Search Results — 2000 specimen records retrieved (1545 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR270684  Abies concolor R. G. Swinney 2011-8-17 15652 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  PASA579  Abronia Margaret Stason 1931-5-10 Los Angeles Lovejoy Buttes, Mohave desert Comment
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Sep 5 2014
  POM744  Abronia maritima D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mts, Topanga Canyon Comment
  RSA680173  Abronia pogonantha Scott D. White 2003-6-8 9509 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  RSA229848  Abronia pogonantha Ruth Wilson 1968-4-14 1087 Los Angeles near buttes at 168th and P-8 Comment
  SBBG17752  Abronia umbellata P. H. Raven 1962-4-11 17297 Los Angeles sandy beach behind Northwest Harbor 6 Comment
  SBBG80332  Abronia umbellata F. C. Boutin 1967-4-23 1629 Los Angeles N end of island at W end of air field runway Comment
  UCR213261  Acacia cyclops A. C. Sanders, Karen Kirtland 2010-5-7 38339 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
  RSA93733  Acamptopappus sphaerocephalus F. W. Peirson 1921-5-19 2407 Los Angeles Little Rock Creek: north base of San Gabriel Mountains 976 Comment
  UC625727  Acamptopappus sphaerocephalus var. hirtellus Annie M. Alexander 1939-6-26 848 Los Angeles w Victorville Comment
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Feb 10 2015
  HSC87303  Acer macrophyllum Steve Boyd, T. S. Elias 1987-4-14 2032 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA416196  Achillea millefolium F. R. Fosberg 1931-1-7 7114 Los Angeles Sierra Madre. 300 Comment
  RSA714792  Achnatherum coronatum A. C. Sanders 2003-5-26 25863 Los Angeles San Gabriel Valley: long abandoned gravel pit on the boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 Fwy east of the San Gabriel River Channel. 159 Comment
  CAS-BOT-BC216457  Achnatherum occidentale subsp. californicum Geo. L. Moxley 1922-5-1 s.n. Los Angeles Mint Canyon Comment
  RSA0025425  Achnatherum parishii subsp. parishii Duncan S. Bell, Caitlin Elam 2013-6-24 5242 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  SD86313  Acmispon argophyllus var. adsurgens R. Beauchamp, M. Douglas 1972-3-24 3250 Los Angeles San Clemente Island: above Pyramid Cove. 149 Comment
  SBBG108146  Acmispon argophyllus var. argenteus S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 615 Los Angeles 1.1 mi S of Two Harbors on Cat Harbor Rd; ca. 30 m upslope 30 Comment
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May 24 2016
  SBBG96967  Acmispon argophyllus var. argenteus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4309 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  SBBG98066  Acmispon argophyllus var. argenteus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5150 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  LA48000  Acmispon dendroideus var. dendroideus Harlan Lewis; 1937-3-24 sn Los Angeles Santa Catalina Island 91 Comment
  SBBG133334  Acmispon dendroideus var. traskiae D. Pivorunas, J. Savage, J. Lambert, J. Dunn 2003-5-28 DP 10 -2003 Los Angeles below Tota parking lot 323 Comment
  SDSU4346  Acmispon glaber Gerald Collier 1951-3-16 3648 Los Angeles Faculty hill; 1/4 mile west of UCLA campus. Comment
  SD130260  Acmispon strigosus Jerilyn Hirshberg, T. Glenn 1990-5-21 Los Angeles Angeles National Forest, near Agua Dulce; Agua Dulce 7.5' USGS quad. 1219 Comment
  SD13187  Acmispon strigosus Edith A. Purer 1935-5-12 6599 Los Angeles El Segundo, old sand dunes Comment
  SBBG117115  Acmispon wrangelianus S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1519 Los Angeles N of main rd between Airport and Little Harbor 128 Comment
  SD124214  Acroptilon repens C. W. Tilforth 1972-8-17 621 Los Angeles Open field, Dartmouth Street and Garey Ave.; 1/2 miles north of Foothill Blvd. north edge of Pomona. Comment
  LA200815  Adenostoma fasciculatum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SDSU8954  Adenostoma fasciculatum R. M. Beauchamp 1966-8-10 62 Los Angeles Above Topanga Canyon Blvd, in Topanga Canyon. Comment
  RSA0124091  Adenostoma fasciculatum Louis C. Wheeler 1967-7-15 10012 Los Angeles West end. Waterman Mt. 61 Comment
  POM612  Adenostoma fasciculatum var. fasciculatum D. L. Crawford 1915-08 s.n. Los Angeles San Antonio Canyon, Claremont Comment
  RSA498002  Adenostoma fasciculatum var. fasciculatum Richard Barkalew 1929-4-22 s.n. Los Angeles Nicholas Canyon Comment
  RSA650188  Adenostoma fasciculatum var. fasciculatum Lori Ackerman, Gerald Braden 1988-5-20 34 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA0016930  Adenostoma fasciculatum var. fasciculatum Kelly Middleton, David Middleton 1988-5-23 35 Los Angeles Glendora Ridge Road, 6.5 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1067 Comment
  RSA167657  Adenostoma sparsifolium Peter H. Raven, Robert F. Thorne 1964-5-7 19021 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UC1409133  Adenostoma sparsifolium R. F. Thorne and Larry DeBuhr 1972-8-18 42233 Los Angeles ca. 2 mi. w. Clear Creek Station (near top of steep raodbank where Angeles Crest Hwy. crosses head of canyon, at junction with Angeles Forest Hwy.); San Gabriel Mts., Angeles Nat'l Forest 914 Comment
  UCR142884  Adenostoma sparsifolium Katherine Kneen 1933-8-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., foot of Saddle Peak 732 Comment
  UCR271205  Adiantum capillus-veneris R. G. Swinney 2011-11-1 15971 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA522930  Adiantum capillus-veneris T. S. Ross, Orlando Mistretta 1990-10-24 3291 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Shaded seepage in lower Cape Horn Canyon 549 Comment
  CATA96  Adiantum jordanii Mark L. Hoefs 1973-3-13 72 Los Angeles Santa Catalina Island: Upper Avalon Canyon, west of Wrigley Memorial 152 Comment
  UC218634  Adiantum jordanii S. B. Parish 1919-4-19 19253 Los Angeles Lone Hill near San Dimas Comment
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Jun 25 2012
  CAS-BOT-BC29348  Ageratina adenophora Timothy S. Ross 1992-5-24 6405 Los Angeles Lower Brown's Gulch, just W of the San Gabriel Dam 463 Comment
  RSA703505  Ageratina adenophora Scott D. White 2004-9-3 10746 Los Angeles San Gabriel Mountains: Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  SD82926  Ageratina adenophora Robert F. Thorne, A. C. Gibson 1971-5-22 39758 Los Angeles San Gabriel Mountains, Angeles National Forest, Fish Canyon in moist gully near Falls. 395 Comment
  RSA0091795  Agoseris retrorsa Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Bouquet Canyon. Comment
  RSA17062  Agoseris retrorsa C. B. Wolf 1936-5-27 s.n. Los Angeles Aliso Canyon to Buckhorn Flats Road, 3.6 mi. above Tie Camp Summit (1st summit) 1889 Comment
  RSA733279  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns.: Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 Comment
  UCR190351  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  RSA226050  Agrostis exarata R. F. Thorne, C. W. Tilforth 1971-6-29 40692 Los Angeles San Gabriel Mountains, Angles National Forest: ca. 2.2 miles down Aliso Canyon from junction with Angeles Forest Road. 1037 Comment
  SEINET4044471  Agrostis pallens D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, near Kanan-Dume Road. 182 Comment
  SEINET10719975  Allium Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2578 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  SD231161  Allium fimbriatum var. fimbriatum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 3 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  LA33455  Allium haematochiton Henry J. Thompson; 1959-3-27 1882 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi. E of peak. 701 Comment
  SD87527  Allium peninsulare Frank W. Peirson 1920-5-6 509 Los Angeles San Gabriel Mountains, Fish Canyon Falls. Comment
  UCR209865  Allophyllum R. G. Swinney 2008-7-12 9177 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SDSU1077  Allophyllum gilioides subsp. gilioides F. Youngberg 1934-4-1 Los Angeles Near San Dimas Dam. Comment
  UCR223592  Allophyllum gilioides subsp. violaceum R. G. Swinney 2009-6-8 11080 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
  CATA3309  Allophyllum glutinosum Amy Catalano, Jen Dreizehn 2017-3-23 026 Los Angeles Santa Catalina Island: South edge of exclosure 4B, south facing slope in upper Grand Canyon 423 Comment
  RSA639184  Allophyllum glutinosum L. C. Wheeler 1967-5-15 9559 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 571 Comment
  UCR100414  Allophyllum glutinosum Scott D. White, Chet McGaugh 1995-5-16 3083 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  POM307814  Alnus rhombifolia Henry J. Ramsey, Henry J. Ramsey 1938-2-13 2746 Los Angeles Eaton Canyon Park, Altadena. by old bridge. Comment
  RSA720486  Alopecurus pratensis R. G. Swinney 1997-8-6 5767 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
Read comments
Mar 27 2014
  IRVC27451  Amaranthus blitoides A. C. Sanders, Mark A. Elvin 2002-8-28 25597 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  UCR124030  Amaranthus blitoides A. C. Sanders, Mark A. Elvin 2002-8-28 25597 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR151880  Amaranthus blitum Tom Yutani 1989-4-27 s.n. Los Angeles La Mirada. Rosecrans Ave and Beach Blvd (Hwy 39), between Hwy 39 and Coyote Creek 46 Comment
  RSA402986  Amaranthus deflexus L. C. Wheeler 1931-9-10 130 Los Angeles Pomona. 259 Comment
  PASA2171  Amblyopappus pusillus Mabel B. Peirson 1922-4-7 Los Angeles San Pedro Comment
  RSA526074  Amblyopappus pusillus Steve Boyd, Peter Fritsch, Timothy S. Ross 1990-4-6 4173 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called 'Jack'. 152 Comment
  CAS-BOT-BC42893  Ambrosia acanthicarpa Timothy S. Ross; Steve Boyd 1994-9-20 8247 Los Angeles Upper Bouquet Canyon; ca 2225 m WSW of Lincoln Crest, and 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  HSC24945  Ambrosia acanthicarpa James Henrickson 1971-10-14 7188 Los Angeles NE Claremont along Foothill Blvd. 457 Comment
  JEPS64633  Ambrosia acanthicarpa Ernest C. Twisselmann 1970-9-8 17483 Los Angeles .2 mi e of, at Avenue A 30th Street West; Mojave Desert, Antelope Valley 731 Comment
  RSA596205  Ambrosia acanthicarpa Lauren Raz, Steve Boyd 1996-10-23 016 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  CAS-BOT-BC13718  Ambrosia chamissonis Ernest Braunton 1902-5-25 311 Los Angeles Redondo Comment
  UCR209418  Amelanchier utahensis R. G. Swinney 2008-9-12 9450 Los Angeles San Gabriel Mtns., Buckhorn Canyon, just north of Burkhart Trail parking lot, between trail and stream 1951 Comment
  POM214307  Amorpha californica L. C. Wheeler 1932-5-21 742 Los Angeles Head Mandeville canyon, Santa Monica Mtns. 488 Comment
  UCR213249  Amorpha californica Dan S. Cooper 2010-3-26 20100326- 11 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Beacon Hill in SE corner of park 296 Comment
  RSA584330  Amorpha californica var. californica T. S. Ross 1993-6-7 7367 Los Angeles W end of the San Gabriel Mtns.: NW side of Lupine Saddle at the head of the draw that drains NNW to Los Pinetos Spring. 954 Comment
  POM3932  Amsinckia intermedia I. M. Johnston 1918-4-11 1833 Los Angeles Lone Hill south of Glendora. Grassy hillside. 366 Comment
  RSA0088261  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 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
  UC1587636  Amsinckia intermedia Tim Ross 1991-4-21 4547 Los Angeles ridgetop between Turnbull and Sycamore Canyons ((Puente Hills, pro parte)); Whittier Hills 320 Comment
  UCR108167  Amsinckia intermedia Matilda Low 1997-3-13 11 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  RSA0079967  Amsinckia intermedia P. H. Raven 1962-4-11 17261 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  RSA499933  Amsinckia intermedia Chung-Hsin Chung 1931-2-26 s.n. Los Angeles Griffith Park. Comment
  RSA0089903  Amsinckia menziesii A. C. Sanders, E. J. Lott 1993-5-6 13964 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  RSA526536  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-7 4274 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SBBG63561  Amsinckia tessellata R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SD234333  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26120 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, E of and above Lake Hughes Rd;, near Castaic Lake dam (Warm Springs Mtn 7.5'Q) 487 Comment
  UCR101692  Amsinckia tessellata B. G. Pitzer 1998-5-23 3740 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA719502  Anagallis arvensis Gary Kovnat, LeRoy Gross 2004-4-25 54 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SEINET7594995 Image available Andropogon glomeratus Louis C. Wheeler 1946-1 6343 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile W of Bear Creek 518 Comment
  RSA0015841  Andropogon glomeratus var. scabriglumis LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6209 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA358479  Anemopsis californica R. F. Thorne 1973-09 44730 Los Angeles Santa Catalina Island: Big Spring. Comment
  RSA593407  Anthemis cotula Steve Boyd, Orlando Mistretta 1996-5-23 8814 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  LA200152  Anthemis cotula O. H. Kappler; 1943-5-23 465 Los Angeles Santa Monica Mountains, Trancas Canyon, West fork 518 Comment
  RSA509605  Anthemis cotula L. C. Wheeler 1967-5-13 9495 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  RSA760563  Anthriscus caucalis R. G. Swinney 2009-3-10 10057 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA584501  Anthriscus caucalis T. S. Ross 1992-5-24 6410 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 464 Comment
  RSA0094358  Antirrhinum coulterianum R. G. Swinney 2011-5-31 14895 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
  RSA524980  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd 1990-6-6 2822 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  POM199745  Antirrhinum kelloggii I. W. Clokey, Bonnie C. Templeton 1929-03 4487 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA0120030  Antirrhinum kelloggii R. G. Swinney 2014-5-19 16552 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UCSB46519  Antirrhinum multiflorum Los Angeles left side of Cannon Rd; about 5 mi. from junction of Ventura Fwy; near Palos Verdes 914 Comment
  RSA536044  Antirrhinum nuttallianum subsp. subsessile Tim S. Ross 1991-5-21 5418 Los Angeles San Clemente Island: Ridgetop at the 'armpit' jct of the upper two forks of Box Canyon. 470 Comment
  SBBG133007  Aphanisma blitoides S. A. Junak 1996-4-14 SCI- 336 Los Angeles W side of Whale Point, 0.25 mi SE of Peninsula Point 6 Comment
  LA34302  Apiastrum angustifolium A. M. Johnson; 1934-11-16 4376 Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA133255  Apiastrum angustifolium P. H. Raven 1959-5-3 14077 Los Angeles Mulholland Drive 0.6 miles east of Coldwater Canyon. 366 Comment
  IRVC28710  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  RSA633363  Apocynum androsaemifolium L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains.: West Fork Devils Canyon ca. 1 mile above campground. Comment
  UCR147291  Apocynum cannabinum Orlando Mistretta, Peter L. Morrell 1992-6-4 500 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  RSA403091  Apocynum cannabinum Anstruther Davidson 1893-8-10 s.n. Los Angeles Los Angeles. Comment
  RSA0106832  Arabis repanda R. G. Swinney 2011-7-29 15559 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  UC2029927  Arabis sparsiflora var. arcuata S. D. White, Kent Hughes 2000-5-16 7835 Los Angeles SAN GABRIEL MTS.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. Comment
  RSA597738  Arceuthobium campylopodum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3794 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  SEINET11988232  Arctostaphylos catalinae A. Seneres, Seneres, M.; Hoefs, M. L. 1981-1 s.n. Los Angeles Blackjack Canyon Rd & Airport Rd, Santa Catalina Island Comment
  RSA626714  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20207 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  CAS-BOT-BC24911  Arctostaphylos glandulosa subsp. adamsii John Thomas Howell 1942-10-19 17872 Los Angeles Charlton Flat, San Gabriel Mts. Comment
  RSA590931  Arctostaphylos glandulosa subsp. cushingiana Orlando Mistretta 1994-4-12 1022 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1159 Comment
  RSA629085  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20245 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  CAS-BOT-BC23065  Arctostaphylos glandulosa subsp. mollis Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3829 Los Angeles San Gabriel Mountains; easterly and southeasterly slopes to the SW of Crystal Lake: USGS 7.5' Quad 1828 Comment
  UCR190536  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 2000-6-19 7831 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  CAS-BOT-BC39339  Arctostaphylos glauca Carl B. Wolf 1927-7-27 683 Los Angeles Ridge Route road 5 mi. so. of Forest Inn Comment
  LA42409  Arctostaphylos glauca W. O. Griesel; 1936-1-15 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA631439  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15621 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631459  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16040 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631576  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15964 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA659947  Arctostaphylos glauca Orlando Mistretta 1992-5-18 351 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR252573  Arctostaphylos glauca R. G. Swinney 2010-6-21 13253 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA634339  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22074 Los Angeles Northern end of Crystal Lake Campground, San Gabriel Mountains. 1850 Comment
  RSA634796  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20508 Los Angeles Chilao Campground. 1600 Comment
  RSA634929  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20236 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635078  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20559 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635153  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20528 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  UCR193994  Arctostaphylos patula R. G. Swinney 1998-8-13 6736 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR205221  Arctostaphylos patula R. G. Swinney 2005-8-26 8531 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCR8944  Argania sideroxylon O. F. Clarke 1967-11-28 s.n. Los Angeles San Gabriel Valley, Arcadia, Los Angeles State and County Arboretum 183 Comment
  RSA188549  Argemone munita Robert F. Thorne, J. D. Olmsted 1965-8-26 35412 Los Angeles Angeles National Forest, thickety area near Prairie Fork 1616 Comment
  RSA434330  Argemone rotundata Bonnie C. Templeton 1932-7-21 5017 Los Angeles Prairie Fork San Gabriel River, near Big Pines Park Comment
  POM182057  Argyrochosma jonesii L. C. Wheeler 1933-2-22 1475 Los Angeles Little Rock Creek. 1066 Comment
  SBBG110998  Aristida adscensionis A. Parikh, N. Gale 1998-5-28 LA- 2 Los Angeles S of Agoura Hills; N of Triunfo Cyn Rd, near intersection of Kanan Rd 270 Comment
Read comments
Jun 23 2010
  CAS-BOT-BC90159  Artemisia californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4198 Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side Comment
  CAS-BOT-BC90160  Artemisia californica Tim Ross 1994-7-19 8175 Los Angeles Claremont: S base of Indian Hill Mesa. Ontario 7.5' USGS Quadrangle 396 Comment
  PASA832  Artemisia californica Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA0091527  Artemisia douglasiana R. G. Swinney 2010-6-29 13393 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA754142  Artemisia douglasiana Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1834 Los Angeles San Gabriel River Rincon Ranger Station 445 Comment
  CAS-BOT-BC90352  Artemisia douglasiana L. A. Greata 1900-9-16 s.n. Los Angeles near L.A. River Comment
  RSA127794  Artemisia douglasiana Peter H. Raven, Henry J. Thompson 1959-9-6 14380 Los Angeles Near mouth of Malibu Creek. (Lat; N. 34 degrees, Long. 118 to 119 degrees W.) 12 Comment
  CAS-BOT-BC93832  Artemisia dracunculus Alice Eastwood 1919-6-21 9064 Los Angeles San Fernando Comment
  UCR125119  Artemisia dracunculus A. C. Sanders, Mark Elvin 2002-6-18 25109 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  JEPS36926  Artemisia ludoviciana subsp. incompta F. W. Peirson 1922-7-7 3197 Los Angeles Rangers Cabin San Gabriel Mts., Swartout Valley 1798 Comment
  OBI70302  Artemisia tridentata subsp. tridentata Louis C. Wheeler 1956-9-16 7239 Los Angeles San Gabriel mtns: Guffy Camp, Blue Ridge Comment
  RSA151206  Arthrocnemum subterminale P. H. Raven 1962-7-12 18039 Los Angeles Just west of North Head, San Clemente Island 6 Comment
  RSA401380J  Asclepias californica Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  LA201860  Asclepias eriocarpa Arthur C. Gibson; 2003-5-31 4970 Los Angeles Santa Monica Mountains, Malibu Creek drainage, Mulholland Highway we of Calabasas and just E of Soka University Comment
  UCR271148  Asclepias eriocarpa R. G. Swinney 2011-7-8 15483 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  POM209994  Asclepias fascicularis Victor Duran 1933-8-11 3547 Los Angeles San Gabriel Mountains, South Fork Big Rock Creek. 1524 Comment
  JEPS5071  Asclepias vestita W. L. Jepson 1939-4-21 19244 Los Angeles Neenach School Mohave Desert, Antelope Valley 914 Comment
  SFV4251A  Asclepias vestita K. A. Wilson, M. L. Vincent 1965-5-18 1341 Los Angeles Mojave Desert Pearblossom. Corner of Fort Tejon and Longview roads. Comment
  CAS-BOT-BC354309  Asparagus aethiopicus R. E. Riefner, Jr. 2010-5-31 10 -40 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, E of Vermont Ave. and N of West Anaheim St.; elev. below sea level 2 Comment
  LA200069  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1708 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 3rd [4th?] switchback S of Monte Nido. 382 Comment
  RSA632936  Aspidotis californica Valerie L. Soza, Kent Hughes 1999-6-17 542 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UCR208180  Aspidotis californica M. B. Dunkle 1928-4-21 1879 Los Angeles Channel Islands, Santa Catalina Island, Renton Mine Hill 335 Comment
  RSA0048640  Astragalus antisellii E. F. 1951-4-4 s.n. Los Angeles Topanga. Summit Rd. 1st bend in rd. down from Smmit. 457 Comment
  RSA0002842  Astragalus brauntonii H. E. Hasse 1897-6-25 s.n. Los Angeles Dry ridge, Santa Monica Range. Comment
  UC397264  Astragalus didymocarpus Geo. B. Grant Mar 1903 78 Los Angeles Garvanza Comment
  SBBG113059  Astragalus gambelianus S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 593 Los Angeles N of Airport Rd, ca. 0.15 mi from main rd, near abandoned rd to ridge with Whitley's Pk 426 Comment
  SBBG117012  Astragalus gambelianus S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1537 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  RSA609601  Astragalus gambelianus L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  RSA615517  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  UCR65193  Astragalus miguelensis P. A. Munz 1923-4-8 6606 Los Angeles Channel Islands, San Clemente Island, NW coast Comment
  RSA730066  Astragalus pachypus var. pachypus R. G. Swinney 1999-5-8 7136 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
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Apr 25 2010
  CAS-BOT-BC192820  Astragalus pomonensis Ernest Braunton 1902-4-29 257 Los Angeles North Pomona Comment
  CAS-BOT-BC193086  Astragalus pycnostachyus var. lanosissimus Ernest Braunton 1902-9-1 682 Los Angeles Ballona Meadows Comment
  RSA415761  Astragalus trichopodus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  CAS-BOT-BC194034  Astragalus trichopodus var. lonchus Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7400 A Los Angeles Rancho Palos Verdes, un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive, San Pedro 7.5', Palos Verdes Peninsula 164 Comment
  LA205768  Astragalus trichopodus var. phoxus Marcus E. Jones; 1934-4-26 Los Angeles Castaic Canyon, Ridge Road Comment
  CAS-BOT-BC199083  Astragalus trichopodus var. phoxus Peter H. Raven 1959-5-11 14225 Los Angeles North part of Topanga Canyon - Santa Monica Mountains 152 Comment
  RSA708578  Athysanus pusillus Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1164 Los Angeles Ridgetop above McDonald Creek. 427 Comment
  UC465989  Atriplex R. L. Pendleton 1909-7-2 1381 Los Angeles near cottage Santa Catalina Id. (Avalon, Santa Catalina Id); Santa Catalina Id, Avalon 6 Comment
  POM8908  Atriplex canescens W. R. Dudley 1896-06 s.n. Los Angeles Lancaster. Comment
  UC56426  Atriplex canescens Ernest Braunton Sept 1903 906 Los Angeles Glendale to Burbank; Glendale to Burbank Comment
  UCR265465  Atriplex coronata Jordan Zylstra 2015-6-5 15005 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  CAS-BOT-BC172641  Atriplex coulteri Carl B. Wolf 1932-5-11 3548 Los Angeles Santa Catalina Island. W. side of Isthmus Harbor 30 Comment
  UCR188680  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007- 06 Los Angeles South Coast, along Pacific Coast Highway at Escondido Beach, c. 5 miles west of Malibu near east base of Point Dume 30 Comment
  CLARK-A1528-2525  Atriplex lentiformis subsp. breweri John C. Roos 1948-9-15 Los Angeles Santa Monica Comment
  UC1136289  Atriplex lentiformis subsp. lentiformis R. St. John 1933-2-15 335 Los Angeles Pacific Palisades Calabasas Quad., Pacific Palisades Comment
  RSA478315  Atriplex leucophylla F. R. Fosberg 1930-6-23 S- 2991 Los Angeles Del Rey Comment
  NY1043447  Atriplex parishii S. B. Parish 10 1881 1119 Los Angeles Costa Station Comment
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Sep 7 2010
  CATA1245  Atriplex semibaccata Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2325 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA741087  Atriplex semibaccata Justin M. Wood 2008-11-20 236 Los Angeles ANF Road (1N36) / SCE access road W of Van Tassel Canyon. Above the city of Duarte. 305 Comment
  SBBG92290  Atriplex semibaccata A. C. Sanders 1987-12-4 7440 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCD97700  Atriplex semibaccata S. E. Hallam 1931-9-28 2261 Los Angeles 3715 Lewis Avenue, Long Beach. Comment
  POM50673  Atriplex serenana A. D. E. Elmer 1902-06 3984 Los Angeles Lancaster. Comment
  SEINET4136308  Atriplex torreyi Howard Stutz 1982-7-9 9027 Los Angeles Lancaster, California.; 0 Comment
  RSA0031715  Avena barbata Dana Roche 1998-5-26 21 Los Angeles Mt. Baldy Road 1.6 miles from the intersection of Mills Ave. and Mt. Baldy Rd. South side of the road. 579 Comment
  LA10993  Avena barbata Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA250659  Avena fatua R. F. Thorne 1971-4-2 41421 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont 549 Comment
  SEINET7873723 Image available Avena fatua G. Wallace 1979-1 1675 Los Angeles Along road in chaparralarea, Alta Vista Ave., Monrovia Comment
  SBBG127476  Avena sativa M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3020 Los Angeles Parson's Landing 4 Comment
  IRVC26938  Avena sativa A. C. Sanders, Andy Thompson 2003-4-17 26078 Los Angeles Newhall Ranch, NW of Magic Mountain amusement park, between M.M. and The Old Road, north of M.M. Parkway NE end of Santa Susana Mtns. 351 Comment
  UCD170029  Azolla filiculoides Louis C. Wheeler 1933-7-15 1941 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 121 Comment
  SBBG31113  Baccharis glutinosa R. F. Thorne 1966-4-29 36269 a Los Angeles Middle Ranch Cyn below turnoff to Ben Weston Beach 60 Comment
  RSA656414  Baccharis pilularis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 678 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  UCR267170  Baccharis plummerae D. E. Bramlet 2001-5-10 3142 Los Angeles Western Transverse Range; Santa Monica Mtns., Tuna Canyon, 3000 ft. east of Big Rock Dr., 2750 ft. south of Skyhawk Lane 427 Comment
  CAS-BOT-BC106764  Baccharis salicifolia Carl B. Wolf 1927-12-31 1464 Los Angeles Hill on Occidental College Campus Comment
  CATA66  Baccharis salicifolia Mark L. Hoefs, A. Douglas Propst 1973-3-3 46 Los Angeles Santa Catalina Island: Cottonwood Canyon, just below Escondido 213 Comment
  POM350364  Baccharis salicifolia Ora M. Clark 1929-2-3 1495 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA15634  Baccharis salicifolia C. B. Wolf 1927-12-31 1464 Los Angeles Occidental College Campus. Comment
  RSA128058  Bassia hyssopifolia P. H. Raven, H. J. Thompson 1959-9-6 14365 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  RSA279017  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
  RSA3831  Berberis nevinii C. B. Wolf 1927-7-27 682 Los Angeles 0.5 miles south of San Fernando Comment
  RSA0048505  Berberis nevinii Jack Pepper 1953-3-20 s.n. Los Angeles Encino park. Comment
  CAS-BOT-BC102041  Bidens laevis Cecil Hart 1922-10-6 s.n. Los Angeles Howard & Smith's nursery, Los Angeles Comment
  UCR210486  Bidens pilosa R. G. Swinney 2008-11-30 9865 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA258371  Bidens pilosa C. W. Tilforth 1974-12-24 976 Los Angeles [No locality information] Comment
  RSA155807  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA157742  Bituminaria bituminosa Wesley O. Griesel 1961-4-11 s.n. Los Angeles Millard Canyon 610 Comment
  LA21889  Bloomeria crocea Louis Wheeler; 1932-4-30 672 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SEINET10866702  Bloomeria crocea Ira W. Clokey Clokey 4543 Los Angeles Grassy ridge, Mandeville Canyon, Santa Monica Mountains 500 Comment
  HSC2999  Bloomeria crocea var. crocea David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  RSA367449  Bloomeria crocea var. crocea F. E. Durkee 1906-5-30 14767 Los Angeles Hollywood Canyon Comment
  RSA600137  Bloomeria crocea var. montana Steve Boyd, Lauren Raz 1997-5-29 9918 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA802054  Boechera arcuata Orlando Mistretta, Cher Batchelor, Neal Kramer 2011-7-25 5976 Los Angeles On Rincon Red Box Road, in the vicinity of Newcomb Peak. 1211 Comment
  RSA0128795  Boechera californica Thekla Mohr 1915-1 3033 Los Angeles Sister Elsie Trail, San Gabriel Mountains. Comment
  UCSB27912  Boechera pulchra Kunze, G. 1971-4-17 Los Angeles 245th Street; 4.6 miles south of Avenue D; Antelope Valley 914 Comment
  UCD114463  Boechera retrofracta Geoffrey Levin 1974-4-27 64 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. San Gabriel Mts. 731 Comment
  UC1971143  Boechera sparsiflora Scott D. White, D. E. Bramlet 1998-6-29 6821 Los Angeles 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 junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  RSA755669  Borago officinalis R. F. Thorne 1982-5-10 55185 Los Angeles City of Claremont 338 Comment
  SBBG118868  Borago officinalis S. D. White with J. Green 2004-4-23 10227 Los Angeles Pasadena, Arroyo Seco at La Loma Rd bridge crossing 213 Comment
  UCR190048  Boschniakia strobilacea R. G. Swinney 1998-8-27 6812 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  SD255607  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mountains: Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Road/Morgan Canyon, in dedicated open space. (Glendora 7.5'Q) 366 Comment
  UC37263  Bothriochloa barbinodis Dr. H. E. Hasse June 1888 Los Angeles Los Angeles Comment
  RSA527735  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4302 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SBBG108983  Bowlesia incana S. A. Junak 1997-3-7 SCl 739 Los Angeles just E of Camera Pad Horton 3, W side of Twin Dams Cyn 426 Comment
  RSA466767  Boykinia rotundifolia F. R. Fosberg, Joseph A. Ewan 1931-8-10 4913 Los Angeles Lower Pine Flats, N Fork San Gabriel [Canyon?], San Gabriel Mountains 1524 Comment
  RSA481882  Boykinia rotundifolia Richard Noyes 1988-9-18 740 Los Angeles San Antonio Canyon. Rocky wash behind San Antonio Dam. 701 Comment
  RSA584306  Boykinia rotundifolia T. S. Ross, W. Appleby 1993-6-7 7368 -B Los Angeles W end of the San Gabriel Mountains: Los Pinetos Spring. 887 Comment
  UCR190806  Boykinia rotundifolia R. G. Swinney, Dave Larson 1999-6-12 7549 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  RSA714519  Brachypodium distachyon A. C. Sanders, Lee Jones 2005-4-8 29344 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SEINET10937390  Brassica campestris David B. Dunn 1937-3-14 Dunn UMO 40311 Los Angeles Palos verdes. Comment
  RSA609526  Brickellia californica L. C. Wheeler 1952-10-11 6373 Los Angeles San Rafael Hills: Chevy Chase Drive. Comment
  SBBG98319  Brickellia nevinii F. Grinnell Jr. 1911-9-29 Los Angeles Bailey Cyn 762 Comment
  SEINET10570622  Brodiaea capitata Paul O. Schallert 1944-4-26 Schallert 2346 Los Angeles Monrovia Canyon Comment
  RSA0110563  Brodiaea jolonensis Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 SCa- 598 Los Angeles Santa Catalina Island. N of Airport Road, at S end of Whitley's Peak ridge. 417 Comment
  RSA582909  Brodiaea kinkiensis Mark A. Elvin, Gery Allan, Timothy S. Ross 1995-5-21 20 Los Angeles San Clemente Island: W side of island on upper terrace 1/4 mi. from Ridge Road to Stone Field Station. 244 Comment
  SBBG54251  Brodiaea kinkiensis F. C. Boutin 1967-4-23 1685 Los Angeles main rd, about 1 air mi S of Lemon Tank Comment
  POM364038  Bromus Robert M. Perkins 1936-2-23 95 Los Angeles Los Angeles. Comment
  RSA496669  Bromus arizonicus A. C. Sanders 1988-3-17 7732 Los Angeles El Segundo Dunes, immediately W of LA International Airport and Pershing Drive, E of Vista Del Mar Blvd., (Near 33 deg 56'N, 118 deg 26'W.) 30 Comment
  SEINET901459  Bromus arizonicus G. B. Grant 5 117 Los Angeles Pasadena Comment
  RSA611830  Bromus berteroanus Steve Boyd, J. Mark Porter, Z. Lederman 1998-4-27 10151 Los Angeles Mojave Desert: Antelope Valley, Amargosa Creek drainage at West G Street, west of Highway 14, southwest of Rosamond Dry Lake. 793 Comment
  RSA311352  Bromus carinatus var. carinatus R. F. Thorne, M. Z. Thorne 1969-7-10 38431 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  RSA719752  Bromus carinatus var. carinatus R. G. Swinney, Dave Larson 1996-7-17 5141 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  UC205224  Bromus carinatus var. carinatus I. M. Johnston 1917-7-1 1519 Los Angeles San Antonio Mountains, Browns Flats Browns Flats; San Antonio Mountains, Browns Flats 1371 Comment
  RSA594670  Bromus catharticus L. C. Wheeler 1967-7-30 10281 Los Angeles San Gabriel Mountains. Trail Canyon, Tom Lucas campground. 944 Comment
  RSA279046  Bromus diandrus R. F. Thorne 1971-4-23 41473 Los Angeles disturbed ground near Santa Anita Canyon Road. San Gabriel Mountains. 457 Comment
  SEINET3922291  Bromus diandrus Kelly Middleton, Kelly Middleton 1988-5-8 40 Los Angeles Glendora Ridge Roas, 5.7 miles west of Mt. Baldy Rd. intersection.; 0 1219 Comment
  SEINET4044520  Bromus diandrus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 365 Comment
  SFV21402  Bromus diandrus L. Gross, N. Fraga, B. Hogshead 2002-3-21 495 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. Near the main ridgetop south of Morning Glow. 412 Comment
  CAS-BOT-BC162073  Bromus pseudolaevipes G. B. Grant 1902-5-18 s.n. Los Angeles Los Angeles. Comment
  SBBG119283  Bromus pseudolaevipes V. Soza, L. Moore 1999-6-30 593 Los Angeles upper Winter Crk Trail; T1N R11W NW/4, NW/4 S3 853 Comment
  SBBG38839  Bromus rubens M. B. Dunkle 1939-4-4 7256 Los Angeles Pyramid Cove Comment
  UCR123807  Bromus rubens Steven R. Hill, K. Kramer 2001-4-22 33348 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR258835  Bromus rubens R. G. Swinney 2010-3-22 12041 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR184222  Bromus tectorum A. C. Sanders 2007-4-19 33442 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CDA29961  Cakile maritima Michael O Brien 2009-5-24 s.n. Los Angeles El Pescador State Beach. 0 Comment
  UCR192534  Calandrinia ciliata A. C. Sanders 2008-4-10 34831 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UC1136632  Calandrinia ciliata A. D. Gifford 1935-3-17 486 Los Angeles 3 mi from mouth of canyon; Angeles National Forest, Tejon Quadrangle, Elizabeth Canyon Comment
  SD234417  California macrophylla A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26263 Los Angeles Westerm San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons (Warm Springs Mtn 7.5'Q) 441 Comment
  CAS-BOT-BC80412  Calocedrus decurrens Timothy S. Ross; Steve Boyd 1994-9-21 8319 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route 1277 Comment
  CHSC5089  Calocedrus decurrens M. MacArthur 1967-7-16 74 Los Angeles Found at Charlton flat ca. 1 mi from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA172730  Calochortus catalinae Mark Parratt 1963-4-28 529 Los Angeles Isthmus area, Santa Catalina Island. Comment
  UC535509  Calochortus catalinae Ira W. Clokey, B. Templeton Apr 1929 4426 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  SBBG122014  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 749 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 585 Comment
  UCR182642  Calochortus invenustus R. G. Swinney 1997-6-25 5640 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  UCR205893  Calochortus kennedyi R. G. Swinney 2008-5-5 8754 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA641305  Calochortus kennedyi var. kennedyi Orlando Mistretta, Mark Elvin 1995-5-8 1686 Los Angeles San Gabriel Mountains. Comment
  RSA713239  Calochortus kennedyi var. kennedyi LeRoy Gross 2005-5-3 2231 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  UCR272980  Calochortus palmeri R. G. Swinney 2011-6-15 15175 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  POM123266  Calochortus plummerae H. E. Hasse 1890-06 s.n. Los Angeles Foothills, Sierra Santa Monica [Santa Monica Mountains]. Comment
  UCR255943  Calochortus plummerae D. E. Bramlet 2011-6-16 4876 Los Angeles Transverse Ranges; San Gabriel Mountains, upper Maple Canyon, 10 m SW of Angeles Forest Hwy and 1.4 km east of Big Tujunga Rd. 917 Comment
  UC3376  Calochortus splendens Dr. A. Davidson 1895-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC496763  Calochortus venustus W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Mtn. Campground 1676 Comment
  SBBG69698  Calyptridium monandrum R. Hoffmann 1931-5-2 Los Angeles Piru Crk, 5 mi above Piru Comment
  UCR282588  Calystegia macrostegia Dan S. Cooper 2017-5-25 517- 35 Los Angeles Los Angeles River at Newell St. 100 Comment
  CAS-BOT-BC224310  Calystegia macrostegia subsp. amplissima Reid Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island 500 Comment
  SBBG31554  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-3-18 317 Los Angeles W of Wilson Cove Comment
  RSA3497  Calystegia macrostegia subsp. intermedia C. B. Wolf 1932-5-9 3440 Los Angeles Opposite the tent city, Pebbly Beach, Santa Catalina island. Comment
  RSA394907  Calystegia macrostegia subsp. intermedia Gale Sphon 1955-3-4 s.n. Los Angeles Mulholland Drive, Los Angeles. Comment
  RSA698760  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Paul Morton 2004-6-10 1370 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  JEPS53274  Camelina microcarpa Frank W. Peirson 1922-7-7 3181 Los Angeles San Gabriel Mountain, Swartout Valley, Rangers Cabin Swartout Valley; San Gabriel Mountain, , Rangers Cabin 1798 Comment
  RSA729513  Camissonia R. G. Swinney 1999-7-5 7543 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
  POM3194  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  UCR192577  Camissonia boothii A. C. Sanders 2008-4-10 34823 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA465984  Camissonia boothii subsp. decorticans Anstruther Davidson 1906-6-6 1605 Los Angeles Big Rock Creek. Comment
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Jan 6 2007
  UCR232524  Camissonia boothii subsp. desertorum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8024 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, in abandoned trailer park, 120 m W of Sierra Highway, 660 m north of Avenue F 703 Comment
  UCR149894  Camissonia campestris R. G. Swinney 1999-6-18 7312 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA225995  Camissonia campestris subsp. campestris Robert F. Thorne, C. W. Tilforth 1971-6-29 40680 b Los Angeles Soledad Canyon: N slope San Gabriel Mountains, ca 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. Angeles National Forest. 884 Comment
  RSA725110  Camissonia campestris subsp. campestris Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -53 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA17168  Camissonia claviformis subsp. claviformis Percy C. Everett 1935-12-28 7920 Los Angeles Planting data: Wild flower nursery-12-28-35. Comment
  RSA597040  Camissonia hirtella Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3840 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  POM3333  Camissonia hirtella D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, Mts. above Claremont. 2134 Comment
  RSA75433  Camissonia ignota F. W. Peirson 1919-3-30 414 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  UCR197766  Camissonia pallida subsp. pallida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 45 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
  UCR214454  Camissonia palmeri A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37639 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1.8 mi. north of Quail Lake 1064 Comment
  RSA199193  Camissonia robusta Robert F. Thorne, D. Propst 1968-5-27 37643 Los Angeles Santa Catalina Island: behind dunes, Ben Weston Beach at mouth of Middle Ranch Canyon. Comment
  UC20434  Camissonia robusta Blanche Trask May 1896 Los Angeles Avalon Santa Catalina Island Comment
  RSA718289  Camissonia strigulosa R. G. Swinney, Dave Larson 1996-7-17 5126 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  LA26074  Camissoniopsis micrantha Harlan Lewis; 1954-4-3 sn Los Angeles Santa Monica Mountains, Point Dume Comment
  UCR229502  Cardamine Dan S. Cooper 2011-3-8 311- 39 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CDA6815  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  RSA0105050  Carduus pycnocephalus R. G. Swinney 2011-4-26 14489 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  UCR125935  Carduus pycnocephalus A. C. Sanders, Mark Elvin 2002-6-19 25170 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR150931  Carduus pycnocephalus Valerie Soza, LeRoy Gross 1999-5-10 459 Los Angeles San Gabriel Mountains, Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 378 Comment
  RSA573455  Carduus pycnocephalus Timothy S. Ross 1992-6-15 6554 Los Angeles Whittier Hills (W extremity of Puente Hills): upper end of Turnbull Canyon. 305 Comment
  SBBG128024  Carduus pycnocephalus M. L. Hoefs, S. A. Junak 1996-4-30 2682 Los Angeles rd past Parson's jct, toward W end, just before Starlight Beach 152 Comment
  RSA0127209  Carex Louis C. Wheeler 1967-7-15 10029 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC17678  Carex alma Timothy S. Ross; Steve Boyd 1994-5-24 7838 Los Angeles Liebre Mountains. Cottonwood Swamp: 515 Comment
  RSA0110582  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA639718  Carex athrostachya L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  CAS-BOT-BC19227  Carex barbarae I. M. Johnston 1918-8-18 2117 Los Angeles San Antonio Mountains. Live Oak Canyon. On west canyon side. 411 Comment
  JEPS48988  Carex fracta F. R. Fosberg and J. Ewan 1931-8-13 4960 Los Angeles above Crystal Lake; Big Cienega 1981 Comment
  RSA610539  Carex globosa L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon at Upper Clamshell Truck Trail. 1432 Comment
  UC115918  Carex hassei H. E. Hasse June 1897 Los Angeles San Antonio Canyon San Gabriel Mts. Comment
  CAS-BOT-BC118971  Carex pellita Ivan Murray Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along RR. 114 Comment
  CAS-BOT-BC117943  Carex schottii George Bernard Grant 1904-5-1 137 a Los Angeles Pasadena. Comment
  RSA0022644  Carex schottii Justin M. Wood 2012-3-20 4635 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  UC285004  Carex schottii P. A. Munz 1923-5-1 7775 Los Angeles Puddingstone Canyon San Dimas 243 Comment
  SD43381  Carex scopulorum Darley F. Howe 1947-3-22 Los Angeles Topango Canyon; stream bed Comment
  RSA588609  Carex senta Orlando Mistretta 1994-5-23 1243 A Los Angeles Little Rock Creek. Just N of jct. of Forest Road 4N15 and 4N04.3. 1220 Comment
  UCR147049  Carex subfusca L. C. Wheeler 1967-9-3 10622 Los Angeles Transverse Ranges; San Gabriel Mountains, 0.2 mile northeast of Bench Mark 'Twin ' at summit of Waterman Mountain 2363 Comment
  SEINET7577156 Image available Carex subfusca Timothy S. Ross, Steve Boyd 1990-5-17 2579 Los Angeles San Gabriel Mountains, Little Gleason Forestry Plantation, north side of Mt Gleason Road about the east headwaters of Gleason Canyon, and about 2 (air) miles E of Mt Gleason summit. Acton USGS 7.5' quadrangle. Forest Service tree plantation. 1682 Comment
  RSA760674  Castilleja applegatei R. G. Swinney 2008-8-13 9403 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 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
  CHSC95453  Castilleja applegatei subsp. martinii LeRoy Gross; Valerie Soza 2001-6-6 428 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  RSA295242  Castilleja applegatei subsp. martinii George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  RSA589223  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2923 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  UC1012249  Castilleja applegatei subsp. martinii Francis W. Pennell 1940-6-24 25997 Los Angeles s of Swartout; Pine Mountain 2438 Comment
  UC998920  Castilleja exserta P. O. Schallert 1944-4-28 Los Angeles Monrovia Comment
  SFV18459  Castilleja exserta C. Ferguson 1973-4-9 Los Angeles San Gabriel Mountains Placerita Canyon Park. Walker Ranch section. Comment
  RSA402089  Castilleja exserta subsp. exserta Thekla Mohr 1917-03 3460 Los Angeles San Gabriel Mountains. Comment
  LA200849  Castilleja foliolosa Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA4327  Castilleja foliolosa S. K. 1909-6-21 55 Los Angeles Claremont. Comment
  RSA596045  Castilleja foliolosa Tim S. Ross, J. Mark Porter 1995-5-4 8411 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA716666  Castilleja foliolosa Scott D. White, Pam De Vries 2006-5-10 11449 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SFV3334  Castilleja foliolosa C. Gasser 1956-3-3 Los Angeles San Gabriel Mountains 6 miles from Foothill Blvd. on Little Tujunga Canyon Road on mountainside. 762 Comment
  RSA515112  Castilleja grisea Aaron Liston, Orlando Mistretta, Rieseberg 1989-4-30 803 -1 Los Angeles San Clemente Island: Pyramid Head, S end of island 15 Comment
  RSA646281  Castilleja minor subsp. spiralis Orlando Mistretta 1992-7-14 715 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA652661  Castilleja minor subsp. spiralis Marion P. Harthill 1972-4-8 639 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest 457 Comment
  UCR151233  Castilleja plagiotoma LeRoy Gross, Et al. 2003-5-13 848 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UC57005  Castilleja subinclusa subsp. subinclusa H. M. Hall Apr 1902 3071 Los Angeles 10 mi w Palmdale; Antelope Valley Comment
  UCR205638  Catalpa speciosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37006 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA191349  Caulanthus amplexicaulis var. amplexicaulis R. F. Thorne, M. Z. Thorne 1967-7-19 37204 Los Angeles Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1950 Comment
  RSA0034574  Caulanthus cooperi B. C. Templeton, I. W. Clokey 1930-4-8 1035 Los Angeles West of Lancaster. 305 Comment
  JEPS79871  Caulanthus coulteri I. W. Clokey, B. Templeton 1930-4-8 4611 Los Angeles n Elizabeth Lake (Hillside); n of Elizabeth Lake 800 Comment
  UCSB26825  Caulanthus coulteri Flath, Carol 1963-5-3 Los Angeles Mint Canyon Campground, 7.7 miles north of Solemint on U.S. Highway 6 762 Comment
  CAS-BOT-BC40216  Caulanthus lasiophyllus Carl B. Wolf 1932-5-9 3496 Los Angeles Santa Catalina Island, along road to Renton Mine, about due west of Pebbly Beach. 304 Comment
  UC1971199  Caulanthus lasiophyllus Louis C. Wheeler 1968-4-17 Los Angeles SAN GABRIEL MOUNTAINS: Big Rock Creek, 3/4 mile north of Big Rock Springs. Comment
  UCR276780  Caulanthus lasiophyllus R. G. Swinney 2011-4-1 14309 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  CAS-BOT-BC39569  Caulanthus major Dr. A. Davidson 1893-7-1 s.n. Los Angeles Mojave Desert. Rock Creek. Comment
  UCR247282  Ceanothus Dan S. Cooper 2013-3-17 313- 50 Los Angeles Los Angeles, Elysian Park, east of baseball fields, near Angels Point Rd. 220 Comment
  CAS-BOT-BC47906  Ceanothus arboreus George B. Grant; Walter Wheeler 1904-4-21 1486146 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC47922  Ceanothus arboreus H. E. McMinn 1924-7-25 1314 Los Angeles Catalina Island Comment
  UC1234759  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit road Santa Catalina Island 243 Comment
  CHSC12153  Ceanothus crassifolius L. M. Mayer 1973-3-3 75 Los Angeles Locally abundant on the hillside, ca. 1.5 mi. nw of Honolulu Ave. and LaTuna Canyon Rd. junction and ca. 75 yds. w of LaTuna Canyon Rd. 457 Comment
  UCD162840  Ceanothus crassifolius D. O. Burge 2015-3-17 1690 Los Angeles Newhall Pass. 550 Comment
  UCSB17898  Ceanothus crassifolius Hennen, Diane 1963-4-18 Los Angeles La Crescenta Ravine, behind home at 2453 Teasley Street, La Crescenta 243 Comment
  LA30361  Ceanothus crassifolius Mary V. Hood; 1941-2-9 41- 10 k* Los Angeles Base of Angelus Crest Hwy Comment
  RSA127442  Ceanothus cuneatus H. J. Thompson 1959-3-22 1869 Los Angeles Lobo Canyon 1 mile west of Malibu Lake 274 Comment
  UCR229144  Ceanothus greggii Dan S. Cooper 2011-5-5 511- 61 Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  UC1595278  Ceanothus integerrimus Tim Ross and Peter Fritsch 1990-6-20 3685 Los Angeles Rincon-Red Box Rd (2N24) San Gabriel Mts. (ridgetop between W Fork San Gabriel River and Roberts Canyon.) 1328 Comment
  CAS-BOT-BC50555  Ceanothus leucodermis Alice Eastwood 1919-6-20 9020 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC50575  Ceanothus leucodermis W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  RSA0069201  Ceanothus leucodermis R. G. Swinney 2010-9-9 13778 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA774617  Ceanothus leucodermis R. G. Swinney 2009-7-29 11425 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR273039  Ceanothus leucodermis R. G. Swinney 2011-7-8 15521 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  RSA127429  Ceanothus megacarpus H. J. Thompson 1959-2-23 1853 Los Angeles Latigo Canyon road, 1.5 miles SE of Mulholland Hwy, W slope of Castro Peak 610 Comment
  CATA1105  Ceanothus megacarpus var. insularis M. B. Dunkle 1929-3-17 2059 Los Angeles Santa Catalina Island: Cape Canyon 0 Comment
  RSA399701  Ceanothus megacarpus var. insularis M. B. Dunkle 1938-12-30 2038 Los Angeles Santa Catalina Island. Upper Oak canyon Comment
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Jun 12 2014
  POM17614  Ceanothus oliganthus var. oliganthus P. A. Munz 1923-3-10 7322 Los Angeles Palmer Canyon Wash, north of Claremont. Wash west of North Indian Hill Boulevard. Comment
  RSA399743  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  RSA660402  Ceanothus oliganthus var. oliganthus Orlando Mistretta 1992-6-17 591 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  LA105069  Ceanothus spinosus Barry A. Prigge; 1988-7-3 8199 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA398931  Ceanothus spinosus Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  UC1071384  Ceanothus spinosus A. E. Wieslander 1933-3-27 285 Los Angeles Head of Topanga Creek 533 Comment
  UC18429  Ceanothus spinosus State Survey 1860-12-18 74 Los Angeles Sierra Santa Monica Comment
  RSA0028423  Ceanothus verrucosus Doris Bowers 1957-3-6 630 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  CDA19187  Centaurea maculosa J. Hartman 2001-5-22 PDR 067680 Los Angeles Southern California; Tanbark Flats, San Dimas Experimental Forest, 3 mi N of Glendora, Angeles National Forest. 0 Comment
  RSA649817  Centaurea melitensis Matt Brooks 1988-5-7 43 Los Angeles Whittier, Dark Canyon 1.6 miles east of its confluence with Sycamore Canyon. Comment
  SEINET9294580  Centaurea melitensis Unknown 2002-5-7 1253287 Los Angeles Los Angeles Comment
  RSA589062  Centaurium exaltatum Orlando Mistretta 1994-6-6 1323 Los Angeles Little Rock Creek. Slopes on east side of canyon S. of jct. of Forest Service roads 4N15 and 5N04.3. 1311 Comment
  RSA646083  Centaurium exaltatum Orlando Mistretta 1994-9-13 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Canyon Section. 2738 Comment
  SEINET209378  Centaurium venustum C. J. Lovell 1941-7-1 246 Los Angeles Atadena. San Gabriel Mts. Comment
  CDA6630  Centranthus ruber T. S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road Comment
  SEINET3372080  Centromadia parryi subsp. australis G. Rink 2011-6-6 10596 Los Angeles Just south of the Triple Clays Shooting Range in Whittier, weedy place 55 Comment
  RSA679870  Centrostegia thurberi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 871 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  SBBG62323  Centrostegia thurberi R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  SD51883  Cerastium glomeratum Peter H. Raven 1962-4-10 17210 Los Angeles San Clemente Island; summit of Thirst. 579 Comment
  SFV21673  Cercis occidentalis J. N. Hogue 2009-4-16 336 .1 Los Angeles Santa Monica Mountains Zuma Canyon, Backbone Trail west of Newton Canyon. 450 Comment
  RSA453289  Cercocarpus betuloides Elbert Benjamine 1929-2-24 61 Los Angeles Laurel Canyon, Hollywood Comment
  SEINET264531  Cercocarpus betuloides Smith, Stoddart 1939-4-12 Los Angeles San Dimas Experimental Forest ; unspecified Comment
  CAS-BOT-BC142104  Cercocarpus betuloides var. betuloides W. R. Dudley 1907-11-18 s.n. Los Angeles Near Monrovia Comment
  CAS-BOT-BC142116  Cercocarpus betuloides var. betuloides Carl B. Wolf 1932-5-9 3478 Los Angeles Left (E) Fork of Pebbly Beach Canyon, 1/3 mi. above Mexican houses - Santa Catalina Island 152 Comment
  JEPS45545  Cercocarpus betuloides var. betuloides C. E. Hutchinson 1892-7-20 Los Angeles Old Mt. Wilson Trail; San Gabriel Mountains, Old Mt. Wilson Trail 609 Comment
  RSA453268  Cercocarpus betuloides var. betuloides L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  RSA449414  Cercocarpus betuloides var. blancheae Anstruther Davidson 1893-08 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC279527  Chaenactis artemisiifolia Javier Penalosa 1961-5-21 1508 Los Angeles San Gabriel Canyon Comment
  SEINET3146198  Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  HSC24310  Chaenactis fremontii J. Milano 1968-4-27 4 Los Angeles ca. 15 miles NE of Newhall on Escondido Cyn. Rd. just S of Hwy 14 in Mojave Desert 945 Comment
  UCR155358  Chaenactis glabriuscula A. C. Sanders 2005-5-5 29870 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  RSA648719  Chaenactis glabriuscula Hasmig Babayan 1981-4-26 3 Los Angeles West for trail of San Gabriel river off CA Hwy 39. Comment
  RSA16274  Chaenactis glabriuscula var. glabriuscula C. B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts. 1/2 mile east of Gorman. 1159 Comment
  UC221537  Chaenactis glabriuscula var. glabriuscula A. D. E. Elmer 1902-6-1 3702 Los Angeles Acton Comment
  RSA228859  Chaenactis santolinoides R. F. Thorne 1971-6-26 39991 Los Angeles Angeles National Forest:, Chilao Flat near entrance. 1616 Comment
  SFV4941  Chaenactis santolinoides M. H. Grayum 1971-7-9 s. n. Los Angeles San Gabriel Mountains Dawson Summit, Angeles Crest Highway. 2409 Comment
  UCR206436  Chaenactis santolinoides R. G. Swinney 2008-6-10 8985 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  RSA755975  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-12 2419 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  CAS-BOT-BC279715  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile west of Coe Field fence 1036 Comment
  SDSU7119  Chaenactis xantiana D. F. Howe 1948-5-4 1792 Los Angeles Goode Pass, western San Gabriel Mts. 914 Comment
  RSA724900  Chamaesyce K. Dobry 1991-6-28 d- 885 Los Angeles Santa Monica Mts. Las Virgenes Rd. & Mulholland Hwy. at Soka Univ., E. Section Comment
  HSC7983  Chamaesyce albomarginata C. S. Apperson 1967-6-3 Los Angeles 12 mi. W on Ave. D off of the Sierra Hwy. 762 Comment
  SFV21973  Chamaesyce maculata A. Baznekian 2011-8-23 6 .1 Los Angeles Los Angeles Basin Glendale. 522 harvard St. 145 Comment
  RSA498533  Chamaesyce melanadenia Robert M. Perkins 1936-6-30 4198 Los Angeles E side San Dimas Canyon near dam San Gabriel Mts. 442 Comment
  JEPS52358  Chamaesyce serpyllifolia R. L. Pendleton 1909-7-3 1398 Los Angeles canyon s Avalon; Santa Catalina Island 22 Comment
  CDA2728  Chasmanthe floribunda Michael O Brien 2003-4-13 MOB 22 -03 Los Angeles Topanga State Park near the headquarters compound. 0 Comment
  RSA685709  Cheilanthes covillei L. E. Hoffman 1931-12-23 s.n. Los Angeles [Chilao] Flats Comment
  RSA586981  Cheilanthes covillei Orlando Mistretta 1992-5-8 315 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  POM122863  Cheilanthes newberryi Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona. Comment
  RSA535736  Cheilanthes newberryi T. S. Ross 1991-5-23 5485 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 3 Comment
  RSA133815  Chenopodium ambrosioides H. J. Thompson 1959-11-23 3006 Los Angeles South shore of Upper Franklin Canyon Reservoir. 259 Comment
  CHSC98104  Chenopodium berlandieri LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1041 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. 393 Comment
  RSA0049481  Chenopodium berlandieri Richard G. Swinney 2010-8-16 13519 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA587488  Chenopodium berlandieri Orlando Mistretta 1994-9-13 1479 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago creek near jct. of Forest Road 4N20 and BM 3980. 1159 Comment
  SBBG14794  Chenopodium berlandieri P. H. Raven 1961-10-15 17846 Los Angeles San Gabriel River at Atherton Street, Long Beach 1 Comment
  RSA481992  Chenopodium botrys Richard Noyes 1988-9-18 743 Los Angeles San Antonio Canyon. Rocky wash behind San Antonio Dam. 701 Comment
  SBBG98472  Chenopodium californicum T. Ross 1991-5-23 5496 Los Angeles lower Tota Cyn, E escarpment 82 Comment
  SEINET3860071  Chenopodium californicum R. G. Swinney 2009-4-2 10250 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
  UC450877  Chenopodium californicum Fay A. Macfadden 1931-3-20 14 E Los Angeles Tuna Canyon Verdugo Hills 335 Comment
  CDA3119  Chenopodium multifidum L. C. Wheeler 1947-4-13 6466 Los Angeles San Gabriel Mountains; San Gabriel Mountains: Ridge on south side of Millard Canyon.. Elev. 2100 Feet. Comment
  RSA4812  Chenopodium murale James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Station #4, Plant #3. Comment
  SD75642  Chenopodium murale M. B. Dunkle 1939-4-3 7222 Los Angeles in gravelly stream bed, Chenetti stream gorge, San Clemente Island Comment
  CLARK-A1528-2568  Chenopodium pumilio John C. Roos 1937-7-7 1769 Los Angeles San Gabriel Mountains Comment
  CLARK-A1528-4571  Chloris gayana John C. Roos, Alfred R. Roos 1950-9-16 4987 Los Angeles Los Angeles 60 Comment
  UCR259564  Chorizanthe coriacea R. G. Swinney 2010-4-1 12132 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  CAS-BOT-BC244723  Chorizanthe staticoides Margaret Stason 1927-5-14 s.n. Los Angeles Bouquet Canyon, San Gabriel Mountains Comment
  LA91492  Chorizanthe staticoides Bruce Douglas Clayton; Greg Shaw 1972-4-15 93 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  RSA712911  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-4-16 26045 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  SD41997  Chorizanthe staticoides Darley F. Howe 1947-5-4 1571 Los Angeles Mint Canyon Comment
  UCR261333  Chorizanthe staticoides R. G. Swinney 2010-3-24 12176 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCSB1350  Chorizanthe staticoides Kamb, Peter 1948-6-26 Los Angeles Little Tujunga Road at ridge dividing Pacoima and Bear Canyons, San Gabriel Mts. 822 Comment
  CAS-BOT-BC32831  Chorizanthe staticoides var. staticoides Adolph Daniel Edward Elmer 1902-6-1 3689 Los Angeles Acton Comment
  RSA621303  Chorizanthe watsonii Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR189253  Chorizanthe watsonii R. G. Swinney 1998-5-16 6075 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR214630  Chrysanthemum coronarium A. C. Sanders, Dan S. Cooper 2010-3-12 37366 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CDA20157  Chrysanthemum coronarium M. O'Brien 2003-5-18 MOB 18 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  RSA0022256  Chrysolepis sempervirens Duncan S. Bell, Caitlin Elam 2013-8-1 5554 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  RSA188561  Chrysolepis sempervirens Robert F. Thorne 1965-8-26 35353 Los Angeles San Gabriel Mountains; Angeles National Forest, near top of Blue Ridge SE of Holiday Hill Ski Lift 2561 Comment
  UCSC001120  Chrysolepis sempervirens Peter Kamb 1947-9-28 740 Los Angeles ridge west of Mt. Hawkins Mt. Hawkins - San Gabriel Mts. 2438 Comment
  RSA594197  Chrysothamnus nauseosus subsp. consimilis Steve Boyd, Lauren Raz 1996-10-14 9055 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  SBBG62933  Chrysothamnus viscidiflorus R. Hoffmann 1931-10-1 Los Angeles below Bob's Place, Mint Cyn Comment
  UCR258755  Cirsium occidentale var. coulteri R. G. Swinney 2010-5-25 12960 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  SEINET5507006 Image available Cirsium occidentale var. coulteri James Henrickson 1979-5-23 18170 Los Angeles 7 mi N of newhall in Dry Canyon; S of Dry Canyon Reservoir 396 Comment
  RSA748443  Cirsium occidentale var. occidentale Orlando Mistretta 1992-8-20 764 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  CAS-BOT-BC438754  Cistanthe monandra Le Roy Abrams 1901-4-7 1412 Los Angeles Verdugo Hills Comment
  RSA010941  Cistanthe monandra Fay A. MacFadden 1930-4-30 1628 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA466598  Cistanthe monandra Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC438959  Cistanthe monosperma Tim Ross; Steve Boyd 1991-4-25 4586 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River). 731 Comment
  UCR238094  Clarkia affinis Mark A. Elvin, Cathleen Weigand 2003-5-22 2890 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  LA45531  Clarkia bottae Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA453455  Clarkia bottae Anstruther Davidson 1908-05 s.n. Los Angeles Sierra Madre. Comment
  POM246438  Clarkia epilobioides F. R. Fosberg 1931-4-10 S- 4549 Los Angeles Avalon Canyon, Santa Catalina Island. 140 Comment
  SFV4907  Clarkia epilobioides M. H. Grayum 1971-5-19 s. n. Los Angeles Santa Monica Mountains Along Cold Creek Road north of Monte Nido. 305 Comment
  UC1871302  Clarkia heterandra T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3895 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
  CSUSB236  Clarkia purpurea J. Operskalski 1976-5-5 Los Angeles West Los Angeles, Mulholland Drive, vicinity of 405 freeway. Comment
  CAS-BOT-BC163704  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1906-5-27 33 Los Angeles Garvanza Comment
  CAS-BOT-BC163716  Clarkia purpurea subsp. quadrivulnera F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  POM153235  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-5-19 58 Los Angeles Palmer s Canyon. 850 Comment
  RSA567172  Clarkia rhomboidea Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3910 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA586709  Clarkia rhomboidea Orlando Mistretta, Mark A. Elvin 1995-6-20 1806 Los Angeles San Gabriel Mountains, Bare Mountain Canyon. 1555 Comment
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Aug 20 2014
  RSA73356  Clarkia rhomboidea F. W. Peirson 1922-6-3 3087 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  LA45505  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM214269  Clarkia unguiculata Louis C. Wheeler 1932-5-25 759 Los Angeles Santa Monica Mountains: Sepulveda Canyon. 244 Comment
  RSA303919  Clarkia unguiculata Jim R. Shevock 1970-4-24 149 Los Angeles Foothills of San Gabriel Mountains 427 Comment
  UCR143554  Clarkia xantiana subsp. xantiana Orlando Mistretta, Steve Boyd 1995-5-23 1730 Los Angeles Transverse Ranges; San Gabriel Mtns., Bare Mountain Canyon 1905 Comment
  UC7952  Claytonia exigua subsp. exigua A. Davidson 1892-1 Los Angeles Comment
  RSA0080435  Claytonia parviflora R. G. Swinney 2010-5-19 12796 Los Angeles 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. 1335 Comment
  UCR205908  Claytonia parviflora R. G. Swinney 2008-5-5 8778 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR273389  Claytonia parviflora R. G. Swinney 2011-3-18 14149 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  SDSU9790  Claytonia parviflora subsp. parviflora Lorenzo Cook 1932-3-22 Los Angeles Arroyo Seco. Canyon. 154 Comment
  RSA526556  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4242 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SFV11223  Claytonia perfoliata D. K. Shayne 1966-3-23 150 Los Angeles Santa Monica Mountains 2 miles west of the San Diego Freeway (405) on Mulholland Drive. Comment
  UCR126589  Claytonia perfoliata A. C. Sanders 2003-4-17 26073 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR190037  Claytonia perfoliata R. G. Swinney 1998-6-16 6974 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA679285  Clematis lasiantha Mark A. Elvin, Anne Marie Ruff 1996-8-1 306 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. Comment
  POM340  Clematis ligusticifolia C. F. Baker 1903-8-2 3458 Los Angeles Hills N of Claremont Comment
  UC1125911  Clematis ligusticifolia Jerome S. Horton 1936-8-12 380 Los Angeles Tanbark Pomona Quad., N. Fork San Dimas Watershed, Tanbark 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
  POM96  Clematis pauciflora I. M. Johnston 1918-6-2 s.n. Los Angeles Mouth of San Antonio Canyon. San Antonio Mts 610 Comment
  RSA545248  Cleome isomeris D. Propst 1973-3-3 45 Los Angeles Santa Catalina Island; Road just above Escondido. 229 Comment
  RSA603000  Cleome isomeris L. C. Wheeler 1933-4-27 1673 Los Angeles N base San Pedro Hills near Walteria. 30 Comment
  UCR130053  Cnicus benedictus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4049 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  RSA0076348  Collinsia callosa H. M. Hall 1900-6-3 1492 Los Angeles Swarthout Canyon, San Antonio Mountains. 2012 Comment
  CAS-BOT-BC240950  Collinsia parryi Geo. B. Grant 1905-5-4 s.n. Los Angeles Pasadena Comment
  JEPS4627  Collinsia parryi F. W. Peirson 1918-6-1 193 Los Angeles ne Altadena; San Gabriel Mts., Eaton Canyon 914 Comment
  RSA787525  Collinsia torreyi var. wrightii Jane Tirrell 2012-5-21 LS 0052 Los Angeles Along the Pacific Crest Trail crossing Claude's Ridge; approximately 0.25 miles west of Mt Hawkins 2614 Comment
  POM18357  Collomia grandiflora P. A. Munz 1923-6-9 6917 Los Angeles Canyon, Six miles north of Elizabeth Lake. Comment
  CDA4032  Colutea arborescens subsp. gallica T. S. Ross, Walter Appleby 1993-6-8 7373 Los Angeles Western San Gabriel Mountains: Bear Divide; off the west side of Little Tujunga Road, just east of the Forest Service Station Comment
  RSA0034701  Comarostaphylis diversifolia var. planifolia Meryl B. Dunkle 1928-3-4 1712 Los Angeles Orizaba Canyon, Santa Catalina Island. 289 Comment
  RSA394859  Convolvulus simulans Anstruther Davidson 1914-5-1 2964 Los Angeles near Point Fermin Comment
  POM4074  Conyza bonariensis D. L. Crawford 548 Los Angeles Claremont. Comment
  UCR24894  Cordylanthus maritimus subsp. canescens A. C. Sanders 1980-8-17 1770 Los Angeles Antelope Valley, marshy area at the SW edge of Rosamond Dry Lake about 1/2 mi east of the E end of Ave. 'C 671 Comment
  RSA226991  Cordylanthus nevinii Robert F. Thorne 1971-8-25 41239 Los Angeles Angeles National Forest: Mt. Baden-Powell, north slope along trail to Vincent Gap 2012 Comment
  JEPS70068  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-29 2850 Los Angeles above (ne) Bouquet Reservoir; San Gabriel Mts. 944 Comment
  RSA537701  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-30 2852 Los Angeles Oak Flats Camground north of Whitaker summit, 10 air miles northwest of Castair. 640 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
  UC34674  Coreopsis bigelovii H. M. Hall 1902-4-29 3027 Los Angeles s side Mohave Desert; , Mescal Creek 1371 Comment
  UCR282032  Coreopsis bigelovii R. G. Swinney 2014-4-24 16236 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  UC1536842  Coreopsis calliopsidea G. H. True Jr. 1935-3-28 183 Los Angeles 2 mi s of Palmdale (.5 mi e of main highway) Comment
  CAS-BOT-BC101023  Coreopsis gigantea Carl B. Wolf 1932-5-14 3631 Los Angeles Santa Catalina Island, between Avalon & Pebbly Beach 30 Comment
  CAS-BOT-BC105678  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-16 s.n. Los Angeles Los Angeles 152 Comment
  CAS-BOT-BC105742  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11336 Los Angeles Small brushy hill at n.w. end of U.C.L.A. campus, Los Angeles Comment
  UC895239  Corethrogyne filaginifolia Carl B. Wolf 1932-10-6 4244 Los Angeles w side Avalon; Santa Catalina Island 60 Comment
  UCD130884  Cotula australis W. M. Philipson 1915-1 s.n. Los Angeles Monrovia. Comment
  RSA762295  Cotula australis Orlando Mistretta, Christine Mistretta 2008-5-6 2660 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  CATA139  Cotula coronopifolia Mark L. Hoefs, A. Douglas Propst 1973-3-14 103 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  RSA250639  Crassula connata R. F. Thorne 1971-4-2 41414 Los Angeles Johnson's Pasture, N. of Mountain Avenue, Claremont 549 Comment
  RSA586539  Crassula connata T. S. Ross 1991-4-28 4760 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA653698  Crassula connata Valerie L. Soza, Laura Moore 2000-5-10 859 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  RSA595532  Crassula connata var. erectoides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Placerita Canyon 457 Comment
  CATA1243  Cressa truxillensis Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2321 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  SBBG78934  Cressa truxillensis F. R. Fosberg 1931-5-16 4880 Los Angeles Little Harbor 2 Comment
  CAS-BOT-BC175844  Crossosoma californicum George B. Grant; Walter Wheeler 1904-4-21 235 /6149 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  LA200764  Croton californicus Norman A. Cole; May 1964 405 .8 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  RSA639736  Croton californicus L. C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 350 Comment
  SBBG133176  Croton setiger B. C. Templeton 1967-7-23 10172 Los Angeles Whitney Cyn; T3N R16W NW1/4 S12 Comment
  UCR124380  Croton setiger I. W. Clokey, B. C. Templeton 1929-1 4599 Los Angeles Western Transverse Range; Santa Monica Mtns., Westwood, east of Mandeville Canyon 200 Comment
  UCR126820  Croton setiger A. C. Sanders 2003-6-19 26971 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR189880  Cryptantha R. G. Swinney 1998-7-27 6490 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
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Dec 6 2018
  LA31586  Cryptantha clevelandii Henry J. Thompson; 1959-5-31 2058 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  UCR276927  Cryptantha corollata R. G. Swinney 2011-3-29 14274 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
  OBI70980  Cryptantha decipiens Steve Boyd, Lauren Raz 1997-4-30 9594 Los Angeles Liebre Mts Region: about the confluence of Bear Cyn and Pine Cyn, between the S flank of Liebre Mtn and N flank of Red rock Mtn, SW of Gillette Mine 914 Comment
  RSA0011593  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5702 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.5 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1076 Comment
  RSA729580  Cryptantha decipiens R. G. Swinney 1999-4-5 7059 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
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Jan 12 2019
  RSA729203  Cryptantha echinella R. G. Swinney 1998-7-14 6450 Los Angeles Pine Mountain Ridge; 0.8 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2262 Comment
  LA36516  Cryptantha intermedia Peter H. Raven; 1960-5-15 15370 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  UCR126601  Cryptantha intermedia A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR255789  Cryptantha intermedia R. G. Swinney 2010-3-10 11824 Los Angeles San Gabriel Mountains, 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. 488 Comment
  POM368251  Cryptantha intermedia Geo L. Moxley 1917-4-3 s.n. Los Angeles Hills near Chatsworth. Comment
  RSA586476  Cryptantha micrantha var. lepida Orlando Mistretta 1995-6-20 1787 Los Angeles Bare Mountain Canyon. Head of drainge E of Pacifico mtn at end of Forest Rd 3N7E. 2073 Comment
  UCR200216  Cryptantha microstachys Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 880 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
  LA94315  Cryptantha muricata W. O. Griesel; 1936-4-26 sn Los Angeles Santa Monica Mountains, Temescal Canyon, not specific Comment
  SBBG63610  Cryptantha muricata M. N. Ackley -Feb-1928 Los Angeles Eagle Rock 243 Comment
  UC306199  Cryptantha muricata D. L. Crawford 1916-3-1 Los Angeles above Claremont 914 Comment
  UCR151374  Cryptantha muricata Scott D. White, Kent Hughes 2000-5-17 7878 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope 671 Comment
  UCR270162  Cryptantha muricata var. denticulata R. G. Swinney 2011-7-21 15527 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA0079270  Cryptantha muricata var. muricata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8571 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N05, 6.2 road miles from jtn with 8N05. 1174 Comment
  RSA0119544  Cryptantha nevadensis var. rigida R. G. Swinney 2014-4-30 16259 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
  RSA725108  Cryptantha nevadensis var. rigida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -50 Los Angeles San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR261882  Cryptantha nevadensis var. rigida Tim Thomas 2014-5-4 6290 Los Angeles Mojave Desert, Antelope Valley, 2.6 miles north of Neenach, just east of aqueduct just south of Ave A 884 Comment
  RSA756794  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-21 2510 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  UCR281655  Cryptantha pterocarya var. pterocarya R. G. Swinney 2014-5-7 16338 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  RSA0079048  Cryptantha pterocarya var. pterocarya Ralph Hoffman 1930-4-19 s.n. Los Angeles Lancaster. 712 Comment
  UCR89459  Cryptantha similis T. S. Ross, Steve Boyd, L. Arnseth 1991-4-30 4970 Los Angeles San Gabriel Mtns., Soledad Canyon Wash, c. one-half mi. east of Acton. 829 Comment
  RSA613499  Cucurbita foetidissima L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1676 Comment
  CHSC5098  Cuscuta M. MacArthur 1967-7-16 83 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  UCR147263  Cuscuta Orlando Mistretta 1992-8-17 749 Los Angeles Transverse Ranges; San Gabriel Mountains, Haines Canyon Trail, Tujunga Ranger District. 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
  SEINET905828 Image available Cuscuta Louis C. Wheeler 1946-1 6226 Los Angeles 1 mile N. of Covina Comment
  RSA409690  Cuscuta californica Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  SFV20794  Cuscuta californica L. Gross 2002-6-24 548 Los Angeles Verdugo Mountains North side off La Tuna Canyon Road (Santa Monica Mountains Conservancy land). 518 Comment
  RSA293400  Cuscuta californica var. californica Reino Alava, R. C. Bacigalupi 1958-7-21 2247 Los Angeles Little Rock Creek about three miles above Little Rock Lake, along forest service. Canyon of the south fork of Little Rock Creek. 1158 Comment
  SEINET12277951  Cuscuta ceanothi I. W. Clokey, Templeton, B. 1929-1 4590 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  SBBG58173  Cuscuta denticulata R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR178888  Cuscuta subinclusa R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, Colby Fire Break c. 100 yds. south of Glendora Mtn. Rd. 473 Comment
  CDA21172  Cuscuta subinclusa Adams 2007-5-2 PDR 1252120 Los Angeles South Coast; I-405 between Getty Center and Sunset. 0 Comment
  RSA788543  Cyathea cooperi John R. Clark, T. Dvorak, Charlie de la Rosa, S. Ratay, T. M. Summers 2011-6-23 1020 Los Angeles Santa Catalina Island, Twin Rocks. 218 Comment
  RSA0097546  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18407 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 394 Comment
  UCR282011  Cylindropuntia echinocarpa R. G. Swinney 2014-4-30 16307 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  SBBG98653  Cynodon dactylon T. Ross 1991-5-20 5366 Los Angeles upper S branch of un-named drainage that empties to sea just N of Jack Pt lighthouse 167 Comment
  UCR214650  Cynodon dactylon A. C. Sanders, Dan S. Cooper 2010-4-30 38141 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA603548  Cyperus eragrostis Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2384 Los Angeles Santa Catalina Island. By upper Cape Canyon Reservoir. 323 Comment
  POM1355  Cyperus erythrorhizos Anstruther Davidson 1917-1 s.n. Los Angeles Streets of Los Angeles. Comment
  RSA586974  Cystopteris fragilis Orlando Mistretta, Steve Boyd 1995-5-23 1715 Los Angeles San Gabriel Mtns, Bare Mtn Canyon, W side tributary drainage NE of Pacifico Mtn. 1784 Comment
  CHSC98051  Cytisus striatus LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1073 Los Angeles Transverse Ranges: Verdugo Mountains Region: 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
  RSA584176  Dactylis glomerata Timothy S. Ross, Steve Boyd 1990-5-15 2529 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  CAS-BOT-BC189873  Dactyloctenium aegyptium A. C. Sanders; Mark Elvin; Cathleen Weigand; et al 2002-8-6 25552 Los Angeles Santa Clara River Valley. North of Highway 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  SD233691  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand, et al 2002-8-6 25552 Los Angeles Santa Clara river Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  RSA305915  Datisca glomerata Fay A. MacFadden 1933-6-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  UCR95739  Datisca glomerata Lauren Raz, Steve Boyd 1996-10-23 036 Los Angeles San Gabriel Mtns, Liebre Mountains: Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road 610 Comment
  UCR205647  Datura stramonium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36940 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR125955  Datura wrightii A. C. Sanders, Mark Elvin 2002-6-19 25148 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UC1400360  Daucus pusillus Robert F. Thorne 1973-4-11 42862 Los Angeles middle portion Norton Canyon (San Clemente Isl.); San Clemente Isl. 274 Comment
  SBBG52619  Deinandra clementina F. R. Fosberg 1931-5-17 4887 Los Angeles Little Harbor 3 Comment
  SD92005  Deinandra clementina Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-25 22693 Los Angeles San Clemente Island, on cliff in Iwo Jima Gulch, a tributary of China Canyon 170 Comment
  CAS-BOT-BC299276  Deinandra fasciculata Carl B. Wolf 1932-5-10 3524 Los Angeles Along the equestrian trail, back of Avalon, Santa Catalina Island 259 Comment
  CAS-BOT-BC299301  Deinandra fasciculata Moxley; Grinnell 1916-6-15 484 Los Angeles Near Santa Susanna Pass Comment
  CAS-BOT-BC299317  Deinandra fasciculata Alice Eastwood 1919-7-4 9304 Los Angeles Santa Monica Canyon, Los Angeles Comment
  LA209911  Deinandra fasciculata Norman A. Cole; 1937-8-20 Los Angeles Santa Monica Mountains Comment
  UCSB10380  Deinandra fasciculata McElwain, Isabelle 1953-5-16 Los Angeles 18000 Bull Canyon Rd., Granada Hills Comment
  CAS-BOT-BC294078  Deinandra kelloggii David D. Keck 1933-9-19 2534 Los Angeles Brea Canyon, 3 mi. N. of Orange County line Comment
  RSA394509  Delphinium cardinale N. C. Cooper 1949-6-18 4190 Los Angeles San Gabriel Wash 366 Comment
  RSA724606  Delphinium cardinale K. Dobry 1991-6-28 d- 871 Los Angeles Santa Monica Mts. Las Virgenes Rd. and Mulholland Hwy. at Soka Univ., E. Section Comment
  RSA398699  Delphinium parishii T. H. Holmes 1933-4-22 s.n. Los Angeles Mohave Desert Comment
  UC64118  Delphinium parishii subsp. parishii H. M. Hall June 1899 1243 Los Angeles San Antonio Mts. 1752 Comment
  SFV21045  Delphinium parryi L. Gross, V. Soza 2001-6-6 437 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  CAS-BOT-BC116279  Delphinium parryi subsp. parryi George B. Grant 1901-6-7 s.n. Los Angeles Laurel Canon Comment
  JEPS79884  Delphinium parryi subsp. parryi C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4751 Los Angeles Bouquet Canyon 800 Comment
  SBBG71774  Delphinium parryi subsp. parryi R. Hoffmann 1925-5-16 Los Angeles Mint Cyn Comment
  UC1126094  Delphinium patens subsp. hepaticoideum Jerome S. Horton 1936-4-20 302 Los Angeles San Dimas Canyon trail to flumes 4 and 5; Pomona Quadrangle, San Dimas Watershed Comment
  UCSB1968  Delphinium patens subsp. hepaticoideum Wedberg, Lee 1954-4-10 Los Angeles Upper Arroyo Seco Canyon 914 Comment
  CAS-BOT-BC82821  Dendromecon harfordii Carl B. Wolf 1932-10-5 4227 Los Angeles Santa Catalina Island, 1/3 mile from Black Jack Mine on road to Middle Ranch. 457 Comment
  UC855089  Dendromecon rigida I. W. Clokey and B. C. Templeton May, 1929 4488 Los Angeles Mandeville Canyon Santa Monica Mts. (ridge) 250 Comment
  RSA433202  Dendromecon rigida subsp. rhamnoides M. B. Dunkle 1928-4-21 1875 Los Angeles Renton Mine Hill, Santa Catalina Island. Comment
  SD31163  Descurainia pinnata subsp. halictorum Edith A. Purer 1931-2-21 154 Los Angeles Palos Verdes Hills Comment
  RSA0068311  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles 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
  SBBG131673  Desmazeria rigida S. A. Junak 1999-5-20 SCa 940 Los Angeles head of Escondido Cyn, along Cottonwood-Black Jack Rd, 1.1 mi E of reservoir in Cottonwood Cyn, open ridgetop 304 Comment
  RSA433531  Dicentra chrysantha Bonnie C. Templeton 1932-7-21 5028 Los Angeles West Blue Ridge, San Gabriel Mtns. 2134 Comment
  RSA720429  Dicentra ochroleuca H. C. Ackley 1927-05 1953 Los Angeles Mulholland Drive, Los Angeles. Comment
  RSA652838  Dichelostemma capitatum subsp. capitatum Roxanne Smith 1991-5-12 22 Los Angeles Hills about 0.6 mile south-east of Golden Springs and Diamond Bar Blvd. Comment
  RSA747510  Dichelostemma capitatum subsp. capitatum Justin M. Wood 2009-3-13 357 Los Angeles SW corner of Claremont Blvd and Foothill Blvd. Open space area on the campus of Pitzer College. 398 Comment
  RSA709685  Dichelostemma capitatum subsp. capitatum LeRoy Gross 2005-4-28 2175 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  SEINET8476559  Dichelostemma capitatum subsp. pauciflorum I. W. Clokey 1938-5-17 7875 Los Angeles Lovell Canyon. 1600 Comment
  RSA583042  Dichondra occidentalis T. S. Ross 1993-4-22 6887 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); 1400m ESE of Cactus Peak Summit. 393 Comment
  RSA0028692  Diplacus Darron David 1992-5-15 7 Los Angeles Hacinda [Hacienda] Heights, 3.5 miles south of the intersection of Coli ma [Colima] Rd. and Haliburton Rd., respectively. Comment
  OBI50365  Diplacus fremontii R. A. Oyler 1975-5-3 604 Los Angeles One mi N of Holcomb Ridge, 2 mi W of Largo vista, 1 mi S of Fort Tejon rd, Pear Blossom 1230 Comment
  SD38169  Diplacus longiflorus Edith A. Purer 1931-3-5 1552 Los Angeles Griffith Park, hillsides Comment
  CATA842  Distichlis spicata Mark L. Hoefs 1991-6-26 1442 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  UCR187102  Distichlis spicata A. C. Sanders 2006-5-16 32336 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  UCR206418  Distichlis spicata R. G. Swinney 2008-6-9 8949 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA0087133  Distichlis spicata M. B. Dunkle 1939-4-7 7331 Los Angeles San Clemente Island. Pyramid Cove. Comment
  SEINET4567381  Distichlis spicata G. Grant 1904-6-5 289 Los Angeles Redondo Comment
  SEINET10564526  Distichlis spicata var. stricta F. R. Fosberg 1931-5-14 Fosberg S 4871 Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon, Santa Catalina Island. Bottom of ravine. Upper Sonoran Zone. Comment
  RSA124711  Dodecatheon clevelandii subsp. clevelandii E. K. Balls, Percy C. Everett, R. J. Shaw 1958-1-8 22849 Los Angeles 4 mi. n. of Claremont, sw. of San Antonio Dam. 579 Comment
  RSA574349  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 1994-4-8 2758 Los Angeles Glendora Wilderness Park. 457 Comment
  RSA69036  Dodecatheon redolens F. W. Peirson 1921-7-17 2516 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  RSA66555  Draba corrugata var. corrugata F. W. Peirson 1920-9-12 4184 Los Angeles Summit of Baldy (Mt. San Antonio) 3049 Comment
  UCD113101  Drymocallis glandulosa Kenneth A. Wilson 1961-3-10 961 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile W of Topanga Canyon Road. Comment
  RSA638862  Drymocallis glandulosa var. glandulosa Valerie L. Soza, Laura Moore 1999-6-30 597 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA0105492  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  SBBG77003  Dryopteris arguta F. R. Fosberg 1932-6-6 8127 Los Angeles Big Wash Cyn, Avalon 50 Comment
  RSA670681  Dudleya cymosa B. C. Templeton 1947-5-21 6278 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA610974  Dudleya cymosa subsp. pumila L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel Canyon, ca. 1/4 mile upstream from Alder Gulch. 1158 Comment
  RSA83372  Dudleya cymosa subsp. pumila F. W. Peirson 1919-7-7 262 Los Angeles open space along south edge of Ontario Peak 2590 Comment
  UC1601947  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-15 1646 Los Angeles head South Fork Lytle River; San Antonio Mtns 1828 Comment
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Nov 23 2013
  LA201040  Dudleya lanceolata Peter H. Raven; Henry J. Thompson 1959-5-24 2026 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA0110505  Dudleya lanceolata R. G. Swinney 2010-6-1 13141 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CAS-BOT-BC411385  Dudleya lanceolata LeRoy Abrams 1902-6-15 2546 Los Angeles Sepulveda Canyon, Santa Monica Comment
  CAS-BOT-BC109627  Dudleya multicaulis Dr. H. E. Hasse 1891-5-1 s.n. Los Angeles Near Santa Monica. Comment
  SD129827  Dudleya virens T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island. Comment
  RSA798120  Dysphania botrys Jane Tirrell, Graham Bothwell, Walter Fidler, Shirley Imsand, Rich Philibosian 2012-7-27 LS 0135 Los Angeles South side California State Route 2 at mile marker 66.82 2295 Comment
  UCR256192  Dysphania botrys R. G. Swinney 2010-6-4 13057 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  OBI69172  Echinochloa colona Louis C. Wheeler 1970-10-15 s.n. Los Angeles Huntington Dr and Collins Ave Comment
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Oct 17 2014
  CAS-BOT-BC445601  Echinodorus berteroi Dr. A. Davidson 1893-8-13 s.n. Los Angeles Garvanza Comment
  LA202601  Ehrendorferia ochroleuca Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA631384  Ehrharta calycina Valerie L. Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. 868 Comment
  UCR205092  Ehrharta calycina R. G. Swinney 2008-4-10 8644 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA714061  Ehrharta erecta G. Ocampo 2006-3-19 1668 Los Angeles Foothill Ave. esquina con Darthmouth, en frente del Colegio Harvey Mudd; lado S de avenida. Claremont. Comment
  SEINET271521 Image available Ehrharta erecta Scott D. White 1996-3-18 3840 Los Angeles Marina Del Rey area; Ballona Ck floodplain and adjacent N-facing slope W of Lincoln Bl and S of Jefferson Bl Ca 10-100 3 Comment
  RSA187815  Elatine californica R. F. Thorne 1966-4-6 35898 Los Angeles Santa Catalina Island: below Catalina Airport 436 Comment
  UC557649  Eleocharis macrostachya Nell Murbarger May 1936 231 Los Angeles canyon at S end of island, at base of rubble from an Indian cave dwelling San Clemente Island Comment
  UC56636  Eleocharis montevidensis Ernest Braunton Jul 1902 560 Los Angeles L. A. River Comment
  RSA750099  Eleocharis palustris R. G. Swinney 2008-4-30 8697 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  POM8742  Eleocharis palustris Phillip A. Munz, R. D. Harwood 1920-5-15 3957 Los Angeles Near Santa Monica. 152 Comment
  UCR259192  Eleocharis parishii Mitch Provance, Callen Huff 2009-4-29 10695 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  RSA596174  Eleocharis parishii L. C. Wheeler 1946-8-28 6296 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  RSA597508  Eleocharis parishii L. C. Wheeler 1961-6-9 7847 Los Angeles Mouth of Alder Creek, off Big Tujunga Canyon 1051 Comment
  SEINET7586931 Image available Eleocharis parishii Louis C. Wheeler 1966-9-21 8892 Los Angeles San Gabriel Mountains, north fork San Gabriel River, 1/4 mi downhill from intersection of main road with road to upper Bichota Canyon. 853 Comment
  UCR130502  Eleusine indica R. E. Riefner Jr. 2003-8-17 03- 338 Los Angeles South Coast, city of Long Beach, vicinity of Veterans Stadium, Conant St. near intersection with Faculty Ave. 19 Comment
  CAS-BOT-BC208521  Elymus W. R. Dudley 1900-7-9 s.n. Los Angeles Between Mt. Markham and San Gabriel Peak. Comment
  UCR277014  Elymus R. G. Swinney 2010-9-30 13926 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
  UCR271157  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-14 15128 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA0085032  Elymus glaucus R. G. Swinney 2010-6-21 13274 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA773823  Elymus glaucus R. G. Swinney 2009-6-3 11033 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR154197  Elymus glaucus A. C. Sanders, T. B. Salvato 2005-5-24 30249 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR189696  Elymus glaucus R. G. Swinney 1998-7-24 6573 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  RSA651795  Elymus glaucus C. J. Humphrey, Herbert Humphrey 1936-6-5 16 Los Angeles Along banks of stream in Mts. 90 miles north of Los Angeles. On Hgw 99. 609 Comment
  CAS-BOT-BC206759  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-24 6418 Los Angeles Brown's Gulch, Draining to San Gabriel Canyon at the base of San Gabriel Dam - San Gabriel Mountains 475 Comment
  POM1297  Elymus glaucus subsp. glaucus I. M. Johnston 1917-7-1 1518 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM222281  Elymus glaucus subsp. glaucus L. C. Wheeler 1936-6-21 4162 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  UC1583152  Elytrigia intermedia subsp. intermedia Tim Ross and Steve Boyd 1990-5-14 2471 Los Angeles Yerba Buena Ridge Angeles National Forest, San Gabriel Mountains, Tujanga Rang 1127 Comment
  LA81944  Emmenanthe penduliflora O. H. Kappler; 1941-5-25 277 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM199694  Emmenanthe penduliflora I. W. Clokey, Bonnie C. Templeton 1929-04 4497 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA653775  Emmenanthe penduliflora J. Bogdanoff-Lord 1989-5-5 3 f Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA226246  Emmenanthe penduliflora var. penduliflora Gary D. Cromwell 1971-4-30 615 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains 2 miles NE of Glendora. 457 Comment
  SFV3874  Encelia actoni K. A. Wilson 1961-4-26 1163 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  UCR223719  Encelia actoni R. G. Swinney 2009-6-17 11209 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CATA576  Encelia californica Mark L. Hoefs 1991-4-7 1014 Los Angeles Santa Catalina Island: Hillside next to road south-east of Little Harbor 22 Comment
  POM356649  Encelia californica Ora M. Clark 1928-12-23 1378 Los Angeles W. San Pedro Comment
  SBBG133187  Encelia californica V. Englert, E. Howe and W. F. Hoyer 2010-4-6 SERG 10 -35 Los Angeles Pyramid point, Land's End rock spine above tide pools 30 Comment
  UC1118055  Encelia californica P. L. Johannsen 1934-2-19 294 Los Angeles Boquet Canyon Santa Susana Quadrangle, Boquet Canyon Comment
  UCR100610  Encelia californica B. G. Pitzer 1996-5-5 2852 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  CHSC101345  Ephedra viridis Sula Vanderplank; LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -37 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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
  CAS-BOT-BC166206  Epilobium canum subsp. canum Steven A. Junak 1996-9-28 SCI- 677 Los Angeles San Clemente Island: W side of island, in Box Canyon, ca. 0.5 miles downstream from Triangulation Point Snapper 304 Comment
  CAS-BOT-BC166214  Epilobium canum subsp. canum Louis C. Wheeler 1931-11-11 342 Los Angeles N side Santa Monica Mts. near Girard 426 Comment
  POM2976  Epilobium canum subsp. canum L. T. Street 1918-11-3 s.n. Los Angeles San Jose Hills. Comment
  RSA550706  Epilobium canum subsp. canum Tim S. Ross, Annette Ross 1991-7-29 5687 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA588386  Epilobium canum subsp. canum Thekla Mohr 2750 Los Angeles Sierra Madre. Comment
  CAS-BOT-BC171919  Epilobium canum subsp. latifolium Peter H. Raven; Henry J. Thompson 1958-10-11 13764 Los Angeles 0.7 miles south of junction of roads at summit, Saddle Peak, Santa Monica Mountains 746 Comment
  CAS-BOT-BC171922  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barrett Canyon, off San Antonio Canyon, San Gabriel Mts. 1310 Comment
  JEPS44023  Epilobium canum subsp. latifolium Frank W. Peirson 1920-9-13 2282 Los Angeles San Antonio Canyon San Gabriel Mountains 2133 Comment
  RSA230263  Epilobium canum subsp. latifolium Robert F. Thorne 1969-7-2 38303 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  RSA0058199  Epilobium ciliatum Richard G. Swinney 2010-6-23 13359 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
  POM18159  Epilobium ciliatum subsp. ciliatum P. A. Munz 1923-10-7 7788 Los Angeles Bouquet Canyon, Saugus. Comment
  RSA0106503  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-7-29 15570 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA72175  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1951-08 s.n. Los Angeles Kewen Lake, Pasadena Comment
  UC921172  Epilobium foliosum Kay H. Beach 1943-6-16 1759 Los Angeles San Dimas Experimental Forest 944 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
  LA94795  Epipactis gigantea David S. Verity; sn Los Angeles Comment
  UCR208113  Equisetum hyemale subsp. affine L. C. Wheeler 1932-5-4 679 Los Angeles Transverse Range; San Gabriel Mtns., San Dimas Canyon 381 Comment
  LA5304  Equisetum laevigatum A. M. Johnson; 1928-4-7 299 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  RSA0092268  Equisetum laevigatum R. G. Swinney 2010-9-13 13830 Los Angeles San Gabriel Mountains: 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
  UCR108408  Eragrostis pectinacea var. pectinacea L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  RSA421761  Eremocarpus setiger House, Grumbles 1930-8-5 s.n. Los Angeles San Clemente Island. Comment
  RSA0104343  Eriastrum densifolium subsp. austromontanum R. F. Thorne, M. Z. Thorne 1969-7-9 38489 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA0104858  Eriastrum densifolium subsp. austromontanum Orlando Mistretta 1992-7-9 662 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA0097776  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
  CAS-BOT-BC514415  Eriastrum densifolium subsp. mohavense Elizabeth F. Sprague 1968-7-6 s.n. Los Angeles Roadside at Vincent, jct of Hwy 14 and N3, S of Palmdale Comment
  IRVC28993  Eriastrum sapphirinum A. C. Sanders 2003-6-18 26935 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  JEPS116831  Eriastrum sapphirinum David Gowen 2007-5-10 713 Los Angeles Sandy wash area opposite housing development on Sand Canyon Rd., several miles east of Sierra Hwy and Mint Canyon, and northwest of Hwy 14. Comment
  SD237547  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-5-13 10771 Los Angeles Transverse Range: San Gabriel Mountains: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  CAS-BOT-BC514936  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-6-1 3710 Los Angeles Aston Comment
  RSA0122877  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 1997-6-12 5566 Los Angeles San Gabriel River Canyon north of Morris Dam, at private shore NE of dam. 426 Comment
  RSA0121275  Eriastrum sapphirinum subsp. dasyanthum D. E. Bramlet 1976-5-27 53 a Los Angeles California State Polytechnic University campus. Found east of upper parking lot (behind the health center). 274 Comment
  RSA0121288  Eriastrum sapphirinum subsp. dasyanthum B. C. Templeton 1935-6-23 4789 Los Angeles Azusa. Comment
  SD41986  Eriastrum sapphirinum subsp. dasyanthum Darley F. Howe 1947-5-3 Los Angeles Highway near west end of Mint Canyon. Comment
  SD90390  Ericameria cooperi var. cooperi Robert F. Thorne 1973-5-11 43493 Los Angeles San Gabriel Mountains; 0.5 mile north of Bob's Gap, nborth slope of Holcomb Ridge. 1160 Comment
  RSA0076960  Ericameria linearifolia R. G. Swinney 2010-5-19 12820 Los Angeles 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. 1335 Comment
  UCR281673  Ericameria linearifolia R. G. Swinney 2014-4-10 16056 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  HSC79887  Ericameria palmeri var. pachylepis James Henrickson 1972-11-2 8093 Los Angeles 4 mi. N of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Road 366 Comment
  RSA735586  Ericameria parishii K. Palenscar 2007-08 s.n. Los Angeles Peninsular Ranges, Chino Puente Hills region, in the City of Walnut, near the San Jose Hills, just N of the intersection of Breas River road, and Amar road. 262 Comment
  SD68970  Ericameria parishii var. parishii Robert F. Thorne, M. Z. Thorne 1966-8-29 36596 Los Angeles San Gabriel Mountains, Angeles National Forest. along highway from Crystal Lake to Islip Saddle 1615 Comment
  SFV13414  Ericameria parishii var. parishii W. M. Perry Sep 1980 116 Los Angeles San Gabriel Mountains Cattle Canyon. Comment
  CAS-BOT-BC293033  Ericameria parryi var. parryi Bunch; Baily 1974-8-15 0519 Los Angeles West edge of site, south of Honor Camp ent. Comment
  OBI5701  Ericameria pinifolia Carl B. Wolf 1931-10-20 2465 Los Angeles 1/2 mi above Montrose on the road from Tujunga to La Canada, San Gabriel mts 457 Comment
  SEINET13387003 Image available Ericameria pinifolia R. G. Swinney 2011-1 15688 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge (Chilao Flat 7.5' Q.) (T3N R12W S35) 1009 Comment
  UCR271174  Erigeron foliosus R. G. Swinney 2011-7-8 15496 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-BC296169  Erigeron foliosus var. foliosus F. Grinnell Jr. 1910-6-23 s.n. Los Angeles Strawberry Ridge, San Gabriel Mts. 1676 Comment
  RSA0082415  Erigeron foliosus var. foliosus R. G. Swinney 2010-9-7 13682 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  UC1536742  Erigeron foliosus var. foliosus G. H. True Jr. 1938-6-22 892 Los Angeles near Valyermo; Big Rock Ranch 762 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
  CHSC683  Eriodictyon crassifolium 1940-3-10 Los Angeles Temescal Canyon, Ridge Route 914 Comment
  SFV2962  Eriodictyon crassifolium K. A. Wilson 1962-5-10 1265 Los Angeles San Gabriel Mountains Placerita Canyon Road, about 2 miles east of Highway 6. 490 Comment
  CAS-BOT-BC376584  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 135 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway Comment
  LA205616  Eriodictyon crassifolium var. nigrescens Carl Epling; May 1925 sn Los Angeles Mint Canyon Comment
  RSA747738  Eriodictyon crassifolium var. nigrescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12693 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SBBG65118  Eriodictyon crassifolium var. nigrescens R. Hoffmann 1931-8-22 Los Angeles Mt Wilson 1676 Comment
  UC1124384  Eriodictyon crassifolium var. nigrescens Jerome S. Horton 1936-5-4 317 Los Angeles on West Fork Road divide between North Fork and West Fork San Dimas Canyon; Pomona Quad., , West Fork Rd. Comment
  UCR273194  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-7-8 15493 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCSB38081  Eriodictyon traskiae subsp. traskiae Blakely, E. 1962-10-5 Los Angeles NE side of Black Jack Mt. at junction of Island Road and Whites Landing Road, Santa Catalina Island 381 Comment
  RSA455077  Eriodictyon trichocalyx Bonnie C. Templeton 1930-6-11 1098 Los Angeles Franks [Franklin] Canyon, near Mulholland Drive Comment
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Jan 12 2008
  UC1211013  Eriodictyon trichocalyx Huron H. Smith 1912-5-3 4944 Los Angeles Azusa 243 Comment
  RSA773291  Eriogonum R. G. Swinney 2009-6-24 11272 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  CAS-BOT-BC248474  Eriogonum angulosum Frank W. Peirson 1921-11-11 4202 Los Angeles Elizabeth Lake Comment
  IRVC28810  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA5500  Eriogonum baileyi var. baileyi Carl B. Wolf 1932-8-11 s.n. Los Angeles 8 miles below Big Pine Park on road to Little Rock, north slope of San Gabriel Mountains 1372 Comment
  UCR256564  Eriogonum baileyi var. baileyi Anuja Parikh, Nathan Gale 2011-6-24 3501 Los Angeles Transverse Ranage; San Gabriel Mountains, south of Iron Mountain, 1.5 km east of Angeles Forest Hwy, 1.3 km south of Monte Cristo Creek 1390 Comment
  UCR232379  Eriogonum brachyanthum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8040 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 820 m north of Avenue N 776 Comment
  RSA127971  Eriogonum cinereum Peter H. Raven 1959-10-25 14695 Los Angeles Arroyo Sequit 1.6 miles north of Coast Hwy. 137 Comment
  RSA0012414  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 2011-6-16 5696 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
  RSA176261  Eriogonum cithariforme var. agninum Robert F. Thorne 1963-7-11 32778 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  UCR239045  Eriogonum covilleanum Anuja Parikh, Nathan Gale 2010-6-5 3261 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 2.0 km west of State Hwy 14, 0.5 km south of Avenue S 935 Comment
  POM50045  Eriogonum davidsonii L. R. Abrams 1901-7-10 1889 -B Los Angeles San Gabriel Mountains: Wilson's Peak Comment
  UCR272629  Eriogonum davidsonii R. G. Swinney 2011-8-5 15597 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  POM293141  Eriogonum elongatum var. elongatum Lyman Benson 1946-10-16 12211 Los Angeles U. S. 99, valley just south of second summit north of Castaic. 762 Comment
  RSA782512  Eriogonum fasciculatum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 1 Los Angeles Angeles National Forest: Sawmill Mountain. Road 7N08 turn from Co Hwy N2, first major dirt road crossing. Comment
  SDSU6552  Eriogonum fasciculatum H. Wedberg 1966-4-3 1209 Los Angeles Above Hill Dr. and Neal, i nEagle Rock. 457 Comment
  UCD99973  Eriogonum fasciculatum Elise Jackson 1993-5-6 23 Los Angeles Eddleston Park, Reseda Blvd. at Calle Vista Circle. Comment
  RSA575101  Eriogonum fasciculatum var. polifolium R. G. Swinney 1994-6-12 2939 Los Angeles Eastern San Gabriel Mountains: ca. 200 m west of Boneyard Canyon, 2 miles S of Hwy 138, just W of San Bernardino County line 1341 Comment
  RSA660764  Eriogonum fasciculatum var. polifolium Jeff Weiler 1981-4-26 33 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  CAS-BOT-BC253470  Eriogonum gracile LeRoy Abrams 1900-8-1 1041 Los Angeles Ballona Harbor Comment
  IRVC28808  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-18 25136 Los Angeles Newhall Ranch, "Sawtooth Ridge" area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 NE end of Santa Susana Mtns. 366 Comment
  RSA620019  Eriogonum gracile var. gracile LeRoy Gross 1998-11-21 105 Los Angeles San Gabriels Mountains.: Above Henninger Flats. On the Idlehour Trail. 976 Comment
  CAS-BOT-BC252231  Eriogonum grande var. grande Carl B. Wolf 1932-10-6 4248 Los Angeles Santa Catalina Island. W. side of Avalon 60 Comment
  RSA523298  Eriogonum mohavense G. H. True 1935-4-19 274 Los Angeles Lovejoy Butte. 854 Comment
  CHSC111504  Eriogonum nudum var. pauciflorum Duncan S. Bell; Caitlin Elam 2013-7-11 5369 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mt. Wilderness; eastern flanks of Mt. Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA729307  Eriogonum parishii R. G. Swinney 1998-7-2 6231 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  LA201187  Eriogonum parvifolium Norman A. Cole; May 1964 346 Los Angeles 3 Comment
  RSA393062  Eriogonum parvifolium var. parvifolium F. R. Fosberg 1931-8-30 S 5618 Los Angeles El Segundo 15 Comment
  RSA0096803  Eriogonum saxatile R. G. Swinney 2011-9-27 15700 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA293436  Eriogonum saxatile Reino Alava, R. C. Bacigalupi 1958-7-20 2211 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway (CA Hwy. 2), upper slopes of Little Rock Creek Canyon 2073 Comment
  RSA617229  Eriogonum saxatile LeRoy Gross 1998-8-22 48 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  UCR271181  Eriogonum saxatile R. G. Swinney 2011-9-27 15700 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  SBBG127070  Eriogonum thurberi A. Parikh, N. Gale 2011-6-18 3487 Los Angeles Aliso Cyn, 1.4 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1112 Comment
  POM2307  Eriogonum thurberi Unspecified 1909-1 s.n. Los Angeles Claremont. Comment
  POM2308  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles In San Gabriel Wash. 152 Comment
  CAS-BOT-BC263600  Eriogonum trichopes A. D. E. Elmer 1902-6-1 3642 Los Angeles Palmdale Comment
  RSA0099412  Eriogonum umbellatum var. minus R. G. Swinney 2011-8-5 15593 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  UC586859  Eriogonum umbellatum var. minus Joseph Andorfer Ewan 1934-8-9 8309 Los Angeles about summit Mount Williamson San Gabriel Mts., Mount Williamson 2499 Comment
  CAS-BOT-BC268212  Eriogonum umbellatum var. munzii F. Grinnell Jr. 1917-8-28 s.n. Los Angeles Pine Flats, San Gabriel Mountains 1615 Comment
  CAS-BOT-BC264992  Eriogonum wrightii var. subscaposum Le Roy Abrams 1901-8-1 1931 Los Angeles Mt. San Antonio 3048 Comment
  POM122957  Eriogonum wrightii var. subscaposum Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley. Comment
  RSA423072  Eriogonum wrightii var. subscaposum Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UC1584885  Eriogonum wrightii var. subscaposum Tim Ross, Steve Boyd 1991-7-24 5625 Los Angeles ridge nne Granite Mountain; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad. 1865 Comment
  UC586868  Eriogonum wrightii var. subscaposum Joseph Andorfer Ewan 1934-8-11 8337 Los Angeles Chilao San Gabriel Mts., Chilao 1645 Comment
  CAS-BOT-BC297944  Eriophyllum confertiflorum Timothy S. Ross; J. Mark Porter 1995-5-4 8431 Los Angeles Liebre Mts. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Rd 585 Comment
  HSC5620  Eriophyllum confertiflorum David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  POM183627  Eriophyllum confertiflorum Joseph A. Ewan 1929-5-18 3422 Los Angeles Las Flores Canyon Comment
  RSA579237  Eriophyllum confertiflorum Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7413 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped canyon to NE of upper Forrestal Drive 168 Comment
  RSA748915  Eriophyllum confertiflorum R. G. Swinney 2008-5-2 8726 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR259655  Eriophyllum confertiflorum R. G. Swinney 2010-9-1 13668 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  SEINET11850714  Eriophyllum confertiflorum H. W. Graham 1927-1 9 /9/2015 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, near Los Angeles Comment
  LA203574  Eriophyllum confertiflorum var. confertiflorum Geo. L. Fisher; 1920-7-12 sn Los Angeles San Gabriel Mountains, Mount Wilson 548 Comment
  LA83325  Eriophyllum confertiflorum var. confertiflorum O. H. Kappler; 1944-6-4 662 Los Angeles San Gabriel Mountains, Soledad Canyon, near Sand Canyon 365 Comment
  UCR76406  Eriophyllum confertiflorum var. confertiflorum T. S. Ross 1992-4-14 6155 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  RSA92655  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1919-5-10 409 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
Read comments
Aug 21 2014
  POM358092  Eriophyllum nevinii Larry E. DeBuhr, Gary D. Wallace 1972-9-3 705 Los Angeles San Clemente Island, near base of Canyon at south end of cove south of Eel Point. 91 Comment
  UCR261782  Eriophyllum wallacei R. G. Swinney 2010-5-11 12672 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
  SFV20810  Erodium botrys L. Gross, N. Fraga 2002-4-4 504 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 606 Comment
  RSA251397  Erodium botrys Robert F. Thorne 1966-4-17 36083 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  RSA573560  Erodium botrys Tim S. Ross 1992-6-15 6583 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnball Canyon. 232 Comment
  RSA716212  Erodium botrys Andrea Edwards, Pam DeVries 2006-4-11 86 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC1871172  Erodium cicutarium T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4834 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA638930  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  LA82188  Erodium moschatum O. H. Kappler; 1941-2-25 91 Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  OBI70655  Eruca vesicaria Louis C. Wheeler 1955-4-12 7124 Los Angeles Chavez Ravine, Los Angeles. Vacant lot at Coronel and Adobe Street Comment
  UCR271045  Erysimum capitatum R. G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  POM548  Erysimum suffrutescens I. M. Johnston 1917-6-10 1312 Los Angeles Playa del Rey. Comment
  UCR214606  Erysimum suffrutescens A. C. Sanders, Dan S. Cooper 2010-3-12 37387 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC1614259  Eschscholzia Charles M. Belshaw 1935-3-29 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); w. antelope Valley, La Liebre Scarp Comment
  UCR197195  Eschscholzia caespitosa Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 728 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  RSA318985  Eschscholzia californica T. S. Elias, Walter Wisura 1984-7-25 8521 Los Angeles N of Malibu, Point Dume, Comment
  UC855135  Eschscholzia californica Marcus E. Jones, A. M. 1882-2-27 3038 Los Angeles Pasadena Comment
  SEINET10313730  Eschscholzia californica I. Clokey 1942-4-19 5973 Los Angeles West Arcadia Comment
  SEINET3160688  Eschscholzia elegans G. B. Grant, W. Wheeler 1904-4-21 419 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off southern California Comment
  CATA69  Eschscholzia ramosa Mark L. Hoefs 1973-3-11 53 Los Angeles Santa Catalina Island: Renton Mine Road 213 Comment
  RSA150917  Eschscholzia ramosa Peter H. Raven 1962-4-10 17233 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  SBBG38859  Eschscholzia ramosa M. B. Dunkle 1939-4-2 7213 Los Angeles Pyramid Pt Comment
  RSA0010827  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  UCR117120  Eucalyptus citriodora A. C. Sanders, D. Malueg 2001-5-17 24323 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  POM7010  Eucrypta chrysanthemifolia P. A. Munz, G. Williams 1919-4-5 2434 Los Angeles Puddingstone Canyon, San Dimas. Comment
  RSA0092554  Eucrypta chrysanthemifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14321 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA746624  Eucrypta chrysanthemifolia R. G. Swinney 2008-4-10 8636 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA151311  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17719 Los Angeles Near head of canyon north of Thirst (south side), San Clemente Island. 427 Comment
  RSA420817  Eucrypta chrysanthemifolia Reid V. Moran, Bonnie C. Templeton 1941-3-6 683 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  RSA545281  Eucrypta chrysanthemifolia D. Propst, Mark Hoefs 1973-3-3 8 Los Angeles Santa Catalina Island: Upper middle Ranch Canyon south. 305 Comment
  UCR85808  Eucrypta chrysanthemifolia var. chrysanthemifolia T. S. Ross 1991-3-24 4311 Los Angeles Whittier Hills (Puente Hills, pro parte) 311 Comment
  OBI69418  Eucrypta chrysanthemifolia var. chrysanthemifolia Dominique Joyner 1994-4-23 17 Los Angeles Santa Monica Mts. Mulholland 0.3 mi in on Stunt Rd from Mulholland hwy area has been burned within the last 2 yrs 1500 Comment
  UCR255826  Euphorbia albomarginata R. G. Swinney 2010-5-12 12738 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
  CLARK-A1528-2701  Euphorbia maculata John C. Roos 1942-9-12 1756 Los Angeles Los Angeles Comment
  LA32304  Euphorbia maculata Peter H. Raven; 1959-10-25 14698 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SD181545  Euphorbia maculata Louis C. Wheeler 1945-9-21 6160 Los Angeles San Gabriel Mountains; Kinneloa Canyon. 1075 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
  CDA4864  Euphorbia peplus Phillipson 1915-5-1 Los Angeles Monrovia. Comment
  RSA652508  Euphorbia peplus Jim Reutzel 1994-5-29 500 Los Angeles Cal Poly Pomona campus. Up behind the water tower on the closest hill in the northeast portion of the campus, near the university house. Hills behind the Cal poly Pomona Univ. campus. Comment
  UCR265506  Euphorbia polycarpa Dan S. Cooper 2015-3-18 315- 1 Los Angeles Los Angeles Basin/Western Transverse Range, Eastern Santa Monica Mtns/Hollywood Hills, at Hollywood Bowl 216 Comment
  SD186182  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle. 267 Comment
  SD224945  Euphorbia terracina Daryl Koutnik 1996-3-14 Los Angeles Santa Monica Mtns: Corral Canyon Road abuut 1/4 mi. N of Pacific Coast Highway, at crossing of Solstice Canyon. 10 Comment
  UC1241146  Euryops speciosissimus Peter H. Raven 1959-3-18 13871 Los Angeles Arcadia Los Angeles State and County Arboretum, Arcadia Comment
  UCR152451  Festuca arundinacea A. C. Sanders, Lee Jones 2005-4-8 29338 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR265530  Festuca myuros Dan S. Cooper 2015-3-28 315- 31 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, just north of observatory 335 Comment
  UCR114218  Festuca myuros var. hirsuta A. C. Sanders, D. Malueg 1998-6-24 22079 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  UCR86832  Festuca octoflora Scott D. White 1995-4-27 2959 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
  CAS-BOT-BC500439  Ficus microcarpa R. E. Riefner, Jr. 2014-8-11 14 -288 Los Angeles City of Long Beach, Belmont Shores, N side of Ocean Blvd. between Quincy Ave. and Park Ave. 4 Comment
  RSA0113950  Ficus microcarpa R. E. Riefner Jr. 2015-8-15 15 -222 Los Angeles City of Malibu, N. side of Pacific Coast Highway, E. ca. 0.25 mi from Coastline Dr. 15 Comment
  RSA639247  Filago californica R. F. Thorne, M. Z. Thorne 1971-4-25 41342 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  RSA618676  Filago gallica L. C. Wheeler 1967-5-18 9612 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  JEPS17495  Foeniculum vulgare Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  RSA586292  Forestiera pubescens Orlando Mistretta 1995-2-28 1528 Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  SFV2744  Forestiera pubescens R. L. Armacost 1933-7-4 12 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  SEINET5318848  Frankenia grandifolia G. B. Grant 1903-1 469 Los Angeles Redondo Comment
  SBBG106885  Frankenia salina M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-26 2484 Los Angeles Little Harbor 3 Comment
  UC55882  Frankenia salina Ernest Braunton May 1902 310 Los Angeles Gardena Comment
  RSA0126999  Frasera neglecta Louis C. Wheeler 1967-8-1 10216 Los Angeles Angeles National Forest. Granite Mt. 2012 Comment
  RSA0062521  Fraxinus dipetala R. G. Swinney 2010-6-4 13066 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
  RSA723063  Fraxinus uhdei LeRoy Gross 2007-5-16 2731 Los Angeles Southern side of the range: Entrance to Wildwood Canyon at intersection with Harvard Road and Wildwood Canyon Road. Near 387 Comment
  RSA652510  Funastrum cynanchoides var. hartwegii Jim Reutzel 1994-5-29 300 Los Angeles Los Angeles [Pomona], Cal Poly Pomona University, north of the Health Center, 100 feet north of the Cal Poly letters on the right hand side. Comment
  SBBG127577  Funastrum cynanchoides var. hartwegii A. C. Sanders with T. B. Salvato 2009-5-20 36865 Los Angeles under SCE powerlines NE of Plaza Dr, SE of Montebello Blvd and SW of San Gabriel Blvd; Montebello Hills 96 Comment
  RSA0108846  Galium andrewsii R. G. Swinney 2010-6-1 13144 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA600174  Galium andrewsii subsp. andrewsii Steve D. Boyd, Lauren Raz 1997-5-1 9666 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
  UCR89953  Galium angustifolium Scott D. White, Chet McGaugh 1995-6-6 3220 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  JEPS56098  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4114 Los Angeles 0.2 mi e Vogel Canyon (s-facing slope); Big Tujunga Canyon Comment
  POM367677  Galium angustifolium subsp. angustifolium Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  SBBG68898  Galium angustifolium subsp. angustifolium R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UCR150897  Galium angustifolium subsp. angustifolium Valerie Soza, Kent Hughes 1999-6-17 535 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon 732 Comment
  RSA229006  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-30 40803 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA529208  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5608 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1893 Comment
  RSA0021879  Galium aparine Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5109 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA213392  Galium aparine Reid V. Moran 1941-2-17 581 Los Angeles San Clemente Island. Middle Ranch, East side of arroyo. 500 Comment
  RSA239492  Galium aparine M. A. Piehl 1963-12-7 631033 Los Angeles San Clemente Island. N slope of point opposite Pyramid Head on SE tip of island. 12 Comment
  RSA527773  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4338 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA679054  Galium aparine Valerie L. Soza, LeRoy Gross 2002-5-8 1451 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  UC1478698  Galium catalinense Larry DeBuhr 1977-4-17 2584 Los Angeles ridge se Shark Harbor; Santa Catalina Island Comment
  POM147960  Galium catalinense subsp. catalinense Marcus E. Jones 1927-5-29 5 M-11-26 Los Angeles Isthmus, Catalina Island. Comment
  RSA584851  Galium grande Tim S. Ross 1993-6-1 7354 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp ( on Winter Creek), on the W side of Santa Anita Canyon. 817 Comment
  SBBG119262  Galium grande V. Soza, W. Law, L. Moore 2000-7-7 1054 Los Angeles E of White Saddle, above Cold Springs Cyn, along Silver Fish Rd, ca. 1.54 mi E of jct of Van Tassel Truck Trail (FS Rd 1N36) and Silver Fish Rd (FS Rd 1N29); T1N R10W NE/4, SE/4, SE/4 S5 853 Comment
  UC102569  Galium grande A. J. McClatchie 1893-1 Los Angeles San Gabriel Mts. Comment
  UCR84859  Galium hallii R. F. Thorne, M. Z. Thorne 1969-7-10 38418 Los Angeles San Gabriel Mtns., Angeles National Forest, c. 1.5 miles west of Wrightwood 1951 Comment
  UC1409078  Galium jepsonii R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scoggin 1972-8-11 42205 Los Angeles ne slope San Gabriel Mts., Angeles National Forest, Mt. Waterman 2103 Comment
  RSA454405  Galium nuttallii Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles foothills. Comment
  RSA654340  Galium nuttallii subsp. nuttallii Valerie L. Soza, Laura Moore 2000-5-30 971 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 488 Comment
  UCR223485  Galium porrigens R. G. Swinney 2009-6-8 11065 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
  RSA639171  Gamochaeta pensylvanica L. C. Wheeler 1967-7-6 9922 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  SBBG112944  Gamochaeta ustulata S. A. Junak 1998-5-16 SCa 699 Los Angeles above Swain's (Swain) Cyn, overlooking Toyon Bay 381 Comment
  SBBG113105  Gamochaeta ustulata S. A. Junak 1998-5-1 SCa 614 Los Angeles E side of Haypress Reservoir 384 Comment
  CAS-BOT-BC158013  Garrya veatchii Louis C. Wheeler 1932-1-15 435 Los Angeles San Antonio Wash 411 Comment
  RSA719732  Garrya veatchii R. G. Swinney 1996-8-7 5214 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  RSA151250  Gastridium phleoides P. H. Raven 1962-7-10 17969 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island Comment
  RSA0103799  Gayophytum diffusum subsp. diffusum R. G. Swinney 2011-6-14 15110 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA113813  Gayophytum heterozygum Harlan Lewis 1957-6-21 1105 Los Angeles San Gabriel Mts., 1 mile up road from Upper Chilao Recreation Area, Angeles Crest Highway. Comment
  RSA230061  Gayophytum heterozygum Robert F. Thorne 1971-6-26 40592 Los Angeles San Gabriel Mountians, Angeles National Forest: on summit of Mt. Wilson 1738 Comment
  LA82187  Geranium carolinianum O. H. Kappler; 1941-4-27 237 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA611351  Gilia Steve Boyd 1998-4-1 10131 Los Angeles Mojave Desert: Western Antelope Valley, along 300th Street West, 1.5 miles north of Highway 138. 853 Comment
  UCR183521  Gilia A. C. Sanders, Mitch Provance, T. B. Salvato, Aaron Keller, et al 2007-4-2 33346 Los Angeles West end of the Antelope Valley, hills north of Hwy 138, above corrals, c. 1.2 mi. airline NW of La Liebre Ranch 960 Comment
  UCR194150  Gilia A. C. Sanders 2008-4-13 34884 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  SDSU3050  Gilia achilleifolia subsp. multicaulis A. H. Gallup 1949-4-17 408 Los Angeles Lasca. 152 Comment
  SEINET2441336  Gilia angelensis R. G. Swinney 2008-4-10 8626 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir (Glendora 7.5' Q.). 463 Comment
  UC75275  Gilia angelensis C. F. Baker 1904-4-22 4184 Los Angeles Monrovia Comment
  RSA621047  Gilia brecciarum subsp. jacens J. Mark Porter 1998-4-27 11835 Los Angeles Antelope Valley: W. of Lancaster, N. side of Avenue G. Comment
  UCR263064  Gilia cana Mitch Provance 2008-4-14 10139 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  RSA470210  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1896-05 s.n. Los Angeles Newhall. Comment
  SD38788  Gilia capitata subsp. abrotanifolia Dr. McDougall 1931-5-4 2063 B Los Angeles Griffith Park. Comment
  UC23358  Gilia capitata subsp. abrotanifolia J. H. Barber 1897-5-21 108 Los Angeles Santa Monica Canyon Santa Monica Canyon (Southern California) Comment
  RSA470208  Gilia capitata subsp. abrotanifolia Anonymous 1922-05 s.n. Los Angeles Vicinity of Los Angeles. Comment
  UC23357  Gilia capitata subsp. abrotanifolia J. H. Barber 1897-4-20 144 Los Angeles near Pomona (Expt Station); near Pomona Comment
  UCD117683  Gilia capitata subsp. abrotanifolia Antonio F. Machado; Lisa Seemann 1993-4-28 8 a Los Angeles Santa Clarita Valley, east of San Francisquito Road, 0.3 mile north of Seco Canyon Road. Comment
  CAS-BOT-BC226312  Gilia latiflora subsp. davyi J. Mark Porter 1998-4-27 11841 Los Angeles Liebre Mountain: W. end of mountain along road to summit 1620 Comment
  RSA470074  Gilia latiflora subsp. davyi L. C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley. 915 Comment
  RSA493816  Gilia latiflora subsp. davyi A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7775 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 746 Comment
  CAS-BOT-BC226329  Gilia latiflora subsp. davyi Mrs. G. Earle Kelly 1926-4-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  SD241918  Gilia latiflora subsp. davyi Ellen Dean, T. Starbuck and M. Starbuck 2008-3-24 4612 Los Angeles Los Angeles Co.: Antelope Valley. Along Lancaster Road, west of Lancaster and just east of the entrance to Antelope Valley Poppy Preserve. SE side of road. 792 Comment
  RSA571305  Gilia latiflora subsp. latiflora Steve Boyd, Darin L. Banks, Orlando Mistretta 1994-4-29 8301 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  VVC2937  Gilia latiflora subsp. latiflora Tim Thomas 2014-5-4 6291 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  RSA229748  Gilia latiflora subsp. latiflora Wesley O. Griesel 1962-4-14 s.n. Los Angeles Little Rock Dam. 976 Comment
  RSA86549  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1954-4-19 9327 Los Angeles Just S of Lancaster on road to Palmdale. Comment
  UC1929546  Gilia leptantha subsp. transversa Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1674 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  RSA67279  Gilia minor Verne Grant, Alva Grant 1952-4-21 9092 Los Angeles Ca. 10 mi. s. of Gorman on Tejon Pass Rd. 1067 Comment
  RSA729729  Gilia modocensis R. G. Swinney 1999-5-22 7208 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UC73657  Gilia nevinii S. B. Parish and J. C. Nevin 1885-4-18 Los Angeles San Clemente Island Comment
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Nov 10 2010
  SBBG58388  Gilia ochroleuca subsp. bizonata R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  RSA0017219  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1994-4-15 1056 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA0017160  Gilia ochroleuca subsp. vivida Anstruther Davidson 1895-6-6 1943 Los Angeles Mt. Wilson Comment
  UCR190750  Gilia sinuata R. G. Swinney 1999-7-5 7502 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
  UCR272596  Gilia sinuata R. G. Swinney 2011-6-7 15040 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  SFV21985  Gilia splendens subsp. grantii J. N. Hogue 2011-7-23 397 .2 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  UCD117958  Gilia tricolor Geoffrey Levin 1974-4-22 23 Los Angeles Blanchard Park wash, Pomona College, Claremont; alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  UC15278  Glycyrrhiza lepidota J. H. Barber 1897-6-25 177 Los Angeles Soledad Canyon Comment
  POM50890  Gnaphalium beneolens L. R. Abrams 1901-4-6 1398 Los Angeles Monte Vista Comment
  RSA573473  Gnaphalium californicum Timothy S. Ross 1992-6-15 6576 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills) S draining tributary of Turnbull Canyon. 299 Comment
  UCR126912  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26193 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  POM158285  Gnaphalium chilense M. B. Dunkle 1928-5-15 1930 Los Angeles Along old road Empine Landing. 213 Comment
  RSA526057  Gnaphalium luteoalbum Steve Boyd, Tim Ross, L. Arnseth 1990-4-6 4155 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  POM358861  Gnaphalium microcephalum Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC302604  Gnaphalium palustre Carl B. Wolf 1932-5-12 3598 Los Angeles Santa Catalina Island. Between Little Harbor & Cottonwood Creek 45 Comment
  UCSB6565  Gnaphalium palustre B., K. 1943-5-11 Los Angeles About 1 mile above Dalton, San Dimas Experimental Forest, San Gabriel Mountains Comment
  UCR99505  Gnaphalium thermale Steve Boyd, L. Raz 1996-10-29 9116 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  RSA453473  Godetia bottae L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  PASA1907  Godetia bottae J. E. Giguette May, '26 Los Angeles Flintridge Comment
  CAS-BOT-BC108967  Goodmania luteola R. C. Barneby 1954-5-7 11364 Los Angeles 1 mile north of Lancaster. 716 Comment
  CAS-BOT-BC305253  Grindelia hirsutula Samuel B. Parish 1887-6-1 1935 Los Angeles Gladstone Comment
  LA202577  Guillenia lasiophylla Henry J. Thompson; 1959-5-24 2005 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  RSA339716  Guillenia lasiophylla R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55006 Los Angeles S of Emma Mountain Road, just E of Little Rock Creek 1006 Comment
  SEINET5321345  Guillenia lasiophylla A. G. Vestal 1962-3-30 Los Angeles Antelope Valley; South of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN Comment
  POM8694  Guillenia lasiophylla P. A. Munz, Harwood 1920-3-13 3316 Los Angeles San Jose Hills, 0.5 mi [?] Pomona. 305 Comment
  RSA0077297  Guillenia lasiophylla R. F. Thorne, Jim Henrickson 1963-5-5 32282 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  SD234308  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel Mountains: San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 182 Comment
  POM359200  Gutierrezia microcephala B. C. Templeton 1932-8-26 5115 Los Angeles Big Rock Creek; San Gabriel Mountains 1905 Comment
  JEPS18984  Gutierrezia sarothrae Frank W. Peirson 1918-10-16 277 Los Angeles entrance to canyon Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon 457 Comment
  UC1211080  Gutierrezia sarothrae Huron H. Smith 1912-5-3 4924 Los Angeles Azusa 243 Comment
  CAS-BOT-BC173171  Harpagonella palmeri Tim Ross 1993-4-22 6869 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak 448 Comment
  IRVC29549  Harpagonella palmeri A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26153 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
  SD252280  Hazardia squarrosa var. squarrosa Steven A. Junak 1999-9-9 Sca 1078 Los Angeles Santa Catalina Island: E sie of ridge between Toyon Bay & Gallagher Cove. 98 Comment
  RSA747200  Helenium bigelovii R. G. Swinney 2005-8-5 8382 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR190081  Helenium bigelovii R. G. Swinney 1998-8-5 6635 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA479879  Helenium bigelovii Walter Wisura 1988-8-6 4246 Los Angeles switchbacks above Lupine Campgound Comment
  SEINET3148246  Helenium puberulum G. B. Grant 545 Los Angeles Pasadena Comment
  POM359758  Helenium puberulum Anstruther Davidson 1889-08 s.n. Los Angeles Glendale. Comment
  CAS-BOT-BC223975  Helianthemum scoparium Grant 1901-3-13 3487 Los Angeles Pasadena Comment
  RSA696702  Helianthemum scoparium Wilma Griset 1931-4-19 s.n. Los Angeles San Dimas Lookout. Comment
  UCR258855  Helianthemum scoparium R. G. Swinney 2010-3-16 11925 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
  RSA441795  Helianthemum scoparium var. vulgare Anstruther Davidson s.n. Los Angeles Catalina Island Comment
  POM306252  Helianthus annuus subsp. lenticularis Henry J. Ramsey, Henry J. Ramsey 1938-6-2 I 368 Los Angeles North Craig Ave., Altadena Comment
  LA32030  Helianthus gracilentus Peter H. Raven; Henry J. Thompson 1959-10-18 14683 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  RSA128016  Helianthus gracilentus Peter H. Raven 1959-10-18 14683 Los Angeles Decker Road 1.8 mi. south of Mulholland Highway 488 Comment
  SFV4073  Helminthotheca echioides R. L. Armacost 1959-5-27 1149 Los Angeles Pacific Palisades. Near Riviera Country Club. Comment
  RSA94175  Hemizonia clementina F. W. Peirson 1923-4-9 3459 Los Angeles 2 miles SE of Wilson's Cove, San Clemente Island. Comment
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May 29 2013
  POM246458  Hemizonia fasciculata F. R. Fosberg 1931-5-6 4815 Los Angeles Cape Canyon, Santa Catalina Island. 250 Comment
  RSA696928  Hemizonia fasciculata R. H. McArthur 1932-4-30 s.n. Los Angeles Limestone Bouscout Camp. Comment
  LA91462  Hesperocnide tenella Bruce Douglas Clayton; Greg Shaw 1972-4-4 62 Los Angeles SANTA MONICA MOUNTAINS, Upper Temescal and Rustic Canyons, Mountain Park Research Campus 554 Comment
  UCR281411  Hesperoyucca whipplei R. G. Swinney 2014-5-19 16567 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
  HSC18661  Heteromeles arbutifolia C. S. Apperson 1967-6-24 Los Angeles 1/2 mi. up Stunt Canyon Rd. off of Mullholland Dr., Santa Monica Mtns. 457 Comment
  POM1843  Heteromeles arbutifolia D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  SBBG19186  Heteromeles arbutifolia M. A. Piehl 1963-12-8 631091 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  SBBG96052  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles Mosquito summit Comment
  RSA0072417  Heteromeles arbutifolia Tim S. Ross, Annette Ross 1991-3-7 4132 Los Angeles Elephant Hill: western Pomona. 238 Comment
  RSA0074508  Heterotheca fastigiata Timothy S. Ross 1991-8-16 5803 Los Angeles Big Tujunga Canyon, 1/5 mile due E of the confluence of Lucas Creek; roadside, Angeles Forest Highway. 918 Comment
  RSA0074405  Heterotheca grandiflora M. B. Dunkle 1932-1-10 2858 Los Angeles Silver Canyon Trail, Santa Catalina Island. Comment
  SD90212  Heterotheca sessiliflora var. fastigiata Benjamin C. Stone December 1952 242 Los Angeles San Antonio Canyon, San Gabriel Mountains. 671 Comment
  UCSB42375  Heuchera caespitosa Taylor, A. 1980-5-10 Los Angeles S. side of Glendora Ridge Rd., 16 miles east of Glendora Mountain Rd. San Gabriel Mtns 1158 Comment
  SEINET10598939  Hilaria rigida Carl C. Epling Epling s.n. Los Angeles Wash near Saltan Sea. 5 Comment
  UCR276713  Holodiscus discolor var. microphyllus R. G. Swinney 2010-9-21 13869 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  CATA655  Hordeum intercedens Mark L. Hoefs 1991-4-18 1144 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  CDA2187  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1945-4-17 6018 Los Angeles Los Angeles Basin, near intersection of Slauson and Garfield Ave., [city of Commerce] 3 miles south of Montebello Comment
  CDA2188  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1967-5-18 9662 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  SD252253  Hordeum marinum subsp. gussoneanum Steven A. Junak 2000-5-5 Sca 1260 Los Angeles Santa Catalina Island: Ca. 1.5 miles NNW of beah at Little Harbor campground (air miles), plant stop above road. N-facing slope. 198 Comment
  CATA1840  Hordeum murinum subsp. glaucum Denise Kraus 2000-5-4 22 Los Angeles Santa Catalina Island: Approximately 3,700 feet north of the intersection of Airport Road and Empire Landing Road. At GHB Transect 20 323 Comment
  RSA177764  Hordeum murinum subsp. glaucum R. F. Thorne, P. Everett 1965-5-10 34510 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  CAS-BOT-BC289408  Hordeum murinum subsp. leporinum Marcus E. Jones 1882-5-1 3562 Los Angeles Los Angeles Comment
  POM21189  Hordeum murinum subsp. leporinum P. A. Munz 1923-4-8 6620 Los Angeles San Clemente Island, on west coast. Comment
  UCR258964  Hordeum murinum subsp. leporinum R. G. Swinney 2010-2-27 11758 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
  SDSU1140  Hordeum vulgare Gerald Collier 1951-5-4 BCH 1500 Los Angeles Corner of Barrington Ave. and Sunset Blvd. Vacant lot L.A. 49. Comment
  POM12345  Horkelia cuneata subsp. puberula F. L. Robinson 1921-3-17 8 Los Angeles Claremont, near the Greek [Theater] Comment
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Aug 26 2011
  CAS-BOT-BC537281  Horkelia cuneata var. cuneata Le Roy Abrams 1899-2-1 253 Los Angeles Ballenia Harbor Comment
  RSA747172  Horkelia rydbergii Orlando Mistretta 1992-6-23 608 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  UCD169682  Hosackia crassifolia var. crassifolia Louis C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Ridge 1/2 mile WNW Pine Mt. 1249 Comment
  RSA261751  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-3 11891 Los Angeles Along Devil's Backbone south side of Mt San Antonio. 2834 Comment
  RSA80698  Hypericum formosum var. scouleri F. W. Peirson 1907-7-9 2072 Los Angeles Pine Flats Comment
  SBBG109018  Hypochaeris glabra S. A. Junak 1996-5-20 SCl 513 Los Angeles mouth of cyn at Mosquito Cove 3 Comment
  UCD133387  Hypochaeris glabra Louis C. Wheeler 1967-6-16 9854 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  POM4693  Isocoma menziesii T. S. Brandegee 1894-8-25 14344 Los Angeles San Clemente Island Comment
  SBBG13671  Isocoma menziesii E. R. Blakley 1961-9-24 4774 Los Angeles cyn above Ben Weston Beach 6 Comment
  RSA0088133  Isocoma menziesii Steven A. Junak, Keri Kirkland, Margie Bushman 1998-10-21 SCa- 806 Los Angeles Santa Catalina Island: Along N shore of Haypress Reservoir. 390 Comment
  CAS-BOT-BC311665  Isocoma menziesii var. decumbens Geo. B. Grant 1897-8-17 s.n. Los Angeles Terminal Island Comment
  RSA0008264  Isocoma menziesii var. decumbens F. R. Fosberg 1931-12-10 7151 Los Angeles Santa Catalina Island: Pebble Beach Road. 5 Comment
  UCD51386  Jarava speciosa H. S. Yates 1937-6-24 6596 Los Angeles San Gabriel Wash. 167 Comment
  CAS-BOT-BC340166  Jaumea carnosa John Thomas Howell 1927-6-30 2626 Los Angeles 1 mile east of Long Beach 15 Comment
  CHSC22101  Juglans californica Robert A. Schlising 1968-8-22 2919 Los Angeles Mulholland Drive, 1.4 mi West of San Diego Freeway (Hwy 405). Comment
  SBBG98567  Juglans californica T. and A. Ross 1991-3-7 4152 Los Angeles Elephant Hill, W Pomona 335 Comment
  UCD110252  Juglans californica Marc Meyer 1993-3-20 12 Los Angeles Santa Susana Mts., 2 mi. N of Mason Ave. and 118 Fwy. 400 Comment
  RSA0011192  Juglans californica F. R. Fosberg 1931-5-12 S 4848 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 200 Comment
  RSA561586  Juglans regia Steve Boyd 1993-6-10 8185 Los Angeles Western San Gabriel Mountains, N of Sylmar and S of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along the Los Pinetos Fire Road (3N76) just upslope from water tank at Los Pinetos Spring. 915 Comment
  CAS-BOT-BC110041  Juncus acutus Ernest Braunton 1902-10-1 702 Los Angeles Ballona. Comment
  UC729773  Juncus acutus subsp. leopoldii Carl B. Wolf 1932-5-12 Los Angeles 0.75 mi from Little Harbor (on road to Isthmus); Santa Catalina Island 30 Comment
  RSA600304  Juncus bufonius var. bufonius L. C. Wheeler 1961-6-9 7846 Los Angeles Mouth of Alder Creek, off Big Tujunga Canyon 1051 Comment
  UCR130144  Juncus covillei var. obtusatus F. R. Fosberg, Joseph A. Ewan 1931-8-12 00790 Los Angeles San Gabriel Mtns., Little Jimmy Spring, Windy Camp, north slope of Mt. Islip 2300 Comment
  RSA0040211  Juncus effusus subsp. austrocalifornicus Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  RSA669338  Juncus macrophyllus LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 562 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  POM308901  Juncus rugulosus Kay H. Beach 1943-8-27 673 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  RSA286656  Juncus textilis Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44778 Los Angeles near Lily Spring on N slope of Mt. Hawkins 2377 Comment
  POM1594  Juncus torreyi I. M. Johnston 1918-8-20 2123 Los Angeles Near Colton. 274 Comment
  POM153334  Juncus xiphioides Phillip A. Munz, I. M. Johnston 1928-9-4 11174 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  UCR212796  Juncus xiphioides Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1838 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  POM220132  Juncus xiphioides L. C. Wheeler 1931-9-27 165 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  RSA774259  Juniperus californica R. G. Swinney 2009-5-5 10644 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR197728  Juniperus californica Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 35 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  SEINET10826685  Juniperus californica William H. Brewer Brewer 126 Los Angeles California State Survey. San Gabriel Comment
  HSC35975  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2173 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  HSC35983  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2181 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  UCR78122  Keckiella antirrhinoides Wandalee Thompson 1964-4-11 3 Los Angeles San Gabriel Mtns., Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest 457 Comment
  NY790235  Keckiella cordifolia T. S. Ross 1992-7-5 6606 Los Angeles RED MOUNTAIN: rocky summit area. Warm Springs Mountain 7.5' USGS quadrangle 1200.9 Comment
  RSA0021280  Keckiella cordifolia Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5073 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA300705  Keckiella cordifolia James R. Shevock 1974-7-19 3728 Los Angeles Along FS Road 3N17. 3.5 miles east of Bear Divide Station, San Gabriel Mountains, Angeles National Forest. 1128 Comment
  RSA401778A  Keckiella cordifolia Slocum 1949-6-10 4246 Los Angeles Los Padres National Forest. 457 Comment
  CAS-BOT-BC176821  Kochia californica Ernest C. Twisselmann 1970-9-8 17498 Los Angeles Antelope Valley: Avenue C 0.3 mile east of Highway 14 (wastelands on the west border of Rosamond Dry Lake) 746 Comment
  RSA223789  Kochia californica E. C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A. 762 Comment
  POM1171  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  CATA1520  Lactuca saligna Mark L. Hoefs, Steven A. Junak 1996-7-9 2738 Los Angeles Santa Catalina Island: Upper Cape Canyon at reservoir 341 Comment
  UC1595409  Lactuca serriola Tim Ross and Annette H. Ross 1991-7-29 5701 Los Angeles Elephant Hill San Dimas USGS 7.5' Quad, W Pomona, Puente Hills (n-most point in Puente Hills, e and ne slopes of e summit area) 304 Comment
  SEINET11446798 Image available Lagophylla ramosissima L. C. Wheeler 1933-7-2 1890 Los Angeles Puddingstone Dam, San Jose Hills 305 Comment
  SBBG20519  Lamarckia aurea E. R. Blakley 1963-12-7 6358 Los Angeles old Rd on beach bluff, E end of Pyramid Cove 7 Comment
  SEINET3129415  Lamarckia aurea J. H. Barber 1897-3-19 86 Los Angeles Santa Monica Forestry Station Comment
  POM361488  Lasthenia californica M. B. Dunkle 1932-5-28 2967 Los Angeles White's Landing, Santa Catalina Island. Comment
  JEPS10020  Lasthenia gracilis W. L. Jepson 1920-5-3 8922 Los Angeles near Newhall Comment
  UCD133830  Lasthenia gracilis M. Vincent 1963-5-7 349 Los Angeles Santa Susana Valley, 3 miles west of Simi, beside the railroad tracks. 292 Comment
  UCR68932  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4209 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UC440406  Lathyrus vestitus subsp. laevicarpus Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topanga Canyon Santa Monica Mountains Comment
  UC729592  Lathyrus vestitus var. alefeldii Carl B. Wolf 1932-5-9 Los Angeles about 0.5 mi way to Mexican Houses; Santa Catalina Island, Pebbly Beach Canyon 60 Comment
  SFV21650  Lavatera cretica C. M. Bowman-Prideaux 2010-5-7 s. n. Los Angeles Palos Verdes Peninsula Palos Verdes Hills. Los Angeles, San Pedro, Friendship Park. 229 Comment
  UC1184977  Layia glandulosa Huron H. Smith 1912-5-3 4917 Los Angeles Azusa 243 Comment
  RSA784342  Layia platyglossa Anonymous 1958-3-11 46 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont, near eastern end of Los Angeles County. 366 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
  CHSC112547  Lepechinia fragrans Scott D. White 2004-7-28 10662 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. 1013 Comment
  RSA409627  Lepechinia fragrans C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA545274  Lepechinia fragrans D. Propst, Mark Hoefs 1973-3-3 25 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  JEPS53619  Lepidium fremontii Frank W. Peirson 1921-5-19 677 Los Angeles Little Rock Creek San Gabriel Mts. 960 Comment
  UCR124757  Lepidium fremontii B. C. Templeton 1930-5-19 1457 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  RSA725183  Lepidium fremontii var. fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -104 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA534122  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5085 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field 6 Comment
  SBBG112875  Lepidium latipes S. A. Junak with M. L. Hoefs, J. Takara 1998-3-22 SCa 506 Los Angeles SE end of Little Harbor Cmpgrd 18 Comment
  SBBG19142  Lepidium nitidum M. A. Piehl 1963-12-7 631054 Los Angeles opposite Pyramid Head on SE tip of island (inland from Triangulation Pt "Rock") 9 Comment
  SBBG131978  Lepidium nitidum S. A. Junak, B. Collins 1991-4-24 SCI 151 Los Angeles S of airfield, just W of main rd 274 Comment
  SBBG113085  Lepidium strictum S. A. Junak 1997-3-27 SCa 344 Los Angeles Avalon Cyn, along rd, E side of Avalon Cyn Rd, across from store at Hermit Gulch Cmpgrd 91 Comment
  UCR256432  Lepidium strictum R. G. Swinney 2010-6-8 13198 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
  RSA610981  Lepidium virginicum var. pubescens L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel River at Fish Fork. Comment
  UCR209456  Lepidium virginicum var. pubescens R. G. Swinney 2008-10-10 9544 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  POM122559  Lepidospartum latisquamum Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  CAS-BOT-BC328059  Lepidospartum squamatum N. Dunn; J. Ewan 1931-12-6 5556 Los Angeles Higgins Canyon above Beverly Hills. Santa Monica Mts. 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
  POM305773  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-6-27 951 Los Angeles Old Ridge Route, Liebre Mts., Angeles National Forest Comment
  RSA716811  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  CAS-BOT-BC272414  Leptochloa fusca subsp. uninervia Peter H. Raven 1957-9-21 11346 Los Angeles Pacific Palisades Comment
  SEINET3271568 Image available Leptochloa uninervia R. G. Swinney 2008-9-9 9326 Los Angeles San Gabriel Mtns.; Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UC23418  Leptodactylon californicum Harley P. Chandler 1897-1-1 Los Angeles Claremont 701 Comment
  UCR209977  Leptodactylon pungens R. G. Swinney 2008-7-25 9311 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  CHSC95475  Leptosiphon aureus subsp. aureus LeRoy Gross 2005-4-28 2113 Los Angeles Transverse Ranges: San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma road. Then dropped off ridge into canyon bottom back to origin. 1324 Comment
  SD86344  Leptosiphon bicolor R. Beauchamp, M. Douglas 1972-3-24 3239 Los Angeles San Clemente Islande; on grassy slope of canyon southeast of Thirst. 600 Comment
  RSA469975  Leptosiphon breviculus F. R. Fosberg, Joseph A. Ewan 1931-8-11 782 Los Angeles Crystal Lake: north fork of San Gabriel Canyon. 1600 Comment
  UCR223239  Lessingia filaginifolia R. G. Swinney 2009-7-23 11376 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
  LA88591  Lessingia filaginifolia var. filaginifolia O. H. Kappler; 1943-7-21 526 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA336425  Lessingia glandulifera var. glandulifera R. F. Thorne, Dick Tilforth 1978-6-21 52324 Los Angeles San Gabriel Mountains: Bob's Gap, Comment
  CAS-BOT-BC339563  Lessingia glandulifera var. peirsonii Ynez Whilton Winblad 1937-9-1 s.n. Los Angeles Ridge Route Comment
  POM798  Lewisia rediviva I. M. Johnston 1917-7-4 1470 Los Angeles San Antonio Mountains: south slope of Baldy 2744 Comment
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Jan 23 2011
  UCR193156  Lewisia rediviva var. minor R. G. Swinney 1998-7-14 6443 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  CAS-BOT-BC283749  Leymus condensatus Steven M. Kaune 1962-6-13 383 Los Angeles Ca 15-20 miles S of Tejon Pass on route toward Castaic, off Highway 99 just S and above Oso Canyon SW end of Tehachapi Mountains 914 Comment
  CAS-BOT-BC274476  Leymus triticoides LeRoy Abrams 1902-6-12 2522 Los Angeles Ballona Creek, near Mesmer Comment
  RSA594457  Leymus triticoides Steve Boyd, Lauren Raz 1996-9-24 8953 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA604991  Leymus triticoides L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  CDA32471  Leymus triticoides P. B. Kennedy Jun 1917 Los Angeles Road to Gardena, Los Angeles 0 Comment
  RSA469953  Linanthus aureus I. M. Johnston 1917-5-13 977 Los Angeles El Monte. 122 Comment
  RSA167637  Linanthus californicus P. H. Raven, R. F. Thorne 1964-5-7 19012 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA653052  Linanthus californicus A. C. Sanders, D. Malueg 1998-6-24 22062 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA613724  Linanthus dichotomus L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  RSA595338  Linanthus dichotomus subsp. dichotomus L. C. Wheeler 1967-5-8 9334 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA598139  Linanthus dichotomus subsp. dichotomus V. W. Steinmann, T. S. Ross 1995-5-8 670 Los Angeles Liebre Mountains, slopes between Leona Valley and Lost Valley 1100 Comment
  POM364692  Linanthus parryae Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
  SEINET2042543 Image available Linanthus parryae George K. Helmkamp, E. A. Helmkamp 2001-5-2 6660 Los Angeles Antelope Valley, 0.1 mi W of CA-138 on Ave. W, then 0.3 mi S on dirt road. 976 Comment
  UCSB74334  Linanthus parryae Gross, LeRoy 2005-5-3 Los Angeles San Gabriel Mts region: W terminus Holcomb Ridge, W of Big Rock Ck. Collected along the E, NE side of hill. N Fort Tejon Rd, W of Valyermo Rd. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1215 Comment
  UC23771  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2348 Los Angeles between Gorman's Station and Fort Tejon; Antelope Valley Comment
  UCR214039  Linanthus pygmaeus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37967 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 1189 Comment
  RSA533972  Linaria canadensis var. texana Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5181 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 442 Comment
  UCR51504  Linaria maroccana A. C. Sanders 1988-2-3 7604 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  SD197912  Lithophragma R. G. Swinney 1998-3-14 5909 Los Angeles Evey Canyon, ca. 0.75 mile west of Mt. Baldy Rd., ca. 0.3 mile northeast of Potato Mtn. 793 Comment
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Dec 7 2018
  JEPS23595  Lithophragma affine Peter Kamb 1947-5-25 537 Los Angeles near Sunset Ridge guard station (Millard's Canyon); San Gabriel Mts. 670 Comment
  CAS-BOT-BC426254  Lithophragma affine Wesley O. Griesel 1962-5-28 s.n. Los Angeles Big Pines, San Gabriel Mts. 1828 Comment
  CAS-BOT-BC435637  Lithophragma heterophyllum Henry J. Thompson 1959-4-19 1943 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  POM4569  Lobelia dunnii var. serrata C. F. Baker 1903-9-20 3699 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA0105213  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains: 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway. 634 Comment
  RSA729886  Lobelia dunnii var. serrata R. G. Swinney 1998-8-28 6846 Los Angeles San Gabriel Mtns.: Stoddard Canyon at Stoddard Falls. 915 Comment
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Dec 10 2020
  RSA595511  Lobularia maritima L. C. Wheeler 1969-2-16 s.n. Los Angeles Canyon Crest Road, west side Millard Canyon. 403 Comment
  RSA605864  Lobularia maritima L. C. Wheeler 1966-10-25 9073 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCR205849  Loeseliastrum matthewsii R. G. Swinney 2008-5-8 8819 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  HSC24919  Loeseliastrum matthewsii Regina Ferguson 1968-4-27 17 Los Angeles 10 mi. W of Pearblossom in Mojave Desert 915 Comment
  SBBG31421  Logfia filaginoides R. F. Thorne 1966-4-5 35851 Los Angeles above stream in Cottonwood Cyn 106 Comment
  POM1286  Lolium temulentum D. L. Crawford, Otis Hiatt 1916-3-28 710 Los Angeles Santa Monica Mountains. 305 Comment
  POM122948  Lomatium dasycarpum subsp. dasycarpum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  JEPS16106  Lomatium dissectum var. multifidum Frank W. Peirson 1922-7-6 3187 Los Angeles San Antonio Mts., Big Pines 2072 Comment
  JEPS15841  Lomatium lucidum Frank W. Peirson 1920-5-6 801 Los Angeles trail from Monrovia Canyon to Fish Canyon (San Gabriel Mts.); San Gabriel Mts. 838 Comment
  RSA252876  Lomatium mohavense R. F. Thorne 1973-5-11 43516 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  SFV6239  Lomatium utriculatum M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Above cattle reservoir on Orcutt Ranch. 1021 Comment
  SD112048  Lonicera hispidula var. vacillans Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Sant Catalina Island; Middle Ranch road. Comment
  POM88090  Lonicera interrupta A. D. E. Elmer 1902-06 3964 Los Angeles Acton. Mt. Gleason. 829 Comment
  RSA455371  Lonicera subspicata var. denudata Wm. Martin 1971-8-5 s.n. Los Angeles Junction of Stunt Canyon Road and Mulholland Hwy; Santa Monica Mountains. Comment
  RSA547833  Lonicera subspicata var. denudata T. S. Ross, Peter W. Fritsch 1990-6-20 3636 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA611536  Lonicera subspicata var. denudata L. C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon, 1 mile E of mouth of Coldwater Canyon. 944 Comment
  UCR179975  Lonicera subspicata var. denudata R. G. Swinney 1996-8-7 5210 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  RSA762407  Lonicera subspicata var. denudata Orlando Mistretta, Christine Mistretta 2008-5-13 3043 Los Angeles Grizzly Flat Road, vicinity of Dark Cyn, Arroyo Seco Canyon drainage. 1000 Comment
  CAS-BOT-BC198542  Lotus Joseph Andorfer Ewan; Nesta Ewan 1936-8-16 10098 Los Angeles Mt. Waterman summit, San Gabriel Mts. 2438 Comment
  RSA660864  Lotus argophyllus var. argenteus Orlando Mistretta 1992-4-4 127 Los Angeles San Clemente Island. Comment
  RSA782202  Lotus crassifolius R. G. Swinney 2009-8-25 11479 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UC284171  Lotus crassifolius var. crassifolius P. A. Munz 1923-5-26 6831 Los Angeles Big Rock Creek San Gabriel Mts. 1920 Comment
  RSA292480  Lotus dendroideus var. dendroideus James Henrickson 1974-2-24 13814 Los Angeles Santa Catalina Island. S of the Isthmus above Fisherman's Cove, along road near summit of ridge 122 Comment
  RSA549143  Lotus grandiflorus var. grandiflorus T. S. Ross 1992-7-16 6696 Los Angeles E slope of Iron Mountain, 79 degrees ENE, 1015m distant from summit 1570 Comment
  RSA406154  Lotus hamatus M. B. Dunkle 1929-4-7 2102 Los Angeles White's Landing, Santa Catalina Island. Comment
  UC1929740  Lotus hamatus V. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (ca. 100 feet below). 473 Comment
  JEPS55487  Lotus heermannii Frank W. Peirson 1918-5-21 99 Los Angeles Arroyo Seco San Gabriel Mountains 487 Comment
  POM50650  Lotus heermannii var. heermannii L. R. Abrams 1900-08 870 Los Angeles San Gabriel Canyon Comment
  RSA735253  Lotus heermannii var. heermannii Steve Boyd, Amber Maurice 2004-5-18 11315 Los Angeles On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain, at crossing of spring outflow. 1437 Comment
  UCR270121  Lotus heermannii var. heermannii R. G. Swinney 2010-9-9 13801 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
  RSA773982  Lotus nevadensis R. G. Swinney 2009-7-22 11319 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA715426  Lotus nevadensis var. davidsonii R. G. Swinney 1997-8-19 5825 Los Angeles San Antonio Peak (=Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  PASA1100  Lotus oblongifolius Margaret Stason 1931-6-13 Los Angeles Chilao, San Gabriel Mts. Comment
  UCR182686  Lotus oblongifolius R. G. Swinney 1997-7-16 5671 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  UCR209604  Lotus oblongifolius R. G. Swinney 2008-7-2 9140 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA276708  Lotus oblongifolius var. oblongifolius Victor Duran 1933-7-22 3528 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  RSA50636  Lotus oblongifolius var. oblongifolius L. R. Abrams 1900-8-10 18 Los Angeles San Gabriel River Canyon. Comment
  RSA226006  Lotus procumbens var. procumbens R. F. Thorne 1971-6-29 40668 Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest & Mt. Emma Roads 1128 Comment
  SEINET3523774 Image available Lotus purshianus Lawrence M. Booth 1932-7-6 1258 Los Angeles Long Beach Comment
  UCR218020  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR57523  Lotus purshianus Bill Wagner 1989-8-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northern Santa Monica Mtns, c. 0.5 mi. south of Hwy 101 on E and W sides of Kanan Road, NE of Ladyface Comment
  RSA0013117  Lotus salsuginosus D. E. Bramlet 2008-3-26 4118 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn access road, 151 m W of the landfill entrance. Comment
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Nov 2 2018
  SFV1844  Lotus salsuginosus M. L. Vincent 1962-4-6 164 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  UC168722  Lotus salsuginosus unknown 1905-4-20 712 -6489 Los Angeles Garvanza Comment
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Nov 25 2011
  UCR126362  Lotus salsuginosus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA498803  Lotus salsuginosus var. salsuginosus P. A. Munz 1920-4-29 3795 Los Angeles San Dimas Canyon. 457 Comment
  SFV10441  Lotus salsuginosus var. salsuginosus M. J. Teiman 1979-4-27 20 Los Angeles Santa Susana Mountains Browns Canyon. Dry, disturbed field by road side. 365 Comment
  RSA406842  Lotus scoparius Mullins 1931-3-1 s.n. Los Angeles El Segundo Dunes. Comment
  UCR216886  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-2-20 10024 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  NY15752  Lotus scoparius var. brevialatus A. M. Ottley 1920-5-3 589 Los Angeles Side of Litte Tujunga Wash. 335.3 Comment
  POM16372  Lotus scoparius var. brevialatus Fossler 1923-4-2 s.n. Los Angeles Near Arroyo Seco, Pasadena Comment
  RSA515131  Lotus strigosus Aaron Liston 1989-4-28 795 -9 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  RSA549199  Lotus strigosus T. S. Ross 1990-6-20 3678 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA713819  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26233 Los Angeles Western San Gabriel Mtns: Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property. 351 Comment
  RSA724521  Lotus strigosus K. Dobry 1991-5-2 563 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA406307  Lotus strigosus Geo. L. Moxley 1915-5-13 325 Los Angeles E. Ave. 54, near Arroyo Seco Los Angeles Comment
  RSA598365  Lotus strigosus L. C. Wheeler 1967-5-24 9735 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA729001  Lupinus Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1971 Los Angeles Fort Tejon Road. Comment
  UCSB3242  Lupinus albifrons Norman Haller 1953-3-29 Los Angeles collected the UCLA Botanical Garden Comment
  SEINET10488416  Lupinus albifrons David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6452 x 6456 Comment
  SEINET10488421  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at santa ana botanical garden. Hybridization by d.b.dunn. Rsa # 6450 x self plant 2 Comment
  RSA0061209  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042008 Los Angeles Old Ridge Rte, after unmaintained section. 413 Comment
  UCR159157  Lupinus andersonii R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
  LA82125  Lupinus bicolor O. H. Kappler; 1943-5-2 393 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SEINET3289849 Image available Lupinus bicolor M. W. Denslow, Steve Boyd 2003-5-7 1085 Los Angeles Transverse Ranges; San Gabriel Mountains region: Lower Glendora Ridge Motorway (1N26) above Azusa. 610 Comment
  UC1481354 Image available Lupinus bicolor D. B. Dunn and C. Epling 1946-4-19 2129 Los Angeles 0.9 mi s Highway 99 and Highway 138 junction (and for several miles to the n of junction and n of the town of Gorman); ; N of Gorman, Los Angeles Co. 1066 Comment
  UCR186990  Lupinus bicolor A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31973 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  UC557774  Lupinus bicolor Nell Murbarger March, 1936 41 Los Angeles e side near the summit San Clemente Island; e side near the summit San Clemente Island Comment
  UCSB3387  Lupinus bicolor Haller, John 1957-4-13 Los Angeles In Upper Mint Canyon; ca. 5 road miles E of road to Acton; 10 road miles E of Angels Forest Highway junc. 914 Comment
  CAS-BOT-BC187876  Lupinus chamissonis LeRoy Abrams 1902-6-9 2502 Los Angeles Playa del Rey Comment
  RSA407132  Lupinus chamissonis James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  RSA188916  Lupinus concinnus Robert F. Thorne 1966-4-28 36202 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  RSA0042231  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2851 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach. 381 Comment
  PASA657  Lupinus densiflorus var. mcgregorii Frank W. Peirson 1923-6-27 Los Angeles Rock Creek, San Gabriel Mts. Comment
  CAS-BOT-BC205152  Lupinus elatus R. F. Thorne; C. W. Tilforth; J. Dourley; R. Scoggin 1972-8-11 42209 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Waterman, E. end of Mt. Waterman ridge 2316 Comment
  RSA0083088  Lupinus elatus R. G. Swinney 2010-10-8 14011 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  CAS-BOT-BC216539  Lupinus excubitus var. johnstonii L. Street 1918-5-30 s.n. Los Angeles Lytle Creek canon [Canyon] Comment
  RSA0094558  Lupinus formosus subsp. formosus Richard G. Swinney 2011-6-6 15019 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA221577  Lupinus formosus var. formosus Arthur C. Gibson, Linda Gibson 1971-3-27 1743 Los Angeles Evey Canyon, NE of Claremont. Comment
  UC1738477  Lupinus guadalupensis Steven A. Junak 1997-2-25 SCI 728 Los Angeles just N of Camera Pad Bud 3, near Benchmark 516 San Clemente Island, W side 158 Comment
  SBBG128377  Lupinus hirsutissimus M. L. Hoefs 1991-4-7 1026 Los Angeles upper Avalon Cyn, SW of Divide Rd 377 Comment
  RSA0115849  Lupinus hirsutissimus Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 561 Los Angeles Santa Catalina Island. Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 305 Comment
  UCR138505  Lupinus latifolius var. parishii L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp. 2012 Comment
  CAS-BOT-BC211680  Lupinus longifolius Philip A. Munz 1950-3-22 15469 Los Angeles Topo Ranch, Santa Susanna Comment
  RSA0016941  Lupinus longifolius Philip A. Munz 1921-2-26 4687 Los Angeles Hills so-west of Pomona; hillside about 5 mi east of Brea Canyon. 305 Comment
  RSA593189  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-8 9299 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  SBBG69052  Lupinus microcarpus var. densiflorus R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  RSA755933  Lupinus microcarpus var. microcarpus Orlando Mistretta, Christine Mistretta 2008-4-9 2405 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  SBBG3701  Lupinus sparsiflorus H. and M. Dearing 1935-4-13 784 Los Angeles Bouquet Cyn, near Palmdale Comment
  SD186213  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  SD215539  Lupinus sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 Los Angeles Knapp Ranch area at upper end of Castiac Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UCR187014  Lupinus sparsiflorus A. C. Sanders 2006-4-25 32166 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR200184  Lupinus sparsiflorus Valerie Soza, Laura A. Moore 2000-5-10 837 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 at fire gate to powerlines 579 Comment
  UCR259905  Lupinus sparsiflorus R. G. Swinney 2010-3-16 11951 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
  RSA550210  Lupinus sparsiflorus Walter Wisura, E. Roeder 1992-4-21 4704 Los Angeles West Mohave: Valyermo Rd. .3 mi. N of turnoff to St. Andrews. Comment
  RSA590526  Lupinus sparsiflorus subsp. sparsiflorus Orlando Mistretta 1994-3-30 965 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA545257  Lupinus succulentus D. Propst, Mark Hoefs 1973-3-3 9 Los Angeles Santa Catalina Island: Airport road above Whites landing channel slope 335 Comment
  OBI70653  Lupinus succulentus Tim Ross 1991-4-8 4479 Los Angeles Elephant hill: W Pomona. T1S, R9W, W 2/3 S1/2 sec 26, San Dimas USGS 7.5' quad; At W base of the hill 355 Comment
  RSA658883  Lupinus succulentus Douglas A. Springer 1981-3-4 30 Los Angeles 1 mile SW of Interstate 10 on Kellogg Drive at Cal Poly University Campus. Comment
  RSA414370  Lupinus truncatus L. C. Wheeler 1934-3-24 2471 Los Angeles Liveoak Canyon, San Gabriel Mountains. 473 Comment
  RSA624469  Lupinus truncatus L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  SBBG19129  Lupinus truncatus M. A. Piehl 1963-12-7 631062 Los Angeles base of Pyramid Head 6 Comment
  SBBG96853  Lupinus truncatus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4205 Los Angeles upper reaches of China Cyn Comment
  UCD109659  Lupinus truncatus Gordon Pilone 1961-3-13 105106 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  UCR186696  Lupinus truncatus T. B. Salvato, Sandra Murcia 2007-3-28 2001 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
  UCR260793  Lupinus truncatus R. G. Swinney 2010-2-27 11735 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
  UCR50689  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles San Gabriel Mountains, Canyon below Johnson's Pasture, above Claremont 549 Comment
  RSA536078  Lupinus truncatus Tim S. Ross 1991-5-21 5420 Los Angeles San Clemente Island, E fork of Box Canyon near its junction with the westerly fork 453 Comment
  SD197612  Luzula comosa R. G. Swinney 2001-9-15 8176 Los Angeles Little Jimmy Spring, San Gabriel Mountains. 2256 Comment
  UCD34118  Lycium andersonii Beecher Crampton 1976-9-22 9421 Los Angeles Mojave Desert, San Gabriel Mtns., ca. 10 miles N.W. of Phelan. Comment
  JEPS11731  Lycium californicum R. A. Casad 1920-1-26 Los Angeles Huntington Beach Comment
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Dec 23 2014
  UC729775  Lycium californicum Carl B. Wolf 1932-5-12 Los Angeles 1.5 mi from Little Harbor (on road to Isthmus); Santa Catalina Island 91 Comment
  SEINET10697081  Lycium carolinianum Heidi H. Schmidt 1999-10-14 Schmidt 3876 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  CHSC101906  Lyonothamnus floribundus Mark Elvin; Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles Channel Islands; San Clemente Island; Conchulagua Canyon. In canyon floor, shelf under a 25' cliff. 213 Comment
  SDSU9096  Lyonothamnus floribundus subsp. asplenifolius R. M. Beauchamp 1967-1-29 164 Los Angeles West of Thirst. San Clement Island. Comment
  POM141537  Lyonothamnus floribundus subsp. aspleniifolius T. S. Brandegee 1894-08 6438 Los Angeles San Clemente Island. Comment
  RSA451625  Lyonothamnus floribundus subsp. aspleniifolius M. B. Dunkle 1939-4-6 7316 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA508705  Lyonothamnus floribundus subsp. aspleniifolius Mark Parratt 1965-1-26 645 Los Angeles Santa Catalina Island. Comment
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Nov 20 2012
  UCR71162  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4403 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  CAS-BOT-BC142287  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Lower end of Bullrush Canyon - Santa Catalina Island 198 Comment
  RSA589863  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  UC1204713  Lyonothamnus floribundus subsp. floribundus Huron H. Smith 1912-7-4 5174 Los Angeles Swains Canyon St. Catalina Isl. 365 Comment
  SDSU21028  Madia elegans subsp. densifolia Ian Cain, Ryan Gilmore 2010-6-3 1493 Los Angeles Angeles National Forest, San Gabriel Mountains. Near summit of Mount Gleason 1918 Comment
  UCD134258  Madia exigua Louis C. Wheeler 1967-6-16 9844 Los Angeles San Gabriel Mountains; Sunset Ridge by Millard Canyon, north side NE of Coulter Reservoir. 640 Comment
  CAS-BOT-BC343071  Madia gracilis Louis C. Wheeler 1932-5-21 741 Los Angeles Head of Mandeville Canyon, Santa Monica Mts. 533 Comment
  UCR181137  Madia gracilis R. G. Swinney 1997-5-13 5520 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  RSA604006  Mahonia dictyota L. C. Wheeler 1936-6-23 4178 Los Angeles San Dimas Canyon, San Gabriel Mountains. 701 Comment
  RSA641078  Maianthemum stellatum Orlando Mistretta 1995-7-12 1926 Los Angeles San Gabriel Mountains: Angeles Crest Highway, 2 miles west of Dawson Saddle. 2316 Comment
  CAS-BOT-BC231877  Malacothamnus davidsonii Alice Eastwood 1913-5-11 3135 Los Angeles San Fernando Wash Comment
  UCR124963  Malacothamnus davidsonii J. C. Marvin 1910-1 s.n. Los Angeles Western San Gabriel Mtns., Pacoima Canyon 1000 Comment
  CAS-BOT-BC206224  Malacothamnus fasciculatus John Thomas Howell 1930-5-18 5169 Los Angeles Pacoima Wash at entrance to Pacoima Canyon, San Fernando Valley Comment
  RSA226909  Malacothamnus fasciculatus Robert F. Thorne, C. W. Tilforth 1971-6-17 39976 Los Angeles San Gabriel Mountains, Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  RSA6001  Malacothamnus fasciculatus Carl B. Wolf 1932-10-5 4240 Los Angeles Santa Catalina Island. In ravine at junction of Isthmus road and road to Black Jack Peak. 244 Comment
  RSA641514  Malacothamnus fasciculatus Louis C. Wheeler 1967-8-27 10573 Los Angeles San Gabriel Mts; Angeles National Forest; Allison Trail 0.3 mile W of Widman Ranch, Coldwater Canyon 1311 Comment
  UC729785  Malacothamnus fasciculatus Carl B. Wolf 1932-5-11 3575 Los Angeles Isthmus Harbor, hillside at W side of Santa Catalina Island 30 Comment
  UCR125402  Malacothamnus fasciculatus A. C. Sanders, M. S. Enright 2002-8-8 25574 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  RSA434851  Malacothamnus marrubioides Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  RSA0048472  Malacothrix Bruce Haines 1962-5-4 177 Los Angeles 5.8 miles East of junction with U.S. HIghway 6 on California 138. 883 Comment
  RSA660119  Malacothrix clevelandii Orlando Mistretta 1992-6-12 561 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA94957  Malacothrix clevelandii F. W. Peirson 1919-5-21 445 Los Angeles Arroyo Seco Canyon, near Pasadena 685 Comment
  RSA670648  Malacothrix coulteri B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-5-13 1470 Los Angeles Bouquet Canyon. 800 Comment
  RSA661073  Malacothrix foliosa Orlando Mistretta 1992-4-5 181 Los Angeles Guds, San Clemente Island. Comment
  SBBG98675  Malacothrix foliosa subsp. foliosa T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5080 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  RSA778911  Malacothrix saxatilis R. G. Swinney 2009-6-27 11283 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  SFV16069  Malacothrix saxatilis A. M. Orcino, A. Sutton 1994-5-21 40 Los Angeles San Fernando Valley Van Nuys. Sepulveda Wildlife Reserve, Sepulveda Basin. 215 Comment
  CAS-BOT-BC347937  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1960-8-28 60085 Los Angeles Santa Monica Mts., e. slope of Coldwater Canyon 335 Comment
  JEPS85097  Malacothrix saxatilis var. tenuifolia Roy E. Buck and Rexford Palmer 1989-4-27 1218 Los Angeles Between lanes of Interstate 5 near NW end of crossover section, +/- on ridges between Violin Canyon and large canyon to NE. On summit of knoll, dropping off sharply to SE, just SE of larger hill ca 2.8 air km SE of Townsend Peak summit, 7 air KM NW of Castaic. 640 Comment
  RSA187924  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1966-6-1 36469 Los Angeles Santa Catalina Island, on dry northeast-facing bluff along Pebbly Beach Drive southeast of Avalon 8 Comment
  SDSU4789  Malacothrix saxatilis var. tenuifolia D. F. Howe 1947-5-22 1600 Los Angeles Coast of north of Santa Monica. Comment
  HSC12386  Malosma laurina Wendell Wood 1970-6-21 22 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale. 366 Comment
  RSA386394  Malosma laurina E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  UCSB69226  Malosma laurina Gross, LeRoy; Soza, Valerie; Tessel, Samantha 2001-6-4 Los Angeles Los Angeles Basin; Verdugo Mountains Region; northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek; City of Sun Valley 274 Comment
  CATA1219  Malva assurgentiflora Mark L. Hoefs, John Phelps 1995-6-20 2282 Los Angeles Santa Catalina Island: Bird Rock, islet near Isthmus Cove 9 Comment
  SD51915  Malva assurgentiflora Peter H. Raven 1962-5-7 17579 Los Angeles San Clemente Island; in open grassland, Wilson Cove. 60 Comment
  SBBG31462  Malva parviflora R. F. Thorne 1966-4-4 35788 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  SBBG38759  Malva parviflora M. B. Dunkle 1939-4-6 7293 Los Angeles Mosquito Harbor Comment
  RSA533441  Malva parviflora Tim S. Ross 1991-4-21 4508 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  RSA654553  Malva parviflora Benjamen Rangel 1992-4-26 777 -23 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA226030  Malvella leprosa Robert F. Thorne, C. W. Tilforth 1971-6-29 40648 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  RSA632521  Manihot dulcis L. C. Wheeler 1964-8-24 s.n. Los Angeles University of Southern California.: Kerckhoff Estate 734 W. Adams Blvd. Los Angeles. Comment
  CDA990  Marah macrocarpa D. G. Kelch 1991-3-24 1338 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  SFV21019  Marah macrocarpa L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 698 b Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. South side of slope at saddle of Verdugo Motorway and Brand Park Motorway on the crest of mountains. 823 Comment
  RSA651644  Marrubium vulgare C. J. Humphrey, Herbert Humphrey 1936-6-5 299 Los Angeles Along banks of stream in Mts. 90 miles north of Los Angeles. On Hgw 99. 610 Comment
  SEINET10498120  Marrubium vulgare David B. Dunn 1947-4-16 Dunn 2934 Los Angeles 2 mi w and 1 mi n of palmdale; mohave desert Comment
  UCR230897  Matricaria matricarioides Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8019 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  RSA597816  Matricaria matricarioides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 579 Comment
  CAS-BOT-BC422747  Meconella denticulata John H. Thomas 1957-5-25 6776 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 609 Comment
  RSA723222  Medicago lupulina LeRoy Gross 2007-5-2 2665 Los Angeles Southern part of the range; Stough Canyon just below the nature center. 427 Comment
  RSA755598  Medicago lupulina R. G. Swinney 2008-7-12 9166 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SBBG12324  Medicago polymorpha P. H. Raven 1962-4-9 17131 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR100608  Medicago polymorpha B. G. Pitzer 1996-5-5 2858 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR186780  Medicago polymorpha Gary Kovnat, LeRoy Gross 2003-2-16 25 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone 683 Comment
  UCR50858  Medicago polymorpha A. C. Sanders 1988-5-18 7824 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA652172  Medicago polymorpha Russell Sellentin 1948-05 s.n. Los Angeles Found on the Mayo Nursery Property. This location is on Glendora Ave. near Glendora. 243 Comment
  RSA657451  Melaleuca nesophila Robert F. Thorne 1979-5-28 19 Los Angeles Verdugo Mountains Region: Intersection of Haines Canyon Road and Day St., Upper Tujunga 671 Comment
  POM362464  Melampodium perfoliatum Geo. L. Moxley 1915-9-8 451 Los Angeles Florence Ave. between Long Beach and Alameda Comment
  POM357045  Melica imperfecta George R. Johnstone 1929-7-14 14089 Los Angeles Griffith Park. Comment
  RSA244894  Melica imperfecta F. R. Fosberg 1931-3-31 4430 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA592412  Melica imperfecta Mark Hoefs, Doug Propst 1974-3-10 468 Los Angeles Upper Fern Canyon, Santa Catalina Island. 335 Comment
  RSA772195  Melica imperfecta R. G. Swinney 2009-5-27 10869 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223164  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  POM348155  Melilotus albus Robert Gustafson 1980-7-9 1818 Los Angeles Ballona Wetlands, Area 3. Comment
  SFV1928  Melilotus albus P. M. Kennamer 1958-8-7 6 Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  RSA5869  Melilotus indicus Carl B. Wolf 1932-9-16 4119 Los Angeles West side of San Gabriel River Flood Control 1400 ft south of 7th street (Long Beach) 1645 ft east and 1400 ft south of NW corner of NE/4, S2. 3 Comment
  RSA435440  Mentzelia Robert Gustafson, Gary D. Wallace 1982-4-26 2527 a Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  RSA603329  Mentzelia micrantha Scott D. White 1997-5-21 5213 Los Angeles San Gabriel River Canyon: N of Azusa; slope above Hwy 39 above San Gabriel Reservoir. 457 Comment
  SBBG69317  Mentzelia micrantha M. N. Ackley -May-1926 501 Los Angeles Big Tujunga Ranger Station 511 Comment
  UC1279994  Mentzelia micrantha Peter H. Raven, H. L. Wedberg 1957-6-15 10906 Los Angeles 8 mi n U.S. 101A; Santa Monica Mountains, Latigo Canyon Comment
  UCR272686  Mentzelia micrantha Steven A. Junak 2000-5-18 SCa- 1289 Los Angeles Channel Islands, Santa Catalina Island, west side of Avalon Canyon, overlooking Las Lomas Road, just downslope fom Hogsback Road 91 Comment
  RSA0060683  Mentzelia veatchiana R. G. Swinney 2009-4-2 10259 Los Angeles Bob s Gap, 3.2 miles south of Hwy 138 on east side of Bob s Gap Road. 1223 Comment
  RSA756894  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-7 2346 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UC56514  Mentzelia veatchiana Ernest Braunton 1902-4-30 219 Los Angeles n Pomona Comment
  UCR130832  Mentzelia veatchiana David Charlton 1989-4-7 2871 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  CAS-BOT-BC435246  Mesembryanthemum crystallinum Le Roy Abrams 1899-4-1 s.n. Los Angeles Ballona Harbor Comment
  SD107912  Mesembryanthemum crystallinum Larry Debuhr, Gary Wallace 1972-9-1 684 Los Angeles San Clemente Island, West cove in sand dunes, 500'NW end of island Comment
  RSA603557  Mesembryanthemum nodiflorum Sara L. Crockett 1997-3-20 594 Los Angeles Santa Catalina Island, point overlooking and NE of Ben Weston Beach. 165 Comment
  CAS-BOT-BC435289  Mesembryanthemum nodiflorum Rev. J. C. Nevin 1885-4-1 s.n. Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC428715  Micranthes californica P. A. Munz; L. Street; G. Williams 1919-4-5 2439 Los Angeles Puddingstone Canyon, San Dimas 274 Comment
  RSA583029  Microseris douglasii subsp. platycarpha Timothy S. Ross 1993-4-22 6868 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak, saddle on E side of peak; Santa Catalina South USGS 7.5 quad. 448 Comment
  RSA526518  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4257 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR241088  Microseris lindleyi Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  UCR205616  Mimulus R. G. Swinney 2008-5-12 8832 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
  UCR194745  Mimulus aurantiacus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; 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. Area burned in August 1999 518 Comment
  JEPS87292  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-22 1074 Los Angeles above Claremont (along Mt. Baldy Road, 0.8 rd mi above (n of) upper tunnel) 1100 Comment
  RSA0091979  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-7-7 15424 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA442661  Mimulus aurantiacus var. pubescens A. Menke 1955-4-23 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA578523  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd 1994-6-22 8018 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  UCD122385  Mimulus aurantiacus var. pubescens R. S. Woglum 1934-4-8 s.n. Los Angeles West Central Los Angeles County: North Hollywood. Comment
  RSA442693  Mimulus aurantiacus var. puniceus R. M. Beauchamp 1967-3-20 342 Los Angeles Catalina Island. South of Avalon above beach road. Comment
  UCR142496  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-2 S- 4451 Los Angeles Channel Islands, Hamilton Canyon, near Avalon, Santa Catalina Island 200 Comment
  RSA182749  Mimulus brevipes J. Massey 1966-3-26 1121 Los Angeles Cobal Canyon near entrance. Comment
  SFV15501  Mimulus brevipes E. J. Spencer 1992-4-29 19 Los Angeles San Gabriel Mountains Ruby Canyon, east of Lake Hughes Road, 12.4 miles from I-5. 549 Comment
  SEINET11262490  Mimulus cardinalis F. R. Fosberg 1931-5-18 S 4910 Los Angeles Sweetwater Canyon, Santa Catalina Island.; 0 160 Comment
  RSA611518  Mimulus fremontii var. fremontii Louis C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1159 Comment
  RSA0098787  Mimulus guttatus R. G. Swinney 2011-6-1 14937 A Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA442747  Mimulus guttatus N. C. Cooper 1949-6-29 4384 Los Angeles Dripping Springs, San Gabriel Canyon. 1220 Comment
  RSA442758  Mimulus guttatus Robert M. Perkins 1936-7-5 225 Los Angeles Ferm dell- 4 mi. below Crystal Lake. Comment
  RSA80450  Mimulus guttatus F. W. Peirson 1920-5-12 5289 Los Angeles mouth of canyon of San Gabriel River 229 Comment
  UC150069  Mimulus johnstonii LeRoy Abrams 1902-6-30 2588 Los Angeles summit Mt. Wilson Comment
  RSA0106828  Mimulus moschatus R. G. Swinney 2011-6-15 15195 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA535550  Mimulus pilosus Tim S. Ross, Annette H. Ross 1991-9-7 5954 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 402 Comment
  CAS-BOT-BC388661  Minuartia douglasii Le Roy Abrams; E. A. McGregor 1908-6-19 349 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UCR59549  Mirabilis bigelovii Ed LaRue 1989-5-11 s.n. Los Angeles Western Mojave Desert, Palmdale, c. 0.5 mi (air) east of Alpine Springs [Mobile Home] Park, c. 0.5 mi. (air) north of point where Hwy 138 [=Sierra Hwy or Pearblossom Hwy] crosses California Aqueduct & c. 0.75 mi. (air) south of Ave. S 856 Comment
  RSA0026046  Mirabilis jalapa Scott D. White 2003-7-31 9717 Los Angeles San Gabriel Mtn foothills: Tujunga area. Big Tujunga Wash at outlet of Hanes Canyon channel. 381 Comment
  SD241103  Mirabilis laevis Dave Silverman, Jeff Jarvis & Colleen Martin 2010-5-21 8048 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Road and 2.2 km N of I-14/Sierra Highway. 1116 Comment
  RSA249734  Mirabilis laevis var. crassifolia Robert F. Thorne, M. Z. Thorne 1973-2-12 s.n. Los Angeles Santa Catalina Island. N of marine Science station at Fisherman s Cove. 46 Comment
  RSA0027971  Mirabilis laevis var. crassifolia Richard A. Goodfellow 1948-4-28 s.n. Los Angeles By ranger station on north side of mountain at San Dimas. Comment
  RSA587972  Mirabilis multiflora var. pubescens Anstruther Davidson 1892-09 s.n. Los Angeles Elizabeth Lake. Comment
  UCR224022  Modiola caroliniana Steve Boyd, Rick Riefner 2007-4-27 11737 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  CAS-BOT-BC215626  Monardella australis subsp. cinerea Wesley O. Griesel 1963-8-1 s.n. Los Angeles Slopes of Mt. San Antonio, San Gabriel Mts. 2834 Comment
  UC1586224  Monardella breweri subsp. lanceolata Tim Ross 1991-8-16 5851 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad. 1712 Comment
  UC56936  Monardella breweri subsp. lanceolata J. Burtt Davy May 9 1896-May 24 1896 2638 b Los Angeles Leonis Valley Antelope Valley Comment
  SFV19152  Monardella exilis J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .3 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  RSA408596  Monardella lanceolata var. lanceolata L. E. Hoffman 1931-5-30 s.n. Los Angeles Cucamonga Wash Comment
  RSA729099  Monardella linoides R. G. Swinney 1999-7-5 7503 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
  CAS-BOT-BC349496  Monolopia lanceolata C. G. Pringle 1882-5-12 s.n. Los Angeles Tejon Pass Comment
  UC1484454  Monolopia lanceolata Dale E. Johnson with J. E. Eckenwalder 1974-4-19 72 Los Angeles on Highway 138 (Antelope Valley Road) 16 km (10 mi) e I-5 Lebec-Castaic Highway; w Antelope Valley Comment
  RSA250507  Muhlenbergia asperifolia R. F. Thorne 1967-10-10 37383 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Housing Tract. 1250 Comment
  RSA729786  Muhlenbergia californica R. G. Swinney 1998-8-10 6729 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  UCR205262  Muhlenbergia californica R. G. Swinney 2005-8-17 8503 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
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Dec 21 2018
  RSA577545  Muhlenbergia microsperma C. Epling, Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UCD86844  Muhlenbergia microsperma F. W. Peirson 1927-3-20 7118 Los Angeles south of Malibu Lake. Comment
  UCR241702  Muhlenbergia microsperma Dan S. Cooper 2012-4-14 412- 21 Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  RSA0112072  Muhlenbergia microsperma Steven A. Junak 2000-5-18 SCa- 1296 Los Angeles Santa Catalina Island. W side of 4th of July Cove. 36 Comment
  UCR202734  Muhlenbergia richardsonis R. G. Swinney, Cody Clarke 2001-8-22 8084 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA718268  Muilla maritima R. G. Swinney 1998-4-14 5992 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  SD48940  Munzothamnus blairii Reid Moran 1958-9-15 6824 Los Angeles San Clemente Island; walls of canyon 1.8 miles southeast of Eel Point. 99 Comment
  CAS-BOT-BC243701  Myoporum laetum Timothy S. Ross; Angelika Brinkmann-Busi 1992-3-28 6058 Los Angeles Rancho Palos Verdes, lower Altamira Canyon, first small canyon NW of Portuguese Point, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 15 Comment
  RSA461905  Myrica californica C. Henne 1945-5-30 s.n. Los Angeles Santa Monica Mts. Comment
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Dec 9 2014
  RSA421092  Nama californica Anstruther Davidson 1923-06 s.n. Los Angeles [Unspecified] Comment
  RSA0068447  Nama demissa R. G. Swinney 2010-5-19 12837 A Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA522293  Narcissus tazetta Steve Boyd 1990-2-3 3826 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  RSA594976  Nassella cernua Timothy S. Ross 1995-4-7 8364 Los Angeles 'OLD RIDGE ROUTE'': 1.4 road miles NNW of its intersection with Templin Highway; headwaters of Canton Canyon. 893 Comment
  UC641630  Nassella cernua G. L. Stebbins Jr. 1939-6-16 2857 Los Angeles s edge of valley between Lake Hughes Neenach (e-facing hill slope); Antelope Valley 975 Comment
  RSA678120  Nassella pulchra Valerie L. Soza, LeRoy Gross 2001-5-22 1237 Los Angeles Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat. 655 Comment
  UCR182391  Navarretia hamata R. G. Swinney 1998-5-15 6054 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  CATA470  Navarretia hamata subsp. leptantha Sara L. Crockett, Steve Junak 1997-3-27 612 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  RSA469867  Navarretia hamata subsp. leptantha F. R. Fosberg 1931-4-22 54674 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon 200 Comment
  UC73658  Navarretia prostrata Rev. J. C. Nevin 1900-1 Los Angeles Compton Comment
  UC1595345  Nemacladus pinnatifidus Tim Ross 1992-5-17 6362 Los Angeles 740 m distant mouth of Shoemaker Canyon (East Fork of the San Gabriel River); San Gabriel Mountains, East Fork of the San Gabriel River 713 Comment
  RSA774592  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 2010-6-10 5296 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
  RSA662611  Nemophila menziesii Paul Neipp 1994-4-21 13 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  UC1871236  Nemophila menziesii var. integrifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4951 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  RSA638821  Nemophila pedunculata Valerie L. Soza, Laura Moore 1999-6-30 581 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA729842  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA672295  Nicotiana glauca Joseph M. Keefe 2001-1-19 30943 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  SBBG44675  Nicotiana glauca W. A. Wright 1931-2-19 Los Angeles Bannings Cyn Comment
  CAS-BOT-BC167057  Oenothera californica Timothy S. Ross; Steve Boyd 1994-5-4 7617 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  CAS-BOT-BC167062  Oenothera californica William M. Klein 1958-6-12 474 Los Angeles 23.2 mi. n. of Castaic on U.S. 99 to Los Angeles Comment
  RSA550283  Oenothera californica Walter Wisura, G. Perez 1992-5-19 4779 Los Angeles W-Mojave: Fort Tejon Rd. 2.9 mi SE of Largo Vista. Comment
  RSA11035  Oenothera californica subsp. californica Carl B. Wolf 1928-3-29 1592 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  LA206196  Oenothera deltoides Carl Epling; May 1927 sn Los Angeles Tehachapi Mountains Comment
  POM213104  Oenothera deltoides subsp. deltoides P. A. Munz 1935-4-3 13646 Los Angeles Mojave Desert; 25 miles NW of Adelanto. Comment
  RSA653382  Oenothera elata subsp. hirsutissima LeRoy Gross 2000-8-25 259 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. 325 Comment
  UCR205658  Oenothera laciniata A. C. Sanders, T. B. Salvato 2009-5-20 36871 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  POM126857  Oenothera rosea F. M. Reed 1905-10-2 267 Los Angeles Chicago Ave, Riverside. Comment
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May 22 2009
  SD230256  Oenothera rosea Louis C. Wheeler 1951-5-14 6801 Los Angeles Pasadena: Devils Gate Dam. Arroyo Seco. Comment
  SD69460  Oligomeris linifolia Robert F. Thorne 1966-4-5 35868 Los Angeles Santa Catalina Island, above stream in Cottonwood Canyon 106 Comment
  SEINET13387025 Image available Onagraceae R. G. Swinney 2011-1 15444 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  POM214690  Opuntia littoralis F. R. Fosberg 1932-7-15 8612 Los Angeles San Pedro Hills. Comment
  RSA439559  Opuntia oricola F. R. Fosberg 1931-5-22 7170 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA0036215  Opuntia oricola Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  RSA18914  Opuntia prolifera C. B. Wolf 1932-5-12 3596 Los Angeles Catalina Island. Indian Head Point, Little Harbor. 45 Comment
  SEINET8719177  Orcuttia californica A. A. Beetle 1946-1 Los Angeles Comment
  UCR223646  Orobanche californica R. G. Swinney 2009-6-24 11262 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  JEPS11668  Orobanche californica subsp. feudgei Frank W. Peirson 1921-7-3 2489 Los Angeles San Gabriel Mountains. Ridge south of Swartout Valley. Comment
  RSA0072126  Orobanche cooperi Robert Gustafson, Christopher Davidson 1977-4-20 425 Los Angeles Fort Tejon Road, south of Littlerock about 1.5 miles east of the junction with 82nd St. 975 Comment
  UCD123204  Orobanche fasciculata Daryl Koutnik 1978-4-28 439 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  RSA762126  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2008-5-14 3081 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 73 and 74 per TRTP Survey 2008), near head of Shortcut Canyon (W Fork of San Gabriel River). 1463 Comment
  POM4362  Orthocarpus densiflorus Crawford, Hiatt 1916-3-30 s.n. Los Angeles Santa Monica Field back of city. Comment
  RSA187715  Orthocarpus purpurascens Robert F. Thorne 1966-4-5 35833 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA402068  Orthocarpus purpurascens var. purpurascens Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  CAS-BOT-BC355764  Osmadenia tenella J. Ewan 1929-6-21 3643 Los Angeles Verdugo Canyon, south end 548 Comment
  CATA3382  Osteospermum fruticosum Peter J. Dixon 2016-6-15 059 Los Angeles Santa Catalina Island: Residence at junction of Airport Rd. and Renton Pass Rd (KBRT) 426 Comment
  SD39354  Oxalis corniculata Edith A. Purer 1931-2-11 70 Los Angeles Griffith Park Comment
  RSA279082  Oxalis pes-caprae Robert F. Thorne, C. W. Tilforth 1971-4-9 41519 Los Angeles Below dam in San Dimas Canyon. 427 Comment
  RSA392901  Oxytheca parishii var. parishii F. R. Fosberg, Joseph A. Ewan 1931-11-8 S 5451 Los Angeles Islip trail, near Islip-Hawkins divide. South slope Mt. Hawkins. San Gabriel Mountains. 2300 Comment
  RSA775515  Oxytheca trilobata Orlando Mistretta, Christine Mistretta 2010-5-20 5176 Los Angeles Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 1280 Comment
  RSA392789  Oxytheca trilobata Robert Kessler 1921-7-4 3447 Los Angeles Barley Flats, San Gabriel Mts. Comment
  CAS-BOT-BC316961  Packera ionophylla R. J. Dobbs 1927-6-29 s.n. Los Angeles Top, Strawberry Peak. 1874 Comment
  JEPS22764  Packera ionophylla Rimo Bacigalupi with Reino Alava 1958-7-20 6423 Los Angeles about 1.0 mi w Cedar Spring (n face of ridge, upper slopes of canyon); San Gabriel Mts, Angeles NF, Kratka Ridge, Little Rock Creek 2072 Comment
  CAS-BOT-BC121164  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont Comment
  CHSC25022  Paeonia californica T. P. Spira 1977-4-6 101 Los Angeles Ca. 1 mi e of Los Virgines Road, off of Mulholland Way. 180 Comment
  RSA434252  Paeonia californica Elbert Benjamine 1929-2-24 69 Los Angeles Laurel Canyon, Hollywood Comment
  PASA1607  Papaver californicum Frank W. Peirson 1921-4-10 Los Angeles Trail to Sycamore Flat, San Dimas Region 533 Comment
  SBBG12196  Parapholis incurva P. H. Raven 1962-4-10 17187 Los Angeles above the barracks Wilson Cove 106 Comment
  SEINET239059 Image available Paspalum dilatatum Scott D. White 1997-5-8 5069 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom adjacent slopes below Morris Dam. (USGS 7.5' Azusa quad) 275 Comment
  CAS-BOT-BC265637  Paspalum distichum Geo. B. Grant 1904-7-14 s.n. Los Angeles East Lake Reservoir Comment
  SEINET10886020  Passiflora citrina S. Krosnick 2008-7-27 Krosnick 441 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #103 in Honduras Comment
  SBBG17960  Pectocarya linearis subsp. ferocula E. R. Blakley 1963-4-8 5548 Los Angeles ridge S of Avalon Valley above Avalon Terrace Comment
  UCR271137  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-4-20 14457 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  POM368752  Pectocarya linearis subsp. ferocula R. F. Thorne 1973-4-11 42781 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  UCSC000881  Pedicularis semibarbata Peter Kamb 1947-6-9 592 Los Angeles Angeles Crest highway above Little Rock Creek Angeles Crest, Little Rock Creek - San Gabriel Mts. 1951 Comment
  SEINET13297605 Image available Pellaea andromedifolia R. G. Swinney 2010-1 12194 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  SFV14645  Pellaea andromedifolia S. Jonsson 1989-4-19 s. n. Los Angeles Santa Monica Mountains Devil's Canyon of Topanga Canyon Road development. 1.25 miles upstream of dam on east-facing wall, next to path. Comment
  RSA329734  Pellaea andromedifolia var. andromedifolia Gary D. Wallace 1966-3-25 211 Los Angeles San Gabriel Mountains: Millard Canyon north of Pasadena. 915 Comment
  CAS-BOT-BC67574  Pellaea mucronata var. californica Larry Kiefer 1963-2-24 439 Los Angeles Small bluff along Snst. Pk Spur Rd., c. 150 yds. from w. entrance off Glendora Ridge Rd. 1219 Comment
  RSA133468  Pellaea mucronata var. mucronata P. H. Raven, Henry J. Thompson 1959-4-3 13912 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
  RSA0051613  Pellaea ornithopus Lee Haines 1937-4-17 s.n. Los Angeles Santa Anita Canyon. Comment
  SEINET3160247  Penstemon centranthifolius G. B. Grant 932 Los Angeles Pasadena Comment
  UCR23177  Penstemon grinnellii Polly Schiffman 1981-5-23 025 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 Comment
  RSA408097  Penstemon heterophyllus Bonnie C. Templeton 1930-5-27 1404 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  RSA670657  Penstemon heterophyllus subsp. australis Bonnie C. Templeton 1947-5-21 6285 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA230723  Penstemon rostriflorus Robert F. Thorne, M. Z. Thorne 1969-7-9 38530 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadow, Big Pines 2088 Comment
  SD239926  Penstemon rostriflorus R. G. Swinney 2008-7-24 9296 Los Angeles San Gabriel Mtns.: Waterman Mountain. Double peaks on a flat plateau. 2412 Comment
  RSA401815  Penstemon spectabilis Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA276017  Penstemon spectabilis var. spectabilis Jack Delaini 1974-5-9 174 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 793 Comment
  RSA724650  Penstemon spectabilis var. subviscosus K. Dobry 1991-5-2 568 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA0070824  Pentagramma triangularis Tim Ross, Steve Boyd 1993-5-23 7236 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca. 380 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  SD82695  Pentagramma triangularis Louis C. Wheeler 1931-7-29 Los Angeles San Antonio Mountains, Coble's Canyon 609 Comment
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Jan 2 2014
  LA94197  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1693 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  LA94198  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1697 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near road just S of Malibu Lake. 243 Comment
  RSA687391  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UCSB62243  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-11 Los Angeles San Gabriel Mtns., Bichota Cyn. ca. 1 1/2 mi. from confluence with San Gabriel River 853 Comment
  RSA459083  Perideridia parishii subsp. latifolia F. R. Fosberg, J. Ewan 1931-8-13 S 5585 Los Angeles Cienega , 0.5 mi. W of Windy Camp, north slope of Mt. Islip. 2300 Comment
  CATA99  Peritoma arborea Mark L. Hoefs 1973-3-13 75 Los Angeles Santa Catalina Island: Upper Avalon Canyon, rocky hillside below Wrigley Memorial Garden 83 Comment
  LA204575  Peritoma arborea Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  CAS-BOT-BC355969  Perityle emoryi G. B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island Comment
  UC990949  Perityle emoryi D. F. Howe 1947-3-22 Los Angeles Santa Monica Comment
  CAS-BOT-BC419010  Persicaria lapathifolia LeRoy Abrams 1904-9-2 4182 Los Angeles Los Angeles River, Los Angeles Comment
  SEINET13387123 Image available Phacelia brachyloba R. G. Swinney 2011-1 15420 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), south end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  RSA190967  Phacelia cicutaria var. hispida Robert F. Thorne, D. Propst, R. Carolin 1967-3-19 36760 Los Angeles Santa Catalina island: Lookout Point above and S of Pebbly Beach. 46 Comment
  RSA74187  Phacelia cicutaria var. hispida F. W. Peirson 1921-6-19 161 Los Angeles North Fork of San Gabriel River. 1006 Comment
  UCR272363  Phacelia curvipes R. G. Swinney 2011-6-20 15222 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA230049  Phacelia davidsonii Robert F. Thorne 1971-6-26 40598 Los Angeles Summit of Mt. Wilson. 1738 Comment
  RSA0085028  Phacelia distans R. G. Swinney 2010-4-30 12448 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
  SBBG64893  Phacelia distans R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  UCR276813  Phacelia distans R. G. Swinney 2010-5-21 12889 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  JEPS2406  Phacelia distans Frank W. Peirson 1919-1 311 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  UC56217  Phacelia distans H. M. Hall Apr. 1903 3781 Los Angeles Playa del Rey, near Los Angeles Comment
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Apr 25 2016
  RSA426160  Phacelia fremontii Louis C. Wheeler 1932-4-10 601 Los Angeles Portal Ridge 8 mi. W Palmdale. 1037 Comment
  UC1181202  Phacelia grandiflora P. C. Everett and E. K. Balls 1959-6-2 23854 Los Angeles 0.5 mi n jct. of Mulholland Drive and road to Backus; Santa Monica Mountains 609 Comment
  CAS-BOT-BC145161  Phacelia hubbyi Peter H. Raven 1959-5-3 14055 Los Angeles Mulholland Drive near Beverly Glen Boulevard 381 Comment
  RSA702492  Phacelia imbricata Scott D. White 2004-5-5 10308 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  UCR224263  Phacelia imbricata R. G. Swinney 2009-6-24 11277 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UC951102  Phacelia imbricata subsp. patula LeRoy Abrams 1902-6-29 2591 Los Angeles Mt. Wilson Comment
  RSA0021966  Phacelia longipes Duncan S. Bell, Caitlin Elam 2013-6-24 5278 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA747583  Phacelia longipes R. G. Swinney 2005-8-22 8518 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  UC1174714  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  POM3731  Phacelia minor C. F. Baker 1909-3-20 5247 Los Angeles Claremont. Comment
  UC1375314  Phacelia minor Gary D. Cromwell and David W. Wheat 1971-4-21 566 Los Angeles 2 mi ne Glendora; San Gabriel Mountains, Angeles National Forest, Mystic Canyo 518 Comment
  RSA428102  Phacelia mohavensis I. M. Johnston 1917-7-28 1592 Los Angeles San Antonio Mountains, San Antonio Canyon 2287 Comment
  UCR272642  Phacelia mohavensis R. G. Swinney 2011-6-7 15048 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  SBBG125836  Phacelia parryi A. Parikh, N. Gale 2010-5-25 3221 Los Angeles Sierra Pelona, 5.2 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1115 Comment
  VVC278  Phacelia parryi P. J. MacKay 1975-4-8 s.n. Los Angeles Cismontane S Cal, Cal Poly Pomona campus, above and to the east of the health center 293 Comment
  UCR270671  Phacelia tanacetifolia R. G. Swinney 2011-4-1 14303 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA533469  Phacelia viscida Tim S. Ross 1991-4-21 4559 Los Angeles Whittier Hills (Puente Hills, proparte) ridgetop on N side of Turnbull Canyon. 287 Comment
  CATA1095  Phalaris aquatica Mark L. Hoefs 1995-5-16 2045 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SBBG128070  Phalaris aquatica M. L. Hoefs, S. A. Junak 1996-4-30 2683 Los Angeles rd past Parson's jct, toward W end, just before Starlight Beach 152 Comment
  CAS-BOT-BC259054  Phalaris lemmonii LeRoy Abrams 1903-4-9 3234 Los Angeles Inglewood Comment
  RSA535718  Phalaris minor Timothy S. Ross 1991-5-22 5468 Los Angeles San Clemente Island, Spray canyon, short canyon 2400 feet ENE of Spray ( which in turn is 5200 feet N of Eel Point.), W side of island. 79 Comment
  RSA594448  Phalaris minor D. L. Banks, Eric H. Roalson 1996-4-29 913 Los Angeles CLAREMONT, Growing along the Freeway underpass of I-10 and Indian Hill Blvd. Comment
  RSA763412  Phalaris minor Scott D. White, Justin M. Wood 2009-5-6 12675 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SEINET10822455  Phalaris minor John Quincy 1891-4-30 Fritchey 32 Los Angeles South of Los Angeles? Low ground; Telephone road Comment
  UCR191709  Phlox gracilis A. C. Sanders 2008-4-11 34863 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  RSA459257  Pholistoma auritum T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA592379  Pholistoma auritum Mark Hoefs 1974-5-1 443 Los Angeles Santa Catalina Island, Upper Renton Mine Road 152 Comment
  UC440429  Pholistoma auritum Carl Epling 1930-4-10 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon Comment
  CAS-BOT-BC222560  Pholistoma auritum var. auritum Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA75800  Pholistoma auritum var. auritum F. W. Peirson 1923-5-21 3521 Los Angeles South face of San Gabriel Mountains. Fish Canyon. 793 Comment
  SBBG31534  Pholistoma racemosum R. M. Beauchamp 1967-3-17 252 Los Angeles E of "Date 2" Comment
  POM50863  Phoradendron densum A. D. E. Elmer 1902-06 3607 Los Angeles Acton. Mt. Gleason. 829 Comment
  CAS-BOT-BC141298  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1994-9-20 8221 Los Angeles Upper Bee Canyon: draiange on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road. Liebre Mountains 740 Comment
  POM223069  Phyla nodiflora Louis C. Wheeler 1933-7-7 1925 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA423755  Physalis philadelphica E. S. Spalding 1922-11-30 s.n. Los Angeles Near Glendale. Comment
  CATA1918  Pinus canariensis Grant Powell 2014-7-29 1 Los Angeles Santa Catalina Island: Just north of Wrigley Reservoir 437 Comment
  SD90152  Pinus contorta subsp. murrayana Benjamin C. Stone Apr 1953 Los Angeles San Gabriel Mountains, on Mount Baldy 2745 Comment
  CAS-BOT-BC78602  Pinus flexilis Le Roy Abrams; E. A. McGregor 1908-7-3 605 Los Angeles North Baldy Mountain, San Gabriel Mountains 2743 Comment
  SFV18302  Pinus jeffreyi J. N. Hogue 2002-7-21 179 1 Los Angeles San Gabriel Mountains Angeles National Forest, Camp Eaton (= Camp Cumorah Crest), 3 km NE of Newcomb Ranch. 1860 Comment
  RSA613159  Pinus monophylla L. C. Wheeler 1932-2-22 1477 Los Angeles In arid canyon, Little Rock Creek, San Gabriel Mts. 1067 Comment
  UC1134058  Pinus monophylla H. A. Jensen 1933-3-6 267 Los Angeles summit Mt. Lowe; Angeles National Forest, Pasadena Quadrangle Comment
  UC1134135  Pinus sabiniana R. St. John 1930-2-24 102 Los Angeles Pine Canyon Tejon Quad., Pine Canyon 914 Comment
  RSA609589  Piptatherum miliaceum L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  UC1595244  Piptatherum miliaceum Tim Ross and Peter Fritsch 1990-6-20 3595 Los Angeles mouth Burro Canyon (near the confluence of the e and w forks of the San Gabriel River); San Gabriel Mountains 445 Comment
  SEINET10630720  Pisum sativum Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2523 Los Angeles City of Pasadena. How's Market, 3035 Huntington Drive. Comment
  RSA675008  Pittosporum undulatum LeRoy Gross 2003-2-22 748 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  RSA0047911  Plagiobothrys arizonicus R. G. Swinney 2010-5-12 12749 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 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
  RSA599624  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-4-16 9518 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
  UCR149971  Plagiobothrys arizonicus Scott D. White 2004-5-5 10306 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  RSA0087328  Plagiobothrys canescens R. G. Swinney 2010-3-13 11877 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  UCR126720  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA626103  Plagiobothrys canescens LeRoy Gross 1999-3-21 127 Los Angeles Santa Susana Mountains: Wiley Canyon, city of Newhall. 457 Comment
  UCR187270  Plagiobothrys nothofulvus A. C. Sanders 2006-4-18 32104 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  RSA0115075  Plantago coronopus Steven A. Junak, Keri Kirkland 2001-4-13 SCa- 1431 Los Angeles Santa Catalina Island. Just S of old road, on ridgetop overlooking Empire Landing. 226 Comment
  JEPS6416  Plantago erecta John Thomas Howell 1928-3-20 3480 Los Angeles Vermont Canyon Griffith Park Comment
  POM246416  Plantago erecta F. R. Fosberg 1931-3-25 S- 4360 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 140 Comment
  RSA649008  Plantago major Scott Lowe 1991-5-12 32 Los Angeles San Gabriel River chanel, about 500 m. norht of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  SBBG113078  Plantago ovata var. insularis S. A. Junak 1998-5-2 SCa 627 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  JEPS3448  Plantago patagonica Frank W. Peirson 1921-5-20 2410 Los Angeles Little Rock Creek San Gabriel Mountains 960 Comment
Read comments
Sep 26 2010
  HSC12322  Platanus racemosa Wendell Wood 1970-6-17 10 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 Comment
  RSA0053867  Platanus racemosa R. G. Swinney 2010-4-20 12297 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA623475  Platanus racemosa Cary Otis 1927-1 s.n. Los Angeles San Gabriel Mountains: Gold Bar Mill Site.. . Comment
  UC1280002  Platanus racemosa Peter H. Raven 1957-9-21 11365 Los Angeles 2.3 mi above U.S. 101A; Santa Monica Mountains, Topanga Canyon Comment
  UC405466  Platanus racemosa Geo. B. Grant 1904-5-10 1007 /6169 Los Angeles Pasadena Comment
  RSA0035640  Platanus racemosa Phil Elliott 1981-2-25 19 Los Angeles Cal Poly Pomona, 1/4 mile west of Beef Unit, 100 ft. west of southwest corner of parking lot M. Comment
  CATA1504  Pluchea odorata Mark L. Hoefs, Steven A. Junak 1996-7-9 2716 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  RSA616151  Poa annua Valerie L. Soza 1998-5-3 95 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  RSA669299  Poa bulbosa LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2002-4-27 533 Los Angeles Valley Forge Campgroud, in the West Fork of the San Gabriel river. 1057 Comment
  UCR186927  Poa bulbosa A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32028 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  SBBG127051  Poa palustris A. Parikh, N. Gale 2011-7-7 3543 Los Angeles Barley Flats, 4.3 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1696 Comment
  CAS-BOT-BC237686  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-25 321 Los Angeles On and above cutbank on county road N2 1219 Comment
  CAS-BOT-BC236197  Poa secunda subsp. secunda Geo. B. Grant 1903-4-1 5437 Los Angeles Saugus Comment
  CHSC46009  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Along nursery path, McCaskill Gardens, 25 South Michillinda Avenue, Pasadena. Comment
  RSA286762  Polycarpon tetraphyllum R. F. Thorne 1974-6-3 44688 Los Angeles Claremont, at 1010 Northwestern Drive 335 Comment
  UCD98418  Polycarpon tetraphyllum Daryl Koutnik 1978-5-14 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  RSA5484  Polygonum argyrocoleon Carl B. Wolf 1932-10-3 4216 Los Angeles Santa Catalina Island. Mouth of Pebbly Beach Canyon. 15 Comment
  UCR210024  Polygonum hydropiperoides R. G. Swinney 2008-12-2 9905 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA689895  Polypodium californicum F. R. Fosberg 1931-1-7 7119 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  SDSU3561  Polypodium californicum Garld Collie 1951-5-5 10 Los Angeles Santa Anita Canyon, San Gabriel Mtns. Comment
  SFV14643  Polypodium californicum S. Jonsson 1989-4-19 s. n. Los Angeles Santa Susana Mountains In Bee Canyon of O'Melveny Park. Off of the creek trail, 1.75 miles past Ranger Station. 460 Comment
  UCSB10639  Polypodium californicum Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Dalton Canyon from Glendora Mtn. Road; San Gabriel Mtn range Comment
  CAS-BOT-BC71881  Polypodium californicum J. Von Loh 1978-1-4 3283 Los Angeles S. Clemente I., near Nots Pier 45 Comment
  RSA52497  Polypodium californicum I. L. Wiggins 1949-2-22 11965 Los Angeles hillside near north-east end of San Clemente Island 30 Comment
  UCSB62338  Polypodium californicum Kiefer, Lawrence 1967-4-1 Los Angeles San Gabriel Mtns., N of Pasadena, Pasadena Glen, ca. 1/2mi from the end of the road 609 Comment
  UCSB62347  Polypodium californicum Kiefer, Lawrence 1967-1-21 Los Angeles San Gabriel Mtns., NE of Sunland, Gold Canyon tributary of Big Canyon, ca. 1mi up the trail 609 Comment
  UCSB62464  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA723320  Polypogon interruptus LeRoy Gross, Casey Schnyder 2007-5-21 2743 Los Angeles Southern front of the mountains. Along Van Tassel Road (1N36). Road survey for the National Forest. 274 Comment
  UCR190283  Polypogon interruptus R. G. Swinney 1998-8-1 6608 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  RSA151230  Polypogon monspeliensis P. H. Raven 1962-4-9 17127 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  RSA0081775  Polystichum imbricans R. G. Swinney 2010-8-9 13480 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA693291  Polystichum imbricans subsp. imbricans L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  POM360755  Populus fremontii Robert Gustafson 1981-3-10 2107 Los Angeles Ballona Wetlands, Area 1. Comment
  POM122021  Populus trichocarpa Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  VVC3077  Potamogeton crispus Tim Thomas, P. J. MacKay 2015-5-10 6623 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  SD69566  Potamogeton crispus Robert F. Thorne 1966-6-1 36493 Los Angeles Santa Catalina Island: near earth dam at reservoir upper end of Cape Canyon 334 Comment
  UC1147895  Potamogeton pectinatus Robert F. Thorne and P. Everett 1965-6-24 35034 Los Angeles in lower Cottonwood Canyon; Santa Catalina Island 45 Comment
  UCR101740  Potamogeton pectinatus L. C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La 88 Comment
  POM2676  Potentilla glandulosa subsp. nevadensis I. M. Johnston 1918-7-6 2066 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  UC1870239  Prunus LeRoy Gross 2003-3-9 798 Los Angeles Transverse Ranges; San Rafael hills, (Verdugo Mountains Flora): SW side. A W-E trending ridge SW of Flint Peak. Entered at W end, at Mt Carmel Dr., E of the (2) Glendale freeway, between Chevy Chase Dr (Sycamore Canyon) to the N, and Glenoak Blvd (Scholl Canyon) to the S. 353 Comment
  SEINET10957101 Image available Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2583 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  RSA123185  Prunus fasciculata var. fasciculata H. S. Yates 1936-4-6 5404 Los Angeles Near Valgerma [Valyermo?]. 1372 Comment
  UC1128420  Prunus ilicifolia R. St. John 1930-1-26 82 Los Angeles Mesa Peak, Santa Monica Mountains Mesa Peak; Santa Monica Mountains, Mesa Peak 335 Comment
  SBBG41578  Prunus ilicifolia subsp. lyonii M. R. Benedict 1970-6-27 Los Angeles lower Cape Cyn Comment
  UC12772  Prunus ilicifolia subsp. lyonii Blanche Trask Oct. 1896 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  UCR272727  Prunus lyonii M. B. Dunkle 1939-11-24 7343 Los Angeles Channel Islands, Mosquito Summit, San Clemente Island 366 Comment
  CAS-BOT-BC356542  Pseudognaphalium biolettii Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4201 Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side Comment
  POM358749  Pseudognaphalium biolettii F. R. Fosberg 1931-3-1 4214 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  RSA3486  Pseudognaphalium biolettii C. B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  RSA760859  Pseudognaphalium biolettii R. G. Swinney 2009-2-20 10012 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  SBBG12865  Pseudognaphalium biolettii E. R. Blakley 1962-6-10 5226 Los Angeles above camp area, Wilson Cove 30 Comment
  SD69490  Pseudognaphalium biolettii Robert F. Thorne, P. Everett 1965-6-22 34873 Los Angeles Santa Catalina Island: canyon behind Bird Park. 89 Comment
  RSA648682  Pseudognaphalium biolettii Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 30 Los Angeles 5.5 miles past the Pasadena city limits on the way towards mount Wilson on Angeles Crest Highway. Turn off on right as one goes up the hill. Comment
  RSA786901  Pseudognaphalium biolettii Doris Bowers 1956-5-2 552 Los Angeles Road to Puddingstone, LaVerne. 320 Comment
  RSA0069423  Pseudognaphalium californicum R. G. Swinney 2010-3-10 11801 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  UC485722  Pseudognaphalium californicum Pupils of Los Angeles High School 1902-5-1 Los Angeles South Pasadena Comment
  CATA1138  Pseudognaphalium luteoalbum Mark L. Hoefs 1995-5-23 2128 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  RSA590912  Pseudognaphalium luteoalbum Orlando Mistretta 1994-4-12 1002 Los Angeles Little Rock Creek. Slopes E of Little Rock Reservoir. 976 Comment
  SFV21043  Pseudognaphalium luteoalbum L. Gross, V. Soza 2001-6-6 440 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) until you come to bottom of canyon in more or less shady, damp area in dry canyon bed. 427 Comment
  SFV15554  Pseudognaphalium microcephalum R. K. Stachelek 1992-4-14 25 Los Angeles Santa Susana Mountains Los Angeles, Northridge. Along fence at entrance to Eddleston Park on Reseda Blvd. 400 Comment
  SBBG79665  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Cyn 15 Comment
  UC896858  Pseudognaphalium stramineum Carl B. Wolf 1932-9-16 4111 Los Angeles Bryant Ranch; 100-150 ft w of State Highway, at extreme se corner of Pacific Western Oil Co. lease 1 Comment
  RSA91737  Pseudognaphalium stramineum F. W. Peirson 1923-4-12 3464 Los Angeles Wilson's Cove, San Clemente Island. Comment
  RSA787279  Pseudotsuga macrocarpa R. G. Swinney 2009-6-17 11222 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA92379  Psilocarphus tenellus F. W. Peirson 1918-5-5 1303 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  SBBG108962  Psilocarphus tenellus S. A. Junak 1997-3-13 SCl 785 Los Angeles ridge between 2 forks of first cyn E of Mosquito Cyn, near head of W fork, ca. 0.54 mi E of Triangulation Pt "Rest" 365 Comment
  RSA0011720  Pteris vittata Scott D. White, P. DeVries 2000-5-18 7888 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  SBBG119340  Pteris vittata S. D. White with P. De Vries 2000-5-18 7888 Los Angeles foothills above Irwindale, Fish Crk Cyn, from the mouth of the cyn at CalMat quarry upstream to falls 305 Comment
  UCR203106  Pterospora andromedea R. G. Swinney 2001-8-27 8106 Los Angeles San Gabriel Mountains, Throop Peak Ridge, c. 300 m south of DawsonSaddle on Dawson Saddle Trail 2463 Comment
  SEINET4088327  Pterostegia drymarioides R. Moran 1941-1 576 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  CATA1766  Pulicaria paludosa Benjamin E. Carter, John Clark & Elizabeth Baniaga 2012-7-24 6907 Los Angeles Santa Catalina Island: Big Springs, at road crossing just east of Little Harbor 3 Comment
  RSA451422  Purshia tridentata var. glandulosa Robert Gustafson, Gary D. Wallace 1982-4-26 2533 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA675010  Pyracantha crenatoserrata LeRoy Gross 2003-2-22 749 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  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
  UC848122  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles 1635 Laurel St, South Pasadena South Pasadena Comment
  JEPS38027  Quercus agrifolia Frank W. Peirson 1919-4-5 369 Los Angeles Mt. Wilson Toll Road San Gabriel Mountains Comment
  RSA612079  Quercus agrifolia var. agrifolia Valerie L. Soza 1998-4-26 68 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
  POM316437  Quercus berberidifolia G. R. Campbell 1947-1-16 98 Los Angeles Geneshia Hills, Pomona. 366 Comment
  RSA522950  Quercus berberidifolia Tim S. Ross 1990-10-26 3313 Los Angeles off the N side of Horse Canyon saddle in upper reaches of Horse Canyon drainage 854 Comment
Read comments
Jun 24 2014
  SBBG59022  Quercus berberidifolia R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  UCSB58658  Quercus berberidifolia Muller, Cornelius 1945-3-20 Los Angeles 10 mi. S. of Caswell, 12 mi. N. of Castaic Comment
  RSA0030743  Quercus berberidifolia Sandy Leatherman 1998-11-10 62 Los Angeles E of Bouquet Canyon road, S of Esquerra 610 Comment
  RSA476879  Quercus chrysolepis Blanche Trask 1900-04 d.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA517130  Quercus chrysolepis Tim S. Ross 1990-5-14 2497 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger Distric. 1098 Comment
  UCD45587  Quercus chrysolepis D. H. Wilken 1996-6-2 15218 Los Angeles San Clemente Island. E side of Horse Cyn, 2.5 km sse of Boulder, 4.5 km ne of Lost Pt, 470m elev. 470 Comment
  UCSB27897  Quercus douglasii R. Gill 1959-3-24 55 Los Angeles RIDGE ROUTE OAK FLAT GUARD STATION 822 Comment
  RSA596497  Quercus durata var. gabrielensis Louis C. Wheeler 1966-11-23 9152 Los Angeles San Gabriel Mountains. Chileno Canyon, 1/4 mi. upstream from mouth. Comment
  RSA655779  Quercus durata var. gabrielensis LeRoy Gross, Laura Moore 2000-6-5 225 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA598915  Quercus engelmannii R. G. Swinney 1989-8-6 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon; Big Dalton Canyon Road, 1.0 miles NE of Glendora Mountain Road, 50 yards S of City Day Camp restroom 442 Comment
  UCSB34842  Quercus engelmannii Gill, Robert 1959-3-3 Los Angeles Northeast side of Webb School, Claremont, San Gabriel Mts. 365 Comment
  UCSB58221  Quercus engelmannii Muller, Cornelius 1937-8-11 Los Angeles Huntington Gardens, Pasadena Comment
  RSA476565  Quercus pacifica M. B. Dunkle 1928-11-2 2025 Los Angeles Santa Catalina Island, Gallager's Canyon Comment
  CAS-BOT-BC250921  Quercus tomentella P. S. Manos 1988-10-28 685 Los Angeles San Clemente Island, just S of Vista Canyon and N of Eagle Canyon 243 Comment
  CAS-BOT-BC257627  Quercus tomentella P. S. Manos 1988-10-28 702 Los Angeles San Clemente Island, Vista Canyon 243 Comment
  SBBG17811  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  SBBG43933  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  CAS-BOT-BC104864  Quercus wislizeni W. R. Dudley; F. H. Lamb 1898-6-7 4346 Los Angeles Ringo Canyon. Liebre Mountains Comment
  RSA517150  Quercus wislizeni var. frutescens Tim S. Ross 1990-5-14 2478 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1107 Comment
  UCR270945  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA0084874  Rafinesquia californica R. G. Swinney 2010-5-4 12548 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA774239  Rafinesquia californica R. G. Swinney 2009-5-5 10635 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR126568  Rafinesquia californica A. C. Sanders, Andy Thomson 2003-4-15 25988 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA13878  Rafinesquia californica L. C. Wheeler 1934-4-24 2539 Los Angeles Liveoak Canyon Dam 457 Comment
  SEINET13716607  Ranunculus californicus Unknown 1957-4-17 s.n. Los Angeles Kellogg Ranch west of Pomona. Comment
  SBBG71857  Ranunculus californicus var. californicus M. N. Ackley -Mar-1927 909 Los Angeles Baldwin Hills 91 Comment
  CAS-BOT-BC378872  Ranunculus californicus var. californicus John J. Carlton 1918-4-26 s.n. Los Angeles Griffith Park Comment
  SBBG122434  Ranunculus muricatus R. Burgess, P. Munro 1998-5-17 2823 Los Angeles vacant land NE of corner of Kanan Rd and Canwood St, Agoura Hills 268 Comment
  JEPS53817  Raphanus sativus Alice King March, 1908 Los Angeles Santa Ana Comment
  UC1929919  Rhamnus californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 360 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Claremont. ~ 0.6mi W of Mt. Baldy Rd. in Evey Canyon. Comment
  UCR107831  Rhamnus californica Anna Christensen 1997-4-2 15 Los Angeles Claremont. Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Ave. and Foothill Blvd., 25 yds from E fence, 200 yds. into N. panhandle region. 412 Comment
  RSA0041713  Rhamnus californica Albert J. Perkins 1911-10-28 s.n. Los Angeles Santa Monica Mts. Comment
  RSA549576  Rhamnus crocea Tim S. Ross 1991-3-10 4210 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  RSA669702  Rhamnus crocea LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 501 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. On northwest facing slope, in small canyon above (east) of Village Christian School in Sun Valley. 366 Comment
  LA200813  Rhamnus ilicifolia Norman A. Cole; May 1964 356 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  LA32115  Rhamnus ilicifolia Peter H. Raven; 1959-5-3 14064 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  UCR272020  Rhamnus ilicifolia R. G. Swinney 2010-4-28 12407 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  OBI6092  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Cyn, above last almond orchard 122 Comment
  RSA351126  Rhamnus pirifolia Theodore Payne 1909-10-11 2344 Los Angeles Catalina Island Comment
  SBBG21949  Rhamnus pirifolia R. F. Thorne with P. C. Everett 1964-2-6 33291 Los Angeles above Fourth of July Cove 30 Comment
  RSA0037468  Rhododendron Larissa L. Yates 2014-4-24 12 Los Angeles Downtown Claremont. Along 1st street between Cornell Ave. and College Ave. 350 Comment
  OBI25836  Rhus aromatica Glen Holstein 1970-4-19 2 Los Angeles Indian Canyon 1 mile south of Soledad Canyon Rd Comment
  RSA0092146  Rhus aromatica R. G. Swinney 2011-5-26 14844 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. 1061 Comment
  CAS-BOT-BC167909  Rhus integrifolia G. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  CAS-BOT-BC167918  Rhus integrifolia Le Roy Abrams 1901-4-5 1369 Los Angeles San Fernando Mts. near Chatsworth Park Comment
  CAS-BOT-BC170472  Rhus integrifolia Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  CATA146  Rhus integrifolia Sarah Ratay, Sula Vanderplank, Lucinda McDade, Jeanie Shelton 2009-10-26 109 Los Angeles Santa Catalina Island: Wrigley Memorial Garden, just W of Memorial, along road, outside gate to garden 129 Comment
  CHSC109991  Rhus integrifolia L. P. Janeway; B. Castro 2011-11-25 10783 Los Angeles Peninsular Ranges. North slope of Puente Hills, Shabarum Re-gional Park; along the dirt road/trail up the main canyon 0.8 km south of the horse corrals. 229 Comment
  CHSC95433  Rhus integrifolia LeRoy Gross 2002-2-24 486 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Low +- rounded foothills of Coastal sage scrub, horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow hills, where Sunland Blvd. runs through. 351 Comment
  LA62812  Rhus integrifolia A. M. Johnson; 1933-5-20 4286 Los Angeles Azusa Comment
  RSA251404  Rhus integrifolia R. F. Thorne 1966-4-17 36109 Los Angeles San Clemente Island: Large shrubs growing on steep S-facing canyon side near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 152 Comment
  RSA653833  Rhus integrifolia Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 798 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  SBBG11609  Rhus integrifolia P. H. Raven 1962-5-8 17611 Los Angeles second cyn S of Seal Cove 30 Comment
  SBBG95272  Rhus integrifolia M. B. Dunkle 1928-3-31 1803 Los Angeles Cottonwood Cyn 152 Comment
  CAS-BOT-BC167952  Rhus ovata C. F. B. 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  RSA652847  Rhus ovata Ron Martinolich 1991-4-7 32 Los Angeles Los Angeles , Griffith Park, Bee Rock Trail, from trailhead of lower, eastern end, west along trail about 0.4-0.5 mile, past sharp left turn south, 0.5 mile, along edge of trail. Comment
  RSA653853  Rhus ovata Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 807 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 548 Comment
  SBBG17832  Rhus ovata E. R. Blakley 1963-4-8 5541 Los Angeles head of Avalon Valley near Wrigley Memorial 137 Comment
  UCSB3761  Rhus ovata Wilson, Richard 1958-5-10 Los Angeles 6 miles N. of Foothills Blvd. on Angeles Crest Highway 1066 Comment
  LA94271  Rhus trilobata Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  JEPS104676  Ribes John L. Morrison 1937-6-17 2541 Los Angeles San Gabriel Mountains. Around the spring about 200 m from Windy Camp. N sid of Mount Islip 2209 Comment
  POM99  Ribes amarum C. F. Baker 1903-2-27 6327 Los Angeles San Antonia Canyon, Claremont. Comment
  UCSB11906  Ribes aureum Haines, Bruce 1962-3-11 Los Angeles roadside; 1 mile south of the junction of U.S. Highway 101 and California Highway 27; Woodland Hills 274 Comment
  LA33882  Ribes aureum var. gracillimum Henry J. Thompson; 1959-3-22 1872 Los Angeles Santa Monica Mountains, Lobo Canyon, 1 mi. W of Triunfo Canyon 243 Comment
  RSA0091074  Ribes californicum R. G. Swinney 2011-4-9 14362 Los Angeles 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
  CAS-BOT-BC93083  Ribes californicum var. hesperium Prof. W. R. Dudley 1907-11-22 s.n. Los Angeles Monrovia Canon [Canyon]. Comment
  RSA476450  Ribes californicum var. hesperium Unspecified 1920-06 s.n. Los Angeles Santa Monica Range, Canyon of low Mts. Comment
  UC73094  Ribes californicum var. hesperium E. D. Palmer Nov 1901 Los Angeles foothills Garvanza Comment
  UCR70821  Ribes divaricatum var. parishii L. C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  CAS-BOT-BC173097  Ribes indecorum John Thomas Howell 1928-2-18 3349 Los Angeles Trail to Switzer's, Arroyo Seco, San Gabriel Mts. Comment
  CAS-BOT-BC173444  Ribes malvaceum Peter H. Raven 1959-3-8 13839 Los Angeles On Mulholland Drive 6.2 miles west of Topanga Canyon 365 Comment
  LA51399  Ribes malvaceum Henry J. Thompson; 1959-3-22 1864 Los Angeles Santa Monica Mountains, Las Virgines Rd, 1 mi N of Tapia Park, N of Malibu Canyon Rd 213 Comment
  LA210742  Ribes malvaceum Arthur C. Gibson; 2004-1-17 5221 Los Angeles Runyon Canyon, Hollywood Hills. Comment
  SD77870  Ribes malvaceum var. viridifolium Darley F. Howe 1970-3-8 Los Angeles 10.8 miles west of Laurel Canyon Blvd. on Mulholland Drive; Santa monica Mountains. 456 Comment
  SEINET13276838 Image available Ribes malvaceum var. viridifolium R. G. Swinney 2011-1 14191 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  RSA1180  Ribes roezlii B. D. Stark 1930-6-28 865 Los Angeles Pine Canyon Comment
  CAS-BOT-BC186154  Ribes roezlii var. roezlii Timothy S. Ross; Steve Boyd 1994-6-23 8063 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1597 Comment
  CAS-BOT-BC144441  Ribes speciosum LeRoy Abrams 1902-3-11 3118 Los Angeles Sepulveda canyon, Santa Monica mts. Comment
  SBBG17033  Ribes speciosum K. A. Wilson 1961-3-10 959 Los Angeles Old Topanga Cyn Rd, ca. 1/4 mi W of Topanga Cyn Rd Comment
  UCR124748  Ribes speciosum B. C. Templeton, I. W. Clokey 1930-4-2 1423 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  UCSB2686  Ribes speciosum Wilson, Richard 1958-3-1 Los Angeles Santa Monica Mountains; On Entrada Lane; 2 miles NS of its junction with Topanga Canyon Rd 304 Comment
  HSC12674  Ricinus communis Wendell Wood 1970-6-21 25 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  RSA725245  Romneya coulteri K. Dobry 1991-6-28 d- 777 Los Angeles Stunt Ranch Santa Monica Mts Stunt Rd Cold Creek Cyn. Comment
  UCR217695  Romneya trichocalyx A. C. Sanders, Dan S. Cooper 2010-8-5 38543 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
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Apr 5 2017
  LA33789  Rorippa nasturtium-aquaticum Peter H. Raven; Henry J. Thompson 1959-10-14 14632 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  POM1541  Rosa californica Otis Hiatt 1918-6-3 s.n. Los Angeles Topanga Canyon. Comment
  UC1584270  Rosa californica Tim Ross and Steve Boyd 1990-6-6 2855 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' Quad., San Francisquito Canyon 926 Comment
  CAS-BOT-BC146956  Rosa woodsii var. gratissima C. B. Wolf 1931-10-23 2494 Los Angeles 100 ft. W. of Wrightwood Lodge, [Swartout] Swarthout Valley, San Gabriel Mts. 1828 Comment
  RSA86829  Rubus leucodermis F. W. Peirson 1919-6-16 494 Los Angeles S Fork of Rock Creek, San Gabriel Mts. 1982 Comment
  SEINET9300518  Rubus parviflorus Unknown 2008-7-2 9126 Los Angeles San Gabriel Mountains (Lat. 34 54' 53") Comment
  CAS-BOT-BC158819  Rubus ursinus Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2973 Los Angeles Margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air-miles ENE of Barley Flats) - Upper Big Tujunga Canyon, San Gabriel Mountains 1231 Comment
  LA52074  Rubus ursinus A. M. Johnson; 1928-2-16 43 b Los Angeles 121 Comment
  RSA0073114  Rubus ursinus Mark L. Hoefs 1995-5-23 2079 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon. 116 Comment
  RSA0115838  Rumex conglomeratus Steven A. Junak 1999-7-15 SCa- 1029 Los Angeles Santa Catalina Island. Bulrush Canyon. 237 Comment
  LA33970  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-6-4 14339 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, along ditch behind dunes. 12 Comment
  POM2341  Rumex crispus D. L. Crawford 1915-7-18 s.n. Los Angeles Glendora Foothills Comment
  UC56032  Rumex salicifolius var. salicifolius J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  RSA588959  Rumex salicifolius var. salicifolius Orlando Mistretta 1994-6-8 1339 Los Angeles Little Rock Creek: un-named drainage draining N slope of Bare Mountain. 1159 Comment
  RSA611387  Sagina apetala L. C. Wheeler 1936-4-21 4096 Los Angeles San Dimas Wash. 366 Comment
  UC465475  Salicornia virginica C. F. Millspaugh 1920-1-21 4611 Los Angeles Isthmus Santa Catalina Island Comment
  RSA5885  Salicornia virginica C. B. Wolf 1932-9-16 4103 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  CAS-BOT-BC103144  Salix bonplandiana A. D. E. Elmer 1902-6-1 3673 Los Angeles Lancaster Comment
  CAS-BOT-BC108062  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  IRVC28708  Salix exigua A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25495 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA228839  Salix exigua Robert F. Thorne 1971-6-26 40628 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  SD252378  Salix exigua Steven A. Junak 1999-9-10 Sca 1097 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at old road crossing, just downstream from Sca-1096. 85 Comment
  CAS-BOT-BC104139  Salix hindsiana A. D. E. Elmer 1902-6-1 3650 Los Angeles Sangus Comment
  SD126616  Salix laevigata Steve Meyers, Ed LaRue 1989-3-27 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct, San Andreas Rift Zone 883 Comment
  RSA0034814  Salix laevigata Ivan M. Johnston 2017-5-13 1903 Los Angeles El Monte 122 Comment
  RSA0034689  Salix lasiandra F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura (Picture City), Santa Monica Mountains Comment
  LA208804  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-19 7664 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  OBI70670  Salix lasiolepis Louis C. Wheeler 1962-6-30 8154 Los Angeles San Gabriel Mts. Pacoima Cyn at Bad Cyn 975 Comment
  POM362702  Salix lasiolepis Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA0103801  Salix lasiolepis R. G. Swinney 2011-9-27 15693 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road mile SE of Dawson Saddle, from road to 150 m up canyon bottom. 2354 Comment
  SBBG77347  Salix lasiolepis F. R. Fosberg 1931-3-23 34327 Los Angeles Hamilton Cyn, near Avalon 50 Comment
  UC506416  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7666 Los Angeles Ballona Marshes Comment
  UCR258735  Salix lasiolepis R. G. Swinney 2010-3-16 11930 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
  CAS-BOT-BC107555  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles between Calabasas and Agoura 285 Comment
  RSA0115822  Salsola Steven A. Junak 1999-9-9 SCa- 1077 Los Angeles Santa Catalina Island. Top of Black Jack Peak, at microwave installation. 610 Comment
  CAS-BOT-BC176857  Salsola gobicola Ernest C. Twisselmann 1970-9-8 17478 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  RSA524629  Saltugilia splendens subsp. grantii T. S. Ross, S. D. Boyd 1990-5-17 2599 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA67048  Saltugilia splendens subsp. grantii Verne Grant, Alva Grant 1951-6-3 16006 Los Angeles South slope of Cow Canyon, 1.9 mi. W of jct. with San Antonio Canyon rd. 1372 Comment
  RSA0094927  Saltugilia splendens subsp. splendens R. G. Swinney 2011-6-7 15061 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  RSA3533  Salvia apiana Carl B. Wolf 1932-5-9 3477 Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  RSA576923  Salvia apiana S. Carlquist 1983-7-20 15802 Los Angeles Canyon between chapel and gymnasium, Webb School, Claremont. Comment
  RSA613094  Salvia apiana Erin Hewgley, Jeanne Gural 1997-4-18 18 Los Angeles Claremont: Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. West of main road, south of lake. 412 Comment
  RSA442838  Salvia apiana William Emboden 1969-5-28 24 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA401453B  Salvia columbariae H. de Forest 1929-05 s.n. Los Angeles Griffith Park. Comment
  RSA401468  Salvia columbariae F. R. Fosberg 1931-4-23 S 4699 Los Angeles Santa Catalina Island: Cape Canyon 260 Comment
  RSA647871  Salvia columbariae LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 234 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 549 Comment
  SEINET157238  Salvia columbariae K. Devine, C. Devine, S. McNabb 2005-7-26 51 Los Angeles Hollywood Hills in Beverly Hills.Tree People Conservation area where Coldwater Canyon Dr. and Mulholland Dr. meet. Franklin Canyon Trail. 182 Comment
  UCR220192  Salvia columbariae R. G. Swinney 2009-4-7 10303 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
  CHSC42208  Salvia dorrii Blake A. Rowe 1986-3-24 11 Los Angeles 10 mi ne of Canyon Country and Vasques Roacks company park, at s edge of Angeles National Forest. 720 Comment
  SEINET3098306 Image available Salvia dorrii Richard G. Swinney 2009-4-2 10265 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 (Valyermo 7.5 Q.) 1223 Comment
  SEINET13947380 Image available Salvia dorrii Peter H. Raven 1959-1 13904 Los Angeles 2.5 mi W of Littlerock Comment
  CAS-BOT-BC224946  Salvia dorrii var. pilosa Louis C. Wheeler 1932-4-9 573 Los Angeles 4 mi. W Fairmont, Mohave [Mojave] Desert 914 Comment
  RSA446328  Salvia leucophylla H. L. Bauer 1932-5-1 s.n. Los Angeles Santa Monica Mountains: Towards San Fernando Valley. Comment
  SFV16058  Salvia leucophylla P. W. Byrne, M. Hill 1994-5-15 45 Los Angeles San Gabriel Mountains Bear Canyon at Liver Oak Campground. South side of dry riverbed. 600 Comment
  SBBG6503  Salvia mellifera H. and M. Dearing 1938-5-22 1942 Los Angeles Decker Ranch Rd Comment
  RSA434080  Salvia spathacea H. C. Ackley 1927-05 s.n. Los Angeles Mulholland Drive, Los Angeles. Comment
  RSA612437  Sambucus caerulea Bill Campbell 1932-4-23 s.n. Los Angeles Santa Monica Mountains; Los Alisos canyon. Comment
  RSA477560  Sambucus mexicana Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  UCR127198  Sambucus mexicana A. C. Sanders 2003-5-1 26256 Los Angeles Western San Gabriel Mtns., SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property 396 Comment
  CAS-BOT-BC238734  Sambucus nigra subsp. caerulea Le Roy Abrams; E. A. McGregor 1908-7-5 630 Los Angeles Swartout [Swarthout] Canyon, desert slope of the San Gabriel Mountains 1828 Comment
  SBBG119540  Sambucus nigra subsp. caerulea A. C. Sanders with H. Kennedy 2005-4-13 29427 Los Angeles lower Mint Cyn at the community of Mint Cyn 457 Comment
  SBBG31076  Sambucus nigra subsp. caerulea R. F. Thorne 1966-4-28 36210 Los Angeles upper end of Renton Mine Rd, Pebbly Beach Cyn 259 Comment
  UCR259635  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UC1587721  Sanicula arguta Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-18 5159 Los Angeles 950 ft wnw of Stone (at beginning of the Stone Canyon drainage, San Clemente Island); San Clemente Island 441 Comment
  POM3422  Sanicula bipinnata L. R. Abrams 1901-4-3 1301 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA638222  Sanicula bipinnatifida L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  RSA97376  Sanicula bipinnatifida F. W. Peirson 1918-4-28 812 Los Angeles Turnbull Canyon near Whittier, Puente Hills. Comment
  UCR230260  Sanicula crassicaulis Dan S. Cooper 2011-4-14 411- 15 Los Angeles Ernest E. Debs Regional Park, Montecito Heights, SW of South Pasadena between the Pasadena Fwy (111) and the Huntington Fwy (66) 166 Comment
  POM97140  Sanicula tuberosa P. A. Munz 1925-4-23 9438 Los Angeles San Gabriel Canyon. 488 Comment
  SD69525  Sarcocornia pacifica Robert F. Thorne 1966-4-4 35769 Los Angeles Santa Catalina Island; salina behind Ballast Point, Catalina Harbor, Isthmus. Comment
  RSA167648  Schedonorus arundinaceus P. H. Raven, Robert Thorne 1964-5-7 19038 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA587395  Schismus barbatus Orlando Mistretta 1992-5-8 272 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  UCR190850  Schismus barbatus R. G. Swinney 1990-3-19 1533 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR281635  Schismus barbatus R. G. Swinney 2014-5-8 16456 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
  POM50489  Schoenoplectus americanus Le Roy Abrams 1901-04 1448 Los Angeles Los Angeles River. Comment
  POM180180  Scirpus microcarpus Joseph A. Ewan 1931-10-29 5278 Los Angeles 0.5 mile below Seminole Hot Springs, Santa Monica Mountains. Comment
  CATA1060  Scrophularia villosa Mark L. Hoefs 1995-5-10 1993 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  LA81991  Scutellaria tuberosa O. H. Kappler; 1944-5-7 605 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  POM50359  Scutellaria tuberosa L. R. Abrams 1901-4-7 1409 Los Angeles Verdugo Hills Comment
  JEPS48028  Sedum spathulifolium Frank W. Peirson 1919-5-14 428 Los Angeles West Fork Eaton Canyon San Gabriel Mountains, West Fork Eaton Canyon 990 Comment
  CAS-BOT-BC62030  Selaginella bigelovii Le Roy Abrams 1900-3-1 219 Los Angeles Millardo Canyon Comment
  RSA675817  Selaginella bigelovii LeRoy Gross 2003-3-7 774 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  UC1215286  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles opposite Wilson cove; w slope of San Clemente Isl. 60 Comment
  UC813009  Selaginella bigelovii L. W. Nuttall 553 Los Angeles Santa Catalina Isl. Comment
  RSA0038303  Senecio breweri Carl Epling, L. C. Wheeler 1933-6-4 1848 Los Angeles Sandbergs[lodge that burned down in 1961] near Quail Lake. 1310 Comment
  OBI34020  Senecio douglasii var. douglasii Mark Schneider 1973-9-26 s.n. Los Angeles Tujunga Wash. Wentworth St. 100 yds W of Wheatland. Left hand side 457 Comment
  RSA598094  Senecio vulgaris Steve Boyd, Lauren Raz 1997-3-4 9142 B Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA756984  Setaria parviflora A. C. Sanders 2009-11-6 37213 Los Angeles Madrona Marsh, Torrance 24 Comment
  RSA590820  Sibara filifolia D. Propst, Mark Hoefs 1973-6-5 350 Los Angeles Santa Catalina Island, Cape Canyon. 305 Comment
  CAS-BOT-BC384479  Silene antirrhina Peter H. Raven; Henry J. Thompson 1960-5-16 15384 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Ridge east of Temescal Canyon 243 Comment
  POM47666  Silene antirrhina F. W. Peirson 1921-6-19 2681 Los Angeles North Fork of San Gabriel River 1006 Comment
  RSA477866  Silene gallica H. L. Bauer 1932-05 15378 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  SBBG88373  Silene gallica M. B. Dunkle 1939-4-4 7259 Los Angeles Chenetti Cyn Comment
  SD264801  Silene gallica Steven A. Junak, Ralph N. Philbrick 2001-5-18 Sca 1542 Los Angeles UTM in supplement. Santa Catalina Island. Cottonwood Canyon, along N side of Cottonwood-Blackjack Road, ca 1.65 miles WSW of Blackjack Peak. 305 Comment
  RSA15336  Silene gallica C. B. Wolf 1926-4-5 147 Los Angeles Occidental College Campus, Eagle Rock Comment
  UCSB1878  Silene gallica H., J. 1935-4-24 Los Angeles San Dimas Exp. Forest; Wolfskill watershed; trail to East Fork Flume; sec. 14, T 1N, R 8W 609 Comment
  CAS-BOT-BC174892  Silene laciniata Clare B. Hardham 1958-6-14 3699 Los Angeles Chatsworth Hills Comment
  UCSB68628  Silene laciniata subsp. laciniata Gross, LeRoy; Denslow, Michael; Hogshead, Bill 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mountains region: south side of mountains: Brand Canyon; above the large waterfall; where the canyon forks off; near 34.19627N, 118.26582W (Burbank Quad.: T1N R13W S5, NW 1/4 of SE 1/4) UTM Zone 11; 3784447N 0383368E 519 Comment
  SD112868  Silene laciniata subsp. major Darley F. Howe 1948-5-4 1894 Los Angeles Bouquet Canyon. Comment
  RSA596420  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA729690  Silene verecunda subsp. platyota R. G. Swinney 1998-8-31 6865 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. 2415 Comment
  UCD115473  Sisymbrium altissimum James S. Horton 1936-8-26 390 Los Angeles Tanbark. 792 Comment
  RSA0087865  Sisymbrium officinale R. G. Swinney 2010-6-21 13285 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  LA212033  Sisymbrium orientale Duncan S. Bell; Caitlin Elam, Evan Meyer 2013-6-12 5124 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898.0 Comment
  UCD115611  Sisymbrium orientale Daryl Koutnik; Vickie Dawes 1978-5-12 482 Los Angeles Arroyo Sequit along Mulholland Highway. 548 Comment
  UCR95502  Sisyrinchium bellum L. C. Wheeler 1966-9-21 8910 Los Angeles San Gabriel Mtns., south fork of Big Rock Creek in the vicinity of Lily Spring 2378 Comment
  UCD138880  Sisyrinchium bellum Louis C. Wheeler 1967-6-26 9912 Los Angeles San Gabriel Mountains, Placerita Canyon , 0.25 mile east of highway. 457 Comment
  RSA611921  Solanum americanum Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CATA1032  Solanum douglasii Mark L. Hoefs 1995-5-4 1954 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  RSA617703  Solanum douglasii Scott D. White 1997-2-2 4658 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, S of San Dimas Ave, and E of the I-210 Freeway. 244 Comment
  SBBG10936  Solanum douglasii R. Moran 1958-9-15 6830 Los Angeles 1.8 mi SE of Eel Pt 100 Comment
  SEINET13387052 Image available Solanum douglasii R. G. Swinney 2011-1 14082 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
  UCR217423  Solanum douglasii R. G. Swinney 2009-3-10 10063 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR259123  Solanum douglasii R. G. Swinney 2010-5-4 12520 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
  UCR86177  Solanum douglasii L. C. Yoshida, H. Y. Yoshida, et al. 1995-4-29 32 Los Angeles Puente Hills, S slope, E side of Colima Road 183 Comment
  CATA3372  Solanum douglasii Peter J. Dixon 2016-4-14 046 Los Angeles Santa Catalina Island: West (windward) side of island, between Little and Catalina Harbors. 163 m south of Goat Pk. 283 Comment
  CDA41146  Solanum douglasii G. C. Fleischman 1942-8-29 s.n. Los Angeles Medwick & North Foothill Blvd., Altadena. 0 Comment
  RSA0020271  Solanum douglasii Jim Reutzel 1994-5-8 135 Los Angeles Hills behind the Cal Poly Pomona university campus. Comment
  RSA422423  Solanum douglasii Robert Gustafson 1980-9-16 1925 Los Angeles Ballona Wetlands, Area 1. Comment
  UCSB10507  Solanum douglasii Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  NY821434  Solanum nigrum H. E. Hasse 07 1888 4170 Los Angeles Los Angeles Comment
  LA32368  Solanum physalifolium var. nitidibaccatum Peter H. Raven; Henry J. Thompson 1959-10-4 14582 Los Angeles SANTA MONICA MOUNTAINS, Point Mugu, just N of Point Mugu, edges of field by Revolon Slough. 9 Comment
  RSA79502B  Solanum rostratum F. W. Peirson 1906-7-19 1081 Los Angeles Sink near Inglewood. Comment
  RSA703835  Solanum sarrachoides A. C. Sanders, Mark A. Elvin 2002-6-20 25217 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  IRVC26947  Solanum sarrachoides A. C. Sanders, Mark Elvin 2003-8-7 27174 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  CAS-BOT-BC154725  Solanum umbelliferum T. S. Ross; S. D. Boyd 1994-5-10 7718 Los Angeles Liebre Mountains. Warm Springs Canyon: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 682 Comment
  CAS-BOT-BC156798  Solanum umbelliferum T. S. Ross; S. D. Boyd; S. Burns 1994-7-7 8129 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC157596  Solanum umbelliferum Ernest C. Twisselmann 1959-6-2 5328 Los Angeles Summit of Liebre Mountain 1676 Comment
  POM155819  Solanum umbelliferum M. L. Bryan 1928-2-8 94 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  UC1125067  Solanum umbelliferum P. L. Johannsen 1934-1-12 224 Los Angeles Puerco Canyon 304 Comment
  UCR223682  Solanum umbelliferum R. G. Swinney 2009-6-17 11155 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA427471  Solanum umbelliferum Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  CAS-BOT-BC236426  Solanum wallacei Reid Moran 1941-3-8 687 Los Angeles White's Landing, Santa Catalina Island 50 Comment
  LA104412  Solanum wallacei Robert F. Thorne; 1965-5-25 41570 Los Angeles Santa Catalina island, Middle Ranch Canyon, above road cut, ca 1 mi beyond Eagle Nest lodge Comment
  UC370906  Solanum wallacei R. L. Pendleton 1909-7-2 1366 Los Angeles road e of Avalon (Santa Catalina Island); Santa Catalina Island 3 Comment
  SEINET10284850  Solanum xanti Unknown 1991-6-12 s.n. Los Angeles In Claremont; Near Rancho Santa Ana Botanic Garden Comment
  UCD127062  Solanum xanti Marc Meyer 1993-2-27 1 Los Angeles Santa Susana Mts., Moonshine Canyon Park, Porter Ranch, 1.0 miles north of Tampa offramp of 118 Freeway. 400 Comment
  UCR98745  Solanum xanti var. montanum T. S. Ross, Steve Boyd 1990-6-18 3499 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  CATA1093  Sonchus oleraceus Mark L. Hoefs 1995-5-16 2043 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR108410  Sonchus oleraceus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  RSA474106  Sonchus oleraceus F. R. Fosberg 1930-6-23 S- 2965 Los Angeles Del Rey. 1 Comment
  RSA688878  Sorghum halepense R. E. Riefner 2003-10-30 3 -465 Los Angeles City of Chino, Edison Avenue at magnolia Avenue 230 Comment
  RSA611057  Spartium junceum L. C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon. 975 Comment
  RSA653346  Spartium junceum Matt Brooks 1988-5-12 52 Los Angeles Whittier, Skyline Dr. 0.2 miles west of its intersection [with] Turnbull Canyon Rd. Comment
  UCR162577  Spartium junceum Anuja Parikh, Nathan Gale 2004-6-1 2018 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  RSA0097905  Spergularia bocconi Warren Crawford 1915-7-15 508 Los Angeles Claremont. Comment
  CAS-BOT-BC390335  Spergularia macrotheca var. macrotheca Ira L. Wiggins 1949-2-22 11962 Los Angeles Northern end of San Clemente Island Comment
  SBBG94221  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-5-22 54969 Los Angeles Isthmus Harbor Comment
  SBBG96698  Spergularia macrotheca var. macrotheca S. Boyd with T. Ross, L. Arnseth 1990-4-7 4250 Los Angeles lower half of China Cyn, W side Comment
  SD69596  Spergularia marina Robert F. Thorne, P. Everett 1965-5-11 34540 Los Angeles Santa Catalina Island, north of Catalina Harbor Comment
  SBBG97034  Spergularia villosa S. Boyd with T. Ross, L. Arnseth 1990-4-8 4358 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  CHSC5108  Stachys albens M. MacArthur 1967-7-22 93 Los Angeles Ca. 2 mi from Hwy. 101 and ocean, along left side of Latigo Canyon Rd., just past turn-off of Neuton Canyon Rd., Santa Monica Mtns. near Malibou. 152 Comment
  LA52392  Stachys albens J. A. Ewan; 1929-6-22 3436 Los Angeles 350 Comment
  RSA446608  Stachys albens Bonnie C. Templeton 1932-7-20 5015 Los Angeles Big Pines Park. 2092 Comment
  RSA763109  Stachys albens R. G. Swinney 2008-8-13 9362 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  SEINET11191803  Stachys albens Unknown 2011-11-3 15982 Los Angeles San Gabriel Mountains Comment
  SEINET9330891  Stachys albens Unknown 2008-7-12 9171 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon (Glendora 7.5' Q). Riparian zone on canyon bottom, surrounded by chaparral; with Salix lasiolepis, Baccharis salicifolia, Keckiella cordifolia, Juncus rugulosus, etc. Comment
  UC75066  Stachys albens C. F. Baker 1903-8-2 3663 Los Angeles near Claremont; San Antonio Canon Comment
  LA82034  Stachys bullata O. H. Kappler; 1940-6-9 706 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA446683  Stachys rigida subsp. quercetorum Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  LA44571  Stellaria media Carl Epling; March 1925 6441 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA608042  Stenotaphrum secundatum L. C. Wheeler 1947-06 6522 Los Angeles San Gabriel Mountains. Comment
  SD39630  Stephanomeria exigua subsp. coronaria Edith A. Purer 1931-4-8 Los Angeles El Segundo Comment
  UCR206456  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  JEPS36843  Stephanomeria pauciflora F. W. Peirson 1918-8-16 250 Los Angeles San Antonio Canyon San Gabriel Mountains 1371 Comment
  RSA588691  Stephanomeria pauciflora var. pauciflora Orlando Mistretta 1995-7-12 1899 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  RSA659916  Stephanomeria virgata Orlando Mistretta 1991-9-25 s.n. Los Angeles Red Mountain. Comment
  CAS-BOT-BC375813  Stephanomeria virgata unspecified 1901-9-5 205 Los Angeles Pasadena Comment
  UC1394192  Stephanomeria virgata subsp. virgata L. D. Gottlieb 1966-8-13 66157 Los Angeles 1 mi s Crystal Lake (on Hwy 39) 1432 Comment
  UCR213950  Stipa cernua Dave Silverman, Cindy Hopkins 2007-4-27 6782 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, ca. 0.9 miles S of National Cement and 500m NNE of Oso 3804 benchmark 1067 Comment
  UCR51520  Stipa cernua A. C. Sanders 1988-2-3 7603 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  SD69588  Stipa pulchra Robert F. Thorne 1966-4-6 35930 Los Angeles Santa Catalina Island; about 1 mi. W of Empire Landing, rocky slopes 213 Comment
  UCR211815  Stipa pulchra Valerie Soza, LeRoy Gross 2001-5-22 1237 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 655 Comment
  RSA0063156  Stipa pulchra Ivan M. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa. 122 Comment
  UCR129931  Stipa speciosa Orlando Mistretta 1992-5-4 237 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Little Rock Creek, Alimony Ridge 1463 Comment
  RSA429482  Streptanthella longirostris Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCD136484  Stylocline gnaphaloides Louis C. Wheeler 1967-5-8 9295 Los Angeles Liebre Mountains. Between Bouquet Junction and Bonelli Ranch. 381 Comment
  UCR217132  Stylocline gnaphaloides R. G. Swinney 2009-3-6 10052 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  LA50823  Suaeda calceoliformis A. M. Johnson; 1932-5-14 4069 Los Angeles Santa Monica Mountains, mouth of canyon, Pacific Palisades Comment
  UCR281432  Suaeda nigra Mitch Provance 2011-7-14 714- 02 Los Angeles Western Mojave Desert, Lancaster, near Rosamond, NW corner of the intersection of Sierra Hwy. and W Ave. B. 704 Comment
  CAS-BOT-BC110423  Suaeda taxifolia Geo. B. Grant 1902-7-2 s.n. Los Angeles Santa Monica. Comment
  CATA3097  Suaeda taxifolia Amy Catalano, Tyler Dvorak, C. Matt Guilliams, & Steve Junak 2016-5-10 100 Los Angeles Santa Catalina Island: Indian Rock 2 Comment
  SBBG37772  Suaeda taxifolia M. B. Dunkle, B. C. Templeton 1939-4-4 7265 Los Angeles China Pt Comment
  UCSC003632  Symphoricarpos rotundifolius Peter Kamb 1947-6-30 628 Los Angeles San Gabriel Mountains, summit of Mt. Islip. Summit of Mt. Islip 2499 Comment
  JEPS12671  Symphoricarpos rotundifolius var. parishii Frank W. Peirson 1921-6-17 2439 Los Angeles n of Waterman; San Gabriel Mountains 1859 Comment
  RSA774164  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2009-7-22 11327 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  OBI70290  Symphyotrichum greatae Louis C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns: Graveyard Cyn Comment
  RSA249777  Syntrichopappus fremontii R. F. Thorne, Gary D. Wallace 1973-4-25 43403 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  LA2110  Tanacetum parthenium Arthur C. Gibson; 2010-6-27 5288 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, about 200m upstream of bridge of Newton Canyon Trail. Comment
  LA93603  Tanacetum parthenium Walt J Uwate; 1974-1 227 Los Angeles Comment
  JEPS23685  Taraxacum officinale Peter H. Raven and Henry J. Thompson 1959-9-18 14433 Los Angeles near Beverly Glen Boulevard (Santa Monica Boulevard); Santa Monica Mountains, West Los Angeles 76 Comment
  RSA474584  Taraxacum officinale F. R. Fosberg 1930-11-11 S 4184 Los Angeles Templeton, S Puente 100 Comment
  RSA0033873  Tauschia hartwegii John F. Emmel 1997-4-28 1463 Los Angeles Sierra Pelona; along USFS Road 6N07, 1.1 road miles ENE of junction with Road 6N08. 1371 Comment
  UCR84432  Tauschia hartwegii T. S. Ross, Steve Boyd 1993-5-23 7261 Los Angeles San Gabriel Mtns., Liebre Mountains, upper Clearwater Canyon 899 Comment
  RSA529210  Tauschia parishii T. S. Ross, Steve D. Boyd 1991-7-24 5655 Los Angeles Ridge NNE of Granite Mountain. 1926 Comment
  UCR194571  Tetradymia axillaris var. longispina R. G. Swinney 1999-5-1 7088 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  OBI6062  Tetradymia canescens Carl B. Wolf 1931-10-23 2497 Los Angeles Swartout Valley, 1 mi E of Wrightwood Lodge, San Gabriel Mtns Comment
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Jul 4 2013
  PASA957  Tetradymia canescens Frank W. Peirson 1923-8-30 Los Angeles Sumit north of Big Pines Camp 2255 Comment
  SBBG65871  Tetradymia stenolepis R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  RSA631371  Thalictrum fendleri var. fendleri Louis C. Wheeler 1967-9-3 10638 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  LA52209  Thalictrum fendleri var. polycarpum Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA529081  Thermopsis macrophylla T. S. Ross 1991-5-9 5047 Los Angeles Claremont Comment
  JEPS54047  Thlaspi arvense Frank W. Peirson 1918-5-26 66 Los Angeles Henninger Flats; San Gabriel Mts., Henninger Flats 868 Comment
  RSA0124162  Thysanocarpus desertorum R. G. Swinney 2008-5-2 8719 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  CAS-BOT-BC67017  Thysanocarpus laciniatus Timothy S. Ross; Victor W. Steinmann 1995-5-8 8571 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  SBBG87687  Thysanocarpus laciniatus S. Boyd with T. Elias 1987-4-14 2050 Los Angeles Rincon-Red Box Rd, S of Rincon Forest Stn, N of Glendale; T2N, R10W, S25 Comment
  JEPS54207  Thysanocarpus laciniatus Frank W. Peirson 1919-3-30 59 a Los Angeles Tujunga Canyon; San Gabriel Mountains, Tujunga Canyun 457 Comment
  SD252270  Torilis arvensis Steven A. Junak 1999-5-20 Sca 943 Los Angeles Santa Catalina Island: Just south of Cottonwood-Black Jack Road. 305 Comment
  SEINET200095  Toxicodendron diversilobum Peter B. Young 1959-4-1 27 Los Angeles Small dry canyon 1/2 mile from road; near large horseshoe turn, 3 miles from Foothill Boulv. On Angeles Crest Highway. Comment
  SFV2134  Toxicodendron diversilobum K. A. Wilson 1961-2-20 865 Los Angeles San Gabriel Mountains Little Tujunga Canyon. In shaded gully. Comment
  LA201746  Tragopogon porrifolius Arthur C. Gibson; 2001-5-19 4803 Los Angeles 243 Comment
  RSA0105222  Tribulus terrestris R. G. Swinney 2011-10-27 15901 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
  RSA786597  Tribulus terrestris Doris Bowers 1957-4-26 113 Los Angeles LVC, LaVerne 320 Comment
  RSA529921  Trichostema austromontanum subsp. austromontanum Tim S. Ross 1991-8-16 5825 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  SEINET2066374 Image available Trichostema lanatum Dave Charlton 1987-1-31 638 Los Angeles Saddle Peak, Santa Monica Mts. 609 Comment
  UC1293688  Trichostema lanatum P. C. Everett and E. K. Balls 1959-6-2 23842 Los Angeles 1 mi E of entrance to Stokes Canyon Santa Monica Mountains 228 Comment
  UC450967  Trichostema lanatum Fay A. McFadden 1931-5-25 83 E Los Angeles Tuna Hills Verdugo Hills Comment
  UC527178  Trichostema lanatum Carl B. Wolf 1932-5-29 3700 Los Angeles Bouquet Canyon, 3 1/2 mi above where the Los Angeles Aqueduct crosses the road Comment
  UCR143534  Trichostema lanatum C. B. Wolf 1932-5-29 3700 Los Angeles Transverse Ranges; Liebre Mtns region, Adelaide Ranch, Bouquet Canyon, 3.5 mi. above point [near Saugus] where the Los Angeles Aqueduct crosses the road 457 Comment
  SEINET7972542  Trichostema lanatum H. M. Hall, H. P. Chandler 1906-6-12 7404 Los Angeles Near Sangus 381 Comment
  UCD125827  Trichostema lanatum Lester J. Berry 1971-4-28 s.n. Los Angeles Exact location unknown. 914 Comment
  CATA3452  Trichostema lanceolatum Benjamin J. Dion, Olivia Reda, Stuart Olshevski, Jamie Choi 2017-6-29 034 Los Angeles Santa Catalina Island: Interior; Haypress watershed; roadside along the old hunting road above Silver Canyon, off Divide Rd 476 Comment
  IRVC28558  Trichostema lanceolatum A. C. Sanders 2003-8-5 27111 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  RSA0116181  Trichostema lanceolatum R. G. Swinney 2010-10-5 13984 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR131392  Trichostema lanceolatum Alison Lipman 1998-8-25 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rolling Hills, Chandler Comment
  RSA746420  Trifolium Orlando Mistretta 1994-7-12 1402 Los Angeles Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Comment
  SBBG116972  Trifolium depauperatum S. A. Junak with K. Kirkland 2001-4-13 SCa 1434 Los Angeles top of coastal bluffs, overlooking Empire quarry site 237 Comment
  SBBG98633  Trifolium depauperatum T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5332 Los Angeles between Box and Horse Cyns 484 Comment
  RSA0114184  Trifolium depauperatum var. amplectens Steven A. Junak 2000-4-1 Sca- 1160 Los Angeles Santa Catalina Island. Cherry Canyon, above main road. 79 Comment
  SEINET3131834  Trifolium depauperatum var. truncatum G. B. Grant 1904-5-24 1315 -A Los Angeles Pasadena Comment
  UC866748  Trifolium depauperatum var. truncatum Ezra C. Knopf 347 Los Angeles Santa Catalina Island Comment
  SBBG119605  Trifolium dubium A. C. Sanders 2003-5-1 26288 Los Angeles Irwindale, near boundary of Azusa, S side of Montoya St just E of Irwindale Ave, S of interstate 210 171 Comment
  RSA757209  Trifolium gracilentum var. gracilentum Orlando Mistretta, Christine Mistretta 2008-4-3 2288 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  RSA526145  Trifolium gracilentum var. palmeri Steve Boyd, L. Arnseth, T. S. Ross 1990-4-6 4139 Los Angeles San Clemente Island: Stone House field station on E side of island, headland between Stone & Burns Canyons. 457 Comment
  RSA747858  Trifolium hirtum Scott D. White, Justin M. Wood 2009-5-6 12680 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA615303  Trifolium microcephalum Valerie L. Soza 1998-4-26 75 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard: West of main road, SE of Phake Lake, just N of foothill Boulevard. 412 Comment
  RSA601121  Trifolium microcephalum L. C. Wheeler 1967-6-26 9884 Los Angeles Elsmere Canyon 434 Comment
  SBBG47515  Trifolium palmeri M. B. Dunkle 1928-3-31 1770 Los Angeles Little Harbor Comment
  SD153092  Trifolium palmeri Steven A. Junak 1997-4-8 SCl 791 Los Angeles San Clemente Island, west side of the island on flats just north of the upper portion of Wall Rock Canyon; UTM 11 0359015E 3641455N 310 Comment
  RSA226507  Trifolium willdenovii C. W. Tilforth 1971-5-2 351 Los Angeles San Dimas Canyon, n. of Pomona. Comment
  UCR179669  Trifolium willdenovii R. G. Swinney 1995-9-4 4501 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  UCR275035  Trifolium willdenovii Michael Honer, A. C. Sanders, Teresa Salvato 2006-4-14 2190 Los Angeles Tehachapi Mountains area, E-facing roadcut along cement plant rd., c. 2 miles north of aqueduct 976 Comment
  UCR280572  Trifolium willdenovii R. G. Swinney 2014-5-13 16488 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
  RSA595464  Trifolium willdenovii L. C. Wheeler 1967-5-8 9365 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UC1595463  Tropidocarpum gracile Tim Ross 1992-4-4 6077 Los Angeles elevation between 3048 ft (nr sw base) and 3458 ft (summit); sw Mojave Desert, Adobe Mtn USGS 7.5' topo, Adobe Mountain 938 Comment
  UCR192180  Tropidocarpum gracile A. C. Sanders 2008-4-17 34942 Los Angeles Transverse Range, mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 956 Comment
  UCR209934  Typha domingensis R. G. Swinney 2008-7-13 9182 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  RSA0115813  Typha latifolia Steven A. Junak 1999-9-10 SCa- 1095 Los Angeles Santa Catalina Island. Middle Ranch Canyon, inland from Ben Weston Beach (Mills Landing). 91 Comment
  UC1215229  Typha latifolia Peter H. Raven 1962-7-11 18017 Los Angeles San Clemente Island Wilson Cove (below barracks area); San Clemente Island Comment
  UCR151012  Ulmus parvifolia Scott D. White 1997-5-7 5050 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA652302  Umbellularia californica Bill Harris 1949-1-17 sn Los Angeles Found along Glendora Canyon-Mount Baldy roadside. 762 Comment
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Jun 18 2014
  CAS-BOT-BC381905  Uropappus lindleyi John Thomas Howell 1928-5-6 3779 Los Angeles On trail to Madrono [Madrono] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  RSA708544  Uropappus lindleyi Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1180 Los Angeles Western mouth of La Tuna Canyon, north side of La Tuna Canyon. Trail from Tuxford St & Ledge Ave to ridgetop, north of McDonald Creek. 396 Comment
  SBBG39659  Uropappus lindleyi E. R. Blakley 1963-12-8 6400 Los Angeles cyn head above Mosquito Cove and between Triangulation Pts Malo and Chenity 365 Comment
  UC55104  Uropappus lindleyi H. M. Hall 1902-5-11 3270 Los Angeles Sierra Santa Monica Comment
  RSA670396  Uropappus linearifolius B. C. Templeton, I. W. Clokey 1930-4-8 1050 Los Angeles San Francisquito Canyon, San Gabriel Mts. 915 Comment
  UCR259673  Urtica urens R. G. Swinney 2010-4-1 12137 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA533488  Urtica urens Tim S. Ross 1991-3-9 4176 Los Angeles Whittier hills: NE slope at head of Oak Canyon. Area recently burned. 335 Comment
  UC1070436  Venegasia carpesioides F. H. Raymond 1930-1-28 35 Los Angeles Escondido Canyon Triunfo Pass Quad., Escondido Canyon 365 Comment
  UCR276990  Veratrum californicum R. G. Swinney 2010-9-30 13900 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
  RSA550387  Verbascum thapsus Tim S. Ross 1992-7-10 6662 -B Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA650277  Verbascum virgatum John T. Rollins 1948-5-20 s.n. Los Angeles Location 200 ft. East of boat house in Puddingstone Dam. San Dimas. Comment
  RSA762168  Verbascum virgatum Orlando Mistretta, Christine Mistretta 2008-5-6 2679 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  CATA2104  Verbena bracteata Amy Catalano 2014-10-2 016 Los Angeles Santa Catalina Island: Margin of Echo Lake 393 Comment
  RSA411739  Verbena bracteata I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA411759  Verbena lasiostachys Robert Gustafson 1981-4-14 2174 Los Angeles Ballona Wetlands, Area 3. Comment
  SEINET12276488  Verbena prostrata Unknown 1933-1 8496 Los Angeles near Los Angeles Comment
  LA201177  Verbena pulchella Arthur C. Gibson; 2003-4-22 4700 Los Angeles 297 Comment
  RSA411648  Verbena wrightii Austin P. Griffiths 1962-4-26 4515 Los Angeles Location, F-2-N. Comment
  RSA603807  Verbesina encelioides subsp. exauriculata L. C. Wheeler 1933-6-24 1877 Los Angeles Sepulveda Blvd. at Sherman Way. [San Fernando Valley] 198 Comment
  RSA737837  Verbesina encelioides subsp. exauriculata LeRoy Gross, Pamela Conway 2008-10-12 3585 Los Angeles Near end of Mills Ave., below parking area for the Claremont Hills wilderness park. East of Thompson Creek Reservoir. Near 457 Comment
  RSA600148  Veronica anagallis-aquatica Steve D. Boyd, Lauren Raz 1997-5-6 9739 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA0031845  Vicia americana Geraldine Dodd 1992-5-2 005 Los Angeles 3.5 miles north of corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1219 Comment
  UC1922239  Vicia villosa subsp. varia Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 899 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. Near 34deg 15' 12.2'' N 118deg 19' 16.8'' W T2N R14W SW/4 sec. 14. Elev. 1 488 Comment
  UC140886  Viola adunca A. J. McClatchie 1896-7-5 Los Angeles Pasadena 1524 Comment
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Nov 11 2016
  LA51812  Viola pedunculata C. & M. Epling; 1925-5-18 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA592431  Viola pedunculata Mark Hoefs 1973-3-13 60 Los Angeles Santa Catalina Island. Upper Avalon Canyon, by water tank above Wrigley Memorial. 274 Comment
  SD21275  Viola pedunculata Norman E. Bilderback 1938-4-16 Los Angeles Avalon, Catalina Comment
  RSA412679  Viola pedunculata C. B. Liter 1928-4-4 s.n. Los Angeles Catalina Island, near mt. [mountain] top SE of Chicken Johnnie's. Comment
  UC50346  Viola pedunculata H. M. Hall Apr. 1903 3730 Los Angeles Loma Vista near Los Angeles; Loma Vista Comment
  UCR189275  Viola pinetorum R. G. Swinney 1998-5-16 6087 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  POM158077  Viola purpurea subsp. mesophyta L. R. Abrams 1902-7-11 2669 Los Angeles Coldwater Canyon Comment
  UCR182267  Viola purpurea subsp. purpurea R. G. Swinney, Dave Larson 1998-4-26 6033 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
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May 9 2012
  UCR65257  Vitis girdiana F. R. Fosberg 1931-4-13 S- 4585 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  SEINET10691744  Vitis vinifera Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3887 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  RSA589974  Vulpia microstachys var. pauciflora Orlando Mistretta 1994-3-30 946 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  RSA632454  Vulpia microstachys var. pauciflora L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 1027 Comment
  RSA517106  Vulpia myuros Timothy S. Ross 1990-5-14 2461 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1159 Comment
  UCD94889  Vulpia myuros Daryl Koutnik; American Birder 1978-4-15 367 Los Angeles Porter Ranch in the San Fernando Valley, west of Limekiln Canyon. 609 Comment
  SEINET7292848 Image available Vulpia myuros f. megalura Robert F. Thorne 1967-1 36878 Los Angeles Santa Catalina Island; dry, open slope on Salta Verde 244 Comment
  RSA764499  Vulpia myuros var. hirsuta Orlando Mistretta, Christine Mistretta 2008-4-29 2616 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  RSA646992  Vulpia myuros var. myuros LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 184 Los Angeles San Rafael Hills: Ridge running west from lookout Tower, East of the (2) Glendale Freeway., N 34? 11' 12.2'' W 118? 12' 39.0''. 487 Comment
  UCD94669  Vulpia octoflora var. hirtella L. Whitney 1935-3-29 3011 b Los Angeles 20 miles W of Lancaster. Comment
  POM265089  Wyethia ovata Mary Hall 1941-6-21 s.n. Los Angeles Big Tujunga drainage, Chilao Guard Station 1584 Comment
  LA200318  Xanthium spinosum Louis Wheeler; 1932-10-7 1423 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SEINET10725688  Xanthium spinosum David B. Dunn 1940-9-26 Dunn s.n. Los Angeles On fill by U.C.L.A. Botany Garden. Comment
  RSA188366  Xanthium strumarium R. F. Thorne, Percy C. Everett 1965-6-23 34942 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  CAS-BOT-BC196878  Xylococcus bicolor Robert F. Thorne; P. C. Everett 1964-2-6 33290 Los Angeles Above Fourth of July Cove, Santa Catalina Island 30 Comment
  RSA582963  Xylococcus bicolor T. S. Ross, Janet Takara 1993-4-23 6942 -a Los Angeles Santa Catalina Island, upper E side of Cottonwood Canyon Drainage, ca. 1035 m WNW of Black Jack Mtn. Summit 436 Comment
  POM362069  Xylorhiza tortifolia J. Aug Kusche 1922-05 2080 Los Angeles Mojave Desert Comment
  UC1536886  Xylorhiza tortifolia var. tortifolia G. H. True 1935-4-19 246 Los Angeles side of rocks upper slopes Lovejoy B. Comment
  UC874667  Yabea microcarpa F. R. Fosberg 1931-3-23 S 4339 Los Angeles Hamilton Canyon; Santa Catalina Island 25 Comment
  RSA589948  Yucca brevifolia var. brevifolia Timothy S. Ross 1991-4-27 4672 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg SW of Three Sisters [Buttes]. 1003 Comment
  UC1272486  Yucca whipplei Howard J. Arnott 1955-6-21 80 Los Angeles 3.5 mi e Highway Alternate 101 (in hills overlooking Malibu Beach) Comment
  UCR205910  Yucca whipplei R. G. Swinney 2008-5-5 8757 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA607095  Yucca whipplei var. whipplei Louis C. Wheeler 1932-5-28 791 Los Angeles San Antonio Canyon, San Gabriel Mountains. 671 Comment
  CAS-BOT-BC454239  Zannichellia palustris Peter H. Raven; Henry J. Thompson 1959-10-18 14671 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mouth of Malibu Creek on north arm of Malibu Lake 220 Comment
  SEINET10661792  Zea mays Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2630 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  CATA749  Zeltnera venusta Mark L. Hoefs 1991-5-22 1278 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA631077  Zigadenus fremontii Louis C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 579 Comment
  RSA525103  Zinnia elegans Timothy S. Ross, Steve Boyd 1990-7-13 s.n. Los Angeles Claremont: near the eastern edge of the Johnson Oval, immediately to the south of the administration building (a.k.a. the Plant Science Center) on RSABG grounds. Comment



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