112  Calystegia R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC879424  Calystegia macrostegia F. R. Fosberg 1931-3-23 S 4335 Los Angeles North Wall Santa Catalina Island, Descanso Canyon (Descanso Canyon, Santa Catalina Island, roadside) 40 Comment
  UCR258843  Calystegia macrostegia R. G. Swinney 2010-3-22 12039 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA535284  Calystegia macrostegia subsp. amplissima T. S. Ross 1991-5-20 5351 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  HSC86145  Calystegia occidentalis subsp. fulcrata David Charlton 1986-6-15 293 Los Angeles Lightning Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy., ca. 4 mi. NW of the San Bernardino Co. line and 5 mi. NW of Wrightwood 2256 Comment
  JEPS31639  Calystegia peirsonii F. W. Peirson 1927-5-21 7301 Los Angeles Rock Creek , Rock Creek (San Gabriel Range) 1524 Comment
  RSA577260  Calystegia peirsonii Orlando Mistretta 1994-7-20 1436 Los Angeles Big Rock Creek, Sycamore flat Campground, along roadside near S campground entrance. 1304 Comment
  SDSU1157  Camissonia campestris subsp. campestris D. F. Howe 1947-5-6 1534 Los Angeles North face of San Gabriel Mts. Comment
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Dec 29 2015
  UC56461  Camissonia campestris subsp. campestris H. M. Hall May 1 1902-May 3 1902 3066 Los Angeles vicinity of Elizabeth Lake Antelope Valley 1066 Comment
  RSA17168  Camissonia claviformis subsp. claviformis Percy C. Everett 1935-12-28 7920 Los Angeles Planting data: Wild flower nursery-12-28-35. Comment
  RSA454083  Camissonia lewisii Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  RSA780008  Camissonia micrantha R. G. Swinney 2009-4-7 10301 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220042  Camissonia pallida R. G. Swinney 2009-4-24 10457 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA585425  Camissonia pallida subsp. pallida Tim S. Ross, Steve D. Boyd 1990-5-31 2748 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA755935  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-9 2403 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  OBI70946  Camissonia strigulosa Steve Boyd, Lauren Raz 1997-3-25 9263 Los Angeles Liebre Mtn Region. Extreme NW corner of the range in Peace Valley, small side cyn just E of I-5 off Copco Rd 951 Comment
  SD253501  Camissonia strigulosa R. G. Swinney 2011-5-19 14765 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of junction of Colby Ranch Road and FS Rd 3N19, upper Big Tujunga Canyon, between Colby Ranch Road and Coldwater Canyon stream, below abandoned Milley's Apple Orchard (Chilao Flat 7.5'Q) 911 Comment
  UCR282003  Camissonia strigulosa R. G. Swinney 2014-5-1 16319 A Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  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
  SBBG98674  Camissoniopsis guadalupensis subsp. clementina T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5081 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SDSU3363  Camissoniopsis hirtella H. Wedberg 1958-5-10 287 Los Angeles On Latigo canyon Road 0.4 mi. from Mulholland Hwy and just north of Calamigos Star 'C' Ranch. Cleistogamous. Comment
  LA46204  Canbya candida Carl Epling; 1926-4-24 sn Los Angeles Antelope Valley, Palmdale Comment
  RSA650987  Capsella bursa-pastoris Richard Clark 1969-5-9 s.n. Los Angeles 8669 Arroyo dr. S. San Gabriel. Comment
  UCR13469  Cardamine californica 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
  UCR205690  Cardamine flexuosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36979 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR271838  Cardamine hirsuta R. G. Swinney 2011-3-15 14085 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn., east portion of park 244 Comment
  UCR261542  Cardamine oligosperma R. G. Swinney 2010-2-27 11706 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  CAS-BOT-BC384773  Cardionema ramosissimum LeRoy Abrams 1902-6-11 2517 Los Angeles Playa del Rey Comment
  POM156368  Cardionema ramosissimum L. R. Abrams 1902-6-11 2517 Los Angeles Playa del Rey. Comment
  UCR204283  Carex R. G. Swinney 2001-9-16 8169 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
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Sep 12 2018
  UCR258526  Carex R. G. Swinney 2010-6-23 13312 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
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Sep 12 2018
  RSA0106496  Carex alma R. G. Swinney 2011-10-18 15832 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  SEINET3897006  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just sourht of Santa Clara River (Val Verd 7.5').; 0 305 Comment
  RSA364635  Carex alma W. P. Burger 1979-5-18 101 Los Angeles ca. 1 mi E of jct with Angeles Forest Hwy 1066 Comment
  UCR210128  Carex athrostachya R. G. Swinney 2008-7-24 9346 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA364613  Carex barbarae L. E. Hoffman 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale. Comment
  SFV20867  Carex barbarae L. Gross, N. Fraga, S. Williams 2002-7-17 560 Los Angeles Verdugo Mountains North side, La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 295 Comment
  RSA640874  Carex bolanderi L. C. Wheeler 1967-8-8 10397 Los Angeles San Gabriel Mts., Angeles National Forest: confluence of Alder Creek and East Fork 1250 Comment
  UCR269124  Carex fracta Orlando Mistretta, Christine Mistretta 2011-6-23 5728 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  SD215319  Carex multicaulis Timothy S Ross, Steve Boyd et al 1990-6-25 3781 Los Angeles San Gabriel Mountains: Natural depression South-southwest of Crystal Lake. 1691 Comment
  CAS-BOT-BC118409  Carex praegracilis H. E. Hasse 1888-5-1 s.n. Los Angeles Near Los Angeles, Canyon Ostrich Farm. Comment
  CAS-BOT-BC117946  Carex schottii George Bernard Grant 1904-5-1 137 a Los Angeles Pasadena. Comment
  UCR147046  Carex schottii L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Graveyard Canyon, second side canyon 610 Comment
  RSA250391  Carex senta Robert F. Thorne 1969-05 36909 Los Angeles Along Little Rock Creek. 1311 Comment
  CAS-BOT-BC117318  Carex spissa George B. Grant 1904-5-5 6190 Los Angeles Arroyo Seca Canyon. Comment
  RSA0121225  Castilleja affinis M. B. Dunkle 1933-4-19 3312 Los Angeles Palos Verdes Hills. Comment
  RSA425859  Castilleja affinis Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  RSA425905  Castilleja affinis subsp. affinis Edwin Kline 1923-4-2 s.n. Los Angeles San Gabriel Canyon. Comment
  POM292782  Castilleja applegatei subsp. martinii Lyman D. Benson 1945-4-13 11666 Los Angeles San Gabriel Mountains: Little Dalton Canyon, Glendora; Pacific Slope Drainage Area. 366 Comment
  UC1408948  Castilleja applegatei subsp. martinii Donald R. Bissing 1973-4-6 36 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 762 Comment
  RSA529192  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1991-7-24 5660 Los Angeles Granite Mountain. San Gabriel Mountain Range. 1936 Comment
  SBBG34602  Castilleja applegatei subsp. martinii L. C. Wheeler 1967-9-4 10652 Los Angeles Pine Mtn Ridge 2240 Comment
  SBBG79305  Castilleja exserta F. R. Fosberg 1932-5-5 8107 Los Angeles hill N of Avalon 40 Comment
  LA82063  Castilleja exserta subsp. exserta O. H. Kappler; 1943-5-9 400 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon, N slope. Comment
  RSA161089  Castilleja foliolosa Peter H. Raven 1962-5-20 17769 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  RSA0121920  Caulanthus cooperi Orlando Mistretta 1995-3-24 1570 Los Angeles San Gabriel Mountains: Carr Canyon. 1341 Comment
  LA51325  Caulanthus coulteri Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  SD215437  Caulanthus coulteri Steve Boyd, Lauren Raz 1997-3-25 9296 Los Angeles Upper end of broadalluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain at end of dirt road leading 1.0 km northeast of Knapp Ranch. 1096 Comment
  SEINET7040197  Caulanthus lasiophyllus A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  JEPS27006  Caulanthus major Frank W. Peirson 1918-6-17 65 Los Angeles Rock Creek San Gabriel Mountains, Rock Creek 1676 Comment
  POM247963  Ceanothus arboreus F. R. Fosberg 1931-3-23 s 4326 Los Angeles Hamilton Canyon 60 Comment
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Jun 5 2014
  UC1234759  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit road Santa Catalina Island 243 Comment
  CAS-BOT-BC48727  Ceanothus crassifolius Carl B. Wolf 1936-5-27 7844 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  LA41985  Ceanothus crassifolius C. L. Hogue; 1954-4-11 sn Los Angeles Pacoima, Small side canyon off Pacoima Canyon 548 Comment
  RSA261704  Ceanothus crassifolius Brandegee 1889-05 s.n. Los Angeles South Side. [Ravenna] Comment
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Nov 8 2015
  UCSB11936  Ceanothus crassifolius Stern, A. 1961-3-4 Los Angeles dry slope 1 mi west of Fryman Rd. on Fire Road X9 Studio City - Hollywood Hills; Santa Monica Mts. Comment
  LA41992  Ceanothus crassifolius W. E. Pequegnat; 1938-2-12 sn Los Angeles Santa Ana Mountains, E ridge of Coldwater Canyon 380 Comment
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Feb 10 2015
  SEINET11191173  Ceanothus crassifolius Brandegee s.n. Los Angeles South side Comment
  CAS-BOT-BC48876  Ceanothus cuneatus Henry J. Thompson 1959-3-22 1869 Los Angeles Lobo Canyon 1 mile west of Malibu Lake 274 Comment
  RSA598102  Ceanothus cuneatus var. cuneatus Steve Boyd, Lauren Raz 1997-3-4 9150 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. 610 Comment
  SBBG68374  Ceanothus cuneatus var. cuneatus R. Hoffmann 1932-4-6 Los Angeles Mint Cyn, N of Solemint Comment
  SBBG68378  Ceanothus cuneatus var. cuneatus R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  POM158330  Ceanothus megacarpus var. insularis M. B. Dunkle 1928-2-19 1708 Los Angeles Cape Canyon. Santa Catalina Island. Comment
  RSA234632  Ceanothus megacarpus var. insularis Robert F. Thorne 1970-3-5 39365 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
  RSA25588  Ceanothus megacarpus var. insularis Carl B. Wolf 1941-6-25 4192 Los Angeles Santa Catalina Island. Head of Avalon Canyon below the Wrigley Mausoleum. 122 Comment
  SBBG38802  Ceanothus megacarpus var. insularis R. Moran 1941-3-5 697 Los Angeles Salta Verde 350 Comment
  CAS-BOT-BC50459  Ceanothus oliganthus Geo. B. Grant 1901-7-28 s.n. Los Angeles Sturtevant's Camp 1066 Comment
  POM49031  Ceanothus oliganthus Stephen Grout, Stephen Grout 1901-05 s.n. Los Angeles Sierra Madre, Los Angeles Comment
  CAS-BOT-BC50483  Ceanothus oliganthus Henry J. Thompson 1959-3-22 1868 Los Angeles Santa Monica Mountains - Lobo Canyon 1 mile west of Triunfo Canyon, 3 miles west of Malibu Lake 274 Comment
  SFV16785  Ceanothus oliganthus subsp. oliganthus J. D. Dilley 1997-2-8 s. n. Los Angeles Verdugo Mountains La Tuna Canyon Park, about 1.2 miles up trail. Near floor of canyon with stream. 610 Comment
  POM310390  Ceanothus oliganthus var. oliganthus Margaret Hardinge 1946-3-11 143 Los Angeles Big Dalton Canyon. 457 Comment
  RSA233365  Ceanothus oliganthus var. oliganthus Arthur C. Gibson, Linda Gibson 1972-3-18 2793 Los Angeles Fish Canyon, San Gabriel Mountains. 381 Comment
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Nov 19 2014
  RSA550403  Ceanothus oliganthus var. oliganthus Tim S. Ross, Peter Fritsch 1990-6-20 3596 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
  RSA719058  Ceanothus oliganthus var. oliganthus R. G. Swinney 1998-4-13 5957 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA762366  Ceanothus oliganthus var. oliganthus R. G. Swinney 2009-3-16 10117 Los Angeles Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UC79787  Ceanothus oliganthus var. oliganthus Katharine Brandegee May 1889 Los Angeles Pasadena Comment
  RSA398941  Ceanothus spinosus Ora M. Clark 1929-1-27 1491 Los Angeles N. Hollywood, So. Calif. Comment
  UC1071352  Ceanothus spinosus P. L. Johannsen 1933-12-20 207 Los Angeles 4 1/2 mi s and 1 1/2 mi w Reseda; Calabasas Quarangle Comment
  UC56049  Ceanothus spinosus J. H. Barber 1898-2-22 371 Los Angeles Topango Canyon [Topanga Canyon ?] Topango Canyon Comment
  UCR259141  Centaurea melitensis R. G. Swinney 2010-6-23 13366 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR282135  Centaurea melitensis R. G. Swinney 2014-5-15 16533 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
  LA201816  Centaurium venustum Arthur C. Gibson; 2003-6-1 4924 Los Angeles Santa Monica Mountains, Malibu Creek, Mulholland Hwy Comment
  RSA391489  Centaurium venustum M. Bisbee 1917-5-27 s.n. Los Angeles Verdugo Hills, near Verdugo road Comment
  SEINET3372080  Centromadia parryi subsp. australis G. Rink 2011-6-6 10596 Los Angeles Just south of the Triple Clays Shooting Range in Whittier, weedy place 55 Comment
  UCR189996  Centrostegia thurberi R. G. Swinney, Vanessa Merritt 1998-6-12 6965 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
  RSA503486  Centrostegia thurberi Robert F. Thorne 1963-5-15 31690 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  CATA1015  Cerastium glomeratum Mark L. Hoefs 1995-5-4 1930 Los Angeles Santa Catalina Island: Above Howlands Landing 60 Comment
  SBBG31379  Cerastium glomeratum R. F. Thorne 1966-4-7 35966 Los Angeles bottom of cyn, Cherry Valley Comment
  RSA771606  Cercocarpus betuloides R. G. Swinney 2009-5-28 10975 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR220359  Cercocarpus betuloides R. G. Swinney 2009-4-15 10335 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCR78149  Cercocarpus betuloides Wandalee Thompson 1964-4-18 27 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  CAS-BOT-BC142127  Cercocarpus betuloides var. betuloides L. R. Abrams 1913-7-18 5012 Los Angeles Russel's Lake Comment
  CAS-BOT-BC142165  Cercocarpus betuloides var. betuloides L. E. Cox 1900-3-31 s.n. Los Angeles Mt. Wilson trail 609 Comment
  JEPS45545  Cercocarpus betuloides var. betuloides C. E. Hutchinson 1892-7-20 Los Angeles Old Mt. Wilson Trail; San Gabriel Mountains, Old Mt. Wilson Trail 609 Comment
  SBBG17472  Cercocarpus betuloides var. betuloides K. A. Wilson 1962-5-12 1278 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  SD215643  Cercocarpus betuloides var. betuloides Steve Boyd, Lauren Raz 1997-3-25 9298 Los Angeles Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 kilometer northeast of Knapp Ranch 1096 Comment
  RSA449415  Cercocarpus betuloides var. blancheae E. R. Blakley 1962-10-6 5478 Los Angeles Catalina Island. Bullrush Canyon south of Middle Ranch. 229 Comment
  SBBG95237  Cercocarpus betuloides var. blancheae M. B. Dunkle 1928-4-13 1871 Los Angeles Renton Mine Rd Comment
  RSA0042304  Cercocarpus betuloides var. blancheae Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3061 Los Angeles Santa Catalina Island: Lower Bulrush Canyon. 262 Comment
  CAS-BOT-BC147721  Cercocarpus betuloides var. traskiae Reid Moran 1941-3-5 678 Los Angeles Salta Verde, Santa Catalina Island Comment
  RSA449441  Cercocarpus ledifolius Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA213344  Cercocarpus traskiae Reid V. Moran 1941-3-5 678 Los Angeles Salta Verde, Santa Catalina Island. 250 Comment
  SEINET10483785  Cercocarpus traskiae Jon Ricketson, Heidi H. Schmidt 1992-1 Los Angeles Comment
  UCSB27836  Chaenactis glabriuscula Blakely, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  UCSB33699  Chaenactis glabriuscula Griesel, Wesley 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  CAS-BOT-BC277372  Chaenactis glabriuscula var. glabriuscula Alice Eastwood 1913-5-11 3156 Los Angeles San Fernando Wash Comment
  UC1871154  Chaenactis glabriuscula var. glabriuscula T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4925 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  RSA0008383  Chaenactis glabriuscula var. orcuttiana William Jones 2010-4-12 BOE- 1439 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice 2 Comment
  POM175384  Chaenactis santolinoides West 1930-7-12 s.n. Los Angeles Near north Baldy Peak. Comment
  RSA660076  Chaenactis stevioides Orlando Mistretta 1992-5-25 418 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA351848  Chaenactis xantiana Anstruther Davidson, Hasse 1906-6-9 1462 Los Angeles Big Rock Creek. Comment
  RSA772308  Chaenactis xantiana R. G. Swinney 2009-4-28 10539 Los Angeles summit of Mt. Emma 1585 Comment
  SBBG65621  Chaenactis xantiana R. Hoffmann 1929-5-21 Los Angeles Lake Hughes Comment
  UCR186887  Chaenactis xantiana A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32033 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  VVC2832  Chaenactis xantiana Tim Thomas, P. J. MacKay 2014-4-24 6270 C Los Angeles Tehachapi Mtns, 2 miles East of Gorman on Gorman Post Rd. 1549 Comment
  SDSU21096  Chamaesyce albomarginata Ian Cain, Bruce Lund 2010-5-10 1406 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  SEINET6053202  Chamaesyce albomarginata Unknown 1953-10-15 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA591662  Chamaesyce maculata L. C. Wheeler 1966-9-21 8895 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  SJSU4462  Chamaesyce polycarpa H. R. Garrett 1962-4-15 Los Angeles Shady Cove Dr, Burbank Comment
  UC56928  Chamaesyce serpyllifolia Miss E. D. Palmer July 1902 Los Angeles Claremont Comment
  RSA549173  Cheilanthes covillei T. S. Ross, Peter Fritsch 1990-6-20 3692 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  POM156540  Cheilanthes covillei L. R. Abrams 1902-7-1 2626 Los Angeles [San Gabriel Mountains] Little Santa Anita Canyon, rock crevices. Comment
  UC1584272  Chenopodium album Tim Ross and Steve Boyd 1990-6-6 2853 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad, San Francisquito Canyon 926 Comment
  UCR259942  Chenopodium berlandieri R. G. Swinney 2010-4-13 12211 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA9762  Chenopodium botrys L. C. Wheeler 1933-7-7 1924 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA771643  Chenopodium californicum R. G. Swinney 2009-5-13 10796 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA533921  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5240 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  SEINET6654078  Chenopodium hians Rick Jellen 2010-8-17 1004 Los Angeles Angeles Forest Hwy, 1.4 mi NE Mill Creek Summit.; 0 1880 Comment
  POM294054  Chenopodium multifidum Lyman Benson 1945-10-22 11899 Los Angeles Claremont. 335 Comment
  POM48089  Chenopodium multifidum J. B. Feudge 1923-7-1 70 Los Angeles Hermosa Beach. 6 Comment
  RSA478524  Chenopodium multifidum L. C. Wheeler 1934-2-17 2384 Los Angeles Pacific Electric Station, San Dimas. 244 Comment
  RSA478528  Chenopodium multifidum F. R. Fosberg 1930-6-30 S 3054 Los Angeles Del Rey. 10 Comment
  SFV1090  Chenopodium murale K. A. Wilson 1961-2-21 872 Los Angeles San Fernando Valley Los Angeles, Northridge. San Fernando Valley State College campus. Weedy field and edges of orange grove. 260 Comment
  POM2204  Chorizanthe staticoides L. R. Abrams 1901-05 1708 Los Angeles Los Tunas Canyon, Santa Monica Mountains. 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
  RSA567255  Chorizanthe staticoides subsp. staticoides Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3866 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0087031  Chorizanthe xanti var. xanti R. G. Swinney 2010-6-1 13079 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SEINET3146234  Chrysanthemum frutescens G. B. Grant 1905-4-2 176 Los Angeles Pasadena Comment
  POM18986  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1923-8-31 784 Los Angeles ridge south of Swartout Valley 2499 Comment
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Dec 23 2014
  RSA594193  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd, Lauren Raz 1996-10-14 9096 Los Angeles Liebre Mountains region, extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 991 Comment
  SFV6452  Chylismia claviformis T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 205 a Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  RSA603795  Cirsium occidentale L. C. Wheeler 1936-6-21 4167 Los Angeles Palmer Canyon, San Gabriel Mts. 701 Comment
  UCR271187  Cirsium occidentale R. G. Swinney 2011-7-8 15471 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
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Jan 24 2017
  CAS-BOT-BC285404  Cirsium occidentale var. californicum Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3716 Los Angeles San Gabriel Mountains. Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  LA34838  Cirsium occidentale var. californicum Mary V. Hood; 1942-12-16 42 97 k* Los Angeles 144 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
  IRVC26282  Cirsium occidentale var. occidentale Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2912 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  UC1211148  Cirsium occidentale var. occidentale Huron H. Smith 1912-5-26 5004 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 30 Comment
  RSA593489  Cirsium occidentale var. venustum Steve Boyd, Orlando Mistretta, Valerie L. Sosa 1996-6-12 8841 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  RSA791868  Cissus hypoglauca Robert F. Thorne 1977-7-6 49641 Los Angeles Claremont. Comment
  RSA584951  Cistanthe monandra Timothy S. Ross, Steve Boyd 1991-4-25 4586 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River). 731 Comment
  RSA595622  Cistanthe monandra L. C. Wheeler 1967-5-9 9383 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA653909  Cistanthe monandra Valerie L. Soza, Laura Moore 2000-5-10 849 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 563 Comment
  UCR199601  Cistus creticus Scott D. White, J. Wood 2008-5-7 11942 Los Angeles Puente/Chino Hills, SCE powerline corridor, east of 57 fwy and south of Diamond Bar 274 Comment
  RSA651380  Cistus ladanifer T. Strid, K. Montgomery 1972-4-29 s.n. Los Angeles L.A.S.C.A. Fire Plot, Dillon Divide. 914 Comment
  LA200701  Clarkia bottae Sharon Johnston; 1957-5-14 35 Los Angeles Santa Monica Mountains, Mulholland Road, 6.0 mi W of Fire Station 396 Comment
  CAS-BOT-BC172252  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mile north of Newhall Tunnel 500 Comment
  UCR146267  Clarkia dudleyana Orlando Mistretta, Et al. 1995-6-8 1769 Los Angeles San Gabriel Mountains, Below San Gabriel Dam 366 Comment
  RSA660418  Clarkia epilobioides Orlando Mistretta 1992-5-21 391 Los Angeles Right Star Mine, S of Acton. Comment
  RSA72217  Clarkia heterandra F. W. Peirson 1922-6-3 3083 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  RSA0092453  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2011-6-23 15286 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  CAS-BOT-BC165497  Clarkia unguiculata Richard S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, San Gabriel Mts., Angeles Natl. Forest, ca. 2 mi se Newhall 518 Comment
  JEPS57331  Clarkia unguiculata L. R. Heckard 1968-5-11 1844 Los Angeles 1.3 mi below Newhall junction (along Highway 6, se of Newhall) 518 Comment
  RSA425042  Clarkia unguiculata Kathy Harper 1987-5-2 s.n. Los Angeles Santa Monica Mountains, Mulholland Hwy between Las Virgenes Valley overlook and Yerba Buena Rd. Comment
  RSA0092232  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-12 14719 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
  RSA651294  Claytonia parviflora subsp. parviflora Lori Ackerman, Gerald Braden 1988-5-20 38 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA466693  Claytonia parviflora subsp. parviflora Kenneth R. Montgomery, Thomas W. Strid 1973-4-14 73- 18 -C Los Angeles Dillon Divide, San Gabriel Mountains. Site of LASCA Cistus field plot. Comment
  JEPS43189  Claytonia parviflora subsp. viridis Frank W. Peirson 1923-5-26 3545 Los Angeles n of Rock Creek Divide; San Gabriel Mountains 2133 Comment
  CAS-BOT-BC434188  Claytonia perfoliata A. C. Sanders 2007-4-25 33559 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  RSA729519  Claytonia perfoliata R. G. Swinney 1990-7-5 7520 Los Angeles Cedar Canyon; canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5mi. west of junction of Hwy 2 Comment
  SFV15326  Claytonia perfoliata J. C. Dittes, D. Stolp 1990-3-10 35 Los Angeles San Gabriel Mountains 0.75 miles upstream of Big Tujunga flood control reservoir. 701 Comment
  RSA678773  Claytonia perfoliata subsp. mexicana V. Soza, LeRoy Gross 2002-5-8 1452 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  RSA597776  Claytonia rubra subsp. rubra Steve Boyd, Lauren Raz 1997-3-14 9170 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon. 1450 Comment
  UCR95286  Claytonia rubra subsp. rubra Steve Boyd, Orlando Mistretta 1996-5-1 8751 Los Angeles San Gabriel Mtns, Liebre Mtns, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08 1561 Comment
  RSA305987  Clematis lasiantha F. C. Boutin 1966-4-12 s.n. Los Angeles Little Tujunga Canyon road, Pacoima Canyon; extreme western Angeles National Forest, San Gabriel Mountains. Comment
  UC1605449  Clematis lasiantha Tim Ross, Steve Boyd 1993-5-23 7279 Los Angeles 430-500 m ssw of Plum Spring (between Red Mountain's long E ridge and a small peak (3227 ft), to upper Clearwater Canyon, Liebre Mountains); Liebre Mountains 874 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
  CAS-BOT-BC92639  Clematis ligusticifolia Peter H. Raven; Henry J. Thompson 1959-10-31 14728 Los Angeles Santa Monica Mountains. Madeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  RSA440784  Cleome isomeris Geo L. Moxley 1917-2-4 520 Los Angeles San Fernando Reservoir. Comment
  RSA440788  Cleome isomeris T. W. Minthorn 1924-4-1 s.n. Los Angeles Balboa Palisades. Comment
  RSA160047  Cnicus benedictus L. C. Anderson 1961-6-29 1958 Los Angeles Weed in disturbed soil along Mills Ave at Benito in Pomona. Comment
  UCR190411  Collinsia R. G. Swinney 2000-5-20 7688 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UCR264878  Collinsia bartsiifolia Mitch Provance, Callen Huff 2009-4-28 10664 Los Angeles Tehachapi Mountians, Steep slopes of the ridge overlooking Hwy I-5 about 0.5 miles NE of Gorman 1378 Comment
  JEPS14934  Collinsia bartsiifolia var. davidsonii H. M. Hall May 1 1902-May 3 1902 3062 b Los Angeles vicinity of Elizabeth Lake Antelope Valley 1066 Comment
  POM122669  Collinsia heterophylla Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA606991  Collinsia heterophylla Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  RSA0035052  Collinsia heterophylla Harold L. Pirie 1963-5-21 s.n. Los Angeles Santa Monica Mts., on Robinson Rd. off Topanga Cyn. Rd. 274 Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  SEINET2445249  Collomia grandiflora Leigh A. Johnson 1994-6-9 94 -038 Los Angeles Angeles Natl. Forest, Burnt Peak vicinity. 0.6 miles W along FS rd. 7N23 from jct. with 7N23B (2.5 miles from HWY N2 access to Upper Shake Campground).; 0 1500 Comment
  SD90276  Constancea nevinii Robert F. Thorne 1973-4-11 42829 Los Angeles San Clemente Island; upper part of Norton Canyon. 274 Comment
  POM4753  Conyza bonariensis I. M. Johnston 1917-4-11 11 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] Comment
  HSC5501  Conyza canadensis W. H. Kinch 1954-9-30 16 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  POM355841  Conyza canadensis Larry E. DeBuhr, Gary D. Wallace 1972-9-4 715 Los Angeles San Clemente Island. In seepage area below barracks at Wilson Cove. Comment
  RSA598575  Conyza canadensis L. C. Wheeler 1966-11-23 9144 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  RSA608448  Cordylanthus nevinii Louis C. Wheeler 1946-8-29 6314 Los Angeles San Gabriel Mountains: 0.1 mile SE Guffy Camp 2485 Comment
  RSA702219  Cordylanthus nevinii Scott D. White 2004-8-11 10704 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA659876  Cordylanthus rigidus subsp. setiger Orlando Mistretta 1992-8-20 776 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. 1738 Comment
  RSA412293  Cordylanthus rigidus subsp. setiger George B. Grant 1900-7-30 s.n. Los Angeles In canyons, near Glendale Comment
  SEINET2050070 Image available Coreopsis bigelovii Norman C. Cooper 1945-5-1 2129 Los Angeles Papia Park area, Santa Monica Mountains. 610 Comment
  UCR46127  Coreopsis bigelovii Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Along unpaved road from Alder Saddle to Pacifico Mtn, NW of Hwy 2 Comment
  SEINET10808309  Coreopsis calliopsidea Noel H. Holmgren, Patricia K. Holmgren 1974-4-4 Holmgren 7625 Los Angeles Mojave Desert, Antelope Valley, just southeast of Piute Butte, 17.5 airline miles east-southeast of downtown Lancaster. 762 Comment
  CAS-BOT-BC101027  Coreopsis gigantea Reid Moran 1949-2-10 3161 Los Angeles Near landing, Santa Barbara Id Comment
  RSA16865  Coreopsis gigantea C. B. Wolf 1932-5-14 s.n. Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  LA39066  Corethrogyne filaginifolia Harlan Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  RSA0081639  Corethrogyne filaginifolia R. G. Swinney 2010-9-9 13736 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SBBG60703  Corethrogyne filaginifolia R. Hoffmann 1931-10-1 Los Angeles near Oak's Garage, Mint Cyn Comment
  UC55085  Corethrogyne filaginifolia Miss E. D. Palmer Los Angeles Los Angeles Comment
  UC74040  Corethrogyne filaginifolia Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  RSA762414  Corethrogyne filaginifolia Orlando Mistretta, Christine Mistretta 2008-5-6 2698 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
  RSA93101  Corethrogyne filaginifolia var. filaginifolia F. W. Peirson 1919-10-26 1263 Los Angeles Base of San Gabriel Mountains, Rubio Canyon reservoir 549 Comment
  RSA397698  Cornus glabrata F. R. Fosberg 1931-4-24 S- 4679 Los Angeles Hamilton Canyon, Santa Catalina Island. 60 Comment
  CAS-BOT-BC212113  Cornus sericea H. M. Hall 1901-6-1 2233 Los Angeles Canyons on the west side, San Jacinto Mountains 1828 Comment
  POM11658  Cornus sericea subsp. occidentalis P. A. Munz 1921-6-18 4623 Los Angeles Head of Swartout Valley. 2073 Comment
  RSA587182  Cortaderia selloana Scott D. White 1995-12-5 3760 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UCR95170  Cotoneaster pannosus L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Santa Anita Canyon, just upstream from Winter Creek 549 Comment
  UCR213578  Cotula coronopifolia A. C. Sanders, Dan S. Cooper 2010-4-30 38163 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR252197  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
  RSA394750A  Cressa truxillensis Robert Gustafson 1980-7-9 1810 Los Angeles Ballona Wetlands, Area 3. Comment
  CATA2324  Crocanthemum greenei Amy Catalano 2015-5-8 004 Los Angeles Santa Catalina Island: Above Gallagher Beach, ca. 800 yards east of Toyon Road, near individual GC 13 164 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
  POM244221  Crossosoma californicum F. R. Fosberg 1931-4-8 S 4522 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  RSA705571  Crossosoma californicum G. D. Wallace, M. Wallace 1985-3-2 2170 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  UCR270523  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR41727  Croton californicus 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
  SBBG31069  Croton setiger R. F. Thorne 1966-9-14 36655 Los Angeles behind Ben Weston Beach 3 Comment
  SEINET13203239 Image available Cryptantha R. G. Swinney 2011-1 15247 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
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Dec 6 2018
  UCR270096  Cryptantha R. G. Swinney 2011-4-20 14437 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
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Feb 19 2020
  RSA772383  Cryptantha circumscissa R. G. Swinney 2009-5-12 10754 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1435 Comment
  RSA0094669  Cryptantha clevelandii L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  UCR256541  Cryptantha clokeyi Anuja Parikh, Nathan Gale 2011-6-22 3495 Los Angeles Transverse Range: San Gabriel Mountains, north of Iron Mountain, 1.9 km east of Angeles Forest Hwy, 0.9 km south of Monte Cristo Creek 1405 Comment
  RSA0014595  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5705 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  UCR209221  Cryptantha echinella R. G. Swinney 2008-6-17 9051 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  RSA588092  Cryptantha echinella Orlando Mistretta 1994-5-31 1261 Los Angeles Santiago canyon. N slope of Pacifico Mountain. 2073 Comment
  LA94299  Cryptantha intermedia Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA94303  Cryptantha intermedia Carl Epling; 1927-5-14 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0040378  Cryptantha intermedia R. G. Swinney 2010-5-11 12663 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
  RSA626984  Cryptantha intermedia L. C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  RSA702172  Cryptantha intermedia Michael Honer 2004-6-22 2015 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  JEPS67674  Cryptantha intermedia Frank W. Peirson 1919-2-12 320 Los Angeles Arroyo Seco San Gabriel Mountains 457 Comment
  POM305846  Cryptantha intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1096 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  POM316870  Cryptantha intermedia var. intermedia L. R. Abrams 1901-04 1203 Los Angeles Ballona Harbor Comment
  RSA0016889  Cryptantha intermedia var. johnstonii O. W. Robinson 1916-3-21 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  RSA159347  Cryptantha maritima P. H. Raven 1962-4-12 17318 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  RSA0105046  Cryptantha microstachys R. G. Swinney 2011-4-26 14482 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
  RSA499675  Cryptantha microstachys Donald R. Bissing 1973-4-20 45 Los Angeles Evey canyon. on slope above road cut 0.5 mile from canyon mouth. 744 Comment
  POM211518  Cryptantha microstachys L. C. Wheeler 1934-4-24 2541 Los Angeles Liveoak Canyon Dam 457 Comment
  UCSB5603  Cryptantha microstachys B., K. 1943-8-12 Los Angeles Bottom of Monroe Canyon, Station 20, San Dimas Experimental Forest, San Gabriel Mtns. Comment
  RSA499698  Cryptantha muricata Christopher Davidson 1973-4-6 1861 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UCR258806  Cryptantha muricata R. G. Swinney 2010-5-25 12981 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0079402  Cryptantha muricata var. jonesii R. G. Swinney 2000-6-19 7817 Los Angeles San Gabriel Mtns.: Pine Mountain, north of Azusa. 1384 Comment
  SBBG63781  Cryptantha muricata var. jonesii R. Hoffmann 1928-7-7 Los Angeles 2 mi E of Saugus Comment
  UCR73384  Cryptantha muricata var. muricata T. S. Ross 1991-8-14 5762 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  SD262227  Cryptantha nevadensis var. rigida R. G. Swinney 2014-5-7 16401 Los Angeles San Gabriel Mountains: east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-sough arroyo cutting through Holcomb Ridge (Valyermo 7.5'Q) 1280 Comment
  RSA0079044  Cryptantha pterocarya var. pterocarya LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 863 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA0079033  Cryptantha pterocarya var. pterocarya W. Wisura, E. Roeder 1992-4-21 4700 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  UCR193418  Cryptantha similis R. G. Swinney 1999-6-18 7286 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR77575  Cryptantha simulans T. S. Ross, Steve Boyd 1990-6-18 3466 Los Angeles San Gabriel Mtns., Camp Verdugo Pines and vicinity, northerly draw draining to Jackson Lake 1915 Comment
  RSA600172  Cryptantha sparsiflora Steve Boyd, Lauren Raz 1997-5-1 9664 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SEINET10625753  Cucumis melo Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2509 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  SEINET10625772  Cucurbita pepo Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3771 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  SEINET10531508  Cupressus macrocarpa David B. Dunn 1939-10-25 Dunn UMO 46526 Los Angeles Cultivated tree near Orange Dr. and Colorado Blvd. Pasadena, Calif. 274 Comment
  CHSC98203  Cuscuta californica A. C. Sanders; Andy Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft south of Magic Mountain theme park. Hills. 396 Comment
  SD39901  Cuscuta campestris Edith A. Purer 1933-10-7 5586 Los Angeles El Segundo Comment
  UC35091  Cuscuta campestris unknown 1901-9-2 Los Angeles Redondo Comment
  RSA762169  Cuscuta subinclusa Orlando Mistretta, Christine Mistretta 2008-5-6 2676 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
  UCR141579  Cycladenia humilis June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  RSA600669  Cylindropuntia echinocarpa L. C. Wheeler 1967-11-18 s.n. Los Angeles Ft. Tejon Road; 1/2 mile ESE of 106 St. East. 1005 Comment
  UC1109346  Cynodon dactylon Peter H. Raven 1962-4-12 17342 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 45 Comment
  UCR209624  Cynodon dactylon R. G. Swinney 2008-12-2 9909 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR62096  Cyperus difformis R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, in Big Dalton Canyon 366 Comment
  RSA776736  Cyperus eragrostis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11678 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UC2026508  Cyperus involucratus Louis C. Wheeler 1946-11-10 6442 a Los Angeles ROSEMEAD: Rio Hondo at Garvey Avenue. Comment
  UCR272916  Cyperus odoratus Steven A. Junak 2000-10-12 SCa- 1409 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  SD233691  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand, et al 2002-8-6 25552 Los Angeles Santa Clara river Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  RSA609108  Datura wrightii Louis C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  UCR86830  Datura wrightii Scott D. White 1995-4-27 2953 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  SBBG107224  Deinandra clementina J. Rebman, J. Dunn 1996-4-29 3117 Los Angeles between Eel Cove and Eel Cove Cyn 7 Comment
  SDSU19661  Deinandra clementina Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas, Mike Walgren 2000-7-19 2189 Los Angeles San Clemente Island, ca. 0.2 mile south from the end of road that runs south from Eel Point. 69 Comment
  UC1215125  Deinandra clementina Peter H. Raven 1962-7-12 18038 Los Angeles above North Head; San Clemente Island Comment
  SD52901  Deinandra fasciculata Peter H. Raven 1962-7-10 17963 Los Angeles San Clemente Island; summit of island above Wilson Cove. 135 Comment
  SFV3975  Deinandra fasciculata R. L. Armacost 1959-6-3 1166 Los Angeles Santa Monica Mountains Mulholland Drive. Comment
  UC303958  Deinandra fasciculata Geo. B. Grant 1901-9-1 1694 Los Angeles Pacific shore Comment
  SBBG61023  Deinandra kelloggii R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  UC467790  Delphinium cardinale J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  RSA771589  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR277245  Delphinium parishii R. G. Swinney 2011-4-19 14393 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA398699  Delphinium parishii T. H. Holmes 1933-4-22 s.n. Los Angeles Mohave Desert Comment
  SBBG71718  Delphinium parishii subsp. pallidum R. Hoffmann 1929-5-22 Los Angeles hills above Elizabeth Lake Comment
  RSA131040  Delphinium parryi Percy C. Everett, E. K. Balls 1959-6-2 23833 Los Angeles 1 mi NE of entrance to Stokes Canyon, Santa Monica Mts. 229 Comment
  RSA398741  Delphinium parryi Unspecified s.n. Los Angeles Milard's Canyon [Millard Canyon]. Comment
  SD37294  Delphinium parryi H. Ritter 1931-4-26 Los Angeles Open ground near Pasadena Comment
  RSA398715  Delphinium parryi H. Twining 1906-05 s.n. Los Angeles Elysian Park, Foothills Comment
  RSA398733  Delphinium parryi subsp. parryi I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  RSA599880  Delphinium parryi subsp. parryi Steve Boyd, Lauren Raz 1997-5-6 9725 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCD96559  Delphinium patens subsp. hepaticoideum James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles San Gabriel Mts., Angeles National Forest, Trail Canyon, off of Big Tujunga Cyn Rd. About 1 mile up the trail. Comment
  RSA0030029  Delphinium patens subsp. montanum Tim S. Ross 1993-5-16 7148 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. 1329 Comment
  SD84842  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles Channel Islands, San Clemente Island Comment
  UC112890  Dendromecon harfordii Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  LA45836  Dendromecon rigida Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  SEINET3507397 Image available Dentaria californica C. Francis Shutts 1949-2-14 3 Los Angeles Little Dalton Canyon. Pacific drainage area. Comment
  SBBG72174  Descurainia incisa Anstruther Davidson -Jul-1893 Los Angeles Big Rock Crk Comment
  HSC6711  Descurainia pinnata C. E. Fellows 1965-4-19 19 Los Angeles Community of Llano, SW corner at intersection of Hwy. 138 and Victorville cutoff; high, S Mojave Desert Comment
  SBBG53163  Descurainia pinnata S. A. Junak 1978-4-15 SCa 13 Los Angeles N side of Cherry Harbor Comment
  UCR264068  Descurainia pinnata John F. Green 2008-3-26 308- 08 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  CAS-BOT-BC43348  Descurainia pinnata subsp. glabra Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. 670 Comment
  SD31163  Descurainia pinnata subsp. halictorum Edith A. Purer 1931-2-21 154 Los Angeles Palos Verdes Hills Comment
  UC1234805  Desmazeria rigida Peter H. Raven 1962-5-22 17826 Los Angeles Santa Catalina Island, near mouth of Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  UCR201830  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  RSA660169  Dicentra chrysantha Orlando Mistretta 1992-5-25 437 Los Angeles Transverse Ranges; San Gabriel Mountains region: Fenner Canyon Conservation Camp, Between camp boundary and water tower. Comment
  UC120102  Dicentra ochroleuca unknown 1892-3 Los Angeles Santa Monica Ranch Comment
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Dec 24 2007
  RSA0087026  Dichelostemma capitatum R. G. Swinney 2010-3-18 11968 Los Angeles 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
  CAS-BOT-BC499437  Dichelostemma capitatum Carl B. Wolf 1932-5-9 3461 Los Angeles small hill; Santa Catalina Island, Jct. of Skyline Drive & Pebbly Beach Road 30 Comment
  RSA188174  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-5 35820 Los Angeles Santa Catalina Island. Slope above Cottonwood Canyon Beach. 107 Comment
  RSA652081  Dichelostemma capitatum subsp. capitatum Frank W. Hedges 1948-5-9 sn Los Angeles One mile north of San Dimas Dam, on side of canyon road. 304 Comment
  UCR68918  Dichelostemma capitatum subsp. capitatum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4225 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  HSC3087  Dichelostemma capitatum subsp. capitatum C. S. Apperson 1966-5-2 Los Angeles 6 mi. from Gorman, E on Hwy. 138 Comment
  RSA376826  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1948-11-29 7365 Los Angeles Mirquito Ridge Comment
  RSA376854  Dichelostemma capitatum subsp. capitatum M. Bisbee 1917-4-15 42 Los Angeles East hills of Eagle Rock Valley Comment
  RSA376858  Dichelostemma capitatum subsp. capitatum Thekla Mohr s.n. Los Angeles Los Angeles Comment
  SBBG54554  Dichelostemma capitatum subsp. capitatum R. Dudleston 1969-4-29 11 Los Angeles San Gabriel Mtns 571 Comment
  LA201626  Dichelostemma capitatum subsp. pauciflorum Arthur C. Gibson; 2001-4-20 4233 Los Angeles SANTA MONICA MOUNTAINS, Mountclef Ridge, Wildwood Regional Park, Thousand Oaks, Santa Rosa Trail. Comment
  UCR48959  Digitaria sanguinalis A. C. Sanders 1987-7-22 7167 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CAS-BOT-BC153187  Diplacus johnstonii Abrams 1906-6-15 6688 Los Angeles Summit Mt. Wilson Comment
  SBBG66683  Diplacus puniceus F. R. Fosberg 1932-5-5 8105 Los Angeles hill N of Avalon 40 Comment
  CAS-BOT-BC195618  Distichlis spicata Roxana S. Ferris 1918-6-12 894 Los Angeles Between Oban and Lancaster 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
  SBBG17297  Dodecatheon clevelandii subsp. clevelandii K. A. Wilson 1961-3-12 1016 Los Angeles Decker Rd jct of W portion of Mulholland Hwy 457 Comment
  UC1348883  Dodecatheon clevelandii subsp. insulare Robert F. Thorne and Reed C. Rollins, Doug Propst, R. Carolin 1967-3-18 36745 Los Angeles in enclosure on grassy slope above lower end Bulrush Canyon; Santa Catalina Island 243 Comment
  RSA461353  Dodecatheon clevelandii subsp. insulare Reid V. Moran 1941-2-16 571 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA230229  Dodecatheon redolens Robert F. Thorne 1969-7-2 38336 Los Angeles San Gabriel Mountains, Angeles National Forest; c. 1.8 miles S of Dawsons saddle on Angeles Crest Highway. (NW slope of Mt. Hawkins) 2271 Comment
  RSA286782  Draba albertina R. F. Thorne, Larry E. DeBuhr 1974-6-28 44748 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  RSA66174  Draba cuneifolia var. integrifolia F. W. Peirson 650 Los Angeles Sycamore Canyon, San Rafael Hills. Comment
  RSA660414  Drymocallis glandulosa var. viscida Orlando Mistretta 1992-5-21 382 Los Angeles Right Star Mine, S of Acton. Comment
  UC62801  Dryopteris arguta Mrs. Brandegee June 1895 Los Angeles Lyonothamnus Grove Santa Catalina Isl. Comment
  UCSB8232  Dryopteris arguta Ballard 1954-5-27 Los Angeles Little Dalton Canyon. 350 Comment
  RSA517127  Dryopteris arguta Tim Ross, Steve Boyd 1990-5-14 2500 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 988 Comment
  RSA670383  Dryopteris arguta I. W. Clokey, B. C. Templeton 1929-05 4539 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA693701  Dryopteris arguta Albert J. Perkins 1912-12-22 s.n. Los Angeles Big Santa Anita Canyon, Sierra Madre Comment
  RSA423501A  Dudleya cymosa subsp. pumila L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest Comment
  RSA229715  Dudleya lanceolata R. F. Thorne, C. W. Tilforth 1969-6-26 38201 Los Angeles Big Rock Creek Canyon at Sycamore flat campground, SW slope of Pinyon Ridge 1295 Comment
  SFV22018  Dudleya lanceolata V. Soza, L. Gross, A. Munoz 2000-5-12 896 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 of ridgetop. 488 Comment
  CAS-BOT-BC411385  Dudleya lanceolata LeRoy Abrams 1902-6-15 2546 Los Angeles Sepulveda Canyon, Santa Monica Comment
  CAS-BOT-BC411394  Dudleya lanceolata Joseph Andorfer Ewan 1932-6-29 7560 Los Angeles 1/2 mile N of El Segundo Comment
  CAS-BOT-BC428407  Dudleya lanceolata K. Nakai 1978-5-4 376 Los Angeles Santa Monica Mountains, Santa Ynez Cyn. 2286 Comment
  RSA642508  Dudleya multicaulis D. E. Bramlet 1980-5-5 351 Los Angeles Johnson's Pasture. 671m northeast of the end of Mountain Ave. and 670m north of LaVerne Peak. The upper drainage of Gail Cyn., adjacent to the existing N-S dirt acess road. 640 Comment
  POM217115  Dudleya pulverulenta L. C. Wheeler 1935-4-25 3443 Los Angeles Placerita Canyon. 457 Comment
  SD129825  Dudleya virens Katherine Brandegee Unknown Los Angeles San Clemente Island. Comment
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Sep 9 2014
  RSA83353  Dudleya virens F. W. Peirson 1923-4-9 3487 Los Angeles San Clemente Island: at Middle Ranch Comment
  UCR210684  Dysphania ambrosioides R. G. Swinney 2008-10-22 9670 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
  UCR20372  Dysphania multifida Freda Detmers 1931-6-23 s.n. Los Angeles Orchard Street, Los Angeles 61 Comment
  CAS-BOT-BC197025  Echinochloa colona T. C. Fuller 1967-1-23 15435 Los Angeles Landscaping of the San Diego Freeway, s.e. corner of Church Lane & Montana Ave., n.w. of Westwood Comment
  RSA727261  Echinochloa crus-galli T. B. Salvato, Sarah Flack 2007-8-8 3033 Los Angeles San Gabriel Mtns: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2012 Comment
  UCR197082  Ehrharta erecta LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2828 Los Angeles Transverse Ranges; Verdugo Mountains, southeast side of the San Rafael Hills, behind a power substation below dam wall of a small pond, at end of Wierfield Drive 305 Comment
  UCR98825  Elaeagnus angustifolia T. S. Ross, Steve Boyd 1990-6-18 3496 Los Angeles San Gabriel Mtns., Big Pines Hwy: roadside c. 900 m ESE from Jackson Lake, just on the west side of upper Mescal Creek drainage 1878 Comment
  RSA611913  Eleocharis bella L. C. Wheeler 1934-5-14 2593 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  POM1380  Eleocharis radicans I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  RSA108484  Elymus X gouldii Frank W. Gould 1944-5-7 2333 Los Angeles Grassy roadside, under large Eucalyptus trees; just west of juncction of Imperial Highway and Firestone Blvd. (near Compton). Comment
  CAS-BOT-BC227501  Elymus elymoides A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton Comment
  RSA645704  Elymus elymoides A. C. Sanders, E. J. Lott 1993-5-6 13956 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F''., (34 deg 45'N, 118 deg 09'W; [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 701 Comment
  RSA773281  Elymus elymoides R. G. Swinney 2009-5-20 10815 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA632444  Elymus elymoides subsp. elymoides L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  SEINET263602  Elymus glaucus R. L. Lingenfelter, GD Brown 1962-6-6 1163 Los Angeles Angeles National Forest ; Little Gleason Canyon Comment
  SEINET954732  Elymus glaucus A. C. Sanders 2003-1 26249 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  RSA188521  Elymus glaucus subsp. glaucus R. F. Thorne, John Olmsted 1965-8-26 35385 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  UCR210156  Elymus hispidus R. G. Swinney 2008-7-24 9355 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
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May 11 2012
  SD237266  Elymus ponticus R. G. Swinney 2008-6-17 9025 Los Angeles San Gabriel Mountains: 2.3 mi. north of Hwy 2 at Vincent Gap Pinyon Ridge Motorway. 1992 Comment
  UCR180240  Elymus triticoides Scott D. White, Andrea Warniment 2006-7-7 11612 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  UCR204055  Elymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA232279  Elytrigia intermedia subsp. intermedia R. F. Thorne 1969-7-10 38400 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  UCR157501  Elytrigia pontica Scott D. White 1994-7-18 2267 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Canyon Road 488 Comment
  CDA40331  Emmenanthe penduliflora T. C. Fuller 1962-4-1 8171 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  POM199694  Emmenanthe penduliflora I. W. Clokey, Bonnie C. Templeton 1929-04 4497 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA640378  Encelia actoni L. C. Wheeler 1967-5-23 9688 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  RSA781015  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  CATA1120  Encelia californica Mark L. Hoefs 1995-5-23 2085 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA639169  Ephedra nevadensis L. C. Wheeler 1967-5-31 9797 Los Angeles San Gabriel Mountains: Just over the rise immediately west of Caldwell Lake. . Comment
  SD262147  Ephedra nevadensis R. G. Swinney 2014-4-18 16134 Los Angeles San Gabriel Mountains;NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. EmmaRd., to 75 m south of road (Palmdale 7.5'Q) 908 Comment
  RSA649693  Ephedra viridis Michael Horn 1991-5-7 28 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
  UCR194184  Epilobium R. G. Swinney 1998-7-29 6534 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
  UCR124724  Epilobium canum B. C. Templeton 1932-8-25 5070 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC166249  Epilobium canum subsp. canum L. R. Abrams 1913-7-18 5019 Los Angeles Russels Lake Comment
  CAS-BOT-BC166280  Epilobium canum subsp. canum Martha Hilend 1930-10-15 s.n. Los Angeles U.C.L.A. campus, West Los Angeles Comment
  LA105126  Epilobium canum subsp. canum Barry A. Prigge; 1988-7-3 8245 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
  UC56482  Epilobium canum subsp. canum Miss E. D. Palmer Nov. 1901 Los Angeles Los Angeles Comment
  RSA588514  Epilobium canum subsp. latifolium F. R. Fosberg 1931-8-12 5467 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA0113228  Epilobium ciliatum R. G. Swinney 2010-9-30 13925 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
  RSA311280  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1969-7-2 38295 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA529917  Epilobium densiflorum Tim S. Ross 1991-8-16 5824 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA600430  Epilobium paniculatum Louis C. Wheeler 1932-8-28 1306 Los Angeles San Jose Hills: 1/4 mile N of Puddingstone Dam. 274 Comment
  UC72222  Epipactis gigantea C. J. Fox May 1903 Los Angeles near Glendale Comment
  UCR189851  Epipactis gigantea R. G. Swinney 1998-7-21 6474 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  SEINET3865658 Image available Equisetum hyemale subsp. affine Timothy S. Ross, Steve Boyd 1994-5-24 7841 Los Angeles Flora of the Liebre Mountains. 'Cottonwood Swamp': Confluence of San Francisquito Canyon stream and two tributaries drainging off the southeast slops of Red Mountain. Warm Springs Mountain. 7.5' USGS Quadrangle.; 0 512 Comment
  SBBG131719  Equisetum laevigatum S. A. Junak 1999-5-21 SCa 980 Los Angeles Coffee Pot Cyn, just upstream from rd crossing 405 Comment
  RSA684718  Equisetum telmateia var. braunii M. B. Dunkle 1931-4-22 2458 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  SEINET4178262 Image available Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 Miles North Claremont 411 Comment
  RSA597976  Eragrostis mexicana subsp. virescens L. C. Wheeler 1947-5-31 6509 Los Angeles Arrow Highway north of Baldwin Park (Santa Fe Inn). Comment
  UC868832  Eremocarpus setiger L. W. Nuttall 284 Los Angeles Santa Catalina Island Comment
  RSA421760  Eremocarpus setiger Larry E. DeBuhr, Gary D. Wallace 1972-9-3 706 Los Angeles San Clemente Island, on top of Thirst Peak. 579 Comment
  CAS-BOT-BC512644  Eriastrum densifolium subsp. austromontanum H. E. Hasse 1893-8-20 s.n. Los Angeles At Acton and in the mountains Comment
  RSA188301  Eriastrum filifolium R. F. Thorne 1966-6-2 36527 Los Angeles Santa Catalina Island: Ridge top between Moonstone and White Coves 30 Comment
  UCR231914  Eriastrum rosamondense Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7993 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
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Mar 29 2014
  JEPS68718  Eriastrum sapphirinum Annie M. Alexander and Louise Kellogg 1939-6-26 849 Los Angeles Mint Canyon Comment
  JEPS69421  Eriastrum sapphirinum Ralph Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  JEPS123263  Eriastrum sapphirinum David Gowen 2005-5-11 308 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210th St. West. Comment
  RSA93254  Ericameria cuneata var. cuneata F. W. Peirson 1918-10-10 222 Los Angeles Falls in Rubio Canyon 762 Comment
  SDSU3907  Ericameria ericoides F. Young Berg 2835 Los Angeles Vacant lot east of Eli p. Clark Hall, Pomona College, Claremont. Comment
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Feb 6 2016
  CHSC26105  Ericameria linearifolia Emese M. Sajo 1966-5-21 97 Los Angeles On the Silver Moccasin Trail between Charton and Chilao in the San Gabriel Mountains. 1615 Comment
  POM359389  Ericameria linearifolia J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  RSA628867  Ericameria linearifolia L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UC1536848  Ericameria linearifolia G. H. True Jr. 1935-3-28 184 Los Angeles w Littlerock 914 Comment
  UC1871241  Ericameria linearifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5038 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UCR186662  Ericameria linearifolia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32069 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, between Hwy 138 and the California Aqueduct 1037 Comment
  SFV3829  Ericameria nauseosa var. mohavensis M. L. Vincent 1962-10-4 291 Los Angeles San Gabriel Mountains Pallett Creek Road, 1 mile south of Valyermo Road. 1145 Comment
  RSA748464  Ericameria nauseosa var. oreophila R. G. Swinney 2001-8-27 8097 Los Angeles Throop Peak, west of Mt. Baden-Powell 2780 Comment
  UC55131  Ericameria palmeri var. pachylepis E. B. Babcock 1902-11-1 Los Angeles near Pomona Comment
  CAS-BOT-BC131657  Ericameria parishii var. parishii Geo. L. Moxley 1914-9-7 275 a Los Angeles Trail to Switzer's camp, ridge above [Arroya] Arroyo Seco Comment
  LA32043  Ericameria parishii var. parishii Henry J. Thompson; 1958-10-22 1811 Los Angeles SANTA MONICA MOUNTAINS, Mt. Hollywood, Griffith Park, just N of Mt. Hollywood. 380 Comment
  CAS-BOT-BC293146  Ericameria pinifolia F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  RSA605431  Ericameria pinifolia L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  RSA652958  Ericameria pinifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23287 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watershed. 686 Comment
  UCR54514  Ericameria pinifolia S. J. Myers 1988-11-15 s.n. Los Angeles Soledad Canyon, Santa Clara River at Lang Crossing 488 Comment
  OBI26285  Erigeron canadensis Mark Schneider 1974-1-8 s.n. Los Angeles Pierce College Hort. Unit 244 Comment
  CAS-BOT-BC296170  Erigeron foliosus var. foliosus J. Grinnell 1903-6-27 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  RSA702971  Erigeron foliosus var. foliosus Scott D. White, Pam De Vries 2004-5-18 10412 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
  UCR145468  Erigeron foliosus var. foliosus L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., north side of Burkhart Saddle 2104 Comment
  UC31478  Erigeron foliosus var. franciscensis J. H. Barber 1897-4-9 Los Angeles Santa Monica Canon Comment
  LA211884  Erigeron foliosus var. stenophyllus Orlando Mistretta; 1992-7-13 681 Los Angeles SAN GABRIEL MOUNTAINS, Los Pinetos Spring Canyon Trail. Comment
  RSA785589  Eriodictyon crassifolium Doris Bowers 1957-5-12 905 Los Angeles Arroyo Seco, Pasadena. 457 Comment
  CAS-BOT-BC189117  Eriodictyon crassifolium var. crassifolium Dr. H. E. Hasse 1890-7-1 s.n. Los Angeles Laurel Canon [Canyon], Santa Monica Range Comment
  POM3808  Eriodictyon crassifolium var. crassifolium W. R. Dudley, F. H. Lamb 1896-6-8 4343 Los Angeles Kings Canyon, Liebre Mts. Comment
  SBBG17023  Eriodictyon crassifolium var. nigrescens K. A. Wilson 1962-5-10 1265 Los Angeles Placerita Cyn Rd, ca. 2 mi E of Hwy 6 Comment
  CAS-BOT-BC188953  Eriodictyon parryi Le Roy Abrams 1908-7-2 577 Los Angeles Rock Creek, San Gabriel Mountains 1676 Comment
  SBBG33448  Eriodictyon parryi A. D. E. Elmer -Jun-1902 3643 Los Angeles Acton Comment
  SD53043  Eriodictyon traskiae Peter H. Raven 1962-5-20 17787 Los Angeles Santa Catalina Island; above White's Landing on Airport Road. 427 Comment
  CHSC95357  Eriodictyon trichocalyx var. trichocalyx L. P. Janeway 2006-6-8 8676 Los Angeles San Gabriel Mountains. South slope of Blue Ridge near Angeles Crest Hwy, about 1.4 air km northeast of Vincent Gap. 2079 Comment
  RSA455059  Eriodictyon trichocalyx var. trichocalyx N. C. Cooper 4212 Los Angeles Angeles Crest Highway Comment
  RSA658844  Eriodictyon trichocalyx var. trichocalyx J. S. Burns 1992-5-11 15 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  RSA784560  Eriogonum angulosum Elizabeth A. Kempton, Eric Paul 2006-6-11 386 Los Angeles Tick Canyon. 538 Comment
  UCR95374  Eriogonum angulosum Steve Boyd, Lauren Raz 1996-10-8 9025 Los Angeles Liebre Mtns. region, Hills at E edge of Mint canyon, along Davenport Road, c. 0.45 mi east of jct with Sierra Hwy. 622 Comment
  CAS-BOT-BC241589  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-6-1 3667 Los Angeles Acton Comment
  RSA730173  Eriogonum baileyi var. baileyi R. G. Swinney 1998-9-4 6884 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  SEINET1004569  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-1 3003 Los Angeles Santa Clarita Valley: Newhall Ranch, mouth of Castaic Creek, S of SR 126. 290 Comment
  UCR127663  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2002-6-20 25255 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA393138  Eriogonum cinereum L. B. Ware 1971-4-23 s.n. Los Angeles Tuna Canyon, east side 1829 Comment
  CAS-BOT-BC242772  Eriogonum davidsonii I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains, Brown's Flats 1310 Comment
  UC184250  Eriogonum davidsonii A. D. E. Elmer June, 1902 3713 Los Angeles Acton Comment
  UC1871126  Eriogonum davidsonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4819 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
  SEINET11937892  Eriogonum davidsonii M. T. Doutt 1931-1 649 Los Angeles Sierra Madre Mts, trail between Mt. Lowe and Mt. Nelson 1768 Comment
  UCR217818  Eriogonum elongatum Dan S. Cooper 2010-8-26 810- 96 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  UC6279  Eriogonum elongatum var. elongatum W. H. Brewer 1861-1-12 129 Los Angeles San Gabriel Comment
  UCR198324  Eriogonum fasciculatum Gary Kovnat, LeRoy Gross 2003-1-19 01 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  RSA0081127  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-6-1 13117 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  UCR223284  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-23 11381 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
  CAS-BOT-BC253258  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd 1994-9-20 8228 Los Angeles Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road, Liebre Mountains 902 Comment
  CAS-BOT-BC253276  Eriogonum fasciculatum var. foliolosum Elmer I. Applegate 1931-11-2 6832 Los Angeles Along main highway to Mojave, Mint Canyon Comment
  CDA14297  Eriogonum fasciculatum var. foliolosum A. Overturf 1989-12-28 s.n. Los Angeles Transverse Ranges; Mt. Wilson, near summit. 1676 Comment
  LA206854  Eriogonum fasciculatum var. foliolosum J. A. Ewan; 1931-8-3 4801 Los Angeles San Gabriel Mountains, Strawberry Peak 1615 Comment
  POM187605  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-10-11 5238 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  RSA598266  Eriogonum fasciculatum var. foliolosum R. G. Swinney 1989-11-24 1474 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 442 Comment
  UC1211165  Eriogonum giganteum Huron H. Smith 1912-7-2 5170 Los Angeles White's Beach Landing Santa Catalina Isl., White's Beach Landing 7 Comment
  CAS-BOT-BC253444  Eriogonum gracile Geo. D. Abrams 1901-9-1 s.n. Los Angeles Bolona Harbor Comment
  IRVC26924  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River Santa Clarita Valley 305 Comment
  RSA610549  Eriogonum gracile var. gracile Louis C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Whitney Canyon. 976 Comment
  UCR281973  Eriogonum maculatum R. G. Swinney 2014-4-18 16113 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
  UCR98744  Eriogonum maculatum T. S. Ross, Steve Boyd 1990-6-18 3502 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  CAS-BOT-BC269771  Eriogonum nudum var. pauciflorum G. J. Goodman; C. L. Hitchcock 1930-7-28 1719 Los Angeles S. slope of Mt. San Antonio 2438 Comment
  HSC79869  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd 372 Comment
  SBBG125875  Eriogonum roseum A. Parikh, N. Gale 2010-6-4 3258 Los Angeles Sierra Pelona, 2.9 km W of State Hwy 14, 1.2 km S of Avenue S; E Liebre Mtns 995 Comment
  CAS-BOT-BC267603  Eriogonum saxatile Le Roy Abrams 1901-7-1 1921 Los Angeles Mt. San Antonio Comment
  RSA424901A  Eriogonum saxatile Anstruther Davidson s.n. Los Angeles Top Mt. San Antonio [Los Angeles - San Bernardino counties]. Comment
  UCR209980  Eriogonum saxatile R. G. Swinney 2008-7-24 9292 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  CAS-BOT-BC267578  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-29 2611 Los Angeles Ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit, San Gabriel Mountains 1767 Comment
  JEPS97064  Eriogonum thurberi unknown 1928-7-7 Los Angeles 3 mi W of Castaic (Little Martinez Creek) Comment
  RSA65954  Eriogonum umbellatum var. canifolium F. W. Peirson 1929-7-1 8446 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  RSA601842  Eriogonum umbellatum var. munzii Steve Boyd, Tim S. Ross, Laura Moore, Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1585 Comment
  RSA660087  Eriogonum umbellatum var. munzii Orlando Mistretta 1992-5-25 430 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  CAS-BOT-BC264875  Eriogonum viridescens Ernest C. Twisselmann 1957-8-13 3961 Los Angeles Western end of Antelope Valley 792 Comment
  CAS-BOT-BC264998  Eriogonum wrightii var. subscaposum John Thomas Howell 1947-7-18 23397 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA228909  Eriogonum wrightii var. subscaposum Robert F. Thorne 1971-8-25 41291 Los Angeles San Gabriel Mountains, Angeles National Forest: Windy Gap on trail from Little Jimmy Springs 2677 Comment
  UC729481  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles on road to Little Rock 8 mi below Big Pines Park; San Gabriel Mts. 1371 Comment
  UCR186471  Eriophyllum ambiguum T. B. Salvato 2007-4-27 2099 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  RSA526061  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4159 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA526559  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SEINET11850716  Eriophyllum confertiflorum C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  LA203549  Eriophyllum confertiflorum var. confertiflorum A. M. Johnson; 1933-5-17 4287 Los Angeles Azusa flats Comment
  LA203575  Eriophyllum confertiflorum var. confertiflorum Philip A. Munz; 1932-5-17 12644 Los Angeles 1 mi. N of Claremont 396 Comment
  POM357902  Eriophyllum confertiflorum var. confertiflorum Anstruther Davidson 1918-8-1 3093 Los Angeles San Gabriel Mountains. Comment
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Mar 6 2015
  SBBG17979  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1963-4-9 5558 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  POM175388  Eriophyllum confertiflorum var. confertiflorum West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA249758  Eriophyllum pringlei R. F. Thorne, C. W. Tilforth 1973-4-20 s.n. Los Angeles San Gabriel Mountains. 1143 Comment
  RSA596166  Eriophyllum wallacei L. C. Wheeler 1967-5-12 9455 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA748193  Erodium botrys Scott D. White, Justin M. Wood 2009-5-6 12673 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  HSC8500  Erodium cicutarium T. L. Ackerman 1964-3-29 21 Los Angeles 1 mi. S of Kern Co. line on Hwy. 99 Comment
  LA200509  Erodium cicutarium C. L. Hogue; 1954-5-4 sn Los Angeles Santa Monica Mountains, off Mulholland Drive Comment
  UC557788  Erodium cicutarium Nell Murbarger Apr 1936 212 Los Angeles s end San Clemente Island Comment
  UCD103188  Erodium cicutarium Geoffrey Levin 1974-4-22 24 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Comment
  RSA248861  Erodium moschatum Robert F. Thorne 1973-4-11 42845 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  CAS-BOT-BC40701  Erysimum capitatum A. D. E. Elmer 1902-6-1 3699 Los Angeles Mount Gleason. Acton. Comment
  UCSB33652  Erysimum capitatum var. capitatum Miller, Brian 1960-7-20 Los Angeles Charlton Flats, San Gabriel Mountains 1981 Comment
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Oct 29 2014
  RSA524195  Erysimum capitatum var. capitatum Timothy S. Ross, Steve Boyd 1990-6-6 2888 Los Angeles Piru Pond: Los Padres National Forest. 645 Comment
  POM547  Erysimum suffrutescens L. R. Abrams 1901-04 1200 Los Angeles Ballona Harbor, Los Angeles Comment
  UC205851  Erysimum suffrutescens S. B. Parish 1918-6-5 11881 Los Angeles dunes Playa del Rey Comment
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Oct 28 2009
  SD107834  Erythranthe cardinalis Mark Hoefs 1973-6-5 342 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon; stream bed by main road 22 Comment
  SD217385  Erythranthe floribunda Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4291 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  UC855142  Eschscholzia caespitosa Ira W. Clokey, B. Templeton 1929-4-9 4473 Los Angeles Mandeville Canyon Santa Monica Mountains (ridge) 400 Comment
  RSA599691  Eschscholzia caespitosa Louis C. Wheeler 1936-6-8 4124 Los Angeles San Gabriel Mountains: Tan Bark Flat, San Dimas Canyon. 854 Comment
  UC187404  Eschscholzia californica Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  SEINET10313730  Eschscholzia californica I. Clokey 1942-4-19 5973 Los Angeles West Arcadia Comment
  RSA599585  Eschscholzia californica var. crocea Steve Boyd, Lauren Raz 1997-3-25 9304 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA0063212  Eschscholzia elegans M. B. Dunkle 1928-4-11 1855 Los Angeles Santa Catalina Island, near Isthmus. 15 Comment
  SEINET12190720  Eucalyptus ficifolia J. F. Bright, Wyman, C. 1931-1 5320 Los Angeles Beverly Hills Comment
  SEINET3463249  Eucalyptus globulosus Unknown 1939-7-10 119 Los Angeles Los Angeles, Los Angeles, Campus Comment
  RSA0012819  Eucalyptus polyanthemos Tim S. Ross, Janet Takara, S. Otte 1993-4-24 6964 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, lower Bouchette Canyon, ca 545 m W of Johnsons Landing, at an old Boy Scout camp. 18 Comment
  SFV21062  Eucalyptus sideroxylon L. Gross, S. Larson, V. Soza 2001-5-31 387 Los Angeles Verdugo Mountains Southeast side of mountains. Dead Horse Canyon along road (Heather Ridge Drive). 335 Comment
  UCR178041  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  RSA0058230  Eucrypta chrysanthemifolia Richard G. Swinney 2010-4-23 12347 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  CATA516  Eucrypta chrysanthemifolia var. bipinnatifida Sara L. Crockett 1997-4-9 662 Los Angeles Santa Catalina Island: Along stream meeting Hermit Gulch Trail from south, at point 0.2 mile up trail from Hermit Gulch CG 137 Comment
  RSA596038  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross, J. Mark Porter 1995-5-4 8406 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SEINET6070302  Eulobus californicus Unknown 1929-4-1 4459 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  RSA779450  Euphorbia albomarginata R. G. Swinney 2009-6-17 11221 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  SD231286  Euphorbia albomarginata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 50506 47 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR91992  Euphorbia dendroides D. L. Koutnik 1996-4-20 s.n. Los Angeles San Gabriel Mtns., foothills above Pasadena, side canyon of Eaton Wash along New York Drive, 0.25 mi. north of Sierra Madre Blvd. 300 Comment
  SD126202  Euphorbia maculata A. C. Sanders 1987-9-18 7369 Los Angeles El Segundo Dunes, west of Los Angeles International Airport & Pershing Dr., much of this area was occupied by houses until ca. 15 years ago, streets & sidewalks remain & some ornamental plants have persisted, in cracks in cement on north edge of subsite 3 38 Comment
  RSA69418  Eustoma exaltatum F. W. Peirson 1917-5-1 880 Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  SBBG98647  Extriplex californica T. Ross 1991-5-20 5352 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  SEINET10807011  Festuca De Camp 1912-6-10 DE CAMP s.n. Los Angeles Claremont. Comment
  SBBG117114  Festuca bromoides S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1520 Los Angeles N of main rd between Airport and Little Harbor 128 Comment
  SEINET13203119 Image available Festuca myuros R. G. Swinney 2010-1 12493 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR152907  Festuca myuros A. C. Sanders, Helen Kennedy 2005-4-13 29426 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR155914  Festuca myuros A. C. Sanders 2005-5-5 29879 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  UCR272357  Festuca myuros R. G. Swinney 2011-6-20 15227 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  CATA782  Festuca perennis Mark L. Hoefs 1991-6-5 1344 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  SBBG20523  Festuca perennis E. R. Blakley 1963-12-7 6370 Los Angeles 200 yds SE of new air strip 60 Comment
  CAS-BOT-BC487552  Ficus microcarpa R. E. Riefner, Jr. 2014-10-6 14 -369 Los Angeles Harbor City, W of 110-freeway, on Figueroa Pl, ca 0.3 mi N of Anaheim St, opposite Harbor Park Golf Course 9 Comment
  UCR240982  Filago californica Dan S. Cooper 2010-4-6 20100406- 35 C Los Angeles South Coast, Ballona Wetlands, open space parcel on west side of channelized Ballona Creek, north of Culver Blvd. and east of Lincoln Blvd., S of CA 90/Marina Fwy 5 Comment
  RSA635043  Filago gallica Valerie L. Soza, Kent Hughes 1999-6-17 560 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 746 Comment
  UC1586202  Foeniculum vulgare Tim Ross 1991-8-16 5810 Los Angeles 1/5 mi. n.w. Mt. Sally summit (along Angeles Crest Hwy., Upper Big Tujunga Canyon); Chilao Flat Quad., San Gabriel Mts., Upper Big Tujunga Canyo 1524 Comment
  RSA0011373  Frangula californica subsp. californica Orlando Mistretta, Youssef Atallah 2011-8-16 6060 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  CATA1240  Frankenia salina Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2318 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  UC729777  Frankenia salina Carl B. Wolf 1932-5-12 Los Angeles Little Harbor Santa Catalina Island 3 Comment
  RSA719593  Frasera neglecta R. G. Swinney 1997-7-17 5684 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  UCR124572  Frasera neglecta B. C. Templeton 1932-6-17 4932 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  CAS-BOT-BC223424  Fraxinus dipetala Cecil Hart 1927-4-10 s.n. Los Angeles Ridge Route to Lancaster Comment
  RSA350147  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Placerita canyon. 518 Comment
  RSA464904  Fraxinus dipetala Samuel R. Tyson 1942-4-24 s.n. Los Angeles San Dimas Canyon. Comment
  RSA464908  Fraxinus dipetala Freda Detmers 1933-4-10 17587 Los Angeles Sierra Madre Mountains; Little Tujunga Canyon Comment
  RSA578836  Fraxinus dipetala Tim S. Ross, Darin Banks 1994-4-13 7526 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  CAS-BOT-BC478183  Fraxinus uhdei R. E. Jr. Riefner 2015-8-23 15 -345 Los Angeles Universal City, along E side of Barham Blvd., vicinity of Craig Drive 233 Comment
  RSA426874  Fremontodendron californicum subsp. californicum M. B. Dunkle 1933-6-17 3632 Los Angeles San Antonio Canyon. San Gabriel Mountains Comment
  RSA77220  Fremontodendron californicum subsp. californicum F. W. Peirson 1921-5-20 773 Los Angeles Little Rock Creek 1067 Comment
  LA22122  Fritillaria biflora var. biflora K. Kinsel; 1930-3-22 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UC450856  Galinsoga parviflora var. parviflora Fay A. MacFadden 1931-1-21 Los Angeles Monrovia Comment
  UCR228116  Galium R. F. Thorne 1968-2-25 37911 Los Angeles Channel Islands, Santa Catalina Island, Cherry Valley 49 Comment
  PASA40  Galium angustifolium Sally Ellis 1940-4-16 Los Angeles Clairemont Comment
  RSA524178  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-6 2869 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA587026  Galium angustifolium subsp. angustifolium Orlando Mistretta 1994-06 1358 Los Angeles San Gabriel Mountains: Santiago Canyon. Side drainage entering Santiago canyon from the W, about 3 miles of confluence of Santiago Creek and Little Rock Creek. 1585 Comment
  CAS-BOT-BC223044  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-6-20 1262 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 2133 Comment
  CATA970  Galium aparine Mark L. Hoefs 1994-5-21 1838 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  SEINET4092382  Galium aparine R. Moran 1941-1 581 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA0016923  Galium aparine Richard Noyes, L. Arnseth 1988-4-30 555 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam. 500 Comment
  RSA536061  Galium aparine Tim S. Ross 1991-5-21 5385 Los Angeles San Clemente Island: Upper easterly branch of Box Canyon, affected by recent burn 473 Comment
  JEPS114006  Galium californicum subsp. flaccidum Timothy S. Ross and Steve Boyd 1993-5-23 7246 Los Angeles Lower, easterly ridge of Red Mountain, on N to NE slope ca 500-570 m SE of the saddle between Ruby and Clearwater Canyons. Comment
  SEINET4093007  Galium catalinense R. Moran 1941-1 606 Los Angeles South of Johnson's Valley; Santa Catalina Island. 200 Comment
  UC416796  Galium catalinense R. L. Pendleton 1909-7-2 1358 Los Angeles road e Avalon; Santa Catalina Island 6 Comment
  UC729797  Galium catalinense Carl B. Wolf 1932-5-11 3553 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  SDSU9326  Galium catalinense D. F. Howe 1968-2-25 4492 Los Angeles Hillside between Fourth of July Cove and Cherry Cove, Santa Catalina Island. Comment
  RSA545184  Galium catalinense subsp. acrispum Tim S. Ross 1992-4-14 6163 Los Angeles San Clemente Island: Central E side of island, rutted channel that runs N from Nanny Canyon, 300m N from the mouth of NC. 69 Comment
  UC557738  Galium catalinense subsp. acrispum Nell Murbarger March, 1936 70 Los Angeles e coast of island San Clemente Island Comment
  UCR73416  Galium catalinense subsp. acrispum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5291 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  RSA249726  Galium catalinense subsp. catalinense Robert F. Thorne, Doug Propst 1973-2-12 42480 Los Angeles Santa Catalina Island. Ironwood Gully on slopes of hill E of Isthmus above Banning House. 183 Comment
  RSA608444  Galium hallii Louis C. Wheeler 1946-8-29 6309 Los Angeles San Gabriel Mountains: Vincent Gap. 2012 Comment
  CAS-BOT-BC223141  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR281773  Galium nuttallii subsp. insulare Mitch Provance, Scott Duff 2017-6-29 617- 71 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  LA51406  Galium nuttallii subsp. nuttallii Peter H. Raven; 1960-5-15 15367 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road 2.7 mi. W of Rambla Pacifica. 426 Comment
  RSA0094551  Galium porrigens Richard G. Swinney 2011-6-6 15004 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  POM296442  Galium porrigens var. porrigens Lyman D. Benson 1945-3-30 11651 Los Angeles Canyon at Padua Hills above Claremont. 549 Comment
  CAS-BOT-BC532581  Gamochaeta antillana A. C. Sanders; T. B. Salvato 2009-5-20 36869 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
  RSA89787  Garrya flavescens var. pallida R. M. Beeks 1951-6-12 193 Los Angeles Angeles Crest Hwy., near Charlton Flats. 1524 Comment
  RSA585535  Garrya veatchii Tim S. Ross 1992-4-21 6217 a Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  UC303662  Garrya veatchii I. M. Johnston 1918-5-19 1986 Los Angeles San Antonio Canyon; San Antonio Mountains 1371 Comment
  SEINET8718698 Image available Gastridium ventricosum F. R. Fosberg 1931-1 S 4677 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island, Upper Sonoran Zone Comment
  UCR276885  Gayophytum R. G. Swinney 2011-6-7 15084 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
  POM355403  Gayophytum diffusum subsp. parviflorum G. R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA444647  Gayophytum heterozygum D. Charlton 1986-6-15 226 Los Angeles Lightning Ridge at intersection of Forest Rd 3N06 and Angeles Crest Hwy, ca 4 mi NW of San Bernardino Co line and 5 mi NW of Wrightwood. 2256 Comment
  RSA775956  Gayophytum oligospermum Orlando Mistretta, Christine Mistretta 2010-6-17 5337 Los Angeles Upper Big Tujunga canyon; Alder Creek; 0.4 miles upstream (NW) of creek crossing at Upper Big Tujunga Canyon Road. 1025 Comment
  UCR152480  Gazania linearis A. C. Sanders, Lee Jones 2005-4-8 29333 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  POM2886  Geranium carolinianum P. A. Munz 1918-4-21 2088 Los Angeles South of Pomona Hills Comment
  RSA346587  Gilia angelensis Barry Burnell 1970-5-21 230 Los Angeles Evey Canyon, off of San Antonio Canyon Road. Drainage Area: Santa Ana River. 716 Comment
  UC205921  Gilia angelensis Geo. B. Grant 1901-1 501 Los Angeles Pasadena Comment
  RSA127822  Gilia angelensis H. J. Thompson, P. H. Raven 1959-4-3 13924 Los Angeles Just to east of Malibu Junction. 244 Comment
  SDSU21384  Gilia capitata S. H. Bullock 1968-3-26 16 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. No slope. 351 Comment
  UCR215122  Gilia capitata Sarah C. Pasquini 2008-4-19 19 Los Angeles South Coast, San Pedro, White Point Nature Preserve, c. 300 m off West Paseo del Mar 40 Comment
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Apr 27 2016
  RSA611633  Gilia capitata subsp. abrotanifolia Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10115 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 536 Comment
  POM3478  Gilia capitata subsp. abrotanifolia D. L. Crawford 1915-6-27 s.n. Los Angeles Bear Canyon, Claremont. 1982 Comment
  RSA20211  Gilia capitata subsp. abrotanifolia Theodore Payne 1938-5-17 s.n. Los Angeles From seed obtained between Glendale and Montrose. 365 Comment
  RSA470217  Gilia capitata subsp. abrotanifolia Anstruther Davidson 2500 Los Angeles Cold Brook, San Gabriel Canyon. Comment
  UCR124680  Gilia latiflora B. C. Templeton, I. W. Clokey 1930-4-8 1032 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA469398  Gilia latiflora subsp. davyi Christopher Davidson 1973-4-1 1890 Los Angeles 1 mile south of Littlerock. 762 Comment
  UC1080506  Gilia latiflora subsp. davyi Verne Grant 1955-4-16 9578 Los Angeles on hwy 99 near Lancaster junction s Gorman; s of Gorman Comment
  RSA339276  Gilia latiflora subsp. davyi R. F. Thorne, W. Wisura, S. Granger, Pamela Burton 1982-4-20 54973 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCR25483  Gilia modocensis Deborah Negri 1978-4-14 33 Los Angeles 2 miles north of junction of Hwy 138 and Hwy 14 on south side of Hwy 138 706 Comment
  UCR204204  Gilia nevinii Mark A. Elvin, Dylan Hannon, Gary Allan, Curtis Clark 1996-4-19 151 Los Angeles Channel Islands, San Clemente Island, North Head, top of slopes between 1st and 2nd terrace point at North Head Rock 12 Comment
  CAS-BOT-BC402000  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-3-25 9315 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch 1280 Comment
  UC1123821  Gilia ochroleuca subsp. bizonata A. D. Gifford 1935-4-15 583 Los Angeles 1 mi ne Quail Lake; Tejon Quad., ne of Quail Lake Comment
  UCR221914  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-4-28 10527 A Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA0016257  Gilia ochroleuca subsp. bizonata E. C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1677 Comment
  RSA0017209  Gilia ochroleuca subsp. bizonata J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  CAS-BOT-BC402065  Gilia ochroleuca subsp. vivida Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1828 Comment
  UCR23905  Glycyrrhiza lepidota John C. Roos 1942-6-6 1064 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  SEINET269290  Gnaphalium californicum Scott D. White, Chet McGaugh 1995-5-9 3001 Los Angeles E edge of Santa Susana Mts W of San Grabriel Mts. Sunshine Canyon Landfill property: W of San Fernando Rd and I-5 Fwy 457 Comment
  RSA608881  Gnaphalium californicum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga. 548 Comment
  UCR223288  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-23 11386 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
  RSA535722  Gnaphalium luteoalbum Timothy S. Ross 1991-5-22 5474 Los Angeles San Clemente Island: Spray Canyon, Short canyon 2400ft ENE of Spray (which in turn is 5200ft N of Eel Point) W side of island 99 Comment
  RSA574357  Gnaphalium palustre R. G. Swinney 1994-6-20 2960 Los Angeles 2.3 mi. north of Swarthout Canyon road at USFS Rd. #3N49 1072 Comment
  OBI6972  Grayia spinosa Shirley Vaughan 1974-5-11 30 Los Angeles Found at 10th St E and Kettering St., Lancaster Comment
  JEPS30531  Grindelia hirsutula Donald M. Kyhos November 1958 Los Angeles Whittier Comment
  RSA709673  Guillenia lasiophylla LeRoy Gross 2005-4-28 2164 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
  RSA430048  Guillenia lasiophylla Robert Gustafson, Christopher Davidson 1977-4-20 404 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  RSA763746  Guillenia lasiophylla Orlando Mistretta, Christine Mistretta 2008-5-20 3174 Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact Area 14 per TRTP Survey 2008), Fish Canyon drainage; Van Tassel Motorway just S of Jct. with Monrovia Cyn Truck Trail. 986 Comment
  CAS-BOT-BC304621  Gutierrezia californica Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass 457 Comment
  SBBG62670  Gutierrezia californica R. Hoffmann 1927-9-21 Los Angeles Castaic Comment
  SD234308  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel Mountains: San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 182 Comment
  SD239595  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles San Gabriel Mtns.: Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  LA203626  Gutierrezia sarothrae Joseph Andorfer Ewan; 1931-8-7 4871 Los Angeles San Bernardino Mountains, Holcomb Valley 2194 Comment
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Feb 12 2015
  POM72625  Harpagonella palmeri Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  POM84457  Harpagonella palmeri Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  RSA597987  Harpagonella palmeri Lauren Raz, Mistretta, Wall 1997-3-16 68 Los Angeles Santa Catalina Island. Avalon Canyon via ''Divide Trail'', NE of the Wrigley Botanical Garden. 182 Comment
  SBBG17779  Hazardia cana P. H. Raven 1962-5-10 17730 Los Angeles large Cyn W of Thirst 304 Comment
  POM359473  Hazardia squarrosa var. grindelioides Geo L. Moxley 1914-9-3 259 Los Angeles San Rafael Hills, near Pasadena Comment
  RSA229142  Helenium bigelovii R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38846 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  UCR209849  Helenium bigelovii R. G. Swinney 2008-7-16 9264 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  RSA594468  Helenium puberulum Steve Boyd, Lauren Raz 1996-9-24 8940 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  SBBG65782  Helenium puberulum R. Hoffmann 1928-7-9 Los Angeles Bouquet Cyn Comment
  POM199698  Helianthemum scoparium var. vulgare I. W. Clokey, B. C. Templeton, C. B. Clokey 1929-05 4490 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  RSA441779  Helianthemum scoparium var. vulgare G. R. Johnstone 1929-7-4 14208 Los Angeles Griffith Park. Comment
  RSA670434  Helianthemum scoparium var. vulgare I. W. Clokey, B. C. Templeton 1929-05 4490 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  POM305692  Helianthus annuus subsp. lenticularis Henry J. Ramsey, Henry J. Ramsey 1937-8-29 974 Los Angeles Altadena. 396 Comment
  POM49307  Helianthus annuus subsp. lenticularis L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island, Reservoir field. Comment
  RSA708683  Helianthus gracilentus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1604 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 610 Comment
  POM156364  Heliotropium curassavicum var. oculatum L. R. Abrams 1902-6-11 2513 Los Angeles Playa del Rey. Comment
  RSA177781  Heliotropium curassavicum var. oculatum R. F. Thorne, P. Everett 1965-5-11 34558 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  RSA5978  Heliotropium curassavicum var. oculatum C. B. Wolf 1932-9-13 4051 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
  CAS-BOT-BC310102  Hemizonella minima Joseph Andorfer Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region, San Gabriel Mts. 1706 Comment
  CAS-BOT-BC143691  Heteromeles arbutifolia Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA14704  Heteromeles arbutifolia Fay A. MacFadden 1931-4-20 2953 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  UCR273292  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 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
  RSA0072410  Heteromeles arbutifolia Larry E. DeBuhr, Gary D. Wallace 1972-9-2 701 Los Angeles San Clemente Island: near top of first canyon south of Lemon Tank. 366 Comment
  UC75960  Heterotheca grandiflora Geo. B. Grant 1901-1-1 568 Los Angeles Pasadena Comment
  UCR150632  Heterotheca grandiflora Scott D. White 1997-5-8 5082 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  RSA0009328  Heterotheca grandiflora Marcus E. Jones 1882-3-7 3614 Los Angeles Pasadena. Comment
  CAS-BOT-BC311266  Heterotheca sessiliflora subsp. echioides 1896-4-17 88 Los Angeles Near San Antonio Schoolhouse Comment
  UC857971  Heuchera abramsii P. A. Munz 1922-7-21 6113 Los Angeles Mt San Antonio; San Gabriel Mts 3048 Comment
  POM360463  Hieracium argutum George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA95181  Hieracium argutum var. parishii F. W. Peirson 1921-7-15 5286 Los Angeles San Gabriel River below Bonita Comment
  RSA792100  Holodiscus discolor Jane Tirrell, Shirley Imsand 2012-7-6 LS 0092 Los Angeles 50 ft. South of Pacific Crest Trail on ridge, approx 0.6 mi east of Windy Gap. 2507 Comment
  CAS-BOT-BC149954  Holodiscus discolor var. discolor E. Braunton s.n. Los Angeles Elysian Park Comment
  RSA0093466  Hordeum brachyantherum subsp. brachyantherum Richard G. Swinney 2011-6-7 15058 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. 1573 Comment
  POM50779  Hordeum jubatum A. D. E. Elmer 1902-06 3618 Los Angeles Lancaster. Comment
  UCR214619  Hordeum murinum A. C. Sanders, Dan S. Cooper 2010-3-12 37362 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM352469  Hordeum murinum subsp. leporinum A. H. Musick 1936-3-27 s.n. Los Angeles Los Angeles Comment
  RSA774800  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA85241  Horkelia rydbergii F. W. Peirson 1921-6-16 2448 Los Angeles Pine Flats. 1524 Comment
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Jul 29 2016
  SBBG68136  Hosackia oblongifolia var. oblongifolia A. J. McClatchie 1893-5-27 Los Angeles Pasadena Comment
  UCR256533  Hosackia oblongifolia var. oblongifolia Anuja Parikh, Nathan Gale 2011-6-20 3492 Los Angeles Transverse Range: San Gabriel Mountains, south of Rabbit Peak, 2.0 km east of Angeles Forest Hwy, just north of Monte Cristo Creek 1300 Comment
  RSA229741  Hulsea vestita subsp. gabrielensis Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Highway #2 near Valcrest 1828 Comment
  CATA1233  Hypochaeris glabra Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2299 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  UCD133320  Hypochaeris glabra Gary D. Cromwell; David W. Wheat 1971-4-21 546 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles northeast of Glendora. 548 Comment
  RSA544546  Isocoma menziesii var. vernonioides Timothy S. Ross, E. Kellogg 1992-4-11 6120 Los Angeles San Clemente Island: vicinity of Wilson Cove settlement. Introduced and locally naturalized. 87 degrees East, ca 770 m from 'Harbor' knoll (648 ft.) or ca 178 degrees S, 770 m distat from 32'BM at Wilson Cove. Comment
  JEPS42711  Isomeris arborea W. L. Jepson 1927-4-23 11901 Los Angeles Santa Susanna Pass 488 Comment
  UC1127161  Isomeris arborea R. St. John 1930-2-9 90 Los Angeles near San Fernando Dam; San Fernando Quad. 365 Comment
  RSA152033  Iva axillaris Wesley O. Griesel 1962-5-28 s.n. Los Angeles on the road from Big Pines to Valyermo 1524 Comment
  SEINET6070046  Iva axillaris Unknown 1997-6-18 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UCSB23142  Ivesia santolinoides Wilken, Dieter 1968-7-9 Los Angeles Ridge south of Dawson Saddle along trail to Throop Peak, San Gabriel Mtns. 2468 Comment
  UCD51313  Jarava speciosa Peter Kamb 1948-5-6 975 Los Angeles Lower Sonora Zone. Desert foothills of the San Gabriel Mountains, above Little Rock. 975 Comment
  CAS-BOT-BC340171  Jaumea carnosa S. B. Parish; W. F. Parish 1882-10-1 1108 Los Angeles Unspecified Comment
  RSA401019  Juglans californica George B. Grant 1905-5-5 635 Los Angeles Pasadena. Comment
  RSA747232  Juglans californica R. G. Swinney 2008-4-9 s.n. Los Angeles Glendora, Wildwood Canyon. 329 Comment
  UC174040  Juglans californica var. californica Geo. B. Grant 1905-5-5 635 Los Angeles Pasadena Comment
  RSA527687  Juglans regia Tim S. Ross, A. R. Ross 1991-6-3 5542 Los Angeles Elephant Hill, W Pomona 287 Comment
  RSA126744  Juncus acutus subsp. leopoldii Peter H. Raven, H. J. Thompson 1959-10-4 14556 Los Angeles Coast Hwy opposite Canfield s, Pacific Palisades 12 Comment
  RSA593557  Juncus acutus subsp. leopoldii Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8920 Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  RSA368196  Juncus covillei F. R. Fosberg, Joseph A. Ewan 1931-8-12 s 5582 Los Angeles Little Jimmy Spring, Windy Camp, north slope Mt. Islip, San Gabriel Mountains. 2300 Comment
  RSA509703  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1967-8-2 10293 Los Angeles San Gabriel Mts., Angeles Nat'l Forest: Sheep camp Spring, W slope Mt. Pacifico., NOTE: No lilies were observed at Sheep Camp Spring on 1 July 1994. The species appears to have been extirpated loc 1950 Comment
  RSA0013630  Juncus macrophyllus Orlando Mistretta, Youssef Atallah 2011-8-16 6051 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA781817  Juncus macrophyllus R. G. Swinney 2009-7-23 11372 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR273381  Juncus macrophyllus R. G. Swinney 2011-10-18 15806 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA0127457  Juncus macrophyllus Louis C. Wheeler 1967-7-20 10137 Los Angeles Aliso Canyon. 1067 Comment
  RSA684961  Juncus mexicanus Timothy S. Ross 1990-6-1 2769 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  UCR239959  Juncus mexicanus R. G. Swinney 2009-11-16 11646 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0072150  Juncus rugulosus Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  RSA646280  Juncus rugulosus Orlando Mistretta 1992-7-14 716 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR190757  Juncus xiphioides R. G. Swinney 1999-6-30 7485 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR58439  Juniperus A. C. Sanders 1987-7-22 7168 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  NY21004  Juniperus californica F. A. MacFadden 1933-3-15 s.n. Los Angeles Tejunga Wash, near Stonehurst Comment
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Oct 13 2014
  RSA337426  Juniperus californica Robert F. Thorne 1973-5-11 43568 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  SFV290  Juniperus californica P. G. Kilburn 1958-1-18 589 A Los Angeles On highway 6, 1 mile south of Vincent California on the Mint Canyon Road._x000B_Plant beside road. Comment
  UC1076388  Juniperus californica H. L. Mason 1927-5-20 3737 Los Angeles Tejon Pass Sierra Liebre Mts., Tejon Pass Comment
  UC83  Juniperus californica W. H. Brewer 1861-1-1 126 Los Angeles San Gabriel Comment
  UCR123804  Juniperus californica Steven R. Hill, K. Kramer 2001-4-22 33365 Los Angeles Southwestern Mojave, N foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 mi west of California Route 14, 0.9 mi west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek 854 Comment
  RSA649978  Keckiella cordifolia A. E. Hersh 1950-7-9 s.n. Los Angeles roadside [Topanga] Canyon, about 2 miles from west end. 91 Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  RSA401779A  Keckiella cordifolia Jessie Velo 1949-6-24 4234 Los Angeles Los Padres National Forest. Comment
  SEINET12269346  Keckiella ternata M. T. Doutt 1931-1 639 Los Angeles Sierra Madre Mts., trail between Mt. Lowe & Mt. Wilson Comment
  SBBG66604  Keckiella ternata subsp. septentrionalis R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  RSA400465  Keckiella ternata subsp. ternata L. E. Hoffman 1927-8-19 s.n. Los Angeles Arroyo Seco - Watermon Ry.[?] St. Comment
  RSA400477  Keckiella ternata subsp. ternata M. B. Dunkle 1933-7-11 3643 Los Angeles Upper San Gabriel Canyon, above dams; Cold Brook Camp. Comment
  SBBG22055  Keckiella ternata subsp. ternata R. F. Thorne 1963-7-11 32771 Los Angeles road to Upper Shake Cmpgrd, ca. 3 mi W of Lake Hughes, Angeles Nat Forest Comment
  CAS-BOT-BC176821  Kochia californica Ernest C. Twisselmann 1970-9-8 17498 Los Angeles Antelope Valley: Avenue C 0.3 mile east of Highway 14 (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  UCR139370  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  UCR179445  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UC1870208  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  CAS-BOT-BC341494  Lagophylla ramosissima Carl Epling; Louis Wheeler 1933-6-4 1844 Los Angeles Quail Lake, head of Antelope Valley 1219 Comment
  POM352630  Lamarckia aurea Jack Rempel s.n. Los Angeles South of Western Ave. and Manchester Comment
  UCR197126  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Transverse Ranges; Verdugo Mountains, base of northern side of the range, behind the Foothill Athletic Club at the southern end of Lowell Avenue 468 Comment
  UCR280855  Langloisia matthewsii R. G. Swinney 2014-4-23 16155 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA392796  Lastarriaea coriacea Louis C. Wheeler 1932-5-26 745 Los Angeles San Gabriel Wash. 107 Comment
  CATA441  Lasthenia californica Sara L. Crockett, Mark Elvin 1997-3-17 580 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road 335 Comment
  CAS-BOT-BC338121  Lasthenia californica John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC328101  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1903-4-10 3240 Los Angeles Ballna marshes, near Mesmer Comment
  UCR70758  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UCR139266  Lasthenia gracilis A. C. Sanders, M. Elvin, et al 2003-4-16 26058 B 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
  RSA533898  Lasthenia gracilis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5141 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage. 1600 ft. SE of the 924' BM at the E end of old airfield landing strip. 250 Comment
  CAS-BOT-BC366279  Lasthenia minor Samuel B. Parish 1887-6-1 1926 Los Angeles Elizabeth Lake Comment
  RSA405691  Lathyrus vestitus subsp. laetiflorus T. S. Clare 1929-3-3 13718 Los Angeles Topango [Topanga] Canyon. Comment
  UCSB8570  Lathyrus vestitus var. alefeldii Sage, Paul 1958-2-1 Los Angeles South wall of Millard Canyon slope, 1/4 mile below waterfall, 175 yds. above stream bed 594 Comment
  RSA233629  Lavatera assurgentiflora subsp. assurgentiflora Robert F. Thorne 1970-3-6 39400 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  RSA0034180  Layia glandulosa Pam De Vries 2013-4-13 7847 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1054 Comment
  UCR190468  Layia glandulosa R. G. Swinney 2001-4-18 7877 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR197750  Layia glandulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 57 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
  UC34692  Layia glandulosa H. M. Hall 1902-4-1 3025 Los Angeles Mescal Creek, eastern Los Angeles County South side Mohave Desert, Mescal Creek 1371 Comment
  UC828934  Layia glandulosa H. E. Hasse 1890-4-1 Los Angeles Mesa Comment
  CAS-BOT-BC377810  Layia platyglossa Geo. B. Grant 1904-5-14 s.n. Los Angeles Playa del Ray Comment
  CAS-BOT-BC534953  Lemna minuta Le Roy Abrams 1901-6-1 1726 Los Angeles Ballona Creek Comment
  POM263136  Lepechinia fragrans Suzanne McLean 1942-4-19 s.n. Los Angeles Road West of P, in mts North of Claremont. 1067 Comment
  UC1349063  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island, Echo Lake 411 Comment
  RSA746800  Lepidium didymum R. G. Swinney 2008-3-26 8576 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  CAS-BOT-BC89304  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  UCD115649  Lepidium fremontii Steve Meyers 1988-6-29 s.n. Los Angeles Big Rock Creek wash, 2.5 mi. E of town of Pearblossom. Comment
  UCSB18662  Lepidium fremontii Meisenbach, C. 1963-5-3 Los Angeles State Highway 138; 1.7 miles southeast of Victorville junction; west of Pearblossom 1066 Comment
  SBBG98639  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5085 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  UCR75297  Lepidium pinnatifidum Scott D. White 1992-10-9 946 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, base of mtns., just north of Pacific Coast Hwy, extending as far E as Malibu Creek. Bounded by the Civic Center Road; terminates on the W in vicinity of Malibu School 30 Comment
  SBBG133345  Lepidium strictum S. C. white, J. Green 2004-4-23 10229 Los Angeles Arroyo Seco at La Loma Rd bridge crossing; Pasadena 213 Comment
  RSA757993  Lepidium virginicum D. E. Bramlet, Jennifer Pilapil 2008-4-14 4185 Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Cyn, 762 m SE of Bouquet Cyn Road and 549 m S of Hayfork Rd. 476 Comment
  UCR255848  Lepidium virginicum R. G. Swinney 2010-5-4 12483 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  CAS-BOT-BC60034  Lepidium virginicum var. menziesii John Thomas Howell 1931-4-12 6296 Los Angeles Santa Cruz Island. At Cochie Bay. Comment
  UCR51863  Lepidium virginicum var. robinsonii Steve Boyd, T. S. Elias 1987-4-14 2060 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  RSA0013599  Lepidium virginicum var. virginicum Orlando Mistretta, Christine Mistretta 2011-6-23 5751 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  UCSB49607  Lepidospartum latisquamum Roos, John 1951-7-30 Los Angeles Swartout Valley between Wrightwood and Big Pines, San Gabriel Mts. 1981 Comment
  SBBG126261  Lepidospartum squamatum A. C. Sanders with T. B. Salvato 2009-5-29 37047 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
  SD253390  Lepidospartum squamatum R. G. Swinney 2011-10-27 15921 Los Angeles San Gabriel Mts.: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  SEINET10861660  Leptochloa fusca subsp. uninervia Hermann E. Hasse Hasse s.n. Los Angeles Saline flats. Comment
  SEINET3271568 Image available Leptochloa uninervia R. G. Swinney 2008-9-9 9326 Los Angeles San Gabriel Mtns.; Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA631999  Leptosiphon aureus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mountains: East fork Kentucky Springs Canyon 1280 Comment
  RSA571535  Leptosiphon breviculus Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8298 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  UCD118462  Leptosiphon breviculus Louis C. Wheeler 1964-6-20 8489 Los Angeles Mt. Waterman, south side. Comment
  UCR221918  Leptosiphon breviculus R. G. Swinney 2009-4-28 10524 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA228855  Leptosiphon breviculus R. F. Thorne 1971-6-26 39987 -A Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  SEINET7968707 Image available Leptosiphon chrysanthus subsp. chrysanthus Larry DeBuhr, R. F. Thorne 1973-5-11 1077 Los Angeles Ridge on south side of Mt. Emma Road 1.9 miles west of Little Rock Creek 1158 Comment
  SBBG15973  Leptosyne douglasii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  SBBG44372  Leptosyne douglasii G. Sphon, D. Hearn 1956-5-30 20 Los Angeles Black Butte, Antelope Valley Comment
  LA31703  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Henry J. Thompson 1959-9-27 14507 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  SEINET2053407  Lessingia germanorum Frank Ambrey 1959-1 Los Angeles Comment
  SBBG8555  Lessingia glandulifera var. glandulifera H. and M. Dearing 1937-10-15 2496 Los Angeles near Palmdale in Mint Cyn Comment
  CAS-BOT-BC283716  Leymus condensatus Timothy S. Ross; Steve Boyd 1994-9-20 8243 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along S side of Bouquet Canyon Road 993 Comment
  RSA535890  Leymus condensatus Timothy S. Ross 1991-9-2 5937 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road; Draw off W side of Y.B. Road. 503 Comment
  UCR194052  Lilium humboldtii R. G. Swinney 1998-8-21 6782 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  SFV21113  Lilium humboldtii subsp. ocellatum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1106 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  RSA720292  Limonium duriusculum LeRoy Gross 2007-3-13 2602 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  UC303618  Linanthus aureus I. Johnston May 1917 977 Los Angeles San Gabriel Wash 152 Comment
  UC150150  Linanthus breviculus Hasse and Davidson 1906-6-1 1611 Los Angeles Rock Creek Comment
  UC23718  Linanthus breviculus H. M. Hall Jun 1899 Los Angeles Swartout Canyon San Antonio Mountains 2072 Comment
  LA36842  Linanthus californicus Roxana S. Ferris; 1941-3-9 10322 Los Angeles Santa Susana Mountains, Pico Canyon, about 2 mi W of U.S. Highway #99 Comment
  POM18076  Linanthus concinnus P. A. Munz 1923-5-26 6855 Los Angeles Vincent Gulch 2043 Comment
  RSA73012  Linanthus concinnus F. W. Peirson 365 Los Angeles Summit of Mt. Lowe. Comment
  CATA429  Linanthus dianthiflorus Sara L. Crockett, Sheila Schueller 1997-3-8 567 Los Angeles Santa Catalina Island: Valley of the Ollas, 2.8 miles W on Empire Landing Road from jct. with Airport Road; N side of road, ca. 200 m toward San Pedro Channel 268 Comment
  SD69495  Linanthus dianthiflorus Robert F. Thorne 1966-4-4 35757 Los Angeles Santa Catalina Island; W-facing slope, bluff SE of Ballast Point and Catalina harbor, Isthmus 60 Comment
  UCD118503  Linanthus dianthiflorus Robert F. Thorne 1966-4-4 35757 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  RSA679872  Linanthus dichotomus subsp. dichotomus LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 874 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UCR26755  Linanthus liniflorus George K. Helmkamp 1982-5-14 s.n. Los Angeles Western Mojave Desert, Calif. Hwy 138, [near Neenach School, Antelope Valley] 2.5 mi. east of Osos Pumping Station turnoff 915 Comment
  RSA772524  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA166886  Linanthus parryae E. R. Blakley 1958-5-10 2281 Los Angeles 14 miles east of Quail Lake on state hwy 138- Antelope Valley. Comment
  UCR275029  Linanthus parviflorus Michael Honer, Mary Ann Hasskamp 2006-4-19 2208 Los Angeles Tehachapi Mountains area:, C. 1/2 mile north of Quail Lake; 1 mile west of cement plant rd. 1037 Comment
  RSA400292  Linaria canadensis var. texana Bonnie C. Templeton 1968-2-25 11385 Los Angeles Santa Catalina Island. E. of the Isthmus. Comment
  RSA535288  Linaria canadensis var. texana Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5343 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM. 186 Comment
  JEPS28818  Linaria maroccana Peter H. Raven, Henry J. Thompson 1960-4-24 15120 Los Angeles junction fo Decker Road and Mulholland Highway (Santa Monica Mountains); Santa Monica Mountains 457 Comment
  CHSC8286  Lithophragma affine Edward L. Smith 1957-4-25 225 Los Angeles Located in Little Dalton Canyon. San Gabriel Mts. 365 Comment
  SD107762  Lithophragma tenellum Robert F. Thorne, L. DeBuhr 1974-6-28 44759 Los Angeles San Gabriel Mts., Angeles National Forest: Lily Springs area on N slope Mt. Hawkins, drainage of S Fork Big Rock Creek 2438 Comment
  UC1606945  Lithophragma tenellum Robert F. Thorne and Larry DeBuhr 1974-6-28 44759 Los Angeles n slope Mt. Hawkins (drainage of S Fork Big Rock Creek, Lily Springs area); San Gabriel Mts, Angeles National Forest, S Fk Big Rock Cree 2438 Comment
  UC64642  Lithophragma tenellum H. M. Hall Jun 3 1900-Jun 6 1900 1498 Los Angeles Swarthout Canyon; San Antonio Mountains, Swarthout Canyon 2057 Comment
  CAS-BOT-BC520309  Lobelia dunnii var. serrata R. G. Swinney 2009-8-6 11509 Los Angeles Transverse Range: San Gabriel Mountains; Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Cyn, San Dimas Experimental Forest 475 Comment
  UCR129370  Lobelia dunnii var. serrata Ian Swift 2001-7-2 237 Los Angeles Transverse Ranges, Liebre Mtns. region, Middle Fish Canyon, 1 mile north of Cienega Campground 793 Comment
  RSA649802  Lobularia maritima Matt Brooks 1988-5-12 54 Los Angeles Whittier, Skyline Dr. 0.2 miles west of its intersection [with] Turnbull Canyon Rd. Comment
  UCR127650  Loeflingia squarrosa A. C. Sanders, Mark Elvin 2002-6-18 25138 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  CAS-BOT-BC283442  Lolium multiflorum Peter H. Raven; Henry J. Thompson 1959-10-14 14627 Los Angeles Santa Monica Mountains. E end of Malibu Lake 220 Comment
  CLARK-A1528-4719  Lolium perenne subsp. multiflorum John C. Roos 1949-6-28 Los Angeles Los Angeles 60 Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 Comment
  UC1605258  Lomatium nevadense var. parishii Timothy S. Ross 1994-5-31 7969 Los Angeles flat granite ridgetop ca. 800 m. w.-n.w. of summit Pacifico Mt. (San Gabriel Mts.); San Gabriel Mts. 2060 Comment
  SFV6239  Lomatium utriculatum M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Above cattle reservoir on Orcutt Ranch. 1021 Comment
  RSA209538  Lomatium vaginatum C. W. Tilforth 1969-4-15 181 Los Angeles Between Whittier & West Covina along Colima Ave just n. of Punta del Este Rd. Comment
  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
  SD112048  Lonicera hispidula var. vacillans Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Sant Catalina Island; Middle Ranch road. Comment
  POM4407  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  LA105078  Lonicera subspicata var. denudata Barry A. Prigge; 1988-7-3 8188 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA609592  Lonicera subspicata var. denudata L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. Comment
  UC421577  Lonicera subspicata var. denudata John Thomas Howell 1927-10-16 3157 Los Angeles trail to Santa Anita Canyon; San Gabriel Mts. Comment
  RSA406411  Lotus Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA0003343  Lotus argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA273126  Lotus argophyllus var. argophyllus Glenn A. Gorelick 1978-7-5 s.n. Los Angeles Crystal Lake 1677 Comment
  RSA406757  Lotus argophyllus var. ornithopus Anonymous 1906-07 s.n. Los Angeles Santa Catalina Island Comment
  RSA515121  Lotus dendroideus var. traskiae Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 799 -1 Los Angeles San Clemente Island: Wilson Cove Canyon; Tufa cut curve, marine terrace Comment
  UCR191729  Lotus grandiflorus A. C. Sanders 2008-4-23 35087 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA0056487  Lotus grandiflorus var. grandiflorus Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  RSA0058195  Lotus heermannii Richard G. Swinney 2010-6-23 13357 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0020989  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-7-1 5895 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA725749  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-5-1 26280 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  RSA632448  Lotus humistratus L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA640902  Lotus nevadensis var. davidsonii L. C. Wheeler 1967-8-9 10431 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  UC397222  Lotus nevadensis var. davidsonii Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles Summit of Mt. Wilson San Gabriel Mts. 1828 Comment
  POM175415  Lotus oblongifolius var. oblongifolius Joseph A. Ewan 1930-6-23 2653 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  SEINET3371868  Lotus procumbens G. Rink 2011-6-1 10568 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  UC1129120  Lotus scoparius G. T. Nordstrom 1935-1-18 324 Los Angeles 3.5 mi s Gorman; Tejon Quad. 1005 Comment
  UC153547  Lotus scoparius LeRoy Abrams 1902-6-11 2518 Los Angeles Playa del Rey Comment
  UCR209146  Lotus scoparius subsp. scoparius Dan S. Cooper 2009-1 109- 24 Los Angeles South Coast, Sand Dune Park, Manhattan Beach 27 Comment
  RSA656428  Lotus strigosus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 704 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  RSA719026  Lotus strigosus R. G. Swinney 1998-4-14 5976 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
  UCR223722  Lotus strigosus R. G. Swinney 2009-6-8 11109 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
  RSA545337  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  UC1594417  Lotus strigosus Tim Ross 1992-4-14 6179 Los Angeles above Nanny Canyon drainage channel (87 degrees s and ca 280 m distant from where drainage meets the sea, central e side of San Clemente Island); San Clemente Island 76 Comment
  CAS-BOT-BC201195  Lupinus Charles Piper Smith 1923-7-16 3786 Los Angeles Newhall Tunnel Hills Comment
  UCD14979  Lupinus J. M. Tucker 1962-4-18 3623 Los Angeles extreme northwest corner of county, Tehachapi Mountains, road to Mexican Mine area, just off Oso Canyon. 1005 Comment
  SEINET5766807 Image available Lupinus albifrons William G. Gronut 1965-1 s.n. Los Angeles Santa Monica; Benedict Canyon; Beverly Hills on Ferrari Drive one block from jct with Summit Ridge Rd. Comment
  SEINET10488424  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 7325 (2) Comment
  SEINET12154338  Lupinus albifrons J. F. Bright, Wyman, C. 1931-1 5589 Los Angeles Manhattan Beach Comment
  RSA729781  Lupinus andersonii R. G. Swinney 1998-7-2 6243 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
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May 3 2010
  RSA0099414  Lupinus bicolor R. G. Swinney 2011-6-7 15052 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  UC1871215  Lupinus bicolor T. S. Ross, Walter Appleby 1993-5-20 7207 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCR115800  Lupinus bicolor George K. Helmkamp 1997-3-6 1345 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  UCR96304  Lupinus bicolor B. G. Pitzer 1996-4-20 2694 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
  RSA0019386  Lupinus bicolor Jim Reutzel 1994-5-29 s.n. Los Angeles Los Angeles Reservoir [Puddingstone Reservoir?] on northwest side. Comment
  RSA155883  Lupinus bicolor subsp. umbellatus Peter H. Raven 1962-5-9 17661 Los Angeles Pyramid Cove, San Clemente Island. 168 Comment
  RSA407132  Lupinus chamissonis James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  RSA474236  Lupinus chamissonis T. S. Clare 1929-2-15 s.n. Los Angeles El Segundo. Comment
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Jan 10 2016
  SBBG108904  Lupinus concinnus S. A. Junak 1997-3-11 SCl 750 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  SBBG131682  Lupinus concinnus S. A. Junak 1999-4-24 SCa 871 Los Angeles E of Empire Landing Rd 213 Comment
  RSA0113890  Lupinus concinnus Steven A. Junak 1999-5-21 SCa- 978 Los Angeles Santa Catalina Island. Along road into Coffee Pot Canyon, S facing slope, next to road. 436 Comment
  SEINET6068440  Lupinus concinnus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA3738  Lupinus concinnus subsp. orcuttii Carl B. Wolf 1932-5-10 3529 Los Angeles At summit of Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  CAS-BOT-BC205151  Lupinus elatus F. W. Peirson; Bulletin Torrey Club 1921-6-16 2438 Los Angeles Waterman Ridge Comment
  CAS-BOT-BC216651  Lupinus excubitus subsp. hallii I. M. Johnston 1918-7-6 2078 Los Angeles Prairie Fork of San Gabriel River 1828 Comment
  RSA799681  Lupinus excubitus var. austromontanus Pam De Vries 2013-4-3 7839 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  UCR272636  Lupinus excubitus var. hallii R. G. Swinney 2011-5-6 14584 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  SFV21018  Lupinus formosus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 699 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  UC56362  Lupinus formosus Ernest Braunton 1903-1-1 749 Los Angeles Elysian Park Comment
  SD212611  Lupinus formosus var. formosus Anuja Parikh, Nathan Gale 2004-4-24 2002 Los Angeles Newhall Ranch, study area 64. Comment
  RSA0003471  Lupinus guadalupensis Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  CDA27445  Lupinus hirsutissimus T. C. Fuller 1962-4-1 8174 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  RSA0045267  Lupinus hirsutissimus R. G. Swinney 2010-3-22 12012 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA563501  Lupinus latifolius subsp. parishii T. S. Ross 1993-5-13 7108 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  RSA0073290  Lupinus laxiflorus var. cognatus Bonnie C. Templeton 1932-5-31 4857 Los Angeles East Blue Ridge, Big Pines Camp, San Gabriel Mts. Comment
  LA200476  Lupinus longifolius Carl B. Wolf; 1931-5-14 2053 Los Angeles Comment
  SD193285  Lupinus microcarpus A. C. Sanders 2005-5-5 29905 Los Angeles Cruzan Mesa along dirt road at northeast end of mesa. 640 Comment
  RSA0044606  Lupinus microcarpus var. densiflorus A. C. Sanders 2007-4-19 33435 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  OBI48356  Lupinus microcarpus var. densiflorus Rhonda Riggins 1981-5-24 1233 Los Angeles Roadside bank Co. Rd N2, 0.5 mi S Jackson Rd, 2.7 mi SE Hwy 138 Comment
  OBI48496  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  UC130904  Lupinus odoratus Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  RSA0017059  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson saddle 2438 Comment
  SEINET10488972  Lupinus sparsiflorus Ernest C. Twisselmann 1959-6-2 Twisselmann 5322 Los Angeles Liebre mtn rd, .6 mi e of the old ridge road. Corollas bright violet, fading Blue, center of standard white. Extensive colony growing on a rocky gravel Bank. Chaparral association. 1356 Comment
  RSA414304  Lupinus succulentus F. R. Fosberg 1931-4-10 689 Los Angeles Avalon Canyon, Santa Catalina Island 160 Comment
  UC865487  Lupinus succulentus F. R. Fosberg 1931-3-27 S 4414 Los Angeles Santa Catalina Island , Pebble Beach Road (Pebble Beach Road) 5 Comment
  RSA166553  Lupinus succulentus W. G. Webb 1935-2-17 s.n. Los Angeles Eagle Rock. Comment
  RSA604390  Lupinus succulentus Sara L. Crockett 1997-3-28 617 Los Angeles End of Cat Harbor road, NE side of Cat Harbor 15 Comment
  SD90376  Lupinus succulentus Robert F. Thorne 1966-4-15 35995 Los Angeles San Clemente Island; 0.67 mile southsoutheast of Eel Point, southwest side of island. 29 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
  SBBG96808  Lupinus truncatus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4234 Los Angeles lower half of China Cyn Comment
  UC156993  Lupinus truncatus Geo. B. Grant 1904-5-4 734 Los Angeles Pasadena Comment
  RSA414383  Lupinus truncatus M. Bisbee 1917-4-10 s.n. Los Angeles Hill Ave. Eagle Rock Comment
  RSA226927  Luzula comosa Robert F. Thorne 1971-8-25 41263 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily spring on NW slope of Mt. Hawkins 2134 Comment
  CAS-BOT-BC354341  Lycium brevipes var. hassei R. E. Riefner, Jr. 2011-8-19 11 -104 Los Angeles Palos Verdes Peninsula, Palos Verdes estates, Bluff Cove, Paseo Del Mar at Palos Verdes Drive West. 90 Comment
  RSA341620  Lycium californicum F. C. Boutin 1967-4-24 1702 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  RSA534139  Lycium californicum Tim S. Ross, Orlando Mistretta, Hammitt 1991-5-17 5069 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
  LA209691  Lycium cooperi A. M. Johnson; 1932-4-17 3989 Los Angeles 10 mi W of Palmdale Comment
  RSA587220  Lycium cooperi Orlando Mistretta 1995-5-2 1671 B Los Angeles San Gabriel Mountains: Carr Canyon. 1052 Comment
  RSA628721  Lycium cooperi R. S. Woglum 1942-5-20 3332 Los Angeles Transverse Ranges / Mojave Desert transition: Little Rock Dam Lake; Angeles National Forest. Comment
  UCSB18260  Lycium cooperi Bogardus, B. 1964-5-8 Los Angeles State Highway 138, 4.5 miles NW of Los Angeles; San Bernardino County Line 1219 Comment
  UCD65154  Lyonothamnus floribundus subsp. floribundus G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7757 Los Angeles CATALINA ISLAND: slopes E of Black Jack; trees 10--15 m high. 400 Comment
  RSA611587  Lythrum californicum Louis C. Wheeler 1946-9-8 6359 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile west of Bear Creek. 518 Comment
  RSA642273  Machaeranthera canescens var. canescens Orlando Mistretta, R. T. Hawke 1995-11-8 1950 Los Angeles San Gabriel Mountains. Comment
  RSA747004  Madia elegans R. G. Swinney 2003-5-12 8194 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper Dunn Canyon drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
  RSA748445  Madia elegans subsp. elegans Orlando Mistretta 1992-8-20 755 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  RSA601561  Madia exigua L. C. Wheeler 1967-6-16 9844 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  UC625141  Madia exigua F. R. Fosberg 1931-5-4 S 4762 Los Angeles Bullrush Canyon Santa Catalina Island 60 Comment
  POM244780  Madia gracilis F. R. Fosberg 1931-4-10 4528 Los Angeles Hamilton Canyon, Santa Catalina Island 40 Comment
  SFV6237  Madia gracilis M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North slope of Oat Mountain. Along main ridge road. 1037 Comment
  UCR179464  Madia gracilis R. G. Swinney, Dave Larson 1996-8-7 5249 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UCR204208  Malacothamnus clementinus Mark A. Elvin, Dylan Hannon, Gary Allan, Curtis Clark, Steve Burckhalter 1996-4-20 169 Los Angeles Channel Islands, San Clemente Island, Lemon Tank Comment
  SBBG72801  Malacothamnus davidsonii J. Ewan 1931-7-4 Los Angeles 1 mi below dam, Pacoima Cyn Comment
  CATA3233  Malacothamnus fasciculatus var. catalinensis Julie L. King 2017-1-17 44 Los Angeles Santa Catalina Island: Locked gate on West End Rd. behind (west of) Emerald Bay 18 Comment
  JEPS26402  Malacothamnus marrubioides F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts., Los Angeles Co. Comment
  RSA77038  Malacothamnus marrubioides F. W. Peirson 1919-6-15 502 Los Angeles Rock Creek 1250 Comment
  UC579571  Malacothrix californica G. T. Nordstrom 1935-4-6 443 Los Angeles 2 1/4 mi ne mouth of Snowy Creek (a tributary <of?> Piru Creek); Tejon Quadrangle 975 Comment
  UCR102617  Malacothrix californica B. G. Pitzer 1996-4-20 2689 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
  SBBG126923  Malacothrix clevelandii A. Parikh, N. Gale 2011-5-26 3397 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Stn, 0.7 km N of St Hwy 2 1308 Comment
  UCD134371  Malacothrix coulteri A. C. Sanders; T. B. Salvato 2005-4-26 29721 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines. 610 Comment
  SBBG43856  Malacothrix foliosa subsp. foliosa M. R. Benedict 1971-6-27 Los Angeles N end of runway, near Northwest Harbor Comment
  SBBG96804  Malacothrix foliosa subsp. foliosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4238 Los Angeles lower half of China Cyn Comment
  SD139335  Malacothrix foliosa subsp. foliosa Jon Rebman, Jonathan Dunn 1996-4-29 3107 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  UCR281667  Malacothrix glabrata R. G. Swinney 2014-4-23 16185 Los Angeles San Gabriel Mountains, east of Valyermo, Holcomb Ridge, 0.18-0.32 miles north of Bob's Gap Rd., 1.04 air-miles west of Bob's Gap 1302 Comment
  RSA160868  Malacothrix glabrata P. C. Everett, Nick Lolonis 1962-4-30 24458 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  SEINET3200276  Malacothrix saxatilis G. Rink 2011-6-2 10585 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  JEPS85097  Malacothrix saxatilis var. tenuifolia Roy E. Buck and Rexford Palmer 1989-4-27 1218 Los Angeles Between lanes of Interstate 5 near NW end of crossover section, +/- on ridges between Violin Canyon and large canyon to NE. On summit of knoll, dropping off sharply to SE, just SE of larger hill ca 2.8 air km SE of Townsend Peak summit, 7 air KM NW of Castaic. 640 Comment
  POM362372  Malacothrix saxatilis var. tenuifolia B. C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  SD39003  Malacothrix saxatilis var. tenuifolia Edith A. Purer 1931-6-19 Los Angeles Roadside south of Los Angeles. Comment
  SD66828  Malva assurgentiflora R. Mitchel Beauchamp 1967-3-18 318 Los Angeles In field south of Wilson Cove, San Clemente Island. Comment
  CSUSB814  Malva parviflora J. Operskalski 1976-4-24 Los Angeles Glendale, 5 miles south of 210 freeway. Comment
  OBI28057  Marah macrocarpa David J. Keil, Dirk Walters 1977-4-30 12281 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
  SD253432  Marah macrocarpa R. G. Swinney 2011-4-1 14298 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR182563  Marah macrocarpa Sharon Dougherty 2007-3-6 s.n. Los Angeles San Gabriel Mtns., Sycamore Flat and slopes of Johnstone Peak, San Dimas Experimental Forest, proposed communication site 854 Comment
  RSA440984  Marah macrocarpa Jack Rempel 1932-2-27 s.n. Los Angeles El Segundo. Comment
  SEINET13710414  Marah macrocarpa J. Adams, J. Adams (Botany) 1963-1 1 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  RSA584046  Marah macrocarpa var. macrocarpa T. S. Ross 1992-4-21 6222 a Los Angeles San Gabriel Mountains, Glendora Ridge Road: north margin of road pull-out ca 215 meters NW of Horse Canyon Saddle 1024 Comment
  RSA594464  Marrubium vulgare Steve Boyd, Lauren Raz 1996-9-24 8944 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UC1922292  Marrubium vulgare Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 820 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. Near 34deg 12' 37.7'' N 118deg 18' 15'' W T2N R14W SW/4 sec. 36. Elev. 1300 Feet. Comment
  PASA1166  Marrubium vulgare Loletta Hiebert Los Angeles Flintridge Comment
  CAS-BOT-BC348121  Matricaria discoidea Timothy S. Ross; Steve Boyd 1994-5-11 7799 Los Angeles Liebre Mountains. Atmore Meadows: between Liebre and Sawmill Mountains; streams draining southward to the North Fork of Fish Canyon 1325 Comment
  SEINET8793402  Meconella denticulata G. B. Grant 1904-1 1009 Los Angeles Pasadena. Comment
  POM348012  Medicago lupulina Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA187876  Medicago polymorpha Robert F. Thorne 1966-4-6 35929 a Los Angeles Santa Catalina Island: about 1 mi. W of Empire Landing. 76 Comment
  RSA13778  Medicago polymorpha Louis C. Wheeler 1934-2-2 2368 Los Angeles Elysian Park, Los Angeles. 122 Comment
  RSA660866  Medicago polymorpha Orlando Mistretta 1992-4-4 129 Los Angeles San Clemente Island. Comment
  POM348053  Medicago polymorpha var. brevispina M. B. Dunkle 1928-4-9 1814 Los Angeles Emerald Bay, Santa Catalina Island. Comment
  POM357045  Melica imperfecta George R. Johnstone 1929-7-14 14089 Los Angeles Griffith Park. Comment
  RSA0080962  Melica imperfecta R. G. Swinney 2010-6-1 13098 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA0112024  Melica imperfecta Richard G. Swinney 2011-5-16 14733 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA592412  Melica imperfecta Mark Hoefs, Doug Propst 1974-3-10 468 Los Angeles Upper Fern Canyon, Santa Catalina Island. 335 Comment
  UC1871329  Melica imperfecta T. S. Ross 1993-5-13 7119 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon Comment
  UCR190009  Melilotus albus R. G. Swinney 1998-8-1 6611 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  SD232691  Melilotus indicus Scott D. White 1996-5-15 4040 Los Angeles Coastal Los Angeles County: Marina Del Rey area; Ballona Ck. Floodplain W of Lincoln Bl. andS of Jefferson Bl. 3 Comment
  LA200496  Melilotus indicus Norman A. Cole; May 1964 323 a Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  UCSB72618  Melilotus indicus Gross, LeRoy 2007-3-13 Los Angeles Transverse Ranges; Verdugo Mountains region: Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast. Comment
  UCR151375  Mentzelia Scott D. White, Kent Hughes 2000-5-17 7883 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope 671 Comment
  SFV2372  Mentzelia affinis P. G. Kilburn 1958-4-12 720 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  SFV6137  Mentzelia affinis M. H. Grayum, D. R. Perry 1974-4-3 7441 Los Angeles Palos Verdes Peninsula Palos Verdes Peninsula. Coastal bluff at Flat Rock Point. 15 Comment
  RSA518032  Mentzelia albicaulis Steve Boyd, Orlando Mistretta 1986-3-31 1536 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SBBG69290  Mentzelia albicaulis R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA184055  Mentzelia albicaulis I. L. Wiggins 1966-4-17 20597 Los Angeles Desert about 2miles N of Theodore Payne Wildflower Sanctuary, NE of Pearblossom. Comment
  RSA729182  Mentzelia dispersa R. G. Swinney 1998-7-14 6442 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  RSA229056  Mentzelia laevicaulis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38897 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA446766  Mentzelia micrantha L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCR104149  Mentzelia micrantha Scott D. White 1997-5-21 5213 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  SFV13262  Mentzelia veatchiana M. J. Thor 1983-4-16 168 Los Angeles Mojave Desert Palmdale, north of Little Rock, Mount Emma Road. West facing slope by roadside. 945 Comment
  RSA225989  Mentzelia veatchiana Robert F. Thorne, C. W. Tilforth 1971-6-29 40691 -a Los Angeles ca. 3.6 miles down Aliso Canyon from junction with Angeles Forest Rd. 945 Comment
  SBBG13173  Mesembryanthemum nodiflorum E. R. Blakley 1962-6-10 5215 Los Angeles Wilson Cove 9 Comment
  SBBG70905  Micranthes californica M. N. Ackley -Mar-1926 1005 Los Angeles Eagle Rock 213 Comment
  POM6722  Micropus californicus L. T. Street, G. Williams 1919-4-12 2505 Los Angeles Hills near Puente. Comment
  UCR127021  Microseris lindleyi Mark A. Elvin, Cathleen Weigand 2003-4-8 2462 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  UCR223595  Microseris lindleyi R. G. Swinney 2009-6-8 11091 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
  UCR280550  Microseris lindleyi R. G. Swinney 2014-4-18 16133 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  POM246448  Microseris lindleyi F. R. Fosberg 1931-3-27 4419 Los Angeles Pebble Beach Road, Santa Catalina Island. 5 Comment
  POM363452  Microseris lindleyi Robert Gustafson 1978-6-1 980 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  UCR187274  Microseris sylvatica A. C. Sanders 2006-4-18 32100 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  LA32226  Mimulus aurantiacus Peter H. Raven; 1959-5-3 14066 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  JEPS11719  Mimulus aurantiacus var. pubescens Francis W. Pennell 1940-6-25 26004 Los Angeles Mount Wilson 1676 Comment
  RSA439237  Mimulus aurantiacus var. pubescens Fay A. MacFadden 1931-4-9 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCSB43758  Mimulus aurantiacus var. pubescens Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden; on Memorial Road; 200 feet from junction with Avalon Canyon Road on Santa Catalina Island 137 Comment
  RSA213365  Mimulus aurantiacus var. puniceus Reid V. Moran 1941-2-26 628 Los Angeles Johnson's Valley, Santa Catalina Island. 100 Comment
  LA51876  Mimulus brevipes O. A. Plunkett; 1926-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0051689  Mimulus cardinalis Lee Haines 1935-7-12 s.n. Los Angeles San Gabriel Canyon. Comment
  RSA0057894  Mimulus floribundus Richard G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR205259  Mimulus floribundus R. G. Swinney 2005-8-15 8487 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  RSA729593  Mimulus guttatus R. G. Swinney 1998-9-7 6935 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  JEPS11453  Mimulus guttatus Frank W. Peirson 1918-8-6 259 Los Angeles old trail to Mt. Wilson; San Gabriel Mountains 838 Comment
  RSA442757  Mimulus guttatus Frances M. Morey 1923-6-17 s.n. Los Angeles Between W. Adames St. and Culver City. Comment
  SBBG55158  Mimulus guttatus B. Shervanick 1973-7-12 995 Los Angeles Bear Flats, about 1.5 mi from Baldy Village on Bear Flats Trail 1584 Comment
  SEINET8216183  Mimulus guttatus G. R. Campbell 1948-5-13 585 Los Angeles San Dimas Canyon, just below fire station. Comment
  UC1971403  Mimulus guttatus Louis C. Wheeler 1967-5-15 9595 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon; bottom of canyon near mouth. Comment
  UC284774  Mimulus johnstonii P. A. Munz 1923-5-27 6882 Los Angeles Big Rock Creek San Gabriel Mts. 1295 Comment
  PASA95  Mimulus longiflorus Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA777364  Mimulus palmeri Orlando Mistretta, Christine Mistretta 2010-5-19 5111 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  POM19082  Mimulus rubellus P. A. Munz 1923-5-26 6843 Los Angeles head of Vincent Gulch. 2012 Comment
  CAS-BOT-BC388662  Minuartia douglasii Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canon [Canyon], San Gabriel Mts Comment
  SBBG12636  Mirabilis californica E. R. Blakley 1962-6-10 5238 Los Angeles above and N of Seal Cove 60 Comment
  RSA771768  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  SD69362  Mirabilis laevis var. crassifolia Robert F. Thorne, P. Everett 1965-5-10 34451 Los Angeles Santa Catalina Island, Cape Canyon. Comment
  RSA0027968  Mirabilis laevis var. crassifolia Orlando Mistretta 1992-4-5 191 Los Angeles Guds, San Clemente Island. Comment
  RSA464666  Mirabilis laevis var. crassifolia Richard C. Barkelew 1933-4-23 s.n. Los Angeles Mulholland Highlands. Comment
  JEPS26550  Mirabilis laevis var. retrorsa Peter Kamb 1948-3-13 811 Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  RSA69462  Mirabilis laevis var. retrorsa F. W. Peirson 1932-4-17 9846 Los Angeles Below the Lovejoy Dam, Lovejoy Buttes, Mojave Desert. 762 Comment
  RSA0120027  Mirabilis laevis var. villosa R. G. Swinney 2014-4-30 16298 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  CAS-BOT-BC215626  Monardella australis subsp. cinerea Wesley O. Griesel 1963-8-1 s.n. Los Angeles Slopes of Mt. San Antonio, San Gabriel Mts. 2834 Comment
  CAS-BOT-BC219912  Monardella breweri subsp. glandulifera LeRoy Abrams 1902-7-7 2662 Los Angeles Glendora Comment
  RSA597400  Monardella cinerea Tim S. Ross 1990-6-25 3767 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  CAS-BOT-BC220129  Monardella exilis Ira L. Wiggins 1966-4-17 20603 Los Angeles To east of Alpine Butte Wildflower Sanctuary, north of Pearblossom. Mohave [Mojave] Desert Comment
  UCSB21936  Monardella exilis Morreale, J. 1967-5-19 Los Angeles 30 yards south of Highway 138, 6 mi. west of its junction with Hwy. 14, in Antelope Valley, Mojave Desert 1066 Comment
  RSA773859  Monardella linoides R. G. Swinney 2009-8-25 11466 Los Angeles west summit of Table Mountain, NE of Big Pines. 2284 Comment
  RSA607651  Mucronea californica R. S. Woglum 1940-5-14 2913 a Los Angeles South Coast: Tujunga Wash; San Fernando Valley. Comment
  RSA648051  Muhlenbergia californica Orlando Mistretta, R. T. Hawke 1995-11-8 1952 Los Angeles San Gabriel Mountains. Comment
  SJSU12949  Muhlenbergia californica C. W. Sharsmith 1940-8-29 4224 Los Angeles Eaton Canyon, San Gabriel Mts. 1371 Comment
  UC1595330  Muhlenbergia californica Tim Ross and Orlando Mistretta 1992-7-24 6770 Los Angeles 76 degrees ene and 900 m from Strawberry Peak summit; San Gabriel Mts., vicinity of Strawberry Spring 1460 Comment
  RSA87325  Muhlenbergia microsperma F. W. Peirson 1927-3-20 7118 Los Angeles Summit of ridge south of Malibu Lake Comment
  UCR216872  Muhlenbergia microsperma R. G. Swinney 2009-3-12 10104 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  UCR223539  Muilla maritima R. G. Swinney 2009-5-27 10903 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  SEINET3243552  Muilla maritima Wesley O. Griesel 1961-1 Los Angeles Charleton Flats, San Gabriel Mts., Los Angeles County, California. 1524 Comment
  RSA0010805  Myoporum laetum Scott D. White 1995-12-5 3775 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UCR214455  Myosurus minimus subsp. apus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37633 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  SEINET7040201  Nama demissa A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  UC24132  Nama demissa var. demissa Jos. Burtt Davy May 9-24 1896 2289 b Los Angeles Lancaster, Los Angeles County Comment
  UC107194 Image available Nama stenocarpa Dr. H. E. Hasse Oct 1889 Los Angeles Soldiers Home Grounds Comment
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Dec 25 2006
  LA33439  Nassella cernua Henry J. Thompson; 1959-5-31 2065 Los Angeles 182 Comment
  RSA213386  Nassella cernua Reid V. Moran, A. Chase 1941-2-16 570 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
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Jun 5 2014
  SBBG19222  Nassella cernua M. A. Piehl 1963-12-7 631037 Los Angeles opposite Pyramid Head on SE tip of island 22 Comment
  RSA627530  Nassella lepida Sandra Leatherman, Fred M. Roberts, B. Leatherman, Trish Smith 1998-5-23 19 Los Angeles Black Star Canyon: SPur Road off of Black Star Canyon road. 335 Comment
  SBBG98678  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5077 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  RSA703496  Navarretia Scott D. White, Michael Honer 2004-6-24 10484 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  JEPS116632  Navarretia fossalis Kurt Flaig with Jeanette Flaig 2010-7-7 Los Angeles Western Antelope Valley, appoximately 15 miles west of Lancaster (about 1 mile west of CA Poppy Preserve) Antelope Valley; runoff from Lancaster Road (channeled toward depression). 822 Comment
  SD69021  Navarretia hamata Robert F. Thorne, D. Propst 1968-5-28 37656 Los Angeles Santa Catalina Island; along small stream in central part of Bulrush Canyon 244 Comment
  UCR64729  Navarretia hamata subsp. hamata J. A. Adams 1966-6-10 246 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  RSA469875  Navarretia intertexta M. Bisbee 1917-5-8 s.n. Los Angeles Dry hills, Eagle Rock Comment
  LA202595  Navarretia mitracarpa M. McGraw; 2003-6-26 Los Angeles 293.0 Comment
  UCD61813  Navarretia mitracarpa A. C. Sanders; T. B. Salvato 2005-5-24 30280 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, ca. 0.5 mi. NW of community of Mint Canyon. 549 Comment
  UCR220281  Nemacladus glanduliferus R. G. Swinney 2009-4-24 10485 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  SFV4910  Nemacladus ramosissimus M. H. Grayum 1971-5-20 s. n. Los Angeles Santa Monica Mountains Along headwaters of Cold Creek near Stunt Road. Along small, dry rill in burnt-over area. 488 Comment
  RSA587205  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 1995-5-2 1660 Los Angeles San Gabriel Mountains, Carr Canyon. 1036 Comment
  RSA598370  Nemacladus sigmoideus L. C. Wheeler 1967-5-24 9737 1/2 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA771945  Nemophila menziesii Robert F. Thorne, Gary D. Wallace 1973-4-25 43386 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 miles S of Llano, N slope of Holcomb Ridge 1159 Comment
  RSA172265  Nemophila menziesii var. integrifolia Robert F. Thorne 1963-5-5 32289 Los Angeles Near mouth of Cobal Canyon, foothills of San Gabriel Mountains, ca. 4 miles N of Claremont 518 Comment
  IRVC26956  Nemophila menziesii var. menziesii Mark A. Elvin 2003-5-1 s.n. Los Angeles Newhall Ranch, Castaic Mesas. Ca 1 mi SW of Castaic Lagoon at the W edge of a mesa, N of Charlie Canyon Santa Clarita Valley 366 Comment
  RSA586350  Nemophila menziesii var. menziesii Orlando Mistretta 1995-3-17 1545 Los Angeles Northwest of Little Rock Reservoir; on Emma section of Little Rock Creek Management Unit. 1098 Comment
  PASA2121  Nemophila rotata var. incana Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  UCR281291  Nerium oleander R. G. Swinney 2014-5-8 16467 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA680545  Nicotiana attenuata Scott D. White, Michael Honer 2003-6-23 9584 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  RSA547831  Nicotiana glauca Tim S. Ross, Peter Fritsch 1990-6-20 3638 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
  UC1211144  Nicotiana glauca Huron H. Smith 1912-5-29 5016 Los Angeles Santa Catalina Island; Summit Road 304 Comment
  UC1871158  Nicotiana glauca T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4936 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UCR216904  Nicotiana glauca R. G. Swinney 2009-3-17 10130 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  SEINET10696853  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3959 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  CAS-BOT-BC7273  Notholaena californica Louis Cutter Wheeler 1932-6-26 878 Los Angeles San Gabriel Canyon, San Gabriel Mts. 304 Comment
  CAS-BOT-BC71169  Notholaena californica L. L. K. 1962-11-23 159 Los Angeles Santa Monica Mtns., 20th Century Fox Ranch 304 Comment
  CDA5739  Ocimum basilicum H. Mukai 1976-7-28 Los Angeles Bandini Fertilizer Company, 4143 East 26th Street, Vernon. 0 Comment
  UCR265501  Oenothera Dan S. Cooper 2015-5-13 515- 47 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  CAS-BOT-BC167066  Oenothera californica R. F. Thorne; M. Z. Thorne 1969-7-10 38439 Los Angeles San Gabriel Mts., Angeles National Forest: tributary to small stream south of Wrightwood-Big Pines Hwy., c. 1.5 miles W of Wrightwood, Swarthout Valley 1950 Comment
  RSA119397  Oenothera deltoides subsp. deltoides William M. Klein 1958-6-3 290 Los Angeles 33.3 mi W of turn-off just n. of Adelanto on the road to Lancaster (Palmdale), nw of the Wilson school. Comment
  UC1007152  Oenothera elata subsp. hirsutissima P. A. Munz 1938-6-15 15241 Los Angeles Claremont Comment
  RSA0097793  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18411 Los Angeles Pomona, 650m SSE of the summit of Elephant Hill. 280 Comment
  SEINET2449582  Opuntia X occidentalis Unknown 1951-1 Los Angeles Comment
  SBBG69415  Opuntia basilaris var. brachyclada R. Hoffmann 1925-5-16 Los Angeles Mint Cyn Comment
  UCR178924  Opuntia littoralis R. G. Swinney 1989-5-9 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 0.6 mi. east of Glendora Mountain Road 396 Comment
  SEINET10914556  Opuntia parryi Betty Venrick 1961-5-11 Venrick 569 Los Angeles Rancho Santa Ana Botanical Gardens Comment
  RSA670808  Opuntia vaseyi Joseph M. Keefe 2001-1-19 30982 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  CAS-BOT-BC502625  Orobanche bulbosa F. Grinnell Jr. 1917-6-10 s.n. Los Angeles Sister Elsie Peak Trail near Pasadena, San Gabriel Mountains Comment
  RSA651298  Orobanche fasciculata Lori Ackerman, Gerald Braden, Arthur Davenport 1988-5-4 28 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  UC17198  Oxalis albicans subsp. californica W. H. Brewer Feb 1861 164 Los Angeles San Gabriel Comment
  UCR219435  Oxalis corniculata R. G. Swinney 2009-3-28 10182 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCD110990  Oxalis pilosa E. K. Balls 1960-4-14 24087 Los Angeles in the Botanic Garden, Claremont. 396 Comment
  SD39352  Oxalis valdiviensis Edith A. Purer 1931-2-15 71 Los Angeles Open field Comment
  POM175433  Oxytheca parishii var. parishii Joseph A. Ewan 1930-6-25 2681 Los Angeles South slope Mt. Islip; San Gabriel Mountains 2454 Comment
  POM72484  Packera ionophylla I. M. Johnston 1925-8-1 6606 Los Angeles Upper Barrett Canyon, W end Ontario Peak on shady N slope near Cascade-Barrett Canyon divide 2042 Comment
  SD253510  Paeonia californica R. G. Swinney 2011-3-18 14172 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  UCD102584  Paeonia californica Gerald Dickinson 1962-4-22 21 Los Angeles 2 miles E of Old Topanga Canyon Road - Mulholland. Santa Monica Mountains. 457 Comment
  UCR108646  Paeonia californica L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  RSA713803  Panicum capillare Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  LA14372  Parapholis incurva Robert Fowler; 1942-5-12 sn Los Angeles Playa del Rey Comment
  POM367112  Parapholis incurva Anstruther Davidson 1890-06 s.n. Los Angeles San Pedro Comment
  CAS-BOT-BC413372  Parietaria hespera var. californica Geo. B. Grant 1900-3-28 s.n. Los Angeles Avalon Comment
  CATA2015  Parietaria hespera var. californica Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 520 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach 9 Comment
  CHSC98722  Parietaria hespera var. californica LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 956 Los Angeles Transverse Ranges; Verdugo Mountains region; west end of the mountains. At junction (saddle) of Verdugo motorway and Wildwood Fire Road. (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). Basically a triangle. UTM Zone: 3787689N 0378361E. 564 Comment
  RSA582999  Parietaria hespera var. hespera Tim S. Ross 1993-4-22 6886 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak. Large rock outcrop 1000m ESE of Cactus Peak summit. 476 Comment
  UCR172441  Parietaria judaica R. E. Riefner Jr. 2006-1-12 06- 13 Los Angeles South Coast, San Pedro, Point Fermin 13 Comment
  UCR101754  Parnassia cirrata L. C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mtns, South Fork of Alder Gulch 1677 Comment
  UCR150712  Pectocarya penicillata R. G. Swinney 1998-4-14 5978 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR198508  Pectocarya penicillata Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  UCR95190  Pectocarya penicillata L. C. Wheeler 1967-5-9 9390 Los Angeles San Gabriel Mtns, Aliso Canyon, east of Acton, c. 1 mi downstream from Wagonwheel Ranch 1067 Comment
  POM368823  Pectocarya setosa Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA594957  Pectocarya setosa T. S. Ross 1995-4-26 8392 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  RSA599267  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-31 9441 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
  RSA717214  Pectocarya setosa Scott D. White, Pam De Vries 2006-5-10 11433 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SEINET2441553  Pectocarya setosa R. G. Swinney 2008-5-8 8789 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. (Valyermo 7.5' Q.). 1264 Comment
  UCD120194  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Western San Gabriel Mtns. Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCR119285  Pectocarya setosa A. C. Sanders, D. Malueg 1998-6-22 22048 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UC56410  Pedicularis densiflora Ernest Braunton Feb 1903 809 Los Angeles n slope of Santa Monica Hills Comment
  RSA0048358  Pedicularis densiflora Mike Thornburg 1977-3-12 s.n. Los Angeles 4 mi. up Old Mulholland Road near stream. 457 Comment
  RSA654215  Pedicularis semibarbata Valerie L. Soza, LeRoy Gross 2000-5-23 953 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  RSA755633  Pedicularis semibarbata R. G. Swinney 2008-7-15 9207 Los Angeles Winston Peak. 2275 Comment
  SD82880  Pedicularis semibarbata Robert F. Thorne, M. Z. Thorne 1969-7-9 38547 Los Angeles San Gabriel Mts., Angeles National Forest: summit of Table Mt. above Big Pines Ranger Station 2133 Comment
  SD81804  Pellaea andromedifolia var. andromedifolia Fay A. MacFadden 1931-3-11 Los Angeles Tuna Canyon, Verdugo Hills Comment
  SEINET3873275  Pellaea mucronata Louis C. Wheeler 1962-6-30 8151 a Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon.; 0 975 Comment
  SBBG98453  Pellaea mucronata T. Ross 1991-5-21 5399 Los Angeles the "armpit" where the two upper forks of Box Cyn join together; near drop into cyn 457 Comment
  RSA640136  Pellaea mucronata subsp. californica L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, Little Rock Creek; Will Thrall Park. 1921 Comment
  RSA755459  Pellaea mucronata subsp. californica R. G. Swinney 2008-7-16 9255 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  JEPS19081  Pellaea mucronata var. mucronata F. R. Fosberg 1932-6-18 8497 Los Angeles just below Camp Baldy; San Antonio Canyon Comment
  RSA600771  Pellaea mucronata var. mucronata L. C. Wheeler 1962-6-30 8151 b Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  CATA142  Pennisetum setaceum Sarah Ratay, Charlie de la Rosa 2009-9-19 106 Los Angeles Santa Catalina Island: At W edge of Hamilton Cove Housing Development in Avalon CA, near model home installation 69 Comment
  RSA652954  Pennisetum setaceum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23280 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watershed. 686 Comment
  SBBG118869  Penstemon heterophyllus S. D. White with P. De Vries 2004-5-18 10437 Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  RSA0116442  Penstemon heterophyllus subsp. heterophyllus Steve D. Boyd, Lauren Raz 1997-5-29 9915 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  NY601628  Penstemon heterophyllus var. australis L. C. Wheeler 1933-6-17 1871 Los Angeles Mouth of Palmer Canyon, San Gabriel Mountains 487.7 Comment
  NY601657  Penstemon heterophyllus var. australis P. A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mountains 670.6 Comment
  RSA0085080  Penstemon heterophyllus var. heterophyllus R. M. Straw 1953-5-9 426 Los Angeles Head of San Dimas Canyon, San Gabriel Mountains. 1250 Comment
  RSA733388  Penstemon speciosus R. G. Swinney 2001-6-16 7987 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  RSA226542  Penstemon spectabilis C. W. Tilforth 1969-8-5 232 Los Angeles Vacant natural area N of Claremont. Comment
  POM7645  Penstemon spectabilis subsp. subviscosus C. F. Baker 1903-7-20 3348 Los Angeles Claremont. Comment
  UC206185  Pentachaeta lyonii Katharine Brandegee Los Angeles Santa Catalina Isl. Comment
  RSA0070820  Pentagramma triangularis George B. Grant s.n. Los Angeles Pasadena. Comment
  SFV12135  Pentagramma triangularis V. Padgett, M. H. Grayum, D. L. Koutnik 1975-5-6 76 Los Angeles Santa Monica Mountains Fryman Canyon. 244 Comment
  LA94197  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1693 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  LA94199  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1709 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, upper Las Flores Creek Rd. 304 Comment
  LA94203  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1963-6-9 542 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon 121 Comment
  LA94208  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-26 1786 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Decker School Road. 304 Comment
  RSA687374  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  RSA687378  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA687395  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1932-1-31 2865 Los Angeles Santa Catalina Island, Avalon Canyon. Comment
  SEINET5767576  Peritoma arborea A. A. Heller 1908-6-19 8956 Los Angeles Santa Catalina Island, near Avalon Comment
  SJSU1844  Peritoma arborea C. W. Sharsmith 1957-4-13 6377 Los Angeles 1 mi S of Gorman 1066 Comment
  CAS-BOT-BC73770  Peritoma arborea var. arborea Reid Moran 1941-3-2 668 Los Angeles Santa Catalina Island - south of Wilson's Harbor Comment
  CAS-BOT-BC73736  Peritoma arborea var. globosa Vernon O. Bailey 1907-10-7 s.n. Los Angeles San Pedro Comment
  UCR19499  Perityle emoryi John C. Roos 1948-8-26 s.n. Los Angeles South Coast, Malibu 6 Comment
  RSA344531  Perityle emoryi F. C. Boutin 1967-4-23 1621 Los Angeles San Clemente Island: NE of runway of main airstrip, N end of island Comment
  UC1260170  Phacelia austromontana Robert F. Thorne and Larry DeBuhr 1974-6-28 44746 Los Angeles Lily Springs area San Gabriel Mts., Angeles National Forest, Mt. Hawkins, S. F (on n slope of mt., drainage of creek) 2438 Comment
  RSA427577  Phacelia brachyloba L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA582244  Phacelia brachyloba Louis C. Wheeler 1936-6-1 4108 Los Angeles Tan Bark Flat, San Dimas Canyon. 854 Comment
  CATA1666  Phacelia cicutaria var. hispida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2955 Los Angeles Santa Catalina Island: Above Parson's Beach 85 Comment
  RSA0080976  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0114805  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-26 14477 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
  RSA582641  Phacelia cicutaria var. hispida E. Lloyd 1933-4-13 s.n. Los Angeles Santa Monica Mountains; Temescal Canyon Comment
  RSA618682  Phacelia cicutaria var. hispida Louis C. Wheeler 1967-5-18 9632 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR258558  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-29 13018 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
  RSA552589  Phacelia cicutaria var. hispida D. Charlton, Robb Fishman 1991-5-21 5215 Los Angeles Southern Ritter Ridge, site of Joshua Tree preservation preserve, Palmdale. 1037 Comment
  RSA650552  Phacelia cicutaria var. hispida G. S. Eleiott 1949-5-4 s.n. Los Angeles San Dimas Canyon. 610 Comment
  UCR192946  Phacelia cicutaria var. hubbyi Dan S. Cooper 2008-4-4 s.n. Los Angeles Los Angeles Basin, North Broadway in vicinity of Prince St., Lincoln Heights, El Sereno, Los Angeles 150 Comment
  UCR223390  Phacelia cryptantha R. G. Swinney 2009-5-20 10818 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA756131  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-21 2520 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  RSA756955  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-14 2456 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 946 Comment
  RSA600800  Phacelia davidsonii Louis C. Wheeler 1955-4-16 7129 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  SBBG54436  Phacelia davidsonii L. Constance, F. W. Peirson 1941-6-25 2854 Los Angeles near head of Vincent Gulch 2133 Comment
  RSA0113809  Phacelia distans LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7544 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
  RSA611615  Phacelia distans Anna Christensen 1997-4-3 14 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Avenue and Foothill Boulevard 412 Comment
  RSA772304  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA780004  Phacelia distans R. G. Swinney 2009-4-7 10290 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR272573  Phacelia distans R. G. Swinney 2011-5-26 14843 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  LA81953  Phacelia distans O. H. Kappler; 1941-3-26 156 Los Angeles Santa Monica Mountains, Carbon Canyon, along US Hwy 101 Comment
  UC284268  Phacelia egena P. A. Munz 1923-5-26 6875 Los Angeles Big Rock Creek San Gabriel Mts. 1295 Comment
  UC1426017  Phacelia fremontii E. K. Balls and N. N. Balls 1966-3-17 12121 Los Angeles along Hwy 138 2.3 mi w Llano (Palmdale to the Cajon Pass) Comment
  RSA710381  Phacelia fremontii LeRoy Gross 2005-5-3 2193 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
  SEINET6097661  Phacelia fremontii Louis Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UC1174464  Phacelia fremontii Ira L. Wiggins and W. R. Ernst 1958-5-2 227 Los Angeles hillside on Hwy #2 about 4 mi s Big Rock Store Comment
  UC457249  Phacelia grandiflora Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA584491  Phacelia imbricata subsp. imbricata Tim S. Ross 1992-5-24 6420 Los Angeles Brown s Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  UC107482  Phacelia lyonii T. S. Brandegee 1890-5-15 Los Angeles Santa Catalina Island Comment
  RSA0060818  Phacelia minor LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6966 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
  RSA569924  Phacelia minor Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4836 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA612173  Phacelia minor Anna Christensen 1997-3-11 2 Los Angeles E Los Angeles County, Claremont, Bernard Biological Field Station (Claremont Colleges) NW corner of Mills Ave and Foothill blvd, 35 yards from E fence in N panhandle region. 412 Comment
  SD38353  Phacelia minor Edith A. Purer 1931-2-28 53 Los Angeles Verdugo Hills Comment
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Jul 5 2010
  SD43389  Phacelia minor D. F. Howe 1948-5-2 1800 Los Angeles Angelus Crest Road to Mt. Wilson 975 Comment
  UCR261318  Phacelia minor R. G. Swinney 2010-3-13 11891 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR281382  Phacelia minor R. G. Swinney 2014-5-19 16573 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  LA99394  Phacelia parryi Walt Westman; E. R. Hobbs 1979-3-30 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  UCR218006  Phacelia ramosissima A. C. Sanders, Dan S. Cooper 2010-8-5 38584 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UC881244  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles sand dunes Playa del Rey Comment
  UCSB5446  Phacelia tanacetifolia Ralph, F. 1960-4-1 Los Angeles N side of Calif. Hwy. 138, 9.0 miles E of its jct. with the road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of the jct. of road to Victorville, Mojave Desert Comment
  UCSC003068  Phacelia tanacetifolia Peter Kamb 1948-7-13 1208 Los Angeles on south side of canyon - San Gabriel Mountains, Big Tujunga canyon at Wildwood 549 Comment
  LA200584  Phacelia viscida Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA81958  Phacelia viscida O. H. Kappler; 1944-5-21 630 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  CATA1508  Phalaris aquatica Mark L. Hoefs, Steven A. Junak 1996-7-9 2721 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  CATA795  Phalaris aquatica Mark L. Hoefs, Robert Given 1991-6-12 1363 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 176 Comment
  RSA578139  Phalaris aquatica Timothy S. Ross 1993-5-19 7170 Los Angeles Western San Gabriel Mountains: ca 120 meters ESE of Wilson Canyon Saddle along old Forest Service loop road. 960 Comment
  RSA679062  Phalaris aquatica Valerie L. Soza, LeRoy Gross 2001-5-22 1234 Los Angeles Morgan Fire 2000 area, between Morgan and Sycamore Canyons, at end of old fire road west of Sycamore Flat Motorway (FS Road 1N15). 716 Comment
  RSA603269  Phleum pratense L. C. Wheeler 1933-7-10 1927 Los Angeles 2 miles NE of La Verne. 381 Comment
  UC519880  Phlox diffusa Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  RSA72012  Phlox diffusa F. W. Peirson 1922-7-6 3179 Los Angeles Blue Ridge, near Swartout Valley. 2287 Comment
  RSA435571  Pholisma arenarium W. D. Pierce 1941-06 s.n. Los Angeles El Segundo. Comment
  RSA459252  Pholistoma auritum I. W. Clokey 1929-4-29 s.n. Los Angeles Manderville [Mandeville] Canyon. 200 Comment
  SBBG12283  Pholistoma auritum P. H. Raven 1962-4-10 17249 Los Angeles ca. 1.5 mi N of Thirst 457 Comment
  JEPS96577  Pholistoma auritum var. auritum Dean W. Taylor 1992-5-1 12490 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  UC1194601  Phoradendron densum Del Wiens 1960-6-12 2717 Los Angeles Hwy. 99 7 mi. s. Gorman (on Ridge Rte.) 914 Comment
  UC1194636  Phoradendron macrophyllum Del Wiens 1954-1-10 893 Los Angeles intersection of Alexander and Cucamonga Ave.'s in Claremont 365 Comment
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Nov 23 2015
  POM46933  Phoradendron macrophyllum Mary F. Spencer 1916-12-20 281 Los Angeles On the banks of streams near LA. Comment
  RSA587981  Phoradendron pauciflorum Orlando Mistretta, Tim S. Ross 1994-6-1 1289 -B Los Angeles San Gabriel Mountains: Santiago Canyon. Pacifico Mountain, near top of Santiago Canyon. 1966 Comment
  UCR129936  Phoradendron pauciflorum Orlando Mistretta, T. S. Ross 1994-6-1 1289 -A Los Angeles San Gabriel Mtns, Santiago Canyon. Pacifico Mtn, near top of Santiago Canyon 1966 Comment
  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
  POM354327  Phoradendron villosum Bonnie C. Templeton, I. W. Clokey 1930-4-8 1063 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
  RSA0072477  Photinia arbutifolia var. macrocarpa F. R. Fosberg 1931-12-11 7158 Los Angeles Gallaghers Beach, Santa Catalina Island. 2 Comment
  RSA412027  Pickeringia montana Anstruther Davidson 1893-06 s.n. Los Angeles Hollywood Comment
  RSA472034  Picris echioides E. S. Spalding 1923-6-25 s.n. Los Angeles Eagle Rock. Comment
  RSA472038  Picris echioides Robert Gustafson 1980-7-9 1834 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA659887  Pinus attenuata Brian McColgan 1988-5-10 6 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
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Mar 27 2014
  UCR51524  Pinus canariensis A. C. Sanders 1987-7-22 7159 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR224269  Pinus coulteri R. G. Swinney 2009-6-24 11274 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  CAS-BOT-BC78750  Pinus lambertiana Geo. B. Grant 1904-5-18 6233 Los Angeles Summit Mt. Wilson 1828 Comment
  RSA0047921  Pinus lambertiana R. G. Swinney 2010-9-23 13872 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA0078386  Pinus lambertiana R. G. Swinney 2010-10-8 14007 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  SEINET3873915 Image available Pinus monophylla K. Dobry 1976-4-24 60 Los Angeles Leeward side of San Gaberial Mts..; 0 1219 Comment
  OBI69267  Piperia cooperi John Knapp, Denise Knapp 2003-4-13 26 Los Angeles Catalina island 3695769.992N x 370288.942e 104 Comment
  RSA190931  Piperia cooperi Robert F. Thorne 1967-5-19 36884 Los Angeles Santa Catalina Island: Echo Lake branch of upper Swains Canyon 381 Comment
  RSA631080  Piperia cooperi Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island: 0.3 mile SSE Isthmus Bench Mark. 122 Comment
  RSA642717  Piperia elongata Orlando Mistretta 1992-7-13 685 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  POM365991  Piptatherum miliaceum Robert Gustafson 1981-5-15 2221 Los Angeles Ballona Wetlands, Area 3. Comment
  SBBG126146  Pistacia chinensis A. C. Sanders with T. B. Salvato 2009-5-21 36903 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 Comment
  UCR184109  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato 2007-4-24 33484 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
  RSA0088403  Plagiobothrys canescens R. G. Swinney 2010-2-27 11757 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  SBBG131578  Plagiobothrys canescens S. A. Junak 2000-4-15 SCa 1207 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 478 Comment
  UCR178891  Plagiobothrys canescens R. G. Swinney 1990-3-19 1529 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  POM72576  Plagiobothrys canescens Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  UCR86538  Plagiobothrys collinus var. gracilis T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5315 Los Angeles Channel Islands, West side San Clemente Island, between Box & Horse Canyons 485 Comment
  CHSC35053  Plagiobothrys leptocladus R. Schlising; R. Banchero 1981-4-17 4033 Los Angeles NW of Oroville along Cottonwood Road, ca. 0.4 mile E of jct with Hwy 99. Roadside vernal pools. 41 Comment
  JEPS68110  Plagiobothrys nothofulvus R. F. Hoover 1938-4-16 3116 Los Angeles near Bailey's (road sta. between Quail Lake and Neenach School) (upper Antelope Valley); Antelope Valley Comment
  POM50665  Plagiobothrys nothofulvus L. R. Abrams 1901-4-4 1327 Los Angeles Chatsworth Park. Comment
  UC888351  Plantago coronopus F. R. Fosberg 1931-4-22 S 4671 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 200 Comment
  UCR114928  Plantago coronopus C. B. Wolf 1932-5-11 03554 Los Angeles Channel Islands, Santa Catalina Island, west side of Isthmus Harbor 30 Comment
  UCR194146  Plantago erecta A. C. Sanders 2008-4-25 35103 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  RSA628894  Plantago erecta Louis C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 549 Comment
  RSA638921  Plantago major Louis C. Wheeler 1946-8-27 6254 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1113 Comment
  SD230127  Platanthera sparsiflora Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  SEINET10530979  Platycladus orientalis David B. Dunn 1939-10-25 Dunn UMO 46533 Los Angeles Ornamental plants collected in the vicinity of Orange Dr. and Colorado Blvd., Pasadena. 274 Comment
  SEINET10871892  Platystemon californicus David B. Dunn 1941-3-22 Dunn 881 Los Angeles Desert by goldtown below on desert floor. Larrya franseria formation. Comment
  UCR222657  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09- 108 Los Angeles South Coast, city of Malibu, c. 0.2 mi. east of La Piedra State Beach 6 Comment
  RSA433728  Plectritis ciliosa subsp. insignis Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Exper. For. trail to flumes 4 and 5, San Dimas Canyon, San Gabriel Mt. Comment
  UCR125172  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  RSA670804  Poa annua Joseph M. Keefe 2001-3-16 31135 Los Angeles North crest of Poppy Peak, across street from 1622 Poppy Peak Drive; 0.8 mile southeast of The Eagle Rock, Pasadena, CA 91105., 34 deg 07' 49.2 North, 118 deg 10' 52.7 West. 305 Comment
  CLARK-A1528-5592  Poa secunda John C. Roos, Lucille Roos 1951-5-27 5055 Los Angeles Antelope Valley 701 Comment
  LA12576  Poa secunda Geo. B. Grant; 1905-4-4 3668 - Los Angeles near Pasadena Comment
  RSA17209  Poa secunda P. H. Raven 1962-4-10 17209 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  CAS-BOT-BC236200  Poa secunda subsp. secunda G. B. Grant 1906-6-19 6911 Los Angeles Summit, Mount Wilson Comment
  SBBG13292  Poa secunda subsp. secunda M. A. Piehl 1962-6-9 62342 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SEINET10532988  Podocarpus elongatus David B. Dunn 1939-10-18 Dunn UMO 46520 Los Angeles Cultivated tree near 3rd and Lafayette, Los Angeles, Calif. 213 Comment
  RSA762385  Polycarpon tetraphyllum R. G. Swinney 2009-3-12 10101 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  UCR216685  Polycarpon tetraphyllum Dan S. Cooper 2010-5-13 510- 58 C Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  RSA580109  Polygonum Tim S. Ross, S. D. Boyd 1994-9-21 8337 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  RSA749120  Polygonum aviculare R. G. Swinney 2005-8-9 8406 Los Angeles San Gabriel Mts: Big Rock Creek at Paradise Springs. 1439 Comment
  UCR204857  Polygonum aviculare R. G. Swinney 2005-8-5 8396 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR256862  Polygonum aviculare R. G. Swinney 2010-8-16 13541 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA618721  Polygonum aviculare subsp. aviculare Scott D. White, Sandy Leatherman 1998-5-19 6535 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UC1532941  Polygonum aviculare subsp. aviculare Robert F. Thorne 1975-9-4 47395 Los Angeles Fisherman's Cove Santa Catalina Island, campus of USC Marine Science Center Comment
  CDA36203  Polygonum hydropiperoides A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37065 Los Angeles San Gabriel Valley; Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery. Comment
  LA94052  Polypodium californicum Lawrence L. Kiefer; 1966-3-12 1720 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, Tuna Canyon Road, ca 3 mi above Hwy 1, ravine just W of road. 289 Comment
  RSA526592  Polypodium californicum T. S. Ross 1991-3-24 4300 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  UCSB62327  Polypodium californicum Kiefer, Lawrence 1966-4-10 Los Angeles Santa Monica Mtns., Franklin Canyon, about 2mi S of Mulholland Hwy, E of road 243 Comment
  RSA764410  Polypogon monspeliensis Justin M. Wood 2009-8-18 1257 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SEINET10593641  Polypogon monspeliensis Joseph A. Ewan 1936-8-6 Ewan 9971 Los Angeles Shade of thick willow thicket Head of Cedar Canyon off Mescal Canyon. San Gabriel 1981 Comment
  RSA693285  Polystichum scopulinum M. B. Dunkle 1933-6-17 3602 Los Angeles San Antonio River Canyon 915 Comment
  RSA573698  Populus balsamifera subsp. trichocarpa Tim S. Ross 1990-8-17 3154 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  UCR190497  Populus balsamifera subsp. trichocarpa T. B. Salvato 2007-6-5 3127 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  RSA0025348  Populus trichocarpa Anuja Parikh, Nathan Gale 2011-6-24 3500 Los Angeles TR, SnGb, S of Rabbit Peak, 1.4 km E of Angeles Forest Hwy, just SE of Monte Cristo Creek. 1242 Comment
  RSA383477  Potamogeton illinoensis Robert M. Perkins 1936-7-5 231 Los Angeles Crystal Lake, Angeles National Forest Comment
  UCR223547  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SD219103  Potentilla glandulosa subsp. reflexa Orlando Mistretta, Christine Mistretta 2008-5-6 2666 Los Angeles San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 626 Comment
  RSA762461  Prunus ilicifolia R. G. Swinney 2009-3-11 10094 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  SFV22113  Prunus ilicifolia J. M. Keefe 2001-1-19 30984 Los Angeles San Fernando Valley Big Tujunga Wash, 200 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 385 Comment
  UC1128411  Prunus ilicifolia A. Lewis 1934-2-1 297 Los Angeles Gold Creek, Angeles National Forest Gold Creek; Angeles National Forest, Gold Creek 1066 Comment
  UCR277023  Prunus ilicifolia R. G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  LA29347  Prunus ilicifolia subsp. ilicifolia Mary V. Hood; 1943-5-31 43- 61 -k* Los Angeles Trail down to Devil's Canyon 1219 Comment
  UCR197215  Prunus ilicifolia subsp. ilicifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 Los Angeles Verdugo Mountains, south side, Stough Canyon. Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  JEPS44912  Prunus virginiana var. demissa Frank W. Peirson 1919-6-4 82 a Los Angeles Icehouse Canyon; San Gabriel Mountain, Icehouse Canyon 2057 Comment
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Dec 10 2014
  UCR140969  Prunus virginiana var. demissa June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, northwest of the junction of Angeles Crest Highway (Hwy 2) and Pinon Ridge Rd. 1829 Comment
  RSA653855  Pseudognaphalium biolettii Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 805 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  SBBG32032  Pseudognaphalium biolettii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -201 Los Angeles Middle Bullrush Cyn Comment
  SD186104  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 Los Angeles 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. 519 Comment
  UCR17990  Pseudognaphalium biolettii G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR91379  Pseudognaphalium biolettii Scott D. White 1995-3-15 2549 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  LA105098  Pseudognaphalium californicum Barry A. Prigge; 1988-7-3 8162 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
  RSA0069845  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  SD69729  Pseudognaphalium californicum Robert F. Thorne 1966-4-29 36322 Los Angeles Santa Catalina Island, below road to White's Landing above turnoff to Echo Lake 409 Comment
  RSA0115092  Pseudognaphalium californicum Steven A. Junak 2000-6-30 SCa- 1359 Los Angeles Santa Catalina Island. Just W of summit of Mt. Torquemada and Triangulation Point well 2. 402 Comment
  SFV13498  Pseudognaphalium luteoalbum M. H. Grayum 1977-12-11 925 Los Angeles San Fernando Valley Los Angeles, Northridge. South side of Nordhoff Street, just west of Tampa Ave. 255 Comment
  CAS-BOT-BC357284  Pseudognaphalium microcephalum D. L. Crawford 1915-8-14 s.n. Los Angeles Mts. above Claremont, Palmer Canyon Comment
  UC1947296  Pseudognaphalium stramineum I. M. Johnston 1917-8-23 1705 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork Comment
  RSA579221  Pseudognaphalium stramineum Timothy S. Ross, Steve Boyd 1994-7-7 8160 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  JEPS81715  Pseudognaphalium thermale Rimo Bacigalupi with Reino Alava 1958-7-21 6448 Los Angeles Chilao Flat San Gabriel Mts., Angeles National Forest 1615 Comment
  SEINET4456819  Pseudotsuga macrocarpa V. Duran 1933-1 3537 Los Angeles Little Rock Creek Comment
  RSA690872  Pteridium aquilinum var. pubescens L. E. Hoffman 1931-12-2 s.n. Los Angeles Fern Canyon ,Angeles Forest, Los Angeles County, Cool Canyon Comment
  UCR129901  Pteris vittata L. C. Wheeler 1949-10-29 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest, lower Millard Canyon, up stream from Canyon Crest Road Comment
  RSA0011714  Pteris vittata LeRoy Gross 2000-9-30 274 Los Angeles San Gabriel Mountains: Monrovia Canyon, just below the first waterfall, above Monrovia Mountain Park 518 Comment
  RSA620236  Pterostegia drymarioides B. Pitzer 1998-5-23 3756 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA654082  Pterostegia drymarioides Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 745 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 427 Comment
  UC2029925  Pterostegia drymarioides S. D. White, Kent Hughes 2000-5-16 7837 Los Angeles SAN GABRIEL MTS.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. Comment
  RSA149787  Pterostegia drymarioides Wesley O. Griesel 1961-6-8 s.n. Los Angeles State Highway #2 near La Canada 610 Comment
  RSA453107  Pterostegia drymarioides E. Crow 1928-4-11 247 Los Angeles hills south of Pomona Comment
  RSA517862  Purshia glandulosa Steve D. Boyd, Orlando Mistretta 1986-3-31 1518 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  OBI10034  Purshia tridentata var. glandulosa Donald Alpert 1962-4-14 s.n. Los Angeles LIttle Rock Dam 1128 Comment
  RSA86647  Purshia tridentata var. glandulosa F. W. Peirson 1926-4-27 6668 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  SBBG70892  Purshia tridentata var. glandulosa R. Hoffmann 1929-4-27 Los Angeles Harold Comment
  UC673481  Purshia tridentata var. glandulosa Herbert L. Mason 1926-4-27 3024 Los Angeles Rock Creek Comment
  SD260957  Quercus D. E. Bramlet 2011-8-26 4937 Los Angeles San Gabrial Mountains: Maple Canyon, east of Big Tujunga Canyon, c. 1/2 mile due south of Big Tujunga Reservoir. 707 Comment
  CAS-BOT-BC104389  Quercus X macdonaldii Chas. E. Miller 1917-9-1 s.n. Los Angeles Santa Cruz Island Comment
  UCD56635  Quercus X macdonaldii Janet Takahara 1992-5-16 s.n. Los Angeles Santa Catalina Island, near Avalon. Black Jack Campground, next to tool shed. Comment
  SEINET156515  Quercus agrifolia Norman C. Cooper 1943-11-21 974 Los Angeles Mint Canyon. East of Ranger Station. 762 Comment
  CDA21845  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles 11.4 miles west of Palmdale, beside road to Elizabeth Lake. 0 Comment
  UCR177729  Quercus berberidifolia LeRoy Gross 2000-10-28 303 A Los Angeles Los Angeles Basin region; Verdugo Mtns., Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 366 Comment
  CAS-BOT-BC62575  Quercus chrysolepis F. Grimmell 1903-12-30 90 Los Angeles Mount Wilson Trail, near Pasadena Comment
  RSA584135  Quercus chrysolepis Tim S. Ross 1990-6-8 2982 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
  RSA596079  Quercus chrysolepis Tim S. Ross, Steve D. Boyd 1995-6-28 8646 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA635031  Quercus chrysolepis Valerie L. Soza, Kent Hughes 1999-6-17 545 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  RSA773603  Quercus chrysolepis R. G. Swinney 2009-6-24 11266 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA774172  Quercus chrysolepis R. G. Swinney 2009-7-22 11326 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA779990  Quercus chrysolepis R. G. Swinney 2009-6-24 11230 Los Angeles summit of Granite Mountain 1988 Comment
  UCSB18134  Quercus douglasii A. Grant 1964-5-15 131 Los Angeles 200 YDS N OF MINT CANYON CAMPGROUND (OFF US HWY 6) 640 Comment
  CAS-BOT-BC86382  Quercus dumosa Marcus E. Jones 1924-2-15 s.n. Los Angeles San Antonio Canon, Claremont Comment
  POM270185  Quercus durata var. gabrielensis Lyman Benson 1946-10-15 12202 Los Angeles South margin, 2 miles north of Claremont; San Gabriel Mt. 457 Comment
  POM271152  Quercus durata var. gabrielensis Lyman Benson 1946-12-20 12268 Los Angeles Thompson Creek, just north of San Antonio Ave. NW of Claremont. San Gabriel Mt. 457 Comment
  RSA708549  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross 2001-5-9 1194 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
  RSA733303  Quercus durata var. gabrielensis Susan Grose, Lauren Breccio, LeRoy Gross 2007-11-11 191 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  UCR217314  Quercus durata var. gabrielensis R. G. Swinney 2009-2-26 10040 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  CAS-BOT-BC94164  Quercus engelmannii William Marriott Canby; Sargent 1894-3-1 451 Los Angeles Pasadena Comment
  RSA17931  Quercus engelmannii Percy C. Everett 1936-10-29 8307 Los Angeles Between Arcadia and Lamanda Park, along Foothill Blvd 183 Comment
  RSA476793  Quercus engelmannii E. S. Spalding 1926-3-13 15137 Los Angeles Monrovia Canyon Comment
  RSA733149  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 186 Los Angeles Monrovia, Hidden Valley Canyon. 525 N. Alta Vista, Monrovia. 277 Comment
  SBBG44666  Quercus garryana var. breweri W. B. Holt 1941-10-19 5 -1941 Los Angeles not far from Artesian Spring Camp, rd E of reservoir, Bouquet Cyn to Loma Pelona Lookout Comment
  UCSB28138  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge; West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  UCSB27970  Quercus lobata Lloyd, Robert 1959-3-24 Los Angeles Oak Flats Fire Station, ten miles north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  RSA479373  Quercus tomentella Mark Hoefs 1974-9-25 563 Los Angeles West fork of Gallagher's Canyon, Santa Catalina Island. 175 Comment
  SBBG13259  Quercus tomentella M. A. Piehl, F. Eisler -Jun-1962 62407 Los Angeles E of Thirst 243 Comment
  UC1349050  Quercus tomentella Robert F. Thorne and P. Everett 1965-5-10 34503 Los Angeles upper end of Gallagher Canyon Santa Catalina Island, Gallahger Canyon 411 Comment
  CAS-BOT-BC104856  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-20 8245 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 , WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  OBI14207  Quercus wislizeni var. frutescens Louis C. Wheeler 1932-4-16 628 Los Angeles W side Santa Anita Canyon, San Gabriel Mts 762 Comment
  RSA748582  Rafinesquia californica Scott D. White, Justin M. Wood 2009-5-6 12640 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  SBBG19180  Rafinesquia californica M. A. Piehl 1963-12-7 631063 Los Angeles N base of Pyramid Head 6 Comment
  SD53048  Rafinesquia californica Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, open grassland above Emerald Bay 120 Comment
  SEINET8696648  Ranunculus californicus G. B. Grant 1902-1 1109 Los Angeles Lincoln Park. Comment
  UCD115159  Raphanus raphanistrum Gordon J. Pilone 1963-4-15 263 Los Angeles Diamond Bar Ranch, Brea Canyon. Santa Ana Mountain Range. Comment
  SEINET3161869  Reseda alba G. B. Grant 1112 Los Angeles Collected at Covina Comment
  UCR124391  Rhamnus californica I. W. Clokey, B. C. Templeton 1929-1 4586 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA0030944  Rhamnus californica Bill Dewal s.n. Los Angeles Montrose Comment
  RSA390143  Rhamnus californica subsp. californica M. B. Dunkle 1933-6-17 3585 Los Angeles San Antonio River Canyon. Coastal Southern California. 915 Comment
  LA207790  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  RSA390809  Rhamnus crocea L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  RSA760593  Rhamnus crocea R. G. Swinney 2009-3-10 10072 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  CAS-BOT-BC56000  Rhamnus ilicifolia A. D. E. Elmer 1902-6-1 3649 Los Angeles Saugus Comment
  POM156311  Rhamnus ilicifolia L. R. Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  UCR212770  Rhamnus ilicifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1779 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, San Dimas Canyon Creek 380 Comment
  CAS-BOT-BC59795  Rhamnus pirifolia Edgar A. Mearns 1894-8-25 4065 Los Angeles San Clemente Island. Comment
  CATA455  Rhamnus pirifolia Sara L. Crockett, Mark Hoefs, Steve Junak 1997-3-27 598 Los Angeles Santa Catalina Island: 0.2 mile N on Lower Cape Canyon Reservoir Road from jct. with Cape Canyon Road; ca. 3 m E of road 286 Comment
  UCR50759  Rhamnus pirifolia Tom Scott 1988-5-8 s.n. Los Angeles Channel Islands, San Clemente Island, bottom of Horse Canyon Comment
  CAS-BOT-BC170450  Rhus integrifolia A. C. Sanders; Lee Jones 2005-4-8 29356 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente, Redondo Beach 7.5' - South Coast 42 Comment
  CHSC109991  Rhus integrifolia L. P. Janeway; B. Castro 2011-11-25 10783 Los Angeles Peninsular Ranges. North slope of Puente Hills, Shabarum Re-gional Park; along the dirt road/trail up the main canyon 0.8 km south of the horse corrals. 229 Comment
  POM39406  Rhus integrifolia I. W. Clokey, B. Templeton 1929-04 4431 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA535539  Rhus integrifolia T. S. Ross, Annette Ross 1991-9-7 5959 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 359 Comment
  SBBG97000  Rhus integrifolia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4402 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA0014726  Rhus integrifolia Laura Moore 1999-4-10 13 Los Angeles Pitzer College, Claremont; Center of Outback, across trail from small Quercus agrifolia. 351 Comment
  RSA0031690  Rhus laurina M. J. Schoenfeld 1967-8-21 8 Los Angeles Glendale Foothills. 213 Comment
  RSA101667  Rhus ovata M. D. Proctor 1944-4-9 831 Los Angeles Santa Anita Canyon Comment
  UCSB3760  Rhus ovata Olsen, Meryl 1954-4-15 Los Angeles In Claremont; San Gabriel Mts. 365 Comment
  POM50745  Rhus trilobata var. quinata A. D. E. Elmer 1902-06 3680 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC92289  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains. Arroyo Seco. 457 Comment
  RSA476412  Ribes amarum Albert J. Perkins 1931-2-22 14976 Los Angeles Sierra Madre Mts. along trail to Hoegee Camp Comment
  UCSB2585  Ribes amarum Kraebel, C. 1932-1 Los Angeles San Dimas Canyon; Angeles Forest Comment
  NY454623  Ribes aureum S. D. Boyd 1997-3-4 9154 Los Angeles Liebre Mountains region, Mint Canyon, just southwest of Sleepy Valley, south of Rowher Canyon along Sierra Highway 670.6 Comment
  SFV1604  Ribes aureum var. gracillimum K. A. Wilson, D. E. Bianchi 1961-2-2 824 Los Angeles San Gabriel Mountains Little Tujunga Canyon, 2 miles north of Route 118. 400 Comment
  UC575715  Ribes aureum var. gracillimum Lewis S. Rose 1934-12-27 34519 Los Angeles Monrovia Comment
  CHSC8454  Ribes californicum var. hesperium Edward Laidlaw Smith 1958-2-18 320 Los Angeles Cobal Canyon. San Gabriel Mt. Range. Cobal Creek drainage area. 609 Comment
  RSA476453  Ribes californicum var. hesperium F. R. Fosberg 1931-1-7 7117 Los Angeles Sierra Madre. 300 Comment
  RSA748670  Ribes californicum var. hesperium R. G. Swinney 2008-3-31 8595 Los Angeles Glendora Mountain summit 1003 Comment
  LA205420  Ribes cereum W. R. Ernst; June 1947 sn Los Angeles Lily Springs- Mt. Hawkins Comment
  UCR199857  Ribes indecorum LeRoy Gross, Naomi Fraga 2006-1-20 2444 Los Angeles Transverse Ranges, Verdugo Mountains, north end of the San Rafael Hills, along the main crest, north of Lookout Tower 503 Comment
  LA91472  Ribes malvaceum var. viridifolium Bruce Douglas Clayton; Greg Shaw 1972-4-7 sn Los Angeles Santa Monica Mountains, Upper Temescal and Rustic Canyons, Mountain Park Research Campus, 1/2 way down hill from rd at lowest canyon entrance 487 Comment
  RSA0021936  Ribes montigenum Robert F. Thorne, Larry E. DeBuhr 1974-7-28 44767 Los Angeles San Gabriel Mts, Angeles National Forest: Whitethorn Spring, Dorr Canyon Drainage, N slope Throop Peak. 2317 Comment
  RSA748497  Ribes nevadense Orlando Mistretta 1992-8-28 s.n. Los Angeles Mt. Gleason management unit. Angeles National Forest. Tujunga Ranger District. Comment
  UCR272857  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CAS-BOT-BC209701  Ribes quercetorum Louis C. Wheeler 1932-4-9 575 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  CLARK-A1528-4150  Ribes speciosum John C. Roos 1942-3-14 999 Los Angeles West Los Angeles Comment
  UCR212801  Ribes speciosum Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1750 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 348 Comment
  RSA3692  Ribes viburnifolium Carl B. Wolf 1932-5-10 3538 Los Angeles Santa Catalina Island, ridge between Mt. Shatto and the summit of Equestrial Trail, back of Avalon. 335 Comment
  RSA0086998  Ricinus communis R. G. Swinney 2010-4-21 12320 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA199019  Robinia pseudoacacia W. M. Gauntt 1966-4-9 139 Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road 915 Comment
  UC1211022  Rorippa nasturtium-aquaticum Huron H. Smith 1912-6-15 5113 Los Angeles road to Middle Ranch Santa Catalina Island 304 Comment
  CAS-BOT-BC146955  Rosa woodsii var. gratissima R. J. Dobbs 1924-7-17 3001 Los Angeles Near Buckhorn 1828 Comment
  CAS-BOT-BC158819  Rubus ursinus Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2973 Los Angeles Margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air-miles ENE of Barley Flats) - Upper Big Tujunga Canyon, San Gabriel Mountains 1231 Comment
  LA52074  Rubus ursinus A. M. Johnson; 1928-2-16 43 b Los Angeles 121 Comment
  POM366431  Rubus ursinus Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA756732  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36912 Los Angeles South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  SD262362  Rumex conglomeratus Mitch Provance, Scott Duff 2017-6-29 617 57 Los Angeles Catalina Isalnd: Middle Canyon, E of McGee Lake, SCE corridor, vicinity of Middle Ranch Rd. and Cape Canyon Trail. 206 Comment
  LA52270  Rumex conglomeratus J. A. Ewan; 1938-6-28 7518 Los Angeles 99 Comment
  RSA0127461  Rumex conglomeratus Louis C. Wheeler 1967-7-18 10078 Los Angeles Gold Creek, Watts Ranch (off Little Tujunga Canyon) at Center Creek. 640 Comment
  UCR259254  Rumex crispus R. G. Swinney 2010-6-4 12997 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  POM265701  Rumex crispus J. C. Roos 1942-10-19 2570 Los Angeles On vacant lot, West Los Angeles. Comment
  CAS-BOT-BC433573  Rumex hymenosepalus Paul Covel 1938-4-20 77 Los Angeles West of Palmdale Comment
  CAS-BOT-BC433915  Rumex salicifolius Lewis S. Rose 1946-7-21 46224 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  RSA0098782  Rumex salicifolius R. G. Swinney 2011-6-1 14942 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  SD252370  Rumex salicifolius Steven A. Junak 1999-9-10 Sca 1086 Los Angeles Santa Catalina Island: On S side of upper reservoir, Bulrush Canyon. 316 Comment
  SD80056  Sagina decumbens subsp. occidentalis C. W. Tilforth 1970-4-9 255 Los Angeles Rancho Santa Ana Botanic Garden, Claremont Comment
  CDA24077  Sagina procumbens R. Witt 1958-6-24 Los Angeles Pasadena. 0 Comment
  UCR270888  Sagina saginoides R. G. Swinney 2011-8-17 15629 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA607226  Salazaria mexicana Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  SDSU5645  Salicornia subterminalis R. M. Beauchamp 1967-3-17 245 Los Angeles San Clemente Island. Comment
  RSA478883  Salicornia virginica F. R. Fosberg 1931-5-20 S 4915 Los Angeles Catalina Harbor, Santa Catalina Island. 1 Comment
  RSA524174  Salix exigua Tim S. Ross, Steve D. Boyd 1990-6-6 2873 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA0115859  Salix exigua Steven A. Junak 1999-5-6 SCa- 887 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, just inland from creek mouth. 6 Comment
  UCR206462  Salix gooddingii A. C. Sanders, T. B. Salvato 2009-5-20 36853 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR271551  Salix gooddingii R. G. Swinney 2011-3-18 14166 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  POM50189  Salix laevigata A. D. E. Elmer 1902-06 3673 Los Angeles Lancaster. Comment
  RSA621265  Salix laevigata Louis C. Wheeler 1968-4-13 s.n. Los Angeles Bluebird Truck Trail 450 Comment
  UC506472  Salix laevigata Carl Hedin and Joseph Ewan 1932-4-22 7622 Los Angeles at Radford Dr. Los Angeles R.; San Fernando Valley, Los Angeles R. Comment
  UCR261361  Salix laevigata R. G. Swinney 2010-4-1 12169 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA0034814  Salix laevigata Ivan M. Johnston 2017-5-13 1903 Los Angeles El Monte 122 Comment
  POM177809  Salix lasiolepis Marcus E. Jones 1930-2-14 26535 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  POM362704  Salix lasiolepis Robert Gustafson 1981-4-14 2187 Los Angeles Ballona Wetlands, Area 3. Comment
  POM362708  Salix lasiolepis Robin S. Collins 1973-4-9 236 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
  UC492358  Salix lasiolepis F. R. Fosberg 1931-1-26 7173 Los Angeles at top of grade between Calabasas and Agoura 285 Comment
  LA210396  Salix lucida subsp. lasiandra Carl Hedin; Joseph Andorfer Ewan 1932-6-28 7674 Los Angeles Los Angeles River at Los Feliz Bridge Comment
  POM362908  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles San Antonio Mountains: Pine Mt. 2591 Comment
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Jan 26 2011
  UCR255481  Salpichroa origanifolia Dan S. Cooper 2014-6-4 614- 16 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Hollywood Reservoir, eastern edge of perimeter road/Canyon Lake Dr. 233 Comment
  CDA20306  Salsola australis M. O'Brien 2004-11-3 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 0 Comment
  RSA444919  Salsola tragus F. R. Fosberg 1931-05 S 4967 Los Angeles Santa Catalina Island. Mouth of draw, Isthmus Harbor. 1 Comment
  RSA589261  Salvia carduacea Tim S. Ross 1991-4-27 4665 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg SW of Three Sisters [buttes]. 1003 Comment
  UC25685  Salvia clevelandii unknown 1896-3-6 Los Angeles Valley Center Comment
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Jun 26 2015
  RSA0111948  Salvia columbariae Richard G. Swinney 2011-4-19 14399 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  SEINET4932267  Salvia columbariae Unknown 1995-3-30 1300 Los Angeles Los Angeles National Forest. Ridge Rt. USFS 8N04, 10km S of Hwy 138 Comment
  RSA0116965  Salvia columbariae Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55002 Los Angeles San Gabriel Mts. 976 Comment
  RSA14199  Salvia columbariae Carl B. Wolf 1926-5-15 180 Los Angeles Foothills of San Gabriel mts, above Monrovia Comment
  RSA251469  Salvia columbariae Robert F. Thorne 1973-4-11 42830 Los Angeles San Clemente Island: upper part of Norton Canyon. 274 Comment
  JEPS22887  Salvia dorrii var. pilosa Paul D. Hurd Jr. 1959-5-6 125 Los Angeles sw of Gorman, Los Angeles County (Hungry Valley); Hungry Valley Comment
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Apr 29 2008
  CAS-BOT-BC233664  Salvia leucophylla Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  SD43735  Salvia leucophylla Darley F. Howe 1948-5-29 1985 Los Angeles Santa Monica Mountains. Comment
  CAS-BOT-BC229938  Salvia mellifera Timothy S. Ross; Darin Banks 1994-4-12 7503 Los Angeles Liebre Mountains. San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Cyn from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon 670 Comment
  CDA1019  Salvia mellifera D. G. Kelch 1991-3-17 1336 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  RSA654644  Salvia mellifera Fred Brooks 1988-5-7 32 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  SD186251  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles Abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., and south of Foothill Blvd. 159 Comment
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Jun 22 2010
  SEINET4044582  Salvia mellifera D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 350 Comment
  UCR206410  Salvia mellifera A. C. Sanders, T. B. Salvato 2009-5-19 36828 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCSB9276  Salvia mellifera Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre 304 Comment
  UC1124870  Salvia spathacea A. D. Gifford 1934-4-24 158 Los Angeles 1 mi w Castro Pk.; Triunfo Pass 731 Comment
  RSA188139  Sambucus mexicana R. F. Thorne 1966-4-28 36210 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  UCR65543  Sambucus mexicana Aaron Liston, O. Mistretta, L. Rieseberg 1989-4-29 800 -2 Los Angeles South Channel Islands, San Clemente Island, Bryce Canyon, main branch. Comment
  CAS-BOT-BC238719  Sambucus nigra subsp. caerulea Peter H. Raven; Robert F. Thorne 1964-5-7 19019 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  RSA0069419  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-10 11802 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  UC57606  Samolus parviflorus J. H. Barber 1898-8-10 Los Angeles Topango Canyon Comment
  UC877769  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  LA202575  Sanguisorba minor subsp. muricata Elizabeth McClintock; 1943-3-27 176 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park, E of Greek Theater. Comment
  RSA583069  Sanicula arguta T. S. Ross 1993-4-22 6897 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 825m ESE of Cactus Peak summit, in saddle between 1548ft and 1528ft summits. 431 Comment
  LA32927  Sanicula arguta A. M. Johnson; 1932-2-27 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  SD52840  Sanicula arguta Peter H. Raven 1962-4-10 17211 Los Angeles San Clemente Island, north-facing slopes of Thirst 580 Comment
  RSA596923  Sanicula bipinnata Scott D. White, Chet McGaugh 1995-5-9 2981 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property;, site proposed for landfill expansion. 457 Comment
  UC1400376  Sanicula bipinnatifida Robert F. Thorne 1971-4-2 41427 Los Angeles n of Mountain Avenue (San Gabriel Mountains, Claremont, Johnson's Pastures); San Gabriel Mountains, Claremont, Johnson's Pastures 548 Comment
  RSA594757  Sanicula crassicaulis T. S. Ross 1995-4-7 8355 Los Angeles Templin Highway, ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  SBBG131642  Sanicula crassicaulis S. A. Junak 1999-4-22 SCa 844 Los Angeles Cape Cyn, just downstream from pumphouse, along E fork of Cape Cyn Rd, just upstream from fork in rd 304 Comment
  UCR182855  Sarcodes sanguinea R. G. Swinney 1997-7-23 5737 B Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  UC129428  Sarcostemma cynanchoides subsp. hartwegii unknown July, 1904 972 Los Angeles Covina Comment
  RSA503444  Schismus arabicus L. C. Wheeler 1967-5-12 9425 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA1409  Schoenoplectus americanus I. M. Johnston 1917-6-14 1349 Los Angeles West of Pomona. Comment
  UCR273173  Scrophularia californica R. G. Swinney 2011-4-26 14470 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
  UCR277211  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA699883  Scrophularia californica subsp. floribunda LeRoy Gross, Ted Anderson 2004-5-3 1217 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 and 2N76.2) 1245 Comment
  SBBG131972  Scrophularia villosa S. A. Junak 1990-11-9 SCI 138 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  SD53086  Scrophularia villosa Peter H. Raven 1962-5-10 17711 Los Angeles San Clemente Island, floor of canyon north of Thirst 305 Comment
  RSA445373  Scutellaria tuberosa Fay A. MacFadden 1931-4-10 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR187239  Secale cereale A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32203 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  SBBG70359  Sedum spathulifolium Anstruther Davidson -Jul-1893 Los Angeles Switzers Peak Comment
  RSA609104  Selaginella asprella Louis Cutter Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. Comment
  RSA628375  Selaginella asprella Scott D. White, Dave Bramlet 1998-6-29 6839 B Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  SBBG118489  Selaginella asprella L. C. Wheeler 1961-4-21 7803 Los Angeles ca. 0.5 mi W of Sulphur Springs Cmpgrd Comment
  LA32048  Senecio breweri Henry J. Thompson; 1959-4-19 1940 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UC147996  Senecio californicus C. F. Baker 1909-3-20 5251 Los Angeles Claremont Comment
  UC741140  Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo 10 Comment
  POM199  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  UCR157994  Senecio flaccidus var. monoensis David Charlton, Robb Fishman 1989-5-17 3184 B Los Angeles Mojave Desert, Antelope Valley, Quartz Hill, corner of Ave. 'M' and 50th St. West 762 Comment
  UCR55646  Senecio flaccidus var. monoensis S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  RSA158290  Senecio lyonii P. H. Raven 1962-4-10 17188 Los Angeles On hillside above Wilson Cove 107 Comment
  SBBG97025  Senecio lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4408 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA674721  Senecio mikanioides Scott D. White, Pam DeVries 2000-5-18 7903 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek Cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA670304  Senecio vulgaris Joseph M. Keefe 2001-3-19 31190 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  UCR146691  Sequoiadendron giganteum Scott D. White 2004-8-11 10719 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
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Jul 25 2018
  UCR172290  Setaria adhaerens Anuja Parikh, Nathan Gale 2005-7-11 2136 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCD92682  Setaria faberi Eldon Paddock 1951-8-1 s.n. Los Angeles S. P. tracks, 25 miles west of Alondra Rd. and Marquardt Ave., near Norwalk. Comment
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Jan 21 2015
  UCSB469  Setaria viridis B., K. 1943-8-21 Los Angeles Volfe Canyon above end of road, San Dimas Experimental Forest, San Gabriel Mountains Comment
  SBBG94045  Sibara filifolia M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  CAS-BOT-BC434382  Sidotheca trilobata Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  SBBG134045  Silene antirrhina R. Burgess, P. Munro 2005-5-18 6861 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 426 Comment
  CATA427  Silene gallica Sara L. Crockett, Sheila Schueller 1997-3-8 565 Los Angeles Santa Catalina Island: Valley of the Ollas, 2.8 miles W on Empire Landing Road from jct. with Airport Road, N side of road, ca. 200 m toward San Pedro Channel 268 Comment
  RSA213348  Silene gallica Reid V. Moran 1941-3-14 705 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
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Mar 26 2009
  RSA784844  Silene gallica J. D. Olmsted 1958-3-7 45 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern end of county. 366 Comment
  CAS-BOT-BC387012  Silene gallica C. W. Tilforth 1970-3-19 251 Los Angeles Rancho Santa Ana Bot. Gard., Claremont, LASCA Comment
  CAS-BOT-BC174899  Silene laciniata Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CHSC95857  Silene laciniata subsp. laciniata LeRoy Gross; M. Denslow, W. Hogshead, S. Swartzentruber 2003-6-17 1047 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. UTM Zone 11; 3784447N 0383368E. A smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall. (or seep). 519 Comment
  LA200356  Silene laciniata subsp. laciniata J. A. Ewan; 1929-5-18 1252 Los Angeles 365 Comment
  RSA477932  Silene laciniata subsp. major Fordyce Grinnell Jr. 1910-6-22 1931 Los Angeles Switzers trail 1066 Comment
  UCR142982  Silene lemmonii L. C. Wheeler 1932-5-28 777 Los Angeles San Gabriel Mtns, Cascade Canyon off San Antonio Canyon 1113 Comment
  RSA730292  Silene parishii R. G. Swinney 1998-8-27 6809 Los Angeles San Gabriel mtns.: gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  UCR194624  Silene parishii R. G. Swinney 1998-8-31 6866 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  RSA755713  Silene verecunda R. G. Swinney 2008-7-3 9151 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  SD178177  Sisymbrium altissimum Mark A. Elvin, Cathleen Weigand 2003-5-22 2895 Los Angeles Santa Susana Mtns.: crest of mountains at head of Salt Canyon, Newhall Ranch. 915 Comment
  UCR223578  Sisymbrium altissimum R. G. Swinney 2009-6-17 11225 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  LA210071  Sisymbrium irio Louis C. Wheeler; 1932-3-12 476 Los Angeles Santa Monica Mountains, Hollyhock Canyon, Mandeville Canyon 121 Comment
  RSA658877  Sisymbrium irio Douglas A. Springer 1981-2-26 26 Los Angeles Cal Poly Pomona University campus, parking lot J level 4 NE end. Comment
  SD51921  Sisymbrium irio Peter H. Raven 1962-4-9 17140 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  RSA431753  Sisymbrium officinale Freda Detmers 1931-6-19 s.n. Los Angeles Chino Hills border Santa Ana Valley. Comment
  RSA65824  Sisymbrium officinale F. W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco, west of Pasadena 411 Comment
  RSA0080646  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles 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
  LA200925  Sisyrinchium bellum Carlos Hagen; 1979-3-16 sn Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  UCR193169  Sisyrinchium idahoense R. G. Swinney 1999-8-14 7630 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  LA200855  Solanum americanum Michael Neuman; October 1983 5 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  RSA702825  Solanum americanum Scott D. White, John Green 2004-4-23 10228 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CATA1324  Solanum douglasii Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-15 2421 Los Angeles Santa Catalina Island: Upper end of Renton Mine Road 243 Comment
  HSC101347  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns.; Azusa/Irwindale boundary, San Gabriel River Channel, within 75 m of Foothill Blvd. bridge 177 Comment
  RSA0082963  Solanum douglasii R. G. Swinney 2010-8-26 13608 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA670308  Solanum douglasii Joseph M. Keefe 2001-3-19 31163 Los Angeles San Rafael Mountains. 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, CA 91208 466 Comment
  RSA422430  Solanum douglasii Ora M. Clark 1929-10-21 1218 Los Angeles N. W. Santa Monica Comment
  SD107809  Solanum douglasii Larry DeBuhr, Gary Wallace 1972-9-4 720 Los Angeles San Clemente Island, in seepage area below barracks at Wilson Cove Comment
  SJSU7857  Solanum douglasii G. A. Kattenhorn 1967-3-21 Los Angeles by Little Dalton Cr N of Glendora Comment
  SD69035  Solanum elaeagnifolium Robert F. Thorne 1966-9-15 36693 Los Angeles Santa Catalina Island: at riding stables, Avalon 14 Comment
  CDA8334  Solanum lanceolatum Ornsburn 2008-5-29 PDR# 1353883 Los Angeles Sylmar, 13734 Algeant Ave., 0 Comment
  RSA0085504  Solanum umbelliferum R. G. Swinney 2010-4-15 12262 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary. 415 Comment
  RSA578801  Solanum umbelliferum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8129 Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  UC574931  Solanum umbelliferum Carl Epling and Louis Wheeler 1933-6-4 1850 Los Angeles near Summit (Ridge Route); Ridge Route 1524 Comment
  UCR209052  Solanum umbelliferum Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  UCR256209  Solanum umbelliferum R. G. Swinney 2010-3-22 12015 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR19822  Solanum wallacei Freda Detmers 1929-4-13 s.n. Los Angeles Channel Islands, Santa Catalina Island: Descano Canyon 152 Comment
  RSA785745  Solanum xanti Carrie A. Herd 1982-4-9 73 Los Angeles San Gabriel River West Fork; 3/4 mi. W. of Hwy 39, 50 ft. above water Comment
  SEINET7047910 Image available Solanum xanti Steven R. Hill, Kate Kramer 2001-4-22 33359 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  RSA657349  Solanum xanti var. intermedium S. Campbell 1980-5-9 7 Los Angeles Verdugo Mountains Region: Verdugo Mountain Canyon, off La Tuna Canyon off-ramp from 210 Freeway, Fire Road East. 305 Comment
  RSA473617  Solidago californica M. B. Dunkle 1928-10-7 2011 Los Angeles Santa Catalina Island: Middle Ranch Canyon 183 Comment
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Oct 23 2011
  RSA761706  Solidago californica R. G. Swinney 2008-10-10 9569 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR141851  Solidago californica R. G. Swinney 1997-9-6 5858 Los Angeles San Gabriel Mountains, Mescal Picnic Park [= Mescal Campground] about 200 m N of Big Pines Rd along Mescal Canyon bottom. 1854 Comment
  RSA473691  Solidago confinis Thekla Mohr 1915-1 3007 Los Angeles North Fork, San Gabriel River. Comment
  UCR95730  Solidago occidentalis Lauren Raz, Steve Boyd 1996-10-23 5 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  LA209948  Solidago spectabilis Arthur C. Gibson; Tarja Sagar 2005-9-25 5101 Los Angeles Comment
  SEINET13276800 Image available Solidago velutina subsp. californica R. G. Swinney 2011-1 15885 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UC36210  Solidago velutina subsp. californica W. H. Brewer 1860-12-21 76 Los Angeles Sierra Santa Monica Comment
  RSA599737  Sonchus asper L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains: Middle Fork of Mill Creek, off Big Tujunga. 1067 Comment
  SBBG30803  Sonchus asper S. A. Junak 1998-5-2 SCa 646 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 252 Comment
  RSA0069885  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA482509  Sonchus oleraceus Richard Noyes, Laurel Arnseth 1988-4-30 494 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  SEINET10594631  Sorghum halepense Joseph A. Ewan 1931-5-11 Ewan 4185 Los Angeles Hard adobe soil, Vacaut lots at Bonnie Brae & Beverly Comment
  SBBG31408  Spartium junceum R. F. Thorne 1967-5-20 36907 Los Angeles Avalon, N and above stables 45 Comment
  UCR4226  Spartium junceum Lloyd Clark 1965-3-20 s.n. Los Angeles San Gabriel Mtns., At entrance to Palmer - Evey fire road above Claremont 701 Comment
  RSA602077  Spergula arvensis L. C. Wheeler 1946-7-9 6220 Los Angeles San Gabriel: Garibaldi Avenue and San Gabriel Boulevard. Comment
  RSA650330  Spergula arvensis Dolores Perez 1981-4-26 28 Los Angeles Zayanta Dr. at junction of 79th ST. in Playa del Rey. Comment
  UCR216372  Spergularia Dan S. Cooper 2010-4-23 410- 37 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0098742  Spergularia macrotheca Steve Boyd, Timothy S. Ross, Peter Fritsch 1990-4-6 4174 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack . 152 Comment
  SDSU4521  Spergularia marina A. H. Gallup 1949-3-17 343 Los Angeles 152 Comment
  CDA25235  Spergularia rubra R. G. Swinney 2000-5-21 7699 Los Angeles San Gabriel Mountains; Northeast of Azusa, Rincon Canyon, c. 300 meters southwest of Rincon Road entrance and Highway 39, on plateau west of Rincon Road. Comment
  CATA3064  Spergularia villosa Amy Catalano 2016-3-23 056 Los Angeles Santa Catalina Island: Open ridge 80 meters north of Airport Road in Fox Country, 162 meters due east of the Summit Vista Garden 438 Comment
  RSA0098570  Spergularia villosa L. C. Wheeler 1934-5-18 2453 Los Angeles W. end Puente hills 1 mi. N. Sycamore Canyon. 76 Comment
  RSA483227  Sporobolus airoides Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  RSA446608  Stachys albens Bonnie C. Templeton 1932-7-20 5015 Los Angeles Big Pines Park. 2092 Comment
  RSA755587  Stachys albens R. G. Swinney 2008-7-12 9171 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR243013  Stachys albens R. G. Swinney 2009-8-6 11524 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  RSA609014  Stachys bullata Louis C. Wheeler 1931-1 s.n. Los Angeles San Dimas: Puddingstone. Comment
  RSA446683  Stachys rigida subsp. quercetorum Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  LA52370  Stachys rigida var. rigida Carl Epling; May 1927 Los Angeles Santa Monica Mountains, Universal City, hills in rear [S] of 213 Comment
  RSA601059  Stanleya pinnata var. pinnata Steve Boyd, Lauren Raz 1997-6-18 10000 Los Angeles Liebre Mountains region: North base of Portal Ridge along the Broad Canyon Motorway, east of the mouth of Broad Canyon, edge of the Antelope Valley. 939 Comment
  RSA478171  Stellaria media Donald R. Bissing 1973-3-13 16 Los Angeles Evey Canyon, San Gabriel Mountains, 0.2 mile from mouth of canyon. 716 Comment
  UCR125430  Stellaria media A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25715 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
  UCR258554  Stellaria media R. G. Swinney 2010-8-9 13482 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  LA32086  Stephanomeria diegensis Peter H. Raven; Henry J. Thompson 1958-9-19 13721 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2