Search Results — 2000 specimen records retrieved (1567 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0009284  Abronia Scott D. White 2003-6-8 9510 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  RSA0104985  Abronia maritima Steven A. Junak 1999-7-16 SCa- 1059 Los Angeles Santa Catalina Island. Behind beach at N side of Cottonwood Canyon mouth. 3 Comment
  PASA580  Abronia pogonantha Margaret Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
Read comments
Sep 5 2014
  RSA69980  Abronia pogonantha F. W. Peirson 1921-5-19 2414 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  NY679483  Abronia umbellata L. T. Chamberlain 1899-1 s.n. Los Angeles Comment
  UCR205522  Acacia cyclops A. C. Sanders, T. B. Salvato 2009-5-19 36813 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  SBBG31226  Acacia decurrens R. F. Thorne with P. C. Everett 1965-6-22 34921 Los Angeles S of Avalon Golf Course; cultivated 121 Comment
  RSA249796  Acamptopappus sphaerocephalus var. hirtellus R. F. Thorne 1973-5-11 43495 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  POM18183  Acer macrophyllum Philip A. Munz 1923-9-1 7703 Los Angeles Swartout Valley, narrow north-facing canyon at old sawmill 2043 Comment
  UCR761  Acer macrophyllum Shirley Ward 1957-4-21 s.n. Los Angeles San Gabriel Mtns., Monrovia Canyon, 1/4 mile from waterfalls 673 Comment
  LA88546  Achillea millefolium O. H. Kappler; 1940-7-1 64 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  SEINET4345054 Image available Achnatherum coronatum A. C. Sanders, Helen Kennedy 2005-1 29446 Los Angeles Western San Gabriel/Liebre Mountains; Santa Clarita area, lower Mint Canyon at community of Mint Cayon 457 Comment
  POM484091  Achnatherum coronatum Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  RSA256321  Achnatherum speciosum J. R. Reeder, Charlotte G. Reeder 1973-6-2 6231 Los Angeles Angeles National Forest: ca. 5 miles SE of Valyermo, 1 mile N of Paradise Springs 1524 Comment
  UCSB69295  Achnatherum speciosum Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mtns; ridgeline to Mt. Emma and canyon S of this ridge; W from Mt Emma; E of Mt. Emma Rd. 1412 Comment
  RSA674845  Achyrachaena mollis Scott D. White 2000-5-6 7783 Los Angeles Puente Hills: City of Rowland Heights, Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  SFV1831  Acmispon argophyllus K. A. Wilson 1961-7-13 1247 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. 275 Comment
  SDSU4280  Acmispon argophyllus var. adsurgens R. M. Beauchamp 1967-1-29 162 Los Angeles East side of Pyramid Cove below Marine outpost. Comment
  SBBG98627  Acmispon argophyllus var. argenteus T. Ross 1991-5-20 5350 Los Angeles un-named knoll ca. 5500' S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  LA48001  Acmispon dendroideus var. dendroideus R. Herley; 1932-4-26 sn Los Angeles Santa Catalina Island, Avalon Canyon Comment
  SD90317  Acmispon dendroideus var. dendroideus Robert F. Thorne 1970-3-5 39374 Los Angeles Santa Catalina Island, upper Avalon Canyon in coastal sage scrub Comment
  SDSU4344  Acmispon dendroideus var. traskiae R. M. Beauchamp 1967-1-27 120 Los Angeles San Clemente Island. On slope south of Wilson Island Cove. Comment
  CHSC8355  Acmispon glaber Edward L. Smith 1957-5-2 170 Los Angeles Located in a wash at Pomona College. 365 Comment
  SBBG44998  Acmispon glaber C. B. Wolf 1931-7-2 Los Angeles Little Tujunga Wash, 0.5 mi above bridge on Sunland to San Fernando Rd 335 Comment
  CAS-BOT-BC518730  Acmispon glaber var. glaber R. G. Swinney 2010-5-12 12724 Los Angeles San Gabriel Mountains: Barrell Springs Road at jct with 42nd St East, on SW side of road from 30 to 150 meters W of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  LA52404  Acmispon grandiflorus var. grandiflorus E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SD253445  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 Los Angeles Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCD104242  Acmispon micranthus Louis C. Wheeler 1934-4-15 2526 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  SBBG19158  Acmispon strigosus M. A. Piehl 1963-12-8 631081 Los Angeles a few 100 yds from mouth of Cave Cyn 4 Comment
  UC75982  Acourtia microcephala Geo. B. Grant August 1902 945 Los Angeles Pasadena; Southern California Comment
  RSA94810  Acourtia microcephala F. W. Peirson 1919-7-1 520 Los Angeles South base of San Gabriel Mtns, Fish Canyon. 457 Comment
  UC485226  Acourtia microcephala D. L. Crawford 1915-7-14 555 Los Angeles mts above Claremont; Southern California Comment
  CATA3203  Adenostoma fasciculatum Julie L. King 2016-11-22 22 Los Angeles Santa Catalina Island: West End Rd., n-facing slope, south side of road, about 0.17 miles ESE of entrance to Cherry Valley 47 Comment
  LA207862  Adenostoma fasciculatum A. M. Johnson; 1933-5-20 4309 Los Angeles Fish Canyon Wash, N side Foothill Boulevard, just W of bridge Comment
  LA52121  Adenostoma fasciculatum A. M. Johnson; 1934-4-20 4430 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  OBI26244  Adenostoma fasciculatum Mark Schneider 1973-5-17 27 Los Angeles Seven Hills Ranch, Tujunga, San Bernardino Mts 549 Comment
  PASA1204  Adenostoma fasciculatum Sally Ellis 1939-5-5 Los Angeles Baseline Comment
  UCR124752  Adenostoma fasciculatum B. C. Templeton 1930-5-27 1453 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 600 Comment
  RSA390567  Adenostoma fasciculatum var. fasciculatum Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  UCR281311  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2014-5-8 16447 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
  SBBG82791  Adiantum capillus-veneris M. Bufkin -Jun-1895 Los Angeles near Pasadena Comment
  UC185222  Adiantum capillus-veneris Geo. B. Grant 1904-6-17 24 Los Angeles Arroyo Seco Canyon Comment
  UCR194254  Adiantum capillus-veneris R. G. Swinney 1998-8-5 6653 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  CATA821  Adiantum jordanii Mark L. Hoefs 1991-6-17 1398 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  RSA592514  Adiantum jordanii Mark Hoefs 1973-3-13 72 Los Angeles Santa Catalina Island: upper Avalon Canyon, west of Memorial. 259 Comment
  RSA687715  Adiantum jordanii F. R. Fosberg 1931-3-23 R 79 Los Angeles Santa Catalina Island, Hamilton Canyon. 30 Comment
  UC450863  Adiantum jordanii Fay A. MacFadden 1931-3-29 54 F Los Angeles Tuna Canyon; Verdugo Hills Comment
  UC811132  Adiantum jordanii I. W. Clokey and E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  UC399481  Adiantum jordanii C. F. Millspaugh 1920-3-12 4773 Los Angeles Equestrian Trail; Santa Catalina Isl Comment
  SEINET9881302  Aegilops ovata B. L. Johnson 1967-1 Los Angeles University of California Los Angeles (grown from seed from Botanisher Garden der Universitat, Zurich) Comment
  RSA577890  Agave Louis C. Wheeler 1936-6-21 4170 Los Angeles W Fork Palmer Canyon 640 Comment
  CAS-BOT-BC127236  Agrostis exarata L. R. Abrams; I. L. Wiggins 1931-7-6 370 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  RSA577546  Agrostis exarata L. C. Wheeler 1936-7-2 4202 Los Angeles Big Dalton Canyon 457 Comment
  UCD53087  Agrostis pallens R. H. Blanford 1959-5-29 1 Los Angeles Santa Monica Mtns., Malibu area, Castro Peak. Comment
  RSA594553  Agrostis scabra F. R. Fosberg 1931-8-12 790 Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  JEPS104752  Allium John L. Morrison 1937-6-18 2551 Los Angeles San Gabriel Mountains; a ridge between Windy Camp and Mount Hawkins Comment
  RSA601831  Allium burlewii Steve Boyd, Lauren Raz 1997-6-17 9944 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit., Near 34 deg 41' 19.3''N 118 deg 34' 28.3''W. 1597 Comment
  RSA0073266  Allium fimbriatum var. fimbriatum Orlando Mistretta, Christine Mistretta 2005-4-21 2071 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA668073  Allium haematochiton Ian Swift, Michael C. Long 2002-3-5 361 Los Angeles San Jose Hills, Frank G. Bonelli County Park, south of Via Verde Drive. 0.9km SE of Park HQ. 338 Comment
  RSA517137  Allium haematochiton Timothy S. Ross, Steve Boyd 1990-5-14 2490 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 1104 Comment
  SEINET6051196  Allium lacunosum Unknown 1973-4-21 Los Angeles San Gabriel Mountains. Foothills. 2 miles northeast of Vincent. Comment
  RSA706664  Allium monticola Naomi Fraga, Paul Morton 2004-5-18 1187 Los Angeles Along main trail to summit of Mount Hillyer. 1890 Comment
  UCR192931  Allium peninsulare Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Royce Canyon, Griffith Park, Los Angeles 320 Comment
  UCR68850  Allium praecox Steve Boyd, T. S. Ross, Peter Fritsch 1990-4-6 4176 Los Angeles San Clemente Island, East side of the island, steep slope 0.2 mi south of US Navy site called 'Jack'. 152 Comment
  RSA536042  Allium praecox Timothy S. Ross 1991-5-21 5410 Los Angeles San Clemente Island: junction of the upper two forks of Box Canyon, SW side of the island. 450 Comment
  CATA217  Allophyllum glutinosum Mark L. Hoefs 1973-4-27 202 Los Angeles Santa Catalina Island: Upper Avalon Canyon 121 Comment
  RSA187853  Allophyllum glutinosum R. F. Thorne 1966-4-28 36229 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  CAS-BOT-BC170983  Alnus rhombifolia C. F. Baker 1908-8-2 3667 Los Angeles San Antonio Canon [canyon] near Claremont Comment
  CHSC95781  Alnus rhombifolia LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 551 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  RSA452779  Alnus rhombifolia Geo C. Johnstone 1927-10-30 15739 Los Angeles Arroyo Seco Canyon above Switzer's Comment
  RSA0019767  Amaranthus albus Orlando Mistretta, Christine Mistretta 2011-7-1 5890 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA145719  Amaranthus albus P. H. Raven 1961-9-24 16746 Los Angeles Bouquet Reservoir at east end 915 Comment
  RSA402950  Amaranthus albus F. R. Fosberg 1919-8-10 S 5621 Los Angeles Crystal Lake, Pine Flats, N. Fork San Gabriel Canyon 1600 Comment
  RSA402954  Amaranthus albus Robert Gustafson 1980-8-29 1872 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  SD197645  Amaranthus blitoides A. C. Sanders, T. B. Salvato 2009-5-20 36875 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Boulevard (Highway 19) and west of Santa Anita Avenue. 66 Comment
  SBBG133185  Amaranthus californicus B. C. Templeton 1942-10-14 6588 Los Angeles Griffith Park, near Municipal Nursery Comment
  UCR142890  Amaranthus hybridus L. C. Wheeler 1966-10-25 9066 Los Angeles San Gabriel Mtns, E[dwin]Waldo Ward's grove, 0.25 mi. north of El Encanto, San Gabriel Canyon 244 Comment
  LA32010  Amblyopappus pusillus Peter H. Raven; 1959-4-4 Los Angeles Santa Monica Mountains, just E of Zuma Beach 9 Comment
  RSA127780  Ambrosia chamissonis Peter H. Raven, Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  SD69456  Ambrosia chamissonis Robert F. Thorne, P. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island, Ben Weston Beach, west side of island on dunes Comment
  SD92030  Ambrosia chamissonis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-25 22705 Los Angeles San Clemente Island, sandy flat northwest end 4 Comment
  IRVC28761  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25546 Los Angeles Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters NE end of Santa Susana Mtns. 396 Comment
  RSA0120020  Ambrosia salsola R. G. Swinney 2014-4-30 16263 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
  UCSB11715  Ambrosia salsola var. salsola Stern, Lee 1962-5-4 Los Angeles On California 138, 10.1 miles E of Pearblossom 1051 Comment
  UC80650  Amorpha fruticosa Anstruther Davidson Los Angeles Los Angeles Comment
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Jul 1 2010
  SEINET10500471  Amphilophium buccinatorium Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4829 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  POM3975  Amsinckia eastwoodiae Anonymous 1891-3-20 3975 Los Angeles Alhambra Comment
  POM6859  Amsinckia intermedia P. A. Munz, L. T. Street, G. Williams 1919-3-8 2289 Los Angeles Pomona. Comment
  RSA499941  Amsinckia intermedia F. R. Fosberg 1931-4-15 s 4642 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA592819  Amsinckia intermedia Steve Boyd 1996-4-25 8670 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  SD85083  Amsinckia intermedia E. R. Blakley 1963-4-7 5519 Los Angeles Santa Catalina Island, Middle Ranch Canyon, ca. 1 miles above Middle Ranch 230 Comment
  CHSC85794  Amsinckia tessellata Richard R. Halse 2002-3-25 6134 Los Angeles Along State Hwy. 138, 5.3 miles W of its junction with State Hwy. 14; Antelope Valley. Road margins. 723 Comment
  POM368396  Amsinckia tessellata Roy R. Snelling 1977-3-19 17 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1066 Comment
  SFV9186  Amsinckia tessellata H. Wells 1968-3-30 14 Los Angeles Mojave Desert 3.1 miles north of junction of Palmdale Boulevard and State Highway 14 on State Highway 14. 1.4 miles west of junction of State Highway 14 and side road, on side road. Comment
  RSA249770  Amsinckia tessellata var. tessellata R. F. Thorne, C. W. Tilforth 1973-4-20 43017 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  UC1922237  Anagallis arvensis Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 886 Los Angeles Verdugo Mountains; northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  CAS-BOT-BC45259  Ancistrocarphus filagineus Ralph Hoffman 1932-4-27 s.n. Los Angeles Lancaster Comment
  IRVC29539  Ancistrocarphus filagineus A. C. Sanders 2003-4-29 26169 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA603895  Ancistrocarphus filagineus L. C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  CHSC99440  Andropogon glomeratus var. scabriglumis LeRoy Gross 2000-8-25 264 Los Angeles Big Tujunga Wash/Verdugo Mountains: Orcas Park, entered from Foothill Blvd. onto Orcas Ave. Walking east of park along sandy road toward stream, growing along road. 324 Comment
  SD230131  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1946-9-2 6343 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile W of Bear Creek. 518 Comment
  UC597674  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles San Dimas , San Dimas (Puddingstone Canyon) 304 Comment
  UCR192055  Androsace elongata subsp. acuta A. C. Sanders 2008-4-11 34847 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 960 Comment
  CAS-BOT-BC400318  Anemopsis californica Carl B. Wolf 1932-9-16 4097 Los Angeles Bryant Ranch. 100 - 150 ft. W. of State Highway, at extreme SE. corner of Pacific Western Oil Co. Lease 3 Comment
  SD69483  Anemopsis californica Robert F. Thorne 1966-4-5 35857 Los Angeles Santa Catalina Island; along Cottonwood Creek below dam in Cottonwood Canyon 106 Comment
  CAS-BOT-BC400312  Anemopsis californica Alice Eastwood 1906-5-31 86 Los Angeles Country adjacent to Los Angeles. Bimini Baths Comment
  LA200151  Anthemis cotula Jonathan Sauer; D. Luksik 1978-5-27 6036 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Chamise area Comment
  RSA296164  Anthemis cotula Mark Hoefs 1973-5-14 276 Los Angeles Santa Catalina Island, Road to Memorial by Pump House, Upper Avalon Canyon. 61 Comment
  SEINET2044244 Image available Antheropeas wallacei Norman C. Cooper, D. Cooper 1948-4-21 2681 Los Angeles Littlerock. 762 Comment
  UCR119055  Antirrhinum coulterianum Jeremiah George 2001-4-27 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Palos Verdes Estates 30 Comment
  UCSB32469  Antirrhinum coulterianum Coz, Susan 1977-6-4 Los Angeles 5 mi N on Malibu Cyn Rd from Hwy 1; E side of road across from Tapia park 182 Comment
  SEINET4044465  Antirrhinum kelloggii D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  RSA128266  Antirrhinum kelloggii H. J. Thompson 1959-4-12 1918 Los Angeles 2 miles west of Las Virgenes Road, Mulholland Hwy. Santa Monica Mountains. 305 Comment
Read comments
Aug 26 2009
  SBBG117050  Aphanes occidentalis S. A. Junak with K. Kirkland 2001-4-14 SCa 1444 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  SBBG131580  Aphanes occidentalis S. A. Junak 2000-4-15 SCa 1212 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  RSA177679  Aphanisma blitoides R. F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 45 Comment
  RSA0016912  Aphanisma blitoides Colton Russell s.n. Los Angeles Redondo Comment
  POM147961  Apiastrum angustifolium Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  SBBG12439  Apiastrum angustifolium P. H. Raven 1962-5-9 17665 Los Angeles near head of cyn at S end of Mosquito Cove 320 Comment
  UC303503  Apiastrum angustifolium Crawford and Hiatt 1916-3-28 Los Angeles Santa Monica Mountains, Topanga Canyon Topanga Canyon; Santa Monica Mountains, Topanga Canyon Comment
  UC440441  Apiastrum angustifolium H. Anderson, Carl Epling 1930-5-30 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon Comment
  UCR207701  Apiastrum angustifolium Justin M. Wood 2009-4-2 463 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  SBBG59625  Apium graveolens R. Hoffmann 1927-6-14 Los Angeles Gorman Comment
  UCD127232  Apium graveolens Larry DeBuhr; Gary Wallace 1972-9-4 718 Los Angeles San Clemente Island, below barracks at Wilson Cove. 457 Comment
  RSA733780  Apocynum androsaemifolium R. G. Swinney 1998-7-29 6535 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA229012  Apocynum cannabinum R. F. Thorne, C. W. Tilforth 1971-6-30 40771 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  UCSB4908  Apocynum cannabinum Wedberg, H. 1958-7-3 Los Angeles About 5 mi. below Crystal L., San Gabriel Mtns. Comment
  RSA729756  Aquilegia formosa R. G. Swinney 1999-7-28 7593 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
  UCR210263  Aquilegia formosa R. G. Swinney 2008-8-14 9432 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR190080  Aralia californica R. G. Swinney 1998-8-5 6634 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
Read comments
Sep 19 2020
  SEINET13711369  Araucaria bidwillii Edward Frederick Anderson, Edward Frederick Anderson 1963-1 Los Angeles Claremont, Pomona College Campus, Corner of 4Th & Harvard Ave Comment
  RSA177893  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1965-5-11 34669 Los Angeles near road to Hay Press; Santa Catalina Island. 457 Comment
  UC1871322  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Channel Islands; Santa Catalina Island; SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit 402 Comment
  UCR108320  Arctostaphylos gabrielensis L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns., Divide between W Fork Bear Creek and Devils Canyon 1822 Comment
  RSA626683  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15789 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA626815  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20198 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626677  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22076 Los Angeles Crystal Lake Recreation Area. San Gabriel Mtns. 1770 Comment
  POM367378  Arctostaphylos glandulosa subsp. gabrielensis Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  UC303637  Arctostaphylos glandulosa subsp. glandulosa Geo. B. Grant Jul 1904 59 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC39306  Arctostaphylos glauca J. H. Thomas 1957-5-8 6742 Los Angeles San Gabriel Mountains, about 10 mi. NE of Pasadena 1371 Comment
  JEPS38725  Arctostaphylos glauca W. L. Jepson 1920-5-3 8929 Los Angeles mts. above Castaic Creek (Ridge Route) 975 Comment
  RSA631466  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16003 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631575  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15967 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA634749  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20597 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634770  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20425 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634774  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20347 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA634796  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20508 Los Angeles Chilao Campground. 1600 Comment
  RSA635053  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20359 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635089  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20412 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635163  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20282 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  RSA635237  Arctostaphylos patula Jon E. Keeley 1992-10-15 22075 Los Angeles Crystal Lake Cpgrd., San Gabriel Mtns. 1850 Comment
  RSA725893  Arenaria douglasii A. C. Sanders 2003-5-1 26251 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch. 412 Comment
  UCR101514  Arenaria macradenia var. arcuifolia Steve Boyd, Laura Moore, M. Wall 1997-7-24 10024 Los Angeles Liebre Mountian Region, Sumit of Liebre MOuntain, saddle at head of N Fork Fish Canyon, north of Atmore Meadows and south of Oak Flat, along FS Rd. 7N23, 4.2 mi west of jct with 7N08. 1720 Comment
  UCR101510  Arenaria macradenia var. kuschei Steve Boyd, Et al. 1997-7-8 10006 A Los Angeles Liebre Mountian Region, SE flank of Liebre Mtn., along ridge dividing Fish Cyn. and Bear Cyn. drainages, NE of Atmore meadows, along rough dirt track following old fuel break. 1744 Comment
  UC120415  Arenaria macradenia var. macradenia S. B. Parish 1882-5-1 1329 Los Angeles Mojave Desert, Rock Creek Comment
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Sep 27 2016
  UC57615  Arenaria macradenia var. macradenia J. H. Barber 1897-7-11 n 18 Los Angeles Mt. Gleason Summit Comment
  RSA729306  Argemone munita R. G. Swinney 1998-7-2 6229 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SD181429  Argemone rotundata Louis C. Wheeler 1953-9-12 7049 Los Angeles San Gabriel Mountains; Blue Ridge near Grassy Hollow. Comment
  SBBG96689  Aristida adscensionis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4193 Los Angeles upper reaches of China Cyn Comment
  CAS-BOT-BC84967  Artemisia californica H. E. McMinn 1924-7-25 1299 Los Angeles Catalina Island Comment
  RSA128060  Artemisia californica Peter H. Raven, Henry J. Thompson 1959-10-31 14727 Los Angeles Mandeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  SBBG118764  Artemisia californica F. R. Fosberg 1931-12-10 7157 Los Angeles Avalon, Public Utilities Cyn 50 Comment
  SD85056  Artemisia californica E. R. Blakley 1962-1-7 4836 Los Angeles Santa Catalina Island, ocean bluff Comment
  CATA1691  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2986 Los Angeles Santa Catalina Island: Middle Ranch Reservoir 188 Comment
  SBBG26131  Artemisia dracunculus E. C. Twisselmann 1966-9-8 12789 Los Angeles upper Castaic Valley 1188 Comment
  RSA626227  Artemisia tridentata subsp. tridentata L. C. Wheeler 1966-10-1 8953 Los Angeles San Gabriel Mountains: West Fork Coldwater Canyon 0.3 miles west of Colby Ranch 1249 Comment
  SEINET183959  Artemisia tridentata subsp. tridentata C. B. Wolf 1931-11-6 2567 Los Angeles In low pass 3 miles west of Benton, Benton Range 2042 Comment
  RSA0104731  Asclepias eriocarpa R. G. Swinney 2009-7-29 11417 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR202515  Asclepias eriocarpa R. G. Swinney 2001-8-9 8025 Los Angeles San Gabriel Mtns., Mount Williamson, western ridge 2515 Comment
  RSA747095  Asclepias fascicularis A. C. Sanders, T. B. Salvato 2009-5-19 36834 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  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
  UCR271208  Asclepias fascicularis R. G. Swinney 2011-11-1 15964 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  POM8707  Asclepias fascicularis P. A. Munz, R. D. Harwood 1920-8-11 4386 Los Angeles 1 mi. So. of Claremont. 366 Comment
  UCSB7584  Asclepias fascicularis Crum, Charles 1958-7-15 Los Angeles Mulholland drive between Sepulveda and Topanga roads, near Los Angeles, California Comment
  CATA1996  Asparagus asparagoides Steven A. Junak, Mark Hoefs 1997-6-4 409 Los Angeles Santa Catalina Island: Small cove at W end of Empire Landing rock quarry site 6 Comment
  LA94124  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1776 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 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
  UCR142533  Aster greatae P. H. Raven, Wesley O. Griesel 1970-10-13 16842 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  UC1614045  Astragalus Charles M. Belshaw 1935-3-29 494 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  CAS-BOT-BC177527  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  RSA188080  Astragalus didymocarpus var. didymocarpus R. F. Thorne 1966-4-30 36357 Los Angeles Santa Catalina Island; Grassy slope above Gallagher's Canyon 427 Comment
  RSA0118841  Astragalus douglasii A. C. Sanders 2006-4-10 31977 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  CAS-BOT-BC182839  Astragalus douglasii Ernest C. Twisselmann 1959-6-2 5335 Los Angeles Old Ridge Route, 7.7 miles south of Liebre Mountain Road 1036 Comment
  CAS-BOT-BC178344  Astragalus gambelianus Geo. B. Grant 1903-4-23 5438 Los Angeles Saugus Comment
  RSA609601  Astragalus gambelianus L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  RSA112059  Astragalus lentiginosus var. albifolius H. D. Ripley, R. C. Barneby 1943-6-21 5853 Los Angeles N. of Lancaster. 640 Comment
  RSA143815  Astragalus lentiginosus var. antonius J. T. Howell 1947-7-18 23406 Los Angeles Blue Ridge 2438 Comment
  CHSC40746  Astragalus leucopsis LeRoy Abrams 1903-3-8 3109 Los Angeles Southern California. Hills near Inglewood. Comment
  CAS-BOT-BC186463  Astragalus nevinii Robert F. Thorne 1966-4-15 35994 Los Angeles San Clemente Island: 2/3 mi SSE of Eel Point (& N of Seal Cove, SW side of island) 30 Comment
  UC1128876  Astragalus trichopodus P. L. Johannsen 1934-1-30 259 Los Angeles 3 mi s Girard; Calabasas Quadrangle, s of Girard; TRS coordinates followed by SBM Comment
  RSA415738  Astragalus trichopodus var. lonchus E. A. Purer, Freda Detmers 1931-3-12 s.n Los Angeles Palos Verdes Hills. Comment
  RSA592370  Astragalus trichopodus var. lonchus Mark Hoefs 1974-3-28 426 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  CAS-BOT-BC199098  Astragalus trichopodus var. phoxus John Thomas Howell 1928-4-5 3720 Los Angeles Lower end of Bouquet Canyon, Liebre Mts. Comment
  POM123359  Astragalus trichopodus var. phoxus Marcus E. Jones 1926-6-7 s.n Los Angeles Ridge Route. Comment
  RSA600558  Athyrium filix-femina L. C. Wheeler 1954-9-1 7074 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA591913  Athysanus pusillus L. C. Wheeler 1967-5-2 9262 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  UC1595297  Athysanus pusillus Tim Ross 1991-3-10 4222 Los Angeles on e side of Rancho Santa Ana Botanic Garden (vicinity of (some 15m ne of) Phake Lake, Bernard Field Station); Claremont, Bernard Field Station 391 Comment
  UCR238074  Atriplex argentea Mark A. Elvin, M. S. Enright 2002-7-22 2111 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  SBBG80317  Atriplex argentea var. expansa F. C. Boutin 1967-4-23 1622 Los Angeles N end of island; between Northwest Harbor and airstrip Comment
  UC54951  Atriplex argentea var. mohavensis H. P. Chandler 1902-9-9 4013 Los Angeles roadside near Ballona Lagoon; near Ballona Lagoon Comment
  LA50818  Atriplex californica Harlan Lewis; 1940-4-3 1283 Los Angeles Santa Monica Mountains, 10 mi. W of Malibu Beach 22 Comment
  SDSU5544  Atriplex californica R. M. Beauchamp 1967-1-27 111 Los Angeles San Clemente Island. Comment
  UC284142  Atriplex californica P. A. Munz 1923-4-8 6616 Los Angeles San Clemente Island Comment
  RSA452410  Atriplex canescens H. L. Bauer 1927-12 s.n. Los Angeles Antelope Valley Comment
  CAS-BOT-BC168275  Atriplex canescens var. canescens Vernon Bailey 1907-10-30 s.n. Los Angeles Saugus Comment
  LA204699  Atriplex canescens var. canescens Joseph Andorfer Ewan; 1930-10-22 3424 Los Angeles Bouquet Canyon Road out of Saugus 365 Comment
  UCR236896  Atriplex coulteri Jeremiah George, Audrey George 2012-6-1 s.n. Los Angeles South Coast, Palos Verdes Estates, Malaga Cove immediately SW of the Palos Verdes Beach and Athletic Club 5 Comment
  UCR216374  Atriplex glauca Dan S. Cooper 2010-5-3 510- 42 Los Angeles South Coast, Portuguese Bend, Palos Verdes Peninsula 63 Comment
  UCR125401  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25474 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  CAS-BOT-BC170107  Atriplex lentiformis L. R. Abrams 1901-8-21 2189 Los Angeles Santa Monica Comment
  UCR188677  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007- 05 Los Angeles South Coast, Malibu Lagoon near 'Malibu Colony' along state park access road, just above water line; west of highway and north of Malibu Creek 1 Comment
  SD126140  Atriplex nummularia A. C. Sanders 1987-9-18 7380 Los Angeles El Segundo Dunes, west of Los Angeles International Airport and Pershing Dr. 39 Comment
  RSA478383  Atriplex rosea F. R. Fosberg 1930-7-7 S- 3156 -a Los Angeles Alamitos Bay 2 Comment
  SEINET4136020  Atriplex rosea Louis C. Wheeler 1946-8-28 6294 Los Angeles San Gabriel Mountains. Caldwell Lake.; 0 1570 Comment
  RSA0082912  Atriplex semibaccata Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3132 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along terrace overlooking the ocean. 21 Comment
  SBBG20563  Atriplex semibaccata E. R. Blakley 1963-12-8 6402 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  RSA596762  Atriplex serenana L. C. Wheeler 1970-8-31 s.n. Los Angeles Los Angeles. Corner of 18th and Georgia St. Comment
  SBBG130571  Atriplex suberecta S. A. Junak 2000-10-13 SCa 1415 Los Angeles Deer Valley Reservoir (Summit Reservoir) 167 Comment
  SEINET4136203  Atriplex suberecta Howard C. Stutz 1988-10-4 89149 Los Angeles Grown in BYU greenhouse from seed collected 5 mi N of Lancaster.; 0 Comment
  UC483216  Atriplex watsonii L. R. Abrams and I. L. Wiggins 1931-7-7 398 Los Angeles Santa Catalina Island Channel Islands, , Catalina Harbor (Catalina Harbor) Comment
  RSA660892  Avena barbata Ann Williams 1992-5-14 23 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  SBBG98688  Avena fatua T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5052 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  LA206325  Azolla filiculoides Peter H. Raven; Henry J. Thompson 1959-10-18 14676 A Los Angeles Santa Monica Mountains, N arm of Malibu Lake 220 Comment
  RSA694980  Azolla filiculoides George R. Johnstone 1936-3-22 s.n. Los Angeles Soledad Comment
  CDA10366  Baccharis emoryi Unknown Dec 1936 s.n. Los Angeles Los Angeles 0 Comment
  POM350333  Baccharis emoryi F. R. Fosberg 1930-10-18 641 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  RSA754358  Baccharis pilularis Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1752 Los Angeles Turnbull Canyon, Turnbull Canyon Road 465 Comment
  SD9151  Baccharis pilularis J. C. Nevin Unknown Los Angeles Newhall Mountains. Comment
  UC1118878  Baccharis pilularis R. St. John 1930-1-21 76 Los Angeles creek bottom w of Plot #12; Triunfo Pass Quad. 335 Comment
  POM48474  Baccharis salicifolia F. W. Peirson 1924-12-3 5384 Los Angeles San Gabriel Wash at Foothill Boulevard, Azusa. Comment
  RSA150936  Baccharis salicifolia Peter H. Raven 1962-5-8 17629 Los Angeles Dunes on western side 0.3 mile from the ocean, opposite Wilson cove, San Clemente Island. 12 Comment
  JEPS26180  Baccharis salicifolia subsp. salicifolia Peter H. Raven and Henry J. Thompson 1959-9-6 14383 Los Angeles mouth of Malibu Creek; Santa Monica Mountains, Malibu Creek 12 Comment
  UC53978  Baccharis salicifolia subsp. salicifolia H. P. Chandler 1907-9-9 7030 Los Angeles Ballona Marshes Comment
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Sep 26 2011
  PASA2174  Baeria chrysostoma var. gracilis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UCR149517  Barbarea orthoceras R. G. Swinney 1997-7-17 5682 Los Angeles San Gabriel Mtns., west of Wrightwood, meadow at Big Pines, south of junction of Hwy 2 and Big Pines Hwy 2061 Comment
  RSA592338  Bassia hyssopifolia R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42193 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  RSA648694  Bellis perennis Patricia Kouo 1994-5-6 945300 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the West side of Rosemead Blvd , at the most south lake. Comment
  CAS-BOT-BC75750  Berberis nevinii J. C. Nevin 1885-1-1 s.n. Los Angeles San Fernando. Comment
  RSA5778  Berberis nevinii C. B. Wolf 1932-7-6 3834 Los Angeles San Fernando Valley, 2 blocks east of Pacoima Grammar School on Van Nuys Blvd. 335 Comment
  UC472306  Berberis nevinii J. Grinnell 1903-10-31 Los Angeles wash near <Garnsey>; San Fernando Valley Comment
  UCR159957  Berberis nevinii Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 652 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mtns, S side: Cobal Canyon, Claremont Hills Wilderness Park, west of fire road up Cobal Canyon, above junct of Burbank and Cobal fire roads 518 Comment
  UC447140  Bidens pilosa J. Ewan 1931-5-11 4187 Los Angeles Los Angeles, Ocean View Street Comment
  UCSB770  Bloomeria crocea Wedberg, Lee 1954-5-17 Los Angeles Griffith Park 243 Comment
  UCR238657  Boechera californica Anuja Parikh, Nathan Gale 2010-6-22 3360 Los Angeles Transverse Range, San Gabriel Mountains, Upper Shortcut Canyon, 0.5 km south of State Hwy 2 (Angeles Crest Hwy), 1.2 km southeast of intersection of State Hwy 2 and Upper Big Tujunga Canyon Road 1400 Comment
  RSA0128794  Boechera californica Percy C. Everett, E. K. Balls 1958-4-25 22955 Los Angeles San Antonio Dam, 4 miles N of Claremont Comment
  RSA452005  Bowlesia incana E. S. Spalding 1925-4-23 s.n Los Angeles Turnbull [?] Canyon Comment
  RSA355902  Brachypodium distachyon R. F. Thorne 1975-9-4 47382 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  CDA3637  Brassica nigra L. C. Wheeler 1967-5-18 9654 Los Angeles San Gabriel Mtns., divide between Reynier and Placerita Canyon Comment
  CAS-BOT-BC36737  Brassica rapa John I. Carlson 1915-6-13 s.n. Los Angeles Avalon. Santa Catalina Island. Comment
  RSA599969  Brassica rapa L. C. Wheeler 1968-3-21 s.n. Los Angeles Glendora Ridge Truck Trail; T1N R10W S24, SW/4, NE/4 610 Comment
  RSA482913  Brassica rapa Ora M. Clark 1929-1-13 1470 Los Angeles N of San Pedro. Comment
  RSA781424  Brassica tournefortii Erika Gardner, LeRoy Gross, Nancy Hamlett 2012-3-8 3 Los Angeles City of Claremont, Bernard Field Station, at the south entrance gate. Found on the south side of the fence near Foothill Blvd and along the southwest border of the station along Dartmouth Ave. 398 Comment
  UCR117564  Brickellia californica A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23266 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  RSA636095  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South fork Big Rock Creek, near mouth. Comment
  UC1929741  Brodiaea filifolia V. Soza, LeRoy Gross 2001-5-22 1242 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (less than 100 feet below). 473 Comment
  RSA320806  Brodiaea kinkiensis F. C. Boutin 1967-4-23 1685 Los Angeles San Clemente Island: Near center of island, along main road, about 1 air mile south of Lemon Tank. Comment
  RSA187201  Bromus arizonicus Le Roy Abrams 1929-3-14 12635 Los Angeles Hollywood. Comment
  SD90600  Bromus arizonicus Robert F. Thorne 1966-4-16 36024 Los Angeles San Clemente Island, above Wilson Cove, NE end of the island. 29 Comment
  LA35887  Bromus arizonicus Peter H. Raven; Henry J. Thompson 1960-4-12 15019 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  RSA612158  Bromus carinatus var. carinatus L. C. Wheeler 1932-7-2 912 Los Angeles Brown's Flat 1311 Comment
  RSA682409  Bromus carinatus var. carinatus Valerie L. Soza, Bill Hogshead 2003-5-6 s.n. Los Angeles On Chantry Flat Road (2N41) from Picnic Ground to the north end of Santa Anita Canyon Road. 610 Comment
  CATA638  Bromus diandrus Mark L. Hoefs 1991-4-16 1103 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  CATA75  Bromus diandrus Peter Henrikson 1987-4-13 57 Los Angeles Santa Catalina Island: Hermit Gulch 121 Comment
  CATA815  Bromus diandrus Mark L. Hoefs 1991-6-17 1390 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  RSA649917  Bromus diandrus Matt Brooks 1988-5-12 68 Los Angeles Hacienda Heights, Oak Canyon Dr. 0.1 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  POM298885  Bromus hordeaceus Frank W. Gould 1944-4-12 2283 Los Angeles [Los Angeles] Comment
  RSA0089141  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA202472  Bromus hordeaceus R. L. Armacost 1963-5-23 1659 Los Angeles Santa Monica. Comment
  RSA535303  Bromus hordeaceus subsp. molliformis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5323 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  CAS-BOT-BC162337  Bromus madritensis Peter H. Raven 1962-5-20 17780 Los Angeles Santa Catalina Island. Farnsworth Loop on summit road. 243 Comment
  UC1131219  Bromus madritensis subsp. rubens G. T. Nordstrom 1935-3-23 398 Los Angeles 1/2 mi w of Caswell's 914 Comment
  LA13818  Bromus madritensis subsp. rubens Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA650441  Bromus rubens Vernon Cliffe 1948-5-13 s.n. Los Angeles found growing in flood control nr. Gladstone St. Bridge. 3 miles W. of San Dimas. 259 Comment
  RSA668293  Bromus rubens Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 99 Los Angeles San Clemente Island. Comment
  RSA706980  Bromus rubens L. M. Prince, N. Refulio 2002-3-25 2 -282 Los Angeles Los Angeles National Forest north of Claremont. ~4 km north of San Antonio Dam on Mt. Baldy Rd. In NE facing ravine. 900 Comment
  RSA714197  Bromus rubens Valerie L. Soza, Miriam Sidibeh 2003-3-26 1614 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA721302  Bromus rubens R. G. Swinney 1998-4-11 5936 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  SBBG38839  Bromus rubens M. B. Dunkle 1939-4-4 7256 Los Angeles Pyramid Cove Comment
  UCD59643  Bromus rubens Elise Jackson 1993-4-21 36 Los Angeles Saugus, Bouquet Cyn. Road, 10 mi. NE of junction w/ Valencia Blvd. 487 Comment
  UCR200016  Bromus rubens Valerie Soza, Mariam Sidibeh 2003-3-26 1596 Los Angeles Transverse Ranges; Verdugo Mountains, North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Drive intersection 625 Comment
  RSA639173  Bromus sterilis L. C. Wheeler 1967-7-6 9929 Los Angeles San Gabriel Mountains: San Dimas Canyon 488 Comment
  SD247283  Bromus tectorum Mitch Provance, Callen Huff 2009-4-29 10696 Los Angeles Tehachapi Mountains: Tejon Ranch south of Lebec, lower slopes above Interstate 5, about 0.5 mile east of Gorman; site PO1088/1090 (Lebec 7.5'Q) 1230 Comment
  RSA0019947  Bromus tectorum R. F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  RSA0056474  Bromus tectorum Donald Tahara 1975-5-25 70 Los Angeles Near top of Devil's Cyn. Trail off Angeles Crest Hy. Comment
  UCR152453  Cakile maritima A. C. Sanders, Lee Jones 2005-4-8 29369 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 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
  SFV1426  Cakile maritima R. L. Armacost 1959-1-10 1095 Los Angeles Malibu. Malibu Beach. Comment
  UC851918  Calandrinia ciliata Louis C. Wheeler 1932-3-12 486 Los Angeles La Verne 304 Comment
  UC557725  Calandrinia ciliata Nell Murbarger March, 1936 106 Los Angeles mesa top and upper slopes of e side of island San Clemente Island Comment
  RSA660800  Calochortus albus LeRoy Gross, Valerie Soza 2001-6-6 431 Los Angeles Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 701 Comment
  POM147681  Calochortus catalinae Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA377303  Calochortus catalinae Louis C. Wheeler 1932-5-7 686 Los Angeles U.C.L.A. Campus West of Los Angeles. 137 Comment
  CAS-BOT-BC132345  Calochortus clavatus Reid Moran 1941-8-17 862 Los Angeles Pico Canyon 600 Comment
  SBBG124789  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2010-4-22 2157 Los Angeles Newhall Ranch, Long Cyn, 1.5 km N of Potrero Cyn, 1.5 km S of Del Valle 333 Comment
  RSA660447  Calochortus plummerae Orlando Mistretta 1992-6-26 624 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. 1595 Comment
  SBBG31279  Calochortus splendens R. F. Thorne with P. C. Everett 1965-6-24 35027 Los Angeles Rancho Escondido, Escondido Cyn 213 Comment
  CAS-BOT-BC493412  Calochortus splendens Williams; Street; Munz 1919-5-3 2625 Los Angeles Santa Ana River Canon Comment
  UCR264994  Calochortus striatus Russell Huddleston, Michelle Balk 2015-4-21 s.n. Los Angeles Western Mojave Desert, SW corner of Edwards Air Force Base, west of Rosamond Dry Lake, 0.15 mile south of Ave. A and 0.6 mile east of Division St./ Shuttle Rd., Piute Ponds 701 Comment
  CAS-BOT-BC496765  Calochortus venustus Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall. Comment
  RSA249749  Calycoseris parryi R. F. Thorne 1973-5-11 43478 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA0110529  Calyptridium monandrum R. G. Swinney 2011-6-7 15094 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. 1768 Comment
  UCR200182  Calyptridium monandrum Valerie Soza, Laura A. Moore 2000-5-10 849 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines, west of peak ''1936' 564 Comment
  UCR261772  Calyptridium monandrum R. G. Swinney 2010-5-11 12684 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UC105083  Calystegia macrostegia subsp. amplissima T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA650298  Calystegia macrostegia subsp. cyclostegia Kenny Palmer 1948-5-16 s.n. Los Angeles Found in wash 2 mi. N. of San Dimas. Comment
  SD31181  Calystegia macrostegia subsp. intermedia Edith A. Purer 1931-3-12 997 Los Angeles Palos Verdes Hills. Comment
  RSA733158  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-6-13 5593 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UCR125945  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  RSA764505  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2591 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA729727  Camissonia R. G. Swinney 1999-6-18 7329 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA465663  Camissonia bistorta Jack Rempel 1932-4-24 15316 Los Angeles El Segundo. Comment
  RSA465977  Camissonia boothii subsp. decorticans R. S. Woglum 1930-4-13 s.n. Los Angeles North Hollywood Comment
  UCR113673  Camissonia boothii subsp. decorticans L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mtns, Between Little Tujunga and Oliver Canyons 556 Comment
  RSA562002  Camissonia californica Blanche Trask 1897-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA454725  Camissonia campestris subsp. campestris Christopher Davidson 1973-4-1 1882 Los Angeles Mojave Desert, 1 mile S of Littlerock. 762 Comment
  RSA611659  Camissonia claviformis Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10089 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  UCR86842  Camissonia hirtella Scott D. White 1995-4-27 2955 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
  RSA311276  Camissonia hirtella Robert F. Thorne, M. Z. Thorne 1969-7-10 38370 Los Angeles San Gabriel Mts., Angeles National Forest: along Mescal Creek 2027 Comment
  RSA449002  Camissonia hirtella Ralph Hoffmann 1930-6-6 s.n. Los Angeles Piru Creek. Comment
  RSA0012415  Camissonia intermedia Orlando Mistretta, Christine Mistretta 2011-6-16 5697 Los Angeles Northern edge of San Gabriel Mountains, Along Southern California Edison transmission line corridor, 0.5 air miles N of Aliso Canyon Rd. 1141 Comment
  RSA127869  Camissonia intermedia H. J. Thompson 1959-4-12 1926 Los Angeles Santa Monica Mountains: 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  RSA449029  Camissonia micrantha Louis C. Wheeler 1932-5-21 735 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  RSA655789  Camissonia pallida subsp. pallida James Henrickson 2000-4-21 20717 Los Angeles Ca. 17 mi W of State Highway 14, along Hwy 138 near 14348 W. Avenue D. at a site for a Spring monopole. Comment
  UCR123644  Camissonia pallida subsp. pallida Steven R. Hill, K. Kramer 2001-4-22 33370 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA449270  Camissonia palmeri Anstruther Davidson 1893-5-10 s.n. Los Angeles Lancaster. Comment
  SEINET2054747  Camissonia pusilla C. J. Helmkamp, E. A. Helmkamp 1998-5-21 4041 Los Angeles Western Mojave Desert; Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1097 Comment
  RSA639974  Camissonia strigulosa Louis C. Wheeler 1967-5-29 9775 Los Angeles Cow Canyon Saddle, [covered former dump]. 1378 Comment
  UCR229156  Camissonia strigulosa Dan S. Cooper 2011-4-22 411- 48 Los Angeles San Fernando Valley, Sun Valley, on Tujunga Ave near Keswick Street 240 Comment
  CAS-BOT-BC160435  Camissoniopsis cheiranthifolia subsp. suffruticosa L. R. Abrams 1901-5-28 1679 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC160441  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1957-3-24 9 Los Angeles On the beach at intersection of Birdview Drive x Westward Beach Road, Point Dume Comment
  LA46736  Camissoniopsis intermedia Carl Epling; Lincoln Ellison Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon. Comment
  LA91488  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-4-11 89 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  SDSU2475  Capsella bursa-pastoris A. H. Gallup 1949-3-14 325 Los Angeles South Claremont in orchard. 351 Comment
  UC10291  Capsella bursa-pastoris W. H. Brewer Feb. 1861 169 Los Angeles San Gabriel Comment
  SBBG31244  Cardamine californica R. F. Thorne 1966-4-7 35962 Los Angeles bottom of cyn, Cherry Valley 60 Comment
  UCR213775  Cardamine californica var. californica Scott D. White, Justin M. Wood 2009-5-6 12631 Los Angeles San Gabriel Mountains, San Gabriel River - West fork between Bear Creek and Cogswell Dam 732 Comment
  UCR200210  Cardamine oligosperma Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 882 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  UCR200214  Carduus pycnocephalus Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 877 Los Angeles Verdugo Mountains, northeast side'', Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Near archery station off main road. 366 Comment
  RSA0065711  Carex alma Justin M. Wood 2011-7-7 4339 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  UC822618  Carex alma C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-5-13 Los Angeles Bouquet Canyon 450 Comment
  UCR178887  Carex alma R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mtns., Glendora, north end of Big Dalton Dam near Big Dalton Canyon Rd. 518 Comment
  SEINET7549325 Image available Carex alma Louis C. Wheeler 1967-5-24 9750 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  CAS-BOT-BC19231  Carex barbarae Alice Eastwood 1906-5-27 140 Los Angeles Laurel Canyon. Comment
  CAS-BOT-BC20596  Carex douglasii R. F. Thorne; C. W. Tilforth; et al 1972-6-29 42081 Los Angeles Angeles National Forest. San Gabriel Moutains. Summit of Table Mountain above Big Pines. 2286 Comment
  UC212800  Carex hassei I. M. Johnston 1917-7-28 1413 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2438 Comment
  SEINET3904188  Carex multicaulis Orlando Mistretta, Christine Mistretta 2008-4-29 2552 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 6, Impact area 10 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. UTM ZONE 11S.; 0 1246 Comment
  RSA577698  Carex schottii L. C. Wheeler 1933-5-12 1722 Los Angeles Puddingstone Canyon, San Jose Hills. 244 Comment
  UCR194760  Carex spissa Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 712 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  UC212969  Carpobrotus chilensis S. B. Parish 1918-6-5 11884 Los Angeles Playa del Rey Comment
  RSA0065412  Castanopsis sempervirens Marion P. Harthill 1971-9-25 585 Los Angeles Mt. Baden Powell, Angeles National Forest. Comment
  CAS-BOT-BC248912  Castilleja Francis W. Pennell 1940-6-24 25996 Los Angeles Pine Mountain, s. of Swartout [Swarthout] 2499 Comment
  SBBG18818  Castilleja affinis M. A. Piehl 1962-10-5 62520 Los Angeles 1.7 mi from Wrigley Ranch toward airport Comment
  SBBG79234  Castilleja affinis W. A. Wright 1931-2-19 Los Angeles above school, Banning Cyn Comment
  LA52005  Castilleja affinis Harlan Lewis; 1940-2-4 s.n. Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy. 457 Comment
  RSA716885  Castilleja affinis subsp. affinis LeRoy Gross, Bryan Carey 2006-6-6 s.n. Los Angeles Road suvey for the Forest Service: Lower section of Grass Mountain Road ( 6N04.1) at junction with and north of Bouquet Canyon Road, just west of Lincoln Crest. 1098 Comment
  UCR189713  Castilleja applegatei R. G. Swinney 1998-7-10 6400 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  POM175584  Castilleja applegatei subsp. martinii E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  RSA733564  Castilleja applegatei subsp. martinii R. G. Swinney 1998-8-13 6752 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  RSA641679  Castilleja applegatei subsp. martinii Orlando Mistretta 1993-6-2 846 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2043 Comment
  SEINET7063479  Castilleja exserta subsp. exserta A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  UCSB10405  Castilleja exserta subsp. exserta McElwain, Isabelle 1953-3-21 Los Angeles on edge of top of cliffs; Point Dume Comment
  JEPS30530  Castilleja foliolosa Henry J. Thompson 1959-3-27 1880 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains 670 Comment
  UCR20063  Castilleja gleasoni T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest. East slope of Mt. Gleason, immediately NE of microwave station on 3N17 1829 Comment
  UCR277009  Castilleja miniata R. G. Swinney 2010-9-30 13919 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
  RSA448775  Castilleja minor subsp. spiralis Anstruther Davidson 1889-06 s.n. Los Angeles Glendale. Comment
  RSA530078  Castilleja minor subsp. spiralis Tim S. Ross 1991-8-16 5870 Los Angeles San Gabriel Mountains, Horse Flats. 1744 Comment
  RSA727614  Castilleja plagiotoma R. G. Swinney 1998-4-14 6023 Los Angeles San Gabriel Mtns./Southern Mojave Desert: mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream. 1476 Comment
  RSA0034574  Caulanthus cooperi B. C. Templeton, I. W. Clokey 1930-4-8 1035 Los Angeles West of Lancaster. 305 Comment
  SBBG129109  Caulanthus coulteri S. Leatherman, J. Pareti 2014-4-17 Los Angeles Castaic Lake area in the Grasshopper Cyn Watershed, E of Interste 5 and W of the Castaic Lake Dam 1370 Comment
  UC10965  Caulanthus heterophyllus Harley P. Chandler 1897-4-12 Los Angeles Claremont 609 Comment
  CAS-BOT-BC39563  Caulanthus major Joseph Ewan; Nesta Ewan 1936-8-2 s.n. Los Angeles San Gabriel Mountains. 1.5 mile below head of Cedar Canyon off Mescal Creek. Comment
  UC79799  Ceanothus arboreus T. S. Brandegee May 1899 Los Angeles Santa Catalina Island Comment
  UCR8305  Ceanothus cordulatus J. L. Huber 1969-5-25 973 Los Angeles San Gabriel Mtns., 1 mi east of Kratka Ridge, Pleasant View Ridge Trail 2287 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
  CAS-BOT-BC48732  Ceanothus crassifolius Tim Ross; Orlando Mistretta 1993-5-27 7319 Los Angeles W end of the San Gabriel Mtns: southwesterly draw 1200 ft WSW of May Canyon Saddle. 1060 Comment
  LA52212  Ceanothus crassifolius Henry J. Thompson; 1959-2-23 1851 Los Angeles SANTA MONICA MOUNTAINS, Castro Peak, Latigo Canyon Rd, 1 mi SE Mulholland Hwy, N side of main crest of mountains, NW slope of Castro Peak. 594 Comment
  UCR270643  Ceanothus crassifolius var. crassifolius R. G. Swinney 2011-3-22 14180 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  CAS-BOT-BC48877  Ceanothus cuneatus John Thomas Howell 1928-4-5 3719 Los Angeles near head of Bouquet Canyon, Liebre Mts. Comment
  RSA724569  Ceanothus cuneatus K. Dobry 1991-3-23 d- 261 Los Angeles 415 Stunt Rd. Santa Monica Mts. Upper Cold Creek Cyn Comment
  RSA77353  Ceanothus greggii var. vestitus F. W. Peirson 1918-6-16 4448 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  SD230279  Ceanothus greggii var. vestitus Steve Boyd, T. S. Ross, L. Moore, V. Soza 1997-7-8 10002 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon watershed, along Sawmill Mountain Road (7N23), ca. 0.7 miles from junction with Maxwell Truck Trail and Burnt Peak road. 1500 Comment
  SD42010  Ceanothus greggii var. vestitus D. F. Howe 1947-5-6 Los Angeles North face of San Gabriel Mts Comment
  RSA660450  Ceanothus integerrimus Orlando Mistretta 1992-6-26 621 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. 1634 Comment
  UCR210137  Ceanothus integerrimus R. G. Swinney 2008-8-13 9393 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA0097778  Ceanothus integerrimus var. macrothyrsus R. G. Swinney 2011-7-8 15492 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC50557  Ceanothus leucodermis George B. Grant; Walter Wheeler 1904-5-17 145 a Los Angeles Mt. Wilson 1828 Comment
  LA42077  Ceanothus leucodermis Willis H. Wheeler; 1930-4-13 sn Los Angeles San Gabriel Mountains, San Antonio Canyon Comment
  LA44911  Ceanothus megacarpus C. & M. Epling; May 1925 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA399123  Ceanothus megacarpus Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  SBBG130742  Ceanothus megacarpus S. A. Junak 2000-3-31 SCa 1153 Los Angeles W side of rd to White's Landing, ca. 0.2 mi N of intersection with rd to Echo Lake 396 Comment
  SEINET12210835  Ceanothus megacarpus W. Knight, Knight, I. 1982-1 4481 Los Angeles Tilden Botanic Garden, Berkeley. Originally collected from Catalina Island, plant about 25 years ol Comment
  RSA399743  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  UCR124376  Ceanothus spinosus I. W. Clokey, B. C. Templeton 1929-1 4438 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR133585  Ceanothus spinosus Tema S. Clare 1929-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  RSA726014  Centaurea melitensis A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26139 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
  UCD130055  Centaurea melitensis Daryl Koutnik 1978-6-3 513 Los Angeles Mulholland Highway, east of Old Topanga Canyon and across from Calabasas High School. 304 Comment
  CAS-BOT-BC272069  Centaurea melitensis Alice Eastwood 1917-7-20 6480 Los Angeles Santa Catalina Island Comment
  LA94401  Centaurea melitensis Carl Epling; 1926-5-8 Los Angeles Santa Monica Mountains, Topango Canyon Comment
  JEPS46973  Centaurium exaltatum Frank W. Peirson 1921-7-2 2482 Los Angeles Pallett Creek San Gabriel Mountains 1097 Comment
  UC1375328  Centaurium exaltatum Robert F. Thorne and C. W. Tilforth 1971-6-29 40694 Los Angeles 2.2 mi down Aliso Canyon junction with Angeles Forest Rd. (margins of Aliso Creek); San Gabriel Mts., Angeles National Forest, Aliso Creek 1036 Comment
  JEPS46928  Centaurium venustum Chas. J. Lovell 1941-7-1 Los Angeles Altadena San Gabriel Mts. Comment
  POM246431  Centranthus ruber F. R. Fosberg 1931-3-27 s- 4418 Los Angeles Pebble [Pebbly] Beach Road, Santa Catalina Island. 10 Comment
  RSA305980  Centranthus ruber Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  UCSB44835  Centranthus ruber Bailey, Jon 1978-3-28 Los Angeles End of Brill Drive in Studio City 213 Comment
  UC62948  Centromadia pungens subsp. pungens Ernest Braunton 1903-6-1 899 Los Angeles Glendale to Burbank; L. A. River Comment
  RSA727339  Centrostegia thurberi R. G. Swinney 1998-5-16 6058 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  CAS-BOT-BC251520  Cercis occidentalis Camille F. Nowell 2012-6-28 40 Los Angeles At side of Mt. Baldy Road in San Gabriel Mountains 1151 Comment
  LA47757  Cercocarpus betuloides Victor Duran; 1933-8-10 3544 Los Angeles San Gabriel Mountains, South Fork Big Rock Creek 1394 Comment
  POM156313  Cercocarpus betuloides L. R. Abrams 1903-3-11 3116 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  SD215641  Cercocarpus betuloides Louis C. Wheeler 1972-12-20 12788 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UCR223542  Cercocarpus betuloides R. G. Swinney 2009-6-2 11003 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC135509  Cercocarpus betuloides var. betuloides Tim Ross 1993-4-22 6912 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; near dogleg in drainage, Santa Catalina South USGS 7.5'. 230 Comment
  LA52115  Cercocarpus betuloides var. betuloides A. M. Johnson; 1932-5-30 4110 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  UCR272347  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-3-15 14092 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn., east portion of park 244 Comment
  UCSB6976  Cercocarpus betuloides var. betuloides Ralph, F. 1959-5-15 Los Angeles Near a wash in Mint Canyon, near a campground on U.S. Hwy. 6, 7.9 miles northeast of jct. with Soledad Canyon Rd. 457 Comment
  SBBG70698  Cercocarpus betuloides var. blancheae F. R. Fosberg 1932-5-6 8122 Los Angeles cyn above Villa Park, Avalon 30 Comment
  UCR104153  Chaenactis artemisiifolia Scott D. White 1997-5-21 5215 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  UCSB10330  Chaenactis artemisiifolia Bacigalupi, Rimo; Heckard, L. 1953-5-9 Los Angeles La Tuna Canyon, east of Sun Valley, north end of Verdugo Hills Comment
  SBBG46704  Chaenactis fremontii Leota Davidson 1965-5-9 164 a Los Angeles E of Little Rock Comment
  UC1174387  Chaenactis fremontii Ira L. Wiggins and W. R. Ernst 1958-5-2 230 Los Angeles 1 mi nw of Little Rock Comment
  UCR186559  Chaenactis glabriuscula A. C. Sanders 2006-5-16 32344 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR41719  Chaenactis glabriuscula G. R. Ballmer, G. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CAS-BOT-BC277352  Chaenactis glabriuscula var. glabriuscula Carl B. Wolf 1936-5-27 7839 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  CAS-BOT-BC277358  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Victor W Steinmann 1995-5-8 8555 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley 1182 Comment
  CAS-BOT-BC277383  Chaenactis glabriuscula var. glabriuscula Louis Wheeler 1933-7-4 1901 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  RSA0060813  Chaenactis glabriuscula var. glabriuscula LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6961 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
  SBBG12582  Chaenactis glabriuscula var. glabriuscula E. R. Blakley 1958-5-9 2261 Los Angeles ca. 2 mi E of Gorman 1097 Comment
  UC221537  Chaenactis glabriuscula var. glabriuscula A. D. E. Elmer 1902-6-1 3702 Los Angeles Acton Comment
  RSA590597  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, Walter Appleby 1993-5-20 7181 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  JEPS30578  Chaenactis glabriuscula var. orcuttiana Donald M. Kyhos 1958-5-10 58 -187 Los Angeles Playa del Rey Comment
  CAS-BOT-BC277825  Chaenactis santolinoides A. J. McC. 1893-8-16 s.n. Los Angeles Old Baldy trail Comment
  SFV16958  Chaenactis santolinoides J. N. Hogue, P. Wilson 1997-6-27 87 .1 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  RSA0073717  Chaenactis stevioides Orlando Mistrettta, Christine Mistretta 2005-4-21 2053 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA717346  Chaenactis xantiana Scott D. White, Pam De Vries 2006-5-9 11416 Los Angeles SE Tehachapi Mtns: Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SBBG15905  Chaenactis xantiana W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  UCSB17154  Chamaesyce albomarginata Otey, D. 1963-5-3 Los Angeles 9.4 miles west of San Bernardino County Line on California Highway 138 944 Comment
  RSA662174  Chamaesyce polycarpa var. polycarpa Stephen Hill 1981-2-2 11 Los Angeles 0.7 mi. S. of Silverbit on Valley Center in open field on N. side of road. Comment
  RSA616712  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  CDA35267  Chamaesyce serpyllifolia Phillipson 1915-5-28 Los Angeles Sierra Madre. Comment
  UCR99444  Chasmanthe floribunda L. C. Wheeler 1968-3-28 s.n. Los Angeles San Gabriel Mtns. Foothills, vicinity of stables, Brown School for Girls 335 Comment
  UC399606  Cheilanthes covillei George B. Grant and Walter Wheeler 1904-5-17 6264 Los Angeles Mt Wilson 1524 Comment
  UC399615  Cheilanthes covillei Geo. L. Moxley 1915-7-21 399 Los Angeles on trail to Barley Flats; San Gabriel Mts 1524 Comment
  RSA85865  Cheilanthes newberryi F. W. Peirson 1923-4-10 3439 Los Angeles North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. Comment
  UCR208184  Cheilanthes newberryi L. C. Wheeler 1932-9-30 1412 Los Angeles San Gabriel Mountains, Fish Canyon 305 Comment
  UCR223806  Chenopodium R. G. Swinney 2009-8-25 11492 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA423275  Chenopodium album Glenn A. Gorelick 1966-4-3 s.n. Los Angeles Back of a store on Pico Blvd. and Bedford St., Los Angeles. Comment
  RSA594395  Chenopodium ambrosioides Steve Boyd, Lauren Raz 1996-10-14 9072 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  UC1584104  Chenopodium ambrosioides Tim Ross and Orlando Mistretta 1990-10-26 3315 Los Angeles Horse Canyon Saddle San Gabriel Mountains, Horse Canyon drainage (off n side, in upper reaches of canyon drianage) 853 Comment
  UCR186400  Chenopodium ambrosioides T. B. Salvato, Sarah Flack 2007-8-8 3044 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  SBBG65288  Chenopodium berlandieri R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  UC1394442  Chenopodium leptophyllum H. A. Wahl 1966-8-26 21758 Los Angeles 1 mi w Big Pines 2133 Comment
  POM265707  Chenopodium multifidum J. C. Roos 1937-7-19 1159 Los Angeles Pasadena. Comment
  RSA478535  Chenopodium murale F. R. Fosberg 1931-4-2 S 4458 Los Angeles Santa Catalina Island. Descanso Canyon. 30 Comment
  SD146307  Chenopodium murale Scott D. White 1996-5-19 4053 Los Angeles Geneva Ave., north of San Jose, south of Arrow Highway; west of Indian Hill, east of Towne. 320 Comment
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Dec 19 2008
  RSA1235  Chenopodium murale Fay A. MacFadden 1929-6-13 1094 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA133818  Chenopodium pumilio P. H. Raven 1959-10-9 14611 Los Angeles University of california west Los Angeles. 130 Comment
  RSA624498  Chenopodium pumilio L. C. Wheeler 1936-6-8 4137 Los Angeles San Gabriel Mountains: Mouth of Bell Canyon. 609 Comment
  CAS-BOT-BC451358  Chimaphila menziesii LeRoy Abrams 1902-6-29 2587 Los Angeles Mt. Wilson Comment
  SEINET4565666  Chloris gayana P. Kennedy 1920-7-31 3529 Los Angeles Los Angeles Comment
  CAS-BOT-BC184878  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  RSA584402  Chorizanthe breweri Tim S. Ross, S. D. Boyd 1994-5-25 8001 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  SBBG62232  Chorizanthe parryi var. fernandina R. Hoffmann 1928-7-9 Los Angeles Elizabeth Lake Comment
  UCR177502  Chorizanthe spinosa LeRoy Gross 2005-5-19 2306 Los Angeles Western Mojave Desert, S of Ave A (Kern Count boundary) east of the #14 freeway. south of the city of Rosamond. Between 20th Street W and Sierra Highway. Started at Ave A 728 Comment
  RSA252898  Chorizanthe staticoides Robert F. Thorne 1973-5-11 43556 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  SD41997  Chorizanthe staticoides Darley F. Howe 1947-5-4 1571 Los Angeles Mint Canyon Comment
  RSA756902  Chorizanthe watsonii R. G. Swinney 2008-6-17 9026 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  RSA771592  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  JEPS48990  Chrysolepis sempervirens Joseph Andorfer Ewan 1934-8-9 8307 Los Angeles about Mount Williamson summit; Mount Williamson 2499 Comment
  UCR256187  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA600677  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Sycamore Flat Campground; Big Rock Creek 1310 Comment
  RSA587966  Chrysothamnus teretifolius Orlando Mistretta 1992-5-4 261 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  RSA701715  Cirsium occidentale Steve Boyd, Amber Maurice 2004-5-18 11331 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  CDA1300  Cirsium occidentale var. californicum T. C. Fuller 1958-3-18 1182 58 C Los Angeles Wash below Padua Hill, L.A. County. (Claremont). Comment
  RSA585675  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3346 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  SBBG98553  Cirsium occidentale var. coulteri T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5325 Los Angeles terrace flats between Box and Horse Cyns 484 Comment
  UCR133721  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-1 S- 4440 Los Angeles Channel Islands, Santa Catalina Island, Avalon 10 Comment
  SEINET5507053 Image available Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-1 S 4440 Los Angeles Avalon, Santa Catalina Island; Upper Sonoran Zone 10 Comment
  SBBG65963  Cirsium occidentale var. venustum R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  UCD130814  Cirsium vulgare Elise Jackson 1993-4-21 35 Los Angeles Saugus, Bouquet Cyn Rd., 10 miles northeast of junction with Valencia Blvd. 487 Comment
  UCR123362  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR243007  Cirsium vulgare R. G. Swinney 2009-8-6 11526 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
  UCD116503  Cistus incanus Daryl Koutnik 1978-5-10 470 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  CAS-BOT-BC172432  Clarkia bottae Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Near Los Angeles Comment
  CAS-BOT-BC172438  Clarkia bottae Tim Ross; Orlando Mistretta 1993-5-27 7328 Los Angeles W end of San Gabriel Mtns., ridge dropping westward from Loop Canyon road (at 3060 ft) toward Wilson Canyon 670 Comment
  RSA0115257  Clarkia bottae Richard G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA448242  Clarkia bottae Bonnie C. Templeton 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles Nat l Forest. Comment
  SFV2497  Clarkia cylindrica P. G. Kilburn 1958-4-26 766 Los Angeles Santa Susana Mountains Gentile (Gentili) Ranch. 460 Comment
  UCR258774  Clarkia cylindrica R. G. Swinney 2010-6-23 13345 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA458826  Clarkia cylindrica subsp. cylindrica Kenneth A. Wilson 1962-5-26 1287 Los Angeles Placerita Canyon, about one mile east of Hwy 6. Comment
  CAS-BOT-BC172098  Clarkia dudleyana LeRoy Abrams 1902-7-1 2625 Los Angeles Wilson's trail near Santa Anita Canyon 762 Comment
  UCR211813  Clarkia dudleyana Valerie Soza, LeRoy Gross 2001-5-22 1239 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 648 Comment
  SBBG131619  Clarkia epilobioides S. A. Junak 1999-4-24 SCa 877 Los Angeles E of Empire Landing Rd 182 Comment
  SBBG31046  Clarkia epilobioides R. F. Thorne 1966-4-28 36227 Los Angeles near upper end of Renton Mine Rd in Pebbly Beach Cyn 259 Comment
  CAS-BOT-BC163710  Clarkia purpurea subsp. quadrivulnera Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  RSA491786  Clarkia purpurea subsp. quadrivulnera James L. Reveal 1988-5-17 6790 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon). Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  SBBG60365  Clarkia purpurea subsp. quadrivulnera R. Hoffmann 1931-5-3 Los Angeles Bouquet Cyn Comment
  SD69011  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, D. Propst 1968-5-29 Los Angeles Santa Catalina Island. Upper Cape Canyon below reservoir. 305 Comment
  RSA567179  Clarkia rhomboidea Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4001 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  CSUSB244  Clarkia unguiculata Art Whistler 1966-5-1 Los Angeles Roadside near Semmole Hot Springs near Mulholland Drive and Cornell Street. Comment
  CATA2016  Claytonia parviflora subsp. parviflora Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 523 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach 9 Comment
  RSA777209  Claytonia parviflora subsp. parviflora Orlando Mistretta, Christine Mistretta 2010-5-19 5126 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UC1552131  Claytonia parviflora subsp. parviflora David Charlton 1988-4-2 1485 Los Angeles Cleghorn Road Turnoff on Cajon Pass Cajon Pass (I 15, Swartout Valley Rd to end of pavement, site is under powerline) 1524 Comment
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Dec 24 2013
  UCR197762  Claytonia parviflora subsp. parviflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 62 A 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
  UCR200131  Claytonia parviflora subsp. parviflora Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 776 A Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, well of De Bell Municipal Golf Course, southeast of Starlight Theater 335 Comment
  RSA621258  Claytonia parviflora subsp. parviflora L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Bear Canyon (off Soledad Canyon) at Santa Clara Divide Road. 1280 Comment
  RSA588059  Claytonia parviflora subsp. utahensis Orlando Mistretta 1994-4-15 1041 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1036 Comment
  RSA756787  Claytonia parviflora subsp. viridis Orlando Mistretta, Christine Mistretta 2008-4-28 2534 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1127 Comment
  SEINET3163867  Claytonia perfoliata G. B. Grant 1905-4-16 797 Los Angeles Pasadena Comment
  RSA313425  Claytonia perfoliata subsp. intermontana T. S. Elias 1984-4-29 8328 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  RSA587037  Claytonia perfoliata subsp. mexicana Orlando Mistretta, Mark Elvin 1995-5-10 1698 D Los Angeles San Gabriel Mountains, Bare Mountain Canyon, West Fork. 1540 Comment
  SD79028  Claytonia perfoliata subsp. mexicana R. M. Beauchamp 1967-1-28 143 Los Angeles San Clemente Island, on knolls west of Lemon Tank Comment
  LA32196  Clematis lasiantha Peter H. Raven; Peter H. Raven 1959-4-3 13914 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, N-facing side of summit. 838 Comment
  RSA0091978  Clematis ligusticifolia R. G. Swinney 2011-11-1 15937 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA84458  Clematis ligusticifolia F. W. Peirson 1925-9-4 8182 Los Angeles At point slightly below foot of steep grade, Bouquet Canyon, northwest part of San Gabriel Mts. Comment
  UC454458  Clematis ligusticifolia I. J. Condit 1908-6-29 Los Angeles Catalina Comment
  UC545785  Clematis ligusticifolia Annetta M. Carter 1935-9-12 980 Los Angeles San Gabriel Mts., Chilao 1615 Comment
  UC625048  Clematis ligusticifolia F. R. Fosberg 1931-7-10 S 5367 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Eagle's Nest 180 Comment
  UCSB1959  Clematis ligusticifolia Philbrick, Ralph 1954-9-30 Los Angeles San Antonio Canyon 701 Comment
  POM327  Clematis ligusticifolia var. californica D. L. Crawford 1915-06 s.n. Los Angeles Mountains near Claremont. Comment
  POM523  Clematis pauciflora Clara D. Pitzer 65 Los Angeles Burbank Canyon. 488 Comment
  RSA138242  Cleome isomeris P. H. Raven 1959-3-15 13845 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  RSA440836  Cleome isomeris George B. Grant 1901-1 s.n. Los Angeles From Pasadena. Comment
  CLARK-A1528-2384  Cleomella obtusifolia John C. Roos 1947-7-21 Los Angeles Lancaster Comment
  RSA440024  Cleomella obtusifolia Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UC11110  Cleomella obtusifolia J. Burtt Davy May 9 1896-May 24 1896 2274 Los Angeles Lancaster Antelope Valley Comment
  RSA152477  Collinsia heterophylla R. C. Bacigalupi, G. Thomas Robbins, L. R. Heckard 1953-6-15 4198 Los Angeles Along and just below Mendenhall Ridge, leading to Mt. Gleason, Angeles National Forest. 1128 Comment
  RSA408288  Collinsia heterophylla L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  CAS-BOT-BC240947  Collinsia parryi Frank W. Peirson 1923-5-21 3514 Los Angeles Fish Canyon, San Gabriel Mts. 731 Comment
  RSA0076379  Collinsia torreyi var. wrightii F. W. Peirson 1922-7-5 3156 Los Angeles Big Pines, Swartout Valley, north slope of San Gabriel Mountains. 2104 Comment
  CAS-BOT-BC200999  Colutea arborescens Robert F. Thorne; C. W. Tilforth 1971-6-17 39919 Los Angeles At Bear Divide Station. San Gabriel Mts., Angeles National Forest 822 Comment
  RSA747742  Colutea arborescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UC468954  Constancea nevinii F. M. Reed 1909-7-4 2806 Los Angeles near Avalon; Catalina Island 15 Comment
  SD181586  Convolvulus arvensis Valerie Soza, Kent Hughes 1999-6-4 472 Los Angeles San Gabriel Mountains, foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. Open flat grassland on ridgetop, in clay soil. 366 Comment
  SBBG108424  Convolvulus simulans T. Ross 1995-5-21 8604 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  POM308949  Conyza bonariensis Kay H. Beach 1943-7-3 659 Los Angeles San Dimas Experimental forest. San Gabriel Mt. Range. Comment
  UCR88690  Conyza canadensis Scott D. White 1995-10-19 3706 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA304574  Cordylanthus maritimus subsp. canescens A. C. Sanders 1980-8-17 1770 Los Angeles marshy area at the SW edge of Rosamond Dry Lake about 1/2 mi E of the E end of Ave. C 671 Comment
  RSA412323  Cordylanthus nevinii Bonnie C. Templeton 1932-8-25 5068 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  CAS-BOT-BC287749  Coreopsis bigelovii W. R. Dudley; F. H. Lamb 1896-6-6 4336 Los Angeles Edge of Antelope Valley near Fairmont, Liebre Mts Comment
  RSA0091730  Coreopsis bigelovii R. G. Swinney 2011-5-12 14660 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR177576  Coreopsis bigelovii LeRoy Gross 2005-5-3 2204 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  UCR270452  Coreopsis bigelovii R. G. Swinney 2011-5-12 14660 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  CAS-BOT-BC287869  Coreopsis californica I. Johnston 1917-3-29 1251 Los Angeles Above Claremont Comment
  UC456076  Coreopsis gigantea I. J. Condit 1911-3-27 Los Angeles bank overlooking bay Catalina Island Comment
  CAS-BOT-BC105702  Corethrogyne filaginifolia Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts., near Pasadena Comment
  CAS-BOT-BC105708  Corethrogyne filaginifolia Alice Eastwood 1915-8-25 4907 Los Angeles Duarte Comment
  JEPS30640  Corethrogyne filaginifolia Peter H. Raven and Henry J. Thompson 1959-9-27 14507 Los Angeles Sepulveda Canyon Santa Monica Mountains, Sepulveda Canyon 243 Comment
  JEPS30657  Corethrogyne filaginifolia Peter H. Raven and Henry J. Thompson 1959-9-18 14431 Los Angeles near Beverly Glen Boulevard Santa Monica Blvd.; Santa Monica Mts. 76 Comment
  POM96631  Corethrogyne filaginifolia E. S. Spalding 1924-4-5 s.n. Los Angeles Manhattan Beach. Comment
  POM4591  Corethrogyne filaginifolia var. filaginifolia Crawford, H. D. Hiatt 1916-3-29 566 Los Angeles Santa Monica Mountains Comment
  RSA239447  Corethrogyne filaginifolia var. filaginifolia E. R. Blakley 1962-10-3 5373 Los Angeles Santa Catalina Island. Banks around Wrigley Reservoir at summit of island road 427 Comment
  RSA129810  Corethrogyne filaginifolia var. rigida A. D. Gifford 1935-1-16 418 Los Angeles In canyon 7.5 miles ESE OF Whitaker Peak. 488 Comment
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Jun 11 2014
  RSA6204  Cornus glabrata C. B. Wolf 1932-10-4 1582 Los Angeles Left fork of Hamilton Canyon 200 ft. above forks. Comment
  CAS-BOT-BC287262  Cotula australis Louis C. Wheeler 1936-3-8 4081 Los Angeles Millard Canyon, San Gabriel Mts 457 Comment
  CAS-BOT-BC427729  Crassula connata Robert F. Thorne 1973-4-11 42800 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  SBBG37879  Crassula connata R. Moran 1941-2-19 568 Los Angeles Middle Ranch Comment
  RSA661078  Crassula connata var. connata Orlando Mistretta 1992-4-5 186 Los Angeles Guds, San Clemente Island. Comment
  SEINET13387058 Image available Crassula tillaea R. G. Swinney 2011-1 14075 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  CATA3179  Cressa truxillensis Julie L. King 2016-10-25 7 Los Angeles Santa Catalina Island: South of campsite #2 at Parsons Landing, in sand 6 Comment
  POM129653  Cressa truxillensis L. R. Abrams 1901-5-25 11204 Los Angeles Ballona Harbor 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
  RSA267397  Crossosoma californicum James Henrickson 1977-12-5 16341 Los Angeles Rancho Palos Verdes north of the Portugese Bend, ca. 1/4 mile north of the school along Forrestal Dr. 189 Comment
  UCD65150  Crossosoma californicum G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7753 Los Angeles CATALINA ISLAND: Avalon, steep slopes with patches of chaparral, Upper Las Lomas Road. 50 Comment
  LA204879  Croton californicus Carl Epling; March 1925 6543 Los Angeles Clifton Comment
  RSA479352  Croton californicus Charles F. Seymour 1902-6-3 s.n. Los Angeles Across from campus on Westley Ave. [USC ] Comment
  RSA247353  Croton californicus var. tenuis Gary D. Wallace, G. Cromwell 1966-4-30 521 Los Angeles Along the bluffs of Palos Verdes Penninsula, near Marrineland of the Pacific. Comment
  CAS-BOT-BC523908  Cryptantha R. G. Swinney 2010-6-21 13300 Los Angeles San Gabriel Mountains: Angeles National Forest within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 mi N of Santa Clara Truck Trail via trail W of spring 902 Comment
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Dec 6 2018
  OBI28054  Cryptantha David J. Keil, Dirk Walters 1977-4-30 12291 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
  RSA772100  Cryptantha barbigera R. G. Swinney 2009-5-20 10853 -A Los Angeles Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  SD113303  Cryptantha circumscissa Darley F. Howe 1947-5-4 1776 Los Angeles Vincent, Western MoJave Desert Comment
  RSA802443  Cryptantha clokeyi Orlando Mistretta, Youssef Atallah 2011-8-12 6021 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy 1083 Comment
  IRVC29638  Cryptantha corollata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26207 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA600586  Cryptantha corollata Steve Boyd, Lauren Raz 1997-4-30 9594 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  RSA517860  Cryptantha decipiens Steve Boyd 1986-3-30 1515 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA0110793  Cryptantha intermedia R. G. Swinney 2011-4-28 14528 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  SD87569  Cryptantha intermedia F. W. Peirson 1919-5-11 402 Los Angeles San Gabriel Mountains, Arraster 915 Comment
  UCR230251  Cryptantha intermedia Dan S. Cooper 2011-4-28 411- 2 Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  RSA159352  Cryptantha intermedia P. H. Raven 1962-4-10 17196 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  SEINET7991457  Cryptantha intermedia Louis C. Wheeler 1946-5-21 6209 Los Angeles San Gabriel Mountains, San Gabriel Wash, 2 mi S of Monrovia Comment
  RSA0016889  Cryptantha intermedia var. johnstonii O. W. Robinson 1916-3-21 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  CHSC98597  Cryptantha micrantha LeRoy Gross 2005-5-3 2208 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. T04N, 05N R09W, 10W S06, 01, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. Alt: 1085-1215m. 1150 Comment
  SD230184  Cryptantha micrantha Louis C. Wheeler 1968-5-30 Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. Comment
  RSA229158  Cryptantha micrantha R. F. Thorne, C. W. Tilforth, John Dourle 1969-7-29 38841 Los Angeles San Gabriel Mountains: Chilao area, sandy roadbank on Angeles Crest Hwy. 1524 Comment
  RSA647802  Cryptantha microstachys LeRoy Gross, Laura Moore 2000-6-5 221 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA0092501  Cryptantha muricata R. G. Swinney 2011-6-22 15246 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. 1780 Comment
  RSA587335  Cryptantha muricata Orlando Mistretta 1992-05 211 Los Angeles San Gabriel Mountains: Little Rock Creek. Alimony Ridge. 1463 Comment
  RSA0079397  Cryptantha muricata var. jonesii T. S. Ross 1992-7-10 6636 Los Angeles San Gabriel Mountains: Big Tujunga Canyon, 310 m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch 963 Comment
  RSA0079218  Cryptantha muricata var. muricata W. Wisura, E. Roeder 1992-4-21 4701 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  RSA0079552  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-6-18 3520 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA0079621  Cryptantha muricata var. muricata P. A. Munz, R. D. Harwood 1920-5-15 3944 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA617472  Cryptantha nevadensis Scott D. White, P. De Vries 6763 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 548 Comment
  UCR50724  Cryptantha oxygona L. F. LaPre 1988-5-14 s.n. Los Angeles Western Transverse Range, Lake Hughes, 16 mi west of Lancaster in the San Andreas Rift 1037 Comment
  UCR205454  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-2 8730 B Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA611837  Cryptantha similis Steve Boyd, Valerie Soza 1998-4-28 10175 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  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
  RSA0091661  Cucurbita foetidissima Bonnie C. Templeton 1967-7-23 10143 Los Angeles Whitney Canyon. 427 Comment
  UCR114731  Cucurbita foetidissima A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23288 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 Comment
  UCR194584  Cuscuta R. G. Swinney 1998-7-24 6562 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  RSA409691  Cuscuta californica F. R. Fosberg, J. A. Ewan 1931-8-13 S 5440 Los Angeles Islip Trail near Islip-Hawkins divide; Mount Hawkins, Hawkins divide, San Gabriel Mts. 2300 Comment
  RSA669281  Cuscuta californica LeRoy Gross 2002-6-24 548 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 518 Comment
  RSA782191  Cuscuta pentagona A. C. Sanders, Dan S. Cooper 2010-8-5 38533 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UC144398  Cuscuta subinclusa C. F. Baker 1903-10-20 3954 Los Angeles Claremont San Antonio Canyon Comment
  SEINET10965985  Cycas revoluta David B. Dunn 1939-10-25 Dunn UMO 46546 Los Angeles Cultivated in a park area near Orange Dr. and Colorado Blvd. 274 Comment
  RSA300657  Cycladenia humilis var. venusta J. R. Shevock 1974-10-5 3874 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2864 Comment
  SD230157  Cycladenia humilis var. venusta V. W. Steinmann 1996-6-17 915 Los Angeles San Gabriel Mountains: ca. 2.5 km (by air) south-southwest of Mt. San Antonio, along Baldy Trail. 2550 Comment
  UCR223488  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11297 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 300 m north of Puente Largo railway bridge, west side of channel 184 Comment
  RSA483542  Cynodon dactylon M. B. Dunkle 1933-4-14 3301 Los Angeles Long Beach. Comment
  RSA623811  Cynodon dactylon K. Scott 1921-2-8 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  UC76773  Cynodon dactylon J. Burtt Davy 1901-5 7755 Los Angeles Los Angeles Comment
  RSA0104982  Cyperus Steven A. Junak 1999-7-17 SCa- 1066 Los Angeles Santa Catalina Island. Just N of Patrick Reservoir, just S of new trans-island fenceline. 412 Comment
  RSA365108  Cyperus odoratus Wm Martin 1971-8-11 s.n. Los Angeles Along drainage of Malibu Creek, vicinity of Tapia Park Comment
  RSA92300  Cyperus virens F. W. Peirson 1918-4-28 1609 Los Angeles Southeast of El Monte. Comment
  CAS-BOT-BC198208  Cytisus striatus R. E. Riefner, Jr. 2006-6-12 06 -239 Los Angeles East of Sunland Verdugo Mountains, north side of 210 Freeway c. 0.6 mi. west of La Tuna Canyon Rd. intersection - Transverse Range 474 Comment
  RSA681150  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  SEINET3926695  Dactylis glomerata K. Dobry 1991-5-2 560 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UC1349337  Daucus pusillus Robert F. Thorne and P. Everett 1965-6-22 34897 Los Angeles upper portion along roadside Avalon Canyon; Santa Catalina Isl., Avalon Canyon 274 Comment
  CAS-BOT-BC130922  Deinandra clementina Reid Moran 1958-9-15 6837 Los Angeles Wilsons Cove, San Clemente Island 50 Comment
  CAS-BOT-BC130928  Deinandra clementina Reid Moran 1958-9-15 6837 Los Angeles Wilsons Cove, San Clemente Island 50 Comment
  SD249134  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. 68 Comment
  SDSU4565  Deinandra clementina R. M. Beauchamp 1967-3-17 235 Los Angeles East of Wilson Cove area. Comment
  SBBG61025  Deinandra fasciculata R. Hoffmann 1928-7-7 Los Angeles 3 mi E of Saugus Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  SD52905  Deinandra fasciculata Peter H. Raven 1962-5-9 17689 Los Angeles San Clemente Island; road above Pyramid Cove. 120 Comment
  LA100556  Deinandra minthornii David S. Verity; September 1977 sn Los Angeles Simi Hills, Box Canyon, Box Canyon Road, N of Chatsworth Lake Comment
  SFV12454  Deinandra minthornii M. H. Grayum, D. L. Koutnik 1978-1-22 949 Los Angeles Santa Monica Mountains Sandstone outcrops and along fire road, south flank of Calabasas Peak. 488 Comment
  UC2015605  Deinandra minthornii Scott D. White 1995-10-19 3718 Los Angeles Santa Susana Mts. S edge of Santa Susana Mts, above Chatsworth +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Bl.); 0.7-1.0 air mi SE of Chatsworth Pk. Comment
  RSA683319  Delphinium cardinale LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1102 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR132356  Delphinium cardinale John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR269928  Delphinium parishii R. G. Swinney 2010-6-1 13091 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
  POM121821  Delphinium parryi Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA612068  Delphinium parryi Valerie L. Soza 1998-4-26 79 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  UCR139441  Delphinium parryi Geo. L. Moxley 1913-6-15 s.n. Los Angeles San Gabriel Mtns. Foothills, Poppy Peak, Annandale 305 Comment
  CAS-BOT-BC116273  Delphinium parryi subsp. parryi M. E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  UC535515  Delphinium patens subsp. hepaticoideum Ira W. Clokey, B. Templeton 1929-4-1 4433 Los Angeles hill side Santa Monica Mountains, Mandeville Canyon 425 Comment
  SD69025  Dendromecon harfordii Robert F. Thorne, D. Propst 1968-5-29 37695 Los Angeles Santa Catalina Island; on north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 395 Comment
  UC855070  Dendromecon harfordii F. R. Fosberg 1931-4-13 S 4580 Los Angeles Renton Mine Santa Catalina Island, Pebble Beach Canyon, lf. fk. 300 Comment
  UC57598  Dendromecon rigida J. H. Barber 1898-8-4 Los Angeles Topango Comment
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May 22 2014
  RSA545271  Dendromecon rigida subsp. rhamnoides D. Propst, Hoefs 1973-3-3 19 Los Angeles Upper White's Landing Road, Santa Catalina Island. 381 Comment
  SEINET179627 Image available Deschampsia danthonioides V. Duran 1933-7-9 3507 Los Angeles Horse Flats San Gabriel Mountains 1676 Comment
  RSA250386  Deschampsia elongata R. F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42218 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift 2378 Comment
  UCR210115  Deschampsia elongata R. G. Swinney 2008-7-24 9349 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CAS-BOT-BC42986  Descurainia incisa subsp. incisa Cecil Hart 1927-4-30 s.n. Los Angeles Montebello. Comment
  RSA758729  Descurainia pinnata Geo L. Moxley 1917-2-4 525 Los Angeles Van Nuys. Comment
  CAS-BOT-BC43170  Descurainia pinnata subsp. brachycarpa John H. Thomas 1957-4-27 6668 Los Angeles Point Dume, about 18 miles due west of Santa Monica. 60 Comment
  UCR255755  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  UCR141811  Dicentra chrysantha June Latting 1978-9-17 s.n. Los Angeles San Gabriel Mountains, roadside between Grassy Hollow Campground andVincent Gap on the Angeles Crest Hwy, Angeles National Forest 2317 Comment
  CAS-BOT-BC402271  Dicentra chrysantha R. F. Thorne; M. Z. Thorne 1969-7-10 38371 Los Angeles San Gabriel Mts., Angeles National Forest: Upper end of Vincent's Gulch just below parking lot at Vincent's Gap 1996 Comment
  UC1595375  Dicentra chrysantha Tim Ross 1992-7-16 6708 Los Angeles ne slope Condor Peak (75 degrees ene from summit, 200 m distant); San Gabriel Mts. 1551 Comment
  UC57505  Dichelostemma capitatum J. H. Barber 1897-3-21 81 Los Angeles near Soldier's Home Comment
  UCR281426  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-27 16667 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA213427  Dichelostemma capitatum subsp. capitatum Reid V. Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island 500 Comment
  RSA658603  Dichelostemma capitatum subsp. capitatum Marianne Marshall 1981-4-26 7 Los Angeles 0.75 mi N of fire station, East Fork of San Gabriel River on Hiking trail. off E side of trail. Comment
  RSA529182  Dieteria canescens var. canescens Timothy S. Ross, Steve Boyd 1991-7-24 5637 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  RSA0034978  Digitaria sanguinalis P. R. Brown 1970-10-9 s.n. Los Angeles Canon de Lana. [county not specified] Comment
  CHSC1782  Diplacus longiflorus E. Thomas 1940-4-6 Los Angeles Claremont Wash above Scripps College. 152 Comment
  SBBG98432  Diplacus parviflorus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5293 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 274 Comment
  CAS-BOT-BC195617  Distichlis spicata L. R. Abrams 1902-6-9 2499 Los Angeles Port Ballona Comment
  UCR123626  Distichlis spicata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25484 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR203229  Distichlis spicata R. G. Swinney 2005-7-21 8318 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA724612  Dodecatheon clevelandii K. Dobry 1992-2-16 d- 1046 Los Angeles West Santa Monica Mts. 5 mil No of Pacific Coast Hwy. along E. Arroyo Sequit at Camp Shalom Comment
  UCR182715  Dodecatheon clevelandii R. G. Swinney 1998-4-11 5940 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  RSA461497  Dodecatheon clevelandii Geo. L. Moxley 1914-02 202 Los Angeles Hills NW from Highland Park. Comment
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Nov 12 2009
  SBBG55831  Dodecatheon clevelandii subsp. clevelandii J. A. Caldwell 1970-3-20 5 Los Angeles San Dimas Cyn Rd, 3.9 mi N of Foothill Blvd 914 Comment
  SBBG78892  Dodecatheon clevelandii subsp. insulare W. A. Wright 1931-2-19 Los Angeles Santa Catalina Island Comment
  RSA461368  Dodecatheon clevelandii subsp. sanctarum Ora M. Clark 1929-3-24 1773 Los Angeles S. Santa Susana Mtns. Comment
  POM11172  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles San Antonio Mts. Pairire Fork of the San Gabriel River marshy ground in a small side canyon 2134 Comment
  UCR70848  Dodecatheon redolens I. M. Johnston 1919-7-6 2100 Los Angeles San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 2134 Comment
  RSA0127371  Drymocallis glandulosa Louis C. Wheeler 1967-7-15 10041 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC536115  Drymocallis glandulosa var. reflexa Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38900 Los Angeles Canyon above Angeles Crest Hwy. c. 1 mile west of Vincent Gap, at one of the headwaters of east fork Big Rock Creek noth face Mt. Baden-Powell, San Gabriel Mts., Angeles National Forest 2331 Comment
  RSA656480  Drymocallis glandulosa var. wrangelliana Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 725 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  UCR108333  Dryopteris arguta L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Los Pinetos Canyon Spring 854 Comment
  POM183608  Dryopteris arguta Joseph A. Ewan 1929-5-25 3482 Los Angeles Upper Brush Canyon, Santa Monica Mountains. Comment
  RSA0124074  Dryopteris arguta Lyman Benson 1947-3-26 12284 Los Angeles Midway Between Pomona and Brea. Puente Hills 274 Comment
  RSA670383  Dryopteris arguta I. W. Clokey, B. C. Templeton 1929-05 4539 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA693692  Dryopteris arguta Donald R. Bissing 1973-2-26 8 Los Angeles Evey Canyon, 0.9 mile from canyon mouth 844 Comment
  SD112100  Dudleya cymosa subsp. marcescens Linda Allen 1975-6-15 Los Angeles Century Ranch, west Santa Monica Mountains. Comment
  RSA423500A  Dudleya cymosa subsp. pumila Anstruther Davidson 1915-8-1 s.n. Los Angeles Camp Baldy. Comment
  UCR126777  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  SD90440  Dudleya lanceolata Donald R. Bissing 1975-6-2 17 Los Angeles Evey Canyon, San Gariel Mountains. 750 Comment
  CAS-BOT-BC109674  Dudleya multicaulis Reid Moran 1948-6-10 3087 Los Angeles Puddingstone Hills. Comment
  UC933195  Dudleya virens Reid Moran 1941-2-18 590 Los Angeles near mouth Middle Ranch Canyon (steep e slope); san Clemente Island 152 Comment
  CAS-BOT-BC109732  Dudleya virens subsp. hassei L. R. Abrams 1932-6-1 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC109738  Dudleya virens subsp. hassei E. K. Balls 1949-5-11 13469 Los Angeles From Catalina Island. Comment
  UCR127392  Echinochloa colona A. C. Sanders, Mark Elvin 2002-8-7 25556 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA623744  Echinochloa crus-galli Charlotte M. Hoak s.n. Los Angeles Santa Monica Canyon. Comment
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May 29 2014
  PASA1873  Echinocystis macrocarpa Sally Ellis 1946-3-25 Los Angeles Claremont Comment
  SD230103  Echinodorus berteroi Louis C. Wheeler 1951-8-20 6835 Los Angeles Devils Gate Dam. Drying lake bottom behind dam. Comment
  UCR194853  Ehrharta erecta R. E. Riefner Jr. 2000-8-29 00- 764 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, La Tuna Canyon, N of La Tuna Canyon Rd., along La Tuna Creek S of 210 Freeway and c. 1.5 mi W of Freeway intersection 462 Comment
  SEINET10558272  Ehrharta erecta Louis C. Wheeler 1967-2-7 Wheeler 9165 Los Angeles West Los Angeles. UCLA campus. Growing up through ground cover of Hedera helix in full sun; clay. Comment
  CAS-BOT-BC227185  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente / Chino Hills: SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights 335 Comment
  UCR205203  Eleocharis R. G. Swinney 2005-8-11 8471 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SBBG106916  Eleocharis macrostachya M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2432 Los Angeles lower Buffalo Springs Reservoir 426 Comment
  UCR179242  Eleocharis macrostachya R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  LA82498  Eleocharis palustris O. H. Kappler; 1943-5-2 387 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA365469  Eleocharis radicans L. C. Wheeler 1931-9-13 145 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  CAS-BOT-BC208517  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  RSA590827  Elymus Orlando Mistretta 1992-5-4 218 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA729101  Elymus elymoides R. G. Swinney 1999-7-5 7504 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  POM1326  Elymus elymoides subsp. californicus I. M. Johnston 1917-8-22 1638 Los Angeles Summit of Baldy. 3049 Comment
  CAS-BOT-BC207177  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1995-6-29 8660 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  UCR194056  Elymus glaucus R. G. Swinney 1998-8-17 6770 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  RSA774830  Elymus glaucus subsp. glaucus Orlando Mistretta, Christine Mistretta 2010-6-8 5286 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  UCR210303  Elymus triticoides R. G. Swinney 2008-10-16 9589 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UC880686  Emmenanthe penduliflora F. R. Fosberg 1931-4-23 S 4694 Los Angeles Upper Middle Ranch Canyon; Santa Catalina Island 260 Comment
  UCR258738  Emmenanthe penduliflora R. G. Swinney 2010-5-19 12829 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA401553  Emmenanthe penduliflora var. penduliflora L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  RSA678205  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, LeRoy Gross 2001-5-14 1213 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  CAS-BOT-BC131154  Encelia actoni Le Roy Abrams; E. A. McGregor 1908-6-20 402 Los Angeles Between Oakgrove Canyon and Elizabeth Lake, Liebre Mountains Comment
  CAS-BOT-BC131198  Encelia californica W. R. Dudley 1895-1-4 s.n. Los Angeles At San Pedro Comment
  POM199685  Encelia californica I. W. Clokey, B. C. Templeton 1929-03 4453 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UC1118044  Encelia californica A. D. Gifford 1934-5-8 214 Los Angeles Escondido Canyon Triunfo Pass Quadrangle, Escondido Canyon (Plot 97) Comment
  RSA533516  Encelia farinosa var. farinosa Timothy S. Ross 1991-3-9 4165 Los Angeles Whittier Hills (Puente Hills, proparte) seepage. ca. 300ft. SW of Colima road & Camino del Sur. 213 Comment
  SFV17861  Ephedra aspera J. D. Dilley 1998-3-29 254 Los Angeles Mojave Desert Just north of the foothills of the San Gabriel Mountains and just east of Palmdale. Junction of Avenue T and Little Rock Creek, across from quarry. 900 Comment
  NY70310  Ephedra nevadensis T. S. Ross 1991-4-30 5003 Los Angeles Soledad Canyon Eash: ca. 0.5 mile east of Acton; Acton USGS 7.5' Quadrangle 829.1 Comment
  RSA384595  Ephedra nevadensis L. E. Hoffman 1931-11-9 s.n. Los Angeles Near Lancaster, Mohave Desert. Comment
  RSA383847  Ephedra viridis L. E. Hoffman 1931-11-28 s.n. Los Angeles Angeles National Forest: Holcomb Creek. Comment
  RSA725096  Ephedra viridis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -79 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  SD215316  Ephedra viridis Timothy S Ross, Steve Boyd et al 1990-6-22 3753 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. East-southeas-ward to SW/4 S25 1707 Comment
  SEINET13386999 Image available Epilobium brachycarpum R. G. Swinney 2011-1 15896 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) 649 Comment
  RSA72104  Epilobium canum subsp. canum F. W. Peirson 1918-10-21 280 Los Angeles West Fork of San Gabriel Mountains. 1067 Comment
  UC55381  Epilobium canum subsp. canum J. H. Barber 1897-7-2 236 Los Angeles Bear Canyon Comment
  POM187614  Epilobium canum subsp. latifolium Joseph A. Ewan 1929-9-21 s.n. Los Angeles Millards Canyon, 4 miles above falls. Comment
  RSA588515  Epilobium canum subsp. latifolium Anstruther Davidson 1901-08 s.n. Los Angeles Rock Creek. Comment
  UCR209616  Epilobium canum subsp. latifolium R. G. Swinney 2008-10-7 9487 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  SBBG31033  Epilobium ciliatum R. F. Thorne 1966-9-14 36634 Los Angeles lower Middle Ranch Cyn 53 Comment
  RSA647876  Epilobium ciliatum subsp. ciliatum LeRoy Gross, Wayne Law 2000-8-8 1 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  UC873339  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1931-7-10 S 5370 Los Angeles below spring and in creek bed Santa Catalina Island, Middle Ranch Canyon, Eagle's Nest 180 Comment
  SD11894  Epilobium densiflorum Victor Duran 1933-7-10 3511 Los Angeles Sulphur Springs, San Gabriel Mountains 1524 Comment
  RSA72183  Epilobium glaberrimum subsp. glaberrimum F. W. Peirson 1921-7-17 2499 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2012 Comment
  POM175361  Epipactis gigantea E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  RSA381702  Epipactis gigantea George R. Johnstone 1932-10-23 16042 Los Angeles San Gabriel Mountains. Indian Canyon. Comment
  CAS-BOT-BC58001  Equisetum I. M. Johnston 1917-8-24 1723 Los Angeles San Antonio Mountains. 1981 Comment
  UC211429  Equisetum X ferrissii I. Johnston 1917-5-13 27 T Los Angeles El Monte 121 Comment
  UC1870338  Equisetum hyemale subsp. affine LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 719 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  RSA725848  Equisetum laevigatum R. G. Swinney 1997-6-25 5648 Los Angeles San Gbriel Mtns.: west of Wrightwood, Blue Ridge Trail, small canyon that is tributary of Sawmill Canyon from the NW, 0.9 mi. SE of Hwy 2 2195 Comment
  SDSU1966  Equisetum laevigatum J. Godsil 1952-4-28 217 Los Angeles Little Dalton Canyon, above Glendora. 366 Comment
  SD215305  Equisetum telmateia Louise C Wheeler 1932-3-17 505 Los Angeles Los Angeles River at Los Feliz Blvd. 121 Comment
  SBBG77009  Equisetum telmateia subsp. braunii F. R. Fosberg 1931-4-15 R 89 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  RSA0073115  Equisetum telmateia subsp. braunii Mark L. Hoefs 1995-5-23 2075 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon. 116 Comment
  UCR119741  Eremalche exilis B. G. Pitzer 1998-5-12 3676 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  RSA0041940  Eremogone macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10018 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  RSA0106912  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-7-22 11301 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA0139147  Eriastrum densifolium subsp. austromontanum Sarah J. De Groot 2005-6-30 5106 Los Angeles San Gabriel Mountains, Angeles National Forest (permit FS-2400-8(2/98)): Along Table Mountain Road, near Big Pines. 2183 Comment
  UCR273213  Eriastrum densifolium subsp. densifolium R. G. Swinney 2011-7-8 15489 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0122868  Eriastrum sapphirinum subsp. brevibracteatum Naomi Fraga, Taryn Williams 2005-6-23 1631 Los Angeles Along Little Rock Creek Road (FS Road 5N04). Comment
  CAS-BOT-BC514944  Eriastrum sapphirinum subsp. brevibracteatum F. W. Peirson 1921-7-1 922 Los Angeles Arraster Creek, San Gabriel Mts. 944 Comment
  UCR256611  Eriastrum sapphirinum subsp. dasyanthum Anuja Parikh, Nathan Gale 2011-6-11 3451 Los Angeles Transverse Range; San Gabriel Mountains, north of Aliso Canyon, 0.2 km west of Angeles Forest Hwy, 1.0 km north of Aliso Canyon Road 1186 Comment
  UCR177465  Ericameria cooperi LeRoy Gross 2005-5-3 2230 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  SFV5398  Ericameria cooperi var. cooperi J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Angeles Crest Highway [= Angeles Forest Highway], 4 miles south of junction with U. S. Highway 6. Roadside. 1220 Comment
  CAS-BOT-BC291299  Ericameria ericoides Henry J. Thompson 1958-10-23 1819 Los Angeles Point Dume 30 Comment
  LA20016  Ericameria ericoides Jonathan Sauer; Linda Newby 1977-2-6 5928 Los Angeles 9 Comment
  RSA586284  Ericameria linearifolia Orlando Mistretta 1995-3-14 1532 Los Angeles Broad drainage basin on desert edge W of Little Rock Creek 1158 Comment
  UC1551919  Ericameria linearifolia David Charlton 1988-4-2 1476 Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15 Cajon Pass, I 15 (Swartout Valley Rd. to end of pavement, site is under powerline, rolling hills in steep sloped valley (see image)) 1524 Comment
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Feb 4 2015
  CAS-BOT-BC298901  Ericameria nauseosa var. bernardina Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley, San Gabriel Mts Comment
  RSA748464  Ericameria nauseosa var. oreophila R. G. Swinney 2001-8-27 8097 Los Angeles Throop Peak, west of Mt. Baden-Powell 2780 Comment
  JEPS30523  Ericameria palmeri var. pachylepis Peter H. Raven and Henry J. Thompson 1959-10-18 14687 Los Angeles Potrero Road 6.1 mi e of junction with Lewis Road; Santa Monica Mountains 152 Comment
  CAS-BOT-BC299520  Ericameria palmeri var. pachylepis Peter H. Raven; Henry J. Thompson 1959-10-18 14687 Los Angeles Potrero Road 6.1 miles east of junction with Lewis Road, Santa Moncia Mountains 152 Comment
  CAS-BOT-BC293134  Ericameria pinifolia David D. Keck 1932-10-14 1949 Los Angeles Tujunga Wash, 4 mi. E. of Van Nuys, on Van Owen Street Comment
  CAS-BOT-BC293157  Ericameria pinifolia Cecil Hart 1926-3-9 s.n. Los Angeles Between Whitewater & Indio Comment
  SBBG62809  Ericameria pinifolia R. Hoffmann 1928-9-11 Los Angeles ca. 5 mi E of Saugus Comment
  UCR125608  Ericameria pinifolia A. C. Sanders 2003-5-22 26822 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA185389  Erigeron breweri var. covillei Clare B. Hardham 1959-6-16 4870 Los Angeles Between Pearblossom and Llano. Comment
  UCSB6496  Erigeron foliosus Kamb, Peter 1947-6-11 Los Angeles Upper Sonoran Zone; Eaton Wash, Pasadena 266 Comment
  CAS-BOT-BC296197  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  UC1175000  Erigeron foliosus var. foliosus E. K. Balls and P. C. Everett 1959-6-29 23864 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts. 243 Comment
  UCD131915  Erigeron foliosus var. foliosus M. Vincent 1962-7-10 274 Los Angeles Dry Canyon 1/2 mile west of Old Topanga Canyon Road. Comment
  RSA91030  Erigeron foliosus var. stenophyllus F. W. Peirson 1920-5-12 231 Los Angeles Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. 182 Comment
  SEINET3156535  Eriobotrya japonica G. B. Grant 1904-12-18 980 -A Los Angeles Pasadena Comment
  SEINET4344737  Eriodictyon crassifolium Kay H. Beach 1943-5-11 1743 Los Angeles San Gabriel Mountains, upper part of Lewis Paul Canyon on Woods Trail Comment
  RSA0068454  Eriodictyon trichocalyx R. G. Swinney 2010-3-30 12114 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA669975  Eriodictyon trichocalyx Joseph M. Keefe 1977-6-6 22025 Los Angeles Angeles Crest Highway, 0.9 mile west of turnoff to Red Box Ranger Station, north of Pasadena, San Gabriel Mountains. 1250 Comment
  SEINET5765986  Eriogonum J. M. Keefe 1977-6-11 22188 Los Angeles Foothill Boulevard near Tujunga Wash, Sunland. Comment
  RSA766380  Eriogonum cithariforme Joseph A. Ewan 1930-5-17 5505 Los Angeles Pico Canyon above Newhall 549 Comment
  RSA597265  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1990-6-18 3522 Los Angeles San Gabriel Mountains, Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA0103798  Eriogonum davidsonii R. G. Swinney 2011-6-14 15111 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC184250  Eriogonum davidsonii A. D. E. Elmer June, 1902 3713 Los Angeles Acton Comment
  OBI11112  Eriogonum fasciculatum Ron Pecoff 1961-3-27 s.n. Los Angeles Stunt Rd off Mulholland hwy, Santa Monica Mts 366 Comment
  UCR206269  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2008-6-10 8995 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  OBI8164  Eriogonum fasciculatum var. fasciculatum Lewis Meltz 1977-4-9 LM 18 Los Angeles 50 m S of Eaton Cyn, wash, 2 km E of Eaton Cyn bridge 457 Comment
  JEPS56972  Eriogonum fasciculatum var. foliolosum Frank W. Peirson 1919-1-26 305 Los Angeles Rubio Canyon San Gabriel Mountains, Rubio Canyon 548 Comment
  RSA393423  Eriogonum fasciculatum var. foliolosum T. S. Clare 1931-1-1 14617 Los Angeles San Gabriel Mountains: mountain side above Camp Orchard 1220 Comment
  RSA486467  Eriogonum fasciculatum var. foliolosum Richard Noyes 1988-7-30 602 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  UCSB1402  Eriogonum fasciculatum var. foliolosum Albright, S. 1957-4-17 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  UCSB10619  Eriogonum fasciculatum var. polifolium Gill, Robert 1959-2-25 Los Angeles San Gabriel Mtn Range; about 50 ft from stream in lower San Dimas Cyn 365 Comment
  SBBG128371  Eriogonum giganteum var. giganteum M. L. Hoefs 1973-5-21 295 Los Angeles rd on point past Pebbly Beach Cyn, by old dump 30 Comment
  RSA0084781  Eriogonum gracile R. G. Swinney 2010-6-23 13309 Los Angeles 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
  SEINET5329487  Eriogonum gracile G. B. Grant 1904-9-15 450 -6422 Los Angeles Collected at Pasadena, So. California. Comment
  RSA646967  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-4 793 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1433 Comment
  RSA393221  Eriogonum grande var. grande M. B. Dunkle 1939-4-6 7290 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA641074  Eriogonum microtheca var. corymbosoides Orlando Mistretta, R. T. Hawke 1995-11-8 1949 Los Angeles San Gabriel Mountains. Comment
  RSA10823  Eriogonum mohavense Victor Duran 1933-5-23 3416 Los Angeles near Lancaster Comment
  UCSB23030  Eriogonum mohavense Harger, B. 1967-5-26 Los Angeles Next to the Sierra Highway; 2.1 miles south of Lancaster; in the Antelope Valley 792 Comment
  SBBG121838  Eriogonum molestum A. Parikh, N. Gale 2005-6-18 790 Los Angeles Portal Ridge, 0.7 km NW of intersection of N2/Johnson Rd, 1.3 km SE of intersection of N2/Munz Ranch Rd 1025 Comment
  RSA782514  Eriogonum nudum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 7 Los Angeles road 7N23 turn from road 7N08 Comment
  UCR181259  Eriogonum nudum R. G. Swinney 1997-6-13 5577 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  CAS-BOT-BC269769  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 928 Los Angeles 1.9 mi W of State highway 2 on Big Pines Highway; San Gabriel Mtns 1645 Comment
  UCR150462  Eriogonum pusillum R. G. Swinney 1999-6-21 7367 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  RSA65304  Eriogonum thurberi F. W. Peirson 1930-5-30 8901 Los Angeles shade of oaks, Mint Canyon 610 Comment
  UCR222821  Eriogonum trichopes R. G. Swinney 2009-4-29 10604 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  CHSC26390  Eriogonum umbellatum var. minus Wesley O. Griesel 1961-7-9 Los Angeles White Thorn Picnic Area, State Highway #2, San Gabriel Mts. 2286 Comment
  UCR202537  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8016 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  CAS-BOT-BC268209  Eriogonum umbellatum var. munzii Frank W. Peirson 1923-8-30 4684 Los Angeles Mountain north of Big Pines, San Gabriel Mts. 2286 Comment
  RSA761704  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-10-10 9571 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  CAS-BOT-BC297912  Eriophyllum confertiflorum Geo. B. Grant 1902-6-26 4162 Los Angeles Mt Lowe Comment
  CAS-BOT-BC297918  Eriophyllum confertiflorum Alice Eastwood 1906-5-27 s.n. Los Angeles Garvanza Comment
  POM357901  Eriophyllum confertiflorum Anstruther Davidson s.n. Los Angeles Foothill, Los Angeles Comment
  POM357947  Eriophyllum confertiflorum M. B. Dunkle 1932-6-2 2163 Los Angeles Santa Catalina Island. White's landing Comment
  SD234811  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabraiel Mountains: SE side of Castaic Mesa, east of Lake Hughes Road and the filtration plant, Newhall Ranch (Newhall 7.5'Q) 395 Comment
  UCR127188  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  SEINET10673350  Eriophyllum confertiflorum John T. Middleton 1936-4-6 Middleton 129 Los Angeles Hollywood Hills. Comment
  CDA5243  Eriophyllum confertiflorum var. confertiflorum G. C. Fleischman 1952-4-26 Los Angeles Mint Canyon, Highway. 0 Comment
  LA103562  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 1986-3-29 7162 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  LA203578  Eriophyllum confertiflorum var. confertiflorum Carl Epling; Louis Wheeler 1933-6-4 1852 Los Angeles near summit, Ridge Route 1523 Comment
  SBBG61061  Eriophyllum confertiflorum var. confertiflorum West, Sweet, Crow 1930-7-12 Los Angeles near Pine Flats, N Fk San Gabriel River Comment
  SD253386  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-7 15447 Los Angeles San Gabriel Mts.: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon (Chilao Flat 7.5'Q) 1220 Comment
  CAS-BOT-BC308342  Eriophyllum nevinii Herman Knoche 1919-6-5 995 Los Angeles San Clemente Island Comment
  UC1118220  Eriophyllum pringlei A. D. Gifford 1935-4-11 8997 Los Angeles 3 mi sse Manzana; Tejon Quad. 1066 Comment
  RSA727610  Eriophyllum wallacei John Green 2006-3-15 s.n. Los Angeles Mojave Desert: between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening. 963 Comment
  SBBG8199  Eriophyllum wallacei H. and M. Dearing 1934-4-15 1902 Los Angeles near Palmdale Comment
  UC1428706  Eriophyllum wallacei J. L. Strother 1973-3-23 1153 Los Angeles 15 mi e Lancaster; Saddle Back Butte State Park Comment
  UCR193700  Eriophyllum wallacei R. G. Swinney 1999-4-5 7046 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR269987  Eriophyllum wallacei R. G. Swinney 2010-5-19 12800 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA309224  Eriophyllum wallacei Dale E. Johnson 1974-4-24 93 Los Angeles W of Palmdale airport, 1.9km (1.2miles) N of Ave P on Sierra Hwy (road just E of and parallel to Hwy 14 (Mojave San Fernando road) Comment
  UCR281955  Erodium botrys R. G. Swinney 2014-5-15 16544 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
  UCD103069  Erodium botrys Daryl Koutnik 1978-3-27 168 Los Angeles John's Pasture in Live Oak Canyon drainage at north end of Mountain Ave, Claremont. 579 Comment
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Aug 9 2017
  RSA190963  Erodium brachycarpum Robert F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36750 Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  LA200509  Erodium cicutarium C. L. Hogue; 1954-5-4 sn Los Angeles Santa Monica Mountains, off Mulholland Drive Comment
  RSA226191  Erodium cicutarium Gary D. Cromwell 1971-4-16 509 Los Angeles Mystic Canyon, 2 mi NE of Glendora Comment
  RSA390929  Erodium moschatum Tom Burch 1940-3-9 4020 -3 Los Angeles Redondo Beach. 0 Comment
  RSA534074  Erodium moschatum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5255 Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  UCSB9872  Erodium moschatum Haller, John 1950-3-30 Los Angeles UCLA; Base of Faculty Hill; Near Sunset Blvd Comment
  CAS-BOT-BC41509  Erysimum asperum Joseph Andorfer Ewan 1932-5-29 7219 Los Angeles San Gabriel Mountains. Mount Gleason. 1737 Comment
  CAS-BOT-BC40722  Erysimum capitatum John Thomas Howell 1947-7-18 23395 Los Angeles San Gabriel Mountains. Blue Ridge. 2590 Comment
  SEINET7063084  Erysimum capitatum A. G. Vestal 1963-5-22 s.n. Los Angeles In the San Gabriel Mountains southeast of Palmdale. UTM Zone 11, 400840mE, 3822562mN. (WGS84/NAD83). 876 Comment
  CAS-BOT-BC54693  Erysimum capitatum var. capitatum Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9895 Los Angeles San Gabriel Mountains. 1.5 mile below head of Cedar Canyon off Mescal Canyon. Comment
  RSA530310  Erysimum capitatum var. capitatum Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  RSA530298  Erysimum capitatum var. capitatum H. C. Ackley 1927-02 s.n. Los Angeles Foothills Comment
  RSA654626  Erysimum capitatum var. capitatum Dan Milojevich 1981-5-22 54 Los Angeles Mt. Baldy Rd. at Padua Hills. Comment
  CATA167  Erysimum cheiri Mark L. Hoefs 1973-3-17 130 Los Angeles Santa Catalina Island: Pebbly Beach Road 3 Comment
  CAS-BOT-BC55205  Erysimum suffrutescens G. B. Rossbach 1940-2-25 924 Los Angeles El Segundo. Comment
  RSA530236  Erysimum suffrutescens Robert Gustafson 1981-2-4 2097 Los Angeles Ballona Wetlands, Area 1, coastal strand along the western boundary of Area 1 Comment
  UCSB8508  Erysimum suffrutescens Wedberg, H. 1957-3-25 Los Angeles Playa Del Rey Comment
  SDSU10775  Erythranthe guttata Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, 1 mmile from base of Chantry Flats Trail, up canyon. San Gabriel Mtns. Comment
  SBBG119272  Eschscholzia caespitosa O. Mistretta 1995-6-23 1845 Los Angeles Lookout Mtn Trail 1463 Comment
  SBBG31020  Eschscholzia californica R. F. Thorne 1966-4-28 Los Angeles above upper end of Renton Mine Rd, Pebbly Beach Cyn 274 Comment
  UCR190286  Eschscholzia californica R. G. Swinney 1998-8-1 6621 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  CAS-BOT-BC403176  Eschscholzia californica Geo. B. Grant No date on label 6891 Los Angeles Alpine Comment
  SEINET12102671  Eschscholzia californica W. F. Wight 1907-1 1628 Los Angeles East Lake Park, Los Angeles Comment
  RSA433677  Eschscholzia californica subsp. californica Howard Mullins 1931-4-27 s.n. Los Angeles Vacant lot, Burbank Comment
  UCR258948  Eucalyptus polyanthemos R. G. Swinney 2010-2-27 11762 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
  SBBG113035  Eucrypta chrysanthemifolia S. A. Junak with K. Kirkland 1998-4-30 SCa 554 Los Angeles Airport Rd, head of cyn above Hamilton Cove 316 Comment
  SBBG98481  Eucrypta chrysanthemifolia T. Ross 1991-5-21 5417 Los Angeles upper reaches of Box Cyn, SW side of island 403 Comment
  UCR186763  Eucrypta chrysanthemifolia T. B. Salvato, Sandra Murcia 2007-3-28 2008 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
  UC1183597  Eulobus californicus Venkatesh 1957-4-29 7 Los Angeles 4.0 mi from United States Highway 101 (alternate); Santa Monica Mountains, Latigo Canyon Comment
  SBBG17121  Eulobus californicus M. Vincent 1962-4-6 162 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  NY519451  Eupatorium adenophorum T. S. Ross 1992-5-24 6405 Los Angeles Lower Brown's Gulch: just W of the San Gabriel Dam. 463.3 Comment
  CAS-BOT-BC202524  Euphorbia A. D. E. Elmer 1902-6-1 3630 Los Angeles Lancaster Comment
  RSA436005  Euphorbia crenulata Arthur B. Shepard 1933-3-22 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  UCR66721  Euphorbia helioscopia L. C. Wheeler 1933-11-9 02239 Los Angeles 2 mi SE El Monte 76 Comment
  RSA762497  Euphorbia maculata R. G. Swinney 2008-11-29 9846 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UC1929618  Euphorbia ocellata subsp. arenicola Scott D. White 2003-6-8 9504 Los Angeles W MOJAVE DESERT: Near Lake Los Angeles. North of Avenue O and east of 150th St. E. Comment
  RSA70381  Euphorbia palmeri F. W. Peirson 1922-7-6 3184 Los Angeles Swartout Valley region. Big Pines, north side of San Gabriel Mtns. 2073 Comment
  UCR50852  Euphorbia peplus A. C. Sanders 1988-5-18 7830 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CDA4856  Euphorbia peplus L. C. Wheeler 1947-4-13 6464 Los Angeles San Gabriel Mountains;; San Gabriel Mountains;: Sunset Ridge on south side of Millard Canyon.. Elev. 2100 Feet. Comment
  SD245361  Euphorbia peplus Robert F. Thorne, J. Henrickson 1963-5-5 32274 Los Angeles Foothills of the San Gabriel Mts. Flat area near mouth of Cobal Canyon, few miles N. of Claremont. Comment
  CATA3340  Extriplex californica Amy Catalano, Schylar Gholson 2016-2-9 013 Los Angeles Santa Catalina Island: Beach southwest of Smuggler's Loop Road 0 Comment
  UCR223003  Festuca dertonensis R. G. Swinney 2009-6-2 11027 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
  LA33395  Festuca microstachys Peter H. Raven; Henry J. Thompson 1959-5-5 14125 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  SBBG119573  Festuca microstachys var. pauciflora S. D. White with K. Hughes 2000-5-17 7875 Los Angeles Soledad Cyn 579 Comment
  SEINET2473476 Image available Festuca myuros Richard G. Swinney 2009-4-24 10476 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 960 Comment
  UCR280658  Festuca myuros R. G. Swinney 2014-5-21 16622 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  UCR129373  Festuca myuros var. hirsuta Orlando Mistretta 1994-6-15 1357 Los Angeles San Gabriel Mtns, Santiago Canyon. Side drainage entering Santiago Canyon from the west, c. 3 mi south of confluence of Santiago Creek and Little Rock Creek 1585 Comment
  UCR114216  Festuca octoflora A. C. Sanders, D. Malueg 1998-6-24 22064 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR203202  Festuca octoflora R. G. Swinney 2005-5-21 8243 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR270802  Festuca octoflora R. G. Swinney 2011-5-26 14871 A 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
  SD232148  Festuca perennis V. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Transverse ranges, San Gabriel mountains region, Morgan Fire 200 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat 648 Comment
  SEINET3245958  Festuca pratensis R. G. Swinney 2009-1 10857 Los Angeles Transverse Range; San Gabriel tns: Sulphur Springs Campground, streamside from campground to 300 m downstream (Waterman Mtn. 7.5') 1585 Comment
  RSA0088626  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15 -200 Los Angeles City of Carson, E side of 110-Freeway along 190th St. 11 Comment
  RSA0113951  Ficus microcarpa R. E. Riefner Jr. 2014-6-10 14 -371 Los Angeles Harbor City, W of 110-Freeway, Figueroa Pl. at Lagoon Dr. 6 Comment
  POM155616  Filago californica M. L. Bryan 1928-4-20 30 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  RSA772104  Forestiera pubescens R. G. Swinney 2009-5-20 10849 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UC22589  Forestiera pubescens Prof. A. P. Hayne Oct 1897 Los Angeles Antelope Valley Comment
  OBI34887  Frankenia salina David J. Keil 1983-8-23 17884 Los Angeles Huntington harbor at Bolsa Chica Ecological Reserve Comment
  RSA532661  Frasera neglecta Tim S. Ross 1991-8-14 5760 Los Angeles Roundtop [Mtn], San Gabriel Mountains. 1902 Comment
  RSA795700  Fraxinus W. R. Ferren, Hamilton 1993-9-1 EPA- 296 Los Angeles Santa Monica Mountains. Tapia County Park. 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
  RSA660401  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UC1175004  Fraxinus dipetala P. C. Everett and E. K. Balls 1959-6-29 23869 Los Angeles 2 mi from Seminole Hot Springs; Santa Monica Mts. 487 Comment
  UCR217411  Fraxinus velutina R. G. Swinney 2009-3-10 10069 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CAS-BOT-BC212396  Fremontodendron californicum Timothy S. Ross; Steve Boyd 1990-6-18 3503 Los Angeles 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages, Ball Flat, San Gabriel Mountains 1767 Comment
  RSA188527  Fremontodendron californicum subsp. californicum Robert F. Thorne, J. Olmstead 1965-8-26 35401 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  RSA640808  Fritillaria biflora Louis C. Wheeler 1931-2-27 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon (M. S. R. ). Comment
  CDA37860  Galenia pubescens J. L. Johnson 1978-7-5 s.n. Los Angeles Malibu, 433 Encinal Canyon Road. 0 Comment
  UCR149535  Galinsoga parviflora R. G. Swinney 1997-2-22 5408 Los Angeles San Gabriel Mtns., Duarte, due west of Fish Canyon mouth, south spur of SW end of Van Tassel Ridge 396 Comment
  RSA600054  Galium andrewsii Steve D. Boyd, Lauren Raz 1997-5-20 9809 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  CHSC3732  Galium angustifolium Sue Boergadine 1966-4-28 6 Los Angeles App. 8 mi NE of Newbell 914 Comment
  UCR187112  Galium angustifolium A. C. Sanders 2006-5-16 32356 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  JEPS114014  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-5-10 7700 Los Angeles Saddle divide between E. Fork Fish Canyon and Warm Springs Canyon; vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), NNW of Warm Springs Mountain summit. Comment
  RSA578099  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1994-5-31 7701 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  UC1584245  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1990-6-6 2821 A Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quadrangle, San Francisquito Canyon 926 Comment
  RSA229186  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-29 40711 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  SD86341  Galium aparine M. Douglas, R. Beauchamp 1972-3-24 3233 Los Angeles canyon bottom north of Nanny, San Clemente Island 149 Comment
  POM4426  Galium aparine Minnie Reed 1896-4-2 s.n. Los Angeles Pomona. Comment
  SDSU9317  Galium aparine R. M. Beauchamp 1967-3-18 294 Los Angeles In grassy bottom of canyon west of the dump below Lemon Tank. San Clemente Island Comment
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May 16 2008
  CAS-BOT-BC217472  Galium catalinense Carl B. Wolf 1932-5-11 3553 Los Angeles W. side of Isthmus Harbor, Santa Catalina Island 3 Comment
  UC2030108  Galium grande V. Soza, Monica Acosta 2001-6-20 1299 b Los Angeles Transverse Ranges, San Gabriel Mountains region: Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road (FS Road 1N29), ca. 1.54 miles east of junction with Van Tassel Truck Trail (FS Road 1N36). Comment
  RSA604615  Galium hallii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. Comment
  CATA3284  Galium nuttallii subsp. insulare Julie L. King 2017-3-1 62 Los Angeles Santa Catalina Island: Isthmus Rd. near zone 1 fence 176 Comment
  UCR242051  Galium porrigens Dan S. Cooper 2012-3-13 312- 14 Los Angeles Western Transverse Range; Santa Monica Mountains, east of Kanan Road (Co Hwy N9), 4 km south of Hwy 101 and 1.3 km north of Triunfo Canyon Road 347 Comment
  RSA279038  Gamochaeta pensylvanica R. F. Thorne 1971-4-23 41483 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  CAS-BOT-BC186353  Garrya flavescens Le Roy Abrams; E. A. McGregor 1908-7-2 568 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  CAS-BOT-BC159268  Garrya veatchii J. Ewan 1931-3-21 7073 Los Angeles Open stony fire-break. At summit of Saddle Peak. Santa Monica Mts. 822 Comment
  RSA601265  Garrya veatchii Louis C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: 1/2 mi. south southwest of Johnstone Peak by Ham Canyon Truck Trail on ridge between Ham and Sycamore canyons. 861 Comment
  UCR17881  Gaura sinuata G. R. Johnstone 1932-4-30 s.n. Los Angeles Los Angeles Basin, 3600 block of Slauson Ave., Los Angeles 69 Comment
  RSA748460  Gayophytum R. G. Swinney 2001-8-18 8056 Los Angeles Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge. 2250 Comment
  UCR191521  Gayophytum R. G. Swinney 1998-7-8 6302 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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May 1 2012
  RSA776489  Gayophytum decipiens LeRoy Gross, Jane Tirrell 2011-7-20 5522 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. 2287 Comment
  RSA229068  Gayophytum decipiens Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38863 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle. 2317 Comment
  RSA0098617  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-1 14981 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  SBBG126993  Gayophytum diffusum subsp. parviflorum A. Parikh, N. Gale 2011-6-27 3514 Los Angeles upper Big Tujunga Cyn, 0.1 km W of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1277 Comment
  UCR273411  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-22 15255 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  UC73311  Gayophytum heterozygum Geo. B. Grant May 1902 492 Los Angeles Mt. Wilson Comment
  RSA390994  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  RSA746903  Geranium carolinianum R. G. Swinney 2003-5-12 8200 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  RSA390990  Geranium carolinianum Anstruther Davidson 1890-04 s.n. Los Angeles [No location information on label.] Comment
  LA211147  Geranium dissectum Arthur C. Gibson; 2011-6-8 5353 Los Angeles SANTA MONICA MOUNTAINS, Upper Stunt Trail, Stunt Rd., Calabasas. Comment
  RSA628583  Geranium rotundifolium Louis C. Wheeler 1967-7-18 10111 Los Angeles San Gabriel Mountains, Angeles National Forest: Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA0112636  Gilia A. C. Sanders 2005-5-11 30160 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons. 610 Comment
  SEINET3246000  Gilia R. G. Swinney 2009-1 10838 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
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Dec 7 2018
  LA201778  Gilia achilleifolia Arthur C. Gibson; 2001-5-18 4868 Los Angeles Comment
  RSA569922  Gilia aliquanta subsp. aliquanta T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4833 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  IRVC26456  Gilia angelensis A. C. Sanders, Mark Elvin, et al. 2003-3-4 25691 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  UC125972  Gilia angelensis C. F. Baker 1904-4-22 4185 Los Angeles Monrovia Comment
  POM182440  Gilia angelensis George B. Grant 1901-1 s.n. Los Angeles Probably in the vicinity of Pasadena Comment
  RSA609515  Gilia angelensis L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  RSA470179  Gilia cana subsp. cana Anonymous s.n. Los Angeles Botanical Garden, UC Los Angeles. Comment
  SD178204  Gilia capitata A. C. Sanders, T. B. Salvato 2005-4-26 29682 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Plum Canyon Rd. in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. On south-facing slopes. 594 Comment
  RSA599258  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-3-31 9433 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
  RSA67076  Gilia capitata subsp. abrotanifolia Alva Grant, Verne Grant 1951-6-3 16007 Los Angeles On south slope of Cow Canyon, 1.9 mi W of jct. with San Antonio Canyon Road. 1372 Comment
  SBBG125861  Gilia capitata subsp. abrotanifolia A. Parikh, N. Gale 2010-6-2 3254 Los Angeles Sierra Pelona, 3.8 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1140 Comment
  UC23355  Gilia capitata subsp. abrotanifolia J. Burtt Davy May 9 1896-May 24 1896 2660 Los Angeles near Manzana (Antelope Valley, S California); Antelope Valley, near Manzana Comment
  UC908401  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-4-26 2952 Los Angeles 4 mi w Saugus; w of Saugus Comment
  UCR123640  Gilia capitata subsp. abrotanifolia Steven R. Hill, K. Kramer 2001-4-22 33353 Los Angeles San Gabriel Mountains/SW Mojave Desert, S side of Antelope Valley, Johnson Road, 6.2 mi NNE of junction with Elizabeth Lake Road, 3 mi south of junction of Avenue I and 110th Street West 939 Comment
  RSA778925  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-2 5239 Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  POM145568  Gilia latiflora subsp. davyi L. R. Abrams 1927-4-30 11725 Los Angeles Head of Antelope Valley. Comment
  UC440412  Gilia latiflora subsp. davyi Carl Epling, Lincoln Ellison, Harvey Anderson 1930-4-17 Los Angeles Lancaster Mohave Desert, Lancaster Comment
  RSA247972  Gilia latiflora subsp. davyi R. F. Thorne, Gary D. Wallace 1973-4-24 43451 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  UCR190897  Gilia modocensis R. G. Swinney 1998-7-2 6234 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR238626  Gilia modocensis Anuja Parikh, Nathan Gale 2010-5-12 3159 Los Angeles Western Mojave Desert, Antelope Valley, 3.9 km south of Hwy 138, 0.2 km west of 120th St. West, under power transmission lines 783 Comment
  RSA526066  Gilia nevinii Steve Boyd, Orlando Mistretta, L. Arnseth, Bart O'Brien, Tom Hayduk 1990-4-6 4165 Los Angeles San Clemente Island: head of Larkspur Canyon, E side of island, S of US Navy site called Jack. 213 Comment
  SBBG31313  Gilia nevinii R. F. Thorne with P. C. Everett 1965-5-11 34575 Los Angeles N side of N beach of Little Harbor 15 Comment
  SD85024  Gilia nevinii E. R. Blakley 1962-6-9 5175 Los Angeles Channel Islands, San Clemente Island. Triangulation Thirst. 598 Comment
  UC1587749  Gilia nevinii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5275 Los Angeles westerly fork Near-Death Canyon San Clemente Island, westerly fork Near-Death Canyon (draining to Mosquito Cove (drainage beginning 800 ft n of Rest [1336'] marker, 1800 ft se of Malo Knoll [1396'] San Clemente Is) 304 Comment
  UC284791  Gilia nevinii P. A. Munz 1923-4-8 6633 Los Angeles e coast San Clemente Island Comment
  CAS-BOT-BC402015  Gilia ochroleuca subsp. bizonata John Thomas Howell 1930-5-12 4875 Los Angeles 1 mile north of Acton Comment
  RSA0016254  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-4-16 9515 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  CAS-BOT-BC402057  Gilia ochroleuca subsp. vivida Timothy S. Ross 1994-5-31 7966 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 530 m due W of the 7124-ft summit; low saddle-like area, functionally the head of Santiago Canyon 2023 Comment
  RSA0113524  Gilia virgata var. dasyantha Henry J. Ramsey, Henry J. Ramsey 1938-6-12 2735 Los Angeles North Craig Ave., Altadena. Comment
  JEPS30644  Glebionis coronaria Henry J. Thompson and Peter H. Raven 1959-6-4 14325 Los Angeles Point Dume Santa Monica Mountains, Point Dume 45 Comment
  SBBG84077  Glebionis coronaria C. F. Smith 1958-3-30 5692 Los Angeles about Manhattan Beach Comment
  RSA592018  Gnaphalium Mark Hoefs, D. Propst 1973-3-3 25 Los Angeles Santa Catalina Island: East slope of Black Jack Mt. 366 Comment
  POM358777  Gnaphalium californicum F. R. Fosberg 1931-4-2 4449 Los Angeles Santa Catalina Island. Camp Frost 300 Comment
  POM358783  Gnaphalium californicum James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA601041  Gnaphalium californicum Steve Boyd, Lauren Raz 1997-6-18 9974 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR214664  Gnaphalium canescens A. C. Sanders, Dan S. Cooper 2010-4-30 38135 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SD69673  Gnaphalium purpureum Robert F. Thorne 1966-6-2 36514 Los Angeles Santa Catalina Island; margin of Echo Lake, northnortheast of Black Jack Mountain. 409 Comment
  RSA550382  Gnaphalium stramineum Timothy S. Ross 1992-7-10 6659 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  UCR220197  Gnaphalium stramineum R. G. Swinney 2009-4-7 10296 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  SEINET2042299 Image available Grayia spinosa B. Pitzer 1998-5-12 3707 Los Angeles Western Mojave Desert; HWY 18 (=Hwy 138 = Palmdale Hwy), ca. 1 mi W of the San Bernardino Co. Line. (Mescal cCreek 7.5') 1171 Comment
  RSA402901  Guilleminea densa Anstruther Davidson 1890-09 s.n. Los Angeles Lawn Comment
  RSA430022A  Guillenia lasiophylla M. B. Dunkle 1930-3-30 2153 Los Angeles Santa Catalina Island, Moonstone Beach. Comment
  SBBG8305  Gutierrezia microcephala H. and M. Dearing 1937-10-15 2893 Los Angeles Mint Cyn near Palmdale Comment
  UC1118593  Gutierrezia sarothrae P. L. Johannsen 1934-2-27 308 Los Angeles Mouth Bouquet Canyon Santa Susana Quadrangle, Mouth Bouquet Canyon 381 Comment
  UCR117560  Haplopappus venetus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23257 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  LA30848  Hazardia squarrosa var. grindelioides Peter H. Raven; Jane Turner, Barbara Whitesel 1959-2-23 C- 136 Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  OBI28467  Hazardia squarrosa var. grindelioides J. & B. Sample, B. Sample 1981-8-14 5594 Los Angeles CA-2, N of La Canada Flintridge, boundry of Natl Forest (San Gabriel Mts) Comment
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Sep 15 2014
  SD21218  Hazardia squarrosa var. grindelioides Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor. Comment
  SD40848  Hazardia squarrosa var. grindelioides Carl B. Wolf 1932-10-19 4353 Los Angeles Ridge Route Road; 4 miles north of Castaic. 640 Comment
  CATA3446  Hedera helix Benjamin J. Dion, Tobias Nickel 2017-6-22 028 Los Angeles Santa Catalina Island: Interior; Haypress watershed in drainage below Haypress Reservoir and southeast of Hidden Lakes Reservoir 409 Comment
  UCR273165  Hedypnois cretica R. G. Swinney 2011-5-10 14629 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UCR274105  Hedypnois cretica Steven A. Junak 1999-4-23 SCa- 849 Los Angeles California Islands, Santa Catalina Island. East of isthmus, plant stop, along south side of road 183 Comment
  OBI35969  Helenium bigelovii J. & B. Semple, B. Semple 1981-8-14 5615 Los Angeles E. of Kratka Bridge 2134 Comment
  RSA330786  Helenium bigelovii Wayne E. Sawyer 1981-7-10 85 Los Angeles Angeles National Forest: CA Hwy 2 between Dawson Saddle And junction of CA Hwy 39, 1.8 mi. from Dawson Saddle 2287 Comment
  CAS-BOT-BC309437  Helenium puberulum Scott D. White; Dave Bramlet 1998-8-11 7041 Los Angeles San Gabriel Mts. West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of jtn. Crystal Lk. access rd. to jtn. Hwy 2 2010 Comment
  CAS-BOT-BC223988  Helianthemum scoparium Carl B. Wolf 1932-5-10 3534 Los Angeles Santa Catalina Island. 100 yds. SE. of Summit of the equestrian trail, back of Avalon 304 Comment
  RSA609077  Helianthemum scoparium L. C. Wheeler 1932-6-4 807 Los Angeles Live Oak Canyon 518 Comment
  UCR217344  Helianthus annuus David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area 698 Comment
  CAS-BOT-BC305423  Helianthus annuus Herman Knoche 1919-7-14 Series A, No. 1054 Los Angeles Unspecified Comment
  RSA600837  Helianthus annuus subsp. lenticularis L. C. Wheeler 1967-5-13 9534 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  UC450854  Helianthus gracilentus Fay A. Macfadden 1931-4-25 81 E Los Angeles near ridge stow road; Verdugo Hills, Tuna Canyon Comment
  UC1424926  Helianthus gracilentus Jack Delaini and Barbara Shervanick 1974-5-23 208 Los Angeles near firebreak on top of e ridge Lodi Canyon; Angeles National Forest, San Dimas Experimental Forest 807 Comment
  JEPS67990  Heliotropium curassavicum Elizabeth Day Palmer 1908-7-16 Los Angeles Los Angeles Comment
  UCR156104  Hemizonia fasciculata A. C. Sanders 2005-5-5 29881 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
  RSA117747  Hemizonia fasciculata S. Carlquist 1956-6-20 402 Los Angeles Along roadside, in dry oat fields between Thousand Oaks and Rolling Hills on Ventura Blvd (Hwy101) San Fernando Valley. Comment
  CDA7814  Hemizonia minthornii J. T. Howell 1977-3-7 52314 Los Angeles Santa Susana Mtns.; Summit of Santa Susana Pass. Ventura-Los Angeles county line. Comment
  RSA640009  Hesperocnide tenella Louis C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, Herreres Ranch vicinity, 0.3 mile southwest of Herreres Ranch. 427 Comment
  CATA3385  Hesperocyparis stephensonii Peter J. Dixon 2017-2-22 074 Los Angeles Santa Catalina Island: Blackjack Campground near upper group camp sites 485 Comment
  CAS-BOT-BC143701  Heteromeles arbutifolia Herman Knoche 1919-7-4 Series A, No. 1003 Los Angeles San Clemente Island, Camp Mosquito Comment
  UC481027  Heterotheca grandiflora C. F. Millspaugh 1920-1-1 4494 Los Angeles Descanso Canyon Santa Catalina Island, Descanso Canyon Comment
  RSA0074402  Heterotheca grandiflora Robert Gustafson 1980-7-9 1796 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA0074405  Heterotheca grandiflora M. B. Dunkle 1932-1-10 2858 Los Angeles Silver Canyon Trail, Santa Catalina Island. Comment
  RSA0074442  Heterotheca grandiflora Timothy S. Ross 1991-2-23 4099 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  RSA0074445  Heterotheca grandiflora F. Zuazo 1953-1-28 s.n. Los Angeles Covina, Valley Center and Cypress. 243 Comment
  UCR108346  Heterotheca villosa var. villosa L. C. Wheeler 1970-10-10 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard 79 Comment
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Sep 10 2007
  RSA0063111  Heuchera elegans Orlando Mistretta, Mark Elvin 1995-5-10 1698 Los Angeles San Gabriel Mountains. Bare Mountain Canyon, West Fork. 1540 Comment
  CATA1643  Hirschfeldia incana Mark L. Hoefs, Steven A. Junak 1998-6-12 2926 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  RSA0022526  Hirschfeldia incana Duncan S. Bell, Caitlin Elam 2013-6-24 5251 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  CATA2005  Hirschfeldia incana Steven A. Junak, Mark Hoefs, Keri Kirkland 1997-11-14 478 Los Angeles Santa Catalina Island: Upper edge of camp at Emerald Bay, just N of main road 18 Comment
  LA97873  Holodiscus discolor Kei Nakai; 1977-4-7 154 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 2 mi above Sunset Blvd. 243 Comment
  RSA659838  Holodiscus discolor Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Slope near E tributary of Fern Canyon. USFS Road 2N66. 756 Comment
  SD69658  Holodiscus discolor Robert F. Thorne 1967-5-20 36905 Los Angeles Santa Catalina Island: along dry stream bed in Descanso Canyon ca. 1/4 way down from head at Airport Rd. to mouth 228 Comment
  SEINET1906758 Image available Hordeum depressum A. C. Sanders, E. J. Lott 1993-1 13959 Los Angeles Western Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave ''F' 701 Comment
  SD252247  Hordeum depressum Steven A. Junak 1999-5-20 Sca 957 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road. 305 Comment
  POM352501  Hordeum intercedens F. R. Fosberg 1931-4-29 4706 Los Angeles Catalina Island. Middle Ranch Canyon, 1.5 miles below Eagle's Nest. 180 Comment
  RSA0110562  Hordeum intercedens Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 SCa- 596 Los Angeles Santa Catalina Island. Small rise just NE of Airport Road, just S of ridge with Whitley's Peak. 426 Comment
  SBBG127978  Hordeum marinum M. L. Hoefs, S. A. Junak 1996-5-1 2688 Los Angeles Haypress Reservoir, at cmpgrd 384 Comment
  RSA659678  Hordeum murinum Chris White 1991-5-20 30 Los Angeles Point Fermin Comment
  CATA906  Hordeum murinum subsp. glaucum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1744 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  SD39950  Horkelia cuneata Rempel 1932-3-14 Los Angeles El Segundo, Est dunes Comment
  RSA451643  Horkelia cuneata subsp. puberula Louis Greata 1901-03 2097 Los Angeles near Eaton Canyon. Comment
  CAS-BOT-BC532300  Horkelia cuneata var. puberula C. F. Baker 1904-4-20 4760 Los Angeles Pacific Coast, Claremont Comment
  UCD170959  Horkelia rydbergii R. G. Swinney 2009-7-22 11343 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UCR270248  Horkelia rydbergii R. G. Swinney 2011-10-10 15748 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  CAS-BOT-BC213009  Hosackia crassifolia Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  CAS-BOT-BC213016  Hosackia crassifolia I. M. Johnston 1917-7-1 1751 Los Angeles near Browns Flats 1371 Comment
  RSA527777  Hypochaeris glabra Steve Boyd, L. Arnseth 1990-4-8 4342 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SBBG109003  Isocoma menziesii S. A. Junak 1996-10-2 SCl 705 Los Angeles just E of mouth of Horse Cyn 9 Comment
  SBBG112934  Isocoma menziesii S. A. Junak with K. Kirkland 1979-11-15 SCa 485 Los Angeles 1 mi N of Cactus Pk, at E end of conspicuous limestone ridge 387 Comment
  POM158316  Isocoma menziesii var. sedoides M. B. Dunkle 1928-4-29 1898 Los Angeles Santa Catalina Island, Little Harbor. 12 Comment
  RSA239450  Isocoma menziesii var. sedoides E. R. Blakley 1961-9-23 4738 Los Angeles S Shore of Catalina Harbor E of Ballast Point, Santa Catalina Island 2 Comment
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Jul 7 2011
  UC1093115  Isomeris arborea Richard Snow 1957-3-2 Los Angeles Point Dume Comment
  UC1281217  Isomeris arborea H. E. McMinn 1924-7-25 1320 Los Angeles Santa Catalina Island Comment
  SBBG61151  Iva axillaris R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SEINET10873594  Jacaranda mimosifolia Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4839 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  OBI69349  Jepsonia malvifolia John Knapp, Denise Knapp 2002-11-27 20 Los Angeles Santa Catalina Island 366 Comment
  UC1370281  Jepsonia malvifolia R. Ornduff 1961-12-26 5096 Los Angeles near Avalon; Catalina Island, Pebble Beach Canyon Comment
  RSA764418  Juglans californica Justin M. Wood 2009-8-18 1249 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCSB70459  Juglans californica Gross, LeRoy; Soza, Valerie 2001-5-31 Los Angeles Los Angeles Basin: Vedugo Mountains Region: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. 396 Comment
  RSA0011181  Juglans californica D. F. Howe 1947-3-22 s.n. Los Angeles Topanga Canyon 1/2 mile from ocean. Comment
  CAS-BOT-BC478182  Juglans hindsii R. E. Jr. Riefner 2015-8-23 15 -343 Los Angeles Universal City, along E side of Barham Blvd., vicinity of Craig Drive 233 Comment
  UCR251746  Juglans hindsii R. E. Riefner Jr. 2000-8-29 00- 764 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Sunland, Verdugo Mountains, lower end of La Tuna Canyn, lot on north side of La Tuna Canyon Rd., 0.3 miles east of Sunland Blvd. near Helen Ave. 272 Comment
  CAS-BOT-BC110039  Juncus acutus E. R. Blakley 1961-9-24 4784 Los Angeles Santa Catalina Island. Little Springs Canyon. 15 Comment
  UCR277195  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA313612  Juncus balticus subsp. ater H. E. Hasse 1892-05 2533 Los Angeles Foothills, Santa Monica Comment
  RSA0012075  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA251462  Juncus bufonius Robert F. Thorne 1973-4-11 428525 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  CATA556  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne 1975-8-7 820 Los Angeles Santa Catalina Island: Lower Middle Canyon 76 Comment
  RSA0116659  Juncus macrophyllus R. G. Swinney 2008-10-10 9583 Los Angeles San Gabriel Mtns.; Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA69669  Juncus macrophyllus Joseph A. Ewan, A. N. Dunn 1933-7-23 7828 Los Angeles at confluence 1036 Comment
  UCR204218  Juncus macrophyllus R. G. Swinney 2005-7-21 8336 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA0127457  Juncus macrophyllus Louis C. Wheeler 1967-7-20 10137 Los Angeles Aliso Canyon. 1067 Comment
  RSA368237  Juncus mexicanus F. R. Fosberg 1930-7-3 S- 3110 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UC1586199  Juncus mexicanus Tim Ross 1991-8-16 5817 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1719 Comment
  RSA69859  Juncus textilis F. W. Peirson 1921-6-20 1640 Los Angeles North Fork of San Gabriel River 762 Comment
  SFV20848  Juncus xiphioides L. Gross, A. E. Gutman, S. Gutman 2000-9-8 265 Los Angeles San Fernando Valley Tujunga Ponds. 335 Comment
  SEINET7047916  Juniperus californica Steven R. Hill, Kate Kramer 2001-4-22 33365 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of California Route 14, 0.9 mile west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek. Elevation about 2800 feet. Comment
  CAS-BOT-BC235751  Keckiella cordifolia Tim Ross; Orlando Mistretta 1993-5-27 7320 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  CATA990  Keckiella cordifolia Mark L. Hoefs 1994-5-21 1864 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  NY790215  Keckiella cordifolia F. R. Fosberg 1931-3-27 S 4400 Los Angeles Hamilton Canyon, Santa Catalina Island 50 Comment
  RSA401758A  Keckiella cordifolia F. R. Fosberg 1931-4-14 S- 4605 Los Angeles Eagles Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  SFV21122  Keckiella cordifolia L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1060 Los Angeles Verdugo Mountains South side of Verdugo Mountains. West side of Brand Canyon just a short distance above the cemetery. East side of canyon near above coordinates. 307 Comment
  RSA400473  Keckiella ternata subsp. ternata Thekla Mohr 3028 Los Angeles North Fork San Gabriel River. Comment
  POM50838  Kochia californica A. D. E. Elmer 1902-06 3717 Los Angeles Lancaster. Comment
  RSA599653  Koeleria macrantha Steve Boyd, Lauren Raz 1997-5-1 9671 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
  CAS-BOT-BC271340  Koeleria pyramidata Le Roy Abrams 1901-4-1 1219 Los Angeles Ballona Harbor Comment
  RSA725070  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -81 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  SBBG61192  Lagophylla ramosissima R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  CATA120  Lamarckia aurea Mark L. Hoefs, A. Douglas Propst 1973-3-14 92 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  POM352637  Lamarckia aurea F. R. Fosberg 1931-3-18 S 4297 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 10 Comment
  LA12433  Lamarckia aurea Carl Epling; 1931-4-15 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA720183  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Base of northern side of the range. Behind the Foothill Athletic Club, at the southern end of Lowell Ave. 468 Comment
  RSA161205  Lamium amplexicaule Peter H. Raven 1962-2-1 16877 Los Angeles Los Angeles State and County Arboretum. 183 Comment
  RSA662138  Lamium amplexicaule Carol Zuck 1981-2-3 11 Los Angeles Cul de sac at the end of Springfield St. Comment
  SBBG131564  Lamium amplexicaule S. A. Junak 2000-4-15 SCa 1191 Los Angeles Wrigley Botanic Garden, Avalon Cyn, near drinking fountain in front of restrooms 115 Comment
  UCR280559  Larrea tridentata R. G. Swinney 2014-4-17 16074 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA151025  Lasthenia californica Peter H. Raven 1962-4-11 17283 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  UC1614261  Lasthenia gracilis Charles M. Belshaw 1935-3-29 504 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp, W. Antelope Valley); W. Antelope Valley, La Liebre Scarp Comment
  UCR138135  Lasthenia gracilis L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  UCR255831  Lasthenia gracilis R. G. Swinney 2010-5-12 12744 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  JEPS9699  Lasthenia gracilis I. W. Clokey and B. C. Templeton 1930-4-8 4672 Los Angeles along San Fernando Road 300 Comment
  RSA579161  Lasthenia gracilis Timothy S. Ross, Darin Banks 1994-4-12 7489 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon ; ca 670 m SSE of where Drinkwater Canyon joins S. Fr. Canyon. 537 Comment
  SBBG131498  Lasthenia gracilis S. A. Junak, B. Collins 1991-4-24 SCI 183 Los Angeles W side of W Shore Rd 36 Comment
  UCSB41996  Lasthenia gracilis Purviance, Susan 1979-3-28 Los Angeles Munz Ranch Road 1 mi. west of Avenue I, Antelope Valley Comment
  SD13110  Lathyrus vestitus var. vestitus Edith A. Purer 1935-5-11 6561 Los Angeles Santa Monica Mountains, Malibu Road, hillside Comment
  UCR194764  Lathyrus vestitus var. vestitus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 709 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  RSA651401  Lathyrus vestitus var. vestitus Glen Johnson 1949-5-4 s.n. Los Angeles San Gabriel Canyon. 1219 Comment
  UC69582  Lathyrus vestitus var. vestitus Dr. F. Franceschi 1895-1 Los Angeles Comment
  RSA239454  Lavatera assurgentiflora subsp. assurgentiflora Unspecified 1962-10-4 5395 Los Angeles Avalon terrace in Avalon, Santa Catalina Island. 30 Comment
  CAS-BOT-BC380217  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Santa Monica Mountains: Point Dume 15 Comment
  RSA0048493  Layia platyglossa Elwood Fordham 1951-4-7 s.n. Los Angeles Point Dume. 27 Comment
  POM4831  Layia platyglossa subsp. campestris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA0084935  Lemna R. G. Swinney 2010-6-23 13330 Los Angeles 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
  UCR139905  Lemna Scott D. White 1997-5-14 5142 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  RSA368960  Lemna gibba B. C. Templeton, I. W. Clokey 1930-2-18 1485 Los Angeles La Brea Pits. 250 Comment
  RSA69727  Lemna minor F. W. Peirson 1924-9-19 5269 Los Angeles Arroyo Seco, near Pasadena. 198 Comment
  RSA368964  Lemna minuta F. R. Fosberg 1930-6-26 446 Los Angeles Lower Ballona Creek. 6 Comment
  LA64421  Lepechinia fragrans Carl Epling; William Stewart June 1938 sn Los Angeles San Gabriel Mountains, Mt. Wilson Rd Comment
  CAS-BOT-BC88693  Lepidium acutidens L. R. Abrams 1899-4-1 242 Los Angeles Cienega. Comment
  CAS-BOT-BC89421  Lepidium fremontii David D. Keck; Palmer Stockwell 1935-5-15 3304 Los Angeles 1 mile west of Llano, western Mojave Desert between Victorville and Palmdale. Comment
  CAS-BOT-BC12472  Lepidium nitidum Marcus E. Jones 1882-2-27 3036 Los Angeles Pasadena. Comment
  CATA1597  Lepidium nitidum Mark L. Hoefs, Robert F. Thorne 1998-4-25 2866 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  SBBG13458  Lepidium nitidum E. R. Blakley 1962-6-9 5181 Los Angeles Triangulation Pt Thirst 598 Comment
  CAS-BOT-BC12983  Lepidium virginicum Ramsay Mar. 20 s.n. Los Angeles Foothills. Rubio Canyon. Comment
  SBBG89280  Lepidium virginicum J. Adams 1965-3-20 82 a Los Angeles Claremont, Thompson's Wash, N end of Indian Hill Blvd 426 Comment
  UCR266386  Lepidium virginicum D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4363 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  POM307811  Lepidium virginicum Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2749 Los Angeles North Craig Ave., Altadena Comment
  SEINET13711390  Lepidium virginicum J. Adams, J. Adams (Botany) 1965-1 82 A Los Angeles Claremont, N End Indian Hill Blvd, Thompson's Wash 1400 Ft 427 Comment
  UCR199964  Lepidium virginicum var. pubescens Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1157 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 457 Comment
  CAS-BOT-BC328065  Lepidospartum squamatum David D. Keck 1932-10-14 1948 Los Angeles Tujunga Wash, 4 mi E of Van Nuys on Van Owen Street Comment
  POM361765  Lepidospartum squamatum F. R. Fosberg 1931-1-7 7108 Los Angeles Sierra Madre. 300 Comment
  RSA336399  Lepidospartum squamatum R. F. Thorne, Dick Tilforth 1978-6-21 52333 Los Angeles San Gabriel Mountains: N of Bob's Gap Comment
  UCR54028  Leptochloa uninervia S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  UC674924  Leptodactylon californicum F. W. Pennell and Harvey Anderson 1940-4-30 25299 Los Angeles w Topanga (ridge road near Lookout Mts., Santa Monica Mountains); Santa Monica Mountains, near Lookout Mts. 731 Comment
  RSA0036175  Leptodactylon californicum Fay A. MacFadden 1931-3-26 8 E Los Angeles Tuna Canyon, Verduga Hills. Comment
  SEINET3361194 Image available Leptodactylon californicum subsp. glandulosum Roxana S. Ferris 1941-5-9 10322 Los Angeles In chaparral, Pico Canyon, Santa Susana Mountains, about 2 miles W of US Hwy 89 Comment
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Oct 1 2014
  RSA469967  Leptosiphon bicolor Blanche Trask 1901-03 3044 Los Angeles Avalon, Catalina Island. Comment
  RSA601910  Leptosiphon breviculus L. C. Wheeler 1964-6-20 8489 Los Angeles Mt. Waterman: south side. Comment
  UCR223456  Leptosiphon breviculus R. G. Swinney 2009-6-8 11099 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
  RSA600683  Leptosiphon parviflorus L. C. Wheeler 1936-6-6 4123 Los Angeles San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  UCR269973  Leptosyne bigelovii R. G. Swinney 2010-6-1 13115 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
  LA32100  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Henry J. Thompson 1959-6-4 14332 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CAS-BOT-BC339274  Lessingia glandulifera var. glandulifera Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  POM19145  Lessingia glandulifera var. glandulifera P. A. Munz 1923-5-27 6897 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  SDSU21098  Lessingia lemmonii var. lemmonii Ian Cain, Bruce Lund 2010-5-10 1408 Los Angeles North west of Lancaster. 3.33km north east of intersection of 170th Street West and Highway 138 790 Comment
  CAS-BOT-BC283746  Leymus condensatus Alice Eastwood 1917-7-20 6477 Los Angeles Santa Catalina Island Comment
  RSA522963  Leymus condensatus Timothy S. Ross 1991-2-23 4096 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  CAS-BOT-BC274470  Leymus triticoides Alice Eastwood 1906-5-27 160 Los Angeles San Pedro Comment
  RSA747397  Leymus triticoides R. G. Swinney 2008-6-9 8957 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA377137  Lilium humboldtii subsp. ocellatum Donald R. Bissing 1973-6-2 14 Los Angeles Evey Canyon, 0.6 mile from canyon mouth along roadside. 732 Comment
  RSA594656  Lilium humboldtii subsp. ocellatum Louis C. Wheeler 1967-7-30 10268 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  UCR192165  Linanthus aureus A. C. Sanders 2008-4-18 34977 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  UCR177529  Linanthus aureus subsp. aureus LeRoy Gross 2005-4-28 2113 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  IRVC26135  Linanthus breviculus B. C. Templeton 1932-7-21 5026 Los Angeles Big Pines Park, Angeles National Forest San Gabriel Mtns. 1982 Comment
  LA206672  Linanthus californicus W. R. Ernst; May 1977 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA468450  Linanthus californicus Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  RSA468447  Linanthus californicus subsp. glandulosus Anstruther Davidson 1893-05 s.n. Los Angeles Los Angeles. Comment
  RSA468454  Linanthus californicus subsp. glandulosus Marie Jensen 1931-7-10 s.n. Los Angeles Griffith Park. Comment
  RSA3112  Linanthus dianthiflorus C. B. Wolf 1932-3-4 s.n. Los Angeles Thompson Creek: S base of San Gabriel Mountains, 3-4 mi. N of Claremont. 457 Comment
  POM364564  Linanthus dianthiflorus subsp. dianthiflorus Blanche Trask 1901-03 H.- 3017 Los Angeles Catalina Island. Comment
  POM364560  Linanthus dianthiflorus subsp. dianthiflorus L. C. Wheeler 1932-3-4 458 Los Angeles 2 mi. north Claremont. 412 Comment
  UC106809  Linanthus parviflorus Brandegee Los Angeles Saugus Comment
  RSA19874  Linaria canadensis var. texana I. W. Clokey, Bonnie C. Templeton 1929-03 4505 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  POM1585  Lithophragma affine O. W. Robinson 1916-5-7 s.n. Los Angeles Johnson s Pastures, north of Claremont Comment
  UCR199960  Lithophragma affine subsp. mixtum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1154 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 396 Comment
  IRVC26632  Lithophragma affine subsp. mixtum Reid Moran 1941-3-6 682 Los Angeles Santa Catalina Island; Middle Ranch Canyon; N side of bank Channel Islands 300 Comment
  SEINET12219415  Lithophragma affine subsp. mixtum J. F. Bright 1934-1 9251 Los Angeles Santa Monica Coast Range Comment
  RSA660509  Lithophragma heterophyllum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 10 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  UC1408949  Lithophragma heterophyllum Donald R. Bissing 1973-4-6 38 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 725 Comment
  RSA702432  Lobelia dunnii var. serrata Scott D. White 2004-7-28 10658 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SD197680  Logfia filaginoides R. G. Swinney 2008-3-26 8564 Los Angeles San Gabriel Mountains: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Canyon. 353 Comment
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Apr 29 2011
  UCR270524  Logfia filaginoides R. G. Swinney 2010-4-13 12178 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
  SBBG32128  Logfia gallica R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -254 Los Angeles ridge between Sweetwater Cyn and Mt Orizaba Comment
  SBBG109043  Logfia gallica S. A. Junak 1996-5-30 SCl 550 Los Angeles SE of Twin Dams ca. 0.22 mi NW of Camera Pad Boulder 1 548 Comment
  RSA594589  Lolium perenne L. C. Wheeler 1967-5-7 9293 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  POM356977  Lolium temulentum Anstruther Davidson 1890-05 s.n. Los Angeles San Pedro Comment
  UCR237905  Lomatium dasycarpum Mark A. Elvin 2003-5-1 2497 Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  RSA452133  Lomatium lucidum C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA640242  Lomatium mohavense subsp. mohavense R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41592 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  POM320749  Lomatium mohavense subsp. mohavense Anonymous 1966-3-18 240 Los Angeles Palmdale, Lovejoy Buttes. 915 Comment
  SBBG59742  Lomatium utriculatum R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA452146  Lomatium vaginatum L. C. Wheeler 1934-4-15 2524 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  RSA97246  Lomatium vaginatum F. W. Peirson 1926-4-26 6647 Los Angeles Summit of Mint Canyon Grade, northwest part of San Gabriel Mts. Comment
  CAS-BOT-BC240745  Lonicera interrupta A. D. E. Elmer 1902-6-1 3694 Los Angeles Acton, Mt. Gleason Comment
  RSA0081367  Lotus argophyllus var. argophyllus R. G. Swinney 2011-7-21 15336 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA724425  Lotus corniculatus K. Dobry 1991-5-18 621 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  SFV11235  Lotus corniculatus D. K. Shayne 1966-3-9 102 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  UCR149908  Lotus crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA90352  Lotus crassifolius var. crassifolius F. W. Peirson 1905-7-14 4078 Los Angeles Bear Flat Comment
  RSA406451  Lotus dendroideus var. dendroideus George B. Grant 1904-6-17 s.n. Los Angeles Pasadena. Comment
  RSA406253  Lotus grandiflorus var. grandiflorus Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  RSA678126  Lotus hamatus Valerie L. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (ca. 100 feet below). 473 Comment
  POM1852  Lotus nevadensis var. davidsonii George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson. 1829 Comment
  UCR94479  Lotus procumbens var. procumbens Orlando Mistretta 1992-5-4 233 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Little Rock Creek, Alimony Ridge 1463 Comment
  RSA0084932  Lotus salsuginosus R. G. Swinney 2010-3-10 11814 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA702968  Lotus salsuginosus Scott D. White, Pam De Vries 2004-5-18 10406 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
  RSA657200  Lotus scoparius Joseph M. Keefe 2001-1-19 30978 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  RSA0064519  Lotus scoparius Ron Martinolich 1991-5-3 49 Los Angeles Glendale, Flint Peak access road., 0.5 mi. west of water tower, off road to southwest along old, overgrown road cut, 100 ft., at base of 10-25 ft. cliff. Comment
  RSA406847  Lotus scoparius Ronald Estes 1949-6-24 4239 a Los Angeles Los Padres National Forest. 457 Comment
  RSA406850  Lotus scoparius Elbert Benjamine, M. Rice 1929-1-13 8413 Los Angeles Sierra Madre. Comment
  RSA406854  Lotus scoparius A. Menke 1955-4-21 s.n. Los Angeles Faculty Hill, UCLA campus Comment
  UCR138542  Lotus strigosus L. C. Wheeler 1961-6-13 7885 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR213242  Lotus strigosus Dan S. Cooper 2010-3-29 20100312- 19 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA597041  Lotus strigosus T. S. Ross 1990-6-25 3841 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA598871  Lotus strigosus var. hirtellus Steve Boyd, T. S. Ross 1997-3-21 9248 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
  POM2472  Lotus unifoliolatus L. R. Abrams 1901-07 1993 Los Angeles Wilsons Peak. 1768 Comment
  RSA305984  Lunaria annua Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  UC1481363  Lupinus albifrons David B. Dunn April 1956 RSA- 6450 -7325 Los Angeles Comment
  RSA641294  Lupinus arbustus Orlando Mistretta, R. T. Hawke 1995-6-29 1857 Los Angeles San Gabriel Mountains: Blue Ridge Trail; south side of trail., Near 34 21 675 N 117 41 451 W. 2255 Comment
  CDA998  Lupinus benthamii D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  RSA0094369  Lupinus benthamii R. G. Swinney 2011-5-31 14921 A Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UC130326  Lupinus benthamii J. Burtt Davy 1896-5-20 2654 Los Angeles Elizabeth Lake Antelope Valley, Elizabeth Lake (Antelope Valley, S. California) Comment
  UCD107313  Lupinus bicolor A. C. Sanders; D. Malueg 1998-6-22 22042 Los Angeles San Gabriel Mountains. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCR186577  Lupinus bicolor A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32215 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  POM2418  Lupinus bicolor subsp. microphyllus C. F. Baker 1904-2-17 4007 Los Angeles Claremont. Comment
  SEINET10484891  Lupinus bicolor subsp. microphyllus David B. Dunn 1947-3-19 Dunn 2923 Los Angeles Westwood blvd. And leconteon campus. Dry vacant lot. Comment
  CAS-BOT-BC187854  Lupinus chamissonis Geo. B. Grant 1901-4-1 3821 Los Angeles Redondo Beach Comment
  RSA589118  Lupinus concinnus T. S. Ross 1992-4-4 6102 Los Angeles Big Rock Creek: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road. 1207 Comment
  RSA597007  Lupinus concinnus T. S. Ross 1990-6-25 3902 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 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
  RSA571657  Lupinus excubitus var. hallii Reid V. Moran 1941-3-13 704 Los Angeles By Creek, mouth of Hermit Gulch, Santa Catalina 50 Comment
  SEINET10485286  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x 6432 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  POM184668  Lupinus excubitus var. johnstonii Joseph A. Ewan 1932-5-29 7189 Los Angeles Summit of Mount Gleason 1829 Comment
  CHSC96056  Lupinus formosus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 699 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  SBBG98283  Lupinus formosus B. C. Templeton, I. W. Clokey 1930-4-8 1491 Los Angeles 1 mi N of Elizabeth Lake 256 Comment
  LA89126  Lupinus formosus var. bridgesii Dave Dunn; 1941-3-29 943 Los Angeles Claremont Golf Course by Foothill Blvd Comment
  RSA519396  Lupinus formosus var. formosus Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  RSA657453  Lupinus formosus var. formosus C. Schapiro 1979-5-27 20 Los Angeles Verdugo Mountains: On fire road at intersection of Linda Vista and Figueroa, North Glendale 762 Comment
  RSA640651  Lupinus guadalupensis Steven A. Junak 1997-2-25 SCI- 728 Los Angeles San Clemente Island: W side of island, just N of Camera Pad ''Bud 3'', near Benchmark 516. 159 Comment
  RSA703624  Lupinus hirsutissimus Tim Thibault, Ryan Gilmore 2004-4-29 238 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  RSA0085033  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UCR260365  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA225711  Lupinus longifolius R. F. Thorne 1971-5-22 39704 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA659048  Lupinus microcarpus var. microcarpus R. 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
  UCSB3331  Lupinus odoratus Wedberg, H. 1957-4-19 Los Angeles E Pearblossom on 138 Comment
  RSA777369  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2010-5-19 5135 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  SFV21652  Lupinus sparsiflorus J. N. Hogue 2010-5-1 s. n. Los Angeles San Gabriel Mountains Big Tujunga Canyon. Roadside near Wildwood. 580 Comment
  SFV21759  Lupinus sparsiflorus L. Gross 2001-4-1 378 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Low hill between La Tuna Canyon Road and Sunland Blvd. Entered at dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in Sun Valley, just west of mouth of McDonald Creek. 305 Comment
  UCR261388  Lupinus sparsiflorus R. G. Swinney 2010-2-27 11721 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
  RSA655988  Lupinus sparsiflorus subsp. sparsiflorus James Henrickson 1985-3-30 19772 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA624652  Lupinus sparsiflorus subsp. sparsiflorus L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  POM2616  Lupinus succulentus M. Hitchcock 1918-7-18 18 Los Angeles Van Nuys Comment
  UCD109592  Lupinus succulentus Michael Alvord 1993-3-14 3 Los Angeles West Hills, 30 m. S.E. from the corner of Saticoy St. and Platt Ave. Comment
  UCR126666  Lupinus truncatus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26211 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA611766  Lupinus truncatus L. C. Wheeler 1933-5-5 1700 Los Angeles San Gabriel Mountains: Fish Canyon 304 Comment
  UCR250327  Lycium brevipes var. hassei R. E. Riefner Jr. 2013-4-8 13- 175 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, c. 0.25 mi north from Paseo Del Mar along Palos Verdes Drive West 93 Comment
  CATA3257  Lycium californicum Julie L. King 2017-2-19 55 Los Angeles Santa Catalina Island: North side of road running along north side of Catalina Harbor, abuot 5 meters from road 12 Comment
  RSA661030  Lycium californicum Orlando Mistretta 1992-4-5 173 Los Angeles Guds, San Clemente Island. Comment
  SD112067  Lycium californicum Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Little Harbor Comment
  LA209691  Lycium cooperi A. M. Johnson; 1932-4-17 3989 Los Angeles 10 mi W of Palmdale Comment
  CHSC26516  Lyonothamnus floribundus subsp. asplenifolius James Henrickson 1971-6-20 5590 Los Angeles Cultivated at Rancho Santa Ana Botanic Garden in Claremont. Comment
  SD112022  Lyonothamnus floribundus subsp. aspleniifolius Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, on ridge 3 miles from Little Harbor Comment
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Nov 20 2012
  SD53039  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon 182 Comment
  POM158111  Lythrum californicum L. R. Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer Comment
  UCR259095  Lythrum californicum R. G. Swinney 2010-10-15 14058 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR217707  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38541 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UC729786  Madia exigua Carl B. Wolf 1932-5-11 Los Angeles w side Fourth of July Cove; Santa Catalina Island 30 Comment
  RSA770896  Madia gracilis R. F. Thorne 1965-5-10 34481 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SBBG50151  Madia gracilis R. N. Philbrick, R. F. Thorne 1967-5-20 B 67 -303 Los Angeles bottom of Descanso Cyn 243 Comment
  POM180177  Mahonia dictyota J. Ewan 1929-9-21 3488 Los Angeles Millardo Canyon. 1220 Comment
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Sep 16 2014
  RSA3153  Malacothamnus davidsonii Carl B. Wolf 1931-7-30 2296 Los Angeles 0.5 miles east of San Fernando 305 Comment
  SBBG118478  Malacothamnus davidsonii O. Mistretta 1992-7-14 723 Los Angeles Gold Cyn Trail; Tujunga Ranger District Comment
  CAS-BOT-BC206203  Malacothamnus fasciculatus L. R. Abrams; I. L. Wiggins 1931-7-4 337 Los Angeles White's Landing, Santa Catalina Island Comment
  UC483367  Malacothamnus fasciculatus L. R. Abrams and I. L. Wiggins 1931-7-4 337 Los Angeles Santa Catalina Island, Whites Landing Comment
  RSA131251  Malacothamnus fremontii Percy C. Everett, E. K. Balls 1959-5-22 23806 Los Angeles Big Rock Creek, from Valyermo. 1220 Comment
  POM9683  Malacothamnus fremontii F. W. Peirson 1918-6-15 2672 Los Angeles Upper Mint Canon. [canyon] Comment
  CAS-BOT-BC204197  Malacothamnus marrubioides Carl B. Wolf 1941-8-2 11133 Los Angeles Liebre Mts., Ridge Route Rd. S. Frenchman Flat Forest Service Camp 762 Comment
  UCR18012  Malacothrix californica A. C. Sanders 1976-5-9 00152 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  CAS-BOT-BC345326  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Tehachapi Mountains. Oso Canyon, about 0.5 mile above Oso Corral 975 Comment
  RSA60284  Malacothrix californica E. K. Balls, Lee W. Lenz 1950-3-28 14471 Los Angeles 1 mile east of Quail Lake, Antelope Valley. 1067 Comment
  UCR269138  Malacothrix clevelandii Orlando Mistretta, Christine Mistretta 2011-7-1 5881 Los Angeles San Gabriel Mountains, North Fork Mill Creek, along forest Road 3N27 1524 Comment
  UC33277  Malacothrix coulteri Dr. A. Davidson May 1895 Los Angeles Antelope Valley Comment
  IRVC28725  Malacothrix saxatilis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25512 Los Angeles Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area NE end of Santa Susana Mtns. 366 Comment
  CAS-BOT-BC347924  Malacothrix saxatilis var. tenuifolia Louis Wheeler 1932-10-7 1424 Los Angeles U.C.L.A. Campus, W Los Angeles 137 Comment
  RSA233727  Malacothrix saxatilis var. tenuifolia R. F. Thorne, C. W. Tilforth 1971-6-17 39978 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  SBBG66181  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1927-7-16 Los Angeles Ridge Route (US Hwy 99) Comment
  SFV1130  Malephora crocea K. A. Wilson 1961-3-12 1001 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  POM126439  Malosma laurina R. L. Pendleton 1909-7-7 s.n. Los Angeles Moonstone Beach, Santa Catalina Island. 6 Comment
  RSA660203  Malosma laurina Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 10 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  UC1130495  Malosma laurina A. D. Gifford 1934-5-15 237 Los Angeles w. side Trancas Canyon (near Plot 102); Triunfo Pass Quadrangle Comment
  SBBG128114  Malva assurgentiflora M. L. Hoefs, J. Phelps 1995-6-20 2282 Los Angeles Bird Rock, islet near Isthmus Cove 9 Comment
  RSA0073368  Malva parviflora R. G. Swinney 2010-3-16 11963 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA188258  Malva parviflora Robert F. Thorne 1966-4-29 36294 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 198 Comment
  RSA649000  Malva parviflora Scott Lowe 1991-4-20 8 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA657642  Malva parviflora Kristina Sargeant 1992-4-4 92 -5 Los Angeles Flat lot on north side of Tetley St. approx. 200 ft east of intersection of Hacienda Blvd. and Tetley St. in Hacienda Heights. Comment
  UCR255478  Malva pseudolavatera Dan S. Cooper 2014-6-26 614- 40 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  PASA1777  Malvastrum exile Frank W. Peirson 1923-5-27 Los Angeles Pallett Creek, San Gabriel Mts. 1097 Comment
  CATA1335  Malvella leprosa Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2437 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  RSA595944  Malvella leprosa Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8880 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  POM177972  Marah macrocarpa J. Ewan 1931-3-3 s.n. Los Angeles Moist bank in shade of sedges. East Fork Sepulveda Canyon. Comment
  UC1408996  Marah macrocarpa Robert F. Thorne 1973-4-12 42921 Los Angeles Horse Cove, s end of island San Clemente Island 6 Comment
  UC557758  Marah macrocarpa Nell Murbarger May, 1936 240 Los Angeles San Clemente Island Comment
  RSA652412  Marah macrocarpa var. macrocarpa C. R. Parks 1963-9-11 105 Los Angeles Along steep, north slope on upper trail of Winter Creek, above Chantry Flats in Santa Anita Canyon, southern face of San Gabriel Mountains, c. 5 miles north of Arcadia. 1159 Comment
  RSA657364  Marrubium vulgare Joseph M. Keefe 2001-1-19 30953 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  SBBG131671  Matricaria discoidea S. A. Junak 1999-5-20 SCa 949 Los Angeles Cottonwood-Black Jack Rd, near small creekbed, at bird sample point 36 289 Comment
  POM266319  Matricaria matricarioides J. C. Roos 1942-3-23 1089 Los Angeles Zonal St. Comment
  POM348014  Medicago lupulina Anstruther Davidson 1917-05 3187 Los Angeles Los Angeles. Comment
  HSC1856  Medicago polymorpha C. S. Apperson 1967-6-26 Los Angeles Newhall Ranger Station Comment
  RSA13778  Medicago polymorpha Louis C. Wheeler 1934-2-2 2368 Los Angeles Elysian Park, Los Angeles. 122 Comment
  UCR162587  Medicago sativa Anuja Parikh, Nathan Gale 2004-6-22 2070 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  CAS-BOT-BC281524  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  POM263184  Melica imperfecta J. C. Roos 1937-3-25 442 Los Angeles 12 miles west of Lancaster Comment
  RSA0085315  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA484153  Melica imperfecta N. C. Cooper 1945-5-1 2226 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA703543  Melica imperfecta Michael Honer 2004-6-22 1990 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UCD87882  Melica imperfecta Daryl Koutnik 1978-4-28 430 Los Angeles Along fireroad north of Mulholland Hwy and northwest of Saddle Rock. 609 Comment
  UCR213458  Melica imperfecta A. C. Sanders, Karen Kirtland 2010-5-14 38354 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UC56939  Melilotus albus Ernest Braunton 1902-6-30 500 Los Angeles Gardena Comment
  RSA550723  Melilotus albus Tim S. Ross, Annette Ross 1991-7-29 5681 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA653885  Melilotus indicus Valerie L. Soza, S. D. Boyd 2000-4-26 793 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  LA200495  Melilotus indicus Norman A. Cole; May 1964 323 b Los Angeles 518 Comment
  LA33782  Mentha X piperita Peter H. Raven; Henry J. Thompson 1959-10-25 14711 Los Angeles 91 Comment
  RSA409916  Mentha spicata Anstruther Davidson 1896-07 s.n. Los Angeles Glendale. Comment
  RSA682501  Mentha villosa Scott D. White 2003-7-31 9718 Los Angeles San Gabriel Mtn foothills: Tujunga area. Big Tujunga Wash south of the I-210 freeway. S terminus of Christy Ave. 329 Comment
  UCSB4251  Mentzelia albicaulis Ralph, F. 1960-4-1 Los Angeles N side of Calif. HWY 138, 9.0 miles E of its jct with road to Valyermo & Big Pines E of Pearblossom and 0.6 miles W of jct of road to Victorville. Mohave Desert Comment
  RSA0012412  Mentzelia montana Orlando Mistretta, Christine Mistretta 2011-6-16 5695 Los Angeles Northern edge of San Gabriel Mountains, Along Southern California Edison transmission line corridor, 1.2 air miles SW of Vincent substation. 1137 Comment
  UCR178076  Mentzelia montana LeRoy Gross, B. Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 933 Los Angeles Transverse Ranges; San Gabriel Mountains, Southwest ridge that climbs to Mt. Markham, between Mt. Markham and the Mt. Lowe dirt road (2N50.1) 1677 Comment
  CAS-BOT-BC167612  Mentzelia veatchiana John Thomas Howell 1930-5-12 4872 Los Angeles 1 mile north of Acton Comment
  CAS-BOT-BC167618  Mentzelia veatchiana Le Roy Abrams 1901-4-1 1202 Los Angeles Ballona Harbor Comment
  RSA0047740  Mentzelia veatchiana A. C. Sanders, Plant Taxonomy Class 2014-4-12 41010 Los Angeles NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  RSA679835  Mentzelia veatchiana LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 892 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UC872432  Mentzelia veatchiana I. W. Clokey, B. C. Templeton 1930-4-8 4657 Los Angeles w Lancaster 400 Comment
  POM123142  Mesembryanthemum crystallinum Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  CAS-BOT-BC428714  Micranthes californica Geo. B. Grant 1902-1-1 3504 Los Angeles Pasadena, Campbell Johnson Ranch Comment
  RSA617406  Micropus californicus Scott D. White 1998-5-19 6527 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  CAS-BOT-BC348919  Microseris douglasii subsp. douglasii Kenton L. Chambers 1954-4-26 497 Los Angeles Ventura Blvd., (Hwy. 101), Russell Valley, ca. 3 mi. e. of Thousand Oaks Comment
  RSA188286  Microseris heterocarpa R. F. Thorne 1966-6-2 36511 Los Angeles Santa Catalina Island. Near upper end of road leading to White's Landing 396 Comment
  UCR274099  Microseris heterocarpa Steven A. Junak 1999-4-23 SCa- 853 Los Angeles California Islands, Santa Catalina Island. Plant stop 348 Comment
  POM6705  Microseris lindleyi L. T. Street, G. Williams 1919-4-5 2427 Los Angeles Puddingstone Canyon, San Dimas Comment
  RSA587404  Microseris lindleyi Orlando Mistretta 1995-4-4 1594 Los Angeles Drainage west of Little Rock Creek Reservoir 1021 Comment
  RSA618589  Microseris lindleyi L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  RSA600345  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-26 9385 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1311 Comment
  UCR259981  Mimulus R. G. Swinney 2010-5-11 12642 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  LA51919  Mimulus aurantiacus Leo Boyd; 1953-3-25 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA439235  Mimulus aurantiacus Jon Nickoloff 1973-5-2 730502 -4 Los Angeles N-facing slope, Mt. Wilson Trail; Siera Madre. 305 Comment
  RSA442635  Mimulus aurantiacus N. C. Cooper 1949-6-18 4216 Los Angeles Angeles Crest Highway. 610 Comment
  UCR280686  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-27 16674 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  POM243750  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-1 S- 4434 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 60 Comment
  SFV22152  Mimulus aurantiacus var. puniceus K. R. Rivas 2012-4-6 s. n. Los Angeles Santa Susana Mountains Limekiln Canyon. 350 Comment
  UCR280854  Mimulus bigelovii R. G. Swinney 2014-4-23 16168 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
  RSA408160  Mimulus brevipes Anstruther Davidson 1889-08 1881 Los Angeles Newhall. Comment
  RSA80123  Mimulus brevipes F. W. Peirson 1923-5-21 195 Los Angeles Fish Canyon, San Bernardino Mountains 686 Comment
  RSA420658  Mimulus cardinalis M. B. Dunkle 1930-7-13 2433 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  RSA659874  Mimulus cardinalis Orlando Mistretta 1992-8-20 779 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  RSA756148  Mimulus cardinalis R. G. Swinney 2008-7-13 9184 Los Angeles San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  SBBG31099  Mimulus floribundus R. F. Thorne, M. Z. Thorne 1966-4-30 36414 Los Angeles Fern Cyn, W of Orizaba Mtn 228 Comment
  UC446433  Mimulus floribundus C. F. Baker 1903-8-2 36448 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR178624  Mimulus floribundus R. G. Swinney 1989-6-25 s.n. Los Angeles Eastern San Gabriel Mtns, in and near Glendora Wilderness Park; in Little Dalton Debris Basin 366 Comment
  RSA535569  Mimulus fremontii var. fremontii David M. Thompson 1988-4-9 870 Los Angeles N side of San Gabriel Mountains. 3.2 miles S of Hwy 138 along Largo Vista Road (204th Street; Grandview Canyon Road). 1280 Comment
  UCR258605  Mimulus guttatus R. G. Swinney 2010-8-26 13606 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA80448  Mimulus guttatus F. W. Peirson 1922-5-30 3073 Los Angeles Millard's Canyon, San Gabriel Mountains 991 Comment
  JEPS4691  Mimulus johnstonii F. W. Peirson 1918-6-30 196 Los Angeles summit Mt. Wilson; San Gabriel Mts. 1737 Comment
  RSA435507  Mimulus moschatus Bonnie C. Templeton 1932-7-20 5004 Los Angeles Big Pines Park. 2092 Comment
  UCR16908  Mimulus palmeri T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest: Sulfur Springs. S fork of Little Rock Creek 1677 Comment
  UCR238640  Mimulus palmeri Anuja Parikh, Nathan Gale 2010-6-18 3341 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  JEPS10610  Mimulus pilosus Frank W. Peirson 1918-10-16 269 Los Angeles Pacoima Canyon San Gabriel Mountains 548 Comment
  UCR179486  Mimulus pilosus R. G. Swinney, Dave Larson 1996-8-7 5234 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, northern 2/3 of west half of Brown's Flat 1305 Comment
  CAS-BOT-BC173169  Minuartia douglasii Tim Ross 1992-5-8 6293 Los Angeles San Gabriel Mtns: San Antonio Canyon; upper N side of Hog Back 1182 Comment
  RSA778872  Minuartia douglasii Orlando Mistretta, Christine Mistretta 2010-6-1 5227 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  RSA0041776  Mirabilis californica Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2811 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  UCR219564  Mirabilis laevis R. G. Swinney 2009-3-28 10207 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCR276917  Mirabilis laevis R. G. Swinney 2011-3-29 14279 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA523167  Mirabilis laevis Tim S. Ross 1991-2-23 4103 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  CHSC99841  Mirabilis laevis var. crassifolia LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Souza 2003-2-10 709 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. Collected on southwest facing slope. 576 Comment
  RSA279070  Mirabilis laevis var. crassifolia C. W. Tilforth 1971-4-9 41536 Los Angeles Angeles National Forest: or near entrance thereto and below entrance to wooded area of San Dimas Canyon near San Dimas Creek 381 Comment
  SD30969  Mirabilis laevis var. crassifolia Edith A. Purer 1931-3-12 974 Los Angeles Palos Verdes Hills. Comment
  RSA464240  Mirabilis laevis var. retrorsa N. C. Cooper 1943-11-20 977 Los Angeles Lancaster. Mojave Desert 762 Comment
  CAS-BOT-BC219891  Monardella breweri subsp. breweri John Thomas Howell 1928-6-10 3878 Los Angeles Near Deer Park, Monrovia Canon [Canyon], San Gabriel Mts. Comment
  CAS-BOT-BC219990  Monardella breweri subsp. lanceolata Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Doe Flat; Graveyard Canyon Comment
  LA62776  Monardella exilis Carl Epling; 1937-6-16 sn Los Angeles 2.2 mi. E of Highway on Ave. I, Lancaster Comment
  RSA408586  Monardella lanceolata var. lanceolata Adele G. Axtman 1931-7-5 s.n. Los Angeles Base of foothills, Verdugo Hills. Comment
  RSA729512  Monardella linoides R. G. Swinney 1999-7-5 7540 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA0003928  Monardella saxicola I. M. Johnston 1918-9-1 2133 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  POM363551  Monolopia lanceolata Anstruther Davidson 1893-5-1 s.n. Los Angeles San Fernando Comment
  RSA783075  Monolopia lanceolata Pam De Vries 2011-4-27 7773 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains. Off Blue Cloud Road, about 0.65 air miles NNW of the intersection of Blue Cloud Road and Bouquet Canyon Road., (1.2 air miles west of Vasquez Canyon Road and Bouquet Canyon Road). 486 Comment
  SBBG61100  Monolopia lanceolata R. Hoffmann 1925-4-19 Los Angeles E end of Bouquet Cyn Comment
  UC1484362  Monolopia lanceolata Dale E. Johnson with J. L. Strother 1974-4-24 92 Los Angeles 12.8 km (8 mi) e of I-5 (Lebec-Castaic Highway) on n side Antelope Valley Road; w Antelope Valley Comment
  RSA92634  Monolopia lanceolata F. W. Peirson 1919-3-30 526 Los Angeles on low hill near entrance to Tujunga Canyon 396 Comment
  UCR205945  Morus alba A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37073 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA0087307  Muhlenbergia californica R. G. Swinney 2010-9-13 13839 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  CAS-BOT-BC275285  Muhlenbergia microsperma Carl Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  SD185091  Muhlenbergia microsperma A. C. Sanders, Lee Jones 2005-4-8 29325 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
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Apr 28 2016
  UCSB426  Muhlenbergia microsperma B., K. 1943-5-11 Los Angeles Woods trail from Dalton CCC Camp; San Dimas Experimental Forest, San Gabriel Mountains 396 Comment
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Apr 26 2018
  RSA0036046  Muhlenbergia rigens R. G. Swinney 2009-11-16 11635 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA716516  Muilla maritima Scott D. White, Pam DeVries 2006-5-10 11445 Los Angeles Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SBBG42161  Munzothamnus blairii M. B. Dunkle 1939-11-24 7353 Los Angeles SE rim above Mosquito Harbor Comment
  SBBG96969  Munzothamnus blairii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4313 Los Angeles near Malo Pt, first cyn S of Bryce Cyn, below Malo Benchmark Comment
  SD124876  Myoporum laetum A. C. Sanders 1986-7-30 6819 Los Angeles El Segundo Dunes, immediately west of L. A. International Airport and Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  RSA618688  Myriophyllum aquaticum LeRoy Gross 1998-9-20 78 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  SBBG44365  Nama demissa G. Sphon, D. Hearn 1956-5-30 4 Los Angeles Black Butte Comment
  RSA0073584  Nama demissa var. demissa Orlando Mistretta, Christine Mistretta 2003-4-30 1980 Los Angeles Saddleback Butte State Park. 824 Comment
  CAS-BOT-BC259922  Nassella lepida Mrs. Jos. Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  LA9447  Nassella lepida Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG130705  Nassella lepida S. A. Junak 2000-5-6 SCa 1286 Los Angeles above Empire Landing Quarry site 204 Comment
  SBBG108418  Nassella pulchra T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8587 Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt 256 Comment
  RSA774593  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-10 5295 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  SEINET10939176  Nemacladus ramosissimus Philip A. Munz 1925-5-23 Munz 9435 Los Angeles Burn in San Gabriel Canyon 488 Comment
  UCR190768  Nemacladus sigmoideus R. G. Swinney 2001-5-18 7942 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR193675  Nemacladus sigmoideus R. G. Swinney 1999-6-28 7438 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR238644  Nemophila menziesii var. integrifolia Anuja Parikh, Nathan Gale 2010-6-18 3336 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 1.2 km north of State Hwy 2 (Angeles Crest Hwy) 0.4 km west of Upper Big Tujunga Canyon Road 1220 Comment
  RSA421311  Nemophila menziesii var. menziesii E. Crow 1928-2-29 248 Los Angeles Thompson s Creek, Hills N of Claremont. Comment
  RSA0081131  Nemophila spatulata R. G. Swinney 2010-6-1 13102 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
  LA52040  Neogaerrhinum kelloggii Carl Epling; 1926-2-21 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA681266  Nerium oleander Scott D. White 2003-6-2 9442 Los Angeles City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR84572  Nicolletia occidentalis T. S. Ross, J. M. Park 1994-5-1 7613 b Los Angeles SW Mojave Desert, c. 3950 m NNE of Moody Springs and 2620 m west of the Los Ang./ San Bernardino County Line 875 Comment
  CLARK-A1528-5113  Nicotiana glauca John C. Roos 1942-9-20 1746 Los Angeles West Los Angeles Comment
  POM4063  Nicotiana glauca J. F. Illingworth 1898-04 67 Los Angeles Claremont. 366 Comment
  SBBG53168  Nuttallanthus texanus S. A. Junak 1978-4-15 SCa 4 Los Angeles S side of upper Cherry Valley Comment
  UC20406  Oenothera californica subsp. californica H. M. Hall 1896-8-7 296 Los Angeles Schwartout Canyon San Antonio Mountains (summit) 2042 Comment
  RSA125209  Oenothera californica subsp. californica P. A. Munz 1957-5-15 22578 Los Angeles 14 mi. E of Lancaster. Comment
  POM355622  Oenothera elata subsp. hirsutissima E. S. Spalding 1923-10-11 s.n. Los Angeles Near Dahlia farm, La Canada road Comment
  RSA188556  Oenothera elata subsp. hirsutissima Robert F. Thorne, John Olmsted 1965-8-26 35415 Los Angeles Angeles National Forest, thickety area near Prairie Fork 1616 Comment
  LA202439  Oenothera speciosa Arthur C. Gibson; 2006-8-9 5107 Los Angeles Comment
  RSA187760  Oligomeris linifolia Robert F. Thorne 1966-4-4 35753 Los Angeles Santa Catalina Island. SW-facing bluff SE of Ballast Point and Catalina Harbor, Isthmus 91 Comment
  RSA0076323  Opuntia basilaris var. basilaris G. D. Wallace 1964-4-26 s.n. Los Angeles Pinon Flats. Comment
  SEINET9037781 Image available Opuntia ficus-indica M. A. Baker, Michelle Cloud-Hughes 2015-1 18409 Los Angeles Claremont, 100m south of the SE base of Indian Hill 409 Comment
  SBBG121994  Orcuttia californica A. Parikh, N. Gale 2003-6-16 761 Los Angeles central part of Cruzan Mesa, 2.7 km W of Sierra Hwy, 0.9 km SW of Vasquez Cyn Rd 655 Comment
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Apr 9 2009
  UCR190084  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  CAS-BOT-BC499738  Orobanche californica subsp. feudgei Le Roy Abrams; E. A. McGregor 1908-7-5 654 Los Angeles Swartout Canyon, Desert slopes of the San Gabriel Mountains, 5 mi N of San Antonio Peak 1828 Comment
  RSA278881  Orobanche valida subsp. valida W. P. Armstrong 1979-7-12 s.n. Los Angeles Trail up S Fork of Big Rock Creek, approximately 2.4 km southwest of South Fork Campground. 1707 Comment
  RSA0059345  Orobanche vallicola Lyman Benson 1945-11-5 11910 Los Angeles Claremont. 351 Comment
  POM295573  Osmorhiza brachypoda Lyman Benson 1945-6-5 11753 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  SD92944  Osmorhiza brachypoda W. Bertsch 1953-4-21 90 Los Angeles Little Dalton Canyon. 365 Comment
  UC1400353  Osmorhiza brachypoda Donald R. Bissing 1973-6-2 168 Los Angeles Evey Canyon San Gabriel Mountains (ne side, 1.3 mi from canyon mouth) 975 Comment
  RSA592396  Oxalis albicans subsp. californica Mark Hoefs 1974-5-1 441 Los Angeles Santa Catalina Island: NW side of Renton Mine Road. 137 Comment
  CDA43232  Oxalis pes-caprae Michael O Brien 2009-2-1 s.n. Los Angeles La Piedra State Beach. 0 Comment
  SBBG131884  Oxalis pes-caprae S. A. Junak, D. Wilken 1996-3-26 SCI 253 Los Angeles top of bluffs along N side of Lemon Tank Cyn 323 Comment
  RSA250358  Oxytheca caryophylloides Robert F. Thorne, C. W. Tilforth, J. Dourly, R. Scoggin 1972-8-11 41127 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  SD90405  Oxytheca caryophylloides R. F. Thorne, C. W. tilforth, J. Dourley, R. Scoggin 1972-8-11 42211 Los Angeles San Gabriel Mts., Angeles National Forest: just below peak of Mt. Waterman 2438 Comment
  UC205918  Oxytheca caryophylloides I. Johnston 1917-6-10 1259 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mts. 2042 Comment
  UCR192662  Oxytheca parishii R. G. Swinney 1999-8-16 7636 Los Angeles San Gabriel Mtns., Grandview Canyon, c. 100 m north of Big Pines Highway at All Nations Camp 1695 Comment
  RSA680107  Packera ionophylla LeRoy Gross, Michael Denslow 2003-6-4 987 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  RSA434245  Paeonia californica T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UCR199856  Paeonia californica LeRoy Gross, Naomi Fraga 2006-1-20 2443 Los Angeles Transverse Ranges, Verdugo Mountains, north end of the San Rafael Hills, along the main crest, north of Lookout Tower, near the Cerro Negro Trail 503 Comment
  CAS-BOT-BC121158  Paeonia californica De-yuan Hong; K. Y. Pan; J. Z. Qiu 2005-5-22 H 05012 Los Angeles Angeles National Forest 900 Comment
  UC9344  Paeonia californica G. Survey 1861-2-14 188 Los Angeles Sierra Sta. Monica Comment
  UCSB2022  Paeonia californica McElwain, Isabelle 1953-3-8 Los Angeles 1/4 mile north of 18000 Bull Canyon Rd., Granada Hills Comment
  LA32242  Papaver californicum Henry J. Thompson; 1959-5-24 2002 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  RSA151245  Parapholis incurva P. H. Raven 1962-4-10 17187 Los Angeles Above Wilson Cove; San Clemente Island 107 Comment
  CAS-BOT-BC413408  Parietaria hespera var. hespera Le Roy Abrams 1901-4-5 1349 Los Angeles San Fernando Mts., Chatsworth Park 457 Comment
  RSA714986  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  RSA722082  Parietaria judaica R. E. Riefner 2007-3-10 7 -108 Los Angeles City of San Pedro, Cabrillo Beach Marina, Whalers Walk St. at Via Cabrillo Marina Dr., Berth 28. 3 Comment
  SEINET10682089  Passiflora biflora S. Krosnick 2008-7-27 Krosnick 434 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #115B in Honduras Comment
  CHSC106737  Passiflora caerulea R. E. Riefner Jr. 2007-4-15 07 -180 Los Angeles Harbor City, Harbor Regional Park and Lake, Bixby Slough, Vermont Ave./Pacific Coast Hwy. UTM: (NAD 83) 11S0380774E 378961N. 14 Comment
  SEINET3860013  Pectocarya linearis R. G. Swinney 2009-4-24 10459 A Los Angeles Transverse Ranges: San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campgroudn.; 0 915 Comment
  RSA250635  Pectocarya linearis subsp. ferocula R. F. Thorne 1971-4-2 41413 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  SBBG4546  Pectocarya linearis subsp. ferocula S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 489 Los Angeles W side of Cape Cyn, S of Black Jack Pk 475 Comment
  SEINET6973501  Pectocarya penicillata W. P. Vestal, A. G. Vestal 1955-3-26 s.n. Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  UCR177234  Pectocarya platycarpa T. S. Ross 1991-4-28 4769 Los Angeles Mojave Desert; West Mojave Desert region, Adobe Mountain: southwesterly extension of the mountain 927 Comment
  SBBG63496  Pectocarya setosa R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SD186143  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 395 Comment
  JEPS10348  Pedicularis densiflora Frank W. Peirson 1921-4-21 2363 Los Angeles Sycamore Flat Ridge, n slope- San Dimas Region Sycamore Flat Ridge; San Dimas Region, San Gabriel Mountains 853 Comment
  SEINET3124782 Image available Pellaea andromedifolia C. F. Shutts 1949-2-14 4 Los Angeles Little Dalton Canyon. 430 Comment
  UCR270087  Pellaea andromedifolia R. G. Swinney 2011-4-9 14378 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA674315  Pellaea mucronata subsp. mucronata LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 708 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 622 Comment
  SD186005  Pennisetum setaceum A. C. Sanders 2003-3-14 25757 Los Angeles San Gabriel Valley; gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd. 157 Comment
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Apr 28 2009
  UCR252874  Pennisetum setaceum R. G. Swinney 2010-3-10 11804 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  NY583779  Penstemon centranthifolius L. Abrams 1902-6-29 2593 Los Angeles Summit of Mount Wilson Comment
  RSA412443A  Penstemon centranthifolius Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  JEPS26475  Penstemon centranthifolius Peter H. Raven, Henry J. Thompson 1960-4-12 15038 Los Angeles junction of Latigo Canyon Road with Mulholland Highway; Santa Monica Mountains, jct Latigo Canyon Rd w/Muholland 518 Comment
  SBBG54561  Penstemon centranthifolius F. W. Pennell 1940-4-19 25142 Los Angeles ca. 2 mi S of Castaic Comment
  UCR209991  Penstemon grinnellii R. G. Swinney 2008-7-16 9250 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR78114  Penstemon grinnellii Wandalee Thompson 1964-6-16 50 Los Angeles San Gabriel Mtns., Liebre Mountains, Pine Canyon Road, N-2, near foot of Liebre Mtn. c. 10 mi. west of Lake Elizabeth 1128 Comment
  CDA41872  Penstemon grinnellii subsp. grinnellii T. C. Fuller 1980-6-12 20277 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 8.5 km east of road to Mt. Wilson. Comment
  RSA408047  Penstemon grinnellii subsp. grinnellii Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  RSA408050  Penstemon grinnellii subsp. grinnellii M. V. Hood 1939-5-29 s.n. Los Angeles Along road to Charlton Flats, San Gabriel Mountains. 1524 Comment
  JEPS13629  Penstemon grinnellii var. grinnellii Peter Kamb 1947-6-1 550 Los Angeles n slope Mt. Disappointment San Gabriel Mts. 1524 Comment
  NY601187  Penstemon grinnellii var. grinnellii T. S. Ross 1990-5-17 2595 Los Angeles San Gabriel Mountains: Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1612.4 Comment
  OBI30458  Penstemon heterophyllus J. C. Roos 1947-5-17 3632 Los Angeles Placerita Cyn Comment
  RSA0014871  Penstemon rostriflorus Bonnie C. Templeton 1936-7-30 5353 Los Angeles Big Rock Creek, Big Pines Park. 1463 Comment
  RSA701153  Penstemon rostriflorus Valerie L. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 s.n. Los Angeles Along Sunset Ridge Fire Road 2N07.1, NW side of Sunset Peak. Comment
  UC63387  Pentachaeta aurea Ernest Braunton Apr. 1902 212 Los Angeles North Pomona Comment
  VVC3121  Pentachaeta lyonii Tim Thomas 1979-5-14 256 Los Angeles Santa Monica Mountains, Stunt Ranch; small mdw 75 m NE from end of paved driveway. 380 Comment
  SFV75  Pentagramma triangularis K. A. Wilson, D. E. Bianchi 1961-2-2 821 Los Angeles San Gabriel Mountains Placerita Canyon, Placerita Road. Small, shaded gully 2 miles east of Route 6. 490 Comment
  RSA0066312  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-14 2506 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1024 Comment
  RSA0070822  Pentagramma triangularis T. S. Ross, Steve Boyd 1991-3-23 4255 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, +/- west of Lovejoy Springs (destroyed by development). 926 Comment
  RSA0070825  Pentagramma triangularis T. G. Bergesch 1896-05 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC71669  Pentagramma triangularis subsp. triangularis Henry J. Thompson 1959-3-31 1915 Los Angeles 2 miles southwest of Seminole Hot Springs about 2 miles southwest of Cornell 396 Comment
  LA91502  Pentagramma triangularis subsp. triangularis Bruce Douglas Clayton; 1972-4-20 102 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  LA94183  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1673 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  UC223681  Pentagramma triangularis subsp. triangularis C. F. Millspaugh 1920-1-10 4566 Los Angeles Wishbone; Santa Catalina Isl Comment
  LA3435  Pentagramma triangularis subsp. triangularis Carl Epling; 1925-1-1 6216 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCSB18158  Pentagramma triangularis subsp. triangularis Day, Fran 1964-4-25 Los Angeles U.S. Highway 99, 16 miles S of Gorman 670 Comment
  UCSB62239  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-11-12 Los Angeles San Gabriel Mtns., Iron Fk. of the E. Fk. of the San Gabriel River, ca. 1 mi. up from confluence with So. Fk. 1341 Comment
  SEINET5777425 Image available Pentagramma triangularis subsp. viscosa Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  UC21238  Perideridia pringlei Dr. A. Davidson June, 1895 Los Angeles Harold Comment
  RSA0115842  Perityle emoryi Steven A. Junak 1999-7-15 SCa- 1026 Los Angeles Santa Catalina Island. On Salta Verde Beach, just E of S-facing bluffs/rock face. 6 Comment
  RSA445156  Petalonyx thurberi subsp. thurberi W. Hutchinson 1923-5-1 s.n. Los Angeles Mint Canyon. Comment
  UC1121711  Petalonyx thurberi subsp. thurberi P. L. Johannsen 1934-2-23 303 Los Angeles Mouth Dry & Boquet Canyons Santa Susana Quad., Mouth Dry & Boquet Canyons Comment
  RSA42305  Phacelia austromontana Lincoln Constance 1941-6-25 2855 Los Angeles North side of Vincent Gulch 2134 Comment
  RSA0003807  Phacelia austromontana F. W. Peirson 1928-6-2 7940 Los Angeles San Gabriel Mts., Trail up South Fork of Rock Creek 1829 Comment
  LA200562  Phacelia brachyloba O. H. Kappler; 1944-4-23 592 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  RSA210958  Phacelia brachyloba James Henrickson 1963-5-5 32326 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts. 518 Comment
  UCR252896  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  LA38551  Phacelia cicutaria var. hispida Mary Reynolds; 1937-5-2 161 Los Angeles 220 Comment
  POM123377  Phacelia cicutaria var. hispida Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  POM6740  Phacelia cicutaria var. hispida P. A. Munz, Street, Williams 1919-4-19 2482 Los Angeles Lone Hill, San Dimas. Comment
  RSA703620  Phacelia cicutaria var. hispida Tim Thibault, Ryan Gilmore 2004-4-29 240 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  RSA74168  Phacelia ciliata F. W. Peirson 1903-2-14 967 Los Angeles Road to Pasadena from Los Angeles. Comment
  RSA704349  Phacelia curvipes Gary D. Wallace 1982-4-17 1918 Los Angeles Bob's Gap. Comment
  POM145306  Phacelia curvipes J. B. Feudge 1925-5-25 1217 Los Angeles Big Pines 2088 Comment
  RSA580691  Phacelia davidsonii Tim S. Ross, Steve D. Boyd 1994-5-25 7879 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  SEINET3860284  Phacelia distans R. G. Swinney 2009-4-2 10258 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert: Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road.; 0 1223 Comment
  UCR95446  Phacelia distans L. C. Wheeler 1967-5-12 9489 Los Angeles San Gabriel Mtns., Ravine south of summit 4174, east of Vincent 1250 Comment
  RSA191113  Phacelia distans Robert F. Thorne 1967-6-25 37119 Los Angeles Chantry Flats, N of Sierra Madre, Arroyo Seco Section, Angeles National Forest. 762 Comment
  UC483322  Phacelia douglasii Helen D. Geis Jan 1909 Los Angeles sand-dunes Redondo Comment
  HSC24300  Phacelia fremontii Nels Rinden 1971-5-2 32 Los Angeles 6 mi. NW of Phelan on Hwy. 138 in Mojave Desert 1280 Comment
  RSA426162  Phacelia fremontii G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  SD252350  Phacelia grandiflora Steven A. Junak 2000-5-18 Sca 1290 Los Angeles Santa Catalina Island: Above Goat Harbor, in area burned last year (July 1999); on coastal N-facing slope. 356 Comment
  SFV10189  Phacelia grandiflora J. G. Cuti 1978-4-12 48 Los Angeles Verdugo Mountains La Tuna Canyon Road near eastbound onramp for 210 Freeway. Burnt over, north-facing, gradual slope. 450 Comment
  UC1584903  Phacelia hastata subsp. compacta Tim Ross and Steve Boyd 1991-7-24 5595 Los Angeles near intersection of Pacifico Mountain Road x Rountop Truck Road; Pacifico Mountain USGS 7.5' quad., Granite Mountain vicinity 1901 Comment
  UCR19173  Phacelia hubbyi John C. Roos 1947-5-4 3603 Los Angeles San Gabriel Valley, Kellogg Hill, in hills west of Pomona 305 Comment
  RSA0076186  Phacelia imbricata subsp. imbricata L. E. Hoffman 1931-5-18 s.n. Los Angeles Beside trail. Big Santa Anita Canyon. Comment
  UCR205608  Phacelia lemmonii R. G. Swinney 2008-5-12 8847 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA230232  Phacelia longipes Robert F. Thorne 1969-7-2 38342 Los Angeles Mt. Baden Powell. at edge of parking lot for Mt. Baden Powell trail head of Vincent Gulch. 2008 Comment
  JEPS64035  Phacelia lyonii L. R. Heckard 1953-5-3 369 Los Angeles on rocky point just e Camp Orizaba (Pasadena YMCA camp) (in crevice of rocks about 30 ft above water); Santa Catalina Island Comment
  RSA0035452  Phacelia minor Roxanne Smith 1991-5-5 12 Los Angeles Hills southeast of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Road and Steep Cyn. Road. Comment
  RSA650538  Phacelia minor Eleanor McClung 1937-4-18 136 Los Angeles Vasquez Rd. Comment
  SD237475  Phacelia mohavensis R. G. Swinney 2008-7-24 9288 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  UCR256462  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA0056396  Phacelia ramosissima var. austrolitoralis James R. Shevock 1972-9-30 2295 Los Angeles Point Dume 3 Comment
  CAS-BOT-BC159103  Phacelia ramosissima var. latifolia John Thomas Howell 1928-6-10 3869 Los Angeles Monrovia Canyon, San Gabriel Mts. Comment
  RSA426118  Phacelia stellaris Jack Rempel 1932-4-24 15236 Los Angeles El Segundo. Comment
  RSA670722  Phacelia tanacetifolia Bonnie C. Templeton, I. W. Clokey 1930-4-8 1029 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  SBBG65054  Phacelia viscida M. N. Ackley -May-1927 401 Los Angeles Mulholland Drive 457 Comment
  POM8496  Phacelia viscida P. A. Munz, R. D. Harwood 1920-5-15 3939 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  CATA1234  Phalaris aquatica Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2304 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  UCD89058  Phalaris minor Katharine Brandegee 1916-5-1 s.n. Los Angeles Catalina Island. Comment
  SBBG131708  Phalaris paradoxa S. A. Junak 1999-5-8 SCa 907 Los Angeles W side of Fern Cyn, in Cottonwood Cyn drainage, along abandoned rd, W-facing hillside 121 Comment
  UC124544  Pholisma arenarium C. G. Pringle 1882-7-4 Los Angeles Lancaster Comment
  UC284096  Pholistoma auritum S. B. Parish 1919-4-19 19262 Los Angeles Lone Hill near San Dimas; Lone Hill Comment
  UC284111  Pholistoma auritum unknown Feb. 1898 832 Los Angeles Lincoln Park Comment
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Dec 18 2007
  CAS-BOT-BC222562  Pholistoma auritum var. auritum Louis C. Wheeler 1967-5-15 9593 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth 441 Comment
  UCR239042  Pholistoma membranaceum Anuja Parikh, Nathan Gale 2010-6-2 3255 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 3.7 km west of State Hwy 14, 2.2 km southwest of California Aqueduct 1140 Comment
  SBBG118691  Pholistoma racemosum O. Mistretta 1992-4-4 130 Los Angeles San Clemente Island, Stabilized dune Comment
  RSA420763  Phoradendron californicum L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  RSA420801  Phoradendron macrophyllum Louis C. Wheeler 1932-1-10 437 Los Angeles Puddingstone Dam. 305 Comment
  RSA0044713  Phoradendron macrophyllum Del Wiens 1954-1-10 889 Los Angeles Intersection of Alexander and Cucamonga Ave., Claremont. Residential area. 366 Comment
  UC1871269  Phoradendron villosum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3857 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  RSA456539  Phyllospadix scouleri Robert F. Thorne 1966-4-15 36012 Los Angeles San Clemente Island. Upper edge of boulder beach and base of rocky bluff, c. 1/2 mile SSE of Eel Point, SW side of island. Comment
  RSA636109  Phyllospadix torreyi Robert F. Thorne 1974-9-13 45093 Los Angeles Santa Catalina Island: Inner shore of Catalina Harbor. Comment
  UC56823  Physalis philadelphica Ernest Braunton Jul 1902 596 Los Angeles Los Angeles River Comment
  CAS-BOT-BC207271  Pickeringia montana var. montana Louis C. Wheeler 1936-6-8 4127 Los Angeles Bell-San Dimas Canyon divide, San Gabriel Mts. 960 Comment
  UCR256173  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-21 13846 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  POM19003  Pinus flexilis Philip A. Munz 1923-8-31 7672 Los Angeles San Gabriel Mountains: ridge south of Swartout Valley 2591 Comment
  RSA384353  Pinus lambertiana V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake Comment
  CAS-BOT-BC78866  Pinus monophylla Geo. B. Grant 1902-6-1 268 Los Angeles unspecified 1828 Comment
  SFV261  Pinus monophylla P. G. Kilburn 1957-12-28 579 Los Angeles San Gabriel Mountains Trail to Devil's Punchbowl. 915 Comment
  LA33619  Piperia unalascensis Peter H. Raven; Henry J. Thompson 1959-5-5 14136 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage 365 Comment
  SBBG31105  Piptatherum miliaceum R. F. Thorne 1966-9-14 36643 Los Angeles behind Ben Weston Beach 3 Comment
  UCR129387  Piptatherum miliaceum L. C. Wheeler 1933-9-10 2104 Los Angeles San Gabriel Mtns., Santa Anita Canyon 534 Comment
  UCR190258  Pityrogramma triangularis R. G. Swinney 2000-5-21 7779 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UC1971491  Pityrogramma triangularis Louis C. Wheeler 1969-5-17 s.n. Los Angeles SANTA CATALINA ISLAND: 0.3 mile south southeast Isthmus Bench Mark. Comment
  UCR71167  Pityrogramma triangularis var. viscosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4417 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA0117478  Plagiobothrys arizonicus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37963 Los Angeles Tehachapi Mountains: Crane Canyon, 1.0 mi. SE (144 deg ) of Castac Lake, 1.7 mi. NE (43 deg ) of Gorman, just S of Kern Co. line. 1141 Comment
  RSA772388  Plagiobothrys arizonicus R. G. Swinney 2009-5-12 10713 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg ) of Littlerock 1061 Comment
  RSA595331  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  CATA862  Plagiobothrys canescens Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1671 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  IRVC26427  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-3-4 25703 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  UC76142  Plagiobothrys canescens Geo. B. Grant 996 Los Angeles Eagle Rock Canyon, So. California Eagle Rock Canyon Comment
  UCR261327  Plagiobothrys canescens R. G. Swinney 2010-3-13 11877 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR47665  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1932-5-7 10648 Los Angeles Channel Islands, Santa Catalina Island, ridges south of Grand Canyon 457 Comment
  LA34800  Plagiobothrys nothofulvus Kei Nakai; Frank Almeda 1976-4-5 TCSP 9 9 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, in horse pasture next to pond, near the telescope mount 365 Comment
  RSA709610  Plagiobothrys nothofulvus A. C. Sanders, A. Thompson 2003-4-15 25983 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  UCR126563  Plagiobothrys nothofulvus A. C. Sanders, Andy Thomson 2003-4-15 25983 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR177278  Plagiobothrys nothofulvus Scott D. White, Michael Honer 2003-5-7 9203 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  UCR184114  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2007-4-24 33478 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
  POM147456  Plantago coronopus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UC888390  Plantago erecta F. R. Fosberg 1931-3-26 S 4383 Los Angeles w Hamilton Canyon Santa Catalina Island 80 Comment
  UCR142491  Plantago erecta F. R. Fosberg 1931-4-16 S- 4659 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 200 Comment
  RSA188084  Plantago erecta Robert F. Thorne 1966-4-28 36261 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 183 Comment
  RSA401983A  Plantago erecta Louis C. Wheeler 1931-3-20 s.n. Los Angeles E end San Jose Hills at Pomona. 320 Comment
  RSA402027A  Plantago erecta Robert Gustafson, Christopher Davidson 1977-4-20 410 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  CATA1476  Plantago lanceolata Mark L. Hoefs, Robert F. Thorne 1996-4-6 2671 Los Angeles Santa Catalina Island: Old Bird Park, Avalon Canyon 103 Comment
  RSA495081  Plantago lanceolata A. C. Sanders 1988-5-18 7815 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Drive, and E of Vista Del Mar Blvd. 1 Comment
  RSA592191  Plantago lanceolata Louis C. Wheeler 1967-4-8 9177 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  RSA599897  Plantago major Louis C. Wheeler 1933-10-20 2180 Los Angeles San Gabriel River. 70 Comment
  RSA382905  Platanthera sparsiflora F. R. Fosberg, Joseph A. Ewan 1931-8-13 s.n. Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA0092471  Platanus racemosa R. G. Swinney 2011-10-27 15913 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA401705B  Platanus racemosa Vernon Rutherford 1948-07 s.n. Los Angeles Canton Canyon, vicinity of Castaic. Tehachapi Mts. Range. Comment
  RSA445701  Platystemon californicus G. R. Johnstone 1928-4-28 13787 Los Angeles Two mi. E. of Palmdale. Comment
  RSA751410  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -108 Los Angeles City of Malibu, ca. 0.2 mi E of La Piedra State Beach. 3 Comment
  RSA641657  Pluchea odorata R. F. Thorne 1974-9-12 45098 Los Angeles Santa Catalina Island. Middle Ranch Canyon at ranch near Thompson Reservoir 213 Comment
  CAS-BOT-BC356125  Pluchea odorata David B. Weissman 1971-6-17 91 Los Angeles Santa Catalina Island. Mud flat next to Middle Ranch reservoir 198 Comment
  IRVC29044  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA233568  Poa annua R. F. Thorne 1972-6-29 42096 Los Angeles San Gabriel Mountains, Angeles National Forest: wet margin of Jackson Lake (sag-pond on San Andreas Fault), c. 1 1/2 mi WNW of Big Pines. Comment
  UCR189691  Poa annua R. G. Swinney 1998-7-30 6578 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  CHSC95525  Poa bulbosa LeRoy Gross; John Gross, Johnny Gross, Matthew Gross 2002-4-27 533 Los Angeles Transverse Ranges; San Gabriel Mountains: Valley Forge Campground, in the West Fork of the San Gabriel river. 1057 Comment
  UCR241108  Poa howellii Tim Thomas 1988-4-12 1232 Los Angeles Transverse Range: Santa Monica Mountains, Stunt Ranch, halfway along driveway 436 Comment
  SEINET213152 Image available Poa nevadensis Larry C. Higgins 1974-4-11 8441 Los Angeles 4 miles east of Pearblossom on hwy 18; Comment
  POM10499  Poa secunda C. F. Baker 1909-05 s.n. Los Angeles Claremont Comment
  RSA0110573  Poa secunda Richard G. Swinney 2011-4-19 14408 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
  RSA484189  Poa secunda George B. Grant 1903-04 1015 Los Angeles Old Wilson Trail Comment
  RSA574522  Poa secunda Walter Wisura 1994-4-9 4935 Los Angeles N side of San Gabriel Mts along Mt Emma Road W of Rock Creek Comment
  RSA702481  Poa secunda Scott D. White 2004-5-5 10292 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA728344  Poa secunda Gary D. Wallace 1982-4-17 1900 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA756994  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  CHSC99444  Poa secunda subsp. secunda LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 926 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1) Near 3423386N, 118.10365W. UTM Zone 11; 3788444N 0398352E. 1631 Comment
  LA82510  Poa secunda subsp. secunda O. H. Kappler; 1941-4-6 180 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA135188  Polycarpon tetraphyllum P. H. Raven 1960-5-16 15381 Los Angeles Santa Monica Mountains. Topanga Canyon, 0.6 miles north of Coast Highway. 122 Comment
  RSA584490  Polycarpon tetraphyllum Timothy S. Ross 1992-5-24 6425 Los Angeles W margin of Hwy 39, and on disturbed slope descending into Brown s Gulch. 479 Comment
  SEINET11946399  Polycarpon tetraphyllum S. A. Thompson 1999-3-28 15390 Los Angeles Beverly Hills Comment
  CATA1968  Polygonum argyrocoleon F. R. Fosberg 1931-4-3 4461 Los Angeles Santa Catalina Island: Pebble Beach 5 Comment
  LA52265  Polygonum argyrocoleon A. M. Johnson; 1932-5-14 4070 Los Angeles Santa Monica Mountains, Pacific Palisades, Santa Monica, Pacific Palisades 45 Comment
  SBBG77486  Polygonum argyrocoleon F. R. Fosberg 1931-4-3 4461 Los Angeles Pebbly Beach Comment
  UCR85625  Polygonum lapathifolium Scott D. White 1992-10-8 926 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  CAS-BOT-BC71880  Polypodium californicum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  UC450767  Polypodium californicum Fay A. MacFadden 1931-3-28 2929 Los Angeles Tuna Canyon; Verdugo Hills Comment
  RSA689885  Polypodium californicum Albert J. Perkins 1913-1-12 s.n. Los Angeles Big Santa Anita Canon Sierra Madre, Calif Comment
  UCSB62385  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UC1108609  Polypogon interruptus Huron H. Smith 1912-6-14 5109 Los Angeles Silver Canyon Santa Catalina Island; Santa Catalina Isl., Silver Canyon 365 Comment
  RSA0082569  Polypogon viridis R. G. Swinney 2010-9-7 13726 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA385493  Polypogon viridis F. R. Fosberg 1930-10-18 S- 4117 Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] 40 Comment
  RSA702912  Polystichum imbricans subsp. curtum Scott D. White, Michael Honer 2004-6-30 10537 Los Angeles Mt. Baldy (town). West fork of San Antonio Creek within and just above uppermost residential neighborhood. 1341 Comment
  UCR205717  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36921 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR259397  Populus nigra R. G. Swinney 2010-9-9 13732 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CDA20750  Portulaca oleracea Alfonso, Jerry T. 2006-10-12 PDR 1353134 Los Angeles N. Vincent Ave., Covina CA. Comment
  UCR214660  Portulaca oleracea A. C. Sanders, Dan S. Cooper 2010-4-30 38131 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA777881  Potentilla glandulosa R. G. Swinney 2009-6-8 11105 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC6227  Potentilla glandulosa subsp. ewanii Joseph Andorfer Ewan 1930-6-24 2674 Los Angeles Near Windy Camp, Mt. Islip, San Gabriel Mts. 2286 Comment
  LA52098  Potentilla glandulosa subsp. glandulosa Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA35774  Potentilla glandulosa subsp. nevadensis F. W. Peirson 1922-7-5 5249 Los Angeles Big Pines Camp, north slope of San Gabriel Mountains, eastern Los Angeles Co. Comment
  UCR131592  Proboscidea louisianica L. C. Wheeler 1933-9-12 2111 Los Angeles San Gabriel Valley, Thompson Wash, 3 miles NE of La Verne 396 Comment
  UC1595408  Prunus Tim Ross, Annette H. Ross 1991-7-29 5703 Los Angeles n-most point of Puente Hills, Elephant Hill, W Pomona Elephant Hill; Puente Hills, , W Pomona 228 Comment
  SEINET10684860  Prunus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2511 Los Angeles City of Pasadena. Hye Produce, 1760 E. Washington. Comment
  RSA613728  Prunus fasciculata var. fasciculata Louis C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon 1/4 mile south-southwest of Blum Ranch. 915 Comment
  RSA12024  Prunus ilicifolia Fay A. MacFadden 1929-6-6 1071 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  SD37655  Prunus ilicifolia Edith A. Purer 1931-5-1 2069 b Los Angeles Arroto Seco, hillside Comment
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Jun 10 2015
  RSA0072136  Prunus ilicifolia James W. Raymond s.n. Los Angeles Verdugo Hills. 762 Comment
  LA91460  Prunus ilicifolia subsp. ilicifolia Bruce Douglas Clayton; Greg Shaw 1972-4-4 60 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  UC557776  Prunus ilicifolia subsp. lyonii Nell Murbarger 1936-5-1 203 Los Angeles San Clemente Island, on e and w sides San Clemente Island Comment
  CAS-BOT-BC154782  Prunus virginiana var. demissa Wesley Griesel 1963-7-17 840 Los Angeles Devil's Backbone, San Gabriel Mts. 2834 Comment
  CAS-BOT-BC356560  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  CATA1149  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-23 2140 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  LA105579  Pseudognaphalium biolettii Barry A. Prigge; 1989-5-10 8702 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 30 Comment
  SBBG79687  Pseudognaphalium biolettii F. R. Fosberg 1931-3-22 4324 Los Angeles Hamilton Cyn 60 Comment
  UC483205  Pseudognaphalium biolettii L. R. Abrams and I. L. Wiggins 1931-7-6 375 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  CAS-BOT-BC356554  Pseudognaphalium biolettii Joseph Andorfer Ewan 1932-2-3 7018 Los Angeles Hillside near mouth Laurel Canyon, Santa Monica Mts. Comment
  RSA0024504  Pseudognaphalium biolettii R. F. Thorne 1980-4-26 54143 Los Angeles Santa Catalina Island. Blackjack Camp; W slope of Blackjack Peak Comment
  UCR272350  Pseudognaphalium californicum R. G. Swinney 2011-3-15 14093 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  CATA1370  Pseudognaphalium luteoalbum Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2492 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  JEPS26184  Pseudognaphalium microcephalum Peter H. Raven and Henry J. Thompson 1959-9-27 14504 Los Angeles Sepulvada Canyon Santa Monica Mountains, Sepulveda Canyon 243 Comment
  UC63251  Pseudognaphalium ramosissimum Geo. B. Grant 1902-8-1 5056 Los Angeles Pasadena 304 Comment
  SBBG120054  Pseudognaphalium stramineum A. C. Sanders 2003-5-22 26828 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects pit) and N of Santa Fe RR, E of San Gabriel River channel 171 Comment
  UCR192814  Pteridium aquilinum Dan S. Cooper 2008-1 s.n. Los Angeles Los Angeles Basin, along Montecito Dr. south of Sinova Dr., Montecito Heights, Los Angeles 179 Comment
  RSA0113807  Pterostegia drymarioides LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7546 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
  UC1584706  Pterostegia drymarioides Tim Ross 1991-3-24 4313 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  RSA601430  Pterostegia drymarioides Louis C. Wheeler 1933-5-5 1697 Los Angeles San Gabriel Mountains: Fish Canyon. 305 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
  SD4360  Pycnanthemum californicum Ruth B. Randall 7/1931 174 Los Angeles Angeles National Forest, Big Rock Creek Comment
  RSA0080549  Pyrola dentata LeRoy Gross, Jane Tirrell 2011-7-20 5535 Los Angeles Just along the Pacific Crest Trail, above Little Jimmy Spring. 2317 Comment
  UCSB28156  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  UCSB27959  Quercus X grandidentata Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill Rd. north of Pomona, California 274 Comment
  UCSB55325  Quercus X grandidentata Thorne, Robert; Thorne, M. 1980-3-23 Los Angeles Foothills of San Gabriel Mts.; Johnson's Pasture, above Claremont 609 Comment
  CAS-BOT-BC104379  Quercus X macdonaldii Robert F. Thorne; P. C. Everett 1964-2-6 33430 Los Angeles ca 800' (perhaps 1 mil. SW of Empire Landing), N Central part of Santa Catalina Island Comment
  UC848118  Quercus X macdonaldii Carl B. Wolf 1932-10-5 Los Angeles s side Black Jack Peak (below Worker's Dormitories); Santa Catalina Island 304 Comment
  RSA0029479  Quercus X macdonaldii Benjamin E. Carter, John R. Clark 2012-8-9 6963 Los Angeles Santa Catalina Island. Bulrush Canyon, below Salta Verde turnoff. 255 Comment
  UCSB34874  Quercus agrifolia R. Lloyd 1959-3-24 81 Los Angeles 10 MI N OF CASTAIC ON US HWY 99 OAK FLATS FIRE STATION 822 Comment
  UCR212762  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittington 2006-10-24 1825 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  UCSB34870  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill Rd north of Pomona 274 Comment
  UCSB72067  Quercus berberidifolia Gross, LeRoy 2000-11-4 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley 365 Comment
  RSA381391  Quercus chrysolepis Robert F. Thorne, D. Propst 1970-11-12 41565 Los Angeles Santa Catalina Island, Mount Orizaba along n-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon. 488 Comment
  UCR270636  Quercus chrysolepis R. G. Swinney 2011-6-15 15166 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR277022  Quercus chrysolepis R. G. Swinney 2011-10-27 15909 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  CAS-BOT-BC86226  Quercus dumosa Reid Moran 1941-3-14 707 Los Angeles By creek, Middle Ranch, Santa Catalina Island Comment
  UCSB34838  Quercus dumosa R. Lloyd 1959-3-12 56 Los Angeles RIVERSIDE DR. AND OAK PARK IN MONROVIA (FOOTHILLS) 213 Comment
  RSA23360  Quercus durata var. gabrielensis Annetta Carter 1940-1-11 1489 a Los Angeles ridge northeast on head of Baldwin Avenue, Sierra Madre, foothills of the San Gabriel Mountains 335 Comment
  RSA573425  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-13 356 Los Angeles Mouth of Liveoak Canyon 409 Comment
  UCR270073  Quercus durata var. gabrielensis R. G. Swinney 2011-3-17 14126 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  POM295279  Quercus engelmannii Lyman Benson 1949-10-20 14273 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  UCR91300  Quercus ilex B. G. Pitzer, Paul Gomez 1996-4-28 2747 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  UCR146148  Quercus kelloggii June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, 0.5 mile west of Big Pines Ranger Station 2073 Comment
  RSA605067  Quercus lobata E. R. Blakley 1962-10-6 5473 Los Angeles Bullrush Canyon, Santa Catalina Island 351 Comment
  UCSB28127  Quercus lobata Gill, Robert 1959-3-24 Los Angeles Oak Flat Guard Station, Ridge Route 822 Comment
  RSA141567  Quercus macdonaldii Percy C. Everett 1960-9-27 24295 Los Angeles Santa Catalina Island, Along Road through Middle Ranch 183 Comment
  RSA638895  Quercus pacifica J. M. Tucker 1992-4-1 s.n. Los Angeles Santa Catalina Island, above Cherry Valley Creek, roughly 1.5 miles northwest of the Isthmus, 1/4 mile above road. 91 Comment
  SBBG37693  Quercus pacifica R. Moran 1941-3-14 708 Los Angeles Middle Ranch, near crk 200 Comment
  UC847938  Quercus pacifica Ezra C. Knopf 318 Los Angeles Santa Catalina Island Comment
  HSC97672  Quercus tomentella J. M. Tucker 1992-3-30 Los Angeles Santa Catalina Island, upper end of Gallagher's Canyon, 2 mi NW of Avalon 390 Comment
  RSA488013  Quercus tomentella Mark Hoefs, Propst 1974-5-10 470 Los Angeles Santa Catalina Island: upper Fern Canyon 335 Comment
  SBBG17810  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  UC1302271  Quercus tomentella Robert F. Thorne and P. C. Everett 1964-2-7 33473 Los Angeles e end Santa Catalina Island (lower end of Pebbly Beach Canyon); , Pebbly Beach Canyon 121 Comment
  UCD47344  Quercus tomentella Robert F. Thorne 1966-9-16 36715 Los Angeles Santa Catalina Island: left branch of Pebbly Beach Canyon. 121 Comment
  CAS-BOT-BC104861  Quercus wislizeni Le Roy Abrams 1901-4-13 1518 Los Angeles Wilson's Trail Comment
  IRVC29548  Rafinesquia californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26154 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  UCR280583  Rafinesquia californica R. G. Swinney 2014-5-13 16482 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  SBBG14797  Rafinesquia californica P. H. Raven 1962-5-1 17505 Los Angeles 0.6 mi above jct of Tuna Cyn Rd on rd to Saddle Pk 624 Comment
  POM18356  Ranunculus aquatilis var. capillaceus P. A. Munz 1923-6-9 6819 Los Angeles Pond 1 mile north of Elizabeth Lake. Comment
  RSA399999  Ranunculus hebecarpus E. Crow 1928-4-11 238 Los Angeles Hills southwest of Pomona. Comment
  RSA0072148  Retama monosperma Orlando Mistretta 1996-4-16 1959 Los Angeles San Gabriel Montains region: San Antonio Canyon. Along Mt. Baldy Road near canyon mouth. 1050 Comment
  UCR95385  Rhamnus californica L. C. Wheeler 1966-11-19 9127 Los Angeles San Gabriel Mtns., Pacoima Canyon at Dutch Louie Camp Comment
  JEPS41979  Rhamnus crocea Frank W. Peirson 1919-3-27 339 Los Angeles w of Arroyo Seco; San Gabriel Mountains 396 Comment
  UC1121840  Rhamnus crocea R. St. John 1930-2-17 98 Los Angeles San Francisco Ranch Santa Susana Quad. 365 Comment
  LA91476  Rhamnus ilicifolia Bruce Douglas Clayton; Greg Shaw 1972-4-7 76 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons. 487 Comment
  RSA165265  Rhamnus ilicifolia Mark Parratt 1963-4-15 514 Los Angeles Diamond Bar Ranch area. Comment
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Aug 20 2014
  RSA750106  Rhamnus ilicifolia R. G. Swinney 2008-5-5 8768 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA161321  Rhamnus pirifolia Peter H. Raven 1962-5-20 17776 Los Angeles Santa Catalina Island. Avalon canyon about 1 mile south of Avalon. Comment
  RSA177839  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-5-10 34474 Los Angeles Santa Catalina Island, near Echo Lake 427 Comment
  RSA3559  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  UCD112468  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island. 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA390148  Rhamnus tomentella subsp. cuspidata Anstruther Davidson 1916-7-1 s.n. Los Angeles Crescenta. Comment
  RSA611054  Rhamnus tomentella subsp. cuspidata Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  RSA641640  Rhamnus tomentella subsp. cuspidata Louis C. Wheeler 1967-9-4 10678 Los Angeles Camp Lupine, Prairie Fork. 1982 Comment
  SEINET10692947  Rhus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2500 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  CAS-BOT-BC167919  Rhus integrifolia P. A. Munz; R. D. Harwood 1920-5-15 3948 Los Angeles Santa Monica Mts., Sepulveda Canyon 243 Comment
  RSA386382  Rhus ovata F. R. Fosberg 1931-1-7 7106 Los Angeles Sierra Madre 300 Comment
  POM137196  Rhus trilobata var. pilosissima C. F. Baker 1904-5-5 4734 Los Angeles Claremont. Comment
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Jun 3 2012
  CHSC95384  Rhynchelytrum repens LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side: South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon. 449 Comment
  RSA279074  Ribes aureum var. gracillimum Robert F. Thorne 1971-4-9 41527 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  RSA639739  Ribes aureum var. gracillimum Louis C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 427 Comment
  UC1182098  Ribes aureum var. gracillimum S. N. Wyckoff and H. R. Offord 1931-2-14 47 Los Angeles Arcadia Comment
  CAS-BOT-BC93100  Ribes californicum var. hesperium Ellsworth Bethel 1920-6-29 s.n. Los Angeles Orchard Camp on Mount Wilson Trail. Comment
  RSA522288  Ribes californicum var. hesperium Steve Boyd 1990-2-3 3821 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. Comment
  SDSU5938  Ribes californicum var. hesperium J. Godsil 1952-4-1 147 Los Angeles Angeles National Forest, near Coldstream Guard Station; Azusa Canyon. 1036 Comment
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Aug 5 2014
  UC79600  Ribes californicum var. hesperium C. F. Baker 1903-2-17 4063 Los Angeles near Claremont (San Antonio Canyon) Comment
  CAS-BOT-BC93394  Ribes cereum H. E. McMinn 1926-7-22 1778 Los Angeles Bear Flat trail to Mount San Antonio. Comment
  RSA781821  Ribes cereum R. G. Swinney 2009-8-25 11485 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UC586878  Ribes cereum Joseph Andorfer Ewan 1934-8-3 8319 Los Angeles region Swartout Valley (Table Mountain at head of Le Montaine Creek); San Gabriel Mts., Table Mt., Le Montaine Creek 2225 Comment
  UCR191785  Ribes cereum R. G. Swinney 1998-7-8 6334 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  CAS-BOT-BC173104  Ribes indecorum Henry J. Thompson; Peter H. Raven 1959-2-25 13811 Los Angeles 1.2 miles east of summit, Saddle Peak. Santa Monica Mountains 670 Comment
  RSA226514  Ribes indecorum C. W. Tilforth 1971-5-29 375 Los Angeles Johnson s Pastures; hills at n. end of Mountain Ave. above Clare Boya, Claremont. Comment
  RSA441489  Ribes indecorum Elbert Benjamine 1929-2-10 s.n. Los Angeles Arroyo Seco, above Pasadena. 762 Comment
  LA50737  Ribes malvaceum A. M. Johnson; 1928-2-16 131 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG72045  Ribes malvaceum M. Caruthers -Jan-1928 990 Los Angeles Burbank Hills 365 Comment
  LA91427  Ribes malvaceum var. viridifolium Bruce Douglas Clayton; Greg Shaw 1972-4-7 74 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons 490 Comment
  RSA441453  Ribes malvaceum var. viridifolium Louis C. Wheeler 1932-3-19 524 Los Angeles Head Sepulveda. Santa Monica Mts. 427 Comment
  UCR270520  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA573753  Ribes nevadense Tim S. Ross 1990-8-17 3168 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  UCR99471  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  LA205493  Ribes roezlii Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  LA200832  Ribes speciosum H. N. Sauer; J. Sauer, J. Zadny, M. Zadny 1969-3-17 4391 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  UCSB10855  Ribes speciosum Stern, A. 1961-3-4 Los Angeles .5 mi west of Fryman Rd on Fire Rd; X9 Studio City; Hollywood Hills; Santa Monica Mts Comment
  CAS-BOT-BC173932  Ribes viburnifolium James R. Shevock 1975-3-23 4043 Los Angeles On the north side of Orizaba Peak in the vicinity of Black Jack Campground. Santa Catalina Island 457 Comment
  CAS-BOT-BC173938  Ribes viburnifolium Knopf; Johnson 1930-2-1 1464 Los Angeles Cherry Valley, near Isthmus Harbor, Catalina Island Comment
  UCD142324  Ricinus communis Robert F. Thorne 1970-3-5 39353 Los Angeles Santa Catalina Island, NE slope of Blackjack Mt., at upper end of Swain's Canyon. 396 Comment
  RSA598682  Rorippa curvisiliqua L. C. Wheeler 1949-6-22 6707 Los Angeles Altadena, Devil's Gate Dam 321 Comment
  SD112004  Rorippa nasturtium-aquaticum Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Cottonwood Creek, Santa Catalina Island. Comment
  POM11794  Rosa californica Unspecified 1918-8-4 2121 Los Angeles Hills west of Pomona Comment
  RSA449699  Rosa californica Geo. L. Moxley 1914-5-30 230 Los Angeles San Rafael Hills Comment
  RSA567157  Rosa californica Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-27 3892 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  SBBG70546  Rosa californica M. N. Ackley -May-1930 1268 Los Angeles Monte Vista Park 243 Comment
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May 7 2015
  SBBG95388  Rosa californica M. B. Dunkle 1928-5-13 1946 Los Angeles Middle Ranch Cyn, near stream Comment
  POM365834  Rosa woodsii subsp. gratissima Bonnie C. Templeton 1932-6-18 4944 Los Angeles Jackson Lake, Big Pines Park, San Gabriel Mountains. Comment
  CATA2965  Rubus armeniacus Charlie de la Rosa 2011-5-10 Los Angeles Santa Catalina Island: Sweetwater Canyon 260 Comment
  CAS-BOT-BC156590  Rubus ulmifolius Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon 579 Comment
  RSA0010521  Rubus ursinus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6802 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  PASA1199  Rubus vitifolius M. Stason 1931-4-18 Los Angeles San Gabriel Canyon Comment
  RSA0035068  Rubus vitifolius Lee Haines 1935-7-4 s.n. Los Angeles Little Dalton Canyon, San Gabriel Mts. Comment
  RSA466051  Rumex conglomeratus F. R. Fosberg 1930-6-23 S 2960 Los Angeles Del Rey, 2 Comment
  RSA65921  Rumex crispus F. W. Peirson 1930-5-31 8913 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. Comment
  RSA0083014  Rumex hymenosepalus R. G. Swinney 2010-5-12 12768 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  CAS-BOT-BC433577  Rumex hymenosepalus Geo. B. Grant 1897-12-19 s.n. Los Angeles Covina Comment
  RSA466092  Rumex hymenosepalus Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UCR205735  Rumex maritimus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36983 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UC56032  Rumex salicifolius var. salicifolius J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  UCR273379  Salix R. G. Swinney 2011-10-18 15808 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
  CAS-BOT-BC103159  Salix bonplandiana Geo. B. Grant 1902-3-1 1153 Los Angeles Pasadena Comment
  CAS-BOT-BC103175  Salix bonplandiana L. R. Abrams; I. L. Wiggins 1931-7-4 333 Los Angeles White's Landing, [SantaCatalina] Santa Catalina Island Comment
  RSA762368  Salix exigua R. G. Swinney 2009-3-13 10106 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  CHSC95732  Salix laevigata LeRoy Gross 2003-2-22 738 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  IRVC28581  Salix lasiolepis A. C. Sanders, Mark Elvin 2002-6-19 25160 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  LA208805  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-6-29 7668 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  POM362719  Salix lasiolepis M. B. Dunkle 1936-3-28 4712 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  RSA228862  Salix lasiolepis Robert F. Thorne 1971-6-26 39978 Los Angeles Angeles National Forest: Charlton Flats. 1646 Comment
  UC5056  Salix lasiolepis W. H. Brewer 1860-12-23 87 Los Angeles Los Angeles Sierra Santa Monica Comment
  UCD111608  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Bottom of Topanga Canyon, Santa Monica Mts. 225 Comment
  UC506468  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-15 7641 Los Angeles Comment
  CDA20800  Salsola australis B. Villegas 2002-8-21 B 247 -4 Los Angeles Los Angeles Basin; Calabasas, near Ventura Co. line. 0 Comment
  CDA23587  Salsola tragus M. I. Wibawa, L. Smith 2008-10-28 A- 0253 Los Angeles Neenach, off of Highway 138, field along Three Points Road, across from junction to Avenue C, north of California Aqueduct. 0 Comment
  RSA185464  Saltugilia splendens subsp. grantii Clare B. Hardham 1965-6-20 12913 Los Angeles Cajon Pass. Comment
  RSA590856  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-5-15 2519 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA67058  Saltugilia splendens subsp. splendens Verne Grant, Alva Grant 1951-6-15 16054 Los Angeles Big Pines, San Gabriel Mts. Noted also on summit of ridge at Inspiration Point. 2104 Comment
  CATA1008  Salvia apiana Mark L. Hoefs 1994-7-18 1890 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  CATA524  Salvia apiana Sara L. Crockett 1997-4-29 673 Los Angeles Santa Catalina Island: 0.8 mile S on road from KBRT radio station toward Salta Verde, slope below E/W-trending ridgeline 487 Comment
  CHSC95380  Salvia apiana LeRoy Gross; Valerie Soza 2001-5-31 390 Los Angeles Los Angeles Basin: Verduga Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon. (Burbank). 457 Comment
  POM156528  Salvia apiana L. R. Abrams 1902-7-3 2642 Los Angeles Sierra Madre. Comment
  RSA401638B  Salvia apiana William Emboden 1970-6-12 44 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA724461  Salvia apiana K. Dobry 1991-6-27 d- 794 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  SD38573  Salvia apiana Florence Post 1931-4-21 1979 Los Angeles Foothill Blvd. near Mt Wilson toll gate. Comment
  UC1871309  Salvia carduacea T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5010 Los Angeles Transverse Ranges; Liebre Mountains region; Paris: ca. one mile E of Acton, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash, T5N R12W SW 1/4 NE 1/4 SW 1/4 section 31; elevation ca. 2740 ft. 835 Comment
  RSA658842  Salvia columbariae var. columbariae J. S. Burns 1992-5-11 11 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  CAS-BOT-BC214316  Salvia dorrii var. pilosa Timothy S. Ross 1991-4-27 4647 Los Angeles Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +- S to SSW), ca 0.25 - 0.3 miles W of the county line, Mojae Desert 1203 Comment
  POM49970  Salvia dorrii var. pilosa A. D. E. Elmer 1902-06 3696 Los Angeles Vincent. Comment
  RSA226018  Salvia dorrii var. pilosa Robert F. Thorne, C. W. Tilforth 1971-6-29 40683 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. 854 Comment
  RSA339715  Salvia dorrii var. pilosa Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55008 Los Angeles S of Emma Mountain Road, just E of Little Rock Creek. 1006 Comment
  RSA446281  Salvia dorrii var. pilosa Gale Sphon 1959-4-4 285 Los Angeles 3 miles north of Big Rock Public Camp, Big Rock Creek. Comment
  UC1124692  Salvia dorrii var. pilosa G. T. Nordstrom 1935-1-8 309 Los Angeles 5.7 mi ne Bear Mtn.; Tejon Quad. 914 Comment
  SD43395  Salvia dorrii var. pilosa Darley F. Howe 1948-5-2 1777 Los Angeles Angolus Crest Grade. 1036 Comment
  CHSC25043  Salvia mellifera L. M. Mayer; I. J. Mayer 1974-4-10 155 Los Angeles On Bouquet Canyon Rd. ca. 1 1/2 mi e of intersection with Vasquez Canyon Road on n side of road. Comment
  CHSC790  Salvia mellifera E. Thomas 1940-3-10 Los Angeles Claremont. Comment
  CHSC98053  Salvia mellifera LeRoy Gross 2003-3-7 757 Los Angeles Transverse Ranges: Verdugo Mountains Region: Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  LA82004  Salvia mellifera Harlan Lewis; 1940-4-3 1292 Los Angeles Santa Monica Mountains, 15 mi. N [W] of Malibu Beach Comment
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Jun 16 2015
  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
  SFV21000  Salvia mellifera L. Gross 2003-3-9 808 Los Angeles San Rafael Hills Southwest side of San Rafael Hills, at or near top of east-west trending ridge southwest of Flint Peak. Entered at west end at Mount Carmel Drive east of Highway 2 (Glendale Freeway) between Chevy Chase Drive (Sycamore Canyon) to the north and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  UCR259275  Salvia mellifera R. G. Swinney 2010-5-4 12514 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
  RSA82403  Salvia mellifera F. W. Peirson 1920-4-18 181 Los Angeles New York St., La Canada. 610 Comment
  LA34658  Salvia spathacea Mary V. Hood; 1948-5-18 48 4 k Los Angeles 579 Comment
  POM277129  Salvia spathacea E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Hills near Glendale Comment
  SFV3227  Salvia spathacea K. A. Wilson 1961-3-10 962 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  SBBG45086  Sambucus nigra subsp. caerulea C. B. Wolf 1932-7-6 Los Angeles San Fernando Valley, Van Nuys Blvd 0.5 mi E of Pacoima Post Office 335 Comment
  SBBG69485  Sambucus nigra subsp. caerulea R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  SFV18441  Sambucus nigra subsp. caerulea C. Ferguson 1974-4-10 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Beside entrance to park. Comment
  UCR272835  Sambucus nigra subsp. caerulea R. G. Swinney 2011-7-29 15558 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CATA1458  Sanicula arguta Mark L. Hoefs, Robert F. Thorne 1996-4-6 2642 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  CATA583  Sanicula arguta Mark L. Hoefs 1991-4-7 1021 Los Angeles Santa Catalina Island: By main road south-east of Cottonwood Beach 131 Comment
  UC1562956  Sanicula arguta Steve Myers 1990-4-3 2 Los Angeles Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
  UCR190527  Sanicula arguta R. G. Swinney 1990-3-19 1524 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  RSA249738  Sanicula arguta R. F. Thorne, M. Z. Thorne 1973-2-12 42463 Los Angeles Blue Cavern Point, Santa Catalina Island. 61 Comment
  SDSU2336  Sanicula arguta R. M. Beauchamp 1967-1-27 119 Los Angeles Above (south of) Wilson Cove. San Clemente Island. Comment
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Oct 13 2011
  SFV2609  Sanicula arguta C. Gasser 1956-3-2 s. n. Los Angeles Santa Monica Mountains 1 mile from Highway 101 on Malibu Canyon Road. 366 Comment
  UC1400389  Sanicula arguta Robert F. Thorne 1966-4-16 36066 Los Angeles below Lemon Tank (near dump, s of Nanny, ne side of San Clemente Island); San Clemente Island 182 Comment
  UCR61073  Sanicula bipinnatifida R. G. Swinney 1969-4-27 391 Los Angeles San Gabriel Mtns., Glendora/Azusa boundary, foothills 0.6 mi. north of Sierra Madre Ave. above Yucca Ridge Ave 351 Comment
  RSA592771  Sanicula tuberosa Steve Boyd, Michael Wall 1996-4-4 8542 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17;, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. Near 34 deg 33.120'N, 118 deg 31.541'W. T5N R16W sec. 2. 701 Comment
  RSA445300  Satureja mimuloides Geo. L. Moxley 1914-9-7 280 Los Angeles Arroyo Seco Canyon. Comment
  CAS-BOT-BC283091  Schedonorus arundinaceus Cecil Hart 1925-6-25 s.n. Los Angeles Montebello Comment
  RSA747981  Schedonorus arundinaceus R. G. Swinney 2005-5-14 8232 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  RSA750835  Schedonorus arundinaceus R. G. Swinney 2005-8-9 8409 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UC1870191  Schinus molle LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 409 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  RSA728340  Schismus arabicus Gary D. Wallace 1982-4-17 1904 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA0045263  Schismus barbatus R. G. Swinney 2010-3-22 12008 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
  RSA592349  Schismus barbatus L. C. Wheeler 1967-5-12 9425 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR155653  Schismus barbatus A. C. Sanders, T. B. Salvato 2005-4-26 29683 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR186801  Schismus barbatus Gary Kovnat, LeRoy Gross 2003-2-2 11 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south west corner of meadow Comment
  UCR193704  Schismus barbatus R. G. Swinney 1999-5-22 7192 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA0051761  Scrophularia californica Wilbur Deeds, Lapietra 1951-5-10 s.n. Los Angeles Escondido Canyon. Comment
  SEINET12344294  Scrophularia californica Unknown 1972-6-8 s.n. Los Angeles Bud Wood Fireroad, Topanga Canyon 244 Comment
  RSA425211  Scrophularia californica subsp. floribunda Anstruther Davidson 1920-1 s.n. Los Angeles Laguna. Comment
  CAS-BOT-BC341090  Scutellaria mexicana A. D. E. Elmer 1902-6-1 3671 Los Angeles Palmdale Comment
  RSA680399  Scutellaria tuberosa Michael Honer, Dylan Hannon 2003-7-1 1842 Los Angeles Liebre Mts: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  RSA653262  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley: along Hwy 138 in vicinity of 230th St. West 890 Comment
  UCR48859  Sedum spathulifolium Steve Morgan 1974-5-17 146 Los Angeles San Gabriel Mtns., 8.9 mi east of Big Tujunga Canyon Road, on dirt road 300 yards north of Monte Cristo Ranger Station 976 Comment
  LA209597  Selaginella asprella Lawrence L. Kiefer; 1966-10-22 2465 Los Angeles San Gabriel Mountains, upper Little Rock Creek, ca. 3 mi down from junction of Burkhart and Rattlesnake trails 1523 Comment
  RSA657204  Selaginella bigelovii Joseph M. Keefe 2001-1-19 30985 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California 91040. 385 Comment
  CAS-BOT-BC62024  Selaginella bigelovii Chas. W. Gilman 1922-5-28 s.n. Los Angeles Big Tujunga Canyon Comment
  RSA60203  Senecio californicus E. K. Balls, L. W. Lenz 1950-3-28 14455 Los Angeles 12 miles south of Castaic, hwy 99. 335 Comment
  CAS-BOT-BC333101  Senecio flaccidus var. douglasii Tim Ross; Steve Boyd 1993-5-23 7293 Los Angeles Margin of USFS road (6N24), ca. 230 m WNW of Plum Spring, Green Valley 7.5' USGS quad., Upper Clearwater Canyon, Liebre Mountains 842 Comment
  RSA653516  Senecio flaccidus var. douglasii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 279 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  UC35973  Senecio flaccidus var. douglasii J. Burtt Davy Oct 1896 2723 Los Angeles Santa Monica Comment
  UC472154  Senecio flaccidus var. douglasii J. Ewan 1931-10-11 5246 Los Angeles n of Mulholland (Sepulveda Canyon Rd); Santa Monica Mts. Comment
  UCR209513  Senecio vulgaris Dan S. Cooper 2009-4-14 409- 35 Los Angeles Eastern Santa Monica Mtns., above Travel Town, Griffith Park 183 Comment
  RSA527759  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4343 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
  UCSB33616  Senecio vulgaris Griesel, Wesley 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  IRVC7627  Sequoia sempervirens P. W. Rundel 1964-12-6 1492 Los Angeles Claremont; Pomona College; Marston Quad. Southern Coastal 366 Comment
  UCR217340  Sesuvium verrucosum David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, north of the spillway and 0.25 mi. south of Rosamond Dry Lake bed 713 Comment
  CAS-BOT-BC243575  Setaria parviflora Timothy S. Ross 1992-5-24 6401 Los Angeles W margin of Hwy 39, and on disturbed slope descending into Brown's Bulch, San Gabriel Canyon, San Gabriel Mountains 487 Comment
  POM2956  Sidalcea malviflora subsp. sparsifolia Idella Coleman 1915-3-28 s.n. Los Angeles South Hills - Pomona-Claremont Comment
  RSA782018  Sidotheca trilobata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 400 Los Angeles Liebre Mountains. Road 7N23 1484 Comment
  RSA191041  Silene antirrhina James Henrickson 1963-5-5 32324 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  SD51912  Silene antirrhina Peter H. Raven 1962-5-9 17680 Los Angeles San Clemente Island; near head of canyon above Mosquito Cove. 340 Comment
  POM158278  Silene gallica M. B. Dunkle 1928-5-12 1921 Los Angeles Empire Landing, Santa Catalina Island. 30 Comment
  RSA746772  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  LA94360  Silene gallica Louis Wheeler; 1932-3-23 521 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  CAS-BOT-BC174909  Silene laciniata Geo. B. Grant 1904-5-1 1205 Los Angeles Pasadena Comment
  UCR280763  Silene laciniata R. G. Swinney 2014-5-19 16559 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
  RSA0080071  Silene laciniata subsp. major R. G. Swinney 2010-6-4 13036 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  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
  CATA1425  Silybum marianum Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2586 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  CHSC36044  Sisymbrium irio James Henrickson 1973-6-15 10681 Los Angeles City of Long Beach, along beach near Long Beach Arena. 3 Comment
  RSA0087918  Sisymbrium irio R. G. Swinney 2010-3-14 11899 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  CDA25149  Sisymbrium irio L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. Comment
  RSA428429  Sisymbrium irio Ida Lou Sayler 1942-4-19 s.n. Los Angeles Vacant lot, San Marino Comment
  SBBG130745  Sisymbrium irio S. A. Junak 2000-3-30 SCa 1143 Los Angeles cmpgrd at Little Harbor 6 Comment
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Jul 26 2016
  UC1215137  Sisymbrium irio Peter H. Raven 1962-4-9 17140 Los Angeles San Clemente Island, Wilson Cove, near barracks Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  RSA592152  Sisymbrium officinale L. C. Wheeler 1967-5-7 9281 Los Angeles Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 609 Comment
  RSA66078  Sisymbrium orientale Joseph A. Ewan 1930-5-18 2370 Los Angeles Live Oak Canyon near La Verne Comment
  SBBG133347  Sisymbrium orientale K. Klementowski 2008-2-19 SERG 109 -08 Los Angeles E side of Airport and E side of Perimeter Rd Comment
  SBBG58796  Sisyrinchium bellum M. N. Ackley -Apr-1927 415 Los Angeles Eagle Rock 182 Comment
  UC845027  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  UC998919  Sisyrinchium bellum P. O. Schallert 1944-4-20 Los Angeles Monrovia Canyon Comment
  SD237632  Solanum americanum A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37173 Los Angeles Los Angeles Basin Region: Los Angeles, Watts area, 658 East 111th Place between Stanford Ave. and Avalon Blvd. (Inglewood 7.5'Q) 34 Comment
  POM156279  Solanum americanum L. R. Abrams 1902-6-20 2570 Los Angeles Summit of Mt. Wilson 1768 Comment
  RSA422376  Solanum douglasii F. R. Fosberg 1931-4-15 S- 4614 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  SD90498  Solanum douglasii Robert F. Thorne 1966-4-16 36027 Los Angeles San Clemente Island: rocky slope above Wilson Cove, NE end of island 29 Comment
  RSA0020267  Solanum douglasii A. E. Hersh 1950-7-9 s.n. Los Angeles Rindge and Rees Ave., Playa del Rey. 15 Comment
  RSA422390  Solanum douglasii Kathrine Houghton 1931-7-20 s.n. Los Angeles Giffith Park Comment
  NY821031  Solanum nodiflorum L. Abrams 1902-6-20 2870 Los Angeles Soldier's Home Comment
  RSA0049930  Solanum umbelliferum R. G. Swinney 2010-3-10 11823 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0105750  Solanum umbelliferum R. G. Swinney 2011-7-7 15446 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA599286  Solanum umbelliferum Steve D. Boyd, Lauren Raz 1997-3-31 9422 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
  RSA584852  Solanum umbelliferum Tim S. Ross 1993-6-1 7352 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 780 Comment
  SEINET7262082 Image available Solanum wallacei F. R. Fosberg 1931-3-18 S 4285 Los Angeles Hamilton Canyon; Santa Catalina Island Comment
  SBBG70643  Solanum xanti R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA587492  Solidago californica Orlando Mistretta 1994-9-13 1473 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1189 Comment
  RSA755436  Solidago californica R. G. Swinney 2008-7-15 9200 Los Angeles Winston Peak 2275 Comment
  UCR258511  Solidago californica R. G. Swinney 2010-9-13 13809 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  RSA0077387  Solidago californica Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  CAS-BOT-BC365023  Solidago velutina subsp. californica Peter H. Raven 1959-10-16 14647 Los Angeles 0.8 miles south of Guard Station, Boquet [Bouquet] Canyon Comment
  LA206358  Sollya heterophylla J. Sauer; H. Sauer, J. Zadny, M. Zadny 1970-6-15 4829 Los Angeles Santa Monica Mountains, upper Rustic Canyon Comment
  CATA33  Sonchus USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 16 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: North, Slope: approx. 35% 41 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
  JEPS30626  Sonchus oleraceus Peter H. Raven 1959-5-9 14165 Los Angeles Mulholland Hwy 1 mi w Las Virgenes Rd. (Malibu Creek drainage, Santa Monica Mountains); Santa Monica Mountains, Malibu Creek drainage 274 Comment
  UCR210425  Sonchus oleraceus R. G. Swinney 2008-11-29 9853 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA738076  Sorghum halepense Kitty Brauer 1966-07 s.n. Los Angeles La Crescenta Comment
  UCSB41793  Spartium junceum Lewis, Bruce 1970-4-25 Los Angeles Along Mt. Baldy Rd. 914 Comment
  UCR11526  Spergula arvensis Pedigo 1961-4-16 01 Los Angeles Western Transverse Range; Santa Monica Mtns., Point Dume 15 Comment
  LA33481  Spergula arvensis Peter H. Raven; 1959-4-4 13969 Los Angeles Santa Monica Mountains, Pt. Dume, just behind point 15 Comment
  NY482324  Spergularia bocconi P. H. Raven 1962-5-8 17615 Los Angeles San Clemente Island: Wilson Cove; barracks area 76.2 Comment
  SD85138  Spergularia macrotheca Martin A. Piehl 1962-6-9 62631 Los Angeles San Clemente Island; south of Lighthouse, China Point. 3 Comment
  RSA0098393  Spergularia macrotheca F. R. Fosberg 1930-6-23 S 2944 Los Angeles Del Rey. 1 Comment
  RSA0098531  Spergularia marina Scott D. White 1997-3-12 4753 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  SBBG132069  Spergularia villosa S. A. Junak, B. Collins 1991-4-25 SCI 222 Los Angeles E side of island, along rd to Camera Pad "Boulder", N of Thirst Cyn 585 Comment
  UCSB2454  Stanleya pinnata Wedberg, H. 1957-5-5 Los Angeles 1/4 mi. N(W) Malibu Pier, Hwy. 101 Comment
  UCR276745  Stephanomeria cichoriacea R. G. Swinney 2010-8-11 13497 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UCR97082  Stephanomeria diegensis Scott D. White 1997-2-2 4659 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  RSA474193  Stephanomeria exigua subsp. coronaria Richard Arnold 1984-8-10 1026 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2. Comment
  RSA579437  Stephanomeria exigua subsp. coronaria Timothy S. Ross 1994-6-22 7997 Los Angeles vicinity of Santiago Canyon: lower end of major NE-draining tributary of Santiago Canyon (originating at saddle with upper N fork of Tie canyon; joining Santiago Cyn stream at 4385 ft.) 1390 Comment
  RSA747412  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC322835  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  CAS-BOT-BC322841  Stephanomeria pauciflora Carl B. Wolf 1932-8-11 4010 Los Angeles Big Rock Creek 1/8 mile below Big Rock Ranger Station, desert slope of San Gabriel Mts. 1066 Comment
  POM49613  Stephanomeria pauciflora A. D. E. Elmer 1902-07 3501 Los Angeles Lancaster Comment
  RSA659870  Stephanomeria virgata Orlando Mistretta 1992-8-20 766 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  SBBG67951  Stephanomeria virgata R. Hoffmann 1928-7-9 Los Angeles rd to Elizabeth Lake Comment
  UCR124394  Stephanomeria virgata I. W. Clokey, B. C. Templeton 1929-1 4581 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350