Search Results — 2000 specimen records retrieved (1542 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1614068  Abronia Charles M. Belshaw 1935-3-29 484 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  SBBG89736  Abronia maritima F. R. Fosberg 1931-5-16 4881 Los Angeles Little Harbor 2 Comment
  LA200661  Abronia maritima Jonathan Sauer; D. Birindelli, L. Birindelli 1968-5-6 4345 Los Angeles Santa Monica Mountains, Point Dume 365 Comment
  UCR157992  Abronia pogonantha David Charlton 1989-5-17 3184 Los Angeles Western Mojave Desert, southwest of Piute Ponds, Edwards Air Force Base 701 Comment
  RSA460993  Abronia umbellata H. G. Whitmore 1947-4-27 5 Los Angeles Playa del Rey sand dunes, 400 yrds from ocean Comment
  RSA460994  Abronia umbellata T. A. B., B. E. B. 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA0048568  Abronia villosa Geo. R. Julian 1962-4-20 s.n. Los Angeles 10 miles East of Pearblossom. Comment
  RSA0065426  Acacia retinodes Marvin L. Becker 1948-2-13 s.n. Los Angeles Priv. res. Los Angeles. Comment
  CAS-BOT-BC412581  Acanthoscyphus parishii var. parishii James L. Reveal; C. Rose Broome 1987-6-25 6576 Los Angeles San Gabriel Mountains, along the Angeles Crest Highway (California Highway 2) at milepost 66.8, 3.1 miles east of the junction of California Highway 39 and 3 miles southwest of Dawson Saddle 2346 Comment
  CAS-BOT-BC331569  Acer macrophyllum Carl Epling; Lincoln Ellison 1929-5-18 s.n. Los Angeles Santa Monica Mountains. Topango Canyon Comment
  LA49819  Acer macrophyllum W. O. Griesel; 1936-5-9 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM184685  Acer macrophyllum Joseph A. Ewan 1932-6-17 7361 Los Angeles San Gabriel Mountains. Upper Arroyo Seco. Upper Sonoran zone. Fine trees along stream with sycamores. 1098 Comment
  RSA0056532  Acer macrophyllum Orlando Mistretta 1992-5-16 13 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains region. Comment
  RSA596370  Achillea millefolium R. G. Swinney 1989-4-15 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park ''Owl Flats'' 442 Comment
  CAS-BOT-BC21686  Achillea millefolium Wesley O. Griesel 1961-5-6 s.n. Los Angeles La Canada 457 Comment
  RSA755463  Achnatherum parishii subsp. parishii R. G. Swinney 2008-7-16 9258 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA239028  Achnatherum speciosum C. W. Tilforth, John Dourley 1973-5-24 816 Los Angeles Bob's Gap, ca. 2 miles NE of Valyermo, north desert slope of San Gabriel Mountains. Comment
  LA30865  Acmispon glaber var. glaber Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 168 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  OBI70602  Acmispon maritimus var. maritimus Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9452 Los Angeles Liebre Mtns Region: Upper watershed of Osito Cyn between I-5 and the Old Ridge Rte, vicinity of "Osito Flat", a distinctive, open grassy break in slope under the high tension power lines. T6N R17W SE 3/4 sec 7 914 Comment
  SBBG47513  Acmispon maritimus var. maritimus M. B. Dunkle 1932-6-2 2169 Los Angeles White's Landing Comment
  SD232248  Acmispon micranthus V. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Transerve Ranges, San Gabriel Mountains region: Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway. 473 Comment
  CATA1707  Acmispon strigosus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3027 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  UCD104532  Acmispon wrangelianus A. C. Sanders; E. J. Lawlor 1988-4-3 7758 Los Angeles Southwestern end of the Tehachapi Mountains, one mile NW of Gorman on a gasline road, 0.4 mi. above the old highway. 1280 Comment
Read comments
Oct 21 2018
  SD69688  Acourtia microcephala Robert F. Thorne, P. Everett 1965-6-22 34890 Los Angeles Santa Catalina Island; upper end of Avalon Canyon along road. 214 Comment
  RSA0068253  Adenostoma fasciculatum R. G. Swinney 2010-3-22 12081 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA657350  Adenostoma fasciculatum J. Stephens 1980-6-1 33 Los Angeles Verdugo Mountains Region: At foot of chaparral covered hillside, northeast of Maurice Ave., La Crescenta. 747 Comment
  UCR126708  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2003-8-7 27152 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  UCR223460  Adenostoma fasciculatum R. G. Swinney 2009-6-8 11095 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
  UCR189936  Adenostoma sparsifolium T. B. Salvato, Sandra Murcia 2007-10-18 3091 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  RSA687689  Adiantum jordanii May N. Ackley 1938-5-28 433 Los Angeles Elizabeth Lake Canyon Comment
  RSA466289  Aeonium arboreum A. C. Sanders 1988-2-3 7597 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA674728  Ageratina adenophora Scott D. White, P. DeVries 2000-5-18 7918 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
  JEPS36271  Agoseris grandiflora var. grandiflora F. W. Peirson 1919-6-5 458 Los Angeles San Antonio canyon San Gabriel Mts., San Antonio canyon 1341 Comment
  RSA732779  Agoseris retrorsa R. G. Swinney 2000-6-19 7819 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA0073291  Agoseris retrorsa Bonnie C. Templeton 1932-5-31 4856 Los Angeles West Blue Ridge, Big Pines Camp, San Gabriel Mts. Comment
  RSA0062634  Agrostis R. G. Swinney 2010-9-9 13773 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
  UCR203099  Agrostis R. G. Swinney 2001-8-27 8109 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  RSA191130  Agrostis exarata R. F. Thorne, M. Z. Thorne 1967-7-19 37143 Los Angeles San Gabriel Mountains, Angeles National Forest, Crystal Lake Recreation Area; above junction of roads to Crystal Lake and Angeles Crest Highway 1555 Comment
  UC1595325  Agrostis exarata Tim Ross and Orlando Mistretta 1992-7-24 6771 Los Angeles vicinity Strawberry Spring (76 degrees ene, 900 m distant from Strawberry Peak summit); San Gabriel Mts. 1460 Comment
  RSA228908  Agrostis idahoensis R. F. Thorne 1971-8-25 41313 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  CAS-BOT-BC139058  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  SBBG133195  Agrostis pallens S. A. Junak 1996-4-13 SCI- 315 Los Angeles just S of 1st cyn S of Bryce Cyn, facing ocean 182 Comment
  UCR205988  Agrostis stolonifera R. G. Swinney 2001-9-16 8168 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  LA21559  Allium haematochiton Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA633357  Allium lacunosum var. davisiae L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  UC3098  Allium monticola H. M. Hall 1899-6-17 1235 Los Angeles San Antonio Peak 2743 Comment
  RSA678782  Allophyllum divaricatum Valerie L. Soza, LeRoy Gross 2002-4-16 1415 Los Angeles Ridge between Pettinger and Dry canyons, beneath powerlines along FS road 6N21. Stables Fire 2001 area. 598 Comment
  RSA187853  Allophyllum glutinosum R. F. Thorne 1966-4-28 36229 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA667017  Allophyllum glutinosum Scott D. White 1995-10-19 3714 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  CHSC95781  Alnus rhombifolia LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 551 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  RSA750455  Alnus rhombifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37074 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  SFV12455  Alnus rhombifolia M. H. Grayum, D. L. Koutnik, B. Balch 1978-1-8 943 Los Angeles San Gabriel Mountains Along creek in Los Pinetos Canyon. 564 Comment
  UCR276796  Alnus rhombifolia R. G. Swinney 2011-3-29 14243 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
  UCR48960  Aloe brevifolia A. C. Sanders 1987-7-22 7145 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CATA1537  Amaranthus deflexus Mark L. Hoefs 1996-7-11 2762 Los Angeles Santa Catalina Island: Catalina Street, one block up from Crescent Street, Avalon 6 Comment
  LA31570  Amaranthus deflexus Peter H. Raven; Henry J. Thompson 1958-9-19 13717 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach. Road borders United States Highway 101 45 Comment
  UCR205654  Amaranthus palmeri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36991 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
  UC56558  Amaranthus powellii L. A. Greata Los Angeles Los Angeles Southern California Comment
  UC468991  Amblyopappus pusillus R. L. Pendleton 1909-7-2 1376 Los Angeles road e of Avalon; Santa Catalina Island 9 Comment
  OBI82119  Ambrosia acanthicarpa R. G. Swinney 2009-11-13 11611 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA416893  Ambrosia acanthicarpa F. R. Fosberg 1931-11-7 7206 Los Angeles Small creek near Castaic, Santa Clara Valley. 300 Comment
  SBBG54460  Ambrosia acanthicarpa L. R. Abrams 1930-9-19 12908 Los Angeles Los Angeles Comment
  SD107877  Ambrosia chamissonis Mark Hoefs 1973-4-15 183 Los Angeles Santa Catalina Island, Ben Weston Beach on dunes 7 Comment
  RSA0087093  Ambrosia salsola R. G. Swinney 2010-6-1 13074 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  UCR43315  Amelanchier utahensis David Charlton 1986-6-15 283 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  SFV17015  Amorpha californica var. californica J. D. Dilley 1997-5-22 182 Los Angeles Verdugo Mountains Verdugo Mountains. La Tuna Canyon Park on La Tuna Canyon, 1 mile west of Interstate Highway 210. 0.5 miles upstream. 550 Comment
  UCR108422  Amorpha californica var. californica L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mtns., Henninger Flats 793 Comment
  CATA2811  Amsinckia intermedia Howard L. Ferguson 1980-3-10 199 Los Angeles San Clemente Island: NW end of island near large antennae 30 Comment
  RSA748401  Amsinckia intermedia R. G. Swinney 2008-4-1 8602 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  SBBG63531  Amsinckia intermedia R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SDSU4896  Amsinckia intermedia R. M. Beauchamp 1967-1-29 155 Los Angeles San Clemente Island. Comment
  RSA166081  Amsinckia intermedia E. R. Blakley 1963-12-8 6411 Los Angeles San Clemente Island, between Northwest Harbor and Whale Point. 15 Comment
  SD52432  Amsinckia intermedia Benjamin C. Stone 1953-3-16 306 B Los Angeles San Jose-Puente Hills, South of Pomona on the Brea Canyon Road 245 Comment
  UC1922569  Amsinckia menziesii Gary Kovnat with LeRoy Gross 2003-2-16 18 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  VVC2916  Amsinckia menziesii Tim Thomas 2014-5-4 6287 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  RSA0088144  Amsinckia tessellata R. G. Swinney 2010-6-1 13089 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  UCR180358  Amsinckia tessellata var. tessellata Scott D. White, Pam Devries 2006-5-9 11394 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  POM3635  Anagallis arvensis E. L. Brown 1893-05 s.n. Los Angeles Hillsides near Pasadena Comment
  RSA593441  Anagallis arvensis Steve Boyd 1996-4-25 8698 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
  SDSU9835  Anagallis arvensis D. F. Howe 1953-5-2 2273 Los Angeles Hillside S of mouth of Wain Canyon, Santa Catalina Island. Comment
  RSA588053  Androsace elongata subsp. acuta Orlando Mistretta 1994-4-15 1049 Los Angeles Santiago canyon: W slopes of drainage near confluence with Little Rock Creek. 1113 Comment
  CAS-BOT-BC400311  Anemopsis californica Brian C. Miller 1963-7-5 s.n. Los Angeles Hwy 399, one mile southeast of Gorman 1066 Comment
  SBBG68170  Anisocoma acaulis R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  CAS-BOT-BC64024  Anisocoma acaulis Frank W. Peirson 1924-5-14 4608 Los Angeles Near Summit Cajon Pass Comment
  RSA507542  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles Elsmere Canyon. 457 Comment
  RSA0073588  Antheropeas wallacei Orlando Mistretta, Christine Mistretta 2003-4-30 1981 Los Angeles Saddleback Butte State Park. 824 Comment
  RSA0110798  Anthriscus caucalis R. G. Swinney 2011-4-28 14532 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  RSA646979  Anthriscus caucalis LeRoy Gross 2000-4-22 173 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 518 Comment
  UC1584247  Antirrhinum coulterianum Tim Ross and Steve Boyd 1990-6-6 2822 Los Angeles Green Valley Pasture (in San Francisquito Canyon), Lake Hughes U.S.G.S. 7.5' Quad. (in San Francisquito Canyon) 926 Comment
  JEPS13618  Antirrhinum multiflorum Peter Kamb 1947-6-1 544 Los Angeles Red Box Gap; San Gabriel Mts. 1402 Comment
  SFV2576  Apiastrum angustifolium M. L. Vincent 1963-5-7 335 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  RSA0016871  Apiastrum angustifolium John O Leary 1979-04 s.n. Los Angeles Zuma Canyon, about 0.9 miles above the end of Bonsell Drive. Santa Monica Mts. 99 Comment
  RSA187792  Aptenia cordifolia R. F. Thorne 1966-9-16 36726 Los Angeles Santa Catalina Island: edge of parking lot, Avalon 12 Comment
  SBBG98272  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  SBBG71702  Aquilegia formosa R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA503186  Aquilegia formosa Gary D. Wallace 1975-7-12 1444 Los Angeles Angeles National Forest: just W of Lodgepole Picnic Ground. West Fork Dorr Canyon at springs above road. 2311 Comment
  RSA0029416  Arabis John F. Emmel 1996-5-11 1397 Los Angeles Sierra Pelona, SSE of Bouquet Reservoir; along USFS Road 6N07, 1.2 road mi west of junction with USFS Road 6N08. 1402 Comment
  RSA0126230  Arabis glabra var. glabra Mike Hammitt, Jason Rick 1991-6-19 s.n. Los Angeles Sawpit Canyon. 549 Comment
  UCR190105  Arabis platysperma R. G. Swinney 1998-8-27 6811 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  RSA0091331  Arabis repanda R. G. Swinney 2011-8-17 15631 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  SEINET10532881  Araucaria bidwillii David B. Dunn 1939-10-25 Dunn UMO 46542 Los Angeles Cultivated tree near Colorado Blvd and Orange, Pasadena, California. Comment
  SBBG119287  Arbutus menziesii V. Soza, L. Gross 1999-7-15 630 Los Angeles Helispot off Mt Wilson Trail, ca. 2.7 mi from trailhead in Sierra Madre; T1N R11W NW/4, NW/4 S9 822 Comment
  RSA638925  Arceuthobium californicum Louis C. Wheeler 1946-8-25 6243 Los Angeles San Gabriel Mountains: Ridge at southerly end of Crystal Lake. Comment
  CAS-BOT-BC410154  Arceuthobium occidentale W. R. Dudley; F. H. Lamb 1896-6-9 4411 Los Angeles Elizabeth Lake Canyon, Liebre Mountains Comment
  RSA167842  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1964-2-7 33491 Los Angeles ridge S of Bulrush Canyon, Santa Catalina Island 396 Comment
  RSA626808  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22092 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  CAS-BOT-BC39343  Arctostaphylos glauca Brandegee 1889-5-1 s.n. Los Angeles Pasadena Comment
  POM367310  Arctostaphylos glauca I. M. Johnston 1930-2-9 4000 Los Angeles Burkhart Ranch 1220 Comment
  RSA0091353  Arctostaphylos glauca R. G. Swinney 2011-6-15 15165 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA631572  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15649 Los Angeles Angeles Forest Highway, 1.8 km south of Hidden Springs Cafe. 850 Comment
  RSA70872  Arctostaphylos glauca F. W. Peirson 1919-1-29 315 Los Angeles Inspiration Point, Mt. Lowe 1372 Comment
  RSA634725  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20524 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634818  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20233 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635170  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22037 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA725893  Arenaria douglasii A. C. Sanders 2003-5-1 26251 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch. 412 Comment
  UCR182742  Arenaria macradenia R. G. Swinney 1997-7-16 5657 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
  RSA667896  Argemone munita Michael Denslow, V. Soza 2002-7-10 693 Los Angeles North side of mountains. Road side; off Big Rock Creek road on the road to south fork campground. 1372 Comment
  RSA722083  Argyranthemum foeniculaceum R. E. Riefner 2007-3-10 07 -118 Los Angeles Palos Verdes Peninsula, Malaga Cove, Paseo del Mar St. at Palos Verdes Dr. West. 91 Comment
  SD181777  Aristida purpurea var. parishii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 400 Los Angeles LA Basin, Vedugo Mtn Reg, NW side, N of Ledge Ave & Tuxford St, W of McDonald Ck, City of Sun Valley; Burbank [quad]. On ridge that runs down to mouth of McDonald Ck, on W side of creek, on sunny S-facing slope on hill to E of ridge. 366 Comment
  POM277138  Artemisia californica E. S. Steele, H. S. Pratt 1935-10-11 s.n. Los Angeles Glen Oaks Hills, Glendale Comment
  RSA288970  Artemisia californica Lyman Benson 1933-11-12 5721 Los Angeles Westwood, Beverly Hills. 122 Comment
  RSA417240  Artemisia californica F. R. Fosberg 1931-1-7 853 Los Angeles Sierra Madre. 300 Comment
  UC472240  Artemisia californica F. M. Reed 1909-7-2 2810 Los Angeles Pebbly Beach Road Catalina Island 15 Comment
  CAS-BOT-BC90339  Artemisia douglasiana P. A. Munz; I. M. Johnston 1918-5-19 2263 Los Angeles Claremont Comment
  SD253367  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 metrers east of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 648 Comment
  CAS-BOT-BC93861  Artemisia dracunculus Gaines 1939-8-1 s.n. Los Angeles Low ground at mouth of canyon near U.C.L.A. campus, Westwood, Los Angeles. Comment
  RSA638230  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1967-9-4 10648 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  CAS-BOT-BC97292  Artemisia tridentata subsp. parishii Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  CAS-BOT-BC97331  Artemisia tridentata subsp. tridentata C. B. Wolf 1931-10-23 2493 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  RSA417399  Artemisia tridentata subsp. tridentata E. Fitzgerald 1930-07 s.n Los Angeles Eastern Sierra: opposite Devil's Punchbowl, Angeles National Forest. Comment
  POM246789  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 4888 Los Angeles Santa Catalina Island. Little Harbor. 5 Comment
  POM202307  Asclepias eriocarpa L. M. Booth 805 Los Angeles Burbank Comment
  UCR52598  Asclepias vestita L. F. LaPre 1988-7-2 s.n. Los Angeles Western Mojave Desert, Del Sur Ranch, 6 mi. west of Lancaster, near intersection Ave G & 100th Street West 765 Comment
Read comments
Feb 10 2008
  RSA686312  Aspidotis californica G. R. Proctor 1944-02 782 Los Angeles Sepulveda Canyon Comment
  PASA1806  Aster tortifolius Margaret Stason 1930-5-18 Los Angeles E. Adelanto Comment
  CAS-BOT-BC177526  Astragalus bicristatus Le Roy Abrams; E. A. McGregor 1908-7-5 646 Los Angeles [Swartout] Swarthout Canyon, desert slopes of the San Gabriel Mountains 1981 Comment
  RSA591697  Astragalus coccineus Michael C. Long, P. H. Sullivan, D. W. Foster 1974-4-21 a.n. Los Angeles Holcomb Creek, 1/4 mile S of Big Rock Creek. 1189 Comment
  RSA0069324  Astragalus didymocarpus var. dispermus Dean Wm. Taylor 2003-3-26 18474 Los Angeles Vincent, ca. 1.5 air mile NW of Vincent electrical substation (along steel-tower electrical transmission line corridor); Soledad Pass Vicinity. 975 Comment
  RSA618696  Astragalus didymocarpus var. dispermus Scott D. White, Sandy Leatherman 1998-5-19 6512 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR273640  Astragalus gambelianus Steven A. Junak 2001-5-4 SCa- 1489 Los Angeles Channel Islands, Santa Catalina Island, southeast of beach at Parson's Landing 122 Comment
  POM145515  Astragalus lentiginosus J. B. Feudge 1925-5-23 1133 Los Angeles Lancaster. 716 Comment
  CAS-BOT-BC187094  Astragalus lentiginosus var. borreganus I. M. Johnston 1917-8-24 1655 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  RSA479534  Astragalus leucolobus Steve Boyd, Laura Kopase 1987-6-8 2076 Los Angeles 5 miles WNW of Wrightwood in Cedar Canyon near jct. w/ Mescal Creek. 1524 Comment
  RSA596973  Astragalus leucolobus R. G. Swinney 1996-5-27 4864 Los Angeles Eastern San Gabriel Mountains: N of Wrightwood, E of Table Mountain, ca. 0.25 mile SE of Smithsonian Observatory 2195 Comment
  SBBG31541  Astragalus miguelensis R. M. Beauchamp 1967-3-19 323 Los Angeles sandy area S of the runway, Sherman Field Comment
  SD51896  Astragalus miguelensis Peter H. Raven 1962-7-12 18028 Los Angeles San Clemente Island, on sandy slopes near point at east end of Northwest Harbor 29 Comment
  UC1215131  Astragalus miguelensis Peter H. Raven 1962-5-8 17620 Los Angeles near summit of ridge above Wilson Cove (San Clemente Island); , above Wilson Cove 121 Comment
  SD41982  Astragalus pachypus var. pachypus Darley F. Howe 1947-5-5 1529 Los Angeles East of Littlerock. Comment
  CAS-BOT-BC193087  Astragalus pycnostachyus var. lanosissimus L. R. Abrams 1901-8-1 2184 Los Angeles Ballona Harbor Comment
  UC192246  Astragalus pycnostachyus var. lanosissimus Samuel B. Parish Oct 1882 1117 Los Angeles near Santa Monica; near Santa Monica Comment
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Mar 12 2011
  POM275905  Astragalus trichopodus var. lonchus Delzie Demaree 1933-4-17 10278 Los Angeles Angeles Mesa. Southwest Los Angeles. Comment
  RSA0006878  Astragalus trichopodus var. lonchus R. C. Barneby s.n. Los Angeles Los Angeles and Ventura counties. Comment
  UC397229  Astragalus trichopodus var. lonchus George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 74 -6262 Los Angeles Santa Catalina Island Santa Catalina Island (Pacific Ocean) Comment
  CAS-BOT-BC199089  Astragalus trichopodus var. phoxus Louis C. Wheeler 1973-5-6 s.n. Los Angeles Near the mouth, east side little Tujunga, near BM. 1227, San Gabriel Mountains 396 Comment
  LA200442  Astragalus trichopodus var. phoxus Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA524185  Astragalus trichopodus var. phoxus T. S. Ross, S. D. Boyd 1990-6-6 2861 Los Angeles 0.3 miles ESE of Oak Flat Spring near the intersection of Threemile Grade x the road W to Camp Caula; Los Padres National Forest (admin. by Angeles N.F.). 840 Comment
  UCD105458  Astragalus trichopodus var. phoxus E. R. Burroughs 1921-5-19 s.n. Los Angeles Tarzana Ranch, Van Nuys. Comment
  UCR253905  Astragalus trichopodus var. phoxus Mitch Provance 2009-6-24 0609- 3 Los Angeles Western Transverse Range, about 5 miles SE of Pyramid Lake , c. 0.5 mi. SE of Whitaker Summit on Golden State Highway, adjacent to I-5 820 Comment
  CATA1667  Astragalus trichopodus var. trichopodus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-17 2956 Los Angeles Santa Catalina Island: Mouth of Silver Canyon, 1/16 to 1/8 mile from beach 9 Comment
  RSA533986  Atriplex argentea T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5139 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  SBBG13701  Atriplex argentea var. expansa P. H. Raven 1962-7-10 17964 Los Angeles summit of island above Wilson Cove 137 Comment
  UC110271  Atriplex californica Katharine Brandegee 1893-10-15 Los Angeles Redondo Comment
  SD232658  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13943 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Hwy at Ave G, to 1/10 mi.NW of intersection. 705 Comment
  SD60407  Atriplex coulteri Peter H. Raven 1962-5-21 17799 Los Angeles Santa Catalina Island; road from Middle Ranch to Bullrush Canyon. 245 Comment
  UCR275237  Atriplex glauca Dan S. Cooper 2010-2-17 s.n. Los Angeles South Coast, Hyperion 18 Comment
  CAS-BOT-BC170111  Atriplex lentiformis Geo. B. Grant 1912-7-2 s.n. Los Angeles Santa Monica Comment
  RSA478283  Atriplex lentiformis subsp. breweri Anstruther Davidson 3289 Los Angeles E. Los Angeles. Comment
  UC1922003  Atriplex lentiformis subsp. lentiformis R. E. Riefner Jr. 2006-7-29 06 -328 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. Comment
  RSA0046813  Atriplex leucophylla Mark L. Hoefs 1995-5-30 2158 Los Angeles Santa Catalina Island: Ben Weston Beach. 4 Comment
  RSA65385  Atriplex pacifica F. W. Peirson 1923-4-11 3461 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  CAS-BOT-BC176357  Atriplex parryi Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  POM11225  Atriplex parryi Roxana S. Ferris 1918-6-12 s.n. Los Angeles Lancaster. Comment
  RSA279138  Atriplex prostrata R. F. Thorne 1974-9-13 s.n. Los Angeles Santa Catalina Island. E side of inner Catalina Harbor. Comment
  UC1136335  Atriplex semibaccata R. St. John 1933-2-16 340 Los Angeles Castellamare Calabasas Quad., Castellamare 60 Comment
  UC54950  Atriplex semibaccata H. P. Chandler 1902-9-9 2020 Los Angeles roadside near Ballona Lagoon; near Ballona Lagoon Comment
  RSA478429  Atriplex serenana E. S. Spalding 1922-10-9 s.n. Los Angeles Los Angeles. Near Exposition Park. Comment
  RSA65343  Atriplex truncata F. W. Peirson 1904-8-22 1819 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  RSA0047411  Avena barbata R. G. Swinney 2010-5-4 12481 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA670752  Avena barbata Joseph M. Keefe 2001-3-19 31167 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles west of Harvey Drive; Glendale, CA 91208., 34 deg 09'42.2 North, 118 deg 11'42.5 West. 470 Comment
  SBBG133371  Avena fatua J. Lambert, S. McDonough 2005-4-6 Bot 51 -05 Los Angeles Swat 2 by frogman shelter 18 Comment
  RSA463069  Avena sativa Lyman Benson 1939-4-14 9337 Los Angeles Hermosa Beach. 15 Comment
  SD112058  Azolla filiculoides Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island, Cottonwood Creek Comment
  UCR23357  Azolla filiculoides John C. Roos 1942-3-7 1009 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  UC1234792  Azolla filiculoides Peter H. Raven 1962-5-22 17853 Los Angeles ca. 1 mi below Ranch Middle Creek; Santa Catalina Isl. Comment
  CATA1765  Baccharis glutinosa Benjamin E. Carter, John Clark & Elizabeth Baniaga 2012-7-24 6898 Los Angeles Santa Catalina Island: Toyon Bay. Upper border of developed area with buildings. Grassy understory dominated by Piptatherum milliaceum 24 Comment
  RSA617180  Baccharis pilularis R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns, and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries, Little Dalton Canyon, Little Dalton Debris basin 366 Comment
  UCR95779  Baccharis pilularis Lauren Raz, Steve Boyd 1996-10-23 017 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  CHSC85564  Baccharis salicifolia John Dittes 2003-12-23 855 Los Angeles Western Transverse Range; north slope of Verdugo Mts. In La Tuna Cyn.; ca. 3.4 air-miles north of Burbank City Hall, ca. 1.1 air-mile east by southeast of La Tuna Canyon Flood Debris Basin, ca. 2.0 air-mile south of Verdugo Hills High School; drainage south of La Tuna Cyn. Road. 457 Comment
  LA91478  Baccharis salicifolia Bruce Douglas Clayton; Greg Clayton 1972-4-7 78 Los Angeles 472 Comment
  POM250380  Baccharis salicifolia I. W. Clokey, E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Mountains, San Gabriel Canyon 900 Comment
  RSA598933  Baccharis salicifolia Scott D. White 1997-3-12 4754 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  RSA786886  Baccharis salicifolia Doris Bowers 1957-2-16 937 Los Angeles Dalton Canyon 610 Comment
  UCSB9955  Baccharis salicifolia Haller, Norman 1953-3-29 Los Angeles Mulholland Dr., approx. 200 yds. west of Sepulveda on small dirt road; Santa Monica Mts. 426 Comment
  UC893724  Baccharis salicifolia subsp. salicifolia I. W. Clokey and E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Canyon 900 Comment
  UC55077  Baccharis salicifolia subsp. salicifolia Miss E. D. Palmer Los Angeles Los Angeles Comment
  SFV1328  Berberis pinnata M. L. Vincent 1962-4-6 160 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 2 miles west of New Topanga Road. Rocky hillside. Comment
  RSA438417  Bergerocactus emoryi M. B. Dunkle 1939-4-2 7218 Los Angeles San Clemente Island. Pyramid Cove. Comment
  SD69359  Beta macrocarpa Robert F. Thorne, P. Everett 1965-5-11 34538 Los Angeles Santa Catalina Island; salt flats north and rocky shore line along Catalina Harbor. Comment
  RSA350847  Bidens laevis Anstruther Davidson 2029 Los Angeles Foothill, Los Angeles Comment
  UCR132312  Bidens pilosa John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  CAS-BOT-BC101987  Bidens pilosa P. A. Munz 1918-5-19 2260 Los Angeles Claremont Comment
  RSA678138  Bituminaria bituminosa Valerie L. Soza, Monica Acosta, Tasha La Doux, Michael Wall 2001-6-28 1308 Los Angeles Upper Forest Service Road 2N66, between Fern Canyon and Pine Canyon. Comment
  RSA601574  Bloomeria crocea L. C. Wheeler 1967-6-16 9845 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  UCR100612  Bloomeria crocea B. G. Pitzer 1996-5-5 2849 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR192923  Bloomeria crocea Dan S. Cooper 2008-5-4 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon Road beyond end of Green Oak Dr., Los Angeles 260 Comment
  RSA656675  Bloomeria crocea G. Pitto 1980-6-8 49 Los Angeles At base of trail, south end of Hinderberg Park [Crescenta Valley Park] bottom of Dunsmore Ave. La Crescenta. 518 Comment
  RSA367451  Bloomeria crocea var. crocea Anstruther Davidson 1908-7-7 3102 Los Angeles Topanga Comment
  SEINET3260210 Image available Bolboschoenus maritimus R. G. Swinney 2008-4-30 8699 Los Angeles San Gabriel Mtns.; Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  SBBG59227  Bolboschoenus maritimus subsp. paludosus R. Hoffmann 1927-8-30 Los Angeles Santa Clara River near Castaic Comment
  POM301715  Bothriochloa barbinodis J. C. Roos 1937-6-29 1483 Los Angeles Malibu Beach. Comment
  RSA451998  Bowlesia incana F. R. Fosberg 1931-4-15 695 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SBBG118599  Bowlesia incana J. Henrickson 1985-3-30 19756 Los Angeles ca. 3 air mi NNW of Newhall in North Hills, just N of Santa Clara River, just E of San Francisquito Crk 370 Comment
  UCR264694  Bowlesia incana Mitch Provance, Callen Huff 2009-4-28 10738 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  UCR78772  Bowlesia incana R. G. Swinney 1993-4-12 2100 Los Angeles San Gabriel Valley, Glendora, Toyon Nature Trail in South Hills 306 Comment
  LA25915  Brassica nigra Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA12392  Brassica rapa C. B. Wolf 1934-4-11 ss.n. Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 1864.92 ft. so. of NW corner of section. 15 Comment
  UCR41733  Brassica tournefortii G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SD251183  Brickellia californica Jane Tirrell 2012-8-31 LSO 168 Los Angeles Transverse Ranges: San Gabriel Mountains region: South side of California State Rote 2, on bank of culvert draining Big Rock Creek, ca. 1.5 mile west of Dawson Saddle. 2309 Comment
  CAS-BOT-BC106128  Brickellia nevinii Joseph Andorfer Ewan 1937-8-15 10958 Los Angeles Jct. West Fork with No. Fork San Gabriel River - San Gabriel Mts. 609 Comment
  IRVC26170  Brickellia nevinii A. C. Sanders, Mark A. Elvin 2003-6-18 26962 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  RSA609527  Brickellia nevinii L. C. Wheeler 1952-10-11 6374 Los Angeles San Rafael Hills: Chevy Chase Drive. Comment
  RSA642694  Brickellia nevinii Orlando Mistretta 1992-7-14 713 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  CATA3066  Briza minor Amy Catalano, Steven Junak 2016-4-28 093 Los Angeles Santa Catalina Island: Just northeast of entrance to Howland's Landing 17 Comment
  UCR213412  Bromus carinatus A. C. Sanders, Dan S. Cooper 2010-3-12 37333 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR266407  Bromus carinatus D. E. Bramlet 2005-4-11 3789 Los Angeles Puente Hills, Powder Canyon 229 Comment
  UC1714470  Bromus carinatus var. carinatus I. M. Johnston 1917-6-15 1295 Los Angeles San Antonio Mountains, Spring Hill, (San Antonio Canyon) Spring Hill; San Antonio Mountains, San Antonio Canyon Comment
  CATA1875  Bromus catharticus Denise Knapp 2001-6-14 Los Angeles Santa Catalina Island: Middle Ranch barn picnic table 0 Comment
  POM364018  Bromus catharticus Anstruther Davidson 1917-04 3179 Los Angeles E. Los Angeles. Comment
  SD126121  Bromus catharticus A. C. Sanders 1987-7-22 7175 Los Angeles El Segundo dunes. W of LAX airport and Pershing Dr. Comment
  RSA529286  Bromus diandrus Timothy S. Ross 1991-4-8 4472 Los Angeles Elephant Hill: western Pomona 229 Comment
  RSA715428  Bromus diandrus A. C. Sanders, Helen Kennedy 2005-4-13 29440 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR281616  Bromus diandrus R. G. Swinney 2014-5-21 16640 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  POM1263  Bromus grandis D. L. Crawford 1916-5-20 s.n. Los Angeles Mountains above Claremont. Comment
  RSA660189  Bromus grandis Orlando Mistretta 1992-7-9 645 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  LA27124  Bromus hordeaceus Frank W. Gould; 1944-4-12 2283 Los Angeles along 120th Street near Western Avenue Comment
  POM363834  Bromus hordeaceus Albert J. Perkins 1919-4-29 s.n. Los Angeles Santa Catalina Island. Comment
  RSA0089141  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA725305  Bromus hordeaceus subsp. hordeaceus K. Dobry 1991-6-14 d- 535 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC1586184  Bromus inermis subsp. inermis Tim Ross 1991-8-16 5846 Los Angeles San Gabriel Mountains, Horse Flats Horse Flats; San Gabriel Mountains, Horse Flats 1719 Comment
  RSA483706  Bromus madritensis subsp. madritensis Richard Noyes, L. Arnseth 1988-4-30 524 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  CATA926  Bromus madritensis subsp. rubens Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1783 Los Angeles Santa Catalina Island: North of road between Emerald Bay and Parsons Landing 121 Comment
  SD78  Bromus madritensis subsp. rubens Frank Youngberg Apr 1934 Los Angeles Claremont; in empty lots Comment
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Jul 10 2010
  LA13825  Bromus madritensis subsp. rubens Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  UCD59062  Bromus orcuttianus var. hallii A. A. Beetle 1942-6-25 3640 Los Angeles San Bernardino Moutains. Rt. 2, 2 miles north of Big Pine Camp. Comment
  RSA598100  Bromus rubens Steve Boyd, Lauren Raz 1997-3-4 9148 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  SEINET3923288  Bromus rubens Jack Delaini 1974-4-5 100 Los Angeles Common on E-facing slope of canyon.; 0 427 Comment
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Sep 25 2015
  UCR222847  Bromus rubens R. G. Swinney 2009-4-28 10545 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR258968  Bromus rubens R. G. Swinney 2010-2-27 11744 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
  UCR258770  Bromus tectorum R. G. Swinney 2010-5-19 12835 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA0019947  Bromus tectorum R. F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  LA201646  Buddleja saligna Arthur C. Gibson; 2003-12-27 5007 Los Angeles SANTA MONICA MOUNTAINS, Schleuren Road at mile marker 0.24, near junction of Stunt and Saddle Peak roads. Comment
  LA51496  Cakile edentula O. H. Kappler; 1944-4-1 565 Los Angeles Santa Monica Mountains, Zuma Beach 7 Comment
  RSA466550  Calandrinia ciliata T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  UCR186957  Calandrinia ciliata A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31952 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
  POM9081  Callitriche marginata P. A. Munz 1920-3-13 3326 Los Angeles San Jose Hills 305 Comment
  CAS-BOT-BC492128  Calochortus albus Geo. B. Grant 1904-6-16 s.n. Los Angeles Pasadena; Millard Canyon Lake Comment
  CAS-BOT-BC132266  Calochortus catalinae George B. Grant; Walter Wheeler 1904-4-21 126 a/1847 Los Angeles On Santa Catalina Island, Pacific Ocean, off southern California Comment
  CHSC3661  Calochortus catalinae Mary Mac Arthur 1966-6-4 44 Los Angeles Chilao (upper). Comment
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May 29 2008
  OBI60246  Calochortus catalinae Kim Sheffron 1994-5-10 17 Los Angeles Calabasas, 1 mi SE on Stunt Rd from jctn with Mulholland hwy Comment
  SBBG108131  Calochortus catalinae S. L. Crockett, S. Schueller 1997-3-8 560 Los Angeles point overlooking Cottonwood beach, ca. 25 m W of rd 79 Comment
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Sep 10 2007
  CAS-BOT-BC132350  Calochortus clavatus Carl Epling 1931-5-9 s.n. Los Angeles Los Alisos Canyon Comment
  LA200918  Calochortus clavatus Jonathan Sauer; D. Bradbury 1969-6-4 4561 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA712181  Calochortus clavatus A. C. Sanders 2005-5-5 29943 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark Plum. 671 Comment
  UCR99183  Calochortus plummerae Jack Easton 1996-5-14 s.n. Los Angeles Glendale, c. 1/4 mi. SW of intersection of St. Hwy 2 (Glendale Frwy) & Mountain Ave. Comment
  UCD139569  Calochortus splendens James Dilley 1997-5-2 s.n. Los Angeles Santa Monica Mountains. Mulholland Hwy., 1/3 west of Cold Canyon. Comment
  UCR155366  Calochortus venustus A. C. Sanders 2005-5-11 30128 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  UCR257050  Calochortus venustus Mitch Provance 2010-5-18 0510- 48 Los Angeles Westernmost Mojave Desert, along Hwy 138, c. 0.5 mile WSW of intersection with 300th St. West 940 Comment
  POM11604  Calycoseris parryi Philip A. Munz 1921-6-18 4673 Los Angeles head of Sheep Creek. 1524 Comment
  SBBG69690  Calyptridium monandrum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA620156  Calyptridium parryi L. C. Wheeler 1968-7-15 s.n. Los Angeles Southwest side Dawson Peak. 2865 Comment
  UCR162204  Calystegia Anuja Parikh, Nathan Gale 2004-7-1 2075 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  CDA1001  Calystegia macrostegia D. G. Kelch 1991-3-17 1301 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  OBI69277  Calystegia macrostegia John Knapp, Denise Knapp 2003-4-13 4 Los Angeles Catalina Island . 37 Comment
  UCR162590  Calystegia macrostegia Anuja Parikh, Nathan Gale 2004-7-12 2085 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 22), ridges south of upper Potrero Canyon 427 Comment
  RSA545311  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA545338  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA650296  Calystegia macrostegia subsp. cyclostegia L. W. Fellows 1948-2-28 s.n. Los Angeles Fellows Ranch. Chatsworth. Comment
  RSA649801  Calystegia macrostegia subsp. intermedia Matt Brooks 1988-5-1 21 Los Angeles Whittier, Skyline Equestrian trail 1.0 miles south of its intersection with Turnbull Canyon Rd. Comment
  RSA659858  Calystegia macrostegia subsp. intermedia Orlando Mistretta 1992-8-17 752 Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  SD225759  Calystegia macrostegia subsp. intermedia R. K. Brummitt 1998-5-24 20019 Los Angeles San Gabriel Mts., San Gabriel Canyon between two dams 399 Comment
  UC57543  Calystegia macrostegia subsp. intermedia J. H. Barber 1898-8-3 Los Angeles Topango Comment
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May 22 2014
  RSA233389  Calystegia macrostegia subsp. macrostegia R. F. Thorne 1966-4-17 36113 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  UCD126167  Calystegia occidentalis subsp. fulcrata Robert F. Thorne; M. Z. Thorne 1967-7-19 37203 Los Angeles San Gabriel Mts., Angeles National Forest: above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1950 Comment
  UCR101211  Calystegia peirsonii Steve Boyd, Lauren Raz 1997-6-18 9970 Los Angeles Liebre Mtns, Liebre Mountains, Portal Ridge, open ridgeline about jct of Juday Truck Trail and Troedal Motorway, south of Troedel Spring 1183 Comment
  RSA756118  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-4-30 2576 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA199517  Camissonia bistorta I. W. Clokey, Bonnie C. Templeton 1929-04 4456 Los Angeles Santa Monica Mountains, Mandeville Canyon. 500 Comment
  RSA594653  Camissonia bistorta Louis C. Wheeler 1967-7-30 10265 Los Angeles San Gabriel Mountains. Big Cienaga Trail Canyon. 1143 Comment
  UCR230248  Camissonia bistorta Dan S. Cooper 2011-4-18 411- 12 A Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  UCR156106  Camissonia boothii A. C. Sanders 2005-5-5 29883 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  RSA562002  Camissonia californica Blanche Trask 1897-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SEINET13203124 Image available Camissonia californica R. G. Swinney 2010-1 12484 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  JEPS33729  Camissonia campestris Frank W. Peirson 1921-5-20 793 Los Angeles Little Rock Creek San Gabriel Mountains 1066 Comment
  RSA247965  Camissonia campestris subsp. campestris Robert F. Thorne, Gary D. Wallace 1973-4-24 43438 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA730081  Camissonia campestris subsp. campestris R. G. Swinney 1999-6-5 7258 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA454040  Camissonia cheiranthifolia subsp. suffruticosa G. J. Hollenberg 1928-7-24 s.n. Los Angeles Near El Segundo, Calif. Comment
  POM257262  Camissonia claviformis subsp. claviformis H. L. Mason 1926-4-27 3038 Los Angeles Rock Creek. Comment
  UCR205067  Camissonia confusa R. G. Swinney 2008-4-4 8613 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA0106727  Camissonia hirtella R. G. Swinney 2011-5-31 14927 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA584128  Camissonia hirtella Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2967 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
  RSA679931  Camissonia hirtella LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 942 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  RSA755464  Camissonia hirtella R. G. Swinney 2008-7-16 9267 Los Angeles just north of confluence of Cooper Creek Canyon and Little Rock Creek Canyon, along trail. 1720 Comment
  UCR281150  Camissonia hirtella R. G. Swinney 2014-5-7 16422 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  SDSU3383  Camissonia micrantha H. Wedberg 1957-4-1 13 Los Angeles In coastal sage on Point Dume. Comment
  POM126851  Camissonia pallida subsp. pallida Jos. Burtt Davy 1896-05 2529 Los Angeles Antelope Valley. Comment
  RSA756792  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-21 2508 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  SEINET12189015  Camissonia refracta J. F. Bright, Wyman, C. 1933-1 8367 Los Angeles San Fernando Valley Comment
  RSA507528  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UCSB4526  Camissoniopsis bistorta Ellis, Richard 1960-4-11 Los Angeles Malibu Canyon Road, 1.5 miles north of highway 101 Comment
  CAS-BOT-BC160429  Camissoniopsis cheiranthifolia subsp. suffruticosa S. B. Parish; W. F. Parish 1882-10-1 1111 Los Angeles Sea beach at Santa Monica Comment
  RSA592140  Capsella bursa-pastoris L. C. Wheeler 1967-4-30 9207 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  PASA393  Capsella bursa-pastoris Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UCR247460  Cardamine Dan S. Cooper 2013-3-7 313- 55 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park; side canyon draining into northwestern corner of Los Angeles Zoo 174 Comment
  CAS-BOT-BC174798  Cardamine californica Tim Ross; Steve Boyd 1993-5-23 7275 Los Angeles Lower portion of steep, northerly draw draining from saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 270-340 m SW of Plum Spring 829 Comment
  UCR137098  Cardamine californica June Latting 1958-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 3 miles west of Seminole Hot Springs on Mulholland Hwy 610 Comment
  UCR213775  Cardamine californica var. californica Scott D. White, Justin M. Wood 2009-5-6 12631 Los Angeles San Gabriel Mountains, San Gabriel River - West fork between Bear Creek and Cogswell Dam 732 Comment
  POM369319  Cardamine californica var. integrifolia Richard C. Barkelew 1929-4-23 15964 Los Angeles Mulholland Highlands near LA. Comment
  RSA89051  Carduus nutans George W. Garrettson 1954-7-9 s.n. Los Angeles Rancho San Vicente at La Puente and Lemon Streets, Walnut. Comment
  UCD129913  Carduus nutans G. W. Garrettson 1954-7-9 s.n. Los Angeles Rancho San Vicente, at La Puente and Lemon Sts., Walnut. Comment
  RSA802050  Carduus pycnocephalus Orlando Mistretta, Kristie Haydu 2011-7-20 5957 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  UCR136842  Carduus pycnocephalus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CATA3142  Carduus pycnocephalus subsp. pycnocephalus Sarah Ratay 2011-4-28 136 Los Angeles Santa Catalina Island: Middle Ranch Road, sharp turn below Airport-Middle Ranch road junction 394 Comment
  RSA0097523  Carex R. G. Swinney 2011-9-27 15710 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
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Feb 19 2020
  RSA594654  Carex alma L. C. Wheeler 1967-7-30 10266 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  SEINET3897006  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just sourht of Santa Clara River (Val Verd 7.5').; 0 305 Comment
  CAS-BOT-BC21760  Carex hassei Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Moutains: South Fork Alder Gulch. 1676 Comment
  RSA612622  Carex multicaulis L. C. Wheeler 1968-6-1 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1219 Comment
  SEINET7568463 Image available Carex multicaulis Louis C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mts, campground vicinity, Devil's Canyon. 1219 Comment
  SD181805  Carex schottii Louis C. Wheeler 1973-7-15 Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon. Comment
  SEINET7574465 Image available Carex schottii Louis C. Wheeler 1967-5-24 9755 Los Angeles San Gabriel Mountains, Indian Canyon, near mouth. 701 Comment
  UC440482  Carex senta Carl Epling, Lincoln Ellison 1929-3-16 Los Angeles Topango [sic] Canyon Santa Monica Mountains Comment
  SEINET3908417  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mountains, Los Angeles County.; 0 1981 Comment
  CAS-BOT-BC115556  Carex tumulicola Peter H. Raven 1962-4-10 17239 Los Angeles In bed of stream in gully to W side of Island ca 1.5 mi N of Thirst. San Clemente Island 457 Comment
  LA105092  Castilleja applegatei subsp. martinii Barry A. Prigge; 1988-7-3 8229 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  UCR186770  Castilleja exserta A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32089 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  LA51890  Castilleja exserta subsp. exserta Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC314544  Castilleja exserta subsp. exserta Marcus E. Jones, A. M. 1926-5-7 Los Angeles Claremont Comment
  CHSC95872  Castilleja foliolosa Stephen Dreher; LeRoy Gross 2001-4-12 614 Los Angeles Los Angeles Basin: Verdugo Mountains; south facing slope right above the 210 freeway west bound, just west of La Tuna Canyon Road exit. 549 Comment
  RSA400541  Castilleja foliolosa Blanche Trask 1901-03 s.n. Los Angeles Catalina Island. Comment
  SD114380  Castilleja foliolosa Darley F. Howe 1947-5-4 1574 Los Angeles Dry hillside, Mint Canyon Comment
  UCR198509  Castilleja foliolosa Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  UCR99526  Castilleja gleasoni Steve Boyd, Lauren Raz 1997-3-31 9437 Los Angeles Liebre Mtns., Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Libre Mountain Comment
  RSA587022  Castilleja linariifolia Orlando Mistretta 1994-6-15 1363 Los Angeles San Gabriel Mountains, Santiago Canyon. Comment
  RSA149760  Castilleja miniata Wesley O. Griesel 1961-7-26 s.n. Los Angeles Snow Valley. 2043 Comment
  RSA550430  Castilleja minor subsp. spiralis Tim S. Ross 1992-7-10 6653 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  UCR238996  Castilleja minor subsp. spiralis Anuja Parikh, Nathan Gale 2010-6-18 3329 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.2 km north of State Hwy 2, Angeles Crest Hwy, 0.3 km west of Upper Big Tujunga Canyon Road, under powerlines 1225 Comment
  CAS-BOT-BC241067  Castilleja plagiotoma Peter Kamb Ray 1948-5-6 943 Los Angeles Desert slope of the San Gabriel Mountains, above and south of Little Rock 975 Comment
  RSA448769  Castilleja plagiotoma Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCR149525  Castilleja plagiotoma R. G. Swinney 1997-6-25 5644 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA555349  Castilleja subinclusa subsp. subinclusa D. Charlton 1991-5-21 5231 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  RSA0091341  Caulanthus amplexicaulis R. G. Swinney 2011-5-12 14690 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  UC1971133  Caulanthus amplexicaulis Scott D. White, D. E. Bramlet 1998-8-11 7051 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
  UC10398  Caulanthus inflatus Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  CAS-BOT-BC47921  Ceanothus arboreus H. E. McMinn 1924-7-25 1313 Los Angeles Catalina Island Comment
  RSA276094  Ceanothus arboreus Gary D. Wallace 1975-3-23 1406 Los Angeles Santa Catalina Island, along road from Avalon near head of Swain's Canyon 427 Comment
  SD45611  Ceanothus arboreus D. F. Howe 1953-5-2 2271 Los Angeles Wain Canyon, Catalina Island Comment
  CAS-BOT-BC48746  Ceanothus crassifolius Geo. B. Grant 1901-1-1 s.n. Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  RSA630268  Ceanothus crassifolius LeRoy Gross 1999-2-19 111 Los Angeles San Gabriel Mountains.: Little Tujunga Canyon Road to Dillon Divide. 1006 Comment
  RSA786777  Ceanothus crassifolius Doris Bowers 1957-3-24 632 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  SD146173  Ceanothus crassifolius Andy C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon (Pasadena 7.5) 594 Comment
  RSA598934  Ceanothus cuneatus var. cuneatus Steve Boyd, Tim S. Ross 1997-3-21 9193 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  CAS-BOT-BC50080  Ceanothus insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island: Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off Comment
  CHSC95914  Ceanothus leucodermis LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 925 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1) UTM Zone; 3788700N 0398715E. 1677 Comment
  LA212338  Ceanothus leucodermis Lee Haines; 1935-7-9 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Fern Canyon. Comment
  UC79863  Ceanothus megacarpus var. insularis Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  UCR65263  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-5-6 S- 04816 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  LA52218  Ceanothus megacarpus var. megacarpus A. M. Johnson; 1935-2-22 4551 Los Angeles Sepulveda Canyon, beyond tunnel Comment
  LA52227  Ceanothus megacarpus var. megacarpus Sharon Johnston; 1957-3-3 M- 302 Los Angeles Santa Monica Mountains, La Tuna Canyon, Tuna Canyon 1/2 way to top of ridge 152 Comment
  CAS-BOT-BC50493  Ceanothus oliganthus Tim Ross; Steve Boyd 1991-4-25 4602 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  UCR182672  Ceanothus oliganthus R. G. Swinney 1998-4-13 5957 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR65515  Ceanothus oliganthus T. S. Ross, Steve Boyd 1990-5-14 2469 Los Angeles San Gabriel Mtns., Angeles National Forest, Yerba Buena Ridge, Tujunga Ranger District 1024 Comment
  RSA653928  Ceanothus oliganthus var. oliganthus Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1032 a Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 850 Comment
  CDA9426  Ceanothus spinosus D. G. Kelch 1991-3-24 1340 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  JEPS82373  Ceanothus spinosus W. L. Jepson 1939-4-14 19116 Los Angeles Topanga Canyon Santa Monica Mts. Comment
  RSA398935  Ceanothus spinosus T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  SD2993  Ceanothus tomentosus Ruth Randall July 1931 Los Angeles Big Pines Comment
  CATA1820  Cedrus deodara Benjamin E. Carter 2012-8-31 7021 Los Angeles Santa Catalina Island: Black Jack Campground. Grove of large, introduced trees in campground 459 Comment
  CAS-BOT-BC272066  Centaurea melitensis Geo. B. Grant 1898-4-3 s.n. Los Angeles Pasadena Comment
  SBBG31374  Centaurea melitensis R. F. Thorne with P. C. Everett 1965-5-10 34435 Los Angeles Cape Cyn 274 Comment
  UCR282029  Centaurea melitensis R. G. Swinney 2014-5-19 16577 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
  RSA573457  Centaurea melitensis Timothy S. Ross 1992-6-15 6556 Los Angeles Whittier Hills (local name for the W extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  RSA65891  Centrostegia thurberi F. W. Peirson 1919-5-10 28 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains. 915 Comment
  RSA747353  Centrostegia thurberi R. G. Swinney 2008-5-8 8803 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  SD253426  Cerastium glomeratum R. G. Swinney 2011-3-18 14146 Los Angeles San Gabgriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA152111  Cerastium glomeratum Wesley O. Griesel 1962-3-31 s.n. Los Angeles Tapia Park, Santa Monica Mountains. 152 Comment
  RSA250621  Cerastium glomeratum R. F. Thorne 1971-3-31 41440 Los Angeles Johnson s Pastures, N of Mountain Ave., Claremont. 549 Comment
  SBBG98670  Cerastium glomeratum T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5178 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 502 Comment
  RSA411776  Ceratophyllum demersum G. R. Johnstone 1930-6-26 18300 Los Angeles near Coldbrook, San Gabriel River above the dam 1676 Comment
  RSA453284  Cercocarpus betuloides Ruth Herley 1932-7-4 s.n. Los Angeles Mandeville Canon. Comment
  SEINET179643  Cercocarpus betuloides Victor Duran 1933-8-10 3544 Los Angeles South Fork Rock Creek San Gabriel Mts. 1394 Comment
  RSA250435  Cercocarpus betuloides var. betuloides Robert F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41610 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
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Nov 5 2014
  RSA598948  Cercocarpus betuloides var. betuloides R. G. Swinney 1989-11-24 1486 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, Paul Keiser Nature Trail. 473 Comment
  RSA660224A  Cercocarpus betuloides var. betuloides Fred Brooks 1988-4-3 3 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  RSA3534  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-9 3478 Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  SBBG31385  Cercocarpus betuloides var. blancheae R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-13 36737 Los Angeles Salta Verde, Wild Boar Gully 167 Comment
  SBBG78166  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-4-6 4798 Los Angeles Cape Cyn Comment
  UC453983  Cercocarpus betuloides var. blancheae I. J. Condit 1908-6-29 Los Angeles Santa Catalina Island Comment
  SD69027  Cercocarpus betuloides var. blancheae Robert F. Thorne, D. Propst 1968-5-29 37693 Los Angeles Santa Catalina Island: North slope of Black Jack Mountain, at upper end Swain's Canyon towards Echo Lake. 395 Comment
  RSA733491  Cercocarpus traskiae Frank Landis, Heidi Helling 2008-6-26 2008 01 a Los Angeles Wild Boar Gully, Santa Catalina Island. 264 Comment
  RSA549198  Chaenactis artemisiifolia Timothy S. Ross, Peter Fritsch 1990-6-20 3679 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  CAS-BOT-BC276892  Chaenactis fremontii F. W. Peirson 1921-5-19 2409 Los Angeles Little Rock Creek, N slope of San Gabriel Mountains 960 Comment
  POM351713  Chaenactis fremontii Anstruther Davidson, Hasse 1906-6-5 1464 Los Angeles Big Rock Creek. [San Gabriel Mountians] Comment
  UCSB69243  Chaenactis glabriuscula Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mtns. region; Ridgeline to Mt. Emma and cyn. S of this ridge; W from Mt. Emma; east of Mt. Emma Rd.; near 34.45864 N, 118.08684W to 34.46310N, 118.07530W; (Pacifico Mtn. 7.5 Quad. T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1413 Comment
  CAS-BOT-BC277366  Chaenactis glabriuscula var. glabriuscula Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  UCR259059  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-12 12765 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
  RSA301932  Chaenactis glabriuscula var. lanosa J. R. Shevock 1971-5-11 1051 Los Angeles Sierra Hwy, near Soledad Jct. 579 Comment
  RSA729351  Chaenactis stevioides R. G. Swinney 1999-5-1 7086 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
  UCR220276  Chaenactis stevioides R. G. Swinney 2009-4-24 10490 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  SBBG65623  Chaenactis xantiana R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  RSA526589  Chamaesyce albomarginata T. S. Ross 1991-3-24 4290 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  RSA486474  Chamaesyce melanadenia Richard Noyes 1988-7-30 604 Los Angeles Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  CDA4779  Chamaesyce nutans J. B. Cook, George Garrettson 1958-6-6 Los Angeles Southern Pacific Railroad right-or-way near Pomona. 0 Comment
  JEPS60011  Cheilanthes covillei Joseph Ewan 1937-5-30 7207 Los Angeles Mill Creek near junction of North Fork Tujunga Creek 914 Comment
  CAS-BOT-BC68142  Cheilanthes newberryi Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Island Comment
  RSA594678  Chenopodium album L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mountains. Henninger Flats. 792 Comment
  UCR176994  Chenopodium atrovirens Sharon Dougherty 2001-9-7 s.n. Los Angeles San Gabriel Mtns., Kratka Ridge 2134 Comment
  RSA601061  Chenopodium berlandieri Steve Boyd, Lauren Raz 1997-6-18 9997 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Ritter Ridge, 2.4 road miles west of intersection with Highland St. 877 Comment
  RSA502794  Chenopodium botrys T. S. Ross, Annette Ross 1989-9-20 1776 Los Angeles San Antonio Canyon near pond west of Spring Hill and below Baldy Road in the Canyon 975 Comment
  UC1922243  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Transverse Ranges; Verdugo Mountains region; Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  IRVC28605  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 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
  RSA604691  Chenopodium botrys L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  POM155621  Chenopodium californicum M. L. Bryan 1928-9-28 10 Los Angeles Mandeville Canyon near Santa Monica. Comment
  RSA781013  Chenopodium californicum R. G. Swinney 2009-5-13 10773 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  LA50756  Chenopodium macrospermum var. farinosum Zaitlin; 1951-4-8 Los Angeles Point Dume Comment
  CDA3111  Chenopodium pumilio L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  LA99134  Chenopodium pumilio R. L. Armacost; 1965-5-23 2386 Los Angeles Near Desert Garden of UCLA Botanical Garden Comment
  UCR272526  Chenopodium strictum R. G. Swinney 2011-7-8 15469 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
  CAS-BOT-BC451358  Chimaphila menziesii LeRoy Abrams 1902-6-29 2587 Los Angeles Mt. Wilson Comment
  SEINET4565666  Chloris gayana P. Kennedy 1920-7-31 3529 Los Angeles Los Angeles Comment
  SEINET4044600  Chlorogalum pomeridianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  UC1584725  Chlorogalum pomeridianum var. pomeridianum Tim Ross and Annette Ross 1991-6-3 5527 Los Angeles northwesterly slope of hill west Pomona, Elephant Hill 286 Comment
  CAS-BOT-BC126715  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert: Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave. H 50 Comment
  RSA587208  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Christine Mistretta 1995-5-2 1663 C Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA0085098  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  SBBG128650  Chorizanthe parryi var. fernandina M. A. Elvin, C. Weigand 2003-4-8 2453 Los Angeles Newhall Ranch Commerce Center, confluence of Hasley Cyn and Castaic Crk, N of Hwy 126 319 Comment
  RSA0060466  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA678396  Chorizanthe staticoides Valerie L. Soza, LeRoy Gross 2002-4-3 1385 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 610 Comment
  UCR200162  Chorizanthe staticoides Valerie Soza, Laura A. Moore 2000-5-10 866 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  RSA599769  Chorizanthe watsonii Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9788 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA706435  Chorizanthe watsonii LeRoy Gross 2005-6-23 2377 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1642 Comment
  RSA226027  Chorizanthe xanti Robert F. Thorne, C. W. Tilforth 1971-6-29 40699 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1 mi. down Aliso Canyon Rd. from junction with Angeles Forest Rd. 1128 Comment
  POM351981  Chrysothamnus nauseosus subsp. hololeucus L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert near mouth of Little Rock Creek. Comment
  UCD150956  Chrysothamnus viscidiflorus D. S. Park 2010-4-26 41 Los Angeles Ranch Santa Ana Botanic Garden 401 Comment
  CAS-BOT-BC280028  Cirsium mohavense S. B. Parish; W. F. Parish 1882-5-1 1261 Los Angeles Warm Springs, Mojave Desert Comment
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Sep 10 2019
  IRVC26284  Cirsium occidentale Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2914 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  IRVC26283  Cirsium occidentale var. californicum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2913 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  UCR256876  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 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
  RSA534136  Cirsium occidentale var. occidentale Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5058 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, bouldery, rocky draw SW and above pier aperations. 15 Comment
  CDA7423  Cirsium vulgare Hibbs 1957-8-6 Los Angeles 17100 Bloomfield. 0 Comment
  LA200701  Clarkia bottae Sharon Johnston; 1957-5-14 35 Los Angeles Santa Monica Mountains, Mulholland Road, 6.0 mi W of Fire Station 396 Comment
  UCR192932  Clarkia bottae Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., northwest entrance to Griffith Park, vicinity of Travel Town and adjacent to cemetery, Los Angeles 175 Comment
  RSA73318  Clarkia cylindrica subsp. cylindrica F. W. Peirson 1930-5-12 4113 Los Angeles North slope along road above Bouquet Canyon. 1067 Comment
  UCR48858  Clarkia dudleyana Steve Morgan 1974-5-17 143 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  SBBG131723  Clarkia epilobioides S. A. Junak 1999-5-8 SCa 917 Los Angeles Fern Cyn, Cottonwood watershed, just upstream from fenceline, elevated floodplain Comment
  SD69018  Clarkia epilobioides Robert F. Thorne, D. Propst 1968-5-28 37650 Los Angeles Santa Catalina Island; central part of Bulrush Canyon. 244 Comment
  UCD104887  Clarkia purpurea A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25951 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
  CAS-BOT-BC163707  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1928-6-10 3875 Los Angeles Above Monrovia Dam, Monrovia [Canon] Canyon, San Gabriel Mts. Comment
  JEPS43691  Clarkia purpurea subsp. quadrivulnera Frank W. Peirson 1919-6-5 467 Los Angeles San Antonio Canyon San Gabriel Mountains 1341 Comment
  SBBG118132  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1931-4-23 4696 Los Angeles Hay Press [Haypress] 350 Comment
  UCD104949  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-6-15 9837 Los Angeles Liebre Mountains region. NE of Saugus. 396 Comment
  JEPS43760  Clarkia similis John Thomas Howell 1928-5-6 3777 Los Angeles between Fern Lodge and Madrona Flat; San Gabriel Mts., East Fork of Santa Anita Canyon Comment
  CAS-BOT-BC165502  Clarkia unguiculata F. A. Thackery 1928-5-13 249 Los Angeles Topanga Canyon Comment
  POM307162  Clarkia unguiculata Henry J. Ramsey, Henry J. Ramsey 1937-5-15 2008 Los Angeles Newhall Grade. Comment
  UC61541  Clarkia unguiculata Ernest Braunton June 1903 896 Los Angeles Glendale to Burbank Comment
  RSA704359  Claytonia Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1928 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  RSA603023  Claytonia exigua subsp. exigua L. C. Wheeler 1955-4-16 7131 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  UCR223516  Claytonia parviflora R. G. Swinney 2009-6-8 11075 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
  RSA587048  Claytonia parviflora subsp. parviflora Orlando Mistretta, Mark Elvin 1995-5-10 1689 E Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  RSA756878  Claytonia parviflora subsp. parviflora Orlando Mistretta, Christine Mistretta 2008-4-4 2320 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  SD231424  Claytonia parviflora subsp. utahensis Sula Vanderplank, Leroy Gross, Steve Hoskinson 2005-5-5 50506 62B 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. 1444 Comment
  RSA580978  Claytonia perfoliata Catherine A. Mish 1995-3-4 17 Los Angeles Santa Monica Mtns, Caballero Cyn. 1.0 km from trailhead. 380 Comment
  CAS-BOT-BC439915  Claytonia perfoliata subsp. intermontana Raymond Lindholm 1961-3-25 s.n. Los Angeles Little Rock Canyon. San Gabriel Mts. Comment
  RSA0019899  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2011-6-29 5761 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  RSA0117597  Claytonia rubra subsp. rubra A. C. Sanders 2008-4-11 34851 Los Angeles Transverse Range/ Mojave Desert: hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM Pine. 973 Comment
  RSA128276  Clematis lasiantha H. J. Thompson 1959-5-31 1916 Los Angeles 1.1 mile south-west of Seminole Hot Springs, about 2 miles south-west of Cornell. 396 Comment
  RSA386205  Clematis lasiantha Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles San Gabriel Mountains Comment
  RSA724608  Clematis lasiantha K. Dobry 1991-5-2 566 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  CAS-BOT-BC92638  Clematis ligusticifolia D. E. Breedlove 1961-9-24 1293 Los Angeles Middle Ranch Canyon, 0.5 mile above Ben Weston Beach. Santa Catalina Island. 60 Comment
  CAS-BOT-BC92640  Clematis ligusticifolia Peter H. Raven; Henry J. Thompson 1959-4-3 13914 Los Angeles Santa Monica Mountains. Saddle Peak. North slope of peak. 838 Comment
  UCR261780  Clematis ligusticifolia R. G. Swinney 2010-9-13 13819 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
  RSA603000  Cleome isomeris L. C. Wheeler 1933-4-27 1673 Los Angeles N base San Pedro Hills near Walteria. 30 Comment
  LA52025  Collinsia heterophylla J. A. Ewan; 1929-5-4 3464 Los Angeles Comment
  RSA0020300  Collinsia heterophylla Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5095 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CAS-BOT-BC240958  Collinsia parryi H. E. Hasse 1893-6-3 s.n. Los Angeles Newhall Comment
  RSA412252  Collinsia torreyi var. wrightii Anstruther Davidson 1906-6-7 1489 Los Angeles Big Rock Creek. 2134 Comment
Read comments
May 14 2013
  UCSB33262  Collinsia torreyi var. wrightii Griesel, Wesley 1982-6-6 Los Angeles Dawson Saddle; San Gabriel Mts 2438 Comment
  RSA0076378  Collinsia torreyi var. wrightii Philip A. Munz 1921-6-17 4644 Los Angeles Sawmill, Swartout Valley. 2073 Comment
  SEINET2445249  Collomia grandiflora Leigh A. Johnson 1994-6-9 94 -038 Los Angeles Angeles Natl. Forest, Burnt Peak vicinity. 0.6 miles W along FS rd. 7N23 from jct. with 7N23B (2.5 miles from HWY N2 access to Upper Shake Campground).; 0 1500 Comment
  RSA592497  Comarostaphylis diversifolia subsp. planifolia Mark Hoefs, D. Propst 1973-3-14 125 Los Angeles Santa Catalina Island: in First Side Canyon of Cape Canyon 244 Comment
  UCR258506  Conium maculatum R. G. Swinney 2010-6-23 13327 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UC896347  Constancea nevinii Ezra C. Knopf 151 Los Angeles Santa Catalina Island Comment
  CATA3437  Convolvulus arvensis Julia Parish, Olivia Reda, Tobias Nickel 2017-6-20 030 Los Angeles Santa Catalina Island: Pacific Side; near historic Genista linifolia population in Wild Boar Gully watershed 187 Comment
  UCR213299  Convolvulus simulans A. C. Sanders 2010-5-7 38336 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 30 Comment
  POM310451  Conyza canadensis Margaret Hardinge 1945-10-23 15 Los Angeles Claremont irrigation ditch. 351 Comment
  RSA710538  Coreopsis bigelovii LeRoy Gross 2005-5-3 2204 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCR151328  Coreopsis bigelovii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 861 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UCR221902  Coreopsis bigelovii R. G. Swinney 2009-4-28 10538 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR259976  Coreopsis bigelovii R. G. Swinney 2010-5-11 12637 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  CAS-BOT-BC287873  Coreopsis californica Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena Comment
  UCD130997  Coreopsis californica Daryl Koutnik; Vickie Dawes 1978-4-6 263 Los Angeles south of Palmdale on State Highway 138 to Little Rock. 816 Comment
  RSA613162  Coreopsis calliopsidea P. A. Munz 1931-3-28 2574 Los Angeles Near Palmdale. Comment
  RSA188195  Coreopsis gigantea R. F. Thorne, Percy C. Everett 1965-6-23 35018 Los Angeles Santa Catalina Island, rocky ridge on Hamilton Canyon side N of Descano Canyon 61 Comment
  CAS-BOT-BC105721  Corethrogyne filaginifolia Le Roy Abrams 1901-8-15 2177 Los Angeles Ballona Harbor Comment
  JEPS41864  Corethrogyne filaginifolia Frank W. Peirson 1918-8-6 257 Los Angeles Mt. Wilson, Toll Road San Gabriel Mts., Mt. Wilson 883 Comment
  SBBG60703  Corethrogyne filaginifolia R. Hoffmann 1931-10-1 Los Angeles near Oak's Garage, Mint Cyn Comment
  UC63364  Corethrogyne filaginifolia Jos. Burtt Davy 1901-6-1 7772 Los Angeles Redondo Comment
  CAS-BOT-BC209768  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island. Hamilton Canyon, left fork, 200 ft. above forks 121 Comment
  UCR189857  Cornus sericea R. G. Swinney 1998-7-10 6413 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  RSA397678  Cornus sericea subsp. occidentalis Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo Woodlands Comment
  CLARK-A1528-2437  Coronopus didymus John C. Roos 1957-5-20 6611 Los Angeles Los Angeles Comment
  CATA2887  Cosmos bipinnatus Sara L. Crockett, Michael Daligdig 1996-11-4 21 Los Angeles Santa Catalina Island: Casino point, and along walkway 4 Comment
  UCR104193  Cotoneaster pannosus Scott D. White 1997-5-21 5201 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  RSA616147  Cotula australis Valerie L. Soza 1998-5-3 99 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
  UCR136329  Crassula colligata subsp. lamprosperma Bob Muns 2002-5-28 s.n. Los Angeles Transverse Range, San Gabriel Mtns, Santa Fe Dam Recreation Area, old San Gabriel River floodplain, on side of road leading to the Lario San Gabriel River Trail parking area, just north of Foothill Blvd in the city of Irwindale 143 Comment
  CAS-BOT-BC427736  Crassula connata Geo. B. Grant 1905-4-19 6480 Los Angeles Garvanza Comment
  SBBG95421  Crassula connata M. B. Dunkle 1929-4-21 2139 Los Angeles Rock Springs Cyn Comment
  RSA423458  Crassula connata var. erectoides Ora M. Clark 1929-3-24 1795 Los Angeles Santa Susana Mtns. Comment
  CATA3179  Cressa truxillensis Julie L. King 2016-10-25 7 Los Angeles Santa Catalina Island: South of campsite #2 at Parsons Landing, in sand 6 Comment
  RSA4798  Cressa truxillensis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim. Station #3. Plant #2. Comment
  SBBG115421  Crocanthemum scoparium var. vulgare E. R. Blakley 1963-4-10 5585 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  RSA397733  Crossosoma californicum Reid V. Moran 1941-2-28 655 Los Angeles Johnson Valley, Santa Catalina Island 250 Comment
  RSA397734  Crossosoma californicum R. M. Beauchamp 1967-3-20 355 Los Angeles Catalina Island. South of Avalon above beach road. Comment
  SBBG18710  Crossosoma californicum E. R. Blakley 1963-4-7 5518 Los Angeles Middle Ranch Cyn, ca. 1 mi above Middle Ranch 228 Comment
  RSA479351  Croton californicus Frances M. Morey 1922-04 s.n. Los Angeles Culver City Comment
  RSA621022  Croton californicus L. C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains.: Arroyo Seco, in vicinity of Pine Canyon. Comment
  UCR125173  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  POM2756  Croton californicus var. tenuis L. R. Abrams 1899-07 867 Los Angeles Ballona Harbor Comment
  SEINET5788892 Image available Croton californicus var. tenuis Marcus E. Jones 1882-1 3030 Los Angeles Pasadena, California Comment
  SFV2079  Croton setiger M. L. Vincent 1962-12-5 309 Los Angeles Santa Monica Mountains 0.5 miles west of Old Topanga Canyon Road on Dry Canyon Road. Comment
  CAS-BOT-BC183857  Cryptantha circumscissa Timothy S. Ross; Steve Boyd 1994-5-10 7756 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  SD113303  Cryptantha circumscissa Darley F. Howe 1947-5-4 1776 Los Angeles Vincent, Western MoJave Desert Comment
  UCSB23989  Cryptantha circumscissa Grant, Aubyn 1964-5-15 Los Angeles 25 feet west of road, 2.4 miles north of Deep Creek Campground on Deep Creek Road, Mojave Desert 792 Comment
  UCR143254  Cryptantha clevelandii var. florosa F. R. Fosberg 1932-3-28 10620 Los Angeles Southern Coast, hills between Del Rey and El Segundo 25 Comment
  JEPS85157  Cryptantha decipiens Roy E. Buck and Rexford Palmer 1989-4-28 1225 Los Angeles 1.1 air km ene Pyramid Rock summit (between Interstate 5 and Pyramid Dam, e of small draining canyon s of Posey Canyon, 22 air km nw of Castaic) 929 Comment
  SD237365  Cryptantha echinella R. G. Swinney 2009-5-13 10782 Los Angeles Transverse Range; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Re., immediately NW of Cima Mesa, Juniper Hills. 1121 Comment
  SEINET3860021  Cryptantha intermedia R. G. Swinney 2009-4-21 10416 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon was, 0.4-1.0 mi. north (upstream) of Puente Largo bridge.; 0 192 Comment
  UC78696  Cryptantha intermedia T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UCR125559  Cryptantha intermedia A. C. Sanders 2003-5-22 26821 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA533979  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5172 Los Angeles San Clemente Island: SSW of Twin Dams, 1450 ft. NNW of Boulder marker (1859 ). 491 Comment
  RSA646986  Cryptantha micromeres LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 195 Los Angeles San Rafael Hills: Ridge running west from lookout Tower, East of the (2) Glendale Freeway., N 34 deg 11' 12.2'' W 118 deg 12' 39.0''. 487 Comment
  SFV7381  Cryptantha micromeres T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 900 Los Angeles Santa Monica Mountains Between Castro Peak and Mesa Peak, along main ridge fire road at head of Corral Canyon. 617 Comment
  RSA674672  Cryptantha microstachys Scott D. White, Kent Hughes 2000-5-17 7879 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  UCR165247  Cryptantha microstachys A. C. Sanders, Helen Kennedy 2005-4-13 29476 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA0084656  Cryptantha muricata R. G. Swinney 2010-3-10 11817 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0110792  Cryptantha muricata R. G. Swinney 2011-4-28 14529 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  RSA479522  Cryptantha muricata Steve Boyd, Thomas Elias 1987-4-14 2068 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  UC563991  Cryptantha muricata Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR108379  Cryptantha muricata L. C. Wheeler 1967-5-18 9616 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  POM3905  Cryptantha muricata var. jonesii I. M. Johnston 1918-5-12 1950 Los Angeles San Antonio Mountains. San Antonio Canyon. At Hog Back 1128 Comment
  RSA595937  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-12 9421 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA587368  Cryptantha oxygona Orlando Mistretta 1995-4-25 1641 C Los Angeles San Gabriel Mountains. Kitter Canyon. Near the confluence of Kitter canton and Little Rock creek. 1098 Comment
  UCR138550  Cryptantha pterocarya var. pterocarya Steve Boyd, Orlando Mistretta 1986-3-31 1520 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  SEINET10952261  Cucurbita Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3785 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  JEPS23138  Cuscuta californica Rimo Bacigalupi with Reino Alava 1958-7-21 6458 Los Angeles about 3 mi above Little Rock Lake (artificial) (in lower reaches of Little Rock Creek, n base of San Gabriel Mts.); San Gabriel Mts., Little Rock Creek 1066 Comment
  RSA0051644  Cuscuta californica Elwood Fordham 1951-3-18 s.n. Los Angeles Topanga., Near 90Acres - Robinson Rd. 274 Comment
  RSA54069  Cuscuta campestris J. T. Howell 1948-7-2 24765 Los Angeles Redondo Beach. Comment
  UCD54441  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 11 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  RSA761712  Cuscuta subinclusa R. G. Swinney 2008-10-10 9557 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UC535545  Cuscuta subinclusa Ira W. Clokey, B. Templeton Jul 1929 4590 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UCR246766  Cuscuta subinclusa Pat Akers 2008-9-10 PDR 1440793 Los Angeles El Monte, on San Gabriel [River], north of Thienes [Ave.] Comment
  POM3360  Cycladenia humilis var. venusta I. M. Johnston 1917-7-4 1428 Los Angeles South slope of Baldy. 2363 Comment
  RSA404479  Cycladenia humilis var. venusta Albert J. Perkins 1915-7-26 s.n. Los Angeles Summit of Mt. San Antonio. 3049 Comment
  RSA608754  Cydonia oblonga Louis C. Wheeler 1963-10-6 8403 Los Angeles Altadena: 55 E. Pine Street. Comment
  CLARK-A1528-4576  Cynodon dactylon John C. Roos 1942-9-5 1717 Los Angeles Los Angeles Comment
  RSA235292  Cynodon dactylon M. A. Piehl 62498 Los Angeles Santa Catalina Island: main road above Goat Harbor. Comment
  UCR227714  Cynosurus echinatus Orlando Mistretta, Christine Mistretta 2010-6-25 5352 Los Angeles San Gabriel Mountains, Forest Route 2N24 near head of north fork of Santa Anita Canyon along SCE transmission line corridor 1215 Comment
  RSA0070366  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR101243  Cyperus eragrostis L. C. Wheeler 1966-10-25 9081 Los Angeles San Gabriel Mtns, E[dwin]Waldo Ward's grove, 0.25 mi. north of El Encanto, San Gabriel Canyon 244 Comment
  SBBG131510  Cyperus eragrostis S. A. Junak 1999-7-17 SCa 1068 Los Angeles W end of "Rig Field", plant stop 213 Comment
Read comments
Jul 28 2016
  CAS-BOT-BC114311  Cyperus esculentus Ellsworth Bethel 1916-8-1 s.n. Los Angeles Long Beach. Comment
  UCR210023  Cyperus involucratus R. G. Swinney 2008-12-2 9904 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
  UCD141146  Cyperus rotundus Louis C. Wheeler 1932-7-16 959 Los Angeles Pomona: 3 miles north of Garey Avenue. 304 Comment
  RSA562581  Cystopteris fragilis Steve Boyd, Walter Appleby 1993-4-22 7989 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR194272  Cystopteris fragilis R. G. Swinney, Dave Larson 1999-6-25 7395 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA650357  Dactylis glomerata Nancy Gould 1977-5-13 24 Los Angeles Cal Poly Campus, Pomona. Comment
  UC535126  Datisca glomerata Victor Duran 1933-7-11 3518 Los Angeles Sulpur Spring; San Gabriel Mountains, Sulpur Spring 1524 Comment
  RSA596510  Datura wrightii Louis C. Wheeler 1966-11-19 9126 Los Angeles San Gabriel Mountains. Pacoima Canyon. Dillon Ranch Road at Little Tujunga Canyon Road. 747 Comment
  RSA648206  Datura wrightii Dan Milojevich 1981-5-15 41 Los Angeles 40 N. of Avocado orchard near Bld. 8, Cal Poly. Comment
  LA211173  Daucus carota Arthur C. Gibson; 2008-8-13 5341 Los Angeles SIMI HILLS, next to parking lot, Chatsworth Park South, Chatsworth. Comment
  POM50352  Daucus pusillus L. R. Abrams 1901-4-11 1488 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  SD107803  Daucus pusillus Larry De Buhr 1977-4-17 2582 b Los Angeles Santa Catalina Island; ridge southeast of Shark Harbour, on coastal bluff. Comment
  UCR61064  Daucus pusillus R. G. Swinney 1969-5-4 431 Los Angeles San Gabriel Mountains, Glendora, base of the mtns. 358 Comment
  RSA80399  Daucus pusillus F. W. Peirson 1920-5-3 2311 Los Angeles Little Tujunga Wash, shortly above the junction with main stream, San Fernando Valley. 335 Comment
  SBBG128561  Daucus pusillus M. L. Hoefs, D. R. Hoefs 1995-6-29 2342 Los Angeles Empire Landing Rd near quarry 124 Comment
  SEINET12118158  Daucus pusillus F. R. Fosberg 1932-1 8140 Los Angeles Coach Rd above Hamilton C. Santa Catalina 4 210 Comment
  CAS-BOT-BC130915  Deinandra clementina Alice Eastwood 1917-7-20 6492 Los Angeles Santa Catalina Island Comment
  RSA0115684  Deinandra clementina Steven A. Junak, Mark Hoefs 1998-6-12 SCa- 722 Los Angeles Santa Catalina Island. Just W of N end of Catalina Harbor, just upslope from powerlines 36 Comment
  CHSC95442  Deinandra fasciculata LeRoy Gross 2001-5-27 421 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek. Along dirt trail on the crest between La Tuna Canyon Road and Sunland Blvd. Just to the west of this Lat. Long. 427 Comment
  JEPS12588  Deinandra fasciculata Ira W. Clokey, B. Templeton Mar 1929 4600 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  UC557780  Deinandra fasciculata Nell Murbarger 1936-5-1 215 Los Angeles n end of island mesa summit; San Clemente Island Comment
  UCD131060  Deinandra fasciculata W. M. Phillipson 1915-1 s.n. Los Angeles Monrovia. Comment
  SFV13500  Deinandra minthornii M. H. Grayum, D. L. Koutnik 1977-12-10 923 Los Angeles San Fernando Valley Chatsworth Reservoir. Among sandstone outcrops in hilly area just west of spillway. 290 Comment
  CATA1408  Delairea odorata Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2556 Los Angeles Santa Catalina Island: Beach at Empire Landing 3 Comment
  CAS-BOT-BC9128  Delphinium cardinale Alice Eastwood 1928-6-15 15405 Los Angeles Claremont Comment
  UCSB1966  Delphinium cardinale Wedberg, H. 1958-7-15 Los Angeles On Mulholland Hwy. between Topanga Can. and Beverly Glen, Santa Monica Mtns Comment
  CAS-BOT-BC7965  Delphinium parishii subsp. parishii Timothy S. Ross 1994-5-31 7978 Los Angeles San Gabriel Mountains, near Pacifico Mountain, 680 m due W of Sheep Camp Spring 2048 Comment
  RSA337427  Delphinium parishii subsp. parishii Robert F. Thorne 1973-5-11 43474 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  UCR151342  Delphinium parishii subsp. parishii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 893 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UCR142072  Delphinium parryi A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26270 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UC1369833  Dendromecon harfordii Robert F. Thorne and D. Propst 1968-5-29 37695 Los Angeles n slope Black Jack Mt. (at upper end Swain's Canyon toward Echo Lake); Santa Catalina Island 396 Comment
  CAS-BOT-BC82911  Dendromecon rigida F. A. Thackery 1928-5-13 355 Los Angeles Mulholland Drive. Comment
  SEINET5339600  Dendromecon rigida Pupils s.n. Los Angeles Los Angeles. Comment
  SBBG122134  Deschampsia danthonioides A. Parikh, N. Gale 2003-5-24 737 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  IRVC26372  Descurainia obtusa subsp. adenophora Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, N of the Santa Clara River Santa Clarita Valley 305 Comment
  POM307360  Descurainia pinnata Henry J. Ramsey, Henry J. Ramsey 1937-3-21 2179 Los Angeles Altadena. Comment
  CAS-BOT-BC43172  Descurainia pinnata subsp. brachycarpa Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9484 Los Angeles 4 miles northeast of Lancaster on the Muroc Road. Comment
  RSA747879  Descurainia pinnata subsp. menziesii Justin M. Wood 2009-3-6 337 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  UC55210  Descurainia pinnata subsp. menziesii Jos. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  RSA0115072  Descurainia pinnata subsp. menziesii Steven A. Junak, Keri Kirkland 2001-4-13 SCa- 1437 Los Angeles Santa Catalina Island. Ridgetop N of Deer Valley Reservoir, just E of Two Harbors. 229 Comment
  RSA621296  Descurainia sophia L. C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek 1 mile north of Big Rock Springs. 1143 Comment
  CAS-BOT-BC402273  Dicentra chrysantha Joseph Andorfer Ewan 1932-7-4 7592 Los Angeles Millards Canyon, San Gabriel Mts. 1188 Comment
  UC1348928  Dichelostemma capitatum James Henrickson 1966-4-17 2257 Los Angeles 14 mi e Gorman (along Hwy 138) Comment
  CAS-BOT-BC499448  Dichelostemma capitatum Reid Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Rancht, San Clemente Island, 500 Comment
  RSA0065633  Dichelostemma capitatum subsp. capitatum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6788 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CAS-BOT-BC209060  Digitaria sanguinalis Cecil Hart 1921-7-1 6 Los Angeles Howard & Smith's Nursery, Montebello Comment
  SBBG51267  Diplacus fremontii J. Doty 1969-4-19 630 Los Angeles Bob's Gap Rd, 3.7 mi SE of jct with St Hwy 138, ca. 10 mi SE of Pearblossom 1097 Comment
  SD112103  Diplacus longiflorus Linda Allen 1975-6-15 Los Angeles Century Ranch, W. Santa Monica Mts. Comment
  CAS-BOT-BC150851  Diplacus puniceus Huron H. Smith 1912-5-28 5012 Los Angeles Avalon Canyon, Santa Catalina Isl. 182 Comment
  SEINET6056830  Diplotaxis tenuifolia Unknown 1946-11-11 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. 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
  SBBG12194  Distichlis spicata E. R. Blakley 1961-9-23 4723 Los Angeles Ballast Pt, Catalina Harbor Comment
  UCR204050  Distichlis spicata R. G. Swinney 2005-5-21 8271 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  CAS-BOT-BC412626  Dodecahema leptoceras Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  UCR204436  Dodecatheon clevelandii R. G. Swinney 2003-5-12 8202 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  SBBG58454  Dodecatheon clevelandii subsp. clevelandii M. N. Ackley -Mar-1929 800 Los Angeles Eagle Rock 243 Comment
  UCD118807  Dodecatheon clevelandii subsp. clevelandii Daryl Koutnik 1978-3-27 172 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Ave., Claremont. 579 Comment
  RSA461355  Dodecatheon clevelandii subsp. insulare J. A. Powell 1928-4-4 s.n. Los Angeles Santa Catalina Island. Near mountain top. Comment
  CHSC24956  Dodecatheon jeffreyi T. P. Spira 1976-7-12 Los Angeles White Fir Springs off of Angeles Crest Hwy (2), Angeles National Forest. 1828 Comment
  RSA729522  Drymocallis glandulosa var. glandulosa R. G. Swinney 1999-7-5 7536 Los Angeles San Gabriel Mountains, upper Cedar Canyon, about 0.5 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction with Hwy 2 1915 Comment
  RSA85787  Drymocallis glandulosa var. wrangelliana F. W. Peirson 696 Los Angeles Laurel Canyon Comment
  CAS-BOT-BC226830  Dryopteris arguta Timothy S. Ross; Steve Boyd 1994-5-10 7721 Los Angeles Liebre Mountains. Warm Springs Canyon: canyon bottom and adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 682 Comment
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  SEINET3871644  Dryopteris arguta Scott D. White 2004-7-28 10652 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. Condor Peak.; 0 976 Comment
  UC62801  Dryopteris arguta Mrs. Brandegee June 1895 Los Angeles Lyonothamnus Grove Santa Catalina Isl. Comment
  CAS-BOT-BC109572  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-6-8 3086 Los Angeles Mouth of Winter Canyon, Malibu Beach. 76 Comment
  RSA423508  Dudleya cymosa Thekla Mohr 1911-1 s.n. Los Angeles Topanga, Los Angeles Comment
  RSA653413  Dudleya cymosa subsp. agourensis R. E. Riefner 2000-8-16 20 -737 Los Angeles Agoura Hills, Cornell Road near Agoura Road. Comment
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May 8 2014
  POM184667  Dudleya cymosa subsp. pumila Joseph A. Ewan 1932-5-30 7185 Los Angeles North Fork Tujunga Creek. San Gabriel Mts. 1067 Comment
  RSA748849  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood, C. Huntley, J. Miner 2009-5-12 12690 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
  SD127840  Dudleya densiflora Louis C. Wheeler Unknown 951 Los Angeles San Gabriel Canyon Comment
  UC933194  Dudleya hassei Carl B. Wolf 1950-4-28 3629 Los Angeles facing Pebbly Beach; Santa Catalina Island Comment
  RSA653257  Dudleya lanceolata A. C. Sanders, D. Malueg 1998-6-22 22020 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE. 549 Comment
  UC205023  Dudleya lanceolata I. Johnston 1917-6-16 1294 Los Angeles Playa del Rey Comment
  SD215399  Eclipta prostrata Steve Boyd, Lauren Raz 1996-10-29 9097 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  UCR210145  Eclipta prostrata R. G. Swinney 2008-10-20 9649 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA601408  Ehrharta calycina M. A. Piehl 1963-12-8 631117 Los Angeles W end of airfield runway inland from West Cove (SE of Driggs), San Clemente Island. 18 Comment
  UCR223389  Eleocharis R. G. Swinney 2009-5-27 10873 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CAS-BOT-BC112853  Eleocharis macrostachya LeRoy Abrams 1901-4-10 1452 Los Angeles Inglewood Comment
  CAS-BOT-BC113039  Eleocharis montevidensis George B. Grant 1901-4-4 3852 Los Angeles Los Angeles, sandy river bottom. Comment
  SD186019  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  RSA365426  Eleocharis palustris Robert Gustafson 1981-5-15 2219 Los Angeles Ballona Wetlands, Area 2 Comment
  UCR191201  Eleocharis parishii R. G. Swinney 1999-6-30 7477 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
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May 10 2012
  SBBG59172  Eleocharis radicans R. Hoffmann 1927-8-31 Los Angeles near lake, Palmdale Comment
  UCR204856  Eleusine indica R. G. Swinney 2005-8-8 8398 Los Angeles San Gabriel Mtns, Glendora, Morgan Canyon Debris basin 335 Comment
  RSA188520  Elymus elymoides subsp. elymoides R. F. Thorne, John Olmstead 1965-8-26 35378 Los Angeles San Gabriel Mountians: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  UC53736  Elymus elymoides subsp. elymoides J. Burtt Davy 1896-5-17 2313 Los Angeles Llano Verde Antelope Valley (foothills near Mt. Bells) Comment
  CAS-BOT-BC204361  Elymus trachycaulus subsp. trachycaulus Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3003 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon 1280 Comment
  UCR219428  Emmenanthe penduliflora R. G. Swinney 2009-3-31 10228 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  SEINET5495384  Emmenanthe penduliflora G. B. Grant 390 Los Angeles Pasadena Comment
  UCR270245  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UC1118074  Encelia actoni R. St. John 1928-2-26 2 Los Angeles Elizabeth Lake Quad., Texas Canyon 609 Comment
  CAS-BOT-BC131206  Encelia californica Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA167094  Encelia californica W. G. Webb 1935-2-17 s.n. Los Angeles Eagle Rock. Comment
  LA202422  Encelia frutescens Jonathan Sauer; 1980-4-26 6093 Los Angeles San Gabriel Mountains, below Juniper Hills, N side of San Gabriel Mountains Comment
  NY73772  Ephedra nevadensis T. S. Ross 1992-4-4 6104 Los Angeles San gabriel Mountains: Big Rock Creek: ca. 0.25 mile south of Big Pines Highway, on alluvial bench between the stream and Bog Rock Creekl Road. Valyermo USGS 7.5' Quad 1207.0 Comment
  RSA524173  Ephedra viridis T. S. Ross, Steve Boyd 1990-6-6 2874 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA597978  Ephedra viridis L. C. Wheeler 1970-3-28 s.n. Los Angeles Liebre Mountains. 1 mi. south of Ravenna, Father Garrett's Boys Ranch 793 Comment
  RSA607561  Epidendrum obrienianum Louis C. Wheeler 1965-1-15 8651 Los Angeles Los Angeles: Kerckhoff Estate, University of Southern California, 734 W. Adams Blvd. Comment
  SD3243  Epilobium angustifolium Ruth B. Randall Jul 1931 180 Los Angeles Big Pines Comment
  UCR124255  Epilobium angustifolium L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mtns, S fork of Big Rocky Creek, at Angeles Crest Hwy 2302 Comment
  CDA12158  Epilobium canum subsp. canum A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  RSA579569  Epilobium canum subsp. canum Tim S. Ross, Steve D. Boyd 1994-9-20 8244 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  JEPS44023  Epilobium canum subsp. latifolium Frank W. Peirson 1920-9-13 2282 Los Angeles San Antonio Canyon San Gabriel Mountains 2133 Comment
  UCR128008  Epilobium canum subsp. latifolium Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2993 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR209850  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-16 9247 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCSB4530  Epilobium canum subsp. latifolium 1940-11-16 Los Angeles San Dimas Exp. Forest, Monroe Truck Trail Comment
  UCR203102  Epilobium ciliatum R. G. Swinney 2001-8-27 8112 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  RSA0019769  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Christine Mistretta 2011-7-1 5889 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA679289  Epilobium ciliatum subsp. ciliatum Mark A. Elvin, Anne Marie Ruff 1996-8-1 299 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 3.9 mi from gate at E end of road. Comment
  UC1134737  Epipactis gigantea Jerome S. Horton 1937-6-16 475 Los Angeles West Fork San Dimas Canyon Pomona Quadrangle, San Dimas Experimental Forest Comment
  POM184674  Epipactis gigantea Joseph A. Ewan 1932-5-30 7229 Los Angeles North Fork Tujunga Creek, San Gabriel Mountains. 976 Comment
  UCSB33660  Epipactis gigantea Griesel, Wesley 1962-4-17 Los Angeles Millard Canyon; San Gabriel Mts 548 Comment
  RSA225700  Equisetum X ferrissii R. F. Thorne, C. W. Tilforth 1971-6-17 39939 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  SD82576  Equisetum hyemale subsp. affine Louis C. Wheeler 1931-7-26 Los Angeles San Antonio Mountains, Palmer Canyon 730 Comment
  UCR129827  Equisetum hyemale subsp. affine L. C. Wheeler 1931-9-27 161 Los Angeles San Gabriel Mtns., San Dimas Canyon 686 Comment
  RSA588078  Equisetum hyemale var. affine Orlando Mistretta, Timothy S. Ross 1994-6-1 1299 Los Angeles San Gabriel mountains, Santiago Canyon 1613 Comment
  CAS-BOT-BC57319  Equisetum laevigatum Le Roy Abrams 1901-4-8 1444 Los Angeles Los Angles River, near Tropico Comment
  UCR184104  Equisetum laevigatum A. C. Sanders 2007-4-13 33411 Los Angeles Tehachapi Mtns. Foothills, below the entrance road near the gate to the National Cement Plant, along creek c. 0.25 mi south of Kern Co. line 991 Comment
  SBBG131545  Equisetum laevigatum S. A. Junak 1999-7-16 SCa 1049 Los Angeles lower part of Cottonwood Cyn, just upstream from rd to Ben Weston Beach 30 Comment
  LA94032  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-4-9 1819 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 1 mi above Sunset Blvd. 182 Comment
  RSA684719A  Equisetum telmateia var. braunii M. B. Dunkle 1928-5-20 1964 a Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  UCR205733  Eragrostis mexicana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37017 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
  CDA31773  Eragrostis mexicana Phillipson 1915-6-1 s.n. Los Angeles South Santa Anita. Comment
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Jan 17 2015
  RSA640877  Eragrostis mexicana subsp. virescens L. C. Wheeler 1967-8-8 10371 Los Angeles Loomis Ranch, Alder Creek 1311 Comment
  CAS-BOT-BC278519  Eragrostis pilosa var. pilosa Cecil Hart 1921-7-1 12 Los Angeles Howard & Smith's nursery Comment
  RSA128015  Eremocarpus setiger P. H. Raven, Henry J. Thompson 1959-10-18 14682 Los Angeles Decker Road 1.8 mi. south of Mulholland Highway 488 Comment
  SBBG58290  Eriastrum densifolium R. Hoffmann 1927-6-13 Los Angeles near Chandler's Comment
  RSA0104860  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3889 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0107956  Eriastrum densifolium subsp. elongatum Joseph M. Keefe 2001-1-19 30996 a Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 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
  RSA0119646  Eriastrum densifolium subsp. mohavense P. A. Munz 1928-6-19 11069 Los Angeles Sand hills so. of Mohave. Comment
  UCR182481  Eriastrum sapphirinum subsp. ambiguum R. G. Swinney 1997-7-17 5690 Los Angeles San Gabriel Mtns., 0.5 mi. north of summit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  CAS-BOT-BC514990  Eriastrum sapphirinum subsp. dasyanthum R. F. Hoover 1968-6-6 11147 Los Angeles Summit of Santa Monica Mts. just W of Sepulveda Blvd. Comment
  RSA76282  Eriastrum sapphirinum subsp. sapphirinum F. W. Peirson 1922-7-7 4128 Los Angeles Sheep Creek. North base of San Gabriel Mountains. 1448 Comment
  UCR255760  Ericameria cooperi R. G. Swinney 2010-5-12 12703 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  SBBG62821  Ericameria cooperi var. cooperi Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  UC1118733  Ericameria linearifolia N. French 1934-5-11 346 Los Angeles 1 mi ne of Ravenna; Tujunga Quadrangle Comment
  UC1871241  Ericameria linearifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5038 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UCR270497  Ericameria linearifolia R. G. Swinney 2011-4-1 14316 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
  UCR259989  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-10-8 13999 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  OBI56529  Ericameria nauseosa var. hololeuca Louis C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mts. Sycamore Flat Campground; Big Rock Crk 1311 Comment
  SBBG62954  Ericameria nauseosa var. hololeuca R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, ca. 7 mi E of Saugus Comment
  POM161126  Ericameria palmeri var. pachylepis J. E. Adams 1905-10 S.N. Los Angeles Soldiers Home. Comment
  UCR125237  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25507 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  CAS-BOT-BC293125  Ericameria pinifolia David D. Keck 1932-10-14 1949 Los Angeles Tujunga Wash, 4 miles east of Van Nuys, on Van Owen Street Comment
  CAS-BOT-BC293133  Ericameria pinifolia C. F. B. 1903-10-1 4076 Los Angeles Claremont Comment
  CAS-BOT-BC293144  Ericameria pinifolia Ernest C. Twisselmann 1961-10-31 6677 Los Angeles Liebre Mountains: Munz Lake 929 Comment
  RSA381394  Ericameria pinifolia R. F. Thorne, M. Z. Thorne 1966-11-1 41378 Los Angeles San Antonio Canyon, near Mt. Baldy Village Comment
  RSA573739  Ericameria pinifolia Timothy S. Ross 1992-7-17 6723 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  RSA639882  Erigeron breweri var. jacinteus L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  RSA0021482  Erigeron foliosus Duncan S. Bell, Caitlin Elam 2013-7-11 5354 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA774795  Erigeron foliosus R. G. Swinney 2009-7-29 11404 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  POM357479  Erigeron foliosus var. foliosus F. R. Fosberg 1931-8-10 S 5643 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  RSA753995  Eriodictyon crassifolium var. nigrescens Doug Tolbert 1970-5-8 700508 -04 Los Angeles Angeles National Forest, road to Switzer s Camp, 200 yards from junction with State Route 2 1098 Comment
  UCR270005  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-12 12730 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  CAS-BOT-BC188956  Eriodictyon parryi Mrs. S. Earle Kelley 1917-9-1 s.n. Los Angeles Mount Wilson Comment
  RSA774618  Eriodictyon trichocalyx R. G. Swinney 2009-7-29 11424 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA188504  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne, J. D. Olmsted 1965-8-28 35373 Los Angeles San Gabriel Mts; Angeles National Forest; Prairie Fork NE of Camp Lupine 2149 Comment
  SBBG44383  Eriogonum angulosum G. Sphon, D. Hearn 1956-5-30 24 Los Angeles Black Butte Comment
  UCD170176  Eriogonum brachyanthum R. G. Swinney 2009-5-6 10682 Los Angeles Transeverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek. 909 Comment
  RSA393145  Eriogonum cinereum Ora M. Clark 1928-12-23 1383 Los Angeles Hermosa. Comment
  SEINET6332077  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles South Coast; Just west of Leo Carrillo State beach along Hwy 1, c. 1 mi. south of Ventura Co. line 8 Comment
  SEINET11937873  Eriogonum cinereum Unknown 1929-1 s.n. Los Angeles Roger's Canyon, Santa Monica Mts 145 Comment
  JEPS56929  Eriogonum cithariforme Frank W. Peirson 1921-5-20 2411 Los Angeles Little Rock Creek 975 Comment
  RSA0019771  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 2011-6-23 5754 a Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  RSA600142  Eriogonum cithariforme var. agninum Steve Boyd, Lauren Raz 1997-5-29 9923 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
  RSA0022259  Eriogonum davidsonii Duncan S. Bell, Caitlin Elam 2013-8-1 5549 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  UCR217818  Eriogonum elongatum Dan S. Cooper 2010-8-26 810- 96 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  RSA65159  Eriogonum elongatum var. elongatum F. W. Peirson 1919-10-26 19 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  LA78814  Eriogonum fasciculatum H. Lewis; 1942-12-1 247 Los Angeles Caltech Campus, Pasadena Comment
  RSA0068455  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-1 12143 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR140647  Eriogonum fasciculatum subsp. polifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 7 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  RSA393415  Eriogonum fasciculatum var. foliolosum Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA486467  Eriogonum fasciculatum var. foliolosum Richard Noyes 1988-7-30 602 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  UCR139928  Eriogonum fasciculatum var. foliolosum Scott D. White 1997-5-15 5150 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  UCR50756  Eriogonum fasciculatum var. foliolosum A. C. Sanders 1988-5-18 7851 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR252893  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-29 13398 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA0127577  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-20 10114 Los Angeles Aliso Canyon. 1067 Comment
  SD92008  Eriogonum giganteum var. formosum Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22672 Los Angeles cliff above the sea, east side 1 mile south of Wilsons Cove, San Clemente Island 29 Comment
  CAS-BOT-BC250296  Eriogonum giganteum var. giganteum Ira L. Wiggins 1925-6-1 1770 Los Angeles White's [Whites] Landing. Santa Catalina Island Comment
  CAS-BOT-BC253458  Eriogonum gracile F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon, near Pasadena, San Gabriel Mts. Comment
  RSA766140  Eriogonum gracile Delzie Demaree 1933-10-7 10538 Los Angeles Los Angeles. Comment
  UC407286  Eriogonum gracile LeRoy Abrams 1902-7-5 2721 Los Angeles near Azura; San Gabriel Wash Comment
  RSA393240  Eriogonum gracile var. gracile Anstruther Davidson 1893-08 s.n. Los Angeles Los Angeles Comment
  SD107864  Eriogonum grande var. grande Glen A. Gorelick 1978-7-17 Los Angeles Santa Catalins Island, Little Fisherman's Cove campground, Isthmus Comment
  SEINET253373  Eriogonum heermannii Victor Duran aug 10 1933 Los Angeles South Fork Big Rock Creek, San Gabriel Mts., Comment
  RSA5790  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-10-21 1619 Los Angeles Big Rock Creek, 1/8 mi. below Big Rock Ranger Station. 1067 Comment
  CAS-BOT-BC268787  Eriogonum mohavense John Thomas Howell 1930-5-12 4890 Los Angeles 2 miles north of Palmdale, Mojave Desert Comment
  RSA249756  Eriogonum nidularium Robert F. Thorne 1973-5-11 43466 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  LA206952  Eriogonum nudum var. pauciflorum H. Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  RSA330819  Eriogonum nudum var. pauciflorum Wayen E. Sawyer 1981-7-18 98 Los Angeles San Gabriel Mountains, Angeles National forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 miles from Dawson Saddle 2302 Comment
  SD38703  Eriogonum parvifolium var. parvifolium Edith A. Purer 1933-10-7 5584 Los Angeles Partially stabilized sand dunes, El Segundo Comment
  CDA22652  Eriogonum roseum Phillipson 1915-7-12 Los Angeles Monrovia. Comment
  CAS-BOT-BC268167  Eriogonum umbellatum var. minus Wesley O. Griesel 1960-8-11 s.n. Los Angeles Dawson Saddle, Angeles Crest Highway, San Gabriel Mts. 2438 Comment
  RSA756854  Eriogonum umbellatum var. munzii R. G. Swinney 2008-7-15 9230 Los Angeles Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
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Aug 16 2019
  SBBG64211  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  RSA420609  Eriogonum wrightii var. subscaposum F. R. Fosberg 1931-8-11 S- 5646 Los Angeles Pine Flats, north fork, San Gabriel Canyon, San Gabriel Mountains 1820 Comment
  CAS-BOT-BC297937  Eriophyllum confertiflorum Steven M. Kaune 1962-6-13 373 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 Mts 914 Comment
  CHSC327  Eriophyllum confertiflorum E. Thomas 1940-4-6 Los Angeles Above Claremont. Comment
  POM357930  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2237 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  POM4920  Eriophyllum confertiflorum M. Hitchcock 1918-7-3 36 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. Comment
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May 29 2014
  RSA29639  Eriophyllum confertiflorum Joseph A. Ewan 1933-6-17 10826 Los Angeles Dry canyon bottom, with Platanus Temescal Canyon, Santa Monica Mts. Comment
  RSA515136  Eriophyllum confertiflorum Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 795 -8 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SEINET4044546 Image available Eriophyllum confertiflorum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  UCR272638  Eriophyllum confertiflorum R. G. Swinney 2011-5-6 14581 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  RSA0009772  Eriophyllum confertiflorum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA0046925  Eriophyllum confertiflorum Ruth Herley 1932-4-16 s.n. Los Angeles Near Dekker [Decker] Ranch, Santa Monica Mts. Comment
  CATA158  Eriophyllum confertiflorum var. confertiflorum Mark L. Hoefs, A. Douglas Propst 1973-3-14 119 Los Angeles Santa Catalina Island: West side of White's Landing, on bank behind beach 7 Comment
  POM357902  Eriophyllum confertiflorum var. confertiflorum Anstruther Davidson 1918-8-1 3093 Los Angeles San Gabriel Mountains. Comment
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Mar 6 2015
  UC468892  Eriophyllum confertiflorum var. confertiflorum T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
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Jan 29 2008
  UC896384  Eriophyllum pringlei I. W. Clokey and B. C. Templeton 1930-4-8 4654 Los Angeles w of Lancaster 400 Comment
  UCR170400  Eriophyllum wallacei John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  CLARK-A1528-5432  Erodium botrys John C. Roos 1943-3-27 2622 Los Angeles West Los Angeles 0 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
  RSA598262  Erodium cicutarium R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Disturbed area on Big Dalton Canyon Road, 0.9 mi. E of Glendora Mtn. Rd. 427 Comment
  RSA654653  Erodium cicutarium Fred Brooks 1988-5-7 33 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  RSA670160  Erodium cicutarium Joseph M. Keefe 2001-3-19 31173 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of end of road, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 470 Comment
  UC1587652  Erodium cicutarium Tim Ross 1991-3-9 4194 Los Angeles un-named canyon, Whittier Hills, (Puente Hills, pro parte) Whittier Hills, Puente Hills 304 Comment
  UCR177239  Erodium cicutarium L. C. Wheeler 1967-5-23 9706 Los Angeles Transverse Ranges; San Gabriel Mountains, near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  UCR205219  Erodium cicutarium R. G. Swinney 2006-6-18 8533 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  LA99310  Erodium cicutarium Jonathan Sauer; John O'Leary 1978-4-18 6001 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, High ridge Comment
  SD113961  Erodium cicutarium Darley F. Howe 1915-1 45 Los Angeles Claremont Comment
  SFV21138  Erodium moschatum J. M. Keefe 2001-1-24 31019 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  RSA0036213  Erodium moschatum Bill Duval s.n. Los Angeles Montrose. 60 Comment
  SD37870  Erysimum capitatum var. capitatum Edith A. Purer 1935-5-11 6566 Los Angeles Malibou Lodge Road, Santa Monica Mountains. Comment
  HSC34792  Eschscholzia caespitosa R. E. Cooksey Mar 1972 4 Los Angeles Pomona College Wash 335 Comment
  RSA66735  Eschscholzia caespitosa subsp. caespitosa F. W. Peirson 1951-1 1888 Los Angeles Arroyo Seco, near Switzer's Trail, south slope of San Gabriel Mts. Comment
  CATA3010  Eschscholzia californica Amy Catalano, Schylar Gholson 2016-2-19 016 Los Angeles Santa Catalina Island: Along Cape Canyon Road, east of drainage with old Middle Cape Reservoir 267 Comment
  IRVC29574  Eschscholzia californica A. C. Sanders 2003-4-29 26188 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA670925  Eschscholzia californica Joseph M. Keefe 2001-1-19 30932 Los Angeles North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive); Eagle Rock District, Los Angeles, 90041. 293 Comment
  RSA652140  Eschscholzia californica Frank W. Hedges 1948-5-9 s.n. Los Angeles 517 W. Puente, Covina. 170 Comment
  POM605986  Eschscholzia californica var. peninsularis Leota Brice 1930-4-28 s.n. Los Angeles San Fernando. Comment
  CAS-BOT-BC5934  Eschscholzia picta Samuel Bonsal Parish 1887-6-1 1952 Los Angeles San Francisquito Canyon, Los Angeles Co. Comment
  RSA549229  Eucalyptus globulus Scott D. White 1992-10-8 870 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA0115828  Eucrypta chrysanthemifolia R. G. Swinney 2011-3-29 14244 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
  SEINET4044459  Eucrypta chrysanthemifolia D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 259 Comment
  SFV3050  Eucrypta chrysanthemifolia A. M. Johnson 1934-4-20 4442 Los Angeles Santa Monica Mountains Sepulveda Canyon. Comment
  RSA584060  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross 1991-4-25 4591 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA599885  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Lauren Raz 1997-5-6 9730 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  SD260282  Eulobus californicus R. G. Swinney 2010-5-19 12825 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytifcs Station, at end of Pacific Telephone Access Rd., W of Angeles Natl. Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  UCR197768  Euphorbia albomarginata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 47 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
  RSA436004  Euphorbia crenulata H. S. Budd s.n. Los Angeles Catalina Island. Comment
  UCR95347  Euphorbia maculata L. C. Wheeler 1966-10-12 8971 Los Angeles San Gabriel Mtns., San Gabriel Canyon, E fork, 1/2 mile north of Cattle Canyon 610 Comment
  RSA167698  Euphorbia peplus R. F. Thorne, Percy C. Everett 1964-2-7 33442 Los Angeles Curbside weed in Avalon, Santa Catalina Island. Comment
  SD181566  Euphorbia serpillifolia Scott D. White 2000-6-24 8095 Los Angeles Puente Hills; City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins Park. 213 Comment
  RSA605373  Euphorbia terracina D. Koutnik 1996-3-14 s.n Los Angeles Corral Canyon road about 1/4 mi. N. of Pacific coast hwy, at crossing of Solstice Canyon. 10 Comment
  LA201721  Euphorbia terracina Arthur C. Gibson; 2001-5-19 4818 Los Angeles Santa Monica Mountains, Topanga Canyon, along Pacific Coast Hwy near junction with State Hwy 27 Comment
  SEINET273048  Euryops pectinatus Scott D. White 1997-12-31 Los Angeles Malibu Coast; Mouth of Trancas Cyn N of Pacific Coast Hwy. USGS Point Dume quad. T/R/S not mapped 8 Comment
  SBBG37751  Extriplex californica M. B. Dunkle 1939-4-5 7275 Los Angeles China Pt Comment
  SD181604  Extriplex californica Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 118 Los Angeles Channel Islands, San Clemente Island, stabilized dune. Comment
  SD40175  Extriplex californica Edith A. Purer 1931-12-27 Los Angeles El Segundo Comment
  UCR187223  Festuca microstachys var. ciliata A. C. Sanders 2006-4-18 32109 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR203187  Festuca myuros R. G. Swinney 2005-5-21 8261 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR272357  Festuca myuros R. G. Swinney 2011-6-20 15227 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA0082593  Festuca perennis R. G. Swinney 2010-6-4 13003 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  UCR259601  Festuca perennis R. G. Swinney 2010-5-11 12626 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  SEINET10621140  Ficus carica Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2651 Los Angeles City of Glendale. Ara Deli, Armenian & Middle Eastern Foods, 1021 E. Broadway. Comment
  RSA0089289  Ficus microcarpa R. E. Riefner Jr. 2014-10-6 14 -369 Los Angeles Harbor city, W of 110-Freeway, on Figueroa Pl. ca. 0.3 mi N of Anaheim St., opposite of Harbor Park Golf Course. 9 Comment
  RSA191102  Filago californica R. F. Thorne, M. Z. Thorne 1967-6-25 27091 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  UCR20357A  Filago californica Fordyce Grinnell Jr. 1921-4-3 15741 A Los Angeles San Gabriel Mtns, Pacoima Canyon, 'Santa Monica Mtns. 793 Comment
  POM157959  Foeniculum vulgare George B. Grant 1904-08 s.n. Los Angeles Los Angeles. Comment
  RSA781425  Forestiera pubescens Erika Gardner, LeRoy Gross, Nancy Hamlett 2012-3-8 4 Los Angeles City of Claremont, Bernard Field Station. Along the north side of pHake lake 402 Comment
  SBBG58520  Forestiera pubescens R. Hoffmann 1931-6-23 Los Angeles W of Lancaster Comment
  POM9924  Forestiera pubescens F. W. Peirson 1921-5-19 s.n. Los Angeles Little Rock Creek 945 Comment
  LA82205  Frangula californica subsp. californica O. H. Kappler; 1941-3-21 143 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  UCR273228  Frangula californica subsp. cuspidata R. G. Swinney 2011-10-18 15825 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA188151  Frankenia grandifolia Robert F. Thorne, P. Everett 1965-6-23 34937 Los Angeles Santa Catalina Island. Benson Weston Beach, W side of island. At base of bluff S side of beach. Comment
  CAS-BOT-BC223763  Frankenia salina Ira W. Clokey 1930-6-4 5005 Los Angeles Santa Cruz Island Comment
  CATA348  Frankenia salina Mark L. Hoefs 1973-7-20 391 Los Angeles Santa Catalina Island: By main road at Little Harbor 4 Comment
  RSA464915  Fraxinus dipetala L. E. Hoffman 1928-7-8 s.n. Los Angeles Oak Canyon, eask fork of San Gabriel River. Comment
  OBI80788  Fraxinus velutina Luis Aguilar 2015-8-26 Los Angeles Peter Strauss Ranch, along Mulholland Hwy at northeast corner of the park. 230 Comment
  RSA600060  Fremontodendron californicum Steve D. Boyd, Lauren Raz 1997-5-20 9815 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  SBBG72776  Fremontodendron californicum V. Duran 1933-7-11 3510 a Los Angeles Sulphur Springs 1600 Comment
  RSA367725  Fritillaria biflora K. Crawford 1949-3-29 s.n. Los Angeles Mulholland Drive and Fire Road #20, Santa Monica Mountains. Comment
  RSA376626  Fritillaria biflora I. M. Johnston s.n. Los Angeles Topanga. Comment
  RSA574292  Galenia pubescens J. R. Ekhoff 1992-6-12 s.n. Los Angeles Signal Hill: disturbed, undeveloped property along Hill street in the two-block area between Stanley and Ohio Avenues. Area scheduled to be developed. 76 Comment
  UC50784  Galinsoga parviflora var. parviflora Geo. B. Grant Oct 1902 486 Los Angeles Los Angeles Comment
  POM367615  Galium T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  UCR192895  Galium R. G. Swinney 1999-8-9 7611 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  RSA87347  Galium andrewsii subsp. intermedium F. W. Peirson 1919-5-10 399 Los Angeles Arraster [Arrastre] Creek. 976 Comment
  UC1143114  Galium andrewsii subsp. intermedium A. D. Gifford 1935-4-10 557 Los Angeles 7 mi nw Redrock Mountain; Angeles National Forest, Tejon Quadrangle Comment
  UCR205678  Galium angustifolium A. C. Sanders, T. B. Salvato 2009-5-29 37035 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UCR206449  Galium angustifolium R. G. Swinney 2008-6-9 8966 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CATA1773  Galium angustifolium subsp. angustifolium Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6913 Los Angeles Santa Catalina Island: Wild Boar Gully 100 Comment
  UC1587576  Galium angustifolium subsp. angustifolium Tim Ross and Annette Ross 1991-9-7 5953 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass USGS 7.5' quadrangle 411 Comment
  UCD121582  Galium angustifolium subsp. angustifolium Daryl Koutnik 1978-6-24 550 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  RSA229186  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-29 40711 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA191165  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  RSA708106  Galium angustifolium subsp. gabrielense Gary D. Wallace 1985-5-30 2198 Los Angeles Monrovia, 0.25 mi. E of Sawpit Dam. Comment
  SBBG96665  Galium aparine S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 b Los Angeles lower half of China Cyn, W side Comment
  SBBG97002  Galium aparine S. Boyd with T. Ross, L. Arnseth 1990-4-8 4370 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA652699  Galium aparine Phillip Robinson 1991-5-19 377 Los Angeles Sycamore Canyon 0.25 miles south of Bererly Blvd and WOrkman Mill Road. 2.2 miles east of Workman Mill Road on trail into Canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy]. At end of right fork of trail. Comment
  SD84900  Galium aparine Reid Moran 1941-2-17 581 Los Angeles Middle Ranch, San Clemente Island, east side of arroyo 500 Comment
  CATA657  Galium catalinense Mark L. Hoefs 1991-4-18 1146 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  SD91997  Galium catalinense Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22683 Los Angeles San Clemente Island; on cliffs, west fork of Red Rock Canyon 280 Comment
  POM367798  Galium catalinense subsp. catalinense R. M. Beauchamp 1967-3-20 376 Los Angeles Catalina Island. South of Avalon above beach road. Comment
  SD181349  Galium grande Valeria Soza, W. Law, L. Moore 2000-7-7 1054 Los Angeles San Gabriel Mountains; East of White Saddle, above Cold Springs Canyon. 1.54 miles east of junction of Van Tassel Truck Trail and Silver Fish Road, along Silver Fish Road 853 Comment
  CATA1224  Galium parisiense Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2290 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  UCR260615  Galium porrigens R. G. Swinney 2010-8-9 13467 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA654219  Galium porrigens var. porrigens Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 949 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 640 Comment
  JEPS22245  Galium porrigens var. porrigens Rimo Bacigalupi with R. Alava 1958-7-20 6401 Los Angeles close to Angeles Crest Hwy. (State Hwy. 2); San Gabriel Mts., Angeles Nat'l For., Charlton Flat 1623 Comment
  RSA762055  Gamochaeta pensylvanica Orlando Mistretta, Christine Mistretta 2008-5-16 3104 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 109 per TRTP Survey 2008), Upper Fish Canyon. 1001 Comment
  CAS-BOT-BC303401  Gamochaeta ustulata Tim Ross; Janet Takara 1993-4-23 6943 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, ca 1035 m WNW of Black Jack Mtn summit 435 Comment
  UC1871214  Gamochaeta ustulata T. Ross 1993-4-21 6847 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk; 2750 ft WNW of Cactus Pk summit 435 Comment
  UCR212839  Garrya veatchii Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1819 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel River main stem across from Morris Dam, north side of parking area 406 Comment
  RSA158334  Gastridium phleoides P. H. Raven 1962-7-10 17967 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island Comment
  CAS-BOT-BC278705  Gastridium ventricosum E. R. Blakley 1962-6-9 5209 Los Angeles Between Triangulation Points Chinety and Rest, above Mosquito Cove. San Clemente island 335 Comment
  RSA729395  Gayophytum oligospermum R. G. Swinney 1998-7-21 6484 Los Angeles 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  SBBG38249  Genista linifolia S. A. Junak with K. Kirkland 1998-4-5 SCa 551 Los Angeles Toyon Bay, just inland from mouth of cyn 18 Comment
  LA33618  Geranium carolinianum Peter H. Raven; 1959-4-4 13949 A Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  SBBG118148  Geranium carolinianum F. R. Fosberg 1931-3-20 4319 Los Angeles Hamilton Cyn 40 Comment
  RSA0080772  Gilia R. G. Swinney 2010-5-19 12774 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
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Dec 7 2018
  UCR157721  Gilia Ed LaRue, R. Montijo 1991-4-2 91- 09 Los Angeles Western Mojave Desert, Palmdale: property bounded on north by Avenue 'M' on the west by 20th St. West, on the south by Ave. 'N', and on the east by 10th St. West 793 Comment
  SEINET6969902  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  RSA177799  Gilia angelensis R. F. Thorne, P. C. Everett 1965-5-11 34574 Los Angeles N side of N beach of Little Harbor; Santa Catalina Island 15 Comment
  RSA607085  Gilia angelensis L. C. Wheeler 1934-4-17 2532 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  SBBG38695  Gilia angelensis R. Moran 1941-3-11 697 Los Angeles N of Middle Ranch 300 Comment
  POM9658  Gilia angelensis P. A. Munz 1920-2-24 3240 Los Angeles 3 miles north of Claremont at base of foothills 427 Comment
  RSA725925  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  RSA653782  Gilia capitata subsp. abrotanifolia J. Bogdanoff-Lord 1989-5-21 20 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
  UCR123640  Gilia capitata subsp. abrotanifolia Steven R. Hill, K. Kramer 2001-4-22 33353 Los Angeles San Gabriel Mountains/SW Mojave Desert, S side of Antelope Valley, Johnson Road, 6.2 mi NNE of junction with Elizabeth Lake Road, 3 mi south of junction of Avenue I and 110th Street West 939 Comment
  LA206520  Gilia capitata subsp. abrotanifolia C. B. Wolf; 1936-4-26 7775 Los Angeles San Fernando Valley, W side of Burbank at Victory Blvd and Elm Ave 152 Comment
  UCR110588  Gilia inconspicua L. C. Wheeler 1963-5-5 8252 Los Angeles San Gabriel Mtns, Bear Creek, off West Fork San Gabriel River 549 Comment
  UCR84483  Gilia latiflora subsp. cuyamensis T. S. Ross, Steve Boyd 1994-5-25 7882 Los Angeles Liebre Mtns., West Summit of Liebre Mtn, West Summit here construed as the rounded knoll 100 m south of the intersection of sections 3, 4, 9, 10. 1709 Comment
  RSA621048  Gilia latiflora subsp. davyi J. Mark Porter 1998-4-27 11837 Los Angeles Antelope Valley: N. of Hwy 138 (Avenue D - Neenach Rd) at powerline, Antelope Valley California Poppy Reserve. Comment
  CAS-BOT-BC226401  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 3004 Los Angeles Little Rock Creek, Mohave [Mojave] Desert Comment
  UCSB33302  Gilia ochroleuca Griesel, Wesley 1962-6-6 Los Angeles State Hwy. 2, E. of Newcombs Ranch; San Gabriel Mts. 1828 Comment
  SBBG40665  Gilia ochroleuca subsp. bizonata E. R. Blakley 1958-5-9 2276 Los Angeles 2 mi E of Gorman 1097 Comment
  CAS-BOT-BC401994  Gilia ochroleuca subsp. bizonata Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4811 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  CAS-BOT-BC402067  Gilia ochroleuca subsp. vivida Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1828 Comment
  RSA0017187  Gilia ochroleuca subsp. vivida R. F. Thorne 1971-6-26 39994 Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  RSA436243  Githopsis diffusa subsp. diffusa Anstruther Davidson 1914-06 2972 Los Angeles Bonita Camp, San Gabriel Canyon, San Gabriel Mountains. Comment
  RSA436244  Githopsis diffusa subsp. diffusa Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  UCR265626  Glechoma hederacea Michael C. Long 2015-5-1 925 Los Angeles San Gabriel Mountains, Upper Arroyo Seco, c. 0.6 mi. southwest of Switzer's Picnic area, at first river crossing south of Switzer's, along east edge of trail 929.64 Comment
  UC565537  Glyptopleura setulosa Herbert L. Mason 1924-4-26 3015 Los Angeles Little Rock Creek Mohave Desert, Little Rock Creek Comment
  CAS-BOT-BC303783  Glyptopleura setulosa Ira L. Wiggins 1966-4-17 20599 Los Angeles About 2 miles N of Theodore Payne Wildflower Sanctuary, NE of Pearblossom, Mojave Desert Comment
  RSA156207  Gnaphalium californicum L. R. Abrams 1902-6-15 2547 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA656967  Gnaphalium canescens Ian Thompson 1997-2-26 21 Los Angeles Cal Poly Pomona Ecological Reserve, north of D-line. Comment
  IRVC29585  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26193 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UCR45015  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1986-7-30 6813 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA527672  Gnaphalium luteoalbum Steve Boyd 1990-4-8 4292 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET3245992  Gnaphalium palustre R. G. Swinney 2009-1 11471 Los Angeles Tranverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  UC1595461  Grayia spinosa Tim Ross 1992-4-4 6075 Los Angeles Adobe Mt. s.w. Mohave Desert, Adobe Mt. U.S.G.S. 7.5' topo, Adobe Mt. 926 Comment
  JEPS16505  Grindelia hirsutula Peter H. Raven 1956-7-8 9667 Los Angeles low ridge w of University of California Campus; Santa Monica Mts. Comment
  SEINET6088156  Gutierrezia californica Unknown 1961-9-24 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA588685  Gutierrezia microcephala Orlando Mistretta 1995-7-12 1897 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  UC1871213  Harpagonella palmeri T. S. Ross 1993-4-21 6853 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit Comment
  RSA527742  Hazardia cana Steve Boyd, Timothy S. Ross, Arnseth 1990-4-8 4308 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  POM359470  Hazardia squarrosa var. grindelioides M. B. Dunkle 1930-3-30 2155 Los Angeles Santa Catalina Island, Moonstone Beach. Comment
  UC1870145  Hazardia squarrosa var. grindelioides LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains; Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Near 34° 13' 14.7'' N 118° 18' 32'' W. Elev. 2000 Feet. 609 Comment
  CATA1836  Hedypnois cretica Denise Kraus 2000-4-27 15 Los Angeles Santa Catalina Island: (Goat Harbor burn area) about 15 feet down trail leading from parking loop into burn area (This trail starts downslope and to the east of the western fuel break road) 457 Comment
  CAS-BOT-BC306296  Hedypnois cretica A. R. Roos 1954-5-17 s.n. Los Angeles Near North Kenmore and Oakdale Streets, Hollywood 91 Comment
  RSA188503  Helenium bigelovii R. F. Thorne, John Olmsted 1965-8-26 35358 Los Angeles Angeles National Forest: along switchback below Guffy Camp on Blue Ridge 2470 Comment
  POM359756  Helenium puberulum L. C. Wheeler 1931-8-22 14 Los Angeles Puddingstone Lake. 259 Comment
  CAS-BOT-BC223985  Helianthemum scoparium Crawford; Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mts. Comment
  RSA0116281  Helianthemum scoparium R. G. Swinney 2010-8-23 13574 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  JEPS35467  Helianthus annuus F. W. Peirson 1919-3-11 326 Los Angeles first canyon e Rubio Canyon; San Gabriel Mts. 548 Comment
  RSA0055996  Helianthus annuus Richard G. Swinney 2010-3-16 11938 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
  UCR271885  Helianthus annuus R. G. Swinney 2010-4-28 12411 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
  CAS-BOT-BC305690  Helianthus gracilentus A. D. E. Elmer 1902-6-1 3611 Los Angeles Acton Comment
  SBBG13190  Heliotropium curassavicum E. R. Blakley 1961-9-22 4730 Los Angeles Ballast Pt, Catalina Harbor Comment
  UCR214652  Heliotropium curassavicum A. C. Sanders, Dan S. Cooper 2010-4-30 38143 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0115078  Heliotropium curassavicum Steven A. Junak 2000-10-12 SCa- 1413 Los Angeles Santa Catalina Island. On N side of Thompson Reservoir. 195 Comment
  POM155855  Heliotropium curassavicum var. oculatum M. B. Dunkle 1928-4-11 1853 Los Angeles Near Isthmus, Santa Catalina Island. 5 Comment
  CATA1131  Helminthotheca echioides Mark L. Hoefs 1995-5-23 2118 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  RSA681052  Hemizonia fasciculata Scott D. White 2003-6-2 9445 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR12201  Hemizonia fasciculata Art Whistler 1966-6-20 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., along Mulholland Hwy. from Woodland Hills past the Morrow Picture Home (3 mi from home, 22633 Sylvan St.) Comment
  UCR65220  Hemizonia fasciculata F. R. Fosberg 1931-5-21 S- 04930 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing 20 Comment
  RSA573468  Hemizonia fasciculata Timothy S. Ross 1992-6-15 6590 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills) ridgetope between two un named canyons that drain ENE taward Orange Grove Ave in Hacienda Heights. 317 Comment
  RSA601558  Hemizonia fasciculata L. C. Wheeler 1967-6-15 9825 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 579 Comment
  RSA603415  Hemizonia fasciculata L. C. Wheeler 1936-6-30 4196 Los Angeles E side San Dimas Canyon near dam, San Gabriel Mts. 457 Comment
  RSA248879  Hesperevax sparsiflora var. sparsiflora R. F. Thorne 1973-4-12 42975 Los Angeles Large canyon S of Mosquito Cove N of Chenity; San Clemente Island. 274 Comment
  RSA569915  Hesperocnide tenella Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4826 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA158348  Hesperocnide tenella Peter H. Raven 1962-5-9 17701 Los Angeles Canyon north of Gray, San Clemente Island. 305 Comment
  SD79059  Heteromeles arbutifolia var. macrocarpa R. M. Beauchamp 1966-8-9 56 Los Angeles Santa Catalina Island: South slope above road between the Isthmus and Fourth of July Cove Comment
  RSA0008468  Heterotheca fastigiata F. R. Fosberg 1930-7-3 53103 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR256252  Heterotheca grandiflora R. G. Swinney 2010-3-22 12084 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  CAS-BOT-BC318877  Heterotheca grandiflora Huron H. Smith 1912-5-1 4883 Los Angeles Eagle Rock Valley 152 Comment
  RSA0074392  Heterotheca grandiflora M. B. Dunkle 1928-2-19 1710 Los Angeles Santa Catalina Island, Hay Press 427 Comment
  RSA0074414  Heterotheca grandiflora Anstruther Davidson 1999 Los Angeles Santa Monica. Comment
  CHSC85563  Heterotheca sessiliflora subsp. fastigiata John Dittes 2003-12-24 858 Los Angeles Western Transverse Range; southwest slope of Verdugo Mts. On ridge between Chandler and Jeffries Canyons; ca. 3.4 air-miles northwest of Burbank City Hall, ca. 0.8 air-mile south of La Tuna Cyn. Road, ca. 0.8 air-mile north by northeast of intersection of Hollywood Way and I-5; along graded fire road above (northeast of) Lanark Street. 452 Comment
  RSA0062986  Heuchera elegans Fordyce Grinnell Jr. 1918-7-8 s.n. Los Angeles Mt. Islip Ridge, San Gabriel Mountains. 2561 Comment
  RSA0048636  Heuchera sanguinea Jack Pepper 1953-4-10 s.n. Los Angeles Cheviot Hills. Comment
  RSA495552  Hieracium albiflorum S. Zona, D. Arias, O. Dorado, M. Hanson, J. L. Villasenor 1989-6-21 356 Los Angeles Mountain High Ski Resort. W of Wrightwood; N slopes of San Gabriel Mts. 2018 Comment
  RSA608590  Hieracium argutum L. C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, along trail to Chilao. 1249 Comment
  LA97873  Holodiscus discolor Kei Nakai; 1977-4-7 154 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 2 mi above Sunset Blvd. 243 Comment
  SBBG132299  Hordeum S. A. Junak, B. Collins 1991-4-25 SCI- 229 Los Angeles overlooking E side of island, Triangulation Point "Jack" 274 Comment
  SD252247  Hordeum depressum Steven A. Junak 1999-5-20 Sca 957 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road. 305 Comment
  SD264707  Hordeum intercedens Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 Sca 596 Los Angeles UTM in supplement. Santa Catalina Island: Small rise just NE of Airport road, just S of ridge with Whitley's Peak. 427 Comment
  POM12254  Hordeum murinum subsp. glaucum F. L. Robinson 1921-4-15 33 Los Angeles Claremont. 365 Comment
  LA33403  Hordeum vulgare Peter H. Raven; Henry J. Thompson 1959-5-5 14123 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  CAS-BOT-BC536166  Horkelia californica var. elata J. Ewan 1929-9-4 3554 Los Angeles Sawpit Canyon, west of Job's Peak, San Bernardino Mts. 1371 Comment
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Mar 20 2019
  RSA451568  Horkelia cuneata subsp. cuneata Anstruther Davidson 1890-04 s.n. Los Angeles Cahuanga hills, Los Angeles. Comment
  RSA18523  Horkelia cuneata subsp. puberula Carl B. Wolf 1927-7-24 675 Los Angeles 1/2 mile east of Montrose Comment
  SEINET3156790  Horkelia puberula G. B. Grant, W. Wheeler 1904-5-7 599 /6258 Los Angeles Glendora Comment
  UCD170961  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC55480  Hornungia procumbens Le Roy Abrams 1899-4-1 238 Los Angeles Cienega. Comment
  SBBG45067  Hosackia oblongifolia var. oblongifolia V. Duran 1933-7-22 3528 Los Angeles Buckhorn 1981 Comment
  SBBG105563  Hulsea heterochroma T. Ross, S. Boyd 1994-6-23 8042 Los Angeles Sawmill Mtn, Burnt Pk 1664 Comment
  CHSC83676  Hulsea vestita John Dittes; Gina Hall 1990-7-19 256 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Growing along slope above Burkhart Trail, between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  RSA606182  Hymenoclea salsola Leota Brice 1930-5-22 s.n. Los Angeles Palmdale. Comment
  CHSC83979  Hypericum formosum var. scouleri John Dittes 1990-6-20 117 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  POM264729  Hypochaeris glabra L. C. Wheeler 1933-5-30 1749 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  UCR258957  Hypochaeris glabra R. G. Swinney 2010-2-27 11750 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR261338  Hypochaeris glabra R. G. Swinney 2010-4-1 12160 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
  UCD126559  Ipomoea indica T. C. Fuller 1963-6-26 10711 Los Angeles west bank of Topanga Creek just north of Pacific Coast Hwy 101, Topanga Beach. Comment
  CAS-BOT-BC311719  Isocoma menziesii var. vernonioides Herman Knoche 1919-6-28 Series A, No. 955 Los Angeles S. Catalina Island Comment
  RSA356036  Isocoma menziesii var. vernonioides R. F. Thorne 1975-9-3 47378 Los Angeles Santa Catalina Island, Fisherman's Cove Comment
  UC56900  Isomeris arborea Ernest Braunton May 1902 321 Los Angeles Redondo Comment
  SBBG12860  Jaumea carnosa E. R. Blakley 1961-9-23 4722 Los Angeles Ballast Pt Comment
  POM199712  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-06 4585 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  RSA608648  Juglans californica Louis C. Wheeler 1931-3-13 s.n. Los Angeles San Dimas: Puddingstone. Comment
  RSA736201  Juglans californica L. M. Prince, Lucinda McDade, Norm Ellstrand, Pace Lubinsky, Andreas Kaus 2008-8-18 514 Los Angeles San Dimas: Bonelli Park. Swim Beach parking lot 300 Comment
  UC1135933  Juglans californica var. californica A. D. Gifford 1934-4-23 152 Los Angeles 1 mi ne Cornell; Triunfo Pass Quadrangle Comment
  UCR177169  Juglans californica var. californica LeRoy Gross, Valerie Soza 2001-5-31 392 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. 396 Comment
  RSA681907  Juglans regia Scott D. White 2003-6-2 9444 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR230592  Juglans regia Mike Misenhelter 2011-8-9 s.n. Los Angeles San Gabriel Valley, Walnut, along south side of Hwy 60 near Walnut Dr. and east of the Fairway exit, near Royal Vista Golf Course 159 Comment
  UCSB58945  Juncus acutus subsp. leopoldii Mitchell, Don 1991-6-5 Los Angeles Castaic Lagoon-previously recorded location; north shore Comment
  RSA313612  Juncus balticus subsp. ater H. E. Hasse 1892-05 2533 Los Angeles Foothills, Santa Monica Comment
  RSA596745  Juncus bufonius var. bufonius L. C. Wheeler 1966-9-6 8864 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  POM215932  Juncus bufonius var. occidentalis L. C. Wheeler 1934-5-14 2594 Los Angeles Sunny seasonal stream in meadow near mouth San Dimas Canyon, San Gabriel Mtns. 441 Comment
  RSA0116656  Juncus macrophyllus R. G. Swinney 2008-7-2 9127 Los Angeles San Gabriel Mtns.; north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  RSA368263  Juncus macrophyllus C. Epling, A. N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  SD260149  Juncus macrophyllus R. G. Swinney 2011-6-1 14940 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Criso Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy (Chilao Flat 7.5'Q) 1096 Comment
  UCR191279  Juncus macrophyllus R. G. Swinney 1999-6-30 7479 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  JEPS45905  Juncus macrophyllus Joseph Andorfer Ewan 1932-6-12 7371 Los Angeles 1 mi above North Fork Camp; San Gabriel Mts., N. F. Tujunga Creek 975 Comment
  RSA368264  Juncus macrophyllus Geo L. Moxley 1915-7-21 395 Los Angeles 0.5 mi. above trail to Colby's Comment
  RSA628578  Juncus mexicanus L. C. Wheeler 1967-7-23 10164 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Springs, San Andreas Rift Zone. Comment
  UCR125174  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  RSA589346  Juncus rugulosus Orlando Mistretta 1994-3-30 957 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  RSA754210  Juncus xiphioides Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1789 Los Angeles edge of San Dimas Creek along trail next to the gate 454 Comment
  CAS-BOT-BC81004  Juniperus californica Vernon O. Bailey 1907-10-30 s.n. Los Angeles Saugus Comment
  RSA352424  Juniperus californica F. R. Fosberg 1931-11-22 7061 Los Angeles Big Rock Creek 1400 Comment
  UCR184348  Juniperus californica A. C. Sanders 2007-4-19 33457 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA352423  Juniperus occidentalis var. australis B. C. Templeton 1932-10-2 s.n. Los Angeles Mt. Baldy Comment
  SEINET6630412  Justicia brandegeana J. Chandler 1986-12-27 s.n. Los Angeles Whittier Comment
  RSA567316  Keckiella breviflora var. breviflora Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3960 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  CATA799  Keckiella cordifolia Mark L. Hoefs, Robert Given 1991-6-12 1371 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 Comment
  CHSC57928  Keckiella cordifolia Blake A. Rowe 1986-6-30 37 Los Angeles Along Hwy 126 20 km e of Canyon Country. 400 Comment
  RSA401755B  Keckiella cordifolia George R. Johnston 1934-5-20 18837 Los Angeles Descanso Canon, Santa Catalina Island. Comment
  UCD123783  Keckiella cordifolia Earl Brown 1993-5-2 s.n. Los Angeles Santa Monica Mountains, 5.1 miles west of Mulholland Drive from junction with Interstate 405. 548 Comment
  UCR258598  Keckiella cordifolia R. G. Swinney 2010-8-26 13601 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA7481  Keckiella ternata subsp. septentrionalis Carl B. Wolf, B. D. Stark 1933-9-18 5436 Los Angeles 3/4 mi. from the Neenach to Elizabeth Lake Road on the road to Sandbergs. 976 Comment
  RSA733562  Keckiella ternata subsp. ternata R. G. Swinney 1998-8-13 6746 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  SBBG22055  Keckiella ternata subsp. ternata R. F. Thorne 1963-7-11 32771 Los Angeles road to Upper Shake Cmpgrd, ca. 3 mi W of Lake Hughes, Angeles Nat Forest Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  CAS-BOT-BC176829  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
  SEINET10606953  Koeleria macrantha Victor Duran 1933-7-9 Duran 3505 Los Angeles This and a few other grasses, especially Hordeum jubatum, form a sparse cover on the floor of the Pinus jeffreyi forests, Horse Flats, San Gabriel Mountains. 1676 Comment
  RSA720490  Koelreuteria bipinnata R. G. Swinney 1997-9-27 5878 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  POM306345  Lactuca serriola Henry J. Ramsey, Henry J. Ramsey 1937-8-12 1427 Los Angeles Altadena Comment
  POM361388  Lactuca serriola Robert Gustafson 1980-7-9 1817 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA640039  Lactuca serriola Steven A. Junak 1996-10-2 SCI 700 Los Angeles San Clemente Island: Lower portion of Horse Canyon, ca. 2.78 miles SSW of Thirst. 91 Comment
  SBBG61193  Lagophylla ramosissima R. Hoffmann 1927-6-14 Los Angeles Neenach, Antelope Valley Comment
  SJSU2244  Lagunaria patersonia C. W. Sharsmith 1942-9-9 4513 Los Angeles public park opposite Beverly Hills Hotel, Beverly Hills Comment
  UC818677  Lamarckia aurea Agnes Chase Apr 12 1910-Apr 15 1910 5543 Los Angeles Playa del Rey, (upper beach) Playa del Rey Comment
  CAS-BOT-BC338112  Lasthenia californica Geo. B. Grant 1901-1-1 98 Los Angeles Unspecified Comment
  CAS-BOT-BC352713  Lasthenia coronaria C. F. Baker 1909-3-20 5257 Los Angeles Claremont Comment
  CAS-BOT-BC329174  Lasthenia glabrata subsp. coulteri Peter H. Raven 1962-3-27 17003 Los Angeles NE end of Bixby Slough N of Wilmington Comment
  POM6005  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  SBBG32271  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 365 Comment
  SEINET3859917  Lasthenia gracilis R. G. Swinney 2009-4-24 10429 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek Campground.; 0 915 Comment
  UC472255  Lasthenia gracilis C. F. Millspaugh 1920-3-14 4780 Los Angeles Isthmus Cove Santa Catalina Island, Isthmus Cove Comment
  UCR270062  Lasthenia gracilis R. G. Swinney 2011-4-20 14449 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  SBBG31207  Lathyrus tingitanus R. F. Thorne with P. C. Everett 1965-6-22 Los Angeles below rd S of Pebbly Beach near Lookout Pt; apparently escaped from cultivation 30 Comment
  SFV1822  Lathyrus vestitus var. alefeldii H. L. Bauer 1941-5-1 658 Los Angeles San Gabriel Mountains Bouquet Canyon near Del Sur. Comment
  UCSB3100  Lathyrus vestitus var. alefeldii Wedberg, H. 1957-5-9 Los Angeles 2.7 mi. N Hwy. 101, Latigo Canyon Comment
  UC864434  Lathyrus vestitus var. vestitus I. W. Clokey and E. G. Anderson 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  UC864593  Lathyrus vestitus var. vestitus Marcus E. Jones, A. M. 1882-5-2 2688 Los Angeles Pasadena Comment
  RSA1794  Lathyrus vestitus var. vestitus C. F. Baker 1904-5-2 4762 Los Angeles Hills near Claremont Comment
  RSA630308  Layia glandulosa L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA717221  Layia glandulosa Scott D. White, Pam De Vries 2006-5-10 11440 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
  UC30631  Layia glandulosa J. Burtt Davy 1896-5-9 2162 Los Angeles Antelope Valley, Mojave Comment
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Apr 24 2007
  UCR280520  Layia glandulosa R. G. Swinney 2014-4-17 16067 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA497612  Layia glandulosa A. C. Sanders, B. Pitzer, I. G. Lyman 1988-4-4 7768 Los Angeles Mojave Desertr, near Quartz Hill in Lancaster, S of Ave, at 37th Street West 747 Comment
  SBBG96963  Layia platyglossa S. Boyd, T. Ross, L. Araseth 1990-4-8 4303 Los Angeles near Malo Point, first cyn S of Bryce Cyn Comment
  RSA580688  Lemmonia californica Tim S. Ross, Steve D. Boyd 1994-5-25 7883 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  SEINET12327305  Leonotis leonurus Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC221609  Lepechinia fragrans F. Grinnell Jr. 1910-6-11 s.n. Los Angeles Switzers Trail, San Gabriel Mts. 1066 Comment
  RSA300979  Lepechinia fragrans D. C. Michener, Walter Wisura 1982-8-7 4169 Los Angeles San Gabriel Mtns: Northeast-facing ridge between Wolfskill & West Fork of Palmer canyons. 1220 Comment
  RSA715798  Lepidium densiflorum Scott D. White, Andrea Warniment 2006-7-6 11605 Los Angeles Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  UC1076211  Lepidium fremontii H. L. Mason 1930-4-20 5592 Los Angeles Rock Creek Region Mohave Desert Comment
  CAS-BOT-BC89427  Lepidium fremontii David Dreyer 1968-4-6 s.n. Los Angeles Roadside on north edge of San Gabriel Mountains. 1493 Comment
  UCSB18662  Lepidium fremontii Meisenbach, C. 1963-5-3 Los Angeles State Highway 138; 1.7 miles southeast of Victorville junction; west of Pearblossom 1066 Comment
  CDA29739  Lepidium latifolium D. Chang 2009-7-2 PDR# 1450788 Los Angeles In the vicinity of Calabasas: Malibu Creek State Park. 0 Comment
  HSC101304  Lepidium nitidum R. G. Swinney 2009-3-19 10145 Los Angeles San Gabriel Mtns. Foothills; Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ~100 m north of Hwy. 39 230 Comment
  SDSU1174  Lepidium nitidum R. M. Beauchamp 1967-1-28 146 Los Angeles Growing beside road west of Lemon Tank, San Clemente Island. Comment
  RSA669300  Lepidium strictum LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2002-4-27 530 Los Angeles Valley Forge Campgroud, in the West Fork of the San Gabriel river. 1057 Comment
  JEPS37117  Lepidospartum squamatum W. L. Jepson 1940-10-7 20184 Los Angeles Santa Monica, Sepulveda Comment
  OBI8137  Lepidospartum squamatum Lewis Meltz 1977-4-9 LM 21 Los Angeles Eaton Cyn, 3 km E of Eaton cyn. Bridge Comment
  POM361765  Lepidospartum squamatum F. R. Fosberg 1931-1-7 7108 Los Angeles Sierra Madre. 300 Comment
  RSA642693  Lepidospartum squamatum Orlando Mistretta 1992-7-14 712 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC147932  Lepidospartum squamatum C. F. Baker 1908-12-15 5236 Los Angeles Claremont Comment
  UC30200  Leptodactylon californicum W. H. Brewer Feb. 1861 201 Los Angeles San Fernando Plain Comment
  SEINET14160670  Leptosiphon aureus subsp. aureus H. M. Hall 1902-1 3031 Los Angeles Antelope Valley, Rock Creek 1219 Comment
  SD90455  Leptosiphon bicolor Robert F. Thorne 1973-4-12 42960 Los Angeles San Clemente Island; grassy canyon slopes of large canyon south of Mosquito Cove north of Chenity. 334 Comment
  RSA607219  Leptosiphon breviculus L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: South side Devil's Canyon. 1402 Comment
  RSA191187  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1967-7-19 37174 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA135185  Leptosiphon liniflorus P. H. Raven 1960-5-21 15396 Los Angeles Los Angeles. 244 Comment
  RSA608044  Leptosiphon liniflorus L. C. Wheeler 1947-6-13 6519 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon [Los Angeles/San Bernardino counties]. Comment
  UCD118882  Leptosiphon liniflorus Louis C. Wheeler 1967-6-26 9914 Los Angeles San Gabriel Mountains, Placerita Canyon , 0.25 mile east of highway. 457 Comment
  LA81940  Leptosiphon parviflorus O. H. Kappler; 1941-5-9 261 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  RSA563034  Lessingia glandulifera var. glandulifera D. Charlton 1991-5-27 5311 Los Angeles Junction 90th and C St. west of Palmdale and south of Little Rock on road to Edwards AFB 945 Comment
  UC284739  Lessingia glandulifera var. peirsonii P. A. Munz 1923-6-9 6936 Los Angeles near Elizabeth Lake (canyon n of Pine Canyon) 1219 Comment
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Feb 15 2016
  RSA291706  Lewisia rediviva Wayne E. Sawyer 1981-6-16 s.n. Los Angeles Crest Trail between Little Jimmy Spring and Lily Spring, ca. 1 mile E of Little Jimmy Spring, San Gabriel Mountains, Angeles National Forest. Comment
  UC213016  Lewisia rediviva I. M. Johnston 1917-7-3 1412 Los Angeles head of San Antonio Canyon San Antonio Mountains 2438 Comment
  RSA188349  Leymus condensatus R. F. Thorne, M. Z. Thorne 1966-5-31 36440 Los Angeles Santa Catalina Island: bottom of Cottonwood Canyon on Rancho Escondido 107 Comment
  CAS-BOT-BC274469  Leymus triticoides Rev. J. C. Nevin 1904-5-1 s.n. Los Angeles Burbank Comment
  CAS-BOT-BC274480  Leymus triticoides A. D. E. Elmer 1902-6-1 3652 Los Angeles Acton Comment
  IRVC28716  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  CAS-BOT-BC231934  Liliaceae Carl B. Wolf 1932-5-13 s.n. Los Angeles SANTA CATALINA ISLAND, 3 1/2 MI. (BY ROAD) FROM AVALON ON WAY TO ISTHMUS 365 Comment
  RSA226255  Lilium humboldtii subsp. ocellatum Gary D. Cromwell, David W. Wheat 1971-7-1 703 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. 2 miles NE of Glendora. 427 Comment
  RSA682715  Lilium humboldtii subsp. ocellatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1106 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  LA22074  Lilium parryi W. R. Ernst; May 1947 sn Los Angeles Little Cedar Canyon, Crystal Lake Comment
  IRVC28165  Linanthus androsaceus A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26268 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 442 Comment
  RSA585334  Linanthus bigelovii T. S. Ross 1991-4-27 4708 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  LA52338  Linanthus californicus Mary Reynolds; 1937-5-20 185 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA156541  Linanthus californicus L. R. Abrams 1902-7-1 2624 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA199011  Linanthus californicus W. M. Gauntt 1966-4-16 152 Los Angeles Junction of Glendora Mountain Road and San Gabriel Canyon Road. 915 Comment
  RSA60246  Linanthus californicus E. K. Balls 1950-3-28 14451 Los Angeles 12 miles south of Castaic, hwy 99. 335 Comment
  CDA40054  Linanthus californicus T. C. Fuller 1965-4-26 13376 Los Angeles East slope of Saddle Peak, Tuna Canyon Road above Fernwood Pacific Drive, 2.7 miles west of Topanga. 0 Comment
  RSA0095265  Linanthus californicus subsp. glandulosus J. S. Burns 1992-5-11 10 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest. 762 Comment
  UCR113676  Linanthus ciliatus L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns., Chilao Creek headwaters 1799 Comment
  RSA695503  Linanthus concinnus Valerie L. Soza, Sarah J. De Groot 2003-6-18 1687 Los Angeles Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  UCR43559  Linanthus dianthiflorus subsp. dianthiflorus B. A. Prigge 1986-3-19 6933 Los Angeles Western Transverse Range; Santa Monica Mtns., 0.3 mi west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  UCR150873  Linanthus dichotomus R. G. Swinney 1998-4-14 5973 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  POM364614  Linanthus dichotomus subsp. dichotomus Ora M. Clark 1929-3-30 1951 Los Angeles Antelope Valley, Mojave Desert, w. Lancaster Comment
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Apr 10 2012
  RSA594955  Linanthus parryae T. S. Ross 1995-4-26 8395 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft). 1204 Comment
  RSA777918  Linanthus parryae R. G. Swinney 2009-5-6 10674 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA710808  Linanthus parryae LeRoy Gross 2005-5-3 2200 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA330790  Linanthus pungens Wayen E. Sawyer 1981-6-11 18 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Hwy. 2 between Dawson Saddle and juction of CA Hwy. 39, 1.6 mi. from Dawson Saddle 2302 Comment
  RSA661011  Linaria canadensis var. texana Orlando Mistretta 1992-4-5 151 Los Angeles Guds, San Clemente Island. Comment
  RSA603399  Linum usitatissimum Louis C. Wheeler 1975-5-13 s.n. Los Angeles Rio Hondo: ca. 1/4 mile N of San Gabriel Blvd. Comment
  LA33627  Lithophragma affine Henry J. Thompson; 1959-4-19 1943 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UC858884  Lithophragma affine Marcus E. Jones, A. M. 1882-5-3 3223 Los Angeles Pasadena Comment
  UCR200040  Lithophragma affine subsp. mixtum Valerie Soza, B. Hogshead 2003-4-23 1643 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  SBBG125215  Lithophragma bolanderi A. Parikh, N. Gale 2010-6-23 3361 Los Angeles Upper Shortcut Cyn, 1.4 km S of St Hwy 2, 1.3 km NNW of W Fork San Gabriel River 1275 Comment
  SD64125  Lithophragma heterophyllum W. Bertsch 1953-4-27 86 Los Angeles Little Dalton Canyon 366 Comment
  UCSB2568  Lithophragma heterophyllum Olsen, Meryl 1954-5-26 Los Angeles South slope of Little Dalton Canyon, San Gabriel Mts 548 Comment
  SFV17999  Lobelia dunnii var. serrata J. N. Hogue, J. D. Dilley 1999-8-11 148 .1 Los Angeles Verdugo Mountains La Tuna Canyon, along tributary on south side of canyon. 550 Comment
  RSA657152  Lobularia maritima Joseph M. Keefe 2001-1-19 31007 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 Comment
  JEPS76500  Loeflingia squarrosa var. artemisiarum L. R. Heckard with Maynard Moe 1977-4-2 4556 Los Angeles s tip of Rogers Dry Lake about 1/2 mi e lake bed; Edwards Air Force Base, Rogers Dry Lake 728 Comment
  RSA586648  Loeseliastrum matthewsii Orlando Mistretta 1995-6-1 1758 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  RSA77065  Loeseliastrum matthewsii F. W. Peirson 1917-5-13 2830 Los Angeles West of Little Rock. Comment
  SBBG117020  Logfia arizonica S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1513 Los Angeles ridgetop on N side of Middle Ranch Cyn 426 Comment
  CAS-BOT-BC342186  Logfia filaginoides Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  UCR271873  Logfia filaginoides R. G. Swinney 2010-3-24 12058 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA187921  Lolium perenne subsp. multiflorum R. F. Thorne 1966-6-1 36467 Los Angeles Pebbly Beach terminal, Santa Catalina Island. 6 Comment
  RSA601341  Lomatium californicum Steve Boyd, Lauren Raz 1997-6-17 9952 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A., Near 34 deg 41' 08.8''N 118 deg 34' 47.7''W. 1646 Comment
  SEINET12118775  Lomatium caruifolium Unknown 1936-1 12723 Los Angeles Santa Monica Mts., Mt. Malabu Comment
  RSA670042  Lomatium dasycarpum D. Yost 1967-4-15 s.n. Los Angeles Malibu 152 Comment
  RSA785653  Lomatium lucidum K. Dobry 1992-2-16 1048 Los Angeles West Santa Monica Mts. 5 mil No of Pacific Coast Hwy. along E. Arroyo Sequit at Camp Shalom Comment
  RSA600035  Lomatium mohavense subsp. longilobum Steve Boyd, Lauren Raz 1997-3-25 9255 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  UCR186968  Lomatium utriculatum A. C. Sanders 2006-4-10 32011 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  LA200348  Lonicera subspicata var. denudata Michael Neuman; November 1983 6 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon Comment
  RSA455357  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 8943 Los Angeles Near Mulholland Drive. North of Hollywood. Comment
  UC889632  Lonicera subspicata var. denudata Louis C. Wheeler 1932-6-16 830 Los Angeles 2 mi ne La Verne (Liveoak Wash) 403 Comment
  UCR212780  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittington 2006-9-28 NFWF- 1766 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel River watershed, Sycamore Canyon, [along Sycamore Canyon Road, north of San Dimas Canyon Park], on a horse trail 120 Comment
  UCR13467  Lotus argophyllus subsp. ornithopus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA535695  Lotus argophyllus subsp. ornithopus T. S. Ross 1991-5-22 5454 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  UC1184981  Lotus argophyllus var. argenteus Huron H. Smith 1912-5-29 5020 Los Angeles Summit Road Santa Catalina Island 365 Comment
  UC207651  Lotus argophyllus var. argenteus Geo. B. Grant Apr 1901 715 Los Angeles Avalon Catalina Island Comment
  RSA0073117  Lotus argophyllus var. argenteus Mark L. Hoefs, Robert Given 1992-4-16 1809 Los Angeles Santa Catalina Island: Wild Boar Gully. 152 Comment
  RSA90351  Lotus crassifolius var. crassifolius F. W. Peirson 1919-5-18 103 Los Angeles divide between fish canyon and Monrovia canyons 976 Comment
  RSA0056487  Lotus grandiflorus var. grandiflorus Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  RSA188217  Lotus hamatus R. F. Thorne, Percy C. Everett 1965-6-23 34975 Los Angeles Santa Catalina Island: Hay Press Reservoir. 412 Comment
  RSA624990  Lotus heermannii var. heermannii L. C. Wheeler 1963-5-5 8255 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR187232  Lotus humistratus A. C. Sanders 2006-4-25 32189 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR209901  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA406199  Lotus nevadensis var. davidsonii F. R. Fosberg 1931-8-12 5025 Los Angeles Buckhorn trail, N slope Mt. Islip 2195 Comment
  JEPS55557  Lotus oblongifolius var. oblongifolius Frank W. Peirson 1918-5-21 100 Los Angeles Arroyo Seco San Gabriel Mountains 487 Comment
  UC1922168  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon Near 34deg 13' 36.7'' N 118deg 20' 9.2'' W T2N R14W NE/4, SW/4 sec. 27. Elev. 1600 Feet. Comment
  RSA681270  Lotus salsuginosus Scott D. White 2003-6-2 9446 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR280503  Lotus salsuginosus R. G. Swinney 2014-5-13 16492 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
  UC535550  Lotus scoparius Ira W. Clokey, B. Templeton May 1929 4480 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  UCR177568  Lotus scoparius var. brevialatus LeRoy Gross 2005-5-3 2251 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA406836  Lotus scoparius var. scoparius M. Bisbee 1917-5-1 s.n. Los Angeles North side of Eagle Rock Valley Comment
  RSA654085  Lotus scoparius var. scoparius Valerie L. Soza, Laura Moore 2000-5-10 829 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines. 594 Comment
  RSA167093  Lotus strigosus W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Park Comment
  UC1871086  Lotus strigosus T. S. Ross, Walter Appleby 1993-5-13 7133 Los Angeles Transverse Ranges; San Gabriel Mountains region; Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 NE/4 NE/4 sect. 9; ca 2980 feet elevation. 908 Comment
  RSA748348  Lotus strigosus var. strigosus Justin M. Wood 2009-6-1 788 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  RSA498712  Lotus strigosus var. strigosus Helen M. Oster 1924-4-30 s.n. Los Angeles Foothills N. of Vermont Ave. Comment
  RSA594991  Lotus unifoliolatus Mark Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2497 Los Angeles Santa Catalina Island, Upper Bulrush Reservoir. 293 Comment
  POM2491  Lotus unifoliolatus C. S. Jones s.n. Los Angeles Claremont. 366 Comment
  RSA608935  Lotus unifoliolatus L. C. Wheeler 1931-5-8 s.n. Los Angeles Base of San Gabriel Mountains at Claremont: Thompson Creek Dam. Comment
  UC1481355  Lupinus albifrons David B. Dunn 1957-5-18 RSA- 6450 Los Angeles Comment
  SD31195  Lupinus albifrons var. albifrons Edith A. Purer 1931-4-28 1755 Los Angeles Palos Verdes Hills. Along roadside. Comment
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Mar 15 2016
  CATA1200  Lupinus bicolor Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2232 Los Angeles Santa Catalina Island: By Cape Canyon Road, middle of Cape Canyon 323 Comment
  CATA3033  Lupinus bicolor Amy Catalano 2016-3-17 040 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road 324 Comment
  SBBG71252  Lupinus bicolor R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UCR265511  Lupinus bicolor Dan S. Cooper 2015-3-3 315- 14 Los Angeles Los Angeles Basin/Western Transverse Range, open space just west of Griffith Park, reached from end of Primera Ave. 305 Comment
  RSA655740  Lupinus bicolor James Henrickson 2000-4-15 20694 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; in open grazed ridge along along Whitney Canyon Road 610 Comment
  SFV1867  Lupinus bicolor Lawler 1958-5-10 s. n. Los Angeles Mojave Desert Along side of Highway 138 about 18 miles west of Lancaster. 823 Comment
  SFV4365  Lupinus bicolor D. B. Dunn 1941-3-29 959 Los Angeles Hays Street and Via Acosta near Garfield Blvd. and the oil wells. Comment
  SBBG118138  Lupinus bicolor subsp. microphyllus F. R. Fosberg 1931-3-29 4377 Los Angeles Hamilton Cyn, near Avalon 100 Comment
  RSA474238  Lupinus chamissonis Jack Rempel 1932-4-24 15243 Los Angeles El Segundo. Comment
  RSA590869  Lupinus concinnus Orlando Mistretta 1994-4-12 994 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 976 Comment
  RSA772298  Lupinus concinnus R. G. Swinney 2009-4-28 10532 Los Angeles summit of Mt. Emma. 1585 Comment
  SBBG69026  Lupinus concinnus R. Hoffmann 1929-5-31 Los Angeles Pine Cyn Comment
  UCR281352  Lupinus concinnus R. G. Swinney 2014-4-24 16237 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
  RSA518015  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1986-3-31 1551 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA585322  Lupinus concinnus subsp. concinnus Tim S. Ross 1991-4-27 4730 Los Angeles Black Butte: rocky northeasterly slope E of the summit. 945 Comment
  CAS-BOT-BC205147  Lupinus elatus John Thomas Howell 1947-7-18 23386 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA199043  Lupinus excubitus var. hallii W. M. Gauntt 1966-4-30 129 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  RSA199044  Lupinus excubitus var. hallii W. M. Gauntt 1966-4-30 170 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  CAS-BOT-BC216549  Lupinus excubitus var. johnstonii Carl B. Wolf 1935-5-6 6732 Los Angeles 2.4 miles SE of Gorman on New Ridge Route Road, Liebre Mountains 1097 Comment
  SBBG3604  Lupinus formosus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  POM11095  Lupinus formosus var. formosus H. D. Collins 1921-4-22 35 Los Angeles Claremont. 366 Comment
  RSA414782  Lupinus formosus var. formosus James Clizbe 1930-5-6 16055 Los Angeles Griffith Park, Los Angeles. Comment
  RSA519413  Lupinus formosus var. formosus Anstruther Davidson 1892-05 s.n. Los Angeles Glendale. Comment
  UC1587723  Lupinus guadalupensis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5149 Los Angeles beginning of Larkspur Canyon drainage San Clemente Island (1600 ft se of the 924' BM at the e end of the old airfield landing strip); , beginning Larkspur Canyon drainage 249 Comment
  UCD107946  Lupinus hirsutissimus Lionel A. Stange 1956-4-7 s.n. Los Angeles San Francisquito Canyon. Comment
  UCR55914  Lupinus hirsutissimus J. A. Adams 1965-3-19 75 Los Angeles Foothills of San Gabriel Mtns., Claremont, Thompson's Wash, north end of Indian Hill Blvd. 427 Comment
  UC284194  Lupinus hyacinthinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout Valley; San Gabriel Mts., Swartout Valley 2590 Comment
  RSA0077377  Lupinus hyacinthinus Orlando Mistretta 1994-6-15 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Canyon Section. 1158 Comment
  POM9530  Lupinus latifolius Philip A. Munz, R. D. Harwood 1920-5-17 3996 Los Angeles Topango [Topanga] Canon, Santa Monica Mtns 152 Comment
  RSA639709  Lupinus latifolius subsp. parishii L. C. Wheeler 1968-6-14 s.n. Los Angeles Spring on north side of Blue Ridge by Guffy camp. Comment
  LA205138  Lupinus latifolius var. parishii Louis Wheeler; 1932-4-29 662 Los Angeles 2 mi. NE of La Verne 373 Comment
  CAS-BOT-BC211720  Lupinus longifolius Louis C. Wheeler 1936-6-8 4126 Los Angeles Bell-San Dimas Canyon divide, San Gabriel Mts. 960 Comment
  LA200479  Lupinus longifolius Norman A. Cole; May 1964 360 Los Angeles Santa Monica Mountains, 6.3 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  SBBG114165  Lupinus microcarpus var. microcarpus R. Riggins 1981-5-24 1232 Los Angeles Peace Valley Rd (frontage to Interstate 5) 0.5 mi S Frazier Mtn Park Rd, 2 mi N Gorman Comment
  RSA104354  Lupinus peirsonii H. L. Mason 1926-4-27 3026 Los Angeles Rock Creek Canyon, lower Pinyon Pine belt 1296 Comment
  RSA642098  Lupinus peirsonii Orlando Mistretta 1994-9-22 1499 Los Angeles San Gabriel Mountains: Vicinity of Devils Punchbowl. Ridge east of Caruther's Creek, on east side of ridge 1767 Comment
  RSA86954  Lupinus ruber F. W. Peirson 1921-5-18 2428 Los Angeles Palmdale, Antelope Valley Comment
  OBI48717  Lupinus sparsiflorus Joseph Andorfer Ewan April1933 10909 Los Angeles Higgins cyn, Santa Monica Mts 457 Comment
  SFV7993  Lupinus sparsiflorus T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1359 Los Angeles San Gabriel Mountains On hillside adjacent to lower Trail Canyon. 793 Comment
  UCR191286  Lupinus sparsiflorus T. B. Salvato 2008-4-22 3301 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 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
  UCR13474  Lupinus succulentus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  SD30041  Lupinus superbus Paul O. Schallert 1943-5-9 Los Angeles Monrovia. Mt. Canyon Comment
  SEINET2062687 Image available Lupinus truncatus Norman C. Cooper 1948-4-21 2713 Los Angeles Saugus, Los Angeles Area 762 Comment
  UCR281288  Lupinus truncatus R. G. Swinney 2014-5-8 16470 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
  RSA535731  Lupinus truncatus Tim S. Ross 1991-5-23 5479 Los Angeles San Clemente Island: mouth of Tota Canyon, middle of island, eastern escarpment. 5 Comment
  RSA749656  Luzula comosa var. laxa R. G. Swinney 2001-9-15 8176 Los Angeles Little Jimmy Spring 2256 Comment
  RSA587758  Lycium andersonii Tim S. Ross 1991-4-27 4705 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  POM243819  Lycium californicum F. R. Fosberg 1931-5-16 720 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA428832  Lycium californicum Anstruther Davidson 1891-3-29 s.n. Los Angeles Redondo Beach Comment
  SBBG31358  Lycium californicum R. F. Thorne with P. C. Everett 1965-5-11 34648 Los Angeles rd from Rancho Escondido above Cottonwood Dam in Cottonwood Cyn 106 Comment
  RSA0085526  Lycium californicum Meryl B. Dunkle 1939-4-7 7328 Los Angeles Pyramid Cove, San Clemente Island. Comment
  UCSB18260  Lycium cooperi Bogardus, B. 1964-5-8 Los Angeles State Highway 138, 4.5 miles NW of Los Angeles; San Bernardino County Line 1219 Comment
  SD69674  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1966-4-29 36320 Los Angeles Santa Catalina Island: grove of trees in ravine below road to White's Landing above turn-off to Echo Lake 404 Comment
  UC57404  Madia elegans J. H. Barber 1897-7-11 259 Los Angeles summit Mt. Gleason Comment
  CAS-BOT-BC344375  Madia exigua John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  POM308947  Madia exigua Kay H. Beach 1940-5-14 615 Los Angeles Trail to Cattle Canyon, San Dimas Experimental Forest, U.S. Forest Dept. Comment
  SBBG95387  Madia gracilis M. B. Dunkle 1928-5-13 1944 Los Angeles Coach Rd 243 Comment
  UC1069907  Madia gracilis Jerome S. Horton 1937-6-14 470 Los Angeles trail to Flumes 4 and 5 (San Dimas Canyon); Pomona Quad., San Dimas Canyon Comment
  NY24342  Mahonia nevinii A. M. Ottley 1920-4-30 522 Los Angeles Arroyo Seco, Pasadena 335.3 Comment
  RSA229101  Maianthemum stellatum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38890 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle 2332 Comment
  SBBG96750  Malacothamnus clementinus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4279 Los Angeles lower half of China Cyn 182 Comment
  RSA643395  Malacothamnus davidsonii Orlando Mistretta 1992-9-16 814 Los Angeles San Gabriel Mountains: Oak Springs Trail at south trail head. 579 Comment
  CAS-BOT-BC206359  Malacothamnus fremontii Carl B. Wolf 1932-8-11 4005 Los Angeles No. slope of San Gabriel Mts. 8 mi. below Big Pines Park on road to Little Rock 1371 Comment
  UCR229160  Malacothrix californica Dan S. Cooper 2011-5-5 511- 52 Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  UC166690  Malacothrix clevelandii unknown 1906-6-10 Los Angeles Mt. Lowe San Gabriel Mts., Mt. Lowe Comment
  RSA151259  Malacothrix foliosa P. H. Raven 1962-7-12 18026 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  RSA545196  Malacothrix foliosa Timothy S. Ross 1992-4-14 6175 Los Angeles San Clemente Island, central E side of island; coastal bluff on E escarpment ca 20 m S of where Nanny Cyn drainage meets the sea 18 Comment
  CAS-BOT-BC520317  Malacothrix glabrata R. G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25--0.7 mi E of Pacoima Wash 609 Comment
  RSA660176  Malacothrix glabrata Orlando Mistretta 1992-5-25 447 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  UCR231389  Malacothrix saxatilis Dan S. Cooper 2011-10-5 1011- 124 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 231 Comment
  CAS-BOT-BC347860  Malacothrix saxatilis var. implicata L. R. Abrams; I. L. Wiggins 1931-7-3 286 Los Angeles Channel Islands. Santa Barbara Island Comment
  CAS-BOT-BC347946  Malacothrix saxatilis var. tenuifolia John I. Carlson 1918-5-10 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  CAS-BOT-BC347935  Malacothrix saxatilis var. tenuifolia L. E. Cox 1908-3-28 s.n. Los Angeles Catalina Island Comment
  RSA486473  Malosma laurina Richard Noyes 1988-7-30 597 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  CAS-BOT-BC206648  Malva assurgentiflora E. R. Blakley 1961-9-23 4739 Los Angeles Bird Rock 1/2 mile offshore from Isthmus Harbor - San Clemente Island 6 Comment
Read comments
Jul 20 2018
  SD186253  Malva pseudolavatera A. C. Sanders, Lee Jones 2005-4-8 29347 Los Angeles Palos Verdes Peninsual, old Marineland site on Long Point. 2 Comment
  CATA495  Marah macrocarpa Sara L. Crockett 1997-4-1 637 Los Angeles Santa Catalina Island: Offshoot canyon from Middle Canyon, 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road 315 Comment
  RSA0089153  Marah macrocarpa R. G. Swinney 2010-3-24 12073 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA580954  Marah macrocarpa Catherine A. Mish 1995-2-17 1 Los Angeles Santa Monica Mtns, Hollywood Reservoir 250 Comment
  UCSB52719  Marah macrocarpa Boutin, F. 1967-4-23 Los Angeles San Clemente Island; E side of island, Lemon Tank, a dump site 304 Comment
  POM113969  Marah macrocarpa Marcus E. Jones 1926-9-3 s.n. Los Angeles San Clemente Island Comment
  RSA441008  Marah macrocarpa var. major F. H. Elmore 1939-2-19 422 Los Angeles San Clemente Island. Comment
  CATA1078  Marrubium vulgare Mark L. Hoefs 1995-5-16 2028 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SBBG31367  Marrubium vulgare R. F. Thorne with P. C. Everett 1965-5-10 34428 Los Angeles Cape Cyn 274 Comment
  UCSB10244  Matricaria discoidea Wedberg, H. 1958-4-13 Los Angeles U.C.L.A. campus above virarium Comment
  POM222458  Medicago lupulina L. C. Wheeler 1936-6-12 4154 Los Angeles Monroe Canyon. 549 Comment
  SD181510  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Coastal Plains and Basins, San Fernando Valley Basin region, City of Sunland. Bluff south side of Big Tujunga Wash, weed in yard in housing tract called 'Sunhill Estates', growing out of crushed ornamental rock, in sunny open area. 366 Comment
  UC1211007  Medicago polymorpha Huron H. Smith 1912-5-1 4884 Los Angeles Eagle Rock Valley 152 Comment
  SEINET12190919  Melaleuca W. R. Hamilton 1901-1 s.n. Los Angeles Long Beach Comment
  RSA0060811  Melica imperfecta LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6971 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  SBBG56873  Melica imperfecta R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC818865  Melica imperfecta F. R. Fosberg 1931-3-31 S 4430 Los Angeles Avalon; Santa Catalina Island 8 Comment
  SEINET10605878  Melica imperfecta var. refracta Meryle B. Dunkle 1940-3-20 Dunkle 7438 Los Angeles Second canyon south, in shaded canyon bottom, Santa Barbara Island. Comment
  UCR258836  Melilotus indicus R. G. Swinney 2010-3-22 12029 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  HSC15024  Melilotus indicus C. S. Apperson 1967-6-3 Los Angeles 4 mi. from Gorman on Hwy. 138 Comment
  UCR252752  Mentha X rotundifolia R. G. Swinney 2010-9-1 13656 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  SEINET11123698  Mentha aquatica Unknown 2009-8-6 11536 Los Angeles Los Angeles County Comment
  SBBG49901  Mentzelia albicaulis L. S. Matlovsky 1975-3-28 DM 0011 -16 Los Angeles near Butte Valley Wild Flower Sanctuary Comment
  RSA608364  Mentzelia congesta Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  UCR146476  Mentzelia dispersa Orlando Mistretta 1992-6-12 559 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  RSA440460  Mentzelia laevicaulis Albert J. Perkins 1915-10-8 s.n. Los Angeles East Fork San Gabriel River. Comment
  RSA0034481  Mentzelia lindleyi Elwood Fordham 1951-4-5 s.n. Los Angeles Winetka Ave. 1/2 mile N. of Ventura Blvd. near Pierce College. Comment
  RSA225723  Mentzelia micrantha Robert F. Thorne, M. Z. Thorne 1971-5-22 39706 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA776397  Mentzelia micrantha Orlando Mistretta, Christine Mistretta 2010-6-23 5343 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  UCR146224  Mentzelia micrantha Valerie Soza, Steve Boyd 2002-4-10 1390 Los Angeles Transerve Ranges, Liebre Mountains region, Ridge above E fork of Haskell Canyon, ridge just west of Del Sur Ridge; c. 1.8-2 mi NW along Coarse Gold Canyon fire road from Bouquet Canyon; Stables Fire 2001 area 655 Comment
  SD38194  Mentzelia micrantha Edith A. Purer 1935-5-11 6569 Los Angeles Along the Malibou Road, Santa Monica Mountains. Comment
  RSA596172  Mentzelia montana Louis C. Wheeler 1967-5-12 9424 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UC19590  Mentzelia montana H. M. Hall 1899-6-22 1378 Los Angeles San Antonio Mountains, Schwartout Canyon 1981 Comment
  RSA282495  Mentzelia ravenii H. J. Thompson 1960-4-10 3044 Los Angeles 3.9 miles SE of Pearblossom on road to Valyermo. Mojave Desert. 1067 Comment
  RSA774279  Mentzelia veatchiana R. G. Swinney 2009-6-17 11181 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CAS-BOT-BC167613  Mentzelia veatchiana Ernest Braunton 1902-4-29 219 Los Angeles W. Pomona Comment
  SEINET6944406  Mentzelia veatchiana W. P. Vestal, A. G. Vestal 1956-3-26 3480 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  SFV12658  Mesembryanthemum crystallinum M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 901 Los Angeles Malibu, near Malibu Creek just above Pacific Coast Highway bridge. 3 Comment
  UCR189271  Microseris lindleyi R. G. Swinney 1998-5-16 6083 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  LA200856  Mimulus aurantiacus Sharon Johnston; 1957-4-30 48 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr, 1.5 mi W of Beverly Glen Blvd. 365 Comment
  POM29  Mimulus aurantiacus C. F. Baker 1909-5-15 5320 Los Angeles San Antonio Canyon, Claremont. Comment
  OBI69264  Mimulus aurantiacus var. aurantiacus John Knapp, Denise Knapp 2003-4-13 30 Los Angeles Catalina Island Comment
  HSC49069  Mimulus aurantiacus var. pubescens Patricia Shesgreen 1978-6-17 107 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  RSA442661  Mimulus aurantiacus var. pubescens A. Menke 1955-4-23 s.n. Los Angeles San Francisquito Canyon. Comment
  UCR255821  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-4 12505 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  POM183625  Mimulus aurantiacus var. pubescens J. Ewan 1929-5-18 3418 Los Angeles 1 mile above mouth of Los Flores Canyon. 84 Comment
  SFV22152  Mimulus aurantiacus var. puniceus K. R. Rivas 2012-4-6 s. n. Los Angeles Santa Susana Mountains Limekiln Canyon. 350 Comment
  RSA408116  Mimulus brevipes Donald R. Bissing 1973-6-2 107 Los Angeles Evey Canyon, San Gabriel Mountains. NE canyon wall 1.3 mile from mouth of canyon. 976 Comment
  RSA725894  Mimulus brevipes A. C. Sanders 2003-5-1 26245 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  UCR273199  Mimulus brevipes R. G. Swinney 2011-4-26 14469 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR277147  Mimulus brevipes R. G. Swinney 2011-6-15 15206 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  RSA659874  Mimulus cardinalis Orlando Mistretta 1992-8-20 779 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  RSA669332  Mimulus cardinalis LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 556 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  RSA729761  Mimulus cardinalis R. G. Swinney 1998-8-6 6707 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  UCR256446  Mimulus cardinalis R. G. Swinney 2010-9-9 13763 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
  POM156321  Mimulus cardinalis L. R. Abrams 1902-7-1 2616 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA420671  Mimulus cardinalis Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UCR154195  Mimulus floribundus A. C. Sanders, T. B. Salvato 2005-5-24 30247 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
  RSA727245  Mimulus fremontii R. G. Swinney 1998-6-12 6191 Los Angeles NW of Jackson Lake at Ball Flat, 0.3 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  SFV21882  Mimulus fremontii L. L. Zung 2011-5-17 8 Los Angeles San Gabriel Mountains Juniper Hills. 1280 Comment
  UCR159945  Mimulus fremontii L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns./Mojave Desert, [0.5 mi. SE of Valerymo] 1159 Comment
  SEINET7047931  Mimulus fremontii Steven R. Hill, Kate Kramer 2001-4-22 33386 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  SBBG96964  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4304 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UC1971320  Mimulus guttatus Louis C. Wheeler 1967-5-23 9671 Los Angeles SAN GABRIEL MOUNTAINS: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR192924  Mimulus guttatus Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, lower Brush Canyon, Los Angeles 200 Comment
  JEPS4687  Mimulus johnstonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4202 Los Angeles along Forest Service road following crest Mendenhall Ridge (12.0 mi e of its start at paved road between Little Tujunga and Pacoima canyons); Angeles National Forest 1645 Comment
  CSUSB911  Mimulus longiflorus R. D. Keys 1973-5-6 Los Angeles San Gabriel Canyon Road, 3.0 miles above junction with East Fork Road; 10 feet above road on cut slope. 609 Comment
  RSA585930  Mimulus palmeri Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2937 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barley Flats). 1213 Comment
  RSA659873  Mimulus pilosus Orlando Mistretta 1992-8-20 780 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  RSA589066  Mimulus pilosus Orlando Mistretta 1994-6-6 1330 Los Angeles San Gabriel Mountains: Little Rock Creek, Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3 1220 Comment
  POM19082  Mimulus rubellus P. A. Munz 1923-5-26 6843 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA80487  Mimulus rubellus F. W. Peirson 1923-5-26 3527 Los Angeles Above Rock Creek Divide, north side of San Gabriel Mountains. 2073 Comment
  RSA727342  Minuartia douglasii R. G. Swinney 1998-5-16 6068 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA585333  Mirabilis bigelovii var. retrorsa Tim S. Ross 1991-4-27 4702 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  CHSC1080  Mirabilis californica 1940-4-13 Los Angeles Spreading Grounds above Claremont. 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
  SEINET3245862  Mirabilis laevis R. G. Swinney 2009-1 10164 Los Angeles San Gabriel Mtns. Foothils: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park. 296 Comment
  RSA464641  Mirabilis laevis var. crassifolia F. R. Fosberg 1931-3-18 S 4293 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  UC7635  Mirabilis laevis var. crassifolia Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  RSA157801  Mirabilis laevis var. crassifolia Peter H. Raven 1962-5-9 17655 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  CAS-BOT-BC215662  Monardella australis subsp. australis R. F. Thorne; C. W. Tilforth; J. Dourley; R. Scoggin 1972-8-11 42203 Los Angeles Along Angeles Crest Hwy. near Three Points, San Gabriel Mts., Angeles National Forest 1828 Comment
  RSA580350  Monardella viridis subsp. saxicola Louis C. Wheeler 1936-6-21 4166 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  UCR184103  Monolopia lanceolata A. C. Sanders 2007-4-13 33410 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  CAS-BOT-BC520322  Montia fontana R. G. Swinney 2011-6-23 15280 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek, 100--200 m S of Chilao Station 1569 Comment
  SBBG125896  Morus alba A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36950 Los Angeles Baldwin Park, San Gabriel River channel S of Ramona Blvd and N of I-10 Fwy 87 Comment
  CAS-BOT-BC108994  Mucronea californica Geo. B. Grant 1904-5-14 6220 Los Angeles Play del Rey. Comment
  POM122119  Mucronea californica Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  CATA1863  Muhlenbergia microsperma Denise Kraus, Lisa Stratton 2000-6-1 43 Los Angeles Santa Catalina Island: Outside Goat Harbor burn area. On ridge just above Little Gibraltar, approximately 0.13 mile from it 91 Comment
  SBBG131950  Muhlenbergia microsperma S. A. Junak 2000-5-18 SCa 1296 Los Angeles W side of 4th of July Cove, 0.1 mi from turnoff to camp 36 Comment
  SBBG96687  Muhlenbergia microsperma S. Boyd with T. Ross, L. Arnseth 1990-4-7 4195 Los Angeles upper reaches of China Cyn Comment
  RSA332891  Muhlenbergia richardsonis Wayne E. Sawyer 1981-6-29 72 Los Angeles Angeles National Forest: CA Hwy 2 between Dawson Saddle and junction of Hwy 39, 2.75 miles from Dawson Saddle 2241 Comment
  RSA608038  Muhlenbergia rigens L. C. Wheeler 1947-7-11 6543 Los Angeles San Gabriel Mountains: Millard Canyon. 412 Comment
  UCR184225  Muhlenbergia rigens A. C. Sanders 2007-4-19 33445 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA0085092  Muilla maritima R. G. Swinney 2010-4-1 12167 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA590611  Muilla maritima Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2949 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
  CAS-BOT-BC514192  Muilla maritima G. B. Grant 1901-3-24 3645 Los Angeles Eaton Wash Comment
  UCR97787  Myoporum laetum Scott D. White 1997-3-12 4729 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SBBG97030  Myriopteris newberryi S. Boyd with T. Ross, L. Arnseth 1990-4-8 4413 Los Angeles Bryce Cyn near Malo Pt Comment
  JEPS1377  Nama demissa var. demissa Frank W. Peirson 1921-5-19 2415 Los Angeles Little Rock Creek , Little Rock Creek (San Gabriel Mountains) 1036 Comment
  SBBG45748  Nama densa Leota Davidson 1965-5-9 161 Los Angeles ca. 6-10 mi E of Littlerock Comment
  SFV21401  Nassella cernua L. Gross, N. Fraga, B. Hogshead 2002-3-21 494 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
  SBBG108153  Nassella pulchra S. L. Crockett, M. L. Hoefs, S. A. Junak, J. Takara 1997-3-28 620 Los Angeles end of Cat Harbor Rd, NE side of Cat Harbor 74 Comment
  CAS-BOT-BC65017  Nasturtium gambelii W. S. Lyon 1885-4-1 s.n. Los Angeles Cienaga near Santa Monica. Comment
  RSA550402  Nasturtium officinale Timothy S. Ross, Peter Fritsch 1990-6-20 3597 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  POM122080  Nemacaulis denudata var. denudata Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA65001  Nemacaulis denudata var. denudata F. W. Peirson 1951-8-18 1781 Los Angeles Alamitos, Long Beach Comment
  JEPS5226  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  UCR206119  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8927 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA611519  Nemacladus sigmoideus L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  SEINET10906109  Nemacladus sigmoideus Thorne 1973-5-11 THORNE 43469 Los Angeles San Gabriel Mts., Mojave Desert Slope: 0.25-0.50 mile north of Bob's Gap, north slope of Holcomb Ridge, ca 2.5 miles due south of Llano 1158 Comment
  POM3465  Nemophila menziesii var. integrifolia Alice Eastwood 1904-4-22 4182 Los Angeles Monrovia. Comment
  RSA421375  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-4-16 635 Los Angeles W fork Santa Anita Canyon. 762 Comment
  RSA588054  Nemophila menziesii var. menziesii Orlando Mistretta 1994-4-15 1048 Los Angeles Santiago canyon: W slopes of drainage near confluence with Little Rock Creek. 1113 Comment
  RSA597821  Nemophila menziesii var. menziesii Louis C. Wheeler 1969-4-20 s.n. Los Angeles Mt. Emma Road just north of National Forest Boundary; ridge east of Hunt Canyon. Comment
  RSA608634  Nemophila menziesii var. menziesii Louis C. Wheeler 1931-3-19 s.n. Los Angeles Pomona: Ganesha Heights. Comment
Read comments
Feb 16 2007
  UCR172464  Nemophila parviflora var. quercifolia Anuja Parikh, Nathan Gale 2005-4-13 2101 Los Angeles NE end of Santa Susana Mtns., Long Canyon, Newhall Ranch, Study Area 31 335 Comment
  UCR281291  Nerium oleander R. G. Swinney 2014-5-8 16467 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  CATA1804  Nicotiana glauca Benjamin E. Carter 2012-8-23 6988 Los Angeles Santa Catalina Island: Airport Road, ca. 1/4mi north of Middle Ranch Road 405 Comment
  RSA0035191  Nicotiana glauca Geraldine Dodd 1992-5-16 5 Los Angeles 0.5 mile north of corner of Mira Monte Ave. and Mt. Wilson Trail Dr. in Sierra Madre, San Gabriel Mts. 426 Comment
  RSA0114807  Nicotiana glauca Richard G. Swinney 2011-10-25 15894 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39. 1006 Comment
  RSA746637  Oenothera californica R. G. Swinney 2008-6-4 8942 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  CAS-BOT-BC167070  Oenothera californica R. F. Thorne; M. Z. Thorne 1969-7-10 38444 Los Angeles San Gabriel Mts., Angeles National Forest: c. 1 miles W of Wrightwood 1950 Comment
  UCR180373  Oenothera californica subsp. californica Scott D. White, Pam Devries 2006-5-9 11396 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  POM355611  Oenothera deltoides subsp. deltoides G. R. Johnstone 1932-4-24 s.n. Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  RSA158225  Oenothera elata subsp. hirsutissima David P. Gregory 1961-8-10 479 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  UCR162517  Oenothera elata subsp. hirsutissima Anuja Parikh, Nathan Gale 2004-6-2 2021 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  SD39512  Oenothera elata subsp. hirsutissima Edith A. Purer 1931-6-25 2077 Los Angeles Pasadena, near Huntington Hotel. Comment
  CAS-BOT-BC56857  Opuntia X occidentalis Mr. Bigelow 1954-3-19 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM175018  Opuntia basilaris var. basilaris I. M. Johnston 1917-4-21 s.n. Los Angeles San Antonio wash, west of Upland. Comment
  POM311524  Opuntia ficus-indica Lyman Benson 1963-6-20 16342 Los Angeles Pomona, Walnut Ave. 1/4 mile from Puddingdtone Ave just north of Carrion House. 274 Comment
  UCR261344  Opuntia littoralis R. G. Swinney 2010-4-1 12171 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  SEINET10732239  Opuntia littoralis var. littoralis LeRoy R. Abrams 1902-6-9 Abrams 2515 Los Angeles Sand dunes, Playa del Rey Comment
  POM306087  Opuntia prolifera P. H. Raven 1962-5-9 17656 Los Angeles Just N of Gray, San Clemente Island 366 Comment
  UC303497  Oreonana vestita I. Johnston 1917-7-4 1413 Los Angeles near summit of Baldy San Gabriel Mts. Comment
  RSA0059171  Orobanche bulbosa Orlando Mistretta, Steve D. Boyd, Darin L. Banks 1994-4-29 1094 Los Angeles San Gabriel Mountains. Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N. of Forest Road 4N20. 152 Comment
  UC574921  Orobanche fasciculata Carl Epling, Charles Darland June 1935 Los Angeles Tujunga Canyon. Comment
  RSA0066513  Orobanche fasciculata Robert F. Thorne 1966-4-28 36235 Los Angeles Santa Catalina Island: Near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  POM50458  Osmorhiza brachypoda L. R. Abrams 1901-4-13 1511 Los Angeles Wilsons Peak Trail. Comment
  UCR150885  Osmorhiza brachypoda Valerie Soza, LeRoy Gross 1999-7-15 628 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt Wilson Trail above Little Santa Anita Canyon 1067 Comment
  UCR19571  Osmorhiza brachypoda L. E. Hoffman 1929-5-20 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Big Santa Anita Cyn. Comment
  CATA3316  Oxalis californica Amy Catalano 2017-3-24 035 Los Angeles Santa Catalina Island: About 0.4 road miles up Middle Ranch Rd. from eastern entrance to Big Field Rd, north side of road, about 150 meters up slope 201 Comment
  RSA729533  Oxytheca caryophylloides R. G. Swinney 1998-6-16 6987 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
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Aug 20 2010
  RSA628554  Oxytheca parishii var. parishii Louis C. Wheeler 1967-8-24 10509 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2043 Comment
  RSA596088  Oxytheca trilobata Tim S. Ross, S. D. Boyd 1995-6-28 8630 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  CAS-BOT-BC121169  Paeonia californica W. R. Dudley 1907-12-1 s.n. Los Angeles Saw Pit Canyon (near Monrovia) Comment
  RSA0083118  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA434235  Paeonia californica Fay A. MacFadden 1931-3-3 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR259679  Paeonia californica R. G. Swinney 2010-4-13 12203 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  CATA3323  Papaver californicum Amy Catalano 2017-4-3 040 Los Angeles Santa Catalina Island: South side of West End Rd., about 0.25 miles southeast of entrance to Cherry Valley towards Fourth of July Cove 2 Comment
  CATA283  Papaver heterophyllum Mark L. Hoefs 1973-5-21 297 Los Angeles Santa Catalina Island: Canyon above Renton Mine Road 304 Comment
  POM367112  Parapholis incurva Anstruther Davidson 1890-06 s.n. Los Angeles San Pedro Comment
  SEINET10596827  Parapholis incurva F. R. Fosberg 1931-3-4 Fosberg S 4476 Los Angeles Pebble beach. Santa Catalina Island. Dry salt marsh. Upper Sonoran Zone. 2 Comment
  UCR205085  Parietaria hespera R. G. Swinney 2008-4-10 8633 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCD111486  Parietaria hespera Daryl Koutnik 1978-4-21 397 Los Angeles Scholl Canyon just N of the Eagle Rock. 304 Comment
  SBBG126147  Passiflora caerulea A. C. Sanders with T. B. Salvato 2009-5-21 36900 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 Comment
  SD90373  Pectocarya linearis subsp. ferocula Robert F. Thorne 1966-4-17 36101 Los Angeles San Clemente Island: Desiccated vernal pool on mesa just northwest of Thirst 550 Comment
  RSA251461  Pectocarya linearis subsp. ferocula R. F. Thorne 1973-4-11 42824 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  UCR125409  Pectocarya penicillata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25701 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR116292  Pectocarya setosa B. G. Pitzer 1998-5-12 3710 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  LA32241  Pedicularis densiflora Henry J. Thompson; 1959-3-31 1010 Los Angeles Santa Monica Mountains, Lobo Canyon, 0.7 mi from Triunfo Canyon, 2 mi W of Cornell 243 Comment
  PASA178  Pedicularis semibarbata Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  UCR209979  Pedicularis semibarbata R. G. Swinney 2008-7-24 9283 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA0091481  Pellaea andromedifolia R. G. Swinney 2011-3-22 14193 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  UCSB30925  Pellaea andromedifolia Parker, V. 1974-3-27 Los Angeles Fisherman's Cove, Santa Catalina Island 1 Comment
  RSA686736  Pellaea andromedifolia Geo L. Moxley 1915-7-19 380 Los Angeles Eagle Rock. Comment
  RSA600775  Pellaea mucronata var. mucronata L. C. Wheeler 1962-6-30 8151 a Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  RSA412446  Penstemon centranthifolius M. Bisbee 1917-5-24 s.n. Los Angeles n. hill sides, n. Eagle Rock Comment
  UCR277254  Penstemon grinnellii R. G. Swinney 2010-9-30 13941 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  NY601184  Penstemon grinnellii var. grinnellii F. W. Pennell 1940-6-25 26006 Los Angeles Mount Wilson 1676.4 Comment
  UCSB6179  Penstemon heterophyllus Gill, Robert 1959-6-10 Los Angeles Johnson pasture; San Gabriel Mt Range Comment
  RSA660405  Penstemon heterophyllus subsp. australis Orlando Mistretta 1992-6-17 594 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  NY601716  Penstemon heterophyllus var. heterophyllus L. T. Chamberlain s.n. Los Angeles Comment
  RSA250516  Penstemon rostriflorus Robert F. Thorne, John Dourley 1967-10-10 37368 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.5 miles east of Dawson Saddle. 2348 Comment
  UCR178807  Penstemon spectabilis R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road at Glendora Mtn Road, NE corner 366 Comment
  RSA656227  Penstemon spectabilis subsp. subviscosus Joseph M. Keefe 1978-6-2 23305 Los Angeles Verdugo Mountains: 40 m north of Mountain Street, 70 m west of Glendale Freeway (California Highway 2), Glendale College, Glendale, San Rafael Hills. 300 Comment
  POM4778  Pentachaeta aurea H. M. Hall 1909-5-20 s.n. Los Angeles Claremont. 365 Comment
  SD116680  Pentachaeta lyonii K. Nakai, D. Verity and J. Ross 1981-5-21 763 Los Angeles Santa Monica Mountains; 200 yards south of Carlise road on Decker Canyon Road. 305 Comment
  SD81809  Pentagramma triangularis Fay A. MacFadden 1931-3-29 Los Angeles Tuna Canyon, Verdugo Hills Comment
  RSA687402  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1928-4-21 1882 Los Angeles Santa Catalina Island: wooded hillside, Renton Mine 304 Comment
  UC1375389  Perideridia parishii subsp. latifolia Robert F. Thorne 1969-7-2 38314 Los Angeles se Angeles Crest Hwy. (3.2 mi wsw of Cloudburst Summit, along bed of small intermittent stream); San Gabriel Mts., Angeles National Forest 1950 Comment
  UC1611540  Perideridia pringlei Tim Ross, Orlando Mistretta, Alex Quici 1990-6-27 3931 Los Angeles n slope of mt. between Cow Spring Canyon and Horse Camp Canyon; Liebre Mountains, Liebre Mtn 7.5' USGS Quadrangle, Liebre Mt 1338 Comment
  OBI26279  Peritoma arborea H. Folkman 1974-5-15 108 Los Angeles Pierce College, Woodland Hills 274 Comment
  CAS-BOT-BC73760  Peritoma arborea var. arborea Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7440 Los Angeles Palos Verdes Peninsula, Rancho Palos Verdes - eroded canyon through southerly coastal bluffs, 15 Comment
  UC1587732  Perityle emoryi Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5236 Los Angeles first un-named canyon s Snake Cactus Canyon (drainage beginning 1420 ft due w of Guds, se end San Clemente Island); se end San Clemente Island 152 Comment
  SD72730  Persicaria punctata F. R. Fosberg 1930-11-11 S 4177 Los Angeles Templeton, So. Puente, small marsh 79 Comment
  POM145740  Petalonyx thurberi subsp. thurberi Thomas Craig 1927-6-19 460 Los Angeles Soledad Canyon Road near west junction with Mint Canon Road. [canyon] Comment
  UCSC011215  Petalonyx thurberi subsp. thurberi Adam Searcy 2015-7-10 76 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UCR260397  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  LA40165  Phacelia cicutaria var. hispida Tamar; 1961-4-8 6409 Los Angeles 365 Comment
  POM50250  Phacelia cicutaria var. hispida L. W. Nuttall 1920-5-12 s.n. Los Angeles Santa Catalina Island. Comment
  RSA346645  Phacelia cicutaria var. hispida Barry Burnell 1971-3-29 312 Los Angeles San Gabriel Mts.: Sycamore Canyon above Claremont at the top of Indian Hill Blvd. Pacific Slope. 396 Comment
  RSA427852  Phacelia cicutaria var. hispida Erwin Miller 1934-5-14 18987 Los Angeles El Segundo. Comment
  SBBG29808  Phacelia cryptantha F. W. Peirson 1928-6-2 7942 Los Angeles trail up S Fk of Rock Crk 1676 Comment
  RSA580691  Phacelia davidsonii Tim S. Ross, Steve D. Boyd 1994-5-25 7879 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  UC1745624  Phacelia davidsonii Annetta M. Carter 1951-5-21 3058 Los Angeles Horse Flats, San Gabriel Mtns. Comment
  CHSC95798  Phacelia distans LeRoy Gross 2005-5-3 2195 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  OBI13821  Phacelia distans Bill Arbaugh 1966-4-26 33 Los Angeles W on 138 from Lancaster 762 Comment
  UC557753  Phacelia distans Nell Murbarger March 1936 28 Los Angeles w side of island San Clemente Island (slopes near ocean) Comment
  SFV17590  Phacelia egena J. N. Hogue, L. H. Hogue 1998-7-2 116 .5 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  RSA0082827  Phacelia fremontii R. G. Swinney 2010-5-19 12777 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
  SFV9382  Phacelia fremontii M. L. Vincent, L. Swade 1964-4-2 488 Los Angeles San Gabriel Mountains Valyermo Road, about 1 mile north of Pallett Road. 1080 Comment
  UC577899  Phacelia fremontii A. D. Gifford 1935-3-27 516 Los Angeles 2 3/4 mi ne Sawmill Peak; Tejon Quadrangle 1219 Comment
  UC604893  Phacelia fremontii Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9477 Los Angeles on Antelope Valley Rd 5 mi w Lancaster Comment
  RSA199038  Phacelia grandiflora W. M. Gauntt 1966-4-30 180 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  UCR61341  Phacelia grandiflora R. G. Swinney 1989-6-11 s.n. Los Angeles San Gabriel Mtns., Base of mtns, in and near the city of Glendora. Glendora Mtn Road, 1.3 mi south of Glendora Ridge Motorway 549 Comment
  CAS-BOT-BC6871  Phacelia hispida var. eximia Fordyce Grinnell 1903-12-31 109 Los Angeles Santa Anita Canyon, Mt. Wilson Trail Comment
  UC1400323  Phacelia imbricata subsp. patula Robert F. Thorne, C. W. Tilforth, J. Dourly, and R. Scogin 1972-8-11 42225 Los Angeles n slope of mt. near Buckhorn Station; San Gabriel Mts., Angeles National Forest, Mt. Waterman 2133 Comment
  RSA749076  Phacelia lemmonii R. G. Swinney 2005-8-11 8453 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SBBG54435  Phacelia longipes J. T. Howell 1928-6-10 3889 Los Angeles Fish Cyn Comment
  SJSU13499  Phacelia longipes C. W. Sharsmith 1941-6-22 4402 Los Angeles Eaton Canyon, San Gabriel Mts 762 Comment
  RSA190921  Phacelia lyonii Robert F. Thorne 1967-5-18 36871 Los Angeles Wild Boar Gully, Santa Catalina Island. 183 Comment
  LA38514  Phacelia parryi Elizabeth McClintock; 1936-4-18 sn Los Angeles Comment
  IRVC27352  Phacelia ramosissima A. C. Sanders, Mark Elvin 2003-8-7 27163 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UCSC003636  Phacelia ramosissima Peter Kamb 1947-6-11 596 Los Angeles Eaton Wash, East of Pasadena. 267 Comment
  RSA602244  Phacelia viscida R. S. Woglum 1934-4-8 1281 Los Angeles Western Transverse Ranges: San Fernando Valley, North Hollywood. Comment
  RSA725752  Phacelia viscida A. C. Sanders, Mark A. Elvin 2003-5-1 26275 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  RSA699162  Phacelia viscida Pomeroy 1929-4-7 s.n. Los Angeles Benedict Canyon. Comment
  CATA111  Phalaris aquatica Peter Henrikson 1987-4-23 82 Los Angeles Santa Catalina Island: Middle Ranch 213 Comment
  CATA914  Phalaris aquatica Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1759 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  UCR64009  Phalaris aquatica L. F. LaPre 1990-5-28 s.n. Los Angeles City Ranch, in the Anaverde Valley, about 2 mi west of Palmdale 915 Comment
  UCR24015  Phalaris canariensis Alfred R. Roos 1958-5-21 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  RSA640649  Phalaris lemmonii Steven A. Junak 1997-5-20 SCI- 880 Los Angeles San Clemente Island. SW side of San Clemente Island Ridge Road, 0.73 mile SSE of Thirst Peak, in extreme upper reaches of Cave Canyon 540 Comment
  SBBG133157  Phalaris lemmonii E. Howe 2010-5-16 SERG 10 -44 Los Angeles ephemeral pool on OP3 rd 519 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
  SD240811  Phalaris minor Dave Silverman, Jeff Jarvis & Colleen Martin 2010-5-19 8017 Los Angeles Antelope Valley, north of Lancaster, 25 m west of Sierra Highway, 180 m north of Avenue F. 701 Comment
  POM229170  Phleum pratense L. C. Wheeler 1933-7-10 1927 Los Angeles 2 miles NE of La Verne. 381 Comment
  CAS-BOT-BC222563  Pholistoma auritum var. auritum Grant 1900-2-8 s.n. Los Angeles Lincoln Park Comment
  UCR188889  Pholistoma auritum var. auritum R. G. Swinney 1990-5-3 1583 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1.2 miles NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  SBBG41361  Pholistoma membranaceum J. P. Broughton, K. K. Muller 1971-4-2 1350 Los Angeles Soledad Cyn Rd, ca. 5 mi S of Palmdale Comment
  RSA0056542  Pholistoma racemosum Orlando Mistretta 1989-5-15 s.n. Los Angeles Channel Islands; San Clemente Island: Bryce Canyon. Comment
  OBI81440  Phoradendron bolleanum R. G. Swinney 2009-11-13 11614 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  UCR98832  Phoradendron densum T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3388 Los Angeles San Gabriel Mtns., Little Rock Creek, Joshua Tree Campground on the SW side of Little Rock Reservoir 1003 Comment
  CAS-BOT-BC141302  Phoradendron serotinum subsp. tomentosum Geo. B. Grant 1904-5-18 s.n. Los Angeles Summit of Mt. Wilson Comment
  RSA188692  Phyllospadix scouleri Robert F. Thorne 1966-9-15 36687 Los Angeles Santa Catlina Island, attached to boulder over sandy bottom amid kelp in perhaps 5ft of water at low tide, near Balck Point, N side of W end of island. 2 Comment
  RSA683017  Phyllospadix scouleri E. Yale Dawson 1958-5-22 19147 Los Angeles Latigo shore Road, Malibu beach Comment
  LA7071  Phyllospadix torreyi Monte Lloyd; 1950-7-15 500715p 1500 Los Angeles Santa Monica Mountains, a few mi. N of Santa Monica along Pacific Coast Hwy Comment
  RSA682971  Phyllospadix torreyi E. Yale Dawson 1957-1-30 16010 Los Angeles Malibu Beach .8 miles west of Las Flores Canyon road. Comment
  UCR205058  Picris echioides R. G. Swinney 2008-4-4 8604 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  UCR178915  Pinus canariensis R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns, in and near the city of Glendora, north of Sierra Madre Avenue and west of the Church of the Open Door 367 Comment
  RSA651156  Pinus contorta var. murrayana Eleanor McClung 1937-5-30 sn Los Angeles Mount Baldy. Comment
  RSA682606  Pinus halepensis Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  CAS-BOT-BC78866  Pinus monophylla Geo. B. Grant 1902-6-1 268 Los Angeles unspecified 1828 Comment
  RSA384368  Pinus monophylla L. E. Hoffman 1931-11-9 s.n. Los Angeles Upper Big Rock Creek Comment
  UCR124705  Pinus monophylla B. C. Templeton 1932-8-26 5090 Los Angeles San Gabriel Mtns., Big Rock Canyon, near Vincent Gap, below Big Pines Park, Angeles National Forest 2012 Comment
  SEINET10932754  Pinus muricata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4822 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CATA3262  Pinus radiata Julia Parish, Ben Dion 2017-1-26 004 Los Angeles Santa Catalina Island: Southeast side of Middle Ranch Road, about halfway between Pumphouse 2 and junction with Skull Ridge Road 299 Comment
  JEPS46895  Pinus sabiniana W. L. Jepson 1929-1-10 15100 Los Angeles Liebre Mts. Comment
  UC845544  Piperia cooperi F. R. Fosberg 1931-4-7 S 4495 Los Angeles Hamilton Beach Santa Catalina Island 20 Comment
  POM368909  Plagiobothrys M. B. Dunkle 1928-2-12 1701 Los Angeles Middle Ranch Canyon 335 Comment
  RSA0117719  Plagiobothrys arizonicus A. C. Sanders 2007-4-25 33591 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA589193  Plagiobothrys arizonicus T. S. Ross 1991-4-27 4681 Los Angeles MOJAVE DESERT: Black Butte Basin Road at intersection with Avenue 'U , NW corner; 0.85 mile and ca 152 deg SW of Three Sisters (buttes). 959 Comment
  UC61156  Plagiobothrys arizonicus J. Burtt Davy May 9 1896-May 24 1896 2301 Los Angeles Llano Verde Antelope Valley Comment
  UC625017  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-24 S 4351 Los Angeles Hamilton Canyon Santa Catalina Island 2 Comment
  LA81969  Plagiobothrys nothofulvus O. H. Kappler; 1941-3-8 102 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CATA1605  Plantago erecta Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2874 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  UCR142493  Plantago erecta F. R. Fosberg 1931-3-26 S- 4383 Los Angeles Channel Islands, west [of] Hamilton Beach, Santa Catalina Island 80 Comment
  UCR179623  Plantago erecta R. G. Swinney 1991-4-21 1584 Los Angeles San Gabriel Mtns. Foothills, Glendora, South Hills, east end of Eagle Ridge, c. 50 m north of Lot 6 in Hughes development, in 'open space 305 Comment
  RSA401967A  Plantago erecta F. R. Fosberg 1931-5-6 S- 4823 Los Angeles Santa Catalina Island, Cape Canyon. 260 Comment
  RSA401974A  Plantago erecta Samuel R. Tyson 1943-4-2 s.n. Los Angeles San Dimas Canyon. 442 Comment
  UCR194856  Plantago indica Kai T. Palenscar 2008-7-25 s.n. Los Angeles Southern Coast; San Gabriel Valley, city of Whittier, Whittier Narrows, south of Hwy 60 and west of Hwy 605, on the west side of Rosemead just after crossing the San Gabriel River 59 Comment
  RSA202462  Plantago lanceolata R. L. Armacost 1963-6-25 1682 Los Angeles Parkway Pico and 20Th, Santa Monica. Comment
  RSA70081  Platanthera sparsiflora Frank W. Peirson 1919-6-15 505 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA732946  Platanthera sparsiflora Richard G. Swinney 1999-8-14 7624 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA286663  Platanthera sparsiflora Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44762 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big Rock Creek 2439 Comment
  CAS-BOT-BC93182  Platanus racemosa Peter H. Raven 1957-9-21 11365 Los Angeles Topanga Canyon 2.3 miles above U.S. 101 alternate, Santa Monica Mountains. Comment
  UC1280826  Platanus racemosa H. E. McMinn 1934-3-28 3449 Los Angeles San Gabriel Comment
  SEINET3093588 Image available Platystemon californicus Richard G. Swinney 2009-5-5 10650 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert; Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing (Palmdale 7.5 Q.) 963 Comment
  SEINET3162997  Platystemon californicus G. B. Grant 1008 Los Angeles Pasadena Comment
  UCR259686  Platystemon californicus Mitch Provance, Callen Huff 2009-4-28 10717 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA445701  Platystemon californicus G. R. Johnstone 1928-4-28 13787 Los Angeles Two mi. E. of Palmdale. Comment
  RSA751417  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -118 Los Angeles City of Malibu, vicinity of La Piedra State Beach. 3 Comment
  CAS-BOT-BC434245  Plectritis ciliosa A. C. Sanders; T. B. Salvato 2007-4-24 33496 Los Angeles Tehachapi Mountains: hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1082 Comment
  LA202281  Pluchea odorata Arthur C. Gibson; 2004-10-9 5026 Los Angeles Santa Monica Mountains, Triunfo Canyon, along creek bed entering Lake Malibou Comment
  RSA0092464  Poa R. G. Swinney 2011-6-23 15282 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA92371  Poa annua F. W. Peirson 1922-7-6 4201 Los Angeles Big Pines Camp 2088 Comment
  RSA484194  Poa pratensis Gary D. Wallace 1979-5-2 1839 Los Angeles [Arcadia] Along Baldwin Ave, across street from L.A. County Arboretum. Comment
  RSA777432  Poa pratensis R. G. Swinney 2009-5-27 10859 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA587526  Poa secunda Orlando Mistretta 1994-4-29 1100 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA597735  Poa secunda Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3791 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  SBBG31282  Poa secunda subsp. secunda R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  UC589655  Poa secunda subsp. secunda Nell Murbarger April 1936 139 Los Angeles San Clemente Isl Comment
  UCR210536  Polygonum aviculare R. G. Swinney 2008-12-4 9941 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA594347  Polygonum aviculare subsp. aviculare Steve Boyd, Lauren Raz 1996-10-14 9032 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  CAS-BOT-BC71899  Polypodium californicum R. M. Beauchamp 1967-1-27 124 Los Angeles behind Wilson Cove Pier, San Clemente Island Comment
  LA4308  Polypodium californicum W. Scott Lewis; 1903-5-17 298 Los Angeles SANTA MONICA MOUNTAINS, Mt Hollywood Comment
  POM310153  Polypodium californicum Hulda Crooks 1946-3-11 232 Los Angeles Big Dalton Canyon. 366 Comment
  SBBG107225  Polypodium californicum J. Rebman, J. Dunn 1996-4-28 3100 Los Angeles Eagle Cyn on SE side of island 150 Comment
  SEINET13276840 Image available Polypodium californicum R. G. Swinney 2011-1 14195 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
  UCSB8298  Polypodium californicum Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon, L.A. 304 Comment
  UCSB62297  Polypodium californicum Kiefer, Lawrence 1966-9-4 Los Angeles San Gabriel Mtns., Fish Fork of the E fork of the San Gabriel River, ca. 0.5mi above the falls 1341 Comment
  UCSB62356  Polypodium californicum Kiefer, Lawrence 1967-4-22 Los Angeles San Gabriel Mtns., Graveyard Canyon, tributary of the E fork of the San Gabriel River, ca. 1/2mi from the mouth 548 Comment
  UCSB62445  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone, San Dimas Comment
  LA10112  Polypogon monspeliensis A. M. Johnson; 1932-5-30 4091 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  SBBG12193  Polypogon monspeliensis P. H. Raven 1962-5-8 17598 Los Angeles mouth of cyn at S end of Seal Cove 9 Comment
  SBBG59510  Polypogon monspeliensis R. Hoffmann 1926-4-19 Los Angeles Antelope Valley Comment
  RSA385489  Polypogon viridis Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles. Los Angeles River. Comment
  RSA0127378  Polypogon viridis Louis C. Wheeler 1967-7-20 10136 Los Angeles Aliso Canyon. 1067 Comment
  RSA799857  Polystichum imbricans Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 4 Los Angeles Glendora Ridge Road 1288 Comment
  CHSC35486  Populus fremontii James Henrickson 1974-2-24 5 Los Angeles Santa Catalina Island, at the lowest part of Cottonwood Canyon where road crosses canyon mouth. 12 Comment
  UCR95401  Populus fremontii L. C. Wheeler 1966-11-19 9137 Los Angeles San Gabriel Mtns., Dagger Flat vicinity, Pacoima Canyon 747 Comment
  RSA794747  Populus trichocarpa Jane Tirrell 2012-7-20 LS 0119 Los Angeles Snowmelt gully on California State Route 2 at mile marker 66.82 2245 Comment
  UCR274352  Potamogeton Steven A. Junak 1999-9-10 SCa- 1092 Los Angeles California Islands, Santa Catalina Island. Northwest end of lower reservoir, Bulrush Canyon 305 Comment
  UCR259463  Potamogeton nodosus R. G. Swinney 2010-9-7 13711 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UC472160  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Lake Malibu; Santa Monica Mountains 304 Comment
  UCR162364  Potamogeton pectinatus Anuja Parikh, Nathan Gale 2004-6-15 2040 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  UCR223376  Potentilla glandulosa R. G. Swinney 2009-7-23 11390 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC154947  Prunus ilicifolia Vernon Bailey 1907-10-30 s.n. Los Angeles Saugus Comment
  RSA0093053  Prunus ilicifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14342 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
  UCR107833  Prunus ilicifolia subsp. ilicifolia Valerie Soza 1997-4-11 37 Los Angeles Bernard Field Station of the Clarmont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. South of pHake Lake, along trail after fork coming from the east, near shore, thick area 412 Comment
  CAS-BOT-BC154565  Prunus ilicifolia subsp. lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 386 Los Angeles Vicinity of Mosquito Harbor. San Clemente Island Comment
  SBBG13251  Prunus ilicifolia subsp. lyonii M. A. Piehl 1962-6-10 62402 Los Angeles cyn E of Thirst 304 Comment
  SEINET10483466  Prunus lyonii Lyman D. Benson 1960-7-20 Benson 16077 Los Angeles Seedling volunteers on the pomona college campus, pacific slope 366 Comment
  RSA702535  Prunus virginiana Scott D. White 2004-5-5 10309 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA0101274  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  CAS-BOT-BC356702  Pseudognaphalium californicum LeRoy Abrams 1902-6-15 2547 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  RSA0087061  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12509 Los Angeles 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
  SBBG98436  Pseudognaphalium luteoalbum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5265 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 312 Comment
  HSC5709  Pseudognaphalium microcephalum W. M. Kinch 1954-9-30 21 Los Angeles San Antonio Canyon 2 mi. above Ranger Station; San Antonio Wash 610 Comment
  CAS-BOT-BC357285  Pseudognaphalium microcephalum Geo. B. Grant 1901-8-27 s.n. Los Angeles Pasadena Comment
  SBBG31439  Pseudognaphalium stramineum R. F. Thorne 1966-4-6 35915 a Los Angeles W of Empire Landing 91 Comment
  SEINET3875013  Pseudotsuga macrocarpa Victor Duran 1933-7-27 3537 Los Angeles Little Rock Creek, San Gabriel Mountains.; 0 1676 Comment
  SBBG98050  Psilocarphus tenellus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5219 Los Angeles ca. 300' NE of Knob 271 Comment
  RSA0127372  Pteridium aquilinum var. pubescens Louis C. Wheeler 1967-7-15 10042 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UCR259749  Pterostegia drymarioides R. G. Swinney 2010-4-28 12387 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
  SEINET6054211  Purshia tridentata Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR146687  Pycnanthemum californicum Scott D. White 2004-8-20 10729 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  POM359298  Pyrrocoma apargioides Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  CAS-BOT-BC45778  Quercus Tim Ross 1993-4-22 6915 Los Angeles Santa Catalina Island, SW part of the island in Bullrush Canyon; along old dirt road (no longer maintained) 243 Comment
  UCSB28156  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  POM18609  Quercus X grandidentata E. S. Spalding 1921-4-9 xix 1 a Los Angeles Ganesha Hills, Pomona. Comment
  RSA475265  Quercus X macdonaldii Mark Hoefs 1974-10-3 577 Los Angeles Upper part of Middle Canyon [Santa Catalina Island]. 299 Comment
  UCSB27899  Quercus agrifolia R. Gill 1959-3-24 53 Los Angeles RIDGE ROUTE OAK FLAT GUARD STATION 822 Comment
  SBBG98856  Quercus agrifolia var. agrifolia E. R. Blakley 1991-11-20 7464 Los Angeles Canton Cyn, NE of Piru Lake 762 Comment
  POM187675  Quercus berberidifolia Joseph A. Ewan 1931-10-24 5259 Los Angeles 1 mile above Malibu Lake on Seminole Hot Springs Rd. Comment
  POM271864  Quercus berberidifolia Lyman Benson 1947-1-16 12278 Los Angeles 860 Hillcrest Ave, Ganesha Hills, Pomona 305 Comment
  RSA655937  Quercus berberidifolia James Henrickson 2000-4-15 20706 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  UC1595248  Quercus berberidifolia Tim Ross and Peter Fritsch 1990-6-20 3642 B Los Angeles near confluence of the E. and W. Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UCD56576  Quercus berberidifolia John M. Tucker 1948-9-26 1879 Los Angeles California, Los Angeles Co.; 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; Comment
  UCSB34815  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill north of Pomona 274 Comment
  UCSB72065  Quercus berberidifolia Gross, LeRoy 2000-11-4 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley 396 Comment
  LA30779  Quercus chrysolepis Jo Ann W. Flock; 1958-12-7 9 Los Angeles Liebre Mt, Angeles National Forest, along trail from Horse Trail Public Camp 1371 Comment
  RSA476903  Quercus chrysolepis I. M. Johnston 1928-9-10 15747 Los Angeles Switzers Camp Arroyo seco. Comment
  RSA476904  Quercus chrysolepis V. V. Giles 1936-7-5 237 Los Angeles Crystal Lake Camp, San Gabriel Mts. Comment
  RSA488448  Quercus chrysolepis Mark Hoefs 1974-9-17 534 Los Angeles Santa Catalina Island, Gallagher's Canyon- lower west fork 30 Comment
  SDSU19646  Quercus chrysolepis Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2204 A Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  UCSB56347  Quercus chrysolepis Thorne, Robert; Propst, Doug 1970-11-12 Los Angeles Santa Catalina Island; on Mount Orizaba along N-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon 487 Comment
  CAS-BOT-BC86384  Quercus dumosa John Thomas Howell 1927-9-30 3124 Los Angeles near the zoo, Griffith Park Comment
  RSA476605  Quercus durata var. gabrielensis H. de Forest 1932-8-15 s.n. Los Angeles Verdugo Valley Comment
  SBBG127246  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles middle of Maple Cyn, 490 m E of Big Tujunga Rd & 477 m W of Angeles Forest Hwy; San Gabriel Mtns 786 Comment
  UCR177741  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 308 Los Angeles Los Angeles Basin region; Verdugo Mtns., Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 762 Comment
  UCSB27926  Quercus engelmannii Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  UCR223621  Quercus ilex R. G. Swinney 2009-6-27 11287 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  POM290532  Quercus john-tuckeri Lyman Benson 1951-10-23 14830 Los Angeles 1 mile below Jackson Lake, Big Pines to Valyermo. 1524 Comment
  RSA702560  Quercus john-tuckeri Scott D. White 2004-5-10 10355 Los Angeles Liebre Mountains: North slope below Bald Mountain. 1098 Comment
  RSA0017014  Quercus john-tuckeri F. W. Peirson 1919-5-11 404 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 854 Comment
  CAS-BOT-BC105251  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8031 Los Angeles Liebre Mountains. Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  UC848094  Quercus kelloggii unknown Jul 1921 Los Angeles Bear Creek 2042 Comment
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Mar 29 2014
  POM147821  Quercus pacifica Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCSB58644  Quercus pacifica Fosberg, F. 1932-5-7 Los Angeles Canyon above Hay Press, Santa Catalina Island Comment
  CAS-BOT-BC258366  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 244 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  SEINET13953950 Image available Quercus tomentella Robert F. Thorne, P. Everett 1965-1 34503 Los Angeles along gully, upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  POM2115  Quercus wislizeni var. frutescens I. M. Johnston 1916-11-27 s.n. Los Angeles Above Claremont. 1220 Comment
  CATA3451  Rafinesquia californica Benjamin J. Dion, Stuart Olshevski 2017-6-28 033 Los Angeles Santa Catalina Island: Channel Side; on flat area along a cliff above the beach at Ripper's Cove 20 Comment
  UCD135329  Rafinesquia californica Daryl Koutnik 1978-5-2 462 Los Angeles Bell canyon in the Simi Hills. 426 Comment
  LA52185  Ranunculus californicus O. A. Plunkett; 1926-3-20 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA127951  Ranunculus hebecarpus H. J. Thompson 1959-4-19 1954 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  RSA399210  Reseda alba Anstruther Davidson 1920-03 3368 Los Angeles Foot of St. Susanna Pass Comment
  UCR151727  Rhamnus californica Steve Boyd, Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  UC450881  Rhamnus californica subsp. californica Fay A. MacFadden 1931-4-10 2577 Los Angeles Tejunga Canyon Comment
  UCR55769  Rhamnus crocea J. A. Adams 1965-3-20 84 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  SEINET13946324 Image available Rhamnus crocea Paul Gripp 1954-1 s.n. Los Angeles Mt. Gleason Road Comment
  RSA39861  Rhamnus ilicifolia W. R. Dudley, F. H. Lamb 1896-6-7 4355 Los Angeles Kings Ca - on, Antelope Valley. Comment
  UC1922244  Rhamnus ilicifolia Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1342 Los Angeles Transverse Ranges; Verdugo Mountains region; La Crescenta Valley Park, near confluence of Verdugo Wash and Cunningham Canyon 457 Comment
  UCR219941  Rhamnus ilicifolia R. G. Swinney 2009-4-16 10368 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  CAS-BOT-BC59822  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3502 Los Angeles Santa Catalina Island. Avalon Canyon, agbove last almond orchard. 121 Comment
  RSA390866  Rhamnus pirifolia F. R. Fosberg 1931-7-16 S 5605 Los Angeles Gallagher's Canyon, right fork; Santa Catalina Island. 50 Comment
  UCR3526  Rhamnus pirifolia O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA390142  Rhamnus tomentella subsp. cuspidata M. B. Dunkle 1933-6-17 3591 Los Angeles San Antonio River Canyon. 915 Comment
  UCR125158  Rhus aromatica A. C. Sanders, Mark Elvin 2002-6-18 25121 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  CAS-BOT-BC170453  Rhus integrifolia Peter H. Raven 1959-3-15 13954 Los Angeles Bluffs just east of Zuma Beach, Point Dume - Santa Monica Mountains 15 Comment
  SBBG71070  Rhus integrifolia M. N. Ackley -Mar-1927 3 Los Angeles Eagle Rock 243 Comment
  SDSU2183  Rhus integrifolia R. M. Beauchamp 1967-1-27 122 Los Angeles On slope south of Wilson Cove. San Clemente island. Comment
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Oct 13 2011
  UC1787300  Rhus integrifolia A. C. Sanders 2003-5-26 26835 Los Angeles San Gabriel Valley: on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Sante Fe RR, east of the San Gabriel River channel 170 Comment
  POM137315  Rhus ovata C. F. Baker 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  POM158298  Rhus ovata M. B. Dunkle 1928-3-11 1723 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  RSA594748  Rhus ovata T. S. Ross 1995-4-7 8365 Los Angeles 'OLD RIDGE ROUTE'': 1.4 road miles NNW of its intersection with Templin Highway; headwaters of Canton Canyon. 893 Comment
  UC1130531  Rhus ovata P. L. Johannsen 1933-12-14 202 Los Angeles 1 mi e and 1 mi s Calabasas 396 Comment
  LA212298  Rhus trilobata Lee Haines; 1950-4-20 s.n. Los Angeles San Bernardino National Forest, Cranton Ranger Station. 609 Comment
  RSA584035  Rhus trilobata var. quinata T. S. Ross, Steve D. Boyd 1991-4-25 4575 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  CAS-BOT-BC92299  Ribes amarum Geo. B. Grant 1902-4-1 s.n. Los Angeles Lincoln Park. Pasadena. Comment
  RSA0088414  Ribes aureum R. G. Swinney 2010-2-27 11746 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  SFV18429  Ribes aureum C. Ferguson s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Along road into Walker Ranch. Comment
  CAS-BOT-BC92439  Ribes aureum var. gracillimum Geo. B. Grant 1904-5-14 6271 Los Angeles Glendora. Comment
  UC519887  Ribes aureum var. gracillimum O. A. Plunkett 1926-3-6 Los Angeles Sierra Madre Santa Anita Canyon Comment
  RSA612038  Ribes californicum var. hesperium Bill Campbell 1932-2-27 s.n. Los Angeles Santa Monica Mts. Los Alisos Canyon. Comment
  UC69257  Ribes californicum var. hesperium Ernest Braunton 1903-1-15 766 Los Angeles Glendora Comment
  LA82098  Ribes californicum var. hesperium O. H. Kappler; 1943-4-28 380 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  RSA84505  Ribes indecorum F. W. Peirson 1918-11-1 299 Los Angeles along top of ridge on trail to Switzer s Camp, Arroyo Seco 945 Comment
  SEINET2473436 Image available Ribes indecorum Richard G. Swinney 2009-1 10140 Los Angeles San Gabriel Mtns. Foothills; Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  LA210743  Ribes indecorum Arthur C. Gibson; 2004-1-6 5222 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd. 2.29 miles NW of Junction with Rambla Pacifica and Scheuen Rd., across the street from a small water tank. Comment
  CAS-BOT-BC173422  Ribes malvaceum T. Craig; W. Simonds 1927-4-30 233 Los Angeles Fern Canyon, near Brown's Flats, San Antonio Mts. Comment
  CAS-BOT-BC173430  Ribes malvaceum Lewis S. Rose 1969-12-30 69118 Los Angeles Franklin Canyon, Santa Monica Mountains 152 Comment
  OBI26242  Ribes malvaceum Mark E. Schneider 1974-1-28 s.n. Los Angeles Deliban Rd, 7 Hills Ranch, Tujunga 427 Comment
  RSA748677  Ribes malvaceum R. G. Swinney 2008-3-31 8584 Los Angeles Glendora Mountain summit 1003 Comment
  UCR71253  Ribes malvaceum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4307 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  IRVC26627  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island; Mosquito Summit, head of canyon. Channel Islands Comment
  SFV15493  Ribes malvaceum var. malvaceum E. J. Spencer 1992-2-14 10 Los Angeles West side of The Old Road, mile post 1.75. 457 Comment
  RSA293826  Ribes malvaceum var. viridifolium Lyman Benson 1945-12-10 11976 Los Angeles Divide between Little Dalton canyon and San Gabriel River 671 Comment
  SEINET4050455  Ribes malvaceum var. viridifolium R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC219176  Ribes nevadense Jacqueline R. Bonquet 1960-8-18 s.n. Los Angeles Buck Horn Camp, Angeles National Forest, Gabriel Mountains 2133 Comment
  CAS-BOT-BC219183  Ribes nevadense Le Roy Abrams 1902-6-30 2583 Los Angeles Near the summit, Mount Wilson Comment
  CAS-BOT-BC219296  Ribes nevadense I. M. Johnston 1917-7-3 1403 Los Angeles San Antonio Canon [Canyon] 1676 Comment
  RSA476300  Ribes speciosum E. S. Spalding 1923-2-3 s.n. Los Angeles Laurel Canyon. Comment
  POM9722  Ribes speciosum P. A. Munz 1921-2-26 4686 Los Angeles South Hills (San Jose Hills) 5 miles east of Brea Canyon. 305 Comment
  OBI14018  Ribes viburnifolium H. E. McMinn Mar-32 2717 Los Angeles Santa Catalina Island. Cultivated Mrs. Blako's Garden Oakland Comment
  RSA454977  Ribes viburnifolium M. B. Dunkle 1929-2-10 2049 Los Angeles Santa Catalina Island. Bullrush Canyon Comment
  RSA603536  Ribes viburnifolium Sara L. Crockett 1997-4-2 648 Los Angeles Santa Catalina Island. Point above Empire Landing Quarry site, .25 miles N of Empire Landing Road, from point 2.4 miles from jct. with Airport Road. 241 Comment
  RSA785492  Ricinus communis Doris Bowers 1967-10-4 114 Los Angeles Palos Verdes Pen. 305 Comment
  PASA1573  Rigiopappus leptocladus Frank W. Peirson 1922-6-3 Los Angeles Private roadway on the Collin's Ranch. North slope Liebre Mts. Comment
  RSA791606  Rigiopappus leptocladus D. Silverman, Cindy Hopkins 2007-4-27 6772 Los Angeles Tejon Ranch, N of Oso Canyon, 2.8 km due W of Ca Aqueduct, 1.3 km S of Kern Co line, and 1.4 km S of National Cement plant. 1062 Comment
  RSA652727  Robinia pseudoacacia D. Bartholomew 1961-5-20 s.n. Los Angeles San Antonio Dam along the Mt. Baldy Rd. Comment
  UCR23291  Romneya coulteri Kate Kramer 1981-5-31 58 Los Angeles Western Transverse Range; Santa Monica Mtns., 6 mi. west of Encinal Cyn Rd. and Mulholland Hwy intersection on Encinal Cyn. Rd 213 Comment
  UCR259464  Rorippa curvipes var. truncata R. G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA603898  Rorippa curvisiliqua L. C. Wheeler 1975-5-13 s.n. Los Angeles Rio Hondo: ca. 1/4 mile N of San Gabriel Blvd. Comment
  UCR209986  Rosa woodsii R. G. Swinney 2008-10-16 9609 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  CAS-BOT-BC158813  Rubus ursinus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  POM366432  Rubus ursinus Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  RSA600783  Rubus ursinus Louis C. Wheeler 1949-5-19 6704 Los Angeles Potrero Heights. Comment
  UCR125185  Rubus ursinus A. C. Sanders, Mark Elvin 2002-6-25 25264 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA563526  Rumex acetosella Tim S. Ross, W. Appleby 1993-5-14 7144 Los Angeles Wetern SAN GABRIEL MTNS: between May Canyon Saddle and May Peak [3948']. 1146 Comment
  POM2343  Rumex conglomeratus P. A. Munz 1918-5-19 2261 Los Angeles Pomona. Comment
  CATA1302  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2392 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  SD38934  Rumex crispus Edith A. Purer 1931-3-12 1011 Los Angeles Near El Segundo, roadside Comment
  UC6945  Rumex hymenosepalus J. Burtt Davy May 9 1896-May 24 1896 2591 Los Angeles Leonis Valley Antelope Valley Comment
  UCR67324  Rumex hymenosepalus Ed LaRue, R. Montijo 1991-4-3 91- 16 Los Angeles Western Mojave Desert, Palmdale; south of Avenue M and east of Sierra Hwy; north of Air Force Plant 793 Comment
  UC520379  Rumex maritimus Louis C. Wheeler 1932-9-19 1394 Los Angeles Los Angeles River at Los Feliz Blvd Los Angeles River 121 Comment
  RSA0091086  Rumex salicifolius R. G. Swinney 2011-6-29 15357 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA601573  Sagina apetala L. C. Wheeler 1967-6-16 9846 Los Angeles San Gabriel Mountains: Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  UCLA55091  Salazaria mexicana A. Handschiegl 1925-5-17 Los Angeles Little Rock Creek Comment
  RSA648298  Salazaria mexicana Mark Hotchkiss 1977-5-20 s.n. Los Angeles San Gabriel Mtns. Batchelder Ranch. 1311 Comment
  UC7478  Salicornia subterminalis J. Burtt Davy May 9 1896-May 24 1896 2570 Los Angeles Bell's Alkali Flat Antelope Valley, West Palmdale Comment
  RSA678871  Salicornia virginica Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  UCR65204  Salicornia virginica F. R. Fosberg 1931-7-15 S- 05426 Los Angeles Santa Catalina Island, Isthmus 5 Comment
  RSA478897  Salicornia virginica Robert Gustafson 1980-8-29 1865 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC103144  Salix bonplandiana A. D. E. Elmer 1902-6-1 3673 Los Angeles Lancaster Comment
  RSA524174  Salix exigua Tim S. Ross, Steve D. Boyd 1990-6-6 2873 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  JEPS14843  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4646 Los Angeles San Francisquito Canyon 800 Comment
  JEPS14844  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4645 Los Angeles San Francisquito Canyon 800 Comment
  LA52064  Salix laevigata Carl Epling; L. Ellison 1930-3-1 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA161232  Salix laevigata Peter H. Raven 1962-5-20 17790 Los Angeles Cape Canyon, Santa Catalina Island. Comment
  RSA6438  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon. 15 Comment
  SBBG59088  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles lower Topanga Cyn 15 Comment
  UC482206  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km. w Ocean Beach; Santa Monica Mts., Lower Topanga Canyon 15 Comment
  POM122886  Salix lasiolepis Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  RSA167828  Salix lasiolepis Robert F. Thorne, Percy C. Everett 1964-2-7 33489 Los Angeles Santa Catalina Island. Upper end of lake, Middle Canyon Ranch. 198 Comment
  RSA228996  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38861 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  SBBG57878  Salix lasiolepis F. R. Fosberg 1932-3-3 7410 Los Angeles Agoura (Picture City) Comment
  UC483057  Salix lasiolepis F. R. Fosberg 1932-11-26 7172 Los Angeles top of grade between Calabasas and Agoura Comment
  UCR258581  Salix lasiolepis R. G. Swinney 2010-4-23 12362 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR271867  Salix lasiolepis R. G. Swinney 2011-6-23 15318 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  CAS-BOT-BC128512  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1931-11-15 4 Los Angeles Santa Monica Mountains - at foot of coastal headland near mouth of Topanga Canyon 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
  SBBG44384  Salsola tragus G. Sphon, D. Hearn 1956-5-30 9 Los Angeles Black Butte, Antelope Valley Comment
  SFV22129  Salsola tragus V. Soza, L. Gross, M. Sripracha 2001-7-20 1358 Los Angeles Verdugo Mountains Whiting Woods Mountainway junction with Verdugo Mountain Mountainway, near radio facilities. Southeast-facing slope alongside paved road to radio facilities. 854 Comment
  UC1136476  Salsola tragus H. S. Yates 1936-8-28 6354 Los Angeles 3 mi. w. Lancaster; Elizabeth Lake Quad. Comment
  RSA0027461  Salsola tragus April Garbat 2012-8-5 1 Los Angeles Shortcut Saddle at the large turnout where the San Gabrielino Trail crosses Highway 2, in Angeles National Forest. Near the recreation fee sign. Comment
  RSA733721  Saltugilia splendens subsp. grantii R. G. Swinney 2000-6-25 7802 Los Angeles San Gabriel Mtns.: ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  RSA145218  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 789 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA401635B  Salvia apiana William Emboden 1970-6-12 7 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA411293  Salvia apiana Ruth E. Eaton 1956-7-15 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA772281  Salvia apiana R. G. Swinney 2009-5-9 10703 Los Angeles Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  RSA9744  Salvia apiana Louis C. Wheeler 1932-5-21 725 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  UCR260798  Salvia apiana R. G. Swinney 2010-8-9 13470 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA442819  Salvia apiana William Emboden 1969-5-28 2 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA785722  Salvia apiana Doris Bowers 1957-6-22 305 Los Angeles Arroyo Seca, Pasadena 457 Comment
  SEINET12344298  Salvia apiana Unknown 1983-7-20 15801 Los Angeles canyon between chapel & gymnasium, Webb School, Claremont Comment
  HSC24297  Salvia carduacea Nels Rinden 1971-5-2 35 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 on 167th St. in Mojave Desert 976 Comment
  SBBG44375  Salvia carduacea G. Sphon, D. Hearn 1956-5-30 19 Los Angeles Black Butte, Antelope Valley Comment
  UCSB5756  Salvia carduacea Ellis, Richard 1960-4-1 Los Angeles Hwy 138; 18 mi SE of Jct with Hwy 6 Comment
  RSA0047408  Salvia columbariae R. G. Swinney 2010-3-10 11827 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  UC1211153  Salvia columbariae Huron H. Smith 1912-4-23 4817 Los Angeles Eagle Rock 213 Comment
  UCR124616  Salvia columbariae I. W. Clokey, B. C. Templeton 1929-1 4495 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA150836  Salvia columbariae Peter H. Raven 1962-5-9 17688 Los Angeles Head of canyon just north of Gray, San Clemente Island. 488 Comment
  LA86117  Salvia dorrii var. pilosa W. A. Jr. Emboden; 1962-4-28 2052 Los Angeles San Gabriel Mountains, Reservoir road 1.5 mi. from Highway 135, Little Rock Comment
Read comments
Oct 13 2014
  RSA11044  Salvia dorrii var. pilosa Carl B. Wolf 1928-3-29 1550 Los Angeles Foothills at south side of Antelope Valley. 2 miles south of Neenach. 1067 Comment
  SD253492  Salvia dorrii var. pilosa R. G. Swinney 2011-4-1 14315 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 270 Comment
  SBBG51258  Salvia leucophylla J. Doty 1969-5-16 672 Los Angeles 1.4 mi N of jct with Violin Cyn Rd, 7.7 mi N of Castaic Junction 396 Comment
  UC1124766  Salvia leucophylla F. H. Raymond 1930-1-6 18 Los Angeles Escondido Canyon; Triunfo Pass Quad. 335 Comment
  POM9157  Salvia leucophylla P. A. Munz 1921-2-26 4683 Los Angeles South Hills (San Jose Hills) 5 miles east of Brea Canyon. 305 Comment
  CAS-BOT-BC228569  Salvia mellifera Timothy S. Ross; Steve Boyd 1994-5-10 7703 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC233313  Salvia mellifera R. F. Hoover 1968-6-6 11149 Los Angeles Summit of Santa Monica Mts. just west of Sepulveda Blvd. Comment
  LA82007  Salvia mellifera Elizabeth Epling; Juddy Epling 1937-8-20 Los Angeles Santa Monica Mountains Comment
  RSA434130  Salvia mellifera Betty Munson 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA578097  Salvia mellifera Tim S. Ross, Steve D. Boyd 1994-5-31 7703 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  RSA654073  Salvia mellifera Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 736 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy 427 Comment
  UC1595234  Salvia mellifera Tim Ross and Peter Fritsch 1990-6-20 3601 Los Angeles near confluence of East and West Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  VVC3383  Salvia mellifera Tim Thomas 1973-5-1 18 Los Angeles Transverse Range, Santa Monica Mountains, upper Cold Creek Road. 267 Comment
  RSA166502  Salvia spathacea W. G. Webb 1934-12-31 s.n. Los Angeles Eagle Rock. Comment
  RSA477566  Sambucus mexicana Gale Sphon 1955-4-4 s.n. Los Angeles Mulholland Drive. Comment
  RSA658421  Sambucus mexicana Erinn Wilson 1996-5-3 3 Los Angeles G canyon on Cal Poly Campus Pomona Comment
  RSA0036167  Sambucus mexicana Bill Duval s.n. Los Angeles Montrose. 60 Comment
  CAS-BOT-BC238717  Sambucus nigra subsp. caerulea John I. Carlson 1914-4-21 s.n. Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC238722  Sambucus nigra subsp. caerulea Alice Eastwood 1919-7-4 9296 Los Angeles Santa Monica Canyon, Los Angeles Comment
  CAS-BOT-BC238730  Sambucus nigra subsp. caerulea Le Roy Abrams; E. A. McGregor 1908-6-11 193 Los Angeles Piru Creek, between Mutau Flat and Lockwood Valley Comment
  OBI19618  Sambucus nigra subsp. caerulea Rimo Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak flat Public CAmp, Angeles Natl Forest, just off U.S. 99 853 Comment
  SBBG95262  Sambucus nigra subsp. caerulea M. B. Dunkle 1928-5-28 1984 Los Angeles Avalon Cyn 38 Comment
  RSA460825  Samolus parviflorus Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  SBBG95205  Sanicula arguta M. B. Dunkle 1928-3-31 1775 Los Angeles Campo Blanco 182 Comment
  UC1348871  Sanicula arguta Robert F. Thorne 1966-4-28 36201 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, along road to Renton Mine Pebbly Beach Canyon; Santa Catalina Island, Pebbly Beach Canyon 243 Comment
  SBBG131567  Sanicula arguta S. A. Junak 2000-4-15 SCa 1203 Los Angeles Avalon Cyn, on W side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 478 Comment
  POM3416  Sanicula bipinnata I. M. Johnston 1918-5-19 2003 Los Angeles Hills south of Pomona 366 Comment
  POM3424  Sanicula bipinnata C. F. Baker 1907-5-6 4775 Los Angeles Hills near Pomona. Comment
  UCR205074  Sanicula crassicaulis R. G. Swinney 2008-4-9 8619 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UC1605260  Sanicula graveolens Timothy S. Ross, Steve Boyd 1994-5-25 7901 Los Angeles Liebre Mountains, West Summit of Liebre Mountain, 100 m s of the intersection of sections 3, 4, 9, and 10 Liebre Mountain; Liebre Mountains, Liebre Mountain 1684 Comment
  UCR192851  Sarcodes sanguinea R. G. Swinney 1998-7-14 6446 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR143417  Satureja douglasii F. R. Fosberg 1931-4-28 S- 4702 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest, Middle Ranch Canyon 180 Comment
  UC447160  Satureja douglasii J. Ewan 1929-6-22 1258 Los Angeles Rogers Canyon Santa Monica Mts. (near stream) Comment
  RSA458886  Saxifraga californica G. Hasse 1908-3-1 1788 Los Angeles Topanga Canyon. Comment
  RSA750835  Schedonorus arundinaceus R. G. Swinney 2005-8-9 8409 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA589505  Schismus arabicus E. Kellogg 1992-6-12 s.n. Los Angeles San Clemente Island, USGS San Clement Island N quadrangle, N head of island, S side of landing field at airpoart baggage claim area. 61 Comment
  SBBG128300  Schismus arabicus M. L. Hoefs 1991-4-8 1057 Los Angeles upper Avalon Cyn, below Wrigley Memorial, near drainage channel 143 Comment
  CAS-BOT-BC227221  Schismus barbatus Timothy S. Ross; Steve Boyd 1994-5-4 7627 Los Angeles Liebre Mountains. 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
  LA201029  Schismus barbatus Carl Wishner; 1989-4-12 1557 Los Angeles SIMI HILLS, Liberty Canyon, quarry site 0.25 mi NW of US 101 underpass. 320 Comment
  UC116276  Schoenoplectus acutus var. occidentalis unknown Jun 1919 Los Angeles Compton Comptom Comment
  RSA596985  Schoenoplectus americanus Steve Boyd, Lauren Raz 1996-9-24 8959 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
  SEINET7591454 Image available Schoenoplectus californicus Scott White 1992-1 876 Los Angeles alibu, base of Santa Monica Mountains, just N of Pacific Coast Hwy, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road 91 Comment
  UCR91299  Schoenoplectus californicus B. G. Pitzer, Paul Gomez 1996-4-28 2750 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  LA104168  Scirpus microcarpus David Hollombe; 1985-9-3 sn Los Angeles SANTA MONICA MOUNTAINS, Escondido Canyon, short distance below falls. Comment
  RSA651583  Scirpus microcarpus Marion P. Harthill 1974-5-23 s.n. Los Angeles Crystal Lake Rd., Rt. 39. 1097 Comment
  RSA651584  Scirpus microcarpus Marion P. Harthill 1974-5-23 1513 Los Angeles Crystal Lake Rd., Rt. 39. 1097 Comment
  SBBG128374  Scirpus microcarpus M. L. Hoefs, R. F. Thorne 1975-8-7 823 Los Angeles lower Middle cyn 76 Comment
  UC723815  Scrophularia californica Joseph Andorfer Ewan IV 1933 10920 Los Angeles Higgins Canyon; Santa Monica Mts 304 Comment
  SD231335  Scutellaria mexicana Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 116A Los Angeles Transverse Ranges; San Gabriel Mountains region; N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA729820  Scutellaria siphocampyloides R. G. Swinney 1998-7-6 6275 Los Angeles San Gabriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  LA34730  Scutellaria tuberosa Mary V. Hood; 1944-5-7 44 29 k Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  RSA651610  Secale cereale Harold Mosher 1948-5-4 s.n. Los Angeles On a farm near Littlerock. 2 miles W of Littlerock. 548 Comment
  LA209592  Selaginella asprella Lawrence L. Kiefer; 1966-10-30 2486 Los Angeles San Gabriel Mountains, along trail ca. 0.25 mi SW of summit of Will Thrall Peak 2316 Comment
  LA200009  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-19 1748 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3.5 mi from mouth of canyon. 304 Comment
  LA94003  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-13 1733 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  RSA739724  Selaginella bigelovii John Dittes 2006-11-2 1425 Los Angeles Western Tranverse Range, N slope of Verdugo Mts, In La Tuna Canyon, 3.4 air miles N of Burbank City Hall, 1.1 air mile E by SE of La Tuna Canyon Flood Debris Basin, 2 air mile S of Verdugo Hills High School, slope S of La Tuna Canyon 488 Comment
  UCR210415  Selaginella bigelovii R. G. Swinney 2008-12-6 9965 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA151018  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 15 Comment
  JEPS37251  Senecio californicus F. W. Peirson 1919-3-30 347 Los Angeles Big Tujunga Canyon San Gabriel Mts. 411 Comment
  UC35948  Senecio californicus H. P. Chandler 1897-2-10 Los Angeles Claremont Comment
  CAS-BOT-BC333078  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1961-10-31 6679 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  RSA472953  Senecio flaccidus var. douglasii Geo. C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA472954  Senecio flaccidus var. douglasii A. M. Johnson 1932-5-5 s.n. Los Angeles Campus, U.C.L.A., south end on hillside Comment
  CATA390  Senecio lyonii Mark L. Hoefs 1974-5-2 456 Los Angeles Santa Catalina Island: By road to Isthmus, south of buffalo corrals 213 Comment
  RSA473037  Senecio lyonii M. B. Dunkle 1928-4-10 1822 Los Angeles Johnson's Canyon, Santa Catalina Island. Comment
  SBBG42304  Senecio lyonii M. B. Dunkle 1939-4-2 7203 Los Angeles Southeast Pt Comment
  SDSU496  Senecio lyonii R. M. Beauchamp 1967-1-27 114 Los Angeles East of main Wilson Cove area; San Clemente Island. Comment
  RSA592829  Senecio vulgaris L. C. Wheeler 1967-4-8 9178 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  SFV18452  Senecio vulgaris S. Haennelt 1978-11-2 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Walker Ranch section. Comment
  RSA0056347  Sequoia sempervirens P. R. Brown 1971-4-1 s.n. Los Angeles Pierce College Nature Center, upper end of Canon de Lana. 274 Comment
  UCR99513  Setaria parviflora Steve Boyd, Lauren Raz 1996-10-14 9084 Los Angeles Liebre Mtns., SW end of Quail Lake, in seasonally flooded depression on south side of Hwy 138. 1021 Comment
  SEINET10526757  Setaria parviflora David B. Dunn 1947-7-20 Dunn 2988 Los Angeles Collected at 316 North Avenue 50. Comment
  CAS-BOT-BC240235  Setaria viridis Louis C. Wheeler 1931-9-11 133 Los Angeles 2 mi. NE La Verne 373 Comment
  CATA2993  Sibara filifolia Peter J. Dixon 2015-2-27 025 Los Angeles Santa Catalina Island: Wild Boar Gully, west population (aka western), 303 m SE of northern edge of exclosure. 220m south of Wild Boar Gully Rd. 220 Comment
  RSA596091  Silene antirrhina Timothy S. Ross, Steve Boyd 1995-6-28 8639 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  CAS-BOT-BC387016  Silene gallica Carl B. Wolf 1932-5-11 3545 Los Angeles Santa Catalina Island; W side of Isthmus Harbor 30 Comment
  JEPS79987  Silene laciniata subsp. major C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4747 Los Angeles Bouquet Canyon 750 Comment
  CAS-BOT-BC175149  Silene verecunda Frank W. Peirson 1920-9-15 2284 Los Angeles San Gabriel Mts. Baldy, north slope Comment
  OBI2689  Silene verecunda Wesley O. Griesel 1962-7-27 730 Los Angeles Lodgepole Picnic Area W of Dawson Saddle, San Gabriel Mts 2286 Comment
  RSA656973  Silybum marianum Patricia Kouo 1994-5-13 945129 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the west side of Rosemead Blvd., at the most south lake. Comment
  CAS-BOT-BC74900  Sinapis alba Dr. H. E. Hasse 1890-3-1 s.n. Los Angeles Soldiers Home. Comment
  RSA709955  Sisymbrium altissimum LeRoy Gross 2005-4-28 2149 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
  UCSB2435  Sisymbrium altissimum Wedberg, H. 1958-3-16 Los Angeles 1/2 mile south of intersection of San Diego Freeway and Wilshire Blvd. Comment
  CHSC36044  Sisymbrium irio James Henrickson 1973-6-15 10681 Los Angeles City of Long Beach, along beach near Long Beach Arena. 3 Comment
  RSA0088597  Sisymbrium irio R. G. Swinney 2010-5-4 12546 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  SBBG103668  Sisymbrium orientale S. A. Junak with M. L. Hoefs 1998-3-22 SCa 504 Los Angeles Airport Rd, just E of intersection with Middle Ranch Rd, overlooking head of Swain's (Swain) Cyn 426 Comment
  LA24021  Sisyrinchium bellum C. & M. Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park. Comment
  UCR200200  Sisyrinchium bellum Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 900 Los Angeles Transverse Ranges; 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 488 Comment
  RSA611921  Solanum americanum Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA0100136  Solanum douglasii R. G. Swinney 2011-3-15 14082 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA668159  Solanum douglasii Don Jillson 1961-3-19 s.n. Los Angeles Scholl Canyon. 299 Comment
  CDA39091  Solanum elaeagnifolium Michael O Brien 2013-7-16 s.n. Los Angeles White Oak Farm Unit of Malibu Creek State Park; along Las Virgenes Road. 0 Comment
  RSA0020077  Solanum marginatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37030 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR205722  Solanum marginatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37030 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
  UCR205734  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37018 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
  CAS-BOT-BC156473  Solanum umbelliferum L. Abrams 1899-3-31 342 Los Angeles Sepulveda [Canon] Canyon, Santa Monica Mts. Comment
  POM4257  Solanum umbelliferum W. R. Dudley, F. H. Lamb 1890-6-12 4434 Los Angeles Gorman Station. Comment
  RSA427423  Solanum umbelliferum Donald R. Bissing 1973-3-29 24 Los Angeles Evey Canyon, 1/8 mile from canyon mouth 732 Comment
  RSA427424  Solanum umbelliferum Robin S. Collins 1973-4-9 239 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
Read comments
Aug 7 2013
  RSA427432  Solanum umbelliferum Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  UCR271141  Solanum umbelliferum R. G. Swinney 2011-6-14 15109 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA427400  Solanum umbelliferum Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  SEINET7262138 Image available Solanum umbelliferum W. G. Granert 1965-6-9 s.n. Los Angeles Santa Monica Mountains; Beverly Hills; Ferrari Dr., 0.5 block from jct. with Summit Ridge Road Comment
  RSA381416  Solanum wallacei Robert F. Thorne 1965-5-25 41570 Los Angeles Santa Catalina Island. 1 mile beyond Eagle Nest Lodge, Middle Ranch Canyon Comment
  LA200899  Solanum xanti Jonathan Sauer; D. Bradbury, et. al. 1969-6-4 4584 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. 76 Comment
  RSA0081389  Solidago californica R. G. Swinney 2010-9-13 13809 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  CAS-BOT-BC365993  Sonchus asper Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  POM11349  Sonchus oleraceus F. L. Robinson 1921-3-17 10 Los Angeles Claremont, near the Greek [Theater] Comment
  RSA0054193  Sonchus oleraceus Richard G. Swinney 2010-4-23 12341 Los Angeles San Gabriel Moutains; lower Loop Canyon, 0.2-0.6 miles upstream from Verterans Park, below US Forest Sercive boundary. 549 Comment
  RSA647870  Sonchus oleraceus LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 548 Comment
  UCR41710  Sonchus oleraceus G. R. Ballmer, G. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CAS-BOT-BC374608  Sonchus oleraceus C. W. Tilforth 1969-7-17 210 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  RSA533901  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5151 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage. 1600 ft. SE of the 924'BM at the E end of old airfield landing strip. 250 Comment
  UCD92775  Sorghum halepense M. Vincent 1963-5-6 331 Los Angeles Geyser St. just south of Vanowen St. in Reseda. W.M.C.A. property. Comment
  LA33432  Sorghum halepense Peter H. Raven; 1959-3-1 13817 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  RSA383725  Sparganium erectum subsp. stoloniferum Anonymous s.n. Los Angeles [no locality information provided] Comment
  CAS-BOT-BC235377  Spartina foliosa LeRoy Abrams 1904-9-6 4187 Los Angeles Margins of the bay, San Pedro Comment
  SFV21071  Spergula arvensis subsp. arvensis L. Gross 2001-3-23 350 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest, off of an Edison road (power company) that ends at a pylon. 518 Comment
  SBBG131819  Spergularia S. A. Junak, B. Collins 1991-4-24 SCI- 200 Los Angeles S of Eel Cove Cyn 91 Comment
  SBBG113114  Spergularia bocconi S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 620 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  RSA478016  Spergularia macrotheca M. B. Dunkle 1928-4-11 1853 Los Angeles Near Isthmus, Santa Catalina Island. 5 Comment
  SFV1237  Spergularia macrotheca R. L. Armacost 1960-12-2 1359 Los Angeles Mallibu. Near salt marsh. Comment
  RSA0098529  Spergularia marina Steve Boyd, Orlando Mistretta 1996-5-23 8817 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  SBBG112829  Spergularia marina S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-7-16 SCa 756 Los Angeles N end of salina just inland from mouth of Cherry Cyn 3 Comment
  CAS-BOT-BC390808  Spergularia marina A. J. McClatchie 1893-9-11 469 Los Angeles Catalina Comment
  RSA0092873  Spergularia marina Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-7-16 SCa- 756 Los Angeles Santa Catalina Island: N end of salina just inland from mouth of Cherry Canyon. 3 Comment
  SD69595  Spergularia villosa Robert F. Thorne, P. Everett 1965-5-10 34513 Los Angeles Santa Catalina Island; near upper end of Gallagher Canyon. 424 Comment
  RSA714790  Spinacia oleracea A. C. Sanders 2003-6-19 26984 Los Angeles Western Transverse Range/Santa Clara River Watershed: near mouth of Off-haul Canyon , ca. 1 mile west of Mayo Spur between San Martinez Grand Canyon and the Ventura Co. Line, norht of Hwy 126, Newhall Ranch. 274 Comment
  RSA594561  Sporobolus cryptandrus L. C. Wheeler 1967-7-30 10270 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  UCR186598  Stachys albens T. B. Salvato, Sarah Flack 2007-8-8 3036 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  LA50763  Stachys bullata Peter H. Raven; Henry J. Thompson 1959-10-4 14562 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  SD12589  Stachys bullata Edith A. Purer 1935-5-11 6547 Los Angeles Hillside, Malibou Road. Comment
  UCR222749  Stanleya pinnata R. G. Swinney 2009-4-29 10568 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA82980  Stanleya pinnata G. R. Campbell 1953-11-11 18725 Los Angeles Seedlings taken from Botanic Garden Nursery growing under prop 7060, seed collected 10/01/49 by E C Jaeger in small canyon West of Palms to Pines Hwy, Santa Rosa Mts Comment
  SBBG130883  Stebbinsoseris heterocarpa S. A. Junak 1999-5-7 SCa 903 Los Angeles upper Cape Cyn 509 Comment
  SBBG31047  Stebbinsoseris heterocarpa R. F. Thorne 1966-4-6 35935 Los Angeles ca. 1 mi W of Empire Landing 213 Comment
  RSA0080648  Stellaria media R. G. Swinney 2010-8-9 13482 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA670202  Stellaria media Joseph M. Keefe 2001-3-16 31138 Los Angeles North crest of Poppy Peak, across street from 1622 Poppy Peak Drive; 0.8 mile southeast of The Eagle Rock, Pasadena, CA 91105. 305 Comment
  UCR136828  Stellaria media John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA478170  Stellaria media Ora M. Clark 1929-1-6 1455 Los Angeles Elysian Park, L.A. Comment
  LA9116  Stenotaphrum secundatum Marjorie Bowler; 1937-9-19 Los Angeles SANTA MONICA MOUNTAINS, UCLA Cycad Garden, West Los Angeles. Comment
  CAS-BOT-BC375073  Stephanomeria unspecified Oct 20 5299 Los Angeles Near Long Beach Comment
  RSA302013  Stephanomeria cichoriacea J. R. Shevock 1972-9-16 2269 Los Angeles Along Malibu Creek, Malibu Canyon. 305 Comment
  RSA516971  Stephanomeria cichoriacea R. G. Swinney 1989-5-16 s.n Los Angeles Big Dalton Canyon, Glendora Wilderness Park, 1.6 mi. NE of Glendora Mtn Rd. 457 Comment
  JEPS30656  Stephanomeria diegensis Peter H. Raven and Henry J. Thompson 1958-9-19 13721 Los Angeles Santa Monica Mountains. Along United States Highway 101, 0.2 miles east of turn to Zuma Beach. 45 Comment
  RSA302014  Stephanomeria elata J. R. Shevock 1972-9-30 2298 Los Angeles Point Dume 8 Comment
  UC55086  Stephanomeria exigua subsp. coronaria Miss E. D. Palmer Los Angeles Comment
  RSA787282  Stephanomeria virgata R. G. Swinney 2009-7-29 11408 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA474244  Stephanomeria virgata B. C. Templeton 1966-9-27 s.n. Los Angeles Near Hughes Aircraft. Comment
  UCR209430  Stipa speciosa R. G. Swinney 2008-10-7 9491 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  CATA3508  Stipa tenuissima Julia Parish 2017-11-30 041 Los Angeles Santa Catalina Island: Avalon, minature golf course adjacent to the Tourist Plaza 3 Comment
  UCR18108  Stylocline filaginea O. F. Clarke 1973-4-29 s.n. Los Angeles Mojave Desert, NE corner of county. Hi Vista Comment
  RSA0095247  Stylocline gnaphaloides R. G. Swinney 2011-6-7 15037 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 1585 Comment
  SEINET12102841  Stylomecon heterophylla J. F. Bright 1935-1 1020 Los Angeles Antelope Valley Comment
  RSA70017  Suaeda calceoliformis F. W. Peirson 1918-08 1828 Los Angeles Long Beach Comment
  UCR222989  Suaeda moquinii R. G. Swinney 2009-5-5 10638 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA0016995  Suaeda moquinii Anstruther Davidson 1917-09 3282 Los Angeles [**] Slough, Los Angeles [now Dominguez Golf Course] Comment
  RSA127823  Suaeda moquinii H. J. Thompson 1959-9-6 14373 Los Angeles Mouth of Malibu Creek 6 Comment
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Jun 10 2012
  CHSC4737  Swertia neglecta Mary MacArthur 1967-6-24 51 Los Angeles .7 mi from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National Forest. 1584 Comment
  SBBG118142  Symphoricarpos mollis F. R. Fosberg 1931-3-19 4300 Los Angeles Hamilton Cyn 10 Comment
  POM4396  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles west slope of Baldy 2743 Comment
  UC86808 Image available Symphyotrichum greatae Louis A. Greata Sept. 1900 Los Angeles Pasadena Comment
  JEPS26091  Symphyotrichum subulatum Henry J. Thompson 1959-11-23 3004 Los Angeles Lower Franklin Canyon Reservoir (ne shore) Santa Monica Mountains, Lower Franklin Canyon Reservoir 167 Comment
  RSA587357  Syntrichopappus fremontii Orlando Mistretta 1992-5-4 235 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UC1928590  Syntrichopappus fremontii Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 2 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. 1444 Comment
  UCR125607  Tagetes erecta A. C. Sanders 2003-5-26 26851 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA763513  Tamarix ramosissima R. G. Swinney 2008-11-30 9872 Los Angeles Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  UCR219913  Taraxacum officinale R. G. Swinney, Jane Strong 2009-4-21 10420 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA127800  Taraxacum officinale P. H. Raven, Henry J. Thompson 1959-9-18 14433 Los Angeles Santa Monica Blvd near Beverly Glen Blvd, W Los Angeles. 76 Comment
  SEINET12119845  Tauschia arguta M. E. Jones 1882-1 3027 Los Angeles Pasadena Comment
  UCR194010B  Tauschia parishii R. G. Swinney 1999-5-22 7187 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment