Search Results — 2000 specimen records retrieved (1580 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  RSA384194  Abies concolor Christina Clark 1928-10-14 1957 Los Angeles Mt. San Antonio Comment
  UC557644  Abronia maritima Nell Murbarger 1936-4-1 163 Los Angeles San Clemente Island Comment
  PASA580  Abronia pogonantha Margaret Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
Read comments
Sep 5 2014
  SBBG69890  Abronia pogonantha R. Hoffmann 1929-5-7 Los Angeles Palmdale Comment
  UC310272  Abronia umbellata P. A. Munz 1923-4-8 6607 Los Angeles San Clemente Island Comment
  SBBG105345  Abronia umbellata R. M. Beauchamp 1976-5-22 4139 Los Angeles S of Eel Pt Cyn 21 Comment
  UC56248 Image available Abronia umbellata subsp. variabilis Ernest Braunton 1902-5-25 258 Los Angeles Redondo; ; Redondo, Los Angeles Comment
  RSA248012  Abronia villosa Robert F. Thorne, Gary D. Wallace 1973-4-24 43449 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA596219  Acamptopappus sphaerocephalus var. hirtellus T. S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3402 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  CAS-BOT-BC412573  Acanthoscyphus parishii var. parishii I. M. Johnston 1925-7-8 5292 Los Angeles Baldy Lookout, San Antonio Mts 1737 Comment
  CAS-BOT-BC412575  Acanthoscyphus parishii var. parishii R. F. Thorne; L. E. DeBuhr 1972-8-18 42257 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E. from peak of Mt. Islip 2407 Comment
  LA49826  Acer macrophyllum J. A. Ewan; 1929-5-18 1254 Los Angeles 365 Comment
  UCR104747  Acer macrophyllum David Charlton 1989-4-30 2975 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  RSA0112562  Achillea millefolium R. G. Swinney 2011-6-15 15194 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0035184  Achillea millefolium var. californica James S. Burns 1992-5-11 27 Los Angeles 1.5 miles west on Rincon fire road from east access, Angeles National Forest. 762 Comment
  POM353048  Achnatherum coronatum L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA585937  Achnatherum coronatum Timothy S. Ross, Steve Boyd 1990-5-23 2642 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1524 Comment
  RSA249795  Achnatherum speciosum R. F. Thorne 1973-5-11 43485 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
  SBBG38867  Acmispon argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles China Pt, Pyramid Cove [ISOTYPE: Lotus argophyllus var. argenteus] Comment
  SBBG98425  Acmispon argophyllus var. argenteus T. Ross 1991-5-22 5454 Los Angeles Spray Pt, ca. 5300 ft N of Eel Pt 9 Comment
  SJSU13302  Acmispon argyraeus C. W. Sharsmith 1940-8-29 4231 Los Angeles head opf Eaton Canyon, San Gabriel Mts 1371 Comment
  SDSU19964  Acmispon maritimus S. H. Bullock 1968-4-6 41 Los Angeles Claremont north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  SBBG108970  Acmispon micranthus S. A. Junak 1997-4-8 SCl 789 Los Angeles just N of upper portion of Wall Rock Cyn 310 Comment
  SBBG67987  Acmispon wrangelianus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
Read comments
Sep 20 2009
  CATA3106  Acourtia microcephala Amy Catalano, C. Matt Guilliams 2016-5-12 110 Los Angeles Santa Catalina Island: Ridgetop southeast of Whites Landing 25 Comment
  LA105116  Acourtia microcephala Barry A. Prigge; 1988-7-9 8268 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, 0.4 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School. 377 Comment
  UC625123  Acourtia microcephala F. R. Fosberg 1931-5-18 S 4905 Los Angeles near mouth Cottonwood Canyon; Southern California, Santa Catalina Island 60 Comment
  RSA652780  Acourtia microcephala Monica Acosta 1998-5-19 39 Los Angeles The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  UCR186797  Adenostoma fasciculatum Gary Kovnat, LeRoy Gross 2003-4-5 36 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone Comment
  RSA563495  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, W. Appleby 1993-5-13 7120 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  UCR270903  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-26 14872 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  SD81711  Adiantum aleuticum Louis C. Wheeler 1931-7-3 Los Angeles Fern Canyon, San Antonio Mountains 915 Comment
  RSA727271  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6154 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  SD112340  Adiantum capillus-veneris Darley F. Howe 1915-3-1 25 Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC65637  Adiantum jordanii Geo. B. Grant 1904-4-20 s.n. Los Angeles Catalina Island Comment
  CATA1017  Adiantum jordanii Mark L. Hoefs 1995-5-4 1932 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  SBBG98250  Aeonium arboreum A. C. Sanders 1988-2-3 7597 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  RSA627493  Ageratina adenophora Louis C. Wheeler 1947-4-27 6470 Los Angeles Mountain Cave: 1 mile south of Monrovia. Comment
  UCR202722  Agrostis R. G. Swinney, Cody Clarke 2001-8-22 8082 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA0080747  Ailanthus altissima R. G. Swinney 2010-6-23 13368 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  SEINET3480393  Albizia julibrissin Unknown Unknown Los Angeles Los Angeles, Los Angeles Comment
  RSA453110  Alchemilla occidentalis Louis Greata 1900-05 s.n. Los Angeles Garvanza Comment
  CHSC26036  Aliciella latifolia J. Baltierra 1971-5-2 23 Los Angeles 15 miles East of Palmdale at Lovejoy Buttes in Mojave Desert. 914 Comment
  UCR272586  Allium burlewii R. G. Swinney 2011-6-7 15024 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  POM122174  Allium fimbriatum var. fimbriatum Marion Hill 1926-5-9 s.n. Los Angeles Mohave Desert on road from Swartout [1942: Big Pines] Comment
  UCR188654  Allium haematochiton R. G. Swinney 1990-3-23 1542 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  SD86320  Allium praecox R. Mitchel Beauchamp, M. Douglas 1972-3-24 3243 Los Angeles In clay soil above Wilson Cove, San Clemente Island. 60 Comment
  UCR68850  Allium praecox Steve Boyd, T. S. Ross, Peter Fritsch 1990-4-6 4176 Los Angeles San Clemente Island, East side of the island, steep slope 0.2 mi south of US Navy site called 'Jack'. 152 Comment
  RSA71859  Allophyllum divaricatum F. W. Peirson 1923-10-26 293 Los Angeles Big Dalton Canyon, San Gabriel Mountains. 762 Comment
  UCR200169  Allophyllum divaricatum Valerie Soza, Laura A. Moore 2000-5-10 851 Los Angeles Transverse Ranges; 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, W of peak ''1936'' 564 Comment
  UCR276744  Allophyllum divaricatum R. G. Swinney 2010-8-11 13498 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UC440420  Allophyllum glutinosum Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mts., Topango Canyon Comment
  RSA641298  Allophyllum integrifolium Orlando Mistretta, R. T. Hawke 1995-6-29 1860 Los Angeles San Gabriel Mountains: Lightening Ridge Trail, Blue Ridge. Comment
  CAS-BOT-BC170981  Alnus rhombifolia Geo. B. Grant 1901-6-1 36 Los Angeles Pasadena Cal. South Central part of California 1524 Comment
  CAS-BOT-BC170982  Alnus rhombifolia W. H. Brewer 1861-1-4 107 Los Angeles San Gabriel Comment
  SEINET13203202 Image available Alnus rhombifolia R. G. Swinney 2011-1 15859 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  SBBG112923  Amaranthus albus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-10-22 SCa 825 Los Angeles Cherry Cove near buildings at Boy Scout Camp Comment
  UC465922  Amaranthus albus George B. Grant and Walter Wheeler 1904-5-7 38 a Los Angeles Glendora Comment
  UCR205659  Amaranthus blitoides A. C. Sanders, T. B. Salvato 2009-5-20 36875 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  UCR216882  Amaranthus blitoides R. G. Swinney 2009-3-13 10110 B Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA598953  Amaranthus blitoides R. G. Swinney 1989-7-12 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Mouth of Lewis Paul Canyon. 502 Comment
  RSA402985  Amaranthus deflexus Robert Gustafson 1981-8-7 2344 Los Angeles Ballona Wetlands, area 2 Comment
  CDA3276  Amaranthus retroflexus L. C. Wheeler 1973-8-2 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Coulter Reservoir, Sunset Ridge. Comment
  SBBG13279  Amblyopappus pusillus M. A. Piehl 1962-6-7 62357 Los Angeles China Pt, S of lighthouse 3 Comment
  SBBG61232  Ambrosia acanthicarpa M. N. Ackley -Oct-1927 246 Los Angeles Eagle Rock 213 Comment
  SBBG17774  Ambrosia chamissonis P. H. Raven 1962-4-11 17288 Los Angeles N of a point W of Wall 2 30 Comment
  UCSB7139  Ambrosia chamissonis Haller, John 1950-5-29 Los Angeles Playa Del Rey Comment
  RSA416919  Ambrosia chamissonis M. B. Dunkle 1939-4-6 7286 Los Angeles San Clemente Island. Back Beach, Mosquito Harbor Comment
  CAS-BOT-BC55599  Ambrosia psilostachya Carl B. Wolf 1932-9-16 4100 Los Angeles Bryant Ranch. 100-150 ft. W of state highway, at extreme SE corner of Pacific Western Oil Co. lease 3 Comment
  UCR220155  Ambrosia salsola R. G. Swinney 2009-4-2 10268 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCSB2964  Amorpha californica Wedberg, Lee 1954-5-17 Los Angeles Griffith Park 243 Comment
  RSA0088261  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  UC78276  Amsinckia intermedia Blanche Trask 1900-5-1 Los Angeles Avalon; Santa Catalina Island Comment
  RSA0118843  Amsinckia retrorsa A. C. Sanders 2008-4-10 34788 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  RSA0091517  Amsinckia tessellata R. G. Swinney 2011-4-20 14431 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA772295  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles summit of Mt. Emma 1585 Comment
  UCR223101  Amsinckia tessellata R. G. Swinney 2009-5-12 10730 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR95443  Amsinckia tessellata L. C. Wheeler 1967-5-9 9401 Los Angeles San Gabriel Mtns., Gleason Canyon, south of Aliso Canyon 1006 Comment
  UCD168355  Amsinckia tessellata var. tessellata J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA0089138  Anagallis arvensis R. G. Swinney 2010-5-7 12593 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA674693  Ancistrocarphus filagineus Scott D. White, S. Leatherman, David E. Bramlet, A. Oneal, W. Sangkatavat 2001-4-24 8412 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  RSA653387  Andropogon glomeratus var. scabriglumis LeRoy Gross 2000-8-25 264 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. 324 Comment
  RSA729661  Antennaria dimorpha R. G. Swinney 1998-7-2 6259 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.6 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2134 Comment
  CATA1515  Anthemis cotula Mark L. Hoefs, Steven A. Junak 1996-7-9 2733 Los Angeles Santa Catalina Island: By Lower Cape Canyon Reservoir, Cape Canyon 237 Comment
  POM307080  Anthemis cotula Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1926 Los Angeles Between Walnut and Covina, near State school. Comment
  UCR206472  Anthriscus caucalis A. C. Sanders, T. B. Salvato 2009-5-19 36833 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA11019  Antirrhinum coulterianum Carl B. Wolf 1928-4-1 1609 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UCR119055  Antirrhinum coulterianum Jeremiah George 2001-4-27 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Palos Verdes Estates 30 Comment
  JEPS15489  Antirrhinum kelloggii Peter H. Raven 1956-6-17 9414 Los Angeles nw of Sunset Boulevard (at Sepulveda Boulevard); Santa Monica Mountains Comment
  UCSB33668  Antirrhinum kelloggii Griesel, Wesley 1962-3-31 Los Angeles Cornell Post Office; Santa Monica Mts 152 Comment
  CATA2975  Antirrhinum nuttallianum Peter J. Dixon 2015-2-17 003 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. 137 Comment
  RSA156063  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-5-20 17779 Los Angeles Santa Catalina Island. Near Bird Park, Avalon Comment
  RSA177679  Aphanisma blitoides R. F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 45 Comment
  CHSC95444  Apocynum cannabinum LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Vergen 2003-6-19 1109 Los Angeles Transverse Ranges: Verdugo Mountains region: 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
  RSA403094  Apocynum cannabinum Anstruther Davidson 1902-5-1 1098 Los Angeles Riveria Comment
Read comments
Sep 11 2007
  POM366914  Aquilegia formosa Geo. L. Moxley 1915-7-4 360 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCR178175  Arabidopsis thaliana LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 729 Los Angeles Transverse Ranges: Verdugo Mountains, SW-trending ridge east of the Brand Canyon Cemetery and west of the land fill; lower part of Brand Park Motorway 307 Comment
  UC10123  Arabis glabra State Survey 1862-5-3 572 Los Angeles San Antonio River Comment
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Jan 20 2011
  RSA518004  Arabis pulchra Steve Boyd, Orlando Mistretta 1986-3-31 1531 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UC586912  Aralia californica Joseph Andorfer Ewan 1934-8-2 8466 Los Angeles foot of Baldy Trail vicinity of Bear Flats Ranger Station; San Gabriel Mts., San Antonio Canyon 1371 Comment
  CAS-BOT-BC128634  Arbutus menziesii Le Roy Abrams 1901-4-13 1515 Los Angeles Wilson's Trail 914 Comment
  OBI30081  Arbutus menziesii Ted L. Hanes 1967-3-2 s.n. Los Angeles Pine Mountain Truck trail, 6 mi SE Rincon, San Gabriel Mts 1067 Comment
  RSA188067  Arctostaphylos catalinae R. F. Thorne 1966-4-29 36318 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake. 411 Comment
  RSA631220  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21971 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA626783  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20210 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626803  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22104 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  SD230216  Arctostaphylos glandulosa subsp. glaucomollis Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: West side of divide north of Smith Mountain, on Bear Creek Trail. 1310 Comment
  RSA247421  Arctostaphylos glandulosa subsp. mollis Jack Delaini, Barbara Shervanick 1974-3-22 81 Los Angeles Lodi Canyon, San Dimas Experimental Forest 747 Comment
  RSA626716  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-6-18 15601 Los Angeles Clear Creek Vista on Angeles Crest Hwy. San Gabriel Mtns. 1130 Comment
  RSA631213  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21973 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  CAS-BOT-BC39304  Arctostaphylos glauca Joseph Andorfer Ewan 1937-8-15 10960 Los Angeles San Gabriel Mts., Jct. of no. fork with west fork of San Gabriel River. 518 Comment
  POM367310  Arctostaphylos glauca I. M. Johnston 1930-2-9 4000 Los Angeles Burkhart Ranch 1220 Comment
  RSA250432  Arctostaphylos glauca R. F. Thorne 1967-3-23 41614 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
  RSA631455  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16037 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631683  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15694 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  UC450794  Arctostaphylos glauca Fay A. McFadden 1931-4-25 2934 Los Angeles half way to ridge (old road to Burbank); Verdugo Hills, Tuna Canyon Comment
  UCSB4736  Arctostaphylos glauca Wilson, Richard 1958-5-10 Los Angeles 6 miles N of Foothill Blvd. on Angeles Crest Highway, San Gabriel Highway 914 Comment
  RSA0079931  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15793 Los Angeles San Gabriel Canyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mountains. 900 Comment
  RSA0087355  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15815 Los Angeles San Gabriel Canyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mountains. 900 Comment
  RSA128277  Arctostaphylos glauca var. glauca H. J. Thompson 1959-3-27 1883 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak, 701 Comment
  RSA230250  Arctostaphylos parryana R. F. Thorne 1969-7-2 38333 Los Angeles Cortelyou Spring ca. 1 mile E of Islip saddle, on Angeles Crest Hwy. 2072 Comment
Read comments
Aug 20 2013
  RSA634736  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20605 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634904  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20550 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635053  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20359 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635126  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20293 Los Angeles Road to Mt. Gleason, 1 km west of Mill Creek Summit, San Gabriel Mtns. 1550 Comment
  RSA635162  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20276 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  RSA635180  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20463 Los Angeles N of Angeles Crest Hwy, on road to Sulphur Springs, N of Chilao., San Gabriel Mtns. 1200 Comment
  POM162487  Arenaria macradenia var. arcuifolia F. W. Peirson 1929-7-1 8430 Los Angeles Aliso Creek at Tie Canyon. 1356 Comment
  SBBG70088  Argemone munita R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  CATA131  Artemisia californica Mark L. Hoefs, A. Douglas Propst 1973-3-14 99 Los Angeles Santa Catalina Island: Cape Canyon 289 Comment
  RSA417231  Artemisia californica House, Grumbles 1930-5-13 8 Los Angeles San Clemente Island Comment
  UC149246  Artemisia douglasiana LeRoy Abrams 1902-8-16 2955 Los Angeles near Mesmer Comment
  CAS-BOT-BC93827  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8222 Los Angeles Liebre Mountains - Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua 740 Comment
  RSA94194  Artemisia ludoviciana subsp. ludoviciana F. W. Peirson 1923-9-1 4028 Los Angeles San Gabriel Mountains 2011 Comment
  SD68986  Artemisia nesiotica Peter H. Raven 1962-4-10 17190 A Los Angeles San Clemente Island 105 Comment
  SBBG62455  Artemisia spinescens Anstruther Davidson 1893-1 Los Angeles Lancaster Comment
  SD112802  Artemisia tridentata subsp. parishii Darley F. Howe 1957-11-24 2589 Los Angeles 1/2 mole east of Newhall on Placerita Canyon Road Comment
  RSA70336  Asclepias californica F. W. Peirson 1929-7-1 8449 Los Angeles Mt. Pacifico. 1905 Comment
  UCR209900  Asclepias eriocarpa R. G. Swinney 2008-7-24 9271 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  LA50695  Asclepias fascicularis Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA616141  Asclepias vestita L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  SBBG58656  Asclepias vestita R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  UC62727  Aspidotis californica Geo. B. Grant 1901-1 248 Los Angeles Santa Monica Range Comment
  RSA417650  Aster subulatus var. ligulatus L. C. Wheeler 1933-9-28 2140 Los Angeles Puddingstone Diversion Channel, La Verne. 305 Comment
  LA31682  Aster subulatus var. ligulatus Peter H. Raven; Henry J. Thompson 1959-9-6 14366 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 6 Comment
  RSA639708  Astragalus bicristatus L. C. Wheeler 1968-7-15 s.n. Los Angeles San Gabriel Mountains: Fork to Guffy Camp, Blue Ridge. Comment
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Sep 19 2018
  RSA670635  Astragalus bicristatus B. C. Templeton 1932-5-31 4854 Los Angeles West Blue Ridge, Big Pines Camp. Comment
  UCD50216  Astragalus brauntonii Glen Holstein 2004-4-17 s.n. Los Angeles Along an unpaved fire access road in Santa Ynez Canyon, Pacific Palisades districts, city of Los Angeles, Los Angeles County. The fire access road extends north from Michael Lane to a summit ridge at the upper end of Santa Ynez Canyon. One individual was observed along the access road 100 m north and uphill from Michael Lane. Approximately 10 more were observed along the access road 0.6 k north and uphill from Michael Lane near a sign marking the border of Topanga State Park. Comment
  UCR155371  Astragalus didymocarpus A. C. Sanders 2005-5-5 29919 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  LA210439  Astragalus douglasii T. R. Huggins; 2013-7-29 13- 243 Los Angeles SAN BERNARDINO MOUNTAINS, Angeles National Forest, Big Pines Hwy, ca. 0.7 mi W of the junction with the Angeles Crest Hwy (Hwy 2). 1915.0 Comment
  SD42016  Astragalus douglasii Darley F. Howe 1947-6-1 1581 Los Angeles Tehachapi Mountains Comment
  RSA498266  Astragalus douglasii var. douglasii Geo C. Johnstone 1928-4-28 s.n. Los Angeles Canyon N of Big Pines. Comment
  UC57472  Astragalus douglasii var. douglasii J. H. Barber 1897-6-28 204 Los Angeles Kentucky Springs Comment
  JEPS90981  Astragalus filipes Dean Wm. Taylor with Glenn Clifton, Roy Buck 1989-11-9 10588 Los Angeles Pyramid Lake Transverse Ranges (ruderal site adjacent to parking lot) 838 Comment
  RSA415515  Astragalus gambelianus Anstruther Davidson 1891-6-26 s.n Los Angeles Santa Catalina Island Comment
  UC1349054  Astragalus gambelianus Robert F. Thorne 1966-4-28 36234 Los Angeles w-facing rocky bank near upper end Renton Mine Road in Pebbly Beach Canyon (Santa Catalina Island); , Pebbly Beach Canyon 259 Comment
  UC13368  Astragalus lentiginosus var. variabilis A. Davidson 1893-5-12 Los Angeles Lancaster Comment
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Jun 29 2011
  SD66853  Astragalus nevinii R. Mitchel Beauchamp 1967-3-19 322 Los Angeles San Clemente Island, along the beach at West Cove Comment
  UCR65530  Astragalus nevinii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801- 01 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  UC729813  Astragalus trichopodus var. lonchus Carl B. Wolf 1932-5-10 3528 Los Angeles Summit of the Equestrian Trail back Avalon (Santa Catalina Island); , back of Avalon 304 Comment
  POM26162  Astragalus trichopodus var. lonchus George B. Grant 1901-04 3760 Los Angeles Catalina Island Comment
  RSA580968  Astragalus trichopodus var. phoxus Catherine A. Mish 1995-3-4 30 Los Angeles Santa Susana Mtns., Eddleston Park. 400 Comment
  CAS-BOT-BC168277  Atriplex canescens var. canescens A. D. E. Elmer 1902-6-1 3647 Los Angeles Lancaster Comment
  RSA78896  Atriplex confertifolia E. K. Balls, P. C. Everett 1952-10-3 18006 Los Angeles 2.3mi. N of lancaster, Hwy 6 at jct. with Hwy 138. 762 Comment
  POM246555  Atriplex coulteri F. R. Fosberg 1931-4-16 S 4648 Los Angeles Bulrush Ridge, Santa Catalina Island. 210 Comment
  RSA741476  Atriplex halimus R. E. Riefner 2007-9-23 7 -405 Los Angeles Palos Verdes Peninsula, Palos Verdes Dr. West, vicinity of Bluff Cove to Malaga Cove. 98 Comment
  POM244910  Atriplex lentiformis F. R. Fosberg 1931-5-18 4894 Los Angeles Santa Catalina Island, Little Harbor 2 Comment
  SEINET4135193  Atriplex lentiformis Grant D. Brown 1950-11-24 569 Los Angeles Located 2 miles west of Topanga Canyon at base of coastal bluff.; 0 Comment
  RSA235246  Atriplex lentiformis subsp. breweri E. R. Blakley 1963-12-7 6365 Los Angeles San Clemente Island, mouth of Chenity Canyon in Pyramid Cove 3 Comment
  LA94374  Atriplex leucophylla Norman A. Cole; May 1964 348 Los Angeles 3 Comment
  SEINET3156331  Atriplex leucophylla S. B. Parish Los Angeles Ballona; sea coast Comment
  LA210080  Atriplex nummularia Philip A. Munz; 1932-8-31 12817 Los Angeles Playa del Rey Comment
  UC110281  Atriplex pacifica Katharine Brandegee 1903-10-14 Los Angeles San Pedro Comment
  RSA124914  Atriplex phyllostegia A. G. O Berg 1956-3-28 72 Los Angeles 4 miles S of Kerman, 2 miles W of Madera Road along apron of American R in alkali sink community. Comment
  RSA5979  Atriplex rosea C. B. Wolf 1932-9-13 s.n. Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27., (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  UCD97669  Atriplex rosea Daryl Koutnik 1978-9-3 s.n. Los Angeles northwest of the junction of Saticoy and Winnetka in the San Fernando Valley. 243 Comment
  SBBG53302  Atriplex semibaccata D. M. Power 1972-11-11 Los Angeles W of Wilson Cove Comment
  RSA151254  Atriplex semibaccata P. H. Raven 1962-7-10 17948 Los Angeles Near west shore of island, due west of Wall 2, San Clemente Island Comment
  RSA385397  Avena fatua Albert J. Perkins 1920-02 s.n. Los Angeles Street in western Los Angeles. Comment
  RSA756078  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27131 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  POM155748  Baccharis emoryi M. B. Dunkle 1928-10-7 2009 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 183 Comment
  POM350333  Baccharis emoryi F. R. Fosberg 1930-10-18 641 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  LA200168  Baccharis pilularis Jonathan Sauer; L. Loeher 1973-11-15 5561 Los Angeles 281 Comment
  RSA649916  Baccharis pilularis Matt Brooks 1988-4-15 9 Los Angeles Whittier, Turnbull Canyon Rd. 1.7 miles east of its intersection with Beverly Blvd. Comment
  RSA189407  Baccharis salicifolia L. S. Rose 1966-12-18 66113 Los Angeles Franklin Canyon, Santa Monica Mtns 335 Comment
  RSA598662  Baccharis salicifolia L. C. Wheeler 1966-11-19 9132 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  UCR106302  Baccharis salicifolia B. G. Pitzer 1996-5-5 2865 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UC1552135  Baccharis salicifolia subsp. salicifolia David Charlton 1988-4-2 1480 Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15, Swarthout Valley Rd to end of pavement Cajon Pass 1524 Comment
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Feb 4 2015
  PASA1272  Berberis nevinii Frank W. Peirson 1920-3-28 Los Angeles Arroyo Seco 335 Comment
  RSA85318  Berberis nevinii F. W. Peirson 1920-3-28 646 Los Angeles About halfway between Devil's Gate and the mountains, Arroyo Seco, west of Altadena 335 Comment
  RSA423234  Beta vulgaris F. R. Fosberg 1930-6-26 S 3007 Los Angeles Culver Garden. 15 Comment
  UC40556  Bidens laevis Prof. Brewer 1860-12-24 91 Los Angeles Los Angeles Comment
  CAS-BOT-BC101990  Bidens pilosa LeRoy Abrams 1902-5-31 2484 Los Angeles Inglewood Comment
  RSA582474  Bidens pilosa Timothy S. Ross, Steve Boyd 1993-5-23 7217 Los Angeles Western Arcadia: slope on the N side of the Foothill Freeway (I-210) between Michillinda Avenue and its west-bound off-ramp. 198 Comment
  SEINET3146114  Blepharipappus elegans G. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  UCR282229  Blitum californicum Dan S. Cooper 2016-4-25 416- 31 Los Angeles Los Angeles, Griffith Park, Vermont Canyon 311 Comment
  UC284225  Boechera arcuata P. A. Munz 1923-5-26 6860 Los Angeles Rock Creek San Gabriel Mts. 1767 Comment
  RSA660260  Boechera californica Orlando Mistretta, Peter L. Morrell 1992-6-4 508 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UC196403  Bothriochloa barbinodis Mrs. H. S. Yates 1914-6-6 Los Angeles Pomona Comment
  CATA2043  Bowlesia incana Steven A. Junak, Keri Kirkland 1998-6-11 Los Angeles Santa Catalina Island: E side of island, in lower portion of small canyon just SE of Frog Rock 15 Comment
  UCR76422  Bowlesia incana T. S. Ross, E. Kellogg 1992-4-12 6128 Los Angeles San Clemente Island, Head of Grove Cyn. 459 Comment
  RSA134832  Bowlesia incana P. H. Raven 1960-4-2 14858 Los Angeles Oak Woodland, Old Topanga Canyon 0.9 miles south of Dry canyon road 335 Comment
  RSA729749  Boykinia rotundifolia R. G. Swinney 1999-7-28 7595 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
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Oct 3 2010
  RSA466768  Boykinia rotundifolia Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  RSA638225  Brachypodium distachyon L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, Fishermans Cove: USC Marine lab. 152 Comment
  SBBG132333  Brassica geniculata D. Pivorunas, J. Savaga, J. Lambert, J. Dunn 2003-5-28 7 -2003 Los Angeles below Tota parking lot 350 Comment
  UCR95748  Brassica geniculata L. C. Wheeler 1967-3-3 9171 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  CATA34  Brassica nigra USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 17 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: North, Slope: approx. 35% 41 Comment
  RSA482920  Brassica rapa Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  UCD114824  Brassica rapa Gordon Pilone 1960-3-16 5 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  SD31168  Brassica rapa Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills Comment
  CHSC20919  Brickellia californica Robert A. Schlising 1971-10-28 3007 Los Angeles Lopez Canyon, north of Pacoima. Comment
  SBBG66134  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  SD140210  Brickellia californica Tim Ross, Orlando Mistretta 1990-10-24 3293 Los Angeles San Gabriel Mountains: SW-facing rocky slope between Venedo and Minero Canyons along Upper Monroe Road, 0.6 mile E of the San Gabriel Reservoir. 744 Comment
  PASA2165  Brickellia nevinii Frank W. Peirson September, 1918 Los Angeles Near foot of Mt. Wilson Toll Road 396 Comment
  RSA652955  Brickellia nevinii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23295 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  RSA683894  Brickellia nevinii A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand, et al. 2002-8-8 25578 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon 488 Comment
  SEINET10933498  Bromus berteroanus LeRoy R. Abrams 1903-3-14 Abrams 3132 Los Angeles San Pedro. Comment
  RSA0103371  Bromus carinatus R. G. Swinney 2011-5-19 14760 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Milley's Apple Orchard'? 912 Comment
  SBBG52672  Bromus carinatus F. R. Fosberg 1931-4-3 4484 Los Angeles Pebbly Beach, just above beach near rock crusher in dust and silt from crusher Comment
  CAS-BOT-BC149199  Bromus carinatus var. carinatus Geo. B. Grant 1906-8-1 s.n. Los Angeles Oak Knoll. Comment
  RSA230042  Bromus carinatus var. carinatus R. F. Thorne 1971-6-26 40600 Los Angeles Summit of Mt. Wilson 1738 Comment
  CAS-BOT-BC148876  Bromus carinatus var. marginatus Ernest C. Twisselmann 1959-6-2 5330 Los Angeles Summit of Liebre Mountain. 1645 Comment
  CATA1875  Bromus catharticus Denise Knapp 2001-6-14 Los Angeles Santa Catalina Island: Middle Ranch barn picnic table 0 Comment
  POM13956  Bromus catharticus P. A. Munz 1922-4-15 5142 Los Angeles Claremont. 365 Comment
  CATA685  Bromus diandrus Mark L. Hoefs 1991-4-26 1176 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA747970  Bromus diandrus R. G. Swinney 2003-5-12 8205 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper Dunn Canyon drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
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Mar 20 2013
  SD31186  Bromus diandrus Edith A. Purer 1931-5-12 956 Los Angeles Palos Verdes Hills, waste ground Comment
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Jul 11 2010
  UCR108414  Bromus diandrus Jeanne Gural 1997-3-19 35 Los Angeles Bernard Field Station of the Claremong Colleges. NW corner of Mills Ave. and Foothill Blvd. west of main paved road, north of Foothill Blvd. 412 Comment
  RSA0039738  Bromus diandrus Roxanne Smith 1991-5-21 34 Los Angeles Hills 0.4 mi. south-east of Golden Springs and Diamond Bar Blvd. Comment
  CAS-BOT-BC155584  Bromus grandis LeRoy Abrams 1902-6-29 2600 Los Angeles Summit of Mount Wilson. Comment
  CAS-BOT-BC155386  Bromus hordeaceus Peter H. Raven 1959-4-4 13976 Los Angeles Santa Monica Mountains. Point Dume. Near house beyond point. 21 Comment
  RSA177672  Bromus hordeaceus R. F. Thorne 1965-5-10 34508 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  UC624990  Bromus laevipes F. R. Fosberg 1931-4-7 S 4501 Los Angeles Santa Catalina Island, Hamilton Beach Hamilton Beach; Santa Catalina Island, Hamilton Beach 10 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
  CATA589  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-7 1030 Los Angeles Santa Catalina Island: Upper Avalon Canyon, near road to Divide 344 Comment
  UC1922895  Bromus madritensis subsp. rubens Valerie Soza, Miriam Sidibeh 2003-3-26 1614 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA522339  Bromus pseudolaevipes Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4023 Los Angeles San Gabriel Mountans: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA639185  Bromus rubens L. C. Wheeler 1967-5-15 9552 Los Angeles San Gabriel Mountains: Fremont Pass, north side. 541 Comment
  UCR184222  Bromus tectorum A. C. Sanders 2007-4-19 33442 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA710751  Calandrinia breweri Valerie Soza, Bill Hogshead 2003-4-23 1641 Los Angeles Brand Park, ridgetop between Brand Canyon and Childs Canyon. 640 Comment
  RSA656476  Calandrinia ciliata Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 729 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  RSA610138  Callitriche marginata L. C. Wheeler 1933-4-9 1630 Los Angeles La Verne (Damar Sta.) 274 Comment
  RSA786900  Calocedrus decurrens Doris Bowers 1957-4-27 36 Los Angeles Camp LaVerne, Barton Flats 2134 Comment
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Jul 19 2013
  UCR271865  Calocedrus decurrens R. G. Swinney 2011-6-23 15316 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
  LA210885  Calocedrus decurrens Arthur C. Gibson; Hanan Abels Sullivan, Tarja Sagar 2009-6-19 5252 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, near culvert beneath trail, Buldog Trail. Comment
  SBBG110996  Calochortus clavatus A. Parikh, N. Gale 1998-5-28 LA- 4 Los Angeles N of Triunfo Cyn Rd, near intersection with Kanan Rd, S of Agoura Hills 270 Comment
  RSA0000309  Calochortus clavatus var. gracilis E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  RSA131241  Calochortus clavatus var. gracilis Percy C. Everett, E. K. Balls 1959-6-2 23827 Los Angeles NE of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA758003  Calochortus clavatus var. gracilis D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4251 Los Angeles Bouquet Cyn, 854 m SE of Bouquet Cyn Rd & 579 m S of Hayfork Road. Comment
  UCR88524  Calochortus clavatus var. gracilis Scott D. White, Chet McGaugh 1995-5-16 3074 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  RSA639555  Calochortus venustus Louis C. Wheeler 1967-5-18 9656 Los Angeles Divide between Reynier and Placerita Canyon. 609 Comment
  RSA716618  Calochortus venustus Andrea Edwards, Pam De Vries 2006-5-15 108 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCR155134  Calochortus venustus A. C. Sanders 2005-5-5 29950 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UCR51546  Calochortus venustus K. S. Kamrath 1988-5-28 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest on Pine Canyon Road (Hwy N2), 5 mi east of Three Points 1402 Comment
  CAS-BOT-BC496760  Calochortus venustus S. M. Kaune 1962-6-13 386 Los Angeles ca. 15-20 mi. s. of Tejon Pass; on route toward Castaic; off of Hwy 99; just s. and above Oso canon; sw. end of the Tehatchopi Mtns.; Angeles Nat'l Forest 914 Comment
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 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
  SBBG69699  Calyptridium monandrum M. N. Ackley 1926-5-8 777 Los Angeles Little Rock 914 Comment
  UCR270507  Calyptridium monandrum R. G. Swinney 2011-5-26 14849 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA584971  Calystegia longipes T. S. Ross 1990-6-1 2757 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  CATA1646  Calystegia macrostegia Mark L. Hoefs, Steven A. Junak 1998-6-12 2929 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  LA200374  Calystegia macrostegia subsp. cyclostegia Carl Epling; M. Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCSB6915  Calystegia macrostegia subsp. cyclostegia Haller, Norman 1953-3-4 Los Angeles Faculty Hill, UCLA Comment
  RSA298500  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  RSA735590  Calystegia peirsonii A. Edwards, A. Rudalevige 2008-4-29 124 Los Angeles Transverse Ranges, Santa Susana mtns region, At the Los Angeles County Fire Dept's Del Valle Training Facility. Near center of 24 acre site. 354 Comment
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Aug 11 2014
  RSA657298  Camissonia Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -10 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  RSA729727  Camissonia R. G. Swinney 1999-6-18 7329 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA780996  Camissonia R. G. Swinney 2009-5-27 10908 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA0045426  Camissonia Wendy Boes 2009-3-22 2009 -005 Los Angeles San Gabriel Mountains; Big Dalton Reservoir; Forest Service Road 1N141. 526 Comment
  RSA465665  Camissonia bistorta Howard Mullins 1931-4-15 s.n. Los Angeles Flintridge Comment
  RSA72206  Camissonia bistorta F. W. Peirson 1918-5-26 129 Los Angeles San Gabriel Mountains, Henni[n]gers Flat Comment
  POM50067  Camissonia boothii subsp. decorticans W. R. Dudley, F. H. Lamb 1896-6-12 4438 Los Angeles Gorman's Station Comment
  SFV6454  Camissonia campestris T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 207 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  UCR4030  Camissonia campestris Val Chase 1965-4-12 34 Los Angeles Mojave Desert, 2 mi north of Pinyon Hills on road from Cajon to Palmdale (Hwy 138), roadside to the west 1220 Comment
  RSA596167  Camissonia campestris subsp. campestris Louis C. Wheeler 1967-5-12 9452 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA725110  Camissonia campestris subsp. campestris Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -53 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG60399  Camissonia campestris subsp. campestris R. Hoffmann 1929-5-22 Los Angeles hills above Elizabeth Lake Comment
  CLARK-A1528-3325  Camissonia cheiranthifolia Alfred R. Roos 1956-5-22 Los Angeles 9 Comment
  NY679613  Camissonia cheiranthifolia subsp. cheiranthifolia G. B. Grant 04 1901 3813 Los Angeles Southern California. Comment
  RSA126725  Camissonia cheiranthifolia subsp. suffruticosa Peter H. Raven 1959-3-15 13855 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  RSA597283  Camissonia confusa Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3734 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  RSA600032  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-25 9252 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
  RSA729701  Camissonia hirtella R. G. Swinney 1998-7-27 6507 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  UCR229167  Camissonia hirtella Dan S. Cooper 2011-5-5 511- 58 A Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  RSA595939  Camissonia hirtella Louis C. Wheeler 1967-5-9 9411 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  RSA653130  Camissonia intermedia A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 29188 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation 1000 Comment
  POM75440  Camissonia pallida subsp. pallida F. W. Peirson 1928-6-3 7951 Los Angeles roadside, N slope of Pinyon Ridge, betw Rock Creek and Big Pines, San Gabriel Mts. 1372 Comment
  RSA187795  Camissonia robusta Robert F. Thorne 1966-9-14 36644 Los Angeles Santa Catalina Island: sandy, disturbed area behind Ben Weston Beach 3 Comment
  RSA595932  Camissonia strigulosa Louis C. Wheeler 1967-5-9 9387 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA599608  Camissonia strigulosa Steve Boyd, Lauren Raz 1997-4-16 9502 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 854 Comment
  UCR142764  Camissonia strigulosa L. C. Wheeler 1967-5-9 9387 Los Angeles San Gabriel Mtns., Aliso Canyon, east of Acton, c. 2 mi. downstream from Wagonwheel Ranch 945 Comment
  RSA618100  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR273267  Camissoniopsis R. G. Swinney 2011-5-10 14653 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  LA46660  Camissoniopsis bistorta H. L. Wedberg; 1957-4-6 sn Los Angeles 0 Comment
  UCD103459  Camissoniopsis bistorta Daryl Koutnik 1978-4-14 359 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  UCD103533  Camissoniopsis cheiranthifolia subsp. suffruticosa Daryl Koutnik 1978-3-30 s.n. Los Angeles NW of intersection of Pacific Ave. and Culver Blvd. near base of Ballona Bluffs. 3 Comment
  CAS-BOT-BC160514  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17301 Los Angeles San Clemente Island. Beach behind Northwest Harbor 6 Comment
  LA32208  Camissoniopsis intermedia Henry J. Thompson; 1959-4-12 1926 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 2 mi W of Las Virgenes Rd. 304 Comment
  UCR153487  Cannabis sativa Steve Boyd 2000-5-12 10305 Los Angeles Coastal Plains and Basins, San Bernardino Basin: Claremont, south side of Foothill Blvd. c. 50-100 m east of the intersection with Claremont Blvd. Comment
  RSA279036  Cannabis sativa R. F. Thorne 1971-4-23 41488 Los Angeles San Gabriel Mountains: Angeles National Forest; Chantry Flats, above Santa Anita Canyon. 640 Comment
  SDSU2476  Capsella bursa-pastoris Gerald Collier 1951-3-11 M 199 Los Angeles 3634 Muscatel Ave., Rosemead. 89 Comment
  UCSB2273  Capsella bursa-pastoris Haller, Norman 1953-3-28 Los Angeles 2 blks. West of Sepulveda on Mulholland Dr., Santa Monica Mts. 457 Comment
  CAS-BOT-BC37081  Capsella bursa-pastoris Tim Ross; Steve Boyd 1991-4-25 4616 Los Angeles San Gabriel Mountains. Mouth of Graveyard Canyon (which joins the lower East Fork of the San Gabriel River at 1540 ft.). 481 Comment
  LA204279  Cardamine californica Louis Wheeler; 1932-3-10 462 Los Angeles San Gabriel Mountains, Big Dalton Canyon 426 Comment
  LA51500  Cardamine californica O. H. Kappler; 1943-4-28 375 Los Angeles Santa Monica Mountains, Sepulveda Canyon, Lower end Sepulveda Canyon 152 Comment
  UCSB10190  Cardamine californica H., J. 1941-4-4 Los Angeles San Dimas Canyon trail to flumes 4 and 5; field no. 588 609 Comment
  UC855939  Cardamine californica var. californica I. W. Clokey, E. G. Anderson 1931-3-11 5322 Los Angeles San Gabriel Canyon Comment
  UC1713818  Cardionema ramosissimum I. Johnston 1917-6-10 1268 Los Angeles near Mesmer Comment
  SBBG128024  Carduus pycnocephalus M. L. Hoefs, S. A. Junak 1996-4-30 2682 Los Angeles rd past Parson's jct, toward W end, just before Starlight Beach 152 Comment
  RSA0116655  Carex alma R. G. Swinney 2008-7-2 9135 Los Angeles San Gabriel Mtns.; north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  UCR202747  Carex alma R. G. Swinney 2001-8-27 8089 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  CAS-BOT-BC17667  Carex alma D. E. Breedlove 1961-8-7 926 Los Angeles 3 miles north of Wrightwood on road to Valyermo. 1828 Comment
  POM21249  Carex alma Phillip A. Munz 1923-5-26 6857 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  RSA600844  Carex alma L. C. Wheeler 1966-9-21 8912 Los Angeles San Gabriel Mountains. Vicinity of Lily Spring, northwest slope of Mt. Hawkins. 2468 Comment
  RSA88718  Carex alma F. W. Peirson 1918-5-21 1636 Los Angeles Canyon of Arroyo Seco, near Pasadena. Comment
  SEINET3897003  Carex alma Louis C. Wheeler 1946-5-19 6223 Los Angeles San Gabriel Mountains: Lower rincon. San Gabriel Canyon.; 0 Comment
  CAS-BOT-BC19230  Carex barbarae Ernest Braunton 1903-1-20 802 Los Angeles Oak Knoll. Comment
  CHSC95234  Carex barbarae LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 560 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 295 Comment
  CAS-BOT-BC21310  Carex fracta J. Ewan 1936-7-22 9796 Los Angeles San Gabrel Mountains. Big Pines Meadow. 2072 Comment
  POM11449  Carex praegracilis Phillip A. Munz, R. D. Harwood 1920-3-13 3324 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  UCR278358  Carex spissa Peter F. Zika, Nick Otting 2010-8-7 25306 Los Angeles South Coast, base of San Gabriel Canyon, east side of Route 39 250 Comment
  POM11606  Carex subfusca Phillip A. Munz 1921-6-16 4637 Los Angeles head of Swartout Valley 2073 Comment
  CAS-BOT-BC115635  Carex triquetra George Bernard Grant 1901-8-1 139 Los Angeles Aroyo Seco Canyon. 609 Comment
  CHSC26490  Carpenteria californica James Henrickson 1970-5-2 4659 Los Angeles Cultivated at Rancho Santa Ana Botanic Garden, Claremont. 381 Comment
  RSA636107  Casimiroa edulis Robert F. Thorne 1974-6-1 44710 Los Angeles Claremont. 335 Comment
  LA82058  Castilleja affinis O. H. Kappler; 1946-4-6 1077 Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, French Ranch, W of Lake Sherwood. Comment
  RSA425915  Castilleja affinis T. W. Minthorn 1923-4-3 s.n. Los Angeles Pacoima Wash. Comment
  UCD122179  Castilleja affinis Kenneth A. Wilson 1961-3-7 945 Los Angeles Santa Monica Mtns. Mulholland Hwy about 3 miles west of Las Virgenes Road. Comment
  RSA656854  Castilleja applegatei subsp. martinii Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 993 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy and W of junction with Hostetter Mtwy, above Wildwood Canyon. 884 Comment
  SEINET3448787  Castilleja exserta A. G. Vestal 1947-4-2 Los Angeles Puente Hills, Puente Hills, San Diego Quadrangle (topo map) Comment
  UCR127214  Castilleja exserta A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26278 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
  LA51887  Castilleja exserta subsp. exserta Unknown; 1926-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UC76121  Castilleja exserta subsp. exserta Geo. B. Grant 1902-4-1 885 Los Angeles Pasadena Comment
  RSA400566  Castilleja foliolosa Kenneth A. Wilson 1961-3-11 988 Los Angeles San Francisquito Canyon 1.5 miles south of Green Valley (Spunky Canyon Road). Comment
  UCD122557  Castilleja foliolosa Kenneth A. Wilson 1961-3-11 988 Los Angeles San Francisquito Canyon. 1.6 miles south of Green Valley (Spunky Canyon Road). Comment
  RSA239497  Castilleja grisea E. R. Blakley 1963-12-8 6396 Los Angeles San Clemente Island: canyon head above Mosquito Cove and between Triangulation Points Malo and Chenity 305 Comment
  UC198123  Castilleja linariifolia Katharine Brandegee Aug 1910 Los Angeles Ravenna Comment
  RSA0013592  Castilleja minor Orlando Mistretta, Christine Mistretta 2011-6-30 5780 Los Angeles North Fork Mill Creek; along Forest Road 3N27. 1200 Comment
  POM294191  Castilleja minor subsp. spiralis Lyman D. Benson 1954-6-27 15303 Los Angeles Little Dalton Canyon, above Glendora. 427 Comment
  RSA594636  Castilleja minor subsp. spiralis Steve D. Boyd, Lauren Raz 1996-10-29 9119 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  RSA81474  Castilleja minor subsp. spiralis F. W. Peirson 1951-9-1 211 Los Angeles Arroyo Seco, Pasadena Comment
  SBBG66940  Castilleja plagiotoma R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SBBG125831  Castilleja subinclusa subsp. subinclusa A. Parikh, N. Gale 2010-5-24 3212 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  UC1012095  Castilleja subinclusa subsp. subinclusa Francis W. Pennell 1940-4-18 25136 Los Angeles e of Gorman (Route 99) 1127 Comment
  HSC95566  Caulanthus amplexicaulis John Dittes, Gina Hall 1990-7-19 270 Los Angeles San Gabriel Mtns., N of Kratka Ridge, 1.7 air mi. E of Cloudburst Summit, N of Angeles Crest Hwy., upslope of Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon 1890 Comment
  RSA0086389  Caulanthus amplexicaulis var. amplexicaulis Wandalee Thompson 1963-7-1 32793 Los Angeles Pine Canyon, 3-1/2 miles W of Lake Hughes. 1158 Comment
  UCSB26825  Caulanthus coulteri Flath, Carol 1963-5-3 Los Angeles Mint Canyon Campground, 7.7 miles north of Solemint on U.S. Highway 6 762 Comment
  RSA597771  Caulanthus coulteri var. coulteri Steve Boyd, Lauren Raz 1997-3-14 9183 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  RSA0103473  Caulanthus lasiophyllus R. G. Swinney 2011-5-10 14654 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  RSA718115  Caulanthus major R. G. Swinney 1997-6-13 5570 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  UCR190931  Caulanthus major R. G. Swinney 1998-7-2 6200 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCSB3862  Ceanothus crassifolius Ballard 1955-2-15 Los Angeles Lookout over San Gabriel Peak 914 Comment
  RSA535895  Ceanothus cuneatus Tim S. Ross 1991-9-2 5942 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 541 Comment
  SBBG68374  Ceanothus cuneatus var. cuneatus R. Hoffmann 1932-4-6 Los Angeles Mint Cyn, N of Solemint Comment
  JEPS42304  Ceanothus greggii var. vestitus F. W. Peirson 1919-5-10 415 Los Angeles Mt. Gleason; San Gabriel Mts., Mt. Gleason 1219 Comment
  RSA522332  Ceanothus integerrimus Tim S. Ross 1990-7-10 4031 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
  CAS-BOT-BC50551  Ceanothus leucodermis Timothy S. Ross; Darin Banks 1994-4-13 7533 Los Angeles Liebre Mts. - Lower Clearwater Canyon: ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1 707 Comment
  RSA399122  Ceanothus megacarpus Helen M. Oster 1924-3-22 s.n. Los Angeles Between Vermont and Western Comment
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Feb 17 2015
  LA32017  Ceanothus megacarpus var. megacarpus Peter H. Raven; 1959-2-15 13788 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  SD72859  Ceanothus megacarpus var. megacarpus F. R. Fosberg 1931-3-1 S 4222 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mts. 60 Comment
  RSA0005505  Ceanothus oblanceolatus Hutchinson 1921-5-1 3412 Los Angeles Bouquet Canyon Comment
  CAS-BOT-BC50465  Ceanothus oliganthus Timothy S. Ross 1992-4-21 6226 Los Angeles San Gabriel Mountains: Head of Horse Canyon: N side of Horse Canyon Saddle 987 Comment
  CAS-BOT-BC63310  Ceanothus spinosus Henry J. Thompson 1959-3-27 1891 Los Angeles Santa Monica Mountains. Saddle Peak. 1.5 mi. e. of peak. 731 Comment
  RSA127959  Ceanothus spinosus Peter H. Raven 1959-3-1 13825 Los Angeles Griffith Park, north of junction of Vista del Valle Drive with Hollywood Drive. 396 Comment
  UC310499  Centaurea benedicta Philip A. Munz 1926-5-3 10813 Los Angeles Pomona Junction 304 Comment
  CDA19950  Centaurea maculosa J. Skelton 2002-7-22 PDR 053583 Los Angeles Southern California; Ave G & 210 St W. Los Angeles. 0 Comment
  HSC5242  Centaurea melitensis C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  UCR87151  Centaurea repens R. D. Goeden, J. Teerink 1995-6-15 s.n. Los Angeles Western Mojave Desert, Sierra Hwy, north of Lancaster 701 Comment
  RSA607504  Centaurea repens L. C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach. Comment
  NY43148  Centranthus ruber J. B. Walker 1995-4-8 1418 Los Angeles Santa Catalina Island, 1km S of Avalon 5 Comment
  UCR205570  Centranthus ruber R. G. Swinney 2008-5-30 8873 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UC481041  Centromadia pungens Katharine Brandegee Los Angeles Comment
  RSA747411  Centrostegia thurberi R. G. Swinney 2008-6-9 8962 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC388299  Cerastium glomeratum W. R. Shaw 1901-3-20 453 Los Angeles Claremont 365 Comment
  RSA585030  Ceratonia siliqua Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA453272  Cercocarpus betuloides Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  RSA702180  Cercocarpus betuloides Scott D. White 2004-7-27 10625 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  SDSU8986  Cercocarpus betuloides A. H. Gallup 1947-10-13 63 Los Angeles Below Morris Dam. 732 Comment
  CAS-BOT-BC142127  Cercocarpus betuloides var. betuloides L. R. Abrams 1913-7-18 5012 Los Angeles Russel's Lake Comment
  LA82107  Cercocarpus betuloides var. betuloides O. H. Kappler; 1941-3-15 131 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA598889  Cercocarpus betuloides var. betuloides Steve D. Boyd, Tim S. Ross 1997-3-21 9205 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC1204710  Cercocarpus betuloides var. blancheae Huron H. Smith 1912-6-24 5165 Los Angeles Rock Spring Canyon; Santa Catalina Island, Rock Spring Canyon 304 Comment
  UC1302362  Cercocarpus betuloides var. blancheae Robert F. Thorne and P. C. Everett 1964-2-6 33432 Los Angeles above Airport Road (ene slope of Black Jack Mountain, central part of Santa Catalina Island); Santa Catalina Island, Black Jack Mountain 457 Comment
  LA207897  Cercocarpus ledifolius J. Sauer; A. Ahmed 1977-4-30 5967 Los Angeles San Gabriel Mountains, Big Rock Canyon, N side of San Gabriel Mountains Comment
  UCR141372  Cercocarpus ledifolius R. G. Swinney 1997-8-19 5821 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  POM351652  Chaenactis artemisiifolia N. C. Cooper 1945-5-1 2178 Los Angeles Santa Monica Mtns 762 Comment
  UCSB45419  Chaenactis artemisiifolia Batson, J. 1979-5-12 Los Angeles Highway 23, 2 miles north of its junction with Highway 1 near Malibu, CA 152 Comment
  UCSB10325  Chaenactis fremontii Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of jct. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  SEINET2028559 Image available Chaenactis glabriuscula Fay A. MacFadden 1931-4-15 Los Angeles Tuna Canyon, Verdugo Hills Comment
  UCR205234  Chaenactis glabriuscula R. G. Swinney 2008-3-26 8566 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  CAS-BOT-BC277327  Chaenactis glabriuscula var. glabriuscula Carl B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts., 1/2 mi. E. of Gorman 1158 Comment
  UCR270460  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA239861  Chaenactis santolinoides John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles near the base of Mt. Baden-Powell trail 2194 Comment
  RSA92862  Chaenactis santolinoides F. W. Peirson 1921-6-18 2710 Los Angeles divide north of Mt. Islip 2042 Comment
  UCR220041  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA351848  Chaenactis xantiana Anstruther Davidson, Hasse 1906-6-9 1462 Los Angeles Big Rock Creek. Comment
  RSA772308  Chaenactis xantiana R. G. Swinney 2009-4-28 10539 Los Angeles summit of Mt. Emma 1585 Comment
  UCR141021  Chaenactis xantiana June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  CAS-BOT-BC279713  Chaenactis xantiana Ernest C. Twisselmann 1959-6-2 5333 Los Angeles Liebre Mountain: just below the fire lookout 1478 Comment
  UC1871134  Chamaesyce albomarginata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4804 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA170440  Chamaesyce melanadenia J. D. Olmsted 1958-3-17 59 Los Angeles Johnson's Pasture Road with SW drainage along Thompson Creek 1.25 mi NW of intersection Indian Hill and Baseline, NW of Claremont. 473 Comment
  SBBG67739  Chamaesyce micromera R. Hoffmann 1928-7-8 Los Angeles Rosamond Comment
  RSA578986  Chamaesyce polycarpa var. polycarpa T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7427 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near 154-foot triangulation point, 1875 m SE of Inspiration Point. 21 Comment
  SEINET8671704 Image available Cheilanthes californica Ira W. Clokey 1931-1 5157 Los Angeles Santa Cruz Island, Dix Canyon 20 Comment
  RSA232630  Cheilanthes newberryi Larry E. DeBuhr, Gary Wallace 1972-9-3 709 Los Angeles San Clemente Island: on canyon wall of Horse Canyon, the canyon from Thirst Pk. to the west. 518 Comment
  RSA749856  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36992 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
  UCR259942  Chenopodium berlandieri R. G. Swinney 2010-4-13 12211 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  POM264691  Chenopodium botrys L. C. Wheeler 1936-7-4 4213 Los Angeles 1 mile northeast of Glendora 304 Comment
  RSA601021  Chenopodium botrys L. C. Wheeler 1967-5-13 9511 Los Angeles On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 381 Comment
  RSA0049934  Chenopodium californicum R. G. Swinney 2010-5-12 12740 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA478474  Chenopodium californicum E. S. Spalding 1923-4-21 s.n. Los Angeles Laurel Canyon. Comment
  RSA771643  Chenopodium californicum R. G. Swinney 2009-5-13 10796 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR191693  Chenopodium californicum A. C. Sanders 2008-4-23 35074 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  UCR259257  Chenopodium californicum R. G. Swinney 2010-6-1 13087 A Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR223149  Chenopodium desiccatum R. G. Swinney 2009-7-22 11333 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR189731  Chenopodium fremontii R. G. Swinney 1998-7-21 6486 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  UCR272917  Chenopodium macrospermum Steven A. Junak 2000-10-12 SCa- 1411 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  RSA0115076  Chenopodium macrospermum Steven A. Junak 2000-10-12 SCa- 1411 Los Angeles Santa Catalina Island. On N side of Thompson Reservoir. 195 Comment
  LA31620  Chenopodium murale Peter H. Raven; 1959-3-15 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA478540  Chenopodium murale E. S. Spalding 1923-05 s.n. Los Angeles Los Angeles. Comment
  UCR260628  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR126607  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26060 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course 396 Comment
  UCR205073  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  POM306235  Chorizanthe staticoides Henry J. Ramsey, Henry J. Ramsey 1937-5-27 s.n. Los Angeles N. Craig Avenue, Altadena. Comment
  RSA681892  Chorizanthe staticoides Scott D. White, Michael Honer 2003-6-18 9568 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UCR124966  Chorizanthe staticoides Geo. L. Moxley, Grinnell 1916-6-15 481 Los Angeles Western Transverse Ranges, Hills near Santa Susana Pass, Santa Susana Mtns. 500 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
  CLARK-A1528-1763  Chrysanthemum coronarium Alfred R. Roos 1955-5-7 Los Angeles El Segundo Comment
  UCR190127  Chrysothamnus nauseosus R. G. Swinney 1998-8-27 6795 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UC20921  Cicuta maculata var. bolanderi unknown Los Angeles Los Angeles Comment
  CAS-BOT-BC285401  Cirsium occidentale var. californicum Geo. W. Garrettson 1954-7-21 s.n. Los Angeles Puente Hills Comment
  CAS-BOT-BC285402  Cirsium occidentale var. californicum I. M. Johnston 1917-8-22 1707 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 Comment
  UCR191259  Cirsium occidentale var. californicum R. G. Swinney 1998-7-2 6215 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UC1587213  Cirsium occidentale var. occidentale Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-20 5325 Los Angeles terrace flats between Box and Horse Canyon (w side of San Clemente Island); San Clemente Island 484 Comment
  UCR133720  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-13 S- 4860 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA0059667  Cirsium occidentale var. occidentale Louis C. Wheeler 1932-4-30 671 B Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
  RSA164776  Cistanthe monosperma Wesley O. Griesel 1963-6-27 834 Los Angeles Ridge betw Dawson Saddle & Throop Peak, San Gabriel Mts. 2591 Comment
  UC1871029  Cistus incanus T. S. Ross, Walter Appleby 1993-5-20 7186 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9 Comment
  UC1293694  Clarkia bottae P. C. Everett and E. K. Balls 1959-6-2 23850 Los Angeles 2 mi w Seminole Hot Springs; Santa Monica Mts. 868 Comment
  UCR17895  Clarkia cylindrica Martha Hilend 1928-5-26 s.n. Los Angeles Tehachapi Mountains, On the Ridge Route, near its summit 1268 Comment
  RSA458826  Clarkia cylindrica subsp. cylindrica Kenneth A. Wilson 1962-5-26 1287 Los Angeles Placerita Canyon, about one mile east of Hwy 6. Comment
  RSA670378  Clarkia elegans Bonnie C. Templeton 1947-5-21 6284 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA3731  Clarkia epilobioides Carl B. Wolf 1932-5-10 3521 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  RSA579515B  Clarkia heterandra Tim S. Ross, Steve D. Boyd 1994-6-23 8062 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA247407  Clarkia purpurea subsp. quadrivulnera Jack Delaini, Barbara Shervanick 1974-5-23 221 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. At base of W ridge of canyon near its mouth. 366 Comment
  POM3155  Clarkia unguiculata H. M. Hall, H. P. Chandler 1906-6-12 7405 Los Angeles Near Saugus. Comment
  RSA601130  Clarkia unguiculata Louis C. Wheeler 1967-6-15 9818 Los Angeles San Gabriel Mountains: South side Fremont Pass, east side. Land Grant 549 Comment
  UCR258923  Clarkia unguiculata R. G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  RSA586679  Clarkia xantiana subsp. parviflora Orlando Mistretta, Mark A. Elvin 1995-5-10 1704 Los Angeles San Gabriel Mts. Bare Mountains Canyon. West Fork. 1250 Comment
  RSA73343  Clarkia xantiana subsp. parviflora F. W. Peirson 1924-5-27 4623 Los Angeles Trail below Colby's 854 Comment
  RSA0059526  Claytonia gabrielensis subsp. gabrielensis J. M. Miller, Dan Louma 1977-5-10 687 Los Angeles N side of Sawmill Mountain; Lower Shake Creek Campground. 1220 Comment
  RSA466714  Claytonia parviflora subsp. parviflora Joseph A. Ewan 1931-5-30 4238 Los Angeles Hermit Trail, Big Santa Anita Canyon 427 Comment
  RSA649650  Claytonia parviflora subsp. utahensis Michael Horn 1991-4-30 6 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  CATA1558  Claytonia perfoliata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2825 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  RSA0045481  Claytonia perfoliata Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino] Comment
  UCR260399  Claytonia perfoliata R. G. Swinney 2010-6-21 13288 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
  CAS-BOT-BC439787  Claytonia perfoliata Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  CAS-BOT-BC439911  Claytonia perfoliata subsp. intermontana C. F. Baker 1904-4-22 4726 Los Angeles Monrovia Comment
  CAS-BOT-BC439912  Claytonia perfoliata subsp. intermontana C. F. Baker 1904-4-22 4726 Los Angeles Monrovia Comment
  SD79028  Claytonia perfoliata subsp. mexicana R. M. Beauchamp 1967-1-28 143 Los Angeles San Clemente Island, on knolls west of Lemon Tank Comment
  RSA599714  Claytonia rubra subsp. rubra Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9463 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UCR256576  Claytonia rubra subsp. rubra Anuja Parikh, Nathan Gale 2011-6-28 3519 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1280 Comment
  CAS-BOT-BC91378  Clematis lasiantha Geo. B. Grant 1904-5-19 6238 Los Angeles Mount Wilson. Soleal [?]. 1219 Comment
  JEPS60545  Clematis lasiantha Frank W. Peirson 1918-5 51 Los Angeles Millards Canyon 640 Comment
  LA32194  Clematis lasiantha Henry J. Thompson; 1959-3-31 1916 Los Angeles Santa Monica Mountains, 1.1 mi SW of Seminole Hot Springs, about 2 mi SW of Cornell 396 Comment
  CATA3173  Clematis ligusticifolia Amy Catalano 2016-10-26 157 Los Angeles Santa Catalina Island: Middle Ranch Road, between Johnson Tree & first bridge down canyon from tree, N side of road, climbing in poison oak and willows 273 Comment
  SEINET13297619 Image available Clematis ligusticifolia R. G. Swinney 2011-1 15937 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  POM202312  Cnicus benedictus L. M. Booth 806 Los Angeles Burbank Comment
  SEINET879440 Image available Coldenia angelica E. Palmer 1887-1 517 Los Angeles Near Los Angeles Bay. Comment
  UCR99502  Collinsia childii Steve Boyd, Lauren Raz 1997-5-20 9790 Los Angeles Transverse Range; Liebre Mountains, Northern flank of Sawmill Mtn., upper Heryford Canyon drainage, just NE of Sawmill Summit at the junction of F.S. Roads 7N23 & 7N08 1585 Comment
  RSA0117403  Collinsia concolor Scott D. White, Michael Honer 2003-5-7 9218 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  RSA482001  Collinsia heterophylla Richard Noyes 1988-5-12 5562 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  SFV21150  Collinsia heterophylla J. M. Keefe 2001-1-19 30931 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 m west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive). 293 Comment
  UC56431  Collinsia heterophylla Ernest Braunton Mar 1903 850 Los Angeles Playa del Rey Comment
  RSA408268  Collinsia heterophylla Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 560 Comment
  LA89056  Comarostaphylis diversifolia subsp. planifolia M. B. Dunkle; 1941-4-13 8703 Los Angeles Santa Cruz Island, Prisoner's Harbor 60 Comment
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Apr 27 2018
  RSA467090  Comarostaphylis diversifolia subsp. planifolia Anstruther Davidson 1893-8-22 s.n. Los Angeles Santa Catalina Island. Comment
  SD90276  Constancea nevinii Robert F. Thorne 1973-4-11 42829 Los Angeles San Clemente Island; upper part of Norton Canyon. 274 Comment
  UC1234693  Constancea nevinii Peter H. Raven 1962-4-12 17312 Los Angeles in canyon below the Tomb; San Clemente Island 121 Comment
  CATA3087  Convolvulus arvensis Amy Catalano, Steven Junak 2016-4-28 092 Los Angeles Santa Catalina Island: North edge of Triangulation Point Pablo downslope from trail 31 Comment
  CATA3341  Convolvulus arvensis Amy Catalano, Julie King 2016-5-24 122 Los Angeles Santa Catalina Island: Quail Valley, on hillside outside E side of fenced yard, W-facing slope 138 Comment
  RSA0113730  Convolvulus arvensis Steven A. Junak 1999-5-21 SCa- 970 Los Angeles Santa Catalina Island. On E side of KBRT Valley, E of radio antennas. 457 Comment
  RSA626114  Convolvulus arvensis LeRoy Gross 1999-4-29 144 Los Angeles Santa Susana Mountains, east end: Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to The Old Road, City of Newhall. 396 Comment
  POM308949  Conyza bonariensis Kay H. Beach 1943-7-3 659 Los Angeles San Dimas Experimental forest. San Gabriel Mt. Range. Comment
  UC729484  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-11 4008 Los Angeles 8 mi below Big Pines Park (on road to Little Rock); No. slope of San Gabriel Mts. 1371 Comment
  POM355967  Coreopsis bigelovii Norman C. Cooper 1945-5-1 2129 Los Angeles Tapia Park area, Santa Monica Mts 610 Comment
  POM355970  Coreopsis bigelovii Norman C. Cooper 1948-4-21 2690 Los Angeles Little Rock. 762 Comment
  CAS-BOT-BC287862  Coreopsis californica Ira L. Wiggins 1966-4-15 20590 Los Angeles Immediately E of JFL Motel, Pearblossom, Mojave Desert Comment
  POM31826  Coreopsis californica Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC287861  Coreopsis californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles E end Antelope Valley Comment
  POM356024  Coreopsis gigantea F. R. Fosberg 1931-4-15 4631 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  JEPS26087  Corethrogyne filaginifolia Henry J. Thompson 1958-10-10 1808 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains, Saddle Peak 701 Comment
  POM356132  Corethrogyne filaginifolia Freda Detmers 1932-11-27 s.n. Los Angeles 3 miles N of mouth of Topanga Canyon. Comment
  POM356139  Corethrogyne filaginifolia E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  SD247320  Corethrogyne filaginifolia R. G. Swinney 2009-11-16 11622 Los Angeles San Gabriel Mts/Mojave Desert:20 m E (up canyon) from E edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mile W of junction of Mt. Emma Road and Angeles Forest Hwy. 1121 Comment
  UC895233  Corethrogyne filaginifolia Philip A. Munz and I. M. Johnston 1928-9-4 11153 Los Angeles Bouquet Canyon 762 Comment
  RSA506845  Corethrogyne filaginifolia var. filaginifolia Louis C. Wheeler 1967-8-24 10492 Los Angeles Angeles National Forest: SW slope of Mt. Waterman. 2164 Comment
  RSA397703  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 91 Comment
  SBBG105564  Cornus glabrata T. Ross, S. Boyd 1994-6-23 8076 Los Angeles "Dogwood Spring", seepy area situated in northeasterly draw draining from Grass Mtn to upper Burns Cyn 1264 Comment
  CATA3055  Cotula coronopifolia Amy Catalano 2016-3-25 067 Los Angeles Santa Catalina Island: In seep 230 meters northeast of Edison pumpstation in Cottonwood Canyon, 115 meters south of Fern Canyon Road 120 Comment
  RSA682165  Crassula colligata subsp. lamprosperma B. Muns 2002-5-28 s.n. Los Angeles 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. Comment
  CAS-BOT-BC427744  Crassula connata Timothy S. Ross 1991-4-28 4760 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 975 Comment
  UCR252550  Crassula connata R. G. Swinney 2010-3-11 11870 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  RSA423444  Crassula connata var. erectoides Robert Gustafson 1981-3-10 2113 Los Angeles Ballona Wetlands, Area 1. Comment
  CAS-BOT-BC427961  Crassula tillaea A. C. Sanders 2003-3-14 25775 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 171 Comment
  UCR164057  Crassula tillaea A. C. Sanders 2003-3-14 25775 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  SBBG128067  Crepis setosa M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-11 2751 Los Angeles Avalon School science building, Falls Cyn 27 Comment
  RSA233624  Crossosoma californicum R. F. Thorne 1970-3-5 39366 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA705571  Crossosoma californicum G. D. Wallace, M. Wallace 1985-3-2 2170 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  SBBG31555  Crossosoma californicum R. M. Beauchamp 1967-3-20 355 Los Angeles above the beach rd S of Avalon Comment
  SDSU5817  Crossosoma californicum D. F. Howe 1968-2-24 4487 Los Angeles On south side of Fourth of July Cove, Santa Catalina Island. Comment
  UC557631  Crossosoma californicum Nell Murbarger April, 1936 119 Los Angeles San Clemente Island; canyons on w slope Comment
  RSA480565  Croton californicus F. R. Fosberg 1919-6-23 S- 2993 Los Angeles Del Rey. 1 Comment
  UC450806  Croton californicus Fay A. Macfadden 1931-3-29 26 E Los Angeles Tuna Canyon Verdugo Hills Comment
  UCD141990  Croton californicus Louis C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains; Arroyo Seco, in vicinity of Pine Canyon. Comment
  RSA482381  Crypsis schoenoides Richard Noyes 1988-8-24 633 Los Angeles Claremont. Intersection of Mills Ave. and Baseline Ave. Comment
  SEINET7042269  Cryptantha barbigera A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  SBBG133674  Cryptantha barbigera var. barbigera L. Gross, P. DeVries, O. Gasser 2015-4-7 6950 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  SBBG14698  Cryptantha circumscissa H. and M. Dearing 1935-4-13 Los Angeles Bouquet Cyn, near Palmdale Comment
  CAS-BOT-BC189520  Cryptantha circumscissa var. circumscissa 1901-7-10 1896 Los Angeles Wilsons Peak, summit Comment
  SBBG39455  Cryptantha clevelandii E. R. Blakley 1963-4-7 5502 Los Angeles Little Harbor 15 Comment
  RSA0094689  Cryptantha clevelandii E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  SBBG63652  Cryptantha clevelandii var. florosa R. Hoffmann 1931-5-3 528 Los Angeles Bouquet Cyn Comment
  UCR256540  Cryptantha clokeyi Anuja Parikh, Nathan Gale 2011-6-23 3499 Los Angeles Transverse Range: San Gabriel Mountains, north of Iron Mountain, 1.6 km east of Angeles Forest Hwy, 1.1 km south of Monte Cristo Creek 1523 Comment
  CHSC95905  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4NR12W S1 NE1/4, T4NR11W S6 NW1/4. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  UCR177536  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  SEINET3152233  Cryptantha flaccida G. B. Grant 1904-6-16 239 Los Angeles Pasadena Comment
  CATA699  Cryptantha intermedia Mark L. Hoefs 1991-5-3 1194 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA0040378  Cryptantha intermedia R. G. Swinney 2010-5-11 12663 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  SBBG31352  Cryptantha intermedia R. F. Thorne 1966-4-6 35888 Los Angeles between White and Moonstone Coves 15 Comment
  UCSB10418  Cryptantha intermedia Haller, John 1950-3-26 Los Angeles San Gabriel Mtns., west ridge of Little Dalton Canyon 670 Comment
  UCSB5548  Cryptantha intermedia H., J. 1934-7-20 Los Angeles San Dimas Exp. Forest; by Fern Shelter house; Sec. 3, T1N, R8W 1447 Comment
  RSA499646  Cryptantha micrantha E. Van der Pas 1968-3-30 5 Los Angeles 0.3 miles off Hwy 14, 3.7 miles N of Palmdade Comment
  RSA603901  Cryptantha microstachys L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  SBBG63696  Cryptantha microstachys E. Crow 1930-6-29 Los Angeles above Camp Coldbrook Comment
  UCR177145  Cryptantha microstachys L. C. Wheeler 1967-5-2 9254 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA660823  Cryptantha microstachys LeRoy Gross 2001-5-6 384 Los Angeles Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  RSA0076012  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 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
  UC1063841  Cryptantha muricata A. D. Gifford 1935-2-7 424 Los Angeles Mouth of Elizabeth Lake Canyon Tejon Quad. 396 Comment
  UCR276880  Cryptantha muricata R. G. Swinney 2011-6-7 15089 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  RSA0079239  Cryptantha muricata var. denticulata R. G. Swinney 1999-6-18 7281 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
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Aug 26 2018
  UCR273436  Cryptantha muricata var. denticulata R. G. Swinney 2011-4-26 14472 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
  RSA0078909  Cryptantha muricata var. denticulata T. S. Ross 1991-8-14 5762 Los Angeles Roundtop Mtn, San Gabriel Mountains. 1881 Comment
  RSA0079443  Cryptantha muricata var. jonesii H. L. Bauer 1931-6-1 s.n. Los Angeles Topango Santa Monica Mts. Comment
  RSA0079455  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1991-7-24 5597 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA0079628  Cryptantha muricata var. muricata R. F. Thorne 1974-4-9 44703 Los Angeles Bob's Gap in Holocomb Ridge. 1219 Comment
  RSA718214  Cryptantha oxygona R. G. Swinney 1997-6-13 5578 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA625163  Cryptantha oxygona L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA755963  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-4 2318 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
  UCR205905  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR129335  Cryptantha simulans R. F. Thorne, M. Z. Thorne 1969-7-9 38509 Los Angeles San Gabriel Mtns, Angeles National Forest, on summit of Table Mtn 2134 Comment
  UCR153479  Cryptantha simulans R. F. Thorne 1969-7-9 38552 Los Angeles Transverse Ranges; San Gabriel Mtns., Angeles National Forest, slope of Table Mountain above Big Pines Ranger Station 2134 Comment
  SBBG131886  Cryptantha traskiae S. A. Junak, D. Wilken 1996-3-27 SCI 261 Los Angeles S of Eel Cove Cyn, on top of 2nd rocky headland 54 Comment
  UCR143927  Cucurbita foetidissima A. C. Sanders, Lee Jones 2004-11-7 29029 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  SEINET10625750  Cucurbita maxima Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3784 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  PASA2344  Cupressus guadalupensis Euphrat, Manning 1931-12-1 Los Angeles PHS grounds, Pasadena Comment
  SEINET10531508  Cupressus macrocarpa David B. Dunn 1939-10-25 Dunn UMO 46526 Los Angeles Cultivated tree near Orange Dr. and Colorado Blvd. Pasadena, Calif. 274 Comment
  SEINET10938304  Cupressus pygmaea Leila M. Shultz 1981-4-9 Shultz 4919 Los Angeles Rancho Ana Botanic Garden, Claremont, cultivated, native plants. Closed pine forest and northern coastal coniferus forest. 300 Comment
  UCR261319  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA609082  Cuscuta californica L. C. Wheeler 1932-8-1 1103 Los Angeles Liveoak Wash near La Verne 396 Comment
  RSA0048204  Cuscuta californica Carol Haines 1964-4-21 s.n. Los Angeles Santa Susanna Pass Road. 335 Comment
  LA210113  Cuscuta subinclusa T. A. Geissman; 1952-1 sn Los Angeles West Los Angeles Comment
  RSA409723  Cuscuta subinclusa T. S. Clare 1929-5-29 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA714989  Cynodon transvaalensis A. C. Sanders 2003-5-22 26810 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
  SBBG131509  Cyperus eragrostis S. A. Junak 1999-7-17 SCa 1066 Los Angeles just N of Patrick Reservoir, just S of new trans-island fenceline 411 Comment
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Jul 28 2016
  UCR179245  Cyperus eragrostis R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.4 mi. east of Glendora Mountain Road 442 Comment
  SBBG131722  Cyperus eragrostis S. A. Junak 1999-5-8 SCa 911 Los Angeles lower part of Fern Cyn, just 0.3 mi upstream from jct with Cottonwood Cyn 121 Comment
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Jul 28 2016
  RSA365128  Cyperus involucratus James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA656258  Cyperus involucratus Yvonne Younger 1977-3-10 2 Los Angeles Verdugo Mountains: By vacant lot, disturbed area, 1210 Cresthaven Drive, Pasadena-Eagle Rock. 259 Comment
  RSA11496  Cystopteris fragilis H. E. Hasse, Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek among the pines, 5000 ft. 1524 Comment
  UCR223127  Cystopteris fragilis R. G. Swinney 2009-7-22 11357 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA716884  Cytisus scoparius LeRoy Gross, Valentin Arvizu 2006-5-31 2471 Los Angeles Forest Service road surveys; Along Magic Mountain Road (4N46) east of Magic Mountain, but before Roads (3N17.7 and 3N17.6). Along the Santa Clara ridge., Near but east of 34.38652N, 118.32904W. 1402 Comment
  LA210754  Dactylis glomerata Arthur C. Gibson; 2006-9-20 5235 Los Angeles SIMI HILLS, Chatsworth Park South. Comment
  RSA695425  Dactyloctenium aegyptium A. C. Sanders, Mark A. Elvin, Cathleen Weigand, et al. 2002-8-6 25552 Los Angeles Santa Clara River Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  RSA602842  Datisca glomerata L. C. Wheeler 1933-6-19 1870 Los Angeles Cobal Canyon 518 Comment
  RSA733178  Datisca glomerata R. G. Swinney 1998-8-17 6776 Los Angeles San Gabriel Mtns.: side canyon along Heaton Flat Trail. c. 1/4 mile east of trailhead at Heaton Flat in San Gabriel Canyon 732 Comment
  UCR190613  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  UCR209463  Datisca glomerata R. G. Swinney 2008-10-10 9565 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA599873  Daucus pusillus Steve Boyd, Lauren Raz 1997-5-6 9718 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
  SBBG31359  Deinandra clementina R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles rd side ca. 1 mi E of Isthmus Cove 152 Comment
  SD66869  Deinandra clementina R. Mitchel Beauchamp 1967-3-18 309 Los Angeles San Clemente Island; In field west of Wilson Cove. Comment
  SD69621  Deinandra clementina Robert F. Thorne, P. Everett 1965-5-11 34588 Los Angeles Santa Catalina Island;rocky bluff at north side of north cove of Little Harbor. Comment
  SD234295  Deinandra fasciculata A. C. Sanders 2003-4-29 26181 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 395 Comment
  UC2030095  Deinandra fasciculata Scott D. White 2000-6-24 8092 Los Angeles PUENTE HILLS: City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins park. Comment
  UC89082  Deinandra fasciculata M. K. Curran 1885-7-1 Los Angeles Downey Comment
  SFV3978  Deinandra kelloggii M. L. Vincent 1962-6-18 262 Los Angeles Santa Monica Mountains Mulholland Highway, 1.5 miles west of Old Topanga turnoff. Comment
  UCD129027  Deinandra paniculata Art Lange 1973-8-1 s.n. Los Angeles Santa Monica. Comment
  RSA394502  Delphinium cardinale Fordyce Grinnell Jr. 1910-06 1788 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA394509  Delphinium cardinale N. C. Cooper 1949-6-18 4190 Los Angeles San Gabriel Wash 366 Comment
  RSA0029746  Delphinium glaucum R. G. Swinney 1997-7-23 5725 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  UCR182641  Delphinium glaucum R. G. Swinney 1997-7-23 5725 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  RSA0088146  Delphinium parishii R. G. Swinney 2010-6-1 13091 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  CAS-BOT-BC7961  Delphinium parishii subsp. parishii R. G. Swinney 1998-7-14 6435 Los Angeles San Gabriel Mountains, Pine Mountain Ridge, 0.2-0.3 mi. W of Camp Lupine trail 2247 Comment
  UC854178  Delphinium parryi John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island Comment
  RSA654437  Delphinium parryi subsp. parryi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 b Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  CAS-BOT-BC116394  Delphinium patens subsp. hepaticoideum LeRoy Abrams 1901-4-11 1474 Los Angeles Santa Monica Canyon, Santa Monica Mts. Comment
  UC855069  Dendromecon harfordii F. R. Fosberg 1931-5-21 S 4933 Los Angeles between Cherry Valley and Howland's Landing (bottom of small canyon below road); Santa Catalina Island 20 Comment
  SFV15498  Dendromecon rigida E. J. Spencer 1992-3-9 13 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road, just south of junction with Bear Canyon Divide Road. 732 Comment
  RSA246484  Dendromecon rigida subsp. rhamnoides Carl B. Wolf 1932-10-5 4228 Los Angeles Santa Catalina Island. Black Jack Mine, on the slopes of Black Jack Peak 427 Comment
  CAS-BOT-BC192751  Deschampsia danthonioides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Near San Gabriel Comment
  CAS-BOT-BC192752  Deschampsia danthonioides Robert F. Thorne 1966-4-17 36082 Los Angeles San Clemente Island: between Boulder & Horton, NE side of island 487 Comment
  JEPS53437  Descurainia pinnata Frank W. Peirson 1919-1-25 309 Los Angeles Arroyo Seco; San Gabriel Mountains 381 Comment
  CAS-BOT-BC43123  Descurainia pinnata subsp. brachycarpa LeRoy Abrams 1901-4-3 1247 Los Angeles Santa Monica Mountains. San Fernando Valley. 182 Comment
  RSA65819  Descurainia pinnata subsp. menziesii F. W. Peirson 1919-1-25 309 Los Angeles Foot of Arroyo Seco Canyon, Pasadena 381 Comment
  RSA717055  Descurainia sophia Andrea Edwards, Pam De Vries 2006-4-11 71 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  CATA1983  Desmazeria rigida Steven A. Junak 1997-3-27 347 Los Angeles Santa Catalina Island: Avalon Canyon, at S edge of Hermit Gulch Campground, along beginning of Hermit Gulch Trail 106 Comment
  SBBG131680  Desmazeria rigida S. A. Junak 1999-5-20 SCa 948 Los Angeles Cottonwood-Black Jack Rd, near small creekbed, at bird sample point 36 289 Comment
  CAS-BOT-BC402320  Dicentra chrysantha F. A. Thackery 1928-5-18 383 Los Angeles Tajunga [Tujunga] Comment
  JEPS9735  Dicentra chrysantha C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4623 Los Angeles Bouquet Canyon 1100 Comment
  CAS-BOT-BC499428  Dichelostemma capitatum John H. Thomas 1957-4-27 6702 Los Angeles Santa Monica Mtns. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles nw of Pt. Dume. 15 mi.due west of Santa Monica 152 Comment
  RSA0110891  Dichelostemma capitatum R. G. Swinney 2011-5-6 14617 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  SEINET13383410 Image available Dichelostemma capitatum R. G. Swinney 2010-1 11968 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 539 Comment
  UC143022  Dichelostemma capitatum C. F. Baker 1904-4-22 4764 Los Angeles Monrovia Comment
  UCR141158  Dichelostemma capitatum June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  RSA376859  Dichelostemma capitatum subsp. capitatum Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA670385  Dichelostemma capitatum subsp. capitatum B. C. Templeton, I. W. Clokey 1930-4-8 1056 Los Angeles San Francisquito Canyon, San Gabriel Mts. 915 Comment
  RSA702217  Dieteria canescens var. canescens Scott D. White 2004-8-11 10695 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
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Aug 24 2013
  CDA1976  Digitaria decumbens G. C. Fleischman 1993-9-9 Los Angeles Pasadena. 0 Comment
  CAS-BOT-BC150640  Diplacus longiflorus Prof. W. R. Dudley 1907-11-28 s.n. Los Angeles Near Monrovia Comment
  CAS-BOT-BC43584  Dithyrea californica Timothy S. Ross 1991-4-27 4689 Los Angeles Mojave Desert. Ca. 0.85 mile west of Three Sisters & 1.2 mile south of Black Butte. 947 Comment
  UCR181013  Dodecatheon clevelandii R. G. Swinney 1997-2-8 5405 Los Angeles San Gabriel Mtns., Fish Canyon, near the mouth of the San Gabriel River on Azusa-Duarte boundary, c. 1 mile north of trailhead in canyon 366 Comment
  RSA706912  Dodecatheon clevelandii Gary D. Wallace 1985-3-3 2188 Los Angeles Near Ventura-Los Angeles county line, 1/4 mi. E of junction of Pacific View Dr. and Deer Creek Rd. 463 Comment
  SBBG18744  Dodecatheon clevelandii subsp. insulare E. R. Blakley 1963-4-8 5545 Los Angeles ridge S of Avalon Valley above Avalon Terrace 152 Comment
  RSA461353  Dodecatheon clevelandii subsp. insulare Reid V. Moran 1941-2-16 571 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA666734  Drosanthemum floribundum A. C. Sanders, D. Malueg 2001-5-17 34339 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  CAS-BOT-BC67944  Dryopteris arguta George L. Moxley 1920-11-28 864 Los Angeles San Gabriel Canyon Comment
  CATA162  Dryopteris arguta Mark L. Hoefs, A. Douglas Propst 1973-3-14 123 Los Angeles Santa Catalina Island: Cape Canyon 243 Comment
  LA200096  Dryopteris arguta Lawrence L. Kiefer; 1966-5-14 2033 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  SBBG130743  Dryopteris arguta S. A. Junak 2000-3-31 SCa 1146 Los Angeles top of rd to White's Landing, 0.3 mi from main rd 411 Comment
  UC1594373  Dryopteris arguta Tim Ross 1992-4-14 6166 Los Angeles mouth of Nanny Canyon (central E side of island); San Clemente Isl. 179 Comment
  SBBG125334  Dudleya cymosa subsp. pumila A. Parikh, N. Gale 2010-6-29 3377 Los Angeles W Fork San Gabriel River, 03.6 km E of Cogswell Dam, just S of Devil's Cyn Dam Truck Trail 620 Comment
  UC205231  Dudleya hassei R. L. Pendleton 1909-7-2 1356 Los Angeles rd to e Avalon; Santa Catalina Island 9 Comment
  CAS-BOT-BC428409  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 Los Angeles San Gabriel Canyon Comment
  IRVC29655  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 Comment
  LA103028  Dudleya lanceolata Peter H. Raven; David S. Verity 1960-5-7 15338 Los Angeles Santa Monica Mountains, Long Grade Canyon, 2 mi. above Camarillo State Hospital Comment
  LA50792  Dudleya lanceolata Henry J. Thompson; 1959-5-24 2026 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA733555  Dudleya lanceolata R. G. Swinney 1998-8-21 6779 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  POM294426  Dudleya multicaulis G. M. Baden 1949-4-28 s.n. Los Angeles Hills S of San Dimas & just N of Puddingtone Dam; just below crest of hill on N slope. 335 Comment
  RSA0073981  Dudleya virens Reid V. Moran 1972-5-27 19143 Los Angeles Just east of Pt. Vicente. 5 Comment
  SBBG133582  Dudleya virens R. Moran 1972-5-27 19143 Los Angeles sea bluffs just E of Pt Vicente 5 Comment
  CAS-BOT-BC109737  Dudleya virens subsp. hassei 189- s.n. Los Angeles Santa Catalina. Comment
  RSA397765  Dudleya virens subsp. hassei M. B. Dunkle 1931-4-22 2467 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  CATA3557  Dudleya virens subsp. insularis Peter J. Dixon 2018-6-18 121 Los Angeles Santa Catalina Island: Channel side; Parsons Landing area, from road crossing above waterfall, 0.5 mi E of Parsons Landing Campground. Rock outcrop in drainage. 0 Comment
  SD181595  Dysphania ambrosioides Louis C. Wheeler 1967-5-29 9769 Los Angeles San Gabriel Mountains, San Antonio Canyon, sourhwest of Spring Hill. One plant in semi-sun canyon bottom, disturbed sandy gravel. 883 Comment
  CAS-BOT-BC197144  Echinochloa crus-galli Cecil Hart 1921-7-1 4 Los Angeles Howard & Smith's nursery, Montebello Comment
  RSA776727  Ehrharta erecta Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11683 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR239213  Ehrharta erecta Pamela Conway, LeRoy Gross 2010-12-27 1 Los Angeles Transverse Ranges; San Gabriel Mtns., Little Santa Anita Canyon; short distance west from the old Mt. Wilson toll road, along trail to Orchard Camp 395 Comment
  UCR271532  Ehrharta erecta R. G. Swinney 2011-11-3 15980 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  CAS-BOT-BC227185  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente / Chino Hills: SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights 335 Comment
  UCD169229  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR205135  Eleocharis macrostachya R. G. Swinney 2008-4-30 8697 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA602451  Eleocharis parishii Scott D. White 1997-5-14 5127 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA732911  Eleocharis parishii R. G. Swinney 1997-6-19 5613 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA643406  Eleocharis parishii Orlando Mistretta 1995-10-2 1940 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Mt. Emma section. 1051 Comment
  RSA653379  Eleocharis radicans LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 271 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  UCR204748  Eleocharis rostellata R. G. Swinney 2005-8-9 8422 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
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May 10 2012
  CAS-BOT-BC203832  Elymus X hansenii Geo. B. Grant 1906-6-16 6793 Los Angeles Summit Mt. Wilson, Pasadena 1828 Comment
  UCR276826  Elymus elymoides R. G. Swinney 2010-5-21 12875 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CDA31723  Elymus elymoides subsp. elymoides Louis C. Wheeler 1973-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Spring Canyon at Santa Clara Divide Road. Comment
  UC625144  Elymus glaucus F. R. Fosberg 1931-4-14 S 4610 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  SEINET10554315  Elymus glaucus Joseph A. Ewan 1934-8-10 Ewan 8433 Los Angeles Abundant grass about small cienegaon nw slope Mt. Waterman. San Gabriel Mts. 2286 Comment
  UCR146231  Elymus hispidus Valerie Soza, Naomi Fraga 2001-6-27 1302 Los Angeles Transverse Ranges, San Gabriel Mountains region, Sunset Ridge Fire Road (FSR 2N07), 0.7 mi east of Glendora Ridge Road, west of Sunset Peak 1433 Comment
  UC192083  Elymus multisetus A. D. E. Elmer June, 1902 3644 Los Angeles Acton Mt. Gleason Comment
  UCR200180  Emmenanthe penduliflora var. penduliflora Valerie Soza, Laura A. Moore 2000-5-10 848 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines, west of peak ''1936' 564 Comment
  UCR271678  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SBBG17176  Encelia californica K. A. Wilson 1961-2-18 849 Los Angeles Calabasas, Mulholland Hwy Comment
  SBBG39616  Encelia californica E. R. Blakley 1963-4-7 5507 Los Angeles N slope of ridge between Little Harbor and Cottonwood Cyn 45 Comment
  UC1302369  Encelia californica Robert F. Thorne and P. Everett 1964-2-6 33283 Los Angeles w of Catalina Harbor (at Isthmus); Santa Catalina Island 7 Comment
  UCSB45412  Encelia californica Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd. 1 mile north of Ganado Dr., Rancho Palos Verdes 335 Comment
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Jul 23 2007
  RSA0089244  Ephedra nevadensis var. nevadensis Steve D. Boyd, Gary D. Wallace 2011-4-14 12314 A Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UCR197752  Ephedra viridis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 79 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  UCR204819  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  LA32219  Epilobium canum Peter H. Raven; Henry J. Thompson 1959-10-18 14681 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  RSA251421  Epilobium canum subsp. canum Robert F. Thorne 1966-4-17 36115 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  SBBG17104  Epilobium canum subsp. canum D. Laufenberg 1962-9-20 Los Angeles 3600 block of Dixie Cyn Ave, Sherman Oaks Comment
  UC1122328  Epilobium canum subsp. canum Jerome S. Horton 1938-10-25 521 Los Angeles e San Dimas Dam (Camp 10 road); Pomona Quadrangle, San Dimas Experimental Forest 426 Comment
  CAS-BOT-BC171919  Epilobium canum subsp. latifolium Peter H. Raven; Henry J. Thompson 1958-10-11 13764 Los Angeles 0.7 miles south of junction of roads at summit, Saddle Peak, Santa Monica Mountains 746 Comment
  RSA588872  Epilobium canum subsp. latifolium Orlando Mistretta 1994-9-21 1493 Los Angeles Santiago Canyon. At junction of Forest Rd. 4N20 with Santiago Creek. 1250 Comment
  UC20675  Epilobium canum subsp. latifolium J. H. Barber 1897-7-11 252 Los Angeles Mt. Gleason Summit Comment
  RSA448493  Epilobium ciliatum Stephen Grout, Mrs. Grout 1900-08 s.n. Los Angeles Cienega. Comment
  UCR113664  Epilobium ciliatum subsp. ciliatum L. C. Wheeler 1968-6-14 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Spring on north side of Blue Ridge by Guffy Camp Comment
  RSA0016977  Epilobium ciliatum subsp. ciliatum O. R. L. s.n. Los Angeles Near Glendale Comment
  RSA650590  Epilobium paniculatum Jim Graham 1953-5-10 s.n. Los Angeles N of Imperial Hy. S of Lemon and W of Santa Gertrudes, Whittier. 69 Comment
  CATA2948  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island: In ""Fern Grotto"", side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing 233 Comment
  RSA381701  Epipactis gigantea J. R. Bruff 1936-5-11 s.n. Los Angeles Malibu Hills. Comment
  RSA684672  Equisetum hyemale var. affine H. M. Ritter 1931-4-21 s.n. Los Angeles Los Feliz Bridge at Griffith Park; Los Angeles River Comment
  CAS-BOT-BC57317  Equisetum laevigatum Peter H. Raven 1959-10-25 14701 Los Angeles Arroyo Sequit 1.6 miles north of Coast Highway 137 Comment
  JEPS60136  Equisetum laevigatum F. R. Fosberg and J. Ewan 1931-8-13 4941 Los Angeles above Crystal Lake (Big Cienega) 1981 Comment
  UCR239950  Equisetum laevigatum R. G. Swinney 2009-11-16 11641 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  SEINET6047903  Equisetum laevigatum Unknown 1967-5-24 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC57797  Equisetum telmateia G. B. Grant 1904-4-6 s.n. Los Angeles Pasadena. Comment
  UCD62929  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of San Gabriel River channel. 158 Comment
  CAS-BOT-BC213594  Eragrostis mexicana subsp. mexicana Cecil Hart 1921-7-1 s.n. Los Angeles Howard & Smith's Nursery Comment
  CHSC95546  Eremothera boothii subsp. decorticans LeRoy Gross 2005-5-19 2302 Los Angeles Mojave Desert; West Mojave Desert region: South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N 118.16535W then walked south to 34.81703, 118.16403W. 722 Comment
  SBBG127013  Eremothera boothii subsp. decorticans A. Parikh, N. Gale 2011-6-8 3431 Los Angeles Portal Ridge, 1.4 km W of Godde Hill Rd, 0.8 km S of California Aqueduct 1070 Comment
  RSA0107949  Eriastrum densifolium subsp. austromontanum T. S. Ross, S. D. Boyd 1991-7-24 5671 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA0097776  Eriastrum densifolium subsp. densifolium R. G. Swinney 2011-7-8 15489 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UC421673  Eriastrum sapphirinum John Thomas Howell 1928-6-10 3879 Los Angeles Monrovia Canyon San Gabriel Mts. Comment
  UCR258527  Eriastrum sapphirinum R. G. Swinney 2010-6-23 13311 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
  SD58390  Eriastrum sapphirinum subsp. brevibracteatum Isabelle Tavares 1962-5-27 1266 b Los Angeles Ca. 10 miles east of junction with Highway 138 on Palmdale-Victorville Highway. Comment
  RSA0122870  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross 2007-5-16 2736 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  UCSB5010  Eriastrum sapphirinum subsp. dasyanthum Wedberg, H. 1958-7-15 Los Angeles Mulholland Hwy. between Topanga Cyn. and Beverly Glen, Santa Monica Mtns. Comment
  SEINET3816025 Image available Eriastrum virgatum Ira W. Clokey, B. Templeton May 1929 4549 Los Angeles Santa Monica Mountains; Mandeville Canyon 350 Comment
  POM359316  Ericameria cooperi Anstruther Davidson 1893-5-12 s.n. Los Angeles Del Sur. Comment
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Jan 26 2011
  RSA0047417  Ericameria cooperi R. G. Swinney 2010-5-12 12703 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA589266  Ericameria cuneata var. spathulata Timothy S. Ross 1991-4-28 4763 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  JEPS31367  Ericameria linearifolia A. E. Wieslander 1928-2-27 Los Angeles Texas Canon Elizabeth Lake, Texas Canon Comment
  RSA0060785  Ericameria linearifolia LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6805 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA570200  Ericameria linearifolia Timothy S. Ross, Steve Boyd, L. Arnseth 1991-4-30 5038 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  UCR197759  Ericameria linearifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 4 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
  SEINET3146539  Ericameria monactis H. M. Hall, H. P. Chandler 1906-6-11 7389 Los Angeles near Lancaster; S CA Comment
  CAS-BOT-BC298886  Ericameria nauseosa var. bernardina Fordyce Grinnell 1915-9-4 s.n. Los Angeles Above Arroyo Seco. West Fork Divide. San Gabriel Mts Comment
  SFV13411  Ericameria nauseosa var. bernardina W. M. Perry 1980-8-29 113 Los Angeles San Gabriel Mountains Pine Mountain ridge. Comment
  SBBG62950  Ericameria nauseosa var. hololeuca R. Hoffmann 1931-10-23 Los Angeles Ridge Route (US Hwy 99) Comment
  RSA656928  Ericameria parishii var. parishii Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1058 Los Angeles San Gabriel Mountains: North of Mt. Bliss, Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction of Van Tassel Truck Trail and Van Tassel Road (FS Road 1N36A). 1082 Comment
  CAS-BOT-BC293140  Ericameria pinifolia Peter H. Raven 1959-10-16 14651 Los Angeles Boquet Canyon Reservoir Comment
  POM6575  Ericameria pinifolia L. R. Abrams 1916-10-30 6378 Los Angeles Near Azusa. Comment
  SBBG62805  Ericameria pinifolia R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, near Oak's Garage Comment
  UC1118805  Ericameria pinifolia P. L. Johannsen 1934-2-15 285 Los Angeles 1 mi nw San Fernando Pass; S. Susana Quad. 441 Comment
  CAS-BOT-BC293350  Ericameria teretifolia C. B. Wolf 1931-11-2 2505 Los Angeles Mint Canyon, 1 mile above where road from Acton joins the Highway 975 Comment
  RSA729881  Erigeron foliosus R. G. Swinney 1998-9-7 6928 Los Angeles Pine Mountain Ridege, c. 1 mi. west of summit of Pine Mountain. 2543 Comment
  RSA759007  Erigeron foliosus R. G. Swinney 2008-10-8 9529 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  SBBG94228  Erigeron foliosus var. foliosus F. R. Fosberg 1931-7-9 5361 Los Angeles Avalon 50 Comment
  SEINET191885  Erigeron foliosus var. foliosus C. B. Wolf 1931-5-13 1999 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 366 Comment
  UC535345  Erigeron foliosus var. foliosus Ira W. Clokey, B. Templeton 1929-6-1 4584 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 350 Comment
  UC1124327  Eriodictyon crassifolium A. Lewis Feb 1934 295 Los Angeles s Gold Creek; Angeles Natl Forest, San Fernando Quad., s of Gold Creek Comment
  SEINET12315364  Eriodictyon crassifolium C. V. Braun 1974-1 13 Los Angeles ca 1.5 mi W of Newhall Exit, Interstate 5 Comment
  POM155610  Eriodictyon crassifolium var. nigrescens P. A. Munz 1927-1 41 Los Angeles Mt. Lowe. Comment
  UC1124349  Eriodictyon crassifolium var. nigrescens A. D. Gifford 1935-5-8 673 Los Angeles 4 mi ne Whitaker; Tejon quad. Comment
  UC1871047  Eriodictyon crassifolium var. nigrescens Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3922 Los Angeles Liebre Mountain: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1487 Comment
  UCR270521  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SBBG13123  Eriodictyon traskiae E. R. Blakley 1962-10-3 5390 Los Angeles E side of Black Jack Mtn at the start of rd to White's Landing 411 Comment
  SBBG41311  Eriodictyon traskiae M. R. Benedict 1970-6-29 Los Angeles head of Sweetwater Cyn Comment
  UC880710  Eriodictyon traskiae L. W. Nuttall 638 Los Angeles Santa Catalina Island Comment
  UCR223715  Eriodictyon trichocalyx R. G. Swinney 2009-6-17 11205 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  LA205724  Eriodictyon trichocalyx var. trichocalyx A. M. Johnson; 1927-10-21 2664 Los Angeles Comment
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May 12 2015
  SEINET5765986  Eriogonum J. M. Keefe 1977-6-11 22188 Los Angeles Foothill Boulevard near Tujunga Wash, Sunland. Comment
  RSA709374  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle. 335 Comment
  RSA0050407  Eriogonum baileyi R. G. Swinney 2009-11-16 11625 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA766416  Eriogonum baileyi Joseph A. Ewan 1934-8-3 8369 Los Angeles San Gabriel Mts. Swartout Valley. Near county line 1982 Comment
  POM49218  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-06 3690 Los Angeles Acton. Comment
  SEINET253269  Eriogonum cinereum H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Comment
  RSA763232  Eriogonum cithariforme var. agninum Justin M. Wood 2010-5-10 1570 Los Angeles San Gabriel Mountains. Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UCR126824  Eriogonum cithariforme var. agninum A. C. Sanders 2003-6-19 26974 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  RSA578517  Eriogonum cithariforme var. cithariforme Tim S. Ross, S. D. Boyd 1994-6-22 8003 Los Angeles Fish Canyon: ca 380 m due W of Cienaga Spring; ca 2730 m NE of its confluence with Castaic Creek. 604 Comment
  CAS-BOT-BC242773  Eriogonum davidsonii F. Grinnell Jr. 1908-9-14 s.n. Los Angeles Mt. Wilson 1524 Comment
  CAS-BOT-BC242775  Eriogonum davidsonii Le Roy Abrams; E. A. McGregor 1908-7-3 571 Los Angeles North Baldy Mountain, San Gabriel Mountains 1981 Comment
  RSA393180  Eriogonum davidsonii Unspecified 1905-1 1871 Los Angeles Hollywood Comment
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Aug 27 2011
  SFV19164  Eriogonum davidsonii J. N. Hogue 2004-8-8 231 .2 Los Angeles San Gabriel Mountains Camp Eaton (= Camp Cumorah Crest). 3 km northeast of Newcomb Ranch. 1860 Comment
  UCR277142  Eriogonum davidsonii R. G. Swinney 2011-6-15 15210 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
  RSA350561  Eriogonum davidsonii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA393491  Eriogonum elongatum var. elongatum H. E. Hasse 1893-08 s.n. Los Angeles Acton. Comment
  CAS-BOT-BC249769  Eriogonum elongatum var. elongatum Frank W. Peirson 1924-12-5 5385 Los Angeles Along rail at many points from here down; Little Santa Anita Trail, San Gabriel Mts. Comment
  POM187777  Eriogonum elongatum var. elongatum Thos. Craig 1933-10-9 2003 Los Angeles Hillsides north of Ravenna. 915 Comment
  SEINET253235  Eriogonum fasciculatum Marcus E. Jones 1882-2-25 3019 Los Angeles Pasadena Comment
  RSA653900  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 818 Los Angeles Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. 396 Comment
  RSA754226  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1772 Los Angeles San Gabriel River Watershed; area next to road. 385 Comment
  RSA646082  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Mark A. Elvin 1995-5-10 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit Bare Mt. Section. 1768 Comment
  UC1584236  Eriogonum fasciculatum var. polifolium Tim Ross, Steve Boyd 1990-6-6 2880 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn. USGS 7.5' quadrangle 644 Comment
  RSA3613  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-5-14 3632 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  LA211279  Eriogonum giganteum var. giganteum Arthur C. Gibson; 2003-8-4 4884 Los Angeles SANTA MONICA MOUNTAINS, Malibu Beach State Park, along nature trail. Comment
  SEINET7063478  Eriogonum gracile A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  RSA615862  Eriogonum gracile var. gracile Scott D. White 1995-10-19 3697 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
  RSA681856  Eriogonum gracile var. gracile Scott D. White, Michael Honer 2003-6-18 9573 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UCR127661  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-18 25136 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  RSA646967  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-4 793 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1433 Comment
  CAS-BOT-BC261098  Eriogonum gracillimum A. D. E. Elmer 1902-6-1 3655 Los Angeles Lancaster Comment
  RSA393217  Eriogonum grande var. grande E. S. Spalding s.n. Los Angeles Banning Beach, Santa Catalina Island. Comment
  UC527436  Eriogonum heermannii var. heermannii C. B. Wolf 1931-11-8 2629 Los Angeles 1/8 mi below Big Rock Ranger Station (Big Rock Creek); San Gabriel Mts., Big Rock Creek 1066 Comment
  UC586861  Eriogonum microthecum var. corymbosoides Joseph Andorfer Ewan 1934-8-3 8332 Los Angeles near summit Table Mt. (head of Le Montaine Cr.); San Gabriel Mts., Table Mt., Le Montaine Cr. 2255 Comment
  SBBG64121  Eriogonum nudum R. Hoffmann 1929-11-11 Los Angeles Little Rock Dam Comment
  UC1971222  Eriogonum nudum Scott D. White, Dave Bramlet 1998-8-11 7053 Los Angeles WEST OF MT. ISLIP: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Highway 39 from ca. 1.6 mi W of junction Crystal Lake access rd to junction Highway 2. Crystal Lake USGS 7.5' quad. Comment
  RSA0116183  Eriogonum nudum var. pubiflorum R. G. Swinney 2011-10-13 15787 Los Angeles San Gabriel Mountains; Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  UCR94474  Eriogonum nudum var. westonii Orlando Mistretta 1995-10-2 1944 Los Angeles San Gabriel Mtns, Little Rock Creek. Upstream from Basin Campground 1052 Comment
  UCR50876  Eriogonum parvifolium A. C. Sanders 1988-5-18 7840 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR282035  Eriogonum pusillum R. G. Swinney 2014-4-30 16245 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  POM2362A  Eriogonum saxatile I. M. Johnston 1917-7-3 1463 Los Angeles San Antonio Mountains: Upper San Antonio Canyon 1982 Comment
  RSA660143  Eriogonum saxatile Orlando Mistretta 1992-7-9 664 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UCSB23144  Eriogonum saxatile Wilken, Dieter 1967-7-1 Los Angeles Ridge west of headwaters of Soldier Creek; south of Highway 39 between Islip Saddle and Crystal Lake Junction, San Gabriel Mts 1767 Comment
  UCR209637  Eriogonum umbellatum R. G. Swinney 2008-10-8 9537 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  RSA585777  Eriogonum umbellatum var. munzii Orlando Mistretta 1995-7-11 1877 Los Angeles Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  CAS-BOT-BC297940  Eriophyllum confertiflorum Geo. B. Grant 1906-5-23 6635 Los Angeles Arrowhead Hot Springs Comment
  POM357906  Eriophyllum confertiflorum James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA670159  Eriophyllum confertiflorum Joseph M. Keefe 2001-3-19 31183 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  SDSU4092  Eriophyllum confertiflorum Thomas A. Zink 1971-4-1 Los Angeles Above St. Andrews Rd. near the 2300 block of Chevy Chase Canyon. 579 Comment
  SFV13107  Eriophyllum confertiflorum W. M. Perry 1980-8-16 104 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  UCD132266  Eriophyllum confertiflorum F. R. Fosberg 1931-3-26 S 4397 Los Angeles Sea Bluffs West of Hamilton Canyon. Santa Catalina Island. 40 Comment
  UCR209944  Eriophyllum confertiflorum R. G. Swinney 2008-7-15 9206 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA0042219  Eriophyllum confertiflorum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2838 Los Angeles Santa Catalina Island: Bluff southeast of Rippers Cove. 6 Comment
  SBBG98517  Eriophyllum confertiflorum var. confertiflorum T. Ross 1991-5-23 5488 Los Angeles lower Tota Cyn 60 Comment
  UC1871022  Eriophyllum confertiflorum var. confertiflorum T. S. Ross, Walter Appleby 1993-5-13 7110 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  UC483370  Eriophyllum confertiflorum var. confertiflorum L. R. Abrams and I. L. Wiggins 1931-7-6 341 Los Angeles vicinity of Mosquito Harbor; San Clemente Island Comment
  SEINET7067000  Eriophyllum lanatum J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 79 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 431889mE, 3803999mN. Comment
  CAS-BOT-BC308364  Eriophyllum nevinii Geo. B. Grant 1897-9-25 s.n. Los Angeles Santa Catalina Island Comment
  RSA595624  Eriophyllum pringlei L. C. Wheeler 1967-5-9 9381 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA596170  Eriophyllum pringlei L. C. Wheeler 1967-5-12 9440 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SD112730  Eriophyllum wallacei Darley F. Howe 1947-5-4 Los Angeles Near Vincent, western Mojave Desert. Comment
  UCSB17932  Eriophyllum wallacei Shaw, Merrilee 1963-5-3 Los Angeles State Highway 138, 4 miles W of San Bernardino County Line, Mojave Desert 1066 Comment
  RSA748193  Erodium botrys Scott D. White, Justin M. Wood 2009-5-6 12673 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA573560  Erodium botrys Tim S. Ross 1992-6-15 6583 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnball Canyon. 232 Comment
  UCR260392  Erodium cicutarium R. G. Swinney 2010-2-27 11667 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
  RSA391815  Erodium cicutarium T. S. Clare 1929-4-10 s.n. Los Angeles Verdugo Hills. Comment
  CATA1742  Erodium moschatum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-14 3139 Los Angeles Santa Catalina Island: Upper Middle Canyon on hillside by Edison pump house 371 Comment
  UCR219458  Erodium moschatum R. G. Swinney 2009-3-25 10156 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  SD51919  Erodium moschatum Peter H. Raven 1962-4-9 17135 Los Angeles San Clemente Island, Wilson Cove, near barracks, 60 Comment
  SDSU2403  Erysimum capitatum A. H. Gallup 1949-3-16 332 Los Angeles The Wash , Claremont. 366 Comment
  UC205876  Erysimum capitatum I. Johnston 1917-6-20 1357 Los Angeles Baldy (USFS) Lookout San Antonio Mts. 1828 Comment
  RSA0056534  Erysimum capitatum Orlando Mistretta 1992-5-16 17 Los Angeles Vicinity of Big Pines; Head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains region. Comment
  RSA600039  Erysimum capitatum var. capitatum Steve Boyd, Lauren Raz 1997-3-25 9259 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
  UCD115015  Erysimum capitatum var. capitatum Kenneth A. Wilson; D. E. Bianchi 1961-2-2 829 Los Angeles San Gabriel Mountains. Little Tijunga Canyon, 2 miles north of Route 118. Comment
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Oct 29 2014
  CAS-BOT-BC32839  Erysimum suffrutescens LeRoy Abrams 1902-6-10 2511 Los Angeles Playa del Rey Comment
  SBBG79183  Erythranthe cardinalis F. R. Fosberg 1932-5-7 8145 Los Angeles Grand Cyn, below falls 100 Comment
  RSA49121  Eschscholzia caespitosa P. A. Munz 1949-5-10 13384 Los Angeles Adventive in Botanic Garden, S of pinic ground knoll Comment
  RSA433653  Eschscholzia californica Katherine Brandegee 1916-5-17 s.n. Los Angeles Santa Catalina Island. Comment
  OBI30189  Eschscholzia californica Bruce H. Lewis 1970-4-11 s.n. Los Angeles In the San Dimas Experimental forest 975 Comment
  RSA0056412  Eschscholzia californica James R. Shevock 1970-3-14 34 Los Angeles Claremont. 518 Comment
  UCSB7044  Eschscholzia californica Gill, Robert 1959-2-27 Los Angeles Along road close to Throne Ranch, lower San Dimas Canyon, San Gabriel Mountain Range 365 Comment
  RSA632442  Eschscholzia minutiflora Louis C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mountains: East fork Kentucky Springs Canyon 1280 Comment
  RSA177870  Eschscholzia ramosa Robert F. Thorne, Percy C. Everett 1965-5-11 34573 Los Angeles Santa Catalina Island. N side of N beach of Little Harbor. 15 Comment
  RSA592484  Eschscholzia ramosa Mark Hoefs 1973-3-11 53 Los Angeles Santa Catalina Island. Near Renton Mine Road. 213 Comment
  UC1215177  Eschscholzia ramosa Peter H. Raven 1962-4-9 17165 Los Angeles above Wilson Cove; San Clemente Island 60 Comment
  RSA0010834  Eucalyptus Robert F. Thorne 1967-5-20 36902 Los Angeles Santa Catalina Island. Bank above Airport Road at head of Descanso Canyon. 305 Comment
  CDA31847  Eucalyptus robusta Michael O Brien 2010-2-14 PDR# 1535018 Los Angeles In the vicinity of Los Angeles, on Morton Avenue. 0 Comment
  RSA652844  Eucrypta chrysanthemifolia Roxanne Smith 1991-5-5 13 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/4 mile north of intersectionof Clear Creek Canyon Drive & Steep Canyon Road. Comment
  SEINET6068915  Eulobus californicus Unknown 1968-3-19 Los Angeles Encinal Canyon, ca 1.5 mi west of Mulholland Highway. Comment
  UCR152537  Euphorbia albomarginata A. C. Sanders, Lee Jones 2005-4-8 29336 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR167544  Euphorbia albomarginata S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  UCR76084  Euphorbia maculata Scott D. White 1992-10-8 898 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UCR51907  Euphorbia melanadenia Adelina Munoz 1988-5-14 120 Los Angeles San Gabriel Mtns, San Dimas: Sycamore Canyon behind San Dimas Canyon Park 305 Comment
  UC1348864  Euphorbia peplus Robert F. Thorne 1966-5-31 36426 Los Angeles Avalon; Santa Catalina Island 7 Comment
  RSA9710  Euphorbia peplus L. C. Wheeler 1932-2-20 447 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  UCD142467  Euphorbia peplus Robert F. Thorne; D. Propst 1968-5-29 37702 Los Angeles Santa Catalina Island; off Avalon Canyon; Hermit Gulch. 91 Comment
  CDA19095  Euphorbia terracina S. Williams 2001-3-22 PDR 053173 Los Angeles Southern California; Solstice Canyon Trail, Santa Monica Natural Recreation Area. 0 Comment
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May 30 2014
  UCR193155  Festuca microstachys R. G. Swinney 1998-7-14 6441 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  UCR203198  Festuca microstachys R. G. Swinney 2005-5-21 8250 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  SEINET2473476 Image available Festuca myuros Richard G. Swinney 2009-4-24 10476 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 960 Comment
  LA13123  Festuca myuros Marjorie Bowler; 1937-10-21 Los Angeles Santa Monica Mountains, Gayley Avenue above Westwood Village, West Los Angeles Comment
  SBBG56690  Festuca myuros var. hirsuta R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  CATA782  Festuca perennis Mark L. Hoefs 1991-6-5 1344 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  UCR223336  Festuca pratensis R. G. Swinney 2009-5-27 10857 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR219430  Ficus carica R. G. Swinney 2009-3-28 10189 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
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Jan 23 2011
  RSA3553  Filago californica C. B. Wolf 1932-5-9 3497 q Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA746798  Filago californica R. G. Swinney 2008-3-26 8572 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR259949  Filago californica R. G. Swinney 2010-4-28 12436 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
  RSA527635  Filago californica Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-8 4389 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR256474  Frangula californica R. G. Swinney 2010-9-9 13769 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
  CAS-BOT-BC52563  Frangula californica subsp. californica Alice Eastwood 1928-6-15 15402 Los Angeles Claremont Comment
  RSA226118  Fraxinus dipetala Robert F. Thorne, C. W. Tilforth 1971-6-17 s.n. Los Angeles 7 miles up Little Tujunga Canyon Road from Little Tujunga station. San Gabriel Mountains, Angeles National Forest 671 Comment
  CDA5386  Fraxinus uhdei C. R. Tower Sep 1950 Los Angeles West bank of Rio Hondo, Montebello. 0 Comment
  CAS-BOT-BC211010  Fraxinus velutina Joseph Andorfer Ewan 1937-8-15 10968 Los Angeles West Fork San Gabriel River, San Gabriel Mts. 518 Comment
  UCR205652  Fraxinus velutina A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37001 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
  SEINET10529036  Freesia refracta David B. Dunn 1946-1 Dunn 1999 Los Angeles Ornamental in yard at 316 n. Ave. 5O Comment
  CAS-BOT-BC130251  Fritillaria biflora Grant 1901-3-10 3476 Los Angeles Pasadena, San Rafael Ranch Comment
  CAS-BOT-BC130252  Fritillaria biflora Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Cahuenga Pass near Los Angeles Comment
  CDA23811  Froelichia gracilis George Garrettson 1955-6-23 Los Angeles Santa Fe Rwy., San Dimas. 0 Comment
  SEINET3146814  Galinsoga parviflora var. parviflora E. Braunton 1902-10-2 716 Los Angeles Vernon; S CA Comment
  POM367651  Galium andrewsii H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  UCR147690  Galium andrewsii Steve Boyd, Amber Maurice 2004-5-18 11311 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA0116813  Galium angustifolium R. G. Swinney 2011-6-7 15092 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  JEPS114011  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-6-22 7998 Los Angeles Warm Springs Mountain; ca 450 m NW of summit. Comment
  LA50689  Galium angustifolium subsp. angustifolium Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA167631  Galium angustifolium subsp. angustifolium Peter H. Raven, Robert F. Thorne 1964-5-7 18997 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UC987822  Galium angustifolium subsp. angustifolium Reid Moran 1941-5-17 861 Los Angeles n San Fernando (n side of canyon); Pico Canyon 600 Comment
  POM219980  Galium angustifolium subsp. angustifolium F. R. Fosberg 1932-5-5 8109 Los Angeles Near Avalon, Santa Catalina Island. 30 Comment
  RSA182997  Galium angustifolium subsp. angustifolium Sherwin Carlquist, Robert F. Thorne 1966-4-28 1825 Los Angeles Near main road, Haypress. Comment
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Aug 3 2017
  RSA0091539  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-5-26 14874 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  UC1584911  Galium aparine Tim Ross 1991-4-8 4465 Los Angeles Elephant Hill San Dimas USGS 7.5' quadrangle, western Pomona (n slope) 330 Comment
  NY42935  Galium catalinense J. B. Walker 1995-4-8 1328 Los Angeles Santa Catalina Island, 2km S of Howland's Landing 100 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
  UC888843  Galium catalinense F. R. Fosberg 1931-3-27 S 4418 Los Angeles Pebble Beach Road Santa Catalina Island 30 Comment
  POM367797  Galium catalinense subsp. catalinense Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island Comment
  RSA678821  Galium grande Valerie L. Soza, Monica Acosta 2001-6-19 1296 -b Los Angeles Mt. Wilson Trail helispot, west side Little Santa Anita Canyon, ca. 2 miles from the Mt. Wilson trailhead in Sierra Madre. 823 Comment
  SBBG119263  Galium grande V. Soza, W. Law, L. Moore 2000-7-7 1056 Los Angeles N of Mt Bliss, Van Tassel Truck Trail (FS Rd 1N36), ca. 0.15 mi N of jct of Van Tassel Truck Trail and Van Tassel Rd (FS Rd 1N36A); T1N R10W SW/4, NE/4 S8 1082 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
  RSA608444  Galium hallii Louis C. Wheeler 1946-8-29 6309 Los Angeles San Gabriel Mountains: Vincent Gap. 2012 Comment
  CAS-BOT-BC494156  Galium jepsonii Valerie Soza 2004-6-17 1723 b Los Angeles San Gabriel Mountains, along Pacific Crest Trail, from Cloudburst Summit to Cooper Canyon, just below summit along Hwy 2 2103 Comment
  POM367854  Galium johnstonii Anstruther Davidson 1892-8-20 1867 Los Angeles Wilson's Peak Comment
  RSA0013556  Galium johnstonii Orlando Mistretta, Christine Mistretta 2011-6-30 5784 Los Angeles North Fork Mill Creek; along Forest Road 3N27 1200 Comment
  RSA0051343  Galium johnstonii Valerie Soza 2004-6-17 1722 b Los Angeles San Gabriel Mountains, ca. 1 mile east of Three Points, south side of Hwy 2. 1847 Comment
  LA208438  Galium nuttallii Joseph Andorfer Ewan; 1932-6-17 Los Angeles San Gabriel Mountains, One locality under Quercus chrysolepis on grassy slope. Barley Flats 1676 Comment
  RSA654222  Galium parisiense Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 946 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  UC520245  Galium porrigens Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA585533  Galium porrigens var. porrigens Tim S. Ross 1992-4-21 6225 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  SEINET4095005  Gambelia speciosa R. Moran 1941-1 602 Los Angeles Above the ocean, northwest of Johnson's Valley on Santa Catalina Island. 10 Comment
  RSA608696  Gamochaeta pensylvanica L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  SFV20993  Gamochaeta ustulata L. Gross, V. Soza 2003-5-15 894 a Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains north of La Tuna Canyon road. Started at end of Elben Ave., climbed north to ridgetop south of McDonald Creek, then east along ridgeline, then came back down into a small canyon at the end of Elben Place just east of where started. Gentle, east-facing slope near ridgetop on south-facing side of ridge line. 396 Comment
  RSA392411  Garrya elliptica H. de Forest, H. L. Bauer 1931-7-5 s.n. Los Angeles Santa Monica Mountains Comment
  POM3301  Garrya flavescens I. M. Johnston 1918-5-19 1982 Los Angeles Upper San Antonio Canyon. 1585 Comment
  CAS-BOT-BC158004  Garrya veatchii Ernest Braunton 1903-1-10 791 Los Angeles Arroyo Seco 243 Comment
  UCR143374  Garrya veatchii L. C. Wheeler 1931-12-30 424 Los Angeles San Gabriel Mtns, San Antonio Wash 671 Comment
  RSA97296  Garrya veatchii F. W. Peirson 1919-11-30 2723 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  SD239836  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles San Gabriel Mountains: Winston Peak (Waterman Mountain 7.5'Q) 2281 Comment
  RSA330779  Gayophytum decipiens Wayne E. Sawyer 1981-6-25 61 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  CATA2024  Genista linifolia Steven A. Junak, Keri Kirkland 1998-4-5 551 Los Angeles Santa Catalina Island: Toyon Bay, just inland from mouth of canyon 18 Comment
  RSA0110771  Genista monspessulana Steven A. Junak 1997-3-27 SCa- 350 Los Angeles Santa Catalina Island. Avalon Canyon, along lower part of Hermit Gulch Trail. 122 Comment
  RSA569938  Gilia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4847 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA735093  Gilia achilleifolia Rosemarie Zimmermann 1961-3-30 21 Los Angeles Blanchard Park, Pomona College. 366 Comment
  RSA72318  Gilia aliquanta subsp. aliquanta F. W. Peirson 1926-5-8 6730 Los Angeles Road to Los Angeles County playgrounds about 1/4 mile from Rock Creek north slope of San Gabriel Mtns. 1250 Comment
  LA52321  Gilia angelensis A. M. Johnson; 1932-3-12 3852 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SD234476  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns.: SW side of Castaic Mesa, E of Lake Hughes Rd., and the filtration plant, Newhall Ranch (Newhall 7.5' Q) 395 Comment
  LA91435  Gilia capitata subsp. abrotanifolia Bruce Douglas Clayton; Greg Shaw 1972-3-30 35 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, N end of Drawbridge firebreak 615 Comment
  RSA562542  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1993-4-23 8004 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of the Forest, upper portion of ridge on southern side of Whitney Canyon. 731 Comment
  UCSB32470  Gilia capitata subsp. abrotanifolia Coz, Susan 1977-6-4 Los Angeles 5 miles north on Malibu Canyon Road from Hwy. 1, on east side of road; across from Tapia Park 182 Comment
  UC908003  Gilia capitata subsp. staminea I. W. Clokey, B. C. Templeton 1930-4-8 4660 Los Angeles mi n Elizabeth Lake; n of Elizabeth Lake Comment
  RSA470149B  Gilia diegensis Anstruther Davidson s.n. Los Angeles Acton. Comment
  UCR186945  Gilia latiflora A. C. Sanders 2006-4-10 31995 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  CAS-BOT-BC226335  Gilia latiflora subsp. davyi Louis C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley 914 Comment
  CAS-BOT-BC226333  Gilia latiflora subsp. davyi Stevens No date on label s.n. Los Angeles Antelope Valley, Mojave Desert Comment
  RSA17127  Gilia latiflora subsp. davyi Theodore Payne 1936-5-19 s.n. Los Angeles 2 miles north junction of Neenach road and Old Ridge Route rd. Comment
  CAS-BOT-BC226396  Gilia latiflora subsp. latiflora Alice Eastwood; John Thomas Howell 1937-4-26 3962 Los Angeles Near Palmdale Comment
  RSA271451  Gilia latiflora subsp. latiflora C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1535 Los Angeles Junction of Hwy. 168 and 165 St., 3.5 miles east of Pearblossom and c. 3.5 air miles north of Bob's Gap. Comment
  RSA86549  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1954-4-19 9327 Los Angeles Just S of Lancaster on road to Palmdale. Comment
  RSA587166  Gilia modocensis Orlando Mistretta 1995-4-28 1653 Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  CAS-BOT-BC225503  Gilia nevinii Peter H. Raven 1962-4-10 17192 Los Angeles Slopes south of Wilson Cove, San Clemente Island 91 Comment
  CAS-BOT-BC225505  Gilia nevinii Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4262 Los Angeles Lower half of China Canyon, S end of island, W side, San Clemente Island Comment
  UCR68847  Gilia nevinii Steve Boyd, Orlando Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4165 Los Angeles Channel Islands, San Clemente Island, head of Larkspur Canyon, E side of island, south of US Navy site called 'Jack 213 Comment
  RSA0017082  Gilia ochroleuca subsp. bizonata C. B. Wolf 1928-3-29 1576 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  UCR192824  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-6 6297 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  RSA152127  Gilia ochroleuca subsp. vivida Wesley O. Griesel 1962-6-6 s.n. Los Angeles Hwy 2, E of Newcombs Ranch, San Gabriel Mts 1829 Comment
  SFV21985  Gilia splendens subsp. grantii J. N. Hogue 2011-7-23 397 .2 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  UC1745968  Gilia splendens subsp. grantii Annetta M. Carter, Arthur Carter 1935-9-13 991 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  UCR240247  Gnaphalium canescens Dan S. Cooper 2012-3-21 312- 18 Los Angeles South Coast, Santa Monica, Ashland Ave. near Lincoln Blvd. 20 Comment
  RSA714982  Gnaphalium canescens subsp. thermale R. G. Swinney 1997-9-6 5859 Los Angeles San Gabriel Mountains: Jackson Lake area. Ball Flat, 0.8-0.9 mi N of Big Pines Hwy at end of SW spur of Forestry Service Rd 4N16 1875 Comment
  RSA594981  Gnaphalium luteoalbum Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2358 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  RSA534058  Gnaphalium luteoalbum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5265 Los Angeles San Clemente Island: Westerly fork of near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336ft) marker, 1800ft SE of Malo Knoll (1396ft). 313 Comment
  POM305061  Gnaphalium microcephalum Henry J. Ramsey, Henry J. Ramsey 1937-1-3 358 Los Angeles Altadena 396 Comment
  RSA529922  Gnaphalium palustre Timothy S. Ross 1991-8-16 5828 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  POM358900  Gnaphalium palustre L. C. Wheeler 1934-3-31 2496 Los Angeles La Verne 305 Comment
  UCR141463  Grayia spinosa June Latting 1973-4-29 s.n. Los Angeles Mojave Desert/Northern San Gabriel Mtns. Foothills, Crystalaire, Antelope Valley 1098 Comment
  POM359065  Grindelia camporum var. bracteosa Anstruther Davidson 1893-3-8 s.n. Los Angeles Wiseburn. Comment
  CAS-BOT-BC305253  Grindelia hirsutula Samuel B. Parish 1887-6-1 1935 Los Angeles Gladstone Comment
  RSA772521  Guillenia lasiophylla R. G. Swinney 2009-5-13 10767 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  UC1118616  Gutierrezia sarothrae J. Horton 1937-7-17 485 Los Angeles San Dimas Wash San Dimas Experimental Forest, Pomona Quadrangle Comment
  UCR210068  Haplopappus squarrosus A. C. Sanders 2009-11-6 37212 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CLARK-A1528-1893  Haplopappus venetus John C. Roos 1942-9-12 1720 Los Angeles Comment
  POM40462  Hazardia cana T. S. Brandegee 1894-8-25 s.n. Los Angeles San Clemente Island Comment
  SBBG96966  Hazardia cana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4308 Los Angeles near Malo Pt, first cyn S of Bryce Cyn, S side of lower Cyn Comment
  POM359470  Hazardia squarrosa var. grindelioides M. B. Dunkle 1930-3-30 2155 Los Angeles Santa Catalina Island, Moonstone Beach. Comment
  UCR139121  Hedera helix L. C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains, Camp Bonita 610 Comment
  RSA638955  Helenium bigelovii L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, 0.4 miles (airline) south southeast of Burkhart Saddle. 2012 Comment
  CAS-BOT-BC223983  Helianthemum scoparium P. A. Munz; R. D. Harwood No date on label 3951 Los Angeles Santa Monica Mts., Sepulveda Canyon 243 Comment
  CAS-BOT-BC223985  Helianthemum scoparium Crawford; Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mts. Comment
  RSA609077  Helianthemum scoparium L. C. Wheeler 1932-6-4 807 Los Angeles Live Oak Canyon 518 Comment
  UCR197194  Helianthemum scoparium Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 672 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  RSA0083013  Helianthus annuus R. G. Swinney 2010-5-4 12510 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
  RSA0085550  Helianthus annuus R. G. Swinney 2010-4-21 12322 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  UC1069456  Helianthus annuus R. St. John 1933-3-24 355 Los Angeles Aliso Canyon Santa Susana Quad., Aliso Canyon 487 Comment
  UCR281651  Helianthus annuus R. G. Swinney 2014-5-27 16656 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  CDA34314  Heliotropium curassavicum M. O'Brien 2011-6-25 16 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  POM126524  Heliotropium curassavicum var. oculatum R. L. Pendleton 1909-7-6 s.n. Los Angeles Catalina Cove, Santa Catalina Island. Comment
  RSA251378  Hemizonia clementina R. F. Thorne 1996-4-17 36095 Los Angeles San Clemente Island: Top of bluff near Duty Office, Wilsons Cove. NE end of island. 30 Comment
  RSA320814  Hemizonia clementina F. C. Boutin 1967-4-23 1634 Los Angeles San Clemente Island: Wilson Cove Comment
  UCR94696  Hemizonia pungens A. C. Sanders, E. J. Lott 1993-5-6 13960 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  SFV4904  Hesperolinon micranthum M. H. Grayum 1971-5-19 s. n. Los Angeles Santa Monica Mountains Along Cold Creek Road just north of Monte Nido. 274 Comment
  UC1348881  Hesperolinon micranthum Robert F. Thorne 1967-5-18 36880 Los Angeles dry slope above Wild Boar Gully (Cercocarpus Arroyo); Santa Catalina Island, Salta Verde 213 Comment
  RSA100336  Heterocodon rariflorum F. W. Peirson 1921-6-14 1210 Los Angeles Trail fork of San Gabriel River 990 Comment
  CAS-BOT-BC143683  Heteromeles arbutifolia Carl B. Wolf 1936-1-3 7692 Los Angeles Santa Catalina Isl., Avalon, slopes at East side of valley 60 Comment
  CAS-BOT-BC143685  Heteromeles arbutifolia L. R. Abrams; I. L. Wiggins 1931-7-4 331 Los Angeles White's Landing, Santa Catalina Island Comment
  CATA338  Heteromeles arbutifolia Mark L. Hoefs 1973-7-14 378 Los Angeles Santa Catalina Island: East of Wrigley Memorial Garden, upper Avalon Canyon 106 Comment
  CHSC3722  Heteromeles arbutifolia Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. Comment
  RSA0110756  Heteromeles arbutifolia R. G. Swinney 2011-10-25 15867 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA454322  Heteromeles arbutifolia House, Grumbles 1930-5-13 s.n. Los Angeles San Clemente Island. Comment
  RSA578631  Heteromeles arbutifolia Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8121 Los Angeles Ruby Canyon: 3.1 road miles WNW of Ruby/Clearwater Saddle, along Ruby-Clearwater Truck Trail; NW side of Red Mountain. 744 Comment
  RSA654266  Heteromeles arbutifolia Monica Acosta 1998-5-25 20 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  SD143733  Heteromeles arbutifolia Scott D. White 1997-2-2 4657 Los Angeles San Dimas/Pomona area: Bonelli Regional Park. Just NW of Puddingstone Reservoir, S of San Dimas Ave., and E of the I-210 Freeway. 244 Comment
  SFV21147  Heteromeles arbutifolia J. M. Keefe 2001-1-19 30949 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. South by southeast face of the Eagle Rock. 305 Comment
  SBBG53309  Heterotheca grandiflora D. M. Power 1972-11-11 Los Angeles terrace W of Wilson's Cove Comment
  CAS-BOT-BC318867  Heterotheca grandiflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4285 Los Angeles Lower half of China Canyon on the south end of the island, west side, San Clemente Island Comment
  RSA0074405  Heterotheca grandiflora M. B. Dunkle 1932-1-10 2858 Los Angeles Silver Canyon Trail, Santa Catalina Island. Comment
  RSA0075657  Heterotheca grandiflora Richard Noyes, L. Arnseth 1988-4-30 552 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  CHSC85569  Heterotheca sessiliflora subsp. fastigiata John Dittes 2003-12-27 860 C Los Angeles Western Transverse Range; Big Tujunga Canyon; floodplain of Big Tujunga Creek; ca. 1.8 air-miles north by northeast of Sunland, ca. 2.2 air-mile north by northeast of Verdugo Hills High School, ca. 0.9 air-mile southwest of confluence Gold Canyon. 520 Comment
  LA210550  Heterotheca sessiliflora subsp. sessiliflora A. M. Johnson; 1927-10-20 2659 .5 Los Angeles Antelope Valley, Palmdale Comment
  UCR12254  Heuchera abramsii Art Whistler 1966-6-23 s.n. Los Angeles Hwy 2 past Mt. Wilson Rd. 2287 Comment
  RSA0062939  Heuchera elegans Peter Gail 1961-5-27 61 Los Angeles Mt. Wilson Rd. 3 m. S. of Mt. Wilson Hotel. Comment
  RSA0062985  Heuchera elegans Fordyce Grinnell Jr. 1911-08 s.n. Los Angeles Mt. Wilson, San Gabriel Mountains. 1795 Comment
  POM21341  Hieracium argutum Fordyce Grinnell Jr 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  CAS-BOT-BC319770  Hieracium argutum G. B. Grant 1901-6-1 4466 Los Angeles Sturdevants Camp 1524 Comment
  JEPS36567  Hieracium argutum F. W. Peirson 1921-7-16 2502 Los Angeles San Gabriel River San Gabriel Mts. 1371 Comment
  CHSC95368  Hirschfeldia incana LeRoy Gross; Wayne Law 2000-8-8 251 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  OBI26213  Hirschfeldia incana Mark Schneider 1974-1-3 s.n. Los Angeles 7 Hills Ranch avocado orchard, Tujunga 549 Comment
  UC16301  Hoita macrostachya J. H. Barber 1897-9-14 15 Los Angeles Santa Monica Expt. Station Comment
  POM186285  Holodiscus discolor Joseph A. Ewan 1933-7-4 7853 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mountains 1067 Comment
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Feb 3 2011
  RSA449776  Holodiscus discolor Robert L. Dressler 1949-6-18 888 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  RSA602801  Holodiscus microphyllus Louis C. Wheeler 1967-9-13 10739 Los Angeles San Gabriel Mountains: West Baldy. 3043 Comment
  RSA639888  Holodiscus microphyllus Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Headwaters of Cruthers Creek, north side Will Thrall Peak, on Burkhart trail. 2012 Comment
  SBBG31284  Hordeum murinum R. F. Thorne 1966-4-4 35796 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  UCR186928  Hordeum murinum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32026 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA712469  Hordeum murinum subsp. glaucum LeRoy Gross 2005-5-19 2292 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  CATA1198  Hordeum murinum subsp. murinum Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2223 Los Angeles Santa Catalina Island: White's Landing, sea bluff and open, flat areas bordering beach 6 Comment
  UCR219935  Hordeum vulgare R. G. Swinney 2009-4-16 10378 B Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  RSA0092862  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara L. Crockett 1997-3-27 SCa- 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road. 229 Comment
  LA202284  Hordeum vulgare var. trifurcatum Arthur C. Gibson; 2005-5-21 5031 Los Angeles Comment
  POM35148  Horkelia rydbergii F. W. Peirson 1921-6-16 2448 Los Angeles Pine Flats. 1524 Comment
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Jul 29 2016
  UCSB26719  Hulsea heterochroma Wilken, Dieter 1969-7-3 Los Angeles Ridge west of Soldier Creek, along California State Highway 39, about 1 mile west of junction to Crystal Lake, San Gabriel Mtns. 1828 Comment
  RSA659915  Hulsea vestita subsp. gabrielensis Orlando Mistretta 1991-10-14 s.n. Los Angeles Magic Mtn., San Gabriel Mountains. Comment
  RSA127765  Hypochaeris glabra Peter H. Raven, H. J. Thompson 1959-6-4 14315 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  RSA601575  Hypochaeris glabra L. C. Wheeler 1967-6-16 9841 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side Coulter Reservoir. 655 Comment
  CATA329  Isocoma menziesii var. menziesii Mark L. Hoefs 1973-7-13 366 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  POM359500  Isocoma menziesii var. sedoides M. B. Dunkle 1928-4-29 1898 Los Angeles Santa Catalina Island. Little Harbor Comment
  POM246811  Jaumea carnosa F. R. Fosberg 1931-5-18 4895 Los Angeles Little Harbor, Santa Catalina Island 4 Comment
  POM361341  Jaumea carnosa George R. Johnstone 1929-7-12 s.n. Los Angeles Playa del Rey. Comment
  CATA1409  Jepsonia malvifolia Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2559 Los Angeles Santa Catalina Island: By road, just past the Isthmus, toward West end 33 Comment
  RSA151002  Jepsonia malvifolia P. H. Raven 1962-4-10 17222 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island 488 Comment
  CAS-BOT-BC426241  Jepsonia parryi D. E. Breedlove 1961-9-23 1264 Los Angeles Fourth of July Cove, Santa Catalina Island 21 Comment
  CAS-BOT-BC101894  Juglans californica G. B. Grant 1900-3-17 3493 Los Angeles Lincoln Park, edge of [Arr] Arroyo Seco Comment
  POM199723  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-04 4465 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  SD237248  Juncus R. G. Swinney 2009-5-27 10887 Los Angeles Transverse Range; San Gabriel Mtns.: Solphur Springs Campground, streamside from campground to 300 m downstream. 1584 Comment
  UCR126353  Juncus acutus A. C. Sanders 2003-8-6 27123 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SBBG128414  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-6-21 2294 Los Angeles Upper Bullrush Cyn 286 Comment
  UCR273745  Juncus balticus R. G. Swinney 2011-6-15 15186 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  CATA813  Juncus bufonius var. bufonius Mark L. Hoefs 1991-6-17 1388 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  RSA624461  Juncus bufonius var. bufonius L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  UCR271539  Juncus ensifolius R. G. Swinney 2011-10-13 15802 A Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  RSA729334  Juncus macrophyllus R. G. Swinney, Dave Larson 1999-7-21 7562 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  RSA368267  Juncus macrophyllus Anstruther Davidson 1892-08 s.n. Los Angeles Mt. Wilson, San Gabriel Mtns. Comment
  UC212767  Juncus macrophyllus Ivan Johnston 1916-10-15 Los Angeles Evy Canyon; stream Comment
  UCR124693  Juncus mexicanus B. C. Templeton 1932-6-18 4927 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
  UCR95192  Juncus mexicanus L. C. Wheeler 1946-8-28 6291 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  RSA0127456  Juncus oxymeris Louis C. Wheeler 1967-7-20 10139 Los Angeles Aliso Canyon. 1067 Comment
  RSA0013469  Juncus rugulosus Orlando Mistretta, Youssef Atallah 2011-8-16 6041 Los Angeles Aliso Canyon near junction of Aliso Canyon Road and Angeles Forest Highway. 1259 Comment
  UC115099  Juncus rugulosus A. J. McC. 1893-7-8 156 Los Angeles Pasadena Comment
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Aug 5 2010
  UCR172294  Juncus rugulosus Anuja Parikh, Nathan Gale 2005-7-15 2140 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  POM308901  Juncus rugulosus Kay H. Beach 1943-8-27 673 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  UCR206487  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  IRVC5230  Juncus xiphioides Peter H. Raven, H. J. Thompson 1960-7-17 15542 Los Angeles Along Stream in Arroyo Sequit 1.6 miles above Coast Highway. Comment
  CAS-BOT-BC80998  Juniperus californica W. R. Dudley; F. H. Lamb 1896-6-7 4342 Los Angeles Near Neenach, Antelope Valley Comment
  RSA352421  Juniperus californica Carolin P. Canby 1928-3-5 s.n. Los Angeles San Fernando Valley Comment
  RSA571792  Juniperus californica L. C. Wheeler 1932-4-10 612 Los Angeles Gleason Canyon 914 Comment
  RSA651020  Juniperus californica Brent Mishler 1977-10-6 s.n. Los Angeles San Gabriel River flood control area, Irwindale. Comment
  SEINET10834060  Juniperus californica Barry A. Prigge 1970-12-29 Prigge 113 Los Angeles 8 km SE of Llano on county road N-4, on northern slope of San Gabriel mountains; arborescent shrubs to 2.5 m high, 2-3 m diameter, in Joshua tree woodland bordering pinyon- juniper woodland. Decomposed granite soil. 1160 Comment
  CAS-BOT-BC235769  Keckiella cordifolia Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  CATA990  Keckiella cordifolia Mark L. Hoefs 1994-5-21 1864 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  RSA401704A  Keckiella cordifolia George Henry Grinnell 1910-06 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA401776A  Keckiella cordifolia N. R. Zabriskie, W. M. Zabriskie 1970-6-13 307 Los Angeles East Fork San Gabriel River, 1/2 mile above fork, San Gabriel Mountains. 610 Comment
  RSA647798  Keckiella cordifolia LeRoy Gross, Laura Moore 2000-6-5 207 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  RSA400464  Keckiella ternata subsp. ternata Anstruther Davidson 1895-06 2145 Los Angeles Wilson Peak. Comment
  JEPS85628  Keckiella ternata var. ternata Frank W. Peirson 1918-8-6 263 Los Angeles Mt. Wilson; San Gabriel Mountains 1584 Comment
  UCR24209  Kochia californica John C. Roos 1947-9-18 2790 Los Angeles Western Mojave Desert, 2 mi north of Lancaster 710 Comment
  POM308942  Koeleria macrantha Kay H. Beach 1943-5-11 653 Los Angeles Little Meadow near fire break below The Forest Boundary Comment
  UC1870208  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  SFV18162  Lactuca serriola J. N. Hogue 1997-7-10 91 .1 Los Angeles Los Angeles, Eagle Rock. 152 Comment
  RSA585121  Lamarckia aurea C. Epling 1931-5-25 s.n. Los Angeles Los Alisos Canyon Comment
  SFV21873  Larrea tridentata J. O. Exconde, Jr., M. P. Rothenay 2008-5-3 15 Los Angeles Mojave Desert Antelope Valley. West of Lancaster along Lancaster Road, west of 160th Street West. 850 Comment
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Mar 6 2016
  UCR140602  Larrea tridentata Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 3- 26 Los Angeles San Gabriel Mtns/Mojave Desert, Route 18 at W 263 Street, Site L3 1033 Comment
  UCR99347  Larrea tridentata Steve Boyd, Lauren Raz 1996-10-14 9057 Los Angeles Libre Mountains, Near the head of of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped between Sierra Highway and Highway 14, just west of Vincent Fire Station 939 Comment
  CAS-BOT-BC338156  Lasthenia californica Marcus E. Jones 1882-5-2 3211 Los Angeles Pasadena Comment
  POM361488  Lasthenia californica M. B. Dunkle 1932-5-28 2967 Los Angeles White's Landing, Santa Catalina Island. Comment
  SFV3753  Lasthenia californica P. G. Kilburn 1958-3-29 674 Los Angeles Santa Susana Mountains Standard Oil property adjoining Phil Gentile Ranch. 457 Comment
  CAS-BOT-BC329157  Lasthenia glabrata subsp. coulteri H. M. Hall 1903-4-1 3736 Los Angeles Near Los Angeles Comment
  RSA0060768  Lasthenia gracilis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6823 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SEINET956190  Lathyrus strictus Louis C. Wheeler 1934-1 2469 Los Angeles Liveoak Canyon, San Gabriel Mts. 472 Comment
  SFV20853  Lathyrus vestitus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 717 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  UCR124361  Lathyrus vestitus I. W. Clokey, B. C. Templeton 1929-1 4463 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR192930  Lathyrus vestitus Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., north side of Mt. Bell, Griffith Park, Los Angeles 457 Comment
  RSA405686  Lathyrus vestitus subsp. laetiflorus Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon 1067 Comment
  JEPS55285  Lathyrus vestitus var. vestitus Frank W. Peirson 1920-5-16 2137 Los Angeles Tujunga Canyon San Gabriel Mountains 472 Comment
  POM243786  Lavatera assurgentiflora subsp. assurgentiflora F. R. Fosberg 1931-5-22 7167 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA536066  Lavatera assurgentiflora subsp. assurgentiflora Tim S. Ross 1991-5-22 5437 Los Angeles San Clemente Island, east edge of Wilson Cove Settlement along outer road loop near tennis court. 55 Comment
  SBBG12943  Lavatera assurgentiflora subsp. glabra E. R. Blakley 1962-10-4 5395 Los Angeles Avalon Terrace in Avalon 30 Comment
  CDA5006  Lavatera cretica Scott D. White 1998-4-28 6350 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Palos Verdes area: Slope above Portugese Bend , east of Altamira Cyn. Vegetation types including annual grassland, degraded coastal sage scrub, and degraded sumac chaparral. USGS 7 1/2 San Pedro quad ca 33 44 1/2 N, 118 22 1/2 W Comment
  UC34693  Layia glandulosa J. Burtt Davy May 9 1896-May 24 1896 2466 Los Angeles Manzana Antelope Valley, Manzana 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
  CAS-BOT-BC377809  Layia platyglossa C. F. Baker 1904-4-15 4177 Los Angeles Claremont Comment
  RSA0083165  Layia platyglossa R. G. Swinney 2010-6-1 13129 Los Angeles lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent. 994 Comment
  UC30660  Layia platyglossa H. P. Chandler 1897-5-3 Los Angeles Claremont 365 Comment
  RSA597142  Lemna minuta L. C. Wheeler 1961-2-28 7801 Los Angeles Santa Monica Mountains. Griffith Park, Ferndell. Comment
  RSA409625  Lepechinia fragrans Verda Harlow 1936-07 s.n. Los Angeles Arroyo Seco Canyon . Comment
  UCR222634  Lepidium appelianum David Charlton 2010-7-21 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, SW of Piute Ponds and adjacent to Shuttle Road and District 14 waste water outlet, west side of Shuttle Road at curve 698 Comment
  RSA67361  Lepidium fremontii F. W. Peirson 1932-4-17 9867 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. 762 Comment
  SBBG131891  Lepidium lasiocarpum S. A. Junak, D. Wilken 1996-3-27 SCI 258 Los Angeles just N of Eel Cove Cyn, with high midden 27 Comment
  RSA609505  Lepidium lasiocarpum var. lasiocarpum L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  UCR18756  Lepidium nitidum John C. Roos 1950-2-14 4706 Los Angeles Los Angeles, Echandia St. between Rinehart St. and Prospect Park 104 Comment
  RSA3569  Lepidium nitidum C. B. Wolf 1932-5-12 3582 Los Angeles 1 miles E of the Banning House at the Isthmus 152 Comment
  RSA0039143  Lepidium strictum R. G. Swinney 2010-3-10 11786 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  IRVC26467  Lepidium virginicum A. C. Sanders, Mark Elvin, et al. 2003-3-5 25708 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  RSA479519  Lepidium virginicum var. pubescens Steve Boyd, Thomas Elias 1987-4-14 2060 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  UCR199964  Lepidium virginicum var. pubescens Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1157 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 457 Comment
  RSA429656  Lepidium virginicum var. pubescens Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  UC220221  Lepidospartum squamatum Katharine Brandegee Los Angeles Ravenasa Comment
  UC57577  Lepidospartum squamatum J. H. Barber 1896-9-1 Los Angeles Santa Monica Forestry Station Comment
  UCD134039  Lepidospartum squamatum W. G. Watkins 1931-6-1 s.n. Los Angeles Elizabeth Canyon Comment
  RSA252712  Lepidospartum squamatum var. squamatum David W. Wheat 1972-9-1 739 Los Angeles On Padua Avenue near Foothill Blvd., 1 mile east of Claremont 366 Comment
  UCR127393  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA682611  Leptodactylon californicum Scott D. White, Michael Honer 2003-5-7 9221 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  SEINET12278990  Leptodactylon californicum J. F. Bright, Wyman, C. 1931-1 5512 Los Angeles foothills of Mt. Wilson Comment
  RSA773783  Leptodactylon pungens R. G. Swinney 2009-7-22 11305 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  SBBG112781  Leptosiphon bicolor S. A. Junak 1998-4-4 SCa 532 Los Angeles Little Ripper's Cyn 73 Comment
  RSA73079  Leptosiphon liniflorus F. W. Peirson 1919-6-7 456 Los Angeles Divide between Cow Canyon and San Antonio canyon. 1372 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
  RSA612151  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1158 Comment
  SBBG95417  Leptosyne gigantea M. B. Dunkle 1929-4-7 2117 Los Angeles White's Landing Comment
  CAS-BOT-BC123032  Lessingia lemmonii var. peirsonii Frank Warrington Peirson 1923-6-9 3550 Los Angeles Liebre Mts., Kings Canyon 1173 Comment
  CAS-BOT-BC283777  Leymus cinereus A. D. E. Elmer 1902-6-1 3662 Los Angeles Lancaster Comment
  POM365314  Leymus condensatus Edwin Kline 1926-6-6 s.n. Los Angeles Santa Monica. Comment
  POM352207  Leymus triticoides Robert Gustafson 1978-6-1 970 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  UC205749  Leymus triticoides I. Johnston 1917-5-13 Los Angeles El Monte; rail road embankment 114 Comment
  RSA662614  Limonium perezii Scarlett Mellin 1994-5-28 22 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive Comment
  LA85758  Limonium perezii P. R. Atsatt; 1965-7-10 554 Los Angeles Santa Monica Mountains, Pacific Coast Hwy, 1.0 mi W of Topanga Canyon Rd Comment
  SD90331  Limosella acaulis Robert F. Thorne, J. Dourley 1967-10-10 37340 Los Angeles San Gabriel Mts., Angeles National Forest: Jackson Lake, west end 1867 Comment
  UC52363  Linanthus aureus H. M. Hall Apr 1902 3031 Los Angeles Antelope Valley 1219 Comment
  CAS-BOT-BC226741  Linanthus californicus Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canon [Canyon], San Gabriel Mts Comment
  CHSC3699  Linanthus californicus Mary Mac Arthur 1966-4-28 7 Los Angeles San Franciskito. 304 Comment
  SD39827  Linanthus californicus Edith A. Purer 1931-5-8 2062 B Los Angeles Griffith Park Comment
  RSA468430  Linanthus californicus subsp. glandulosus Fordyce Grinnell Jr. 1910-6-11 s.n. Los Angeles Mountain situations, San Gabriel Mountains Comment
  RSA468458  Linanthus californicus subsp. glandulosus T. B. Merson 1940-7-11 s.n. Los Angeles Griffith Park. Comment
  RSA729818  Linanthus concinnus R. G. Swinney 1998-7-16 6285 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  LA33441  Linanthus dianthiflorus Peter H. Raven; 1959-4-4 13954 B Los Angeles 24 Comment
  JEPS58395  Linanthus dichotomus Frank W. Peirson 1919-5-10 393 a Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  UC572572  Linanthus dichotomus A. D. Gifford 1935-3-25 501 Los Angeles 5.25 mi ne Sawmill Peak; Tejon Quad. 914 Comment
  UC1537474  Linanthus parryae Gordon H. True Jr. 1935-4-19 273 Los Angeles Lovejoy Butte 853 Comment
  POM9144  Linanthus parryae W. R. Dudley 1896-6-8 4338 Los Angeles Kings Canon, [canyon] Liebre Mts. Comment
  UCSB5183  Linanthus parryae Haller, John 1957-4-13 Los Angeles Palmdale Ave., and ca. 9 mi. E. of center of Palmdale. 762 Comment
  UC106809  Linanthus parviflorus Brandegee Los Angeles Saugus Comment
  RSA729393  Linanthus pungens R. G. Swinney 1998-7-21 6488 Los Angeles Fish Fork Trail, 1.9 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2134 Comment
  RSA586687  Linanthus pungens Orlando Mistretta, Mark Elvin 1995-6-20 1788 Los Angeles San Gabriel Mountains: Bare Mountain Canyon, head of drainage, E of Pacifico Mtn, at end of Forest Rd. 3N7E. 2073 Comment
  RSA305702  Lithophragma affine subsp. mixtum Mark Hoefs, D. Propst 1973-5-4 211 Los Angeles Middle of Middle Ranch Canyon; Santa Catalina Island. 244 Comment
  RSA0031846  Lobularia maritima Geraldine Dodd 1992-5-2 003 Los Angeles 2 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. 975 Comment
  RSA441647  Loeflingia squarrosa Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  CAS-BOT-BC342194  Logfia filaginoides John Thomas Howell 1928-5-4 3776 Los Angeles Between dam and Deer Park in Monrovia Canon [Canyon], San Gabriel Mts. Comment
  RSA598358  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-5-24 9748 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA0105326  Lomatium lucidum P. A. Munz 1925-4-23 9437 Los Angeles San Gabriel Canyon. 488 Comment
  RSA746901  Lomatium lucidum R. G. Swinney 2005-4-23 8221 Los Angeles Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 556 Comment
  SBBG59798  Lomatium mohavense J. R. and R. C. Robbins 1930-3-25 Los Angeles W Mojave Desert Comment
  UCR223613  Lonicera interrupta R. G. Swinney 2009-6-17 11216 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA754351  Lonicera subspicata var. denudata Ellen Mackey, Bart O'Brien, Blake Whittington 2006-11-14 NFWF- 1854 Los Angeles San Gabriel River Watershed; Webb Canyon Road bridge 413 Comment
  RSA533905  Lotus argophyllus subsp. ornithopus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5150 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924' BM at the E end of the old airfield landing strip. 250 Comment
  RSA350756  Lotus argophyllus var. hancockii M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA167834  Lotus argophyllus var. ornithopus R. F. Thorne, P. C. Everett 1964-2-6 33279 Los Angeles Santa Catalina Island, W of Catalina Harbor at Isthmus. 15 Comment
  UCR141855  Lotus crassifolius R. G. Swinney 1997-8-19 5824 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  RSA406095  Lotus crassifolius var. crassifolius Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon 1524 Comment
  POM50108  Lotus dendroideus var. dendroideus L. W. Nuttall 1921-1-14 1004 Los Angeles Santa Catalina Island. Big Wash Canyon. Comment
  RSA273124  Lotus dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Catalina Harbor, Santa Catalina Island. Comment
  RSA724421  Lotus grandiflorus K. Dobry 1993-1-25 d- 1144 Los Angeles Santa Monica Mts. off Saddle Peak Rd So. of Hondo Cyn Comment
  POM50650  Lotus heermannii var. heermannii L. R. Abrams 1900-08 870 Los Angeles San Gabriel Canyon Comment
  SEINET3131497  Lotus heermannii var. heermannii G. E. Grant 1904-6-10 716 -6100 Los Angeles Ballona Marsh Comment
  RSA755850  Lotus oblongifolius R. G. Swinney 2008-7-2 9140 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA406211  Lotus oblongifolius var. oblongifolius Geo. L. Moxley 1915-7-5 359 Los Angeles Arroyo Seco Canyon Comment
  UC1585954  Lotus procumbens var. procumbens Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7480 Los Angeles n side San Gabriel Mts. (Co. Rd. N2) (Pine Canyon Rd, along San Andreas Fault, on n side of road); San Gabriel Mts., San Andreas Fault Comment
  UC397232  Lotus purshianus var. purshianus D. L. Crawford Los Angeles Claremont Comment
  SFV15582  Lotus salsuginosus R. K. Stachelek 1992-4-14 24 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park, along upper part of fire road. 520 Comment
  UC1211035  Lotus salsuginosus Huron H. Smith 1912-5-31 5050 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  UCR173881  Lotus salsuginosus Scott D. White, Michael Honer 2003-6-18 9560 Los Angeles Liebre Mtns, Canyon Country: immediately above homes and detention basins in tributary west of Tick Canyon 640 Comment
  UC56567  Lotus scoparius W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  RSA762356  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-2-20 10024 Los Angeles Mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  UCR11622  Lotus strigosus Harlan Lewis 1940-4-3 1270 Los Angeles Southern Coast, 10 mi. north of Malibu Beach Comment
  UCR126746  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26233 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  UCR223771  Lotus strigosus R. G. Swinney 2009-6-17 11172 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA406936  Lotus strigosus var. strigosus Reid V. Moran 1941-3-11 701 Los Angeles Santa Catalina Island. Ridge north of Middle Ranch. 300 Comment
  CAS-BOT-BC201194  Lupinus R. G. Swinney 2008-7-25 9306 Los Angeles San Gabriel Mtns.: Twin Peaks, east side 2366 Comment
  RSA294748  Lupinus Lyman Benson 1945-4-14 11677 Los Angeles Claremont. 351 Comment
  UCR271091  Lupinus albifrons R. G. Swinney 2011-4-28 14524 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 963 Comment
  SEINET10688762  Lupinus arizonicus subsp. arizonicus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3623 Los Angeles South facing side of ravine west of the buildings of California Poly. Campus. 3 1/2 miles SW of San Dimas. Comment
  SD253452  Lupinus bicolor R. G. Swinney 2011-5-31 14925 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  UCR205850  Lupinus bicolor R. G. Swinney 2008-5-8 8820 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR223822  Lupinus bicolor R. G. Swinney 2009-6-17 11193 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA590477  Lupinus bicolor T. S. Ross, Walter Appleby 1993-5-20 7207 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA716211  Lupinus bicolor Andrea Edwards, Pam De Vries 2006-4-11 87 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SEINET7047887 Image available Lupinus bicolor Steven R. Hill, Kate Kramer 2001-4-22 33335 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  CATA3334  Lupinus concinnus Amy Catalano 2017-4-13 051 Los Angeles Santa Catalina Island: Steep hillside about 150 meters SW of junction of Silver Peak and Water Tank roads 323 Comment
  RSA413488  Lupinus concinnus Christopher Davidson 1973-4-7 1900 Los Angeles Bob's Gap Road, 3 miles toward the desert, 3 miles S of Hwy 138, east side of San Gabriel Mtns. 1098 Comment
  RSA517853  Lupinus concinnus subsp. concinnus Steve D. Boyd 1986-3-30 1504 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  CAS-BOT-BC216654  Lupinus excubitus subsp. hallii Alice Eastwood 1939-4-16 s.n. Los Angeles Santa Ana Botanic Garden Comment
  RSA702491  Lupinus excubitus var. austromontanus Scott D. White 2004-5-5 10307 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  SFV21472  Lupinus formosus J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide, on Little Tujunga Canyon. Fire break. 793 Comment
  RSA008610  Lupinus formosus Fay A. MacFadden 1931-3-10 3003 Los Angeles Tuna Canyon Comment
  SEINET8042182  Lupinus formosus G. B. Grant, W. Wheeler 1904-5-7 728 /6256 Los Angeles Glendora Comment
  SEINET3131572  Lupinus formosus var. bridgesii Unknown 1904-5-7 728 -6256 Los Angeles Glendora Comment
  SEINET11071866 Image available Lupinus formosus var. robustus George B. Grant, Walter Wheeler 1904-5-7 728 Los Angeles Glendora Comment
  RSA582912  Lupinus guadalupensis Mark Elvin, Gery Allan, T. S. Ross 1995-5-21 19 Los Angeles San Clemente Island: west side of island; at confluence of three fingers of upper Chenetti Canyon. Comment
  SBBG130885  Lupinus hirsutissimus S. A. Junak 1999-5-7 SCa 894 Los Angeles N side of Middle Ranch Cyn, near head of cyn 438 Comment
  SEINET8043941 Image available Lupinus hirsutissimus R. G. Swinney 2010-1 12441 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream) below Natl. Forest boundary. 488 Comment
  POM2560  Lupinus latifolius subsp. parishii D. W. Sturges 1916-4-12 s.n. Los Angeles Live Oak Canyon Comment
  CAS-BOT-BC211684  Lupinus longifolius Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk. Trail, San Gabriel Mts. Comment
  CAS-BOT-BC211717  Lupinus longifolius LeRoy Abrams 1902-7-10 2505 Los Angeles Playa del Rey Comment
  UC535526  Lupinus longifolius Ira W. Clokey, B. Templeton May 1929 4560 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) 250 Comment
  RSA91317  Lupinus longifolius F. W. Peirson 1921-4-10 7723 Los Angeles San Dimas Canyon, south base of San Gabriel Mts 442 Comment
  SD186210  Lupinus microcarpus var. microcarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek. 296 Comment
  CAS-BOT-BC207248  Lupinus peirsonii Wesley O. Griesel 1962-5-28 s.n. Los Angeles State Hwy. #2 2-2 1/2 miles EAst of Dawson Saddle, San Gabriel Mts. 2286 Comment
  HSC14874  Lupinus sparsiflorus C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA414264  Lupinus sparsiflorus subsp. sparsiflorus Anstruther Davidson 1890-5-1 s.n. Los Angeles Near Burbank Comment
  RSA479512  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1987-4-14 2057 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  RSA0080643  Lupinus succulentus R. G. Swinney 2010-3-10 11811 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA604390  Lupinus succulentus Sara L. Crockett 1997-3-28 617 Los Angeles End of Cat Harbor road, NE side of Cat Harbor 15 Comment
  LA52452  Lupinus truncatus Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM2607  Lupinus truncatus H. Story 1902-05 s.n. Los Angeles Collected near Pasadena Comment
  UCR126245  Lupinus truncatus A. C. Sanders 2003-3-14 25778 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  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
  RSA661017  Lupinus truncatus Orlando Mistretta 1992-4-5 157 Los Angeles Guds, San Clemente Island. Comment
  SEINET10489081  Lupinus truncatus Robert F. Thorne 1971-4-2 Thorne 41422 Los Angeles San gabriel mts. Johnson's pastures, n of mtn ave., Claremont. Flowers Purple. 549 Comment
  LA209684  Lycium cooperi A. M. Johnson; 1932-4-17 3939 Los Angeles 10 mi W of Palmdale Comment
  UC56897  Lycopus americanus Ernest Braunton Sept. 1902 688 Los Angeles Ballona Comment
  RSA409648  Lycopus americanus Anstruther Davidson 1890-08 s.n. Los Angeles [Los Angeles]? Comment
  CAS-BOT-BC140220  Lyonothamnus floribundus subsp. aspleniifolius Herman Knoche 1919-7-4 Series A, No. 1004 Los Angeles Camp Mesquite, San Clemente Island 274 Comment
  UC284968  Lyonothamnus floribundus subsp. aspleniifolius P. A. Munz 1923-4-10 6758 Los Angeles canyon wall s Lemon Tank (east coast); San Clemente Island Comment
  CAS-BOT-BC142279  Lyonothamnus floribundus subsp. floribundus Reid Moran 1941-2-28 652 Los Angeles Head of Johnson's Canyon - Santa Catalina Island Comment
  UCSB2826  Lyonothamnus floribundus subsp. floribundus Muller, Cornelius 1953-5-2 Los Angeles Upper end of Swain Canyon, near ridge top, Santa Catalina Island Comment
  SBBG13287  Lyonothamnus floribundus var. aspleniifolius M. A. Piehl 1962-6-10 62404 Los Angeles cyn E of Thirst 304 Comment
  POM307062  Lythrum californicum Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1944 Los Angeles Below north Whittier Heights Comment
  RSA748445  Madia elegans subsp. elegans Orlando Mistretta 1992-8-20 755 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  POM362164  Madia exigua F. R. Fosberg 1931-5-21 4950 Los Angeles Santa Catalina Island, Parson's Landing. 5 Comment
  SD69703  Madia exigua Robert F. Thorne 1966-4-29 36319 Los Angeles Santa Catalina Island, slopes below road to White's Landing above turn off to Echo Lake 409 Comment
  PASA2331  Madia exigua Frank W. Peirson 1923-5-21 Los Angeles Fish Canyon, San Gabriel Mts. 914 Comment
  POM362203  Madia sativa Louis Greata 1900-9-10 4097 Los Angeles Cambell-Johnston Ranch Comment
  RSA725843  Maianthemum stellatum Richard G. Swinney 1997-7-16 5667 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA641078  Maianthemum stellatum Orlando Mistretta 1995-7-12 1926 Los Angeles San Gabriel Mountains: Angeles Crest Highway, 2 miles west of Dawson Saddle. 2316 Comment
  UCSB33708  Maianthemum stellatum Miller, Brian 1960-7-6 Los Angeles Dawson's Saddle area, San Gabriel, Mountains 2316 Comment
  RSA0083119  Malacothamnus R. G. Swinney 2010-6-4 13040 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA503450  Malacothamnus davidsonii Louis C. Wheeler 1967-7-18 10110 Los Angeles San Gabriel Mountains, Angeles National Forest: Gold Creek off Little Tujunga Canyon. 549 Comment
  UC1871315  Malacothamnus davidsonii T. S. Ross, S. D. Boyd 1993-6-30 7387 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western SAN GABRIEL MTS.: near middle portion of Loop Canyon; San Fernando 7.5' USGS quad, R15W T3N, SW/4 SW/4 SE/4 SE/4 sect 14; ca 2245 feet elevation. 684 Comment
  CAS-BOT-BC206197  Malacothamnus fasciculatus Alice Eastwood 1918-6-10 s.n. Los Angeles The Isthmus, Santa Catalina Island Comment
  POM199710  Malacothamnus fasciculatus I. W. Clokey, Bonnie C. Templeton 1929-07 4595 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  CAS-BOT-BC206369  Malacothamnus fremontii Wesley O. Griesel 1961-8-9 s.n. Los Angeles Blue Ridge, San Gabriel Mts. 2225 Comment
  UCR107798  Malacothrix californica Steve Boyd, V. Soza 1998-4-28 10170 Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  CAS-BOT-BC345413  Malacothrix clevelandii Geo. B. Grant 1906-6-10 6668 Los Angeles Mt Lowe, Pasadena Comment
  CAS-BOT-BC345415  Malacothrix clevelandii Geo. B. Grant 1906-6-10 6668 Los Angeles Mt Lowe, Castle Canyon Trail Comment
  PASA320  Malacothrix coulteri Margaret Stason 1930-5-18 Los Angeles Lancaster Comment
  UCR277149  Malacothrix coulteri R. G. Swinney 2011-4-19 14421 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  SDSU4753  Malacothrix foliosa R. M. Beauchamp 1967-3-18 266 Los Angeles Along road west of Fleet Composite Squad 3 field; San Clemente Island. Comment
  UC1215243  Malacothrix foliosa Peter H. Raven 1962-4-11 17279 Los Angeles on sandy beach due w Wall 2; San Clemente Island 9 Comment
  SBBG101134  Malacothrix foliosa subsp. foliosa T. Ross, E. Kellogg 1992-4-13 6146 Los Angeles vicinity of Darter, (340 degrees NNW, 1140 m distant from 199' Benchmark near Flasher;, ca. 250 m NNW of shifting sands) 18 Comment
  RSA773532  Malacothrix glabrata R. G. Swinney 2009-4-29 10573 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  SBBG66066  Malacothrix glabrata R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  POM320348  Malacothrix glabrata Lynne Hayden 1970-4-18 124 Los Angeles Neaar Pretty ) Ranch on N4 off of 138 to Lancaster, San Gabriel Mt. 1220 Comment
  RSA602764  Malosma laurina L. C. Wheeler 1972-12-24 12799 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 Comment
  SBBG131601  Malosma laurina S. A. Junak 1999-7-15 SCa 1022 Los Angeles just above Salta Verde Beach 6 Comment
  RSA503438  Malus sylvestris Louis C. Wheeler 1966-11-27 9164 Los Angeles San Gabriel Mountains: North side Mt. Sally, headwaters of Upper Big Tujunga Canyon by Angeles Crest Hwy, c. 1 mile east Shortcut Picnic Grounds. 1524 Comment
  SD85106  Malva assurgentiflora E. R. Blakley 1961-9-23 4639 Los Angeles Santa Catalina; Bird Rock, 0.5 mile offshore from Isthmus Harbor. 6 Comment
  UCR258699  Malva parviflora R. G. Swinney 2010-3-22 12026 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR51471  Malva parviflora Steve Morgan 1974-5-2 101 Los Angeles San Fernando Valley, Canoga Park, 7414 Variel Street 244 Comment
  SD132622  Malva parviflora M. B. Dunkle 1939-4-6 7293 Los Angeles San Clemente Island. Mosquito Harbor, beach bank by cabin. Comment
  POM307069  Malvella leprosa Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1937 Los Angeles Near Walnut, roadside. Comment
  SEINET3133676  Malvella leprosa Unknown 3681 Los Angeles Gardena Comment
  LA200419  Marah macrocarpa O. H. Kappler; 1941-2-9 88 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA440986  Marah macrocarpa T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
Read comments
Jul 10 2011
  RSA657472  Marah macrocarpa Joseph M. Keefe 2001-1-24 31029 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SFV18456  Marah macrocarpa S. Haennelt May 1976 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park., west section. Comment
  RSA0036913  Marrubium vulgare Phil Elliott 1981-2-20 13 Los Angeles Diamond Bar, 1/2 mile west of Diamond Bar Blvd., 1/4 mile south of Grand Ave. Comment
  LA200186  Matricaria discoidea Miss Courtney; 1926-4-3 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCR55755  Matricaria matricarioides J. A. Adams 1964-5-8 41 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  RSA12393  Matricaria matricarioides C. B. Wolf 1934-4-11 5605 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
  RSA445534  Meconella denticulata Bonnie C. Templeton 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles Nat'l Forest. Comment
  UC1178663  Meconella denticulata Peter Kamb 1947-5-25 536 Los Angeles near Sunset Ridge Guard station; San Gabriel Mtns, Millard Canyon 670 Comment
  SBBG12325  Medicago polymorpha P. H. Raven 1962-4-9 17130 Los Angeles near barracks, Wilson Cove 60 Comment
  UC73223  Medicago polymorpha Elizabeth Palmer June 1902 Los Angeles Los Angeles Comment
  UC865606  Medicago polymorpha L. W. Nuttall 1920-1 60 Los Angeles Santa Catalina Island Comment
  UCR99467  Medicago polymorpha L. C. Wheeler 1957-5-17 7267 Los Angeles San Gabriel Valley, Pasadena. NW corner of Cal Tech campus, San Pasqual St. and North Wilson Avenue Comment
  RSA529296  Medicago polymorpha Tim S. Ross 1991-4-8 4482 Los Angeles Elephant Hill: western Pomona. 229 Comment
  UCD107888  Medicago polymorpha Louis C. Wheeler 1967-5-15 9602 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  UC53922  Melampodium perfoliatum Ernest Braunton Aug 1902 625 Los Angeles Cienega Comment
  UCR178188  Melia azedarach LeRoy Gross, Valerie Soza 2003-5-15 920 Los Angeles Transverse Ranges; Verdugo Mountains, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 1600 Comment
  CAS-BOT-BC281534  Melica imperfecta Peter H. Raven 1959-5-3 14060 Los Angeles Santa Monica Mts. Mulholland Drive near Beverly Glen Blvd 381 Comment
  POM204736  Melica imperfecta Le Roy Abrams 1901-6-4 1689 Los Angeles Los Tunas Canon. Comment
  SEINET13386986 Image available Melica imperfecta R. G. Swinney 2010-1 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  UCR264058  Melica imperfecta Mitch Provance, Callen Huff 2009-4-28 10767 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
  UCR71168  Melica imperfecta Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4289 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  RSA91366  Melilotus albus F. W. Peirson 1919-3-30 354 Los Angeles Tujunga Canyon. West end of San Gabriel Mts. 427 Comment
  UCR131433  Melilotus indicus Alison Lipman 1998-5-6 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA0127373  Melilotus indicus Louis C. Wheeler 1967-7-20 10123 Los Angeles Aliso Canyon. 1067 Comment
  RSA533444  Melilotus indicus Tim S. Ross 1991-4-21 4505 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  UCR210480  Melinis repens R. G. Swinney 2008-12-2 9924 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA0050047  Mentha Wendy Boes, Andrew Wheeler 2009-7-13 2009 -044 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  SBBG69328  Mentzelia affinis R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  RSA314595  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1973-4-20 43019 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  RSA0097782  Mentzelia congesta R. G. Swinney 2011-4-26 14521 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA799903  Mentzelia laevicaulis Michelle Terrazino, Monica Rodriguez, Naomi S. Fraga 2013-7-23 10 Los Angeles Glendora Ridge Road. 1313 Comment
Read comments
Mar 31 2014
  UC1121708  Mentzelia laevicaulis var. laevicaulis Jerome S. Horton 1936-8-12 374 Los Angeles near West Gate (Road to Fern Canyon); Cucamonga Quadrangle 1066 Comment
  UC138555  Mentzelia laevicaulis var. laevicaulis C. F. Baker 1903-8-2 3452 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR220382  Mentzelia micrantha R. G. Swinney 2009-4-16 10354 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
  RSA609060  Mentzelia micrantha Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon.. 610 Comment
  RSA0117596  Mentzelia veatchiana A. C. Sanders 2008-4-16 34897 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert: west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138. 970 Comment
  RSA756894  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-7 2346 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UC872432  Mentzelia veatchiana I. W. Clokey, B. C. Templeton 1930-4-8 4657 Los Angeles w Lancaster 400 Comment
  UCR229146  Mentzelia veatchiana Dan S. Cooper 2011-5-5 511- 59 B Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  UC557623  Mesembryanthemum crystallinum Nell Murbarger 1936-3 97 Los Angeles s and w sides of San Clemente Comment
  CATA1848  Micropus californicus Denise Kraus 2000-4-19 3 Los Angeles Santa Catalina Island: West end of island, just off fence line road about 0.2 mile from (southern) ridge road 411 Comment
  SBBG117131  Microseris douglasii subsp. platycarpha S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1527 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  RSA535304  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5322 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA630314  Microseris lindleyi L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA491789  Mimulus aurantiacus var. pubescens James L. Reveal 1988-5-17 6786 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just north of Bouquet Reservoir, 1.7 mile west off the Bouquet Canyon Road between Palmdale and Saugus. 945 Comment
  UCR212751  Mimulus aurantiacus var. pubescens Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1759 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 349 Comment
  RSA442658  Mimulus aurantiacus var. puniceus Fay A. MacFadden 1931-4-22 2645 Los Angeles Power Plant No. 1, San Francisquito Canyon. Comment
  JEPS86956  Mimulus brevipes David M. Thompson 1988-5-5 876 Los Angeles 4.6 mi n Hwy 1 (along Malibu Canyon Road (Hwy N1), then 1.2 mi e along Piuma Road to entrance of Backbone Trail (n side of Piuma Rd.)); Santa Monica Mts. 180 Comment
  UCR272010  Mimulus brevipes R. G. Swinney 2010-4-28 12414 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
  RSA595807  Mimulus cardinalis Lauren Raz, S. D. Boyd 1996-10-23 44 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 610 Comment
  RSA524168  Mimulus constrictus Tim S. Ross, S. D. Boyd 1990-6-6 2879 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  UC1922304  Mimulus floribundus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 716 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 12.6'' N 118deg 17' 24.7'' W T2N 518 Comment
  UC446433  Mimulus floribundus C. F. Baker 1903-8-2 36448 Los Angeles near Claremont; San Antonio Canyon Comment
  UC1262271  Mimulus fremontii var. fremontii C. W. Tilforth, J. Dourley, W. Wisura 1978-4-17 1524 Los Angeles 2.5 air mi ne Valyermo (n slopes of mtns.); San Gabriel Mtns., Bob's Gap 1097 Comment
  UCR209130  Mimulus guttatus R. G. Swinney 2008-6-24 9094 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  RSA0056595  Mimulus johnstonii Orlando Mistretta 1991-7-30 s.n. Los Angeles On trail to Baldy. 2744 Comment
  JEPS11362  Mimulus nasutus F. W. Peirson 1918-5-19 197 Los Angeles back of Altadena; San Gabriel Mts., Millards Canyon 762 Comment
  POM145762  Mimulus parishii Thos. Craig 1927-6-19 489 Los Angeles 10 miles west of Ravenna. Comment
  UC729506  Mimulus parishii Carl B. Wolf 1932-8-11 4011 Los Angeles 1 1/4 mi below Big Rock Ranger Station (desert slope of mts.); San Gabriel Mts., Big Rock Creek 914 Comment
  RSA147408  Mimulus pilosus Thos. Craig 1927-6-19 477 Los Angeles Between Acton and Ravenna. Comment
  RSA434678  Mimulus pilosus Freda Detmers 1928-9-30 14930 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC467195  Minuartia Geo. B. Grant 1905-4-20 6488 Los Angeles Garvamza Comment
  SBBG20578  Mirabilis californica E. R. Blakley 1963-12-7 6331 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 15 Comment
  POM156356  Mirabilis laevis var. crassifolia L. R. Abrams 1902-6-9 2504 Los Angeles Playa del Rey. Comment
  UCR217706  Mollugo verticillata A. C. Sanders, Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA84231  Monardella australis F. W. Peirson 1929-7-1 8445 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  RSA733284  Monardella breweri R. G. Swinney 2001-5-17 7950 Los Angeles San Gabriel Mtns./Mojave Desert: Largo Vista area, along Panorama Rd. c. I mile west of Largo Vista Rd. 1338 Comment
  RSA0073224  Monardella candicans var. exilis Bonnie C. Templeton 1931-5-17 1204 Los Angeles North end of Boquet Canyon, San Gabriel Mts. Comment
  UCLA63055  Monardella cinerea Mrs. H. E. Wilder 1905-8-1 1928 Los Angeles near summit Mt. San Antonio Comment
  SBBG13617  Monolepis nuttalliana P. H. Raven 1962-5-9 17653 Los Angeles cyn just N of Guds 249 Comment
  UC849126  Mucronea californica Louis C. Wheeler 1932-6-4 798 Los Angeles wash at Arrow Hwy; San Gabriel Wash 106 Comment
  RSA640281  Muhlenbergia microsperma R. F. Thorne 1971-5-18 41364 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  UCR137595  Muhlenbergia microsperma R. G. Swinney 1990-1-6 1510 Los Angeles San Gabriel Mtns, Glendora, c. 0.2 mi SW of Little Dalton Park on Glendora Mountain Road 427 Comment
  UCR2591  Muhlenbergia microsperma F. M. Reed 1925-6-18 5137 Los Angeles N of Arcadia 366 Comment
  RSA641502  Muhlenbergia richardsonis L. C. Wheeler 1967-8-24 10499 Los Angeles Angeles National Forest: SW slope of Mt. Waterman 2164 Comment
  SEINET13387061 Image available Muhlenbergia rigens R. G. Swinney 2011-1 15732 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UC1746135  Muhlenbergia rigens Annetta M. Carter, Arthur Carter 1935-9-11 971 Los Angeles Chilao Ranger Station at junction of Charleton Flats (Pine Flats) & Pacifico Road. San Gabriel Mtns. 457 Comment
  RSA718268  Muilla maritima R. G. Swinney 1998-4-14 5992 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  SBBG20585  Munzothamnus blairii E. R. Blakley 1963-12-8 6385 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 304 Comment
  SD51842  Munzothamnus blairii Peter H. Raven 1962-7-11 17992 Los Angeles San Clemente Island; canyon north of station Nanny, northeast of Lemon Tank. Comment
  CAS-BOT-BC101644  Myrica californica E. A. Howard 1930-8-1 s.n. Los Angeles Santa Monica Mts. Comment
  POM73734  Nama stenocarpa H. E. Hasse 1890-05 s.n. Los Angeles Hillside and Canyon Comment
  CAS-BOT-BC259789  Nassella cernua Frank W. Gould 1944-3-26 2176 Los Angeles Palos Verdes Hills near Walteria Comment
  RSA702538  Nassella cernua Scott D. White 2004-5-5 10285 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  LA9444  Nassella lepida Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA550588  Nassella pulchra Fred M. Roberts, R. E. Riefner, P. Bowler 1989-4-4 4231 Los Angeles San Clemente Island: Stone Survey Marker Field Station, 10.3km SSE Wilson Cove along eastern escarpment. alt 360m 360 Comment
  SD28066  Navarretia hamata Carl B. Wolf 1932-5-10 3525 Los Angeles Santa Catalina Island; along the equestrian Trail, back of Avalon 259 Comment
  UC133713  Navarretia hamata J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  RSA187831  Navarretia hamata subsp. leptantha R. F. Thorne 1966-4-7 25939 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  UC150153  Navarretia prostrata Dr. N. S. Gardner 1907-5-1 Los Angeles West Washington St., Los Angeles Los Angeles Comment
  RSA774256  Nemacladus sigmoideus R. G. Swinney 2009-5-12 10749 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock 1061 Comment
  RSA421312  Nemophila menziesii Ora M. Clark 1929-3-30 1896 Los Angeles W. of Lancaster Comment
  RSA421319  Nemophila menziesii H. Twining 1906-02 s.n. Los Angeles Foothills Comment
  UCR178885  Nemophila menziesii var. integrifolia R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 'Water Pipe Canyon' [=Pavil Cyn] a tributary of Big Dalton Canyon 451 Comment
  LA52040  Neogaerrhinum kelloggii Carl Epling; 1926-2-21 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC2042002  Nephrolepis cordifolia R. E. Riefner Jr. 2014-7-27 14 -258 Los Angeles City of Long Beach, N of E 2nd St. and W of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Ave. at E. Broadway St. Comment
  RSA760683  Nerium oleander R. G. Swinney 2008-11-30 9879 Los Angeles Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  OBI35608  Nicotiana glauca Rebecca Cicoria 1981-5-18 27 Los Angeles Portuguese Bend slide area, N of Narcissa Dr, Rancho Palos Verdes Comment
  RSA0062514  Nicotiana glauca R. G. Swinney 2010-4-20 12312 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0087242  Nicotiana glauca R. G. Swinney 2010-5-4 12533 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
  RSA578893  Nicotiana glauca Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8099 Los Angeles Cottonwood Swamp' confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 512 Comment
  LA201537  Oenothera biennis Arthur C. Gibson; 2003-9-2 4891 Los Angeles Santa Monica Mountains, Franklin Canyon, near amphitheater Comment
  CAS-BOT-BC167066  Oenothera californica R. F. Thorne; M. Z. Thorne 1969-7-10 38439 Los Angeles San Gabriel Mts., Angeles National Forest: tributary to small stream south of Wrightwood-Big Pines Hwy., c. 1.5 miles W of Wrightwood, Swarthout Valley 1950 Comment
  POM355309  Oenothera californica Anstruther Davidson s.n. Los Angeles Lancaster. Comment
  UCR138537  Oenothera californica subsp. californica L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Juniper Hills Road, Juniper Hills, just north of road 1372 Comment
  LA90657  Oenothera deltoides Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, S end of Edwards Air Force Base, on 140th St Comment
  POM3081  Oenothera deltoides subsp. deltoides H. M. Hall 1906-6-11 7386 Los Angeles Lancaster. Comment
  SEINET10478708  Opuntia X occidentalis John Milton Bigelow 1854-3-19 Bigelow s.n. Los Angeles Near Los Angeles. Comment
  SBBG69415  Opuntia basilaris var. brachyclada R. Hoffmann 1925-5-16 Los Angeles Mint Cyn Comment
  SEINET10731655  Opuntia echinocarpa LeRoy R. Abrams, Ernest A. McGregor 1908-7-2 Abrams 564 Los Angeles Rock Creek, Desert slopes of the San Gabriel Mountains. Comment
  RSA250439  Oreonana vestita R. F. Thorne, John Dourley 1967-10-3 37295 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA646089  Oreonana vestita Orlando Mistretta 1993-6-2 864 Los Angeles San Gabriel Mountains: Along road to Vincent Mine. 2063 Comment
  RSA0103794  Orobanche fasciculata R. G. Swinney 2011-6-14 15115 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC1125591  Orobanche fasciculata A. D. Gifford 1935-5-10 699 Los Angeles 1 3/4 miles SSE of Neenach. Tejon 7.5' Quad. Comment
  RSA0048361  Orthocarpus purpurascens S. Karlin s.n. Los Angeles Santa Monica Mountains. Comment
  RSA555359  Orthocarpus purpurascens var. ornatus D. Charlton 1991-5-18 5183 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  RSA402068  Orthocarpus purpurascens var. purpurascens Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  RSA660810  Osmorhiza brachypoda Gerald Braden, Lori Ackerman, Arthur Davenport 1988-5-4 16 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA128260  Oxalis albicans subsp. californica H. J. Thompson 1959-3-31 1907 Los Angeles 1 mile north of Mulholland Highway, 1.8 miles south of Malibu Junction, Cornell Road 274 Comment
  CATA3428  Oxalis pes-caprae Tobias Nickel, Ben Dion 2017-5-11 005 Los Angeles Santa Catalina Island: Salt Cedar WMU, remote drainage on Pacific side near cliff 219 Comment
  UC1375410  Oxytheca parishii var. parishii Robert F. Thorne 1969-7-2 38329 Los Angeles near Islip Saddle (on Angeles Crest Hwy, at Jarvis Memorial Vista); San Gabriel Mts., Angeles National Forest 2057 Comment
  UCR101298  Oxytheca trilobata L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns, Devil's Canyon, depression on bench NE of campground 1433 Comment
  UCR101509  Oxytheca trilobata Steve Boyd, T. S. Ross, Laura Moore, Valerie Soza 1997-7-8 10004 Los Angeles Liebre Mtns., Saddle between Sawmill Mountain and Liebre Mountain at the head of the north fork of Fish Canyon 1457 Comment
  RSA126748  Packera breweri P. H. Raven 1959-5-1 14051 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virenes Rd. 274 Comment
  RSA656310  Paeonia californica Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 659 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 579 Comment
  UC854364  Paeonia californica I. W. Clokey and E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon 900 Comment
  SDSU627  Paeonia californica A. H. Gallup 1949-3-25 351 Los Angeles On Mills avenue northeast of Claremont 381 Comment
  SBBG57157  Panicum capillare R. Hoffmann 1927-8-30 Los Angeles near Saugus Comment
  UCR259086  Panicum capillare R. G. Swinney 2010-9-1 13664 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  CAS-BOT-BC274178  Pappostipa speciosa Lewis S. Rose 1968-4-5 68017 Los Angeles Acton, Mojave Desert 822 Comment
  UC1109373  Parapholis incurva Peter H. Raven 1962-4-10 17187 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 106 Comment
  UCR216557  Parietaria hespera Dan S. Cooper 2010-4-23 410- 56 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Griffith Park, Western Canyon, ridge NW of the observatory 291 Comment
  UCD111486  Parietaria hespera Daryl Koutnik 1978-4-21 397 Los Angeles Scholl Canyon just N of the Eagle Rock. 304 Comment
  UC1714586  Parietaria hespera var. hespera L. R. Abrams and I. L. Wiggins 1931-7-6 369 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UCR68913  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4241 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA608314  Parietaria hespera var. hespera Louis C. Wheeler 1930-5-17 42 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA0049588  Parkinsonia aculeata Justin M. Wood, T. Valentovich 2012-6-6 4788 Los Angeles Mojave Desert: Between Palmdale and Littlerock, near intersection of Pearblossom Hwy. (138), Cheseboro Rd., and E Avenue T. 843 Comment
  SD187491  Parthenocissus vitacea R. E. Riefner Jr. 2007-5-27 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. 68 Comment
  CLARK-A1528-4790  Paspalum dilatatum John C. Roos 1947-5-11 3605 Los Angeles Los Angeles Comment
  RSA623864  Paspalum distichum Charlotte M. Hoak 3908 Los Angeles Santa Monica Canyon. Comment
Read comments
May 29 2014
  RSA97333  Pastinaca sativa var. sativa Joseph A. Ewan 1933-7-23 7816 Los Angeles Throughly naturalized along stream Colby s Ranch Coldwater Canyon. San Gabriel Mts. 1143 Comment
  SBBG79038  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 8158 Los Angeles ridge S of Grand Cyn 250 Comment
  OBI44913  Pectocarya penicillata David J. Keil, V. L. Holland, Michael Stiles, & Francis Villablanca 1987-5-1 20063 Los Angeles San Gabriel Mts. Along Big Pine hwy W of Jackson Lake Comment
  UCR220254  Pectocarya penicillata R. G. Swinney 2009-4-28 10506 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR263073  Pectocarya penicillata Mitch Provance 2008-4-14 10143 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  UCR270482  Pectocarya penicillata R. G. Swinney 2011-4-1 14299 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
  RSA0111946  Pectocarya setosa Richard G. Swinney 2011-4-19 14402 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  UCR186574  Pectocarya setosa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32218 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  RSA534030  Pellaea andromedifolia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5287 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Upper portion of drainage. 305 Comment
  RSA686731  Pellaea andromedifolia V. Anderson 1973-4-21 s.n. Los Angeles Santa Catalina Island. Above Little Harbor at lookout near pullout. 61 Comment
  RSA128282  Pellaea andromedifolia var. andromedifolia H. J. Thompson 1959-3-27 1884 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak. 701 Comment
  SD51908  Pellaea andromedifolia var. pubescens Peter H. Raven 1962-4-11 17304 Los Angeles San Clemente Island, about 1 mile south of Wilson Cove 120 Comment
  CATA433  Pellaea mucronata var. californica Sara L. Crockett, Mark Elvin 1997-3-17 571 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road 381 Comment
  RSA229125  Pellaea mucronata var. mucronata R. F. Thorne, C. W. Tilforth 1971-6-30 40842 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: above Little Sycamore Campground along Little Rock creek 1189 Comment
  SEINET10294780  Penstemon centranthifolius N. Rinden 1971-5-2 33 Los Angeles 6 miles NW of Phelan on Hwy 138 1280 Comment
  UC2042041  Penstemon centranthifolius Orlando Mistretta 1992-5-16 1 Los Angeles Transverse Ranges; San Gabriel Mountains region: Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski Area. Comment
  UC27416  Penstemon centranthifolius Harley P. Chandler 1897-3-14 Los Angeles San Dimas 609 Comment
  UCR270489  Penstemon centranthifolius R. G. Swinney 2011-6-15 15169 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCSB9673  Penstemon centranthifolius Crum, Charles 1958-7-3 Los Angeles Crystal Lake recreation area; near Los Angeles, California below 1828 Comment
  UC1584891  Penstemon grinnellii Tim Ross, Steve Boyd 1991-7-24 5623 Los Angeles ridge nne G.M. (Granite Mountain vicinity); , Pacifico Mountain Quad, nne G.M. 1865 Comment
  RSA68356  Penstemon grinnellii Verne Grant, Alva Grant 1951-6-11 16033 Los Angeles Near Hwy 2, several miles beyond Red Box Ranger Station. Comment
  NY601641  Penstemon heterophyllus var. australis I. W. Clokey 05 1929 4522 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  RSA408090A  Penstemon heterophyllus var. australis Erwin Miller 1934-6-30 19115 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  JEPS81722  Penstemon labrosus Rimo Bacigalupi with Reino Alava 1958-7-20 6440 Los Angeles near Grassy Hollow (close to summit of Blue Ridge, near Grassy Hollow); San Gabriel Mts., Angeles National Forest 2225 Comment
  RSA755905  Penstemon rostriflorus R. G. Swinney 2008-7-24 9296 Los Angeles Waterman Mountain 2412 Comment
  UCR141588  Penstemon rostriflorus June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2409 Comment
  UCR270965  Penstemon spectabilis var. subviscosus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 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 deg. ) NNW of the trailhead 451 Comment
  SEINET11173500  Penstemon spectabilis var. subviscosus W. O. Griesel 1959-4-16 Los Angeles Santa Monica Mts., Old Topanga Rd. 152 Comment
  CDA1000  Pentagramma triangularis D. G. Kelch 1991-3-23 1313 Los Angeles Catalina Island. East of Avalon. Comment
  RSA0070714  Pentagramma triangularis M. M. Culter 1916-3-30 s.n. Los Angeles Fern Canyon. Comment
  UCR200126  Pentagramma triangularis subsp. triangularis Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 766 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 Motorway 518 Comment
  RSA687379  Pentagramma triangularis subsp. triangularis M. Bisbee 1917-5-3 s.n. Los Angeles Hills north side Eagle Rock Valley Comment
  RSA687387  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1933-4-19 3319 Los Angeles Palos Verde Hills. Comment
  HSC3897  Peritoma arborea C. S. Apperson 1967-6-3 Los Angeles 6 mi. E of Hwy. 99 on Avenue D. Comment
  OBI70933  Peritoma arborea Steve Boyd, Lauren Raz 1997-3-25 9311 Los Angeles Liebre Mts region: Upper end of broad alluvial valley at head of Cienaga cyn, southern base of Liebre mtn, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  UCD116259  Peritoma arborea Kenneth A. Wilson 1961-3-11 982 Los Angeles Bouquet Canyon. 1 mile S of Texas Canyon. Comment
  CAS-BOT-BC73752  Peritoma arborea var. arborea Louis C. Wheeler 1931-11-23 367 Los Angeles Floatstone Quarry, 4 mi. SE Redondo Beach 76 Comment
  SD85193  Peritoma arborea var. arborea E. R. Blakley 1961-9-23 4743 Los Angeles Santa Catalina Island; beach bluff between Isthmus Harbor and Fisherman's Cove. 4 Comment
  UC370907  Perityle emoryi R. L. Pendleton and F. M. Reed 1909-7-2 1378 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC419009  Persicaria lapathifolia Peter H. Raven; Henry J. Thompson 1959-10-14 14636 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). East end of Malibu Lake 220 Comment
  RSA777621  Phacelia affinis Orlando Mistretta, Christine Mistretta 2010-5-20 5148 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  SBBG64841  Phacelia bicolor R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  RSA0088599  Phacelia brachyloba R. G. Swinney 2010-5-11 12686 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  VVC265  Phacelia cicutaria P. J. MacKay 1975-5-10 s.n. Los Angeles San Gabriel Mtns., Hwy N4, ca 1 mile north of Mile High, 2040 Comment
  UC1426008  Phacelia cicutaria var. hispida Donald R. Bissing 1973-6-2 124 Los Angeles at roadside 0.5 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 743 Comment
  SEINET3158087  Phacelia ciliata E. K. Balls, L. W. Lenz 1950-3-28 14473 Los Angeles 3 miles E of junction of Hwy 138 and road to Sandberg, Antelope Valley. 914 Comment
  RSA230049  Phacelia davidsonii Robert F. Thorne 1971-6-26 40598 Los Angeles Summit of Mt. Wilson. 1738 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
  RSA600800  Phacelia davidsonii Louis C. Wheeler 1955-4-16 7129 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  RSA0062528  Phacelia distans R. G. Swinney 2010-6-4 13052 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA426235  Phacelia distans George B. Grant 1905-4-26 s.n. Los Angeles Garvanza. Comment
  SEINET3260215 Image available Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mtns: Big Rock Creek at Paradise Springs, on campground property. 1470 Comment
  UCR229170  Phacelia distans Dan S. Cooper 2011-3-21 311- 29 Los Angeles Western Transverse Range; Santa Monica Mtns., Cahuenga Pass near Lakeridge Drive and 101 Fwy, Griffith Park 244 Comment
  UCR273593  Phacelia distans R. G. Swinney 2011-6-22 15233 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA426193  Phacelia distans Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA628033  Phacelia distans Louis C. Wheeler 1931-2-22 s.n. Los Angeles Sargents Grove: (vicinity of Claremont). Comment
  RSA428013  Phacelia egena Kenneth A. Wilson 1962-5-12 1277 Los Angeles Canyon with the public campgrounds leading to Devil's Punchbowl Park Comment
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Apr 5 2016
  SBBG64937  Phacelia fremontii R. Hoffmann 1929-4-27 Los Angeles Redman Comment
  UC577899  Phacelia fremontii A. D. Gifford 1935-3-27 516 Los Angeles 2 3/4 mi ne Sawmill Peak; Tejon Quadrangle 1219 Comment
  RSA427972  Phacelia grandiflora Geo. L. Moxley, Grinnell 1916-6-15 486 Los Angeles Santa Susana Mtns.: Devil s Canyon. Comment
  UC57032  Phacelia grandiflora Ernest Braunton 1901-6-18 76 Los Angeles W. Sherman Canyon Comment
  UCR150623  Phacelia grandiflora Scott D. White 1997-5-8 5097 Los Angeles Transverse Ranges; San Gabriel Mts region, San Gabriel River Canyon: State Hwy 39 N of Azusa; mountain slopes above San Gabriel Reservoir Comment
  UCR194768  Phacelia grandiflora Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 726 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 518 Comment
  UCD120618  Phacelia imbricata Kenneth A. Wilson 1962-5-12 1277 Los Angeles San Gabriel Mts., northern slope. Comment
  RSA230027  Phacelia imbricata subsp. imbricata Robert F. Thorne 1971-6-26 40610 Los Angeles San Gabriel Mountains, Angeles National Forest: N slope San Gabriel Peak 1433 Comment
  RSA0081622  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR147540  Phacelia longipes Naomi Fraga, Et al. 2004-5-20 1200 Los Angeles Transverse Ranges; San Gabriel Mountains, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground 1921 Comment
  UCSC001305  Phacelia longipes Peter Kamb 1947-6-9 589 Los Angeles San Gabriel, Little Rock creek 1890 Comment
  UC124484  Phacelia lyonii H. M. Hall 1908-6-16 8283 Los Angeles Avalon Santa Catalina Island Comment
  RSA0038710  Phacelia minor R. G. Swinney 2010-3-22 12003 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0091082  Phacelia minor R. G. Swinney 2011-3-22 14174 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA708692  Phacelia minor Valerie L. Soza, Miriam Sidibeh 2003-3-26 1598 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  SFV21794  Phacelia minor V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 750 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. South-southwest-facing slope below trail along ridgetop. 427 Comment
  UC1587616  Phacelia minor Tim Ross 1991-4-21 4523 Los Angeles just sw old water tank; Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 219 Comment
  UCR220360  Phacelia minor R. G. Swinney 2009-4-16 10358 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
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259901  Phacelia minor R. G. Swinney 2010-3-30 12120 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UC1424845  Phacelia ramosissima var. austrolitoralis C. W. Tilforth, J. Dourley, W. Wisura 1978-6-8 1596 Los Angeles w Malibu (base of bluffs); Point Dume Comment
  CAS-BOT-BC159086  Phacelia ramosissima var. latifolia Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass Comment
  SBBG65061  Phacelia viscida unknown -May-1893 Los Angeles Los Angeles Comment
  SBBG17813  Phalaris paradoxa P. H. Raven 1962-5-8 17621 Los Angeles near summit of ridge above Wilson Cove 137 Comment
  CAS-BOT-BC219548  Pholisma arenarium Dr. H. E. Hasse 1899-1-1 s.n. Los Angeles Near Santa Monica Comment
  RSA791794  Pholisma arenarium J. George 2011-7-12 s.n. Los Angeles South Coast: Palos Verdes Estates, just off Palos Verdes Dr. North. Comment
  RSA527794  Pholistoma auritum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4359 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1563053  Pholistoma membranaceum Steve Boyd and Orlando Mistretta 1986-3-31 1545 Los Angeles 4 mi. e. of junction with Hwy. 18 n.e. of Pinyon Hills (Hwy. 138); Mojave Desert Comment
  UCR168258  Pholistoma racemosum F. R. Fosberg 1931-3-23 S- 4333 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 60 Comment
  UC1228868  Pholistoma racemosum Peter H. Raven 1962-4-11 17264 Los Angeles rocks by sea due w. of Wall 2 San Clemente Isl. 3 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
  UC1971391  Phoradendron juniperinum subsp. libocedri Louis C. Wheeler 1946-8-25 6239 Los Angeles San Gabriel Mountains; Pine Flats, north end. Comment
  POM123322  Phoradendron macrophyllum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA729684  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1999-4-5 7034 Los Angeles Big John Flat. Joshua Tree woodland on flats.. 1646 Comment
  SD69796  Phyllospadix torreyi Robert F. Thorne 1966-4-4 35793 Los Angeles Santa Catalina Island; on rocks exposed at very low tide, Bird Rock Comment
  LA32091  Picris echioides Peter H. Raven; Henry J. Thompson 1959-9-18 14437 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA187693  Picris echioides R. F. Thorne 1966-9-14 36664 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA601637  Picris echioides L. C. Wheeler 1967-6-26 9871 Los Angeles Elsmere Canyon. 441 Comment
  RSA611673  Pilularia americana Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10104 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
  CATA3540  Pinus halepensis Benjamin J. Dion, Kristy Lanz 2018-5-18 007 Los Angeles Santa Catalina Island: Interior; in drainage in Middle Cottonwood Canyon watershed 177 Comment
  SD239482  Pinus halepensis Sandra Murcia s.n., Gregg Miller 2006-3-10 Los Angeles South Coast: Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes (Torrance 7.5'Q) 305 Comment
  RSA0073294  Pinus lambertiana Bonnie C. Templeton 1932-5-31 4863 Los Angeles Between Big Pines Camp and Jackson Lake, San Gabriel Mts. 1829 Comment
  RSA129451  Pinus monophylla H. A. Jensen 1933-6-1 310 Los Angeles Rock Creek 1372 Comment
  RSA605500  Pinus monophylla L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  SEINET13276727 Image available Pinus monophylla R. G. Swinney 2011-1 14452 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. (Pacifico Mountain 7.5' Q.) 1219 Comment
  RSA733668  Piperia Richard G. Swinney 1998-8-5 6640 Los Angeles San Gabriel Mtns.: Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  POM122776  Piperia cooperi Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  UC1595244  Piptatherum miliaceum Tim Ross and Peter Fritsch 1990-6-20 3595 Los Angeles mouth Burro Canyon (near the confluence of the e and w forks of the San Gabriel River); San Gabriel Mountains 445 Comment
  UCR223216  Plagiobothrys R. G. Swinney 2009-5-27 10888 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CAS-BOT-BC434970  Plagiobothrys arizonicus A. C. Sanders 2007-4-19 33431 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1098 Comment
  IRVC26446  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, et al. 2003-3-4 25704 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA708542  Plagiobothrys collinus var. gracilis Scott D. White, Brian Leatherman 2005-3-18 10800 Los Angeles City of Glendora, South Hills, just north of the I-210 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. 305 Comment
  CATA865  Plantago coronopus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1674 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  SBBG31261  Plantago coronopus R. F. Thorne 1965-5-11 34662 Los Angeles Picnic Ground 426 Comment
  RSA190994  Plantago erecta Robert F. Thorne, D. Propst, R. Carolin, R. C. Rollins 1967-3-18 36728 Los Angeles Catalina Island. Salta Verde, appox. N of Salta Verde Point 244 Comment
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May 17 2014
  SEINET6089751  Plantago erecta Unknown 1975-5-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR149302  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  UCR205696  Plantago indica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37024 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
  UCR272513  Plantago major R. G. Swinney 2011-10-27 15931 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  RSA649008  Plantago major Scott Lowe 1991-5-12 32 Los Angeles San Gabriel River chanel, about 500 m. norht of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  SBBG38672  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles China Pt Comment
  JEPS64467  Platanthera sparsiflora Frank W. Peirson 1919-6-15 505 Los Angeles Rock Creek San Gabriel Mountains 1295 Comment
  RSA191363  Platanthera sparsiflora Robert F. Thorne, Mae Z. Thorne 1967-7-19 37181 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area 1982 Comment
  CAS-BOT-BC434253  Platanus racemosa T. B. Salvato; H. Spencer Badet; Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  RSA518252  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  UCR176114  Platystemon californicus Holly A. Wanamaker 2005-5-1 09 Los Angeles Western Mojave Desert, Antelope Buttes, off Hwy 138 at 110th St. West in Lancaster, c. 4 mi. SW of intersection on a dirt road, adjacent to the California Poppy Preserve 912 Comment
  POM308927  Plectritis ciliosa subsp. insignis Unspecified s.n. Los Angeles Below Flume #5, San Dimas Experimental Forest, US Forest Dept Comment
  RSA576929  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1935-4-25 3439 Los Angeles Placerita Canyon. 457 Comment
  UCR125172  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  RSA748904  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA776171  Poa palustris Orlando Mistretta, Christine Mistretta 2010-6-17 5331 Los Angeles Upper Big Tujunga canyon; Alder Creek; 0.4 miles upstream (NW) of creek crossing at Upper Big Tujunga Canyon Road. 1025 Comment
  RSA0081701  Poa secunda R. G. Swinney 2010-5-19 12801 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
  RSA0119656  Poa secunda R. G. Swinney 2014-4-30 16300 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA535340  Poa secunda Timothy S. Ross 1991-5-21 5392 Los Angeles San Clemente Island. Upper easterly branch of Box Canyon, affected by recent burn. 463 Comment
  RSA715216  Poa secunda Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1951 Los Angeles Fort Tejon Road. Comment
  SBBG12190  Poa secunda subsp. secunda P. H. Raven 1962-4-10 17209 Los Angeles summit of Thirst 579 Comment
  SBBG92050  Poa secunda subsp. secunda S. A. Junak 1978-4-16 SCa 037 Los Angeles slopes above Fourth of July Cove 45 Comment
  UCD90710  Poa secunda subsp. secunda W. Biehler 1951-4-27 s.n. Los Angeles Elizabeth Lake area. Comment
  RSA702162  Polycarpon tetraphyllum Michael Honer 2004-6-22 1997 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  RSA708656  Polycarpon tetraphyllum Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1188 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  SBBG70011  Polycarpon tetraphyllum E. Rockwell -May-1921 71 Los Angeles Eaton Cyn 304 Comment
  RSA460041  Polygala cornuta var. fishiae Wm. Martin 1971-8-5 s.n. Los Angeles Stunt Canyon, Santa Monica Mts. Comment
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May 8 2014
  RSA464413  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1931-8-31 40 Los Angeles 2 miles NE of La Verne, along roadside. 381 Comment
  RSA464420  Polygonum aviculare subsp. aviculare H. L. Bauer 1929-1 s.n. Los Angeles Long Beach. Comment
  UCR206509  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36952 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA755570  Polygonum lapathifolium R. G. Swinney 2008-9-9 9327 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR99551  Polygonum persicaria B. G. Pitzer, Paul Gomez 1996-4-28 2741 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
  POM246614  Polypodium californicum F. R. Fosberg 1931-3-24 R 80 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  RSA0106772  Polypodium californicum R. G. Swinney 2011-11-3 15985 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  RSA127996  Polypodium californicum H. J. Thompson 1959-2-20 1834 Los Angeles Santa Monica Mountains: East facing rocky bank along stream, 0.5 mile above ocean, La Tuna Canyon 76 Comment
  UC62429  Polypodium californicum Ernest Braunton Jan. 1903 808 Los Angeles Arroyo Seco Comment
  UC812567  Polypodium californicum F. R. Fosberg 1931-3-24 R 80 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl. 80 Comment
  UCR194050  Polypodium californicum R. G. Swinney 1998-8-21 6780 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR261427  Polypodium californicum Joseph Cahill 2010-12-22 1210- 19 Los Angeles Western Transverse Range; Santa Monica Mountains, Mulholland Hwy, c. 2 miles from Pacific Coast Hwy 65 Comment
  UCSB62392  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill, San Dimas Comment
  UCSB62399  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's canyon Comment
  CAS-BOT-BC233091  Polypogon interruptus Carl B. Wolfe 1932-5-12 3609 Los Angeles Santa Catalina Island, Middle Ranch Canyon, near bridge on lower road to isthmus 30 Comment
  CATA1088  Polypogon interruptus Mark L. Hoefs 1995-5-16 2038 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  RSA547800  Polypogon interruptus Timothy S. Ross 1990-6-20 3602 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  UCR190283  Polypogon interruptus R. G. Swinney 1998-8-1 6608 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCSB70461  Polypogon monspeliensis Gross, LeRoy; Soza, Valerie 2001-6-6 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Wildwood Fire Road off of Verdugo Mountain Way dirt fire road; Down the road (north) until you come to bottom of canyon ± shady damp area in dry canyon bed 427 Comment
  SEINET10593653  Polypogon monspeliensis Joseph A. Ewan 1932-6-28 Ewan 7506 Los Angeles wet sand about river bed pool. Los Angelos River at Hyperion Bridge, Upper Sonoran Comment
  CATA1332  Polypogon viridis Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2433 Los Angeles Santa Catalina Island: Upper Buffalo Springs Reservoir 432 Comment
  RSA0025422  Polypogon viridis Duncan S. Bell, Caitlin Elam 2013-6-24 5241 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA693295  Polystichum imbricans subsp. curtum Albert J. Perkins 1913-2-23 s.n. Los Angeles Mt. Wilson Trail. Comment
  CHSC83320  Polystichum munitum John Dittes; Chris Williams 1989-4-29 4 Los Angeles Upper Big Tujunga River (Wikiup) 1/3 mile downstream of bridge to Camp Colby. 20 yards from river. Comment
  RSA600780  Populus fremontii subsp. fremontii Louis C. Wheeler 1962-6-30 8157 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  LA211143  Populus trichocarpa Arthur C. Gibson; 2010-4-7 5309 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, on the northern side of creek just east Malibu Creek, Piuma Rd. Comment
  POM366487  Potentilla anserina var. grandis Anstruther Davidson 1902-05 s.n. Los Angeles Ballona Comment
  SBBG128813  Poterium sanguisorba M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-21 2286 Los Angeles upper Bulrush Cyn 286 Comment
  CAS-BOT-BC206972  Prosopis glandulosa var. torreyana Timothy S. Ross; Annette H. Ross 1991-6-3 5554 Los Angeles Undeveloped slopes west of California State Polytechnic University, Pomona, San dimas USGS 7.5' - San Jose Hills 335 Comment
  RSA548671  Prosopis glandulosa var. torreyana Tim S. Ross, Annette Ross 1991-6-3 5554 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  SBBG34974  Prunus fasciculata var. fasciculata F. E. Clements 1931-4-5 Los Angeles San Gabriel Mtns Comment
  SFV22113  Prunus ilicifolia J. M. Keefe 2001-1-19 30984 Los Angeles San Fernando Valley Big Tujunga Wash, 200 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 385 Comment
  UC535380  Prunus ilicifolia Ira W. Clokey, B. Templeton 1929-5-1 4482 Los Angeles Mandeville Canyon, Santa Monica Mountains Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 250 Comment
  UCR255515  Prunus ilicifolia Dan S. Cooper 2014-6-26 614- 25 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  RSA86864  Prunus ilicifolia subsp. ilicifolia F. W. Peirson 1923-5-21 83 Los Angeles Fish Canyon 915 Comment
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Aug 20 2016
  SBBG10985  Prunus ilicifolia subsp. lyonii R. Moran 1958-9-16 6844 Los Angeles 2 mi SE of Eel Pt 150 Comment
  SBBG44676  Prunus ilicifolia subsp. lyonii W. A. Wright 1931-2-19 Los Angeles Bannings Cyn 152 Comment
  RSA251407  Prunus lyonii Robert F. Thorne 1966-4-17 36110 Los Angeles San Clemente Island: Large shrubs growing on steep S-facing canyon side near bottom of Box Canyon NW of Horse Canyon, SW of Thrist. 152 Comment
  SEINET3157252  Prunus occidentalis G. B. Grant 1045 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC154784  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  JEPS44912  Prunus virginiana var. demissa Frank W. Peirson 1919-6-4 82 a Los Angeles Icehouse Canyon; San Gabriel Mountain, Icehouse Canyon 2057 Comment
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Dec 10 2014
  RSA726051  Prunus virginiana var. demissa R. G. Swinney 1997-6-19 5624 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  UCR182124  Prunus virginiana var. demissa R. G. Swinney 1997-6-19 5624 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  UCR98738  Prunus virginiana var. demissa T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3368 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 120 m NW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  CATA1070  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-16 2010 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  SBBG127520  Pseudognaphalium biolettii M. L. Hoefs, R. F. Thorne 1996-4-6 2608 Los Angeles Pebbly Beach 6 Comment
  SD186104  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 Los Angeles Abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 519 Comment
  SD27745  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina; 0.5 miles from Avalon on road to Pebbly Beach. 7 Comment
  SD52880  Pseudognaphalium biolettii Peter H. Raven 1962-4-9 17153 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  UCR100611  Pseudognaphalium biolettii B. G. Pitzer 1996-5-5 2850 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR143131  Pseudognaphalium biolettii M. B. Dunkle 1939-4-4 7250 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  CAS-BOT-BC356706  Pseudognaphalium californicum Geo. B. Grant 1900-3-29 s.n. Los Angeles Avalon Comment
  CAS-BOT-BC356718  Pseudognaphalium californicum Huron H. Smith 1912-5-1 4882 Los Angeles Eagle Rock Valley 152 Comment
  LA103235  Pseudognaphalium californicum Barry A. Prigge; 1985-6-14 6395 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 658 Comment
  SFV16114  Pseudognaphalium californicum J. M. Kneitel 1995-4-28 35 Los Angeles San Gabriel Mountains Kagel Canyon. Dexter Park next to dry creek bed. 425 Comment
  CAS-BOT-BC357636  Pseudognaphalium stramineum Alice Eastwood 1919-5-29 8979 Los Angeles San Gabriel Canyon Comment
  UC1947296  Pseudognaphalium stramineum I. M. Johnston 1917-8-23 1705 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork Comment
  UC64865  Pseudognaphalium stramineum unknown 1904-4-14 Los Angeles Santa Monica Comment
  UCR125187  Psilotum nudum Heather Williamson 2002-11-26 s.n. Los Angeles Los Angeles, Hollywood area near the intersection of Gower St. & Melrose Ave. on the Paramount Studios lot 111 Comment
  POM6781  Pteridium aquilinum var. pubescens O. Kenney 1892-12-16 s.n. Los Angeles Near Pasadena Comment
  RSA589229  Pteridium aquilinum var. pubescens T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2908 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 Barely Flats). 1213 Comment
  RSA0062846  Pterostegia drymarioides LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6769 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SBBG98631  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5338 Los Angeles between Box and Horse Cyns 484 Comment
  RSA526586  Pterostegia drymarioides Tim S. Ross 1991-3-24 4294 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  RSA547450  Punica granatum Tim S. Ross 1992-5-17 6381 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; N end of the Heaton Flat area; 21 NNE, 870m distant from East Fork Station; homestead ruins. 631 Comment
  RSA596212  Purshia tridentata var. glandulosa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3386 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA630368  Purshia tridentata var. glandulosa Louis C. Wheeler 1973-4-21 s.n. Los Angeles 47th. Street east and Barrel Springs road. Comment
  CAS-BOT-BC45785  Quercus Marcus E. Jones 1923-10-10 s.n. Los Angeles Cajon Pass Comment
  UC405480  Quercus unknown 1901-5-12 1092 -3868 Los Angeles Pasadena Comment
  UC993205  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  POM48579  Quercus X grandidentata George B. Grant 1904-6-14 s.n. Los Angeles Monrovia Comment
  SBBG131771  Quercus X macdonaldii S. A. Junak 1999-5-21 SCa 986 Los Angeles W side of Coffee Pot Cyn, just upstream from rd crossing 411 Comment
  SEINET4077592  Quercus agrifolia Unknown 1904-1 Los Angeles Pasadena. Comment
  UCR125953  Quercus agrifolia A. C. Sanders, Mark Elvin 2002-6-19 25164 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA657363  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-1-19 30945 Los Angeles Verdugo Mountains: Southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  POM187600  Quercus berberidifolia Joseph A. Ewan 1931-10-11 5242 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  RSA0025272  Quercus berberidifolia Justin M. Wood 2012-3-20 4643 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  SBBG83441  Quercus berberidifolia D. Koutnik, B. Holguin 1978-4-1 227 Los Angeles rd from Lake Hughes to Fairmont Reservoir 1066 Comment
  POM180345  Quercus chrysolepis Edwin B. Bartram 1920-6-30 528 Los Angeles Mt. Lowe 1433 Comment
  POM266351  Quercus chrysolepis J. C. Roos 1942-5-23 1056 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA0085502  Quercus chrysolepis R. G. Swinney 2010-9-9 13786 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA476890  Quercus chrysolepis L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  RSA476910  Quercus chrysolepis George B. Grant 1902-5-27 156 Los Angeles Little Santa Anita Canyon, Sierra Madre Mts. Comment
  CAS-BOT-BC86214  Quercus dumosa J. Ewan 1931-10-11 5242 Los Angeles Sepulveda Canyon Rd. N of Mullholland. Santa Monica Mts. Comment
  CAS-BOT-BC86235  Quercus dumosa Le Roy Abrams 1899-3-31 866 Los Angeles Santa Monica Mts. Sepulveda Canyon Comment
  IRVC1352  Quercus dumosa Gordon A. Marsh 1965-8-1 15 Los Angeles Twin harbors. Comment
  CAS-BOT-BC79759  Quercus durata John Thomas Howell 1927-10-16 3153 Los Angeles on the trail between Santa Anita Canyon and Sierra Madre, San Gabriel Mts. Comment
  UCSB68637  Quercus durata Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains; Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale; following fire break up to main crest (to Beaudry fire road) 304 Comment
  RSA654035  Quercus durata var. gabrielensis Valerie L. Soza, Laura Moore 2000-5-10 852 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  UCR203971  Quercus durata var. gabrielensis D. E. Bramlet 2007-7-13 4109 Los Angeles San Gabriel Mountains, La Verne, 152 m north of Baseline, 1.37 km west of Live Oak Canyon Road and 1.28 km east of Marshall Creek 398 Comment
  POM123329  Quercus engelmannii George B. Grant 1901-1-1 s.n. Los Angeles Pasadena. Comment
  UCD46021  Quercus engelmannii Lyman Benson 1948-11-9 13551 Los Angeles Hills at W side of mouth of Monrovia Cyn., Oak Woodland and Chaparral sandy soil south slope, 1,000'. 304 Comment
  CAS-BOT-BC94750  Quercus john-tuckeri Timothy S. Ross 1995-4-7 8369 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca 1840 m WNW of the confluence of Castaic 944 Comment
  POM273364  Quercus john-tuckeri Lyman Benson 1947-10-9 12837 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
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Mar 24 2015
  UCR95501  Quercus kelloggii Steve Boyd, Orlando Mistretta 1996-5-1 8761 Los Angeles San Gabriel Mtns, Liebre Mtns, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08 1561 Comment
  RSA0016790  Quercus kelloggii I. M. Johnston 1917-8-24 1714 Los Angeles San Antonio Mtns; Prairie Fork, San Gabriel River Comment
  UC847947  Quercus pacifica F. R. Fosberg 1932-5-7 8161 Los Angeles above Hay Press; Santa Catalina Island Comment
  RSA479371  Quercus tomentella Mark Hoefs 1974-9-25 561 Los Angeles Santa Catalina Island, lower west fork of Gallagher's Canyon 152 Comment
  SBBG43928  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles lower edge of grove, Pk 1942, directly S of White Rock and near Triangulation Pt "Alta" Comment
  RSA477293  Quercus tomentella M. B. Dunkle 1928-11-2 2028 Los Angeles Santa Catalina Island, Gallager's Canyon. Comment
  CAS-BOT-BC104859  Quercus wislizeni Abbot Kinney 1902-9-1 s.n. Los Angeles Mt. Lowe Comment
  RSA573421  Quercus wislizeni var. frutescens Louis C. Wheeler 1932-4-16 628 Los Angeles W side Santa Anita Canyon. 762 Comment
  RSA226181  Rafinesquia californica Gary D. Cromwell, David W. Wheat 1971-5-14 668 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora; 396 Comment
  UCR271803  Rafinesquia californica R. G. Swinney 2010-3-24 12055 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
  RSA0107836  Rafinesquia californica Steven A. Junak 2000-5-19 SCa- 1331 Los Angeles SE portion of 1999 burn, above Goat Harbor, ca. 0.67 mi. SSW of Goat Harbor. 384 Comment
  SEINET177446  Ranunculus aquatilis H. N. Hait 1903-6-26 Los Angeles unspecified 1219 Comment
  SBBG71865  Ranunculus hebecarpus R. Hoffmann 1925-5-19 Los Angeles Bouquet Cyn Comment
  SEINET3836582 Image available Ranunculus hebecarpus Marcus E. Jones 1882-5-3 3219 Los Angeles Pasadena Comment
  UCR139937  Ranunculus hebecarpus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  RSA0112065  Raphanus raphanistrum Steven A. Junak 2000-5-6 SCa- 1277 Los Angeles Santa Catalina Island. Just N of Upper Quarry Road, ca 2.4 mi. W of junction w/road to housing at Empire Landing. 289 Comment
  SEINET11522477  Raphanus sativus N. Bacon 1967-3-29 s.n. Los Angeles Los Angeles City, Glenwood Place, South Gate. Comment
  UCR116033  Rhamnus alaternus Dan S. Cooper 1999-3-10 s.n. Los Angeles Los Angeles area, undeveloped mesa between the Sybil Brand Institute anf the Sheriff Academy, c. 1 km SSW of the intersection of the 710 and 10 Freeways, Monterey Park 165 Comment
  RSA7783  Rhamnus californica Carl B. Wolf 1927-12-31 s.n. Los Angeles Occidental College Campus. Comment
  UC1584065  Rhamnus californica subsp. californica Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4028 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunja Rang 1524 Comment
  CAS-BOT-BC59934  Rhamnus crocea Peter H. Raven; Sidney R. Snow 1956-6-30 9527 Los Angeles 2.5 mi. from Alberthill on road to Elsinote. Comment
  LA207794  Rhamnus crocea Carl B. Wolf; 1928-3-29 1593 Los Angeles S Base of Ridge Route, 1 mi. N of Castaic 396 Comment
  CAS-BOT-BC56004  Rhamnus ilicifolia Alice Eastwood 1919-5-29 8951 Los Angeles San Gabriel Canyon Comment
  LA32115  Rhamnus ilicifolia Peter H. Raven; 1959-5-3 14064 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  LA52139  Rhamnus ilicifolia A. M. Johnson; 1935-4-22 4567 Los Angeles Comment
  RSA771593  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SFV21391  Rhamnus ilicifolia L. Gross 2002-4-28 535 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. Second canyon from the trail that starts from La Tuna climbs up and over a ridge to drop down into a this canyon. 549 Comment
  UC80240  Rhamnus ilicifolia Ernest Braunton Jun 1902 483 Los Angeles Griffith Park Comment
  UCR217140  Rhamnus ilicifolia Jonas A. Winbolt, Rocky Brown 2010-8-20 005 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  CAS-BOT-BC59847  Rhamnus ilicifolia G. B. Grant 1901-3-3 8972 Los Angeles Loncoln Park. Comment
  RSA304929  Rhamnus ilicifolia James R. Shevock 1970-5-8 195 Los Angeles San Gabriel Mts. 534 Comment
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Oct 16 2014
  SEINET13946339 Image available Rhamnus ilicifolia Peter H. Raven, Henry J. Thompson 1959-1 13911 Los Angeles Santa Monica Mountains. 34 deg. N, 118-119 deg. W. Las Flores Canyon 3.8 mi N of Coast Highway. Elev 1800 ft 549 Comment
  SBBG78557  Rhamnus pirifolia F. R. Fosberg 1931-3-18 4238 Los Angeles Hamilton Cyn 10 Comment
  POM243720  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1928-3-29 1578 Los Angeles 2 mi. from Sandbergs on the Ridge Route, on road to Elizabeth Lake. 1098 Comment
  RSA95281  Rhamnus tomentella subsp. cuspidata F. W. Peirson 1921-7-17 4308 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2012 Comment
  CAS-BOT-BC199075  Rhus aromatica Timothy S. Ross; Steve Boyd 1991-4-25 4575 Los Angeles Doe Flat and immediate vicinity, situated betwen Graveyard Canyon and the E Fk. of Susanna Canyon, draining to the lower E Fk of the San Gabriel River, San Gabriel Mtns. 865 Comment
  IRVC69  Rhus integrifolia Gordon A. Marsh 1965-7-31 11 Los Angeles Santa Catalina Island; Fisherman Cove. Channel Islands Comment
  LA200133  Rhus integrifolia Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  OBI34569  Rhus integrifolia David J. Keil 1983-8-23 17868 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  RSA600438  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  UCR210738  Rhus integrifolia R. G. Swinney 2009-1-19 9998 Los Angeles San Gabriel Mtns., Duarte, 1.5 mi. north of Foothill Blvd. at El Encanto Dr., 100-300 m east of Fish Canyon Rd., confluence of Fish Canyon and San Gabriel River 207 Comment
  SBBG106893  Rhus ovata M. L. Hoefs, R. F. Thorne 1996-4-6 2663 Los Angeles upper Avalon Cyn, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  SFV16025  Rhus ovata P. W. Byrne, H. Levin 1994-4-23 15 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UC1130578  Rhus ovata Jerome S. Horton 1936-4-2 274 Los Angeles Glendora Mountain Road, San Gabriel Watershed Glendora Mountain Road; San Dimas Experimental Forest 762 Comment
  UC1302326  Rhus ovata Robert F. Thorne and P. C. Everett 1964-2-7 33492 Los Angeles ridge wnw Grand Canyon; Santa Catalina Island 487 Comment
  RSA611052  Rhus trilobata L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  RSA670407  Rhus trilobata B. C. Templeton, H. J. Andrews 1938-6-22 1691 Los Angeles Mint Canyon Comment
  RSA403705  Rhus trilobata var. pilosissima Anstruther Davidson 1891-06 s.n. Los Angeles Los Angeles. Comment
  SEINET234759 Image available Ribes aureum Scott D. White 1997-5-7 5068 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial below San Gabriel Mts. SW of I-210 Freeway E of Hansen Dam and N of W 335 Comment
  UC450873  Ribes aureum Fay A. MacFadden 1931-3-17 2 E Los Angeles Tuna Canyon Verdugo Hills Comment
  POM6757  Ribes aureum var. gracillimum L. T. Street 1919-3-16 2399 Los Angeles Lone Hill, San Dimas Comment
  RSA84516  Ribes aureum var. gracillimum F. W. Peirson 1921-3-6 687 Los Angeles Foothill Blvd. 1 mile east of Monrovia Comment
  UCR56172  Ribes aureum var. gracillimum J. A. Adams 1963-4-2 3 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  UCR270088  Ribes californicum R. G. Swinney 2011-4-9 14362 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  LA33880  Ribes californicum var. hesperium Henry J. Thompson; 1959-2-20 sn Los Angeles Santa Monica Mountains, Piuma Rd, 1 mi E Malibu Creek 243 Comment
  POM122288  Ribes californicum var. hesperium Marcus E. Jones 1924-2-15 s.n. Los Angeles San Antonio Canyon, Claremont. Comment
  POM378  Ribes californicum var. hesperium J. H. Barber 1897-1-17 19 Los Angeles Sullivans Canyon Comment
  UCR223686  Ribes cereum R. G. Swinney 2009-8-25 11485 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  CAS-BOT-BC108883  Ribes divaricatum var. parishii A. Davidson 1894-4-1 s.n. Los Angeles El Monte. Comment
  UC858581  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  UC147005 Image available Ribes indecorum C. F. Baker 1909-2-15 5238 Los Angeles Claremont Comment
  SEINET13276838 Image available Ribes malvaceum var. viridifolium R. G. Swinney 2011-1 14191 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  RSA579520  Ribes roezlii Tim S. Ross, Steve D. Boyd 1994-6-23 8063 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  UC1127642  Ribes roezlii Jerome S. Horton 1939-6-16 550 Los Angeles Upper Wolfskill Canyon, Rain gauge #1 Pomona Quadrangle Comment
  SD90243  Ribes speciosum Benjamin C. Stone 1952-3-22 7 Los Angeles Blanchard Park, Claremont. 334 Comment
  RSA594294  Ricinus communis L. C. Wheeler 1967-7-30 10245 Los Angeles San Gabriel MountaiSan Gabriel Mountains. 1.6 mi. N of junction of 3N33 and 3N06 about 350-450 tds. due west of Shade Campground at base of east-facing slope. N fork Lytle Creek, on 3N33.ns. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA703341  Ricinus communis LeRoy Gross 2005-2-15 1390 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  SD87630  Rigiopappus leptocladus F. W. Peirson 1922-6-3 Los Angeles North slope of Liebre Mts. road to Collins Ranch 1145 Comment
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Jul 10 2010
  HSC19618  Rosa californica C. S. Apperson 1967-6-8 Los Angeles 4 mi. up Ruby Cyn. from Elizabeth Lake Cyn. Rd. Comment
  POM1470  Rosa californica L. R. Abrams 1902-6-15 2539 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA449704  Rosa californica Anstruther Davidson 2501 Los Angeles Redondo Beach Comment
  POM365838  Rosa woodsii subsp. gratissima Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  CAS-BOT-BC146961  Rosa woodsii var. gratissima Robert F. Thorne 1969-7-2 38297 Los Angeles San Gabriel Mts., Angeles National Forest: margin of Chilao Creek, Upper Chilao Campground 1615 Comment
  RSA598680  Rubus Louis C. Wheeler 1949-5-19 6705 Los Angeles Potrero Heights. Comment
  CAS-BOT-BC518699  Rubus armeniacus R. G. Swinney 2009-8-6 11541 Los Angeles Transverse Range; San Gabriel Mountains: San Antonio Canyon, belog hogsback, 2.4 mi upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA578318  Rubus ursinus Tim S. Ross, Steve D. Boyd 1994-5-10 7712 Los Angeles Warm Springs Canyon: spring (un-named, but marked on topo map) along Warm Springs-Fish Canyon truck Trail (6N32); 2160 m NNW of Warm Springs Mtn. summit. 799 Comment
  RSA764454  Rubus ursinus Doris Bowers 1966-4-16 146 A Los Angeles Malibu Canyon 91 Comment
  RSA670421  Rubus ursinus var. ursinus I. W. Clokey, Bonnie C. Templeton 1929-04 4518 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  UCR179621  Rumex conglomeratus R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  UCR270477  Rumex conglomeratus R. G. Swinney 2011-6-30 15412 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  LA99292  Rumex conglomeratus Peter H. Raven; Henry J. Thompson 1960-7-17 15543 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  CAS-BOT-BC433247  Rumex crispus Geo. B. Grant 1902-4-27 s.n. Los Angeles Los Angeles Comment
  RSA595457  Rumex hymenosepalus Tim S. Ross, Victor W. Steinmann 1995-5-8 8550 Los Angeles NE side of Bouquet Reservoir; Spunky Canyon Road ca 500 m SE of the mouth of Spunky Canyon 919 Comment
  RSA613723  Rumex hymenosepalus Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs Canyon Substation. Soledad Canyon just west of Angeles Forest Highway. 976 Comment
  RSA466116  Rumex salicifolius F. R. Fosberg 1919-7-3 S 3021 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR273246  Rumex salicifolius R. G. Swinney 2011-6-1 14942 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  UCD101627  Rumex salicifolius Daryl Koutnik; Michael Grayum 1978-8-17 s.n. Los Angeles South of Carlisle Road and west of Decker Road in the Santa Monica Mountains. 487 Comment
  SBBG37761  Salicornia pacifica M. B. Dunkle 1939-4-7 7330 Los Angeles Pyramid Cove Comment
  RSA478892  Salicornia virginica R. F. Folger 1929-11 s.n. Los Angeles Playa del Rey. Comment
  UCR209511  Salix exigua Dan S. Cooper 2009-1 209- 23 Los Angeles Los Angeles Basin, West Athens area, 'Anderson Wash', relict habitat along RR right-of-way south of 105 Fwy and west of Normandie Blvd., South Los Angeles 53 Comment
  LA105372  Salix exigua var. hindsiana Barry A. Prigge; 1989-4-23 8474 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  RSA0105483  Salix gooddingii R. G. Swinney 2011-3-18 14166 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  SBBG131140  Salix gooddingii S. A. Junak 1999-5-20 SCa 928 Los Angeles Cottonwood Cyn, at reservoir 134 Comment
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Jul 28 2016
  CAS-BOT-BC106945  Salix laevigata Timothy S. Ross; Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 487 Comment
  POM362606  Salix laevigata F. R. Fosberg, H. P. Bracelin 1931-10-11 s.n. Los Angeles Topanga canyon, 1.5 mi. above mouth. Comment
  UC1135111  Salix lasiandra subsp. lasiandra Jerome S. Horton 1936-3-10 258 Los Angeles below Dalton Dam Dalton Dam; San Dimas Exp. Forest, Dalton Watershed, Pomona Quad. Comment
  JEPS13834  Salix lasiolepis W. L. Jepson 1908-7-13 3053 Los Angeles Swain Canyon; Catalina Isl., Swain Canyon Comment
  POM17281  Salix lasiolepis Philip A. Munz 1923-5-1 7776 Los Angeles Puddingstone Canyon, San Dimas 244 Comment
  POM362722  Salix lasiolepis Charlotte Brown 1929-2-2 s.n. Los Angeles Verdugo Hills, Glendale Comment
  POM362729  Salix lasiolepis Richard C. Barkelew 1929-2-23 s.n. Los Angeles Nichols Canyon. Comment
  POM362747  Salix lasiolepis Ora M. Clark 1929-3-29 1825 Los Angeles N. W. Sandberg. Comment
  RSA133775  Salix lasiolepis Peter H. Raven 1959-2-15 13793 Los Angeles Franklin Canyon 2.3 miles south of Mulholland Drive. 290 Comment
  RSA229148  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38902 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA550405  Salix lasiolepis Tim S. Ross, Peter Fritsch 1990-6-20 s.n. Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA587273  Salix lasiolepis Tim S. Ross, Steve D. Boyd 1990-5-17 2554 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  UC473997  Salix lasiolepis Blanche Trask Apr. 1896 Los Angeles Avalon Santa Catalina Isl., Avalon Comment
  UC492439  Salix lasiolepis F. R. Fosberg 1931-1-26 7179 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon 225 Comment
  LA212166  Salix lasiolepis Elwood Fordham; 1957-4-5 s.n. Los Angeles Chatsworth Hills, across road from lake. Comment
  CAS-BOT-BC128518  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA607576  Salsola tragus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  RSA0116643  Saltugilia australis Steve Boyd, Lauren Raz 1997-3-25 9283 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA587147  Saltugilia grinnellii subsp. grinnellii Orlando Mistretta 1995-4-28 1656 Los Angeles Kitter Canyon, slopes W of main canyon. 1219 Comment
  RSA469677  Saltugilia splendens Dalow Bullock 1931-7-10 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  RSA0105754  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-7 15449 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA469660  Saltugilia splendens subsp. grantii Geo L. Moxley 1915-7-19 379 Los Angeles Arroyo Seco Canyon at Switzer's Camp. San Gabriel Mountains. Comment
  RSA587034  Saltugilia splendens subsp. splendens Orlando Mistretta, Mark Elvin 1995-5-10 1698 G Los Angeles San Gabriel Mountains, Bare Mountain Canyon, West Fork, 1540 Comment
  RSA607919  Salvia apiana Louis C. Wheeler 1961-6-13 7871 Los Angeles San Gabriel Mountains: Pacoima Canyon at Bad Canyon 1098 Comment
  RSA411304  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Santa Catalina Island. Head of Cape Canyon, near pump house. 280 Comment
  RSA442832  Salvia apiana William Emboden 1969-5-28 17 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA576922  Salvia apiana S. Carlquist 1983-7-20 15799 Los Angeles Mt. Baldy Road near flood control dam at base of canyon. Comment
  CAS-BOT-BC214323  Salvia dorrii var. pilosa Le Roy Abrams; E. A. McGregor 1908-7-2 547 Los Angeles Rock Creek, desert slopes of San Gabriel Mountains 1066 Comment
  CAS-BOT-BC224944  Salvia dorrii var. pilosa L. R. Abrams 1941-4-24 13952 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  SBBG25188  Salvia dorrii var. pilosa Leota Davidson 1965-5-9 160 Los Angeles near Little Rock Comment
  SBBG71168  Salvia dorrii var. pilosa R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC1124695  Salvia dorrii var. pilosa W. T. Murphy 1926-4-10 Los Angeles near Acton; Angeles Forest, Tujunga Quad. 822 Comment
  SEINET7978749  Salvia dorrii var. pilosa B. Ertter, J. Strachan 1979-6-29 3007 Los Angeles North edge of Angeles NF, ca. 9 airmiles ESE of Pearblossom, 1.7 mile N of Mile High on County Hwy N4. 1463 Comment
  CAS-BOT-BC233667  Salvia leucophylla Peter H. Raven; Robert F. Thorne 1964-5-7 19036 Los Angeles Saddle Rock Ranch near Seminole Hot Springs, Santa Monica Mountains Comment
  CAS-BOT-BC229934  Salvia mellifera E. R. Blakley 1962-10-5 5431 Los Angeles North slope, northeast side of Black Jack Mountain, junction of Island Road and Whites Landing Road. Santa Catalina Island 381 Comment
  LA82005  Salvia mellifera Harlan Lewis; 1940-2-4 1068 Los Angeles Santa Monica Mountains, Near Saddle Peak 609 Comment
  RSA434114  Salvia mellifera M. Bisbee 1917-4-28 s.n. Los Angeles Hills north of Eagle Rock Valley. Comment
  SBBG53970  Salvia mellifera K. R. Montgomery, T. W. Strid 1973-5-13 73 -9 Los Angeles N facing slope at Dillon Divide; site of LASCA Cistus field plot Comment
  RSA477546  Sambucus mexicana F. R. Fosberg 1931-3-18 S- 4289 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  RSA477570  Sambucus mexicana E. A. McGregor 1963-8-20 s.n. Los Angeles Whittier. Comment
  RSA724794  Sambucus mexicana K. Dobry 1991-6-18 617 Los Angeles Santa Monica Mts. Cold Creek Cyn Comment
  OBI19614  Sambucus nigra subsp. caerulea Robert J. Rodin 1953-5-2 5812 Los Angeles Catalina Island. Behind White's Cove Comment
  SBBG69471  Sambucus nigra subsp. caerulea R. Hoffmann 1929-5-21 Los Angeles Del Sur to Elizabeth Lake Comment
  UCR270011  Sambucus nigra subsp. caerulea R. G. Swinney 2010-6-1 13121 Los Angeles San Gabriel Mountains, lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  LA26159  Sambucus nigra subsp. canadensis Judith Webb; 1955-4-2 sn Los Angeles SANTA MONICA MOUNTAINS, canyon below Mt. St. Mary's College. Comment
  POM183614  Samolus parviflorus J. Ewan 1929-8-17 3448 Los Angeles Trancas Canyon near Pt. Dume. Comment
  UC55286  Sanicula arguta J. H. Barber 1897-3-28 115 Los Angeles Santa Monica Forestry Station Comment
  LA82385  Sanicula crassicaulis O. H. Kappler; 1943-5-2 386 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA562656  Sanicula crassicaulis Steve Boyd, Walter Appleby 1993-4-22 7985 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
  UC1006679  Sanicula crassicaulis C. Ritchie Bell 1953-2-23 3 X487 Los Angeles by road in Topanga Canyon Topanga Canyon Comment
  UCR200217  Sanicula crassicaulis Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 884 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  UCR209588  Sanicula crassicaulis Dan S. Cooper 2009-4-15 409- 31 Los Angeles Eastern Santa Monica Mtns., Los Angeles, Griffith Park, Royce Canyon 270 Comment
  RSA97368  Sanicula crassicaulis F. W. Peirson 1920-5-6 2313 Los Angeles South base of San Gabriel Mountains, Fish Canyon. 762 Comment
  RSA598210  Schinus molle Sara L. Crockett, Mark Hoefs, Steven A. Junak, Gery Allan 1996-10-31 548 Los Angeles Santa Catalina Island. Mt. Black Jack Campgrounds. 451 Comment
  RSA588160  Schismus arabicus Orlando Mistretta 1994-5-23 1247 Los Angeles San Gabriel Mountains: Little Rock creek. Forest Road 4N15. 1250 Comment
  RSA628878  Schismus barbatus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA675877  Schismus barbatus LeRoy Gross 2003-3-9 781 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCR216889  Schismus barbatus R. G. Swinney 2009-2-20 10034 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR87390  Schismus barbatus R. G. Swinney 1994-3-19 2714 Los Angeles San Gabriel Mtns., Glendora, 2.5 mi northwest of Big Dalton Canyon Road at Glendora Mountain Rd, c. 100 m below (S) of road 549 Comment
  CAS-BOT-BC111236  Schoenoplectus californicus LeRoy Abrams 1901-5-28 1683 Los Angeles Past Ballona Comment
  RSA590507  Schoenoplectus pungens Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6825 Los Angeles Santa Catalina Island: NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 1 Comment
  LA34168  Scirpus californicus Henry J. Thompson; Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, Lake Sherwood; along Potrero Road, opposite of Lake Sherwood Fire Station. 289 Comment
  LA34186  Scirpus californicus Henry J. Thompson; 1959-5-31 2043 Los Angeles 291 Comment
  UC2026510  Scirpus californicus Louis C. Wheeler 1946-7-28 6221 Los Angeles SAN GABRIEL: Rio Hondo, 1/4 mile north of San Gabriel Boulevard. Comment
  UCR206502  Scirpus maritimus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36963 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA187947  Scirpus microcarpus Robert F. Thorne 1966-4-29 36296 Los Angeles Santa Catalina Island: Middle Ranch Canyon 91 Comment
  UCR8286  Scirpus microcarpus A. H. Gallup 1949-7-17 s.n. Los Angeles San Gabriel Valley, Arcadia, Los Angeles State and County Arboretum 183 Comment
  CAS-BOT-BC238503  Scrophularia villosa C. B. Wolf 1941-6-25 s.n. Los Angeles On Santa Catalina Island, head of Avalon Valley, 300 yds. sw. of Wrigley Mausoleum Comment
  SEINET10548866  Scrophularia villosa Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4828 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
  UCR281404  Scutellaria mexicana R. G. Swinney 2014-4-24 16225 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
  SD147961  Scutellaria siphocampyloides Richard Olmstead 1986-6-8 792 Los Angeles Angeles National Forest along Creek near picnic area at Chilao Camp. 1600 Comment
  POM8692  Scutellaria tuberosa P. A. Munz, R. D. Harwood 1920-3-13 3323 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  SEINET10828409  Secale cereale C. W. Hollis 1926-7-1 Hollis s.n. Los Angeles Lake Mildred, Jasper Park, Bc. Comment
  RSA683757  Selaginella bigelovii Ora M. Clark 1928-10-14 1200 Los Angeles N Claremont. Comment
  SEINET6336372  Selaginella bigelovii I. W. Clokey, E. G. Anderson 1935-5-9 6532 Los Angeles San Dimas Canyon, [San Gabriel Mts.] Comment
  CAS-BOT-BC341193  Senecio lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 340 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC341195  Senecio lyonii Carl B. Wolf 1932-5-14 3630 Los Angeles Santa Catalina Island. Between Avalon & Pebbly Beach 30 Comment
  CATA654  Senecio lyonii Mark L. Hoefs 1991-4-18 1141 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  RSA188046  Senecio lyonii R. F. Thorne 1966-4-6 35923 Los Angeles Santa Catalina Island: about 1 mi. W of Empire Landing. 76 Comment
  RSA544563  Senecio lyonii Timothy S. Ross, Elizabeth Kellogg 1992-4-13 6145 Los Angeles San Clemente Island: NW part of the island. Coastal terrace in the vicinity of Darter. (340 deg. NNW, 1140m distant from 199'BM near Flasher; ca 250m NNW of the shifting sands.) 18 Comment
  UCR132349  Senecio mikanioides 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
  CATA3018  Senecio vulgaris Amy Catalano 2016-2-28 024 Los Angeles Santa Catalina Island: Along road between Thompson Reservoir and Hack Tower Ridge Road 261 Comment
  RSA158303  Senecio vulgaris P. H. Raven 1962-4-10 17230 Los Angeles On east side of island below a point about 2 miles north of Thirst, San Clemente Island 473 Comment
  LA210264  Senna didymobotrya Arthur C. Gibson; 2005-6-24 5125 Los Angeles Santa Monica Mountains, in vicinity of Malibu Civic Center Comment
  RSA652438  Senna multiglandulosa Goebel Prieur 1949-2-7 s.n. Los Angeles San Gabriel wash near Azusa. 213 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
  CAS-BOT-BC240113  Setaria Peter H. Raven; Henry J. Thompson 1959-10-31 14730 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Neilson Way near Marine Street, Santa Monica 30 Comment
  LA8984  Setaria gracilis A. M. Johnson; 1931-10-7 3823 Los Angeles Santa Monica Mountains, Stone Canyon Comment
  CAS-BOT-BC243579  Setaria parviflora L. A. Greata 1900-8-1 s.n. Los Angeles Los Angeles Comment
  UCR182248  Setaria parviflora R. G. Swinney 1997-12-31 5891 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  UCR210524  Setaria parviflora R. G. Swinney 2008-11-29 9847 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA747060  Silene antirrhina R. G. Swinney 2008-6-4 8923 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  UCR206479  Silene antirrhina R. G. Swinney 2008-5-12 8842 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CATA474  Silene gallica Sara L. Crockett, Steve Junak, Mark Hoefs, Janet Takara 1997-3-28 616 Los Angeles Santa Catalina Island: 1.1 miles S of Two Harbors on Cat Harbor Road; ca. 30 m upslope 30 Comment
  POM157991  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Santa Catalina Island, Howland s Landing. Comment
  UCR220377  Silene gallica R. G. Swinney 2009-4-15 10342 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  POM11354  Silene gallica F. L. Robinson 1921-4-20 39 Los Angeles Claremont. 365 Comment
  UCD98709  Silene gallica M. Vincent 1963-4-25 319 Los Angeles Santa Monica Mountains, one fourth mile east of Cornell Road on Mulholland Highway. Comment
  RSA584304  Silene laciniata subsp. major Timothy S. Ross 1993-6-7 7369 Los Angeles W end of the San Gabriel Mountains:ca 620 ft NNE of Los Pinetos Spring on mesic N slope of knoll. 905 Comment
  UC640578  Silene laciniata subsp. major Margaret Stason 1927-5-14 Los Angeles Boquet Canyon San Gabriel Mts., Boquet Canyon Comment
  RSA439081B  Silene latifolia Anstruther Davidson 1908-5-1 2143 Los Angeles Lawn, Alhambra Comment
  RSA652800  Silybum marianum Jim Reutzel 1994-5-29 145 Los Angeles Open areas north of the Cal Poly letters on more or less flat ground. Off road above Forest Lawn, Covina. Hills behind Cal Poly Pomona University. Comment
  SBBG31396  Silybum marianum R. F. Thorne with P. C. Everett 1965-6-24 35047 Los Angeles above pond impounded behind dam in lower Cottonwood Cyn Comment
  UCR199006  Sisymbrium altissimum 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
  POM477  Sisymbrium altissimum C. L. Hitchcock 1918-7-5 16 Los Angeles Van Nuys. Comment
  SEINET3289851 Image available Sisymbrium erysimoides M. W. Denslow, Steve Boyd 2003-5-7 1089 Los Angeles Transverse Ranges; San Gabriel Mountains region: North of Azusa at end Glendora Ridge motorway (1N26) in small unnamed canyon just above small Avocado orchard. 274 Comment
  UCR216877  Sisymbrium irio R. G. Swinney 2009-3-13 10111 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  CDA25148  Sisymbrium irio L. C. Wheeler 1967-5-18 9646 Los Angeles San Gabriel Mountains; Placerita Canyon, vicinity of Oak of the Golden Dream. Comment
  JEPS53883  Sisymbrium officinale Frank W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco; San Gabriel Mountains, Arroyo Seco 411 Comment
  SBBG117042  Sisyrinchium bellum S. A. Junak 2001-5-4 SCa 1484 Los Angeles S of Parson's Landing 109 Comment
  RSA614986  Sisyrinchium bellum Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail. 518 Comment
  CATA85  Solanum douglasii Mark L. Hoefs 1973-3-13 65 Los Angeles Santa Catalina Island: Upper Avalon Canyon, east of cactus area, west exposure 121 Comment
  POM4248  Solanum douglasii O. Kenney 1893-6-8 s.n. Los Angeles Roadside, collected near Pasadena Comment
  RSA187929  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island. Margin of deep gully, Hay Press area. 427 Comment
  SBBG98448  Solanum douglasii T. Ross 1991-5-22 5469 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 79 Comment
  SD234534  Solanum douglasii Wayne Law, Jun Hu 2000-4-30 4 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  SEINET3162506  Solanum douglasii G. B. Grant sn Los Angeles Pasadena Comment
  UCR258692  Solanum douglasii R. G. Swinney 2010-3-22 12032 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA422394  Solanum douglasii Jack Rempel 1932-3-20 15227 Los Angeles El Segundo. Comment
  RSA526520  Solanum douglasii Steve D. Boyd, L. Arnseth, T. S. Ross 1990-4-7 4259 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  IRVC28691  Solanum elaeagnifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25473 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA0036171  Solanum lycopersicum Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  UCR179770  Solanum mauritianum R. E. Riefner Jr. 2004-8-22 04- 377 Los Angeles San Gabriel Mtns. Foothills, Altadena, along Calaveras St. near Holliston Ave. 390 Comment
  CAS-BOT-BC156799  Solanum umbelliferum T. S. Ross; S. D. Steinmann 1995-5-8 8534 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon 609 Comment
  POM155819  Solanum umbelliferum M. L. Bryan 1928-2-8 94 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  CHSC8302  Solanum wallacei Edward L. Smith 1958-2-18 325 Los Angeles In Cobal Canyon. San Gabriel Mtns. 609 Comment
  RSA592520  Solanum wallacei Mark Hoefs, Propst 1973-3-14 79 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  UC1713742  Solanum wallacei F. R. Fosberg 1931-3-18 S 4285 Los Angeles Santa Catalina Island, Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 10 Comment
  UC1929609  Solanum wallacei Mark Elvin, Sarah Crockett 1997-3-17 377 Los Angeles Channel Island; Santa Catalina Island: Alone Cape Canyon Ridge. On E side at cliff. Where creek comes up to Road. Comment
  LA91506  Solanum xanti Bruce Douglas Clayton; Greg Shaw 1972-4-20 106 Los Angeles SANTA MONICA MOUNTAINS, Blackrill Canyon, Mountain Park Research Campus 536 Comment
  RSA0073289  Solanum xanti Bonnie C. Templeton 1932-5-31 4859 Los Angeles Big Pines Camp, East Blue Ridge, San Gabriel Mts. Comment
  RSA160558  Solidago californica J. D. Olmsted 1958-3-10 38 Los Angeles Along southwestward draining Liveoak Creek 4 miles N of Webb School on fireroad out of the Hill ranch and NE [NW] of Claremont. 610 Comment
  SD69372  Solidago velutina subsp. californica Robert F. Thorne 1966-9-15 Los Angeles Santa Catalina Island; Middle Ranch, Middle Ranch Canyon. 214 Comment
  UC36213  Solidago velutina subsp. californica J. H. Barber 1897-9-29 286 Los Angeles Santa Monica Experimental Station Santa Monica, Santa Monica Experimental Station (Santa Monica, Southern California) Comment
  UCD136131  Sonchus asper subsp. asper Daryl Koutnik 1978-3-31 199 Los Angeles west fork of Triunfo Creek near Westlake Village homes. 274 Comment
  RSA679271  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  SD69570  Sonchus oleraceus Robert F. Thorne 1966-9-14 Los Angeles Santa Catalina Island. behind dunes and salina at Little Harbor. 4 Comment
  UCR259927  Sonchus oleraceus R. G. Swinney 2010-4-1 12150 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
  UC36520  Sonchus oleraceus J. H. Barber 1897-7 301 Los Angeles Santa Monica Experimental Station , Southern California Comment
  POM349193  Spartium junceum E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  RSA0069847  Spartium junceum R. G. Swinney 2010-4-20 12300 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  UCR199981  Spartium junceum Valerie Soza, L. Lubinsky 2001-5-16 1231 Los Angeles Transverse Ranges; Verdugo Mountains, Southeastern edge of Verdugo Mountains, Las Flores Motorway, above Dead Horse Canyon 473 Comment
  RSA0097907  Spergularia bocconi Valerie L. Soza, Steve Boyd 2000-4-26 790 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR216860  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  UCR65239  Spergularia bocconi F. R. Fosberg 1931-7-14 S- 05405 Los Angeles Channel Islands, Santa Catalina Island, Echo Lake 350 Comment
  RSA0097896  Spergularia bocconi C. B. Wolf 1932-5-12 3578 Los Angeles Santa Catalina Island. Borders of Catalina Harbor. 3 Comment
  UCR121249  Spergularia macrotheca J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  SBBG43854  Spergularia macrotheca var. macrotheca M. R. Benedict 1971-6-26 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  CAS-BOT-BC390548  Spergularia platensis C. C. Parry 1882-1-1 s.n. Los Angeles Compton Comment
  SEINET181914  Sphaeralcea fasciculata Ira W. Clokey, B. Templeton 4553 Los Angeles Mandeville Canyon Santa Monica Mountains. 500 Comment
  SEINET186837  Sphaeralcea fasciculata Ynez W. Winblad 1938-5-14 Los Angeles Santa Ana Canyon. Comment
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Feb 10 2015
  SEINET4044602  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  UCR282222  Stachys ajugoides Dan S. Cooper 2016-4-11 416- 19 Los Angeles Schabarum Trail east of Bixby Road, La Habra Heights 393 Comment
  SEINET12343820  Stachys ajugoides Unknown 1933-5-28 8510 Los Angeles Hollywood Hills Comment
  LA48335  Stachys albens Peter H. Raven; Henry J. Thompson 1960-7-17 15540 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA596700  Stachys albens Steve Boyd, Lauren Raz 1996-9-24 8932 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
  RSA82575  Stachys albens F. W. Peirson 1924-8-23 5055 Los Angeles West Fork of San Gabriel River. 412 Comment
  UCR190866  Stachys albens R. G. Swinney 1998-8-6 6717 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  RSA0091076  Stachys bullata R. G. Swinney 2011-4-9 14357 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA446648  Stachys bullata Freda Detmers 1931-3-12 s.n. Los Angeles Palo Verdes Hills Comment
  SEINET11587856  Stachys bullata Unknown 2011-4-5 14343 Los Angeles San Gabriel Mountains Comment
  SD38746  Stachys rigida var. quercetorum Edith A. Purer 1935-5-11 6567 Los Angeles Damp Canyon, Malibou (sic) Lodge Road, Santa Monica Mountains. Comment
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Oct 18 2017
  RSA733359  Stanleya pinnata A. C. Sanders 2003-4-28 26145 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SBBG98049  Stebbinsoseris heterocarpa T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5227 Los Angeles 1650 ft WNW of Guds, graded by the Navy to form a "pad" 201 Comment
  RSA720361  Stellaria media LeRoy Gross 2007-3-30 2615 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 Comment
  LA82416  Stellaria media Peter H. Raven; Los Angeles Santa Monica Mountains, West fork Las Trancas Canyon 91 Comment
  RSA65756  Stellaria nitens F. W. Peirson 5781 Los Angeles along trail to Cattle Canyon Comment
  CAS-BOT-BC375140  Stephanomeria cichoriacea Prof. W. R. Dudley 1907-12-5 s.n. Los Angeles Spanish Canon [Canyon], near Monrovia Comment
  RSA13703  Stephanomeria cichoriacea L. C. Wheeler 1933-9-10 2108 Los Angeles W Fork Santa Anita Canyon. 640 Comment
  RSA474185  Stephanomeria diegensis F. R. Fosberg 1931-4-3 4460 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Rd. 5 Comment
  CAS-BOT-BC375192  Stephanomeria diegensis Peter H. Raven 1957-9-21 11339 Los Angeles Hill at n.w. of U.C.L.A. campus, Los Angeles Comment
  SD31203  Stephanomeria diegensis Edith A. Purer 1931-8-15 Los Angeles Palos Verdes Hills. Comment
  RSA228874  Stephanomeria exigua subsp. coronaria R. F. Thorne 1971-6-26 40635 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  CAS-BOT-BC322840  Stephanomeria pauciflora I. M. Johnston 1917-8-24 1649 Los Angeles N. Fk. Lytle Creek Comment
  RSA594195  Stephanomeria pauciflora var. pauciflora Steve Boyd, Lauren Raz 1996-10-14 9053 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
  POM17590  Stephanomeria spinosa P. A. Munz 1923-8-31 7670 Los Angeles Blue Ridge, Swartout [Swarthout] Valley 2575 Comment
  POM184069  Stephanomeria virgata P. A. Munz 1932-8-31 12816 Los Angeles Playa Del Rey Comment
  UCR205567  Stipa coronata R. G. Swinney 2008-5-30 8902 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCR277127  Stipa parishii R. G. Swinney 2010-9-23 13883 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR222831  Stipa speciosa R. G. Swinney 2009-4-29 10589 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
  RSA611775  Stylocline gnaphaloides L. C. Wheeler 1934-4-27 2564 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  OBI70292  Stylocline gnaphaloides Louis C. Wheeler 1973-5-20 s.n. Los Angeles San Gabriel Mts: Los Flores Cyn, edge of little used trl. Ridge on E side of cyn Comment
  RSA390061  Styrax redivivus Theodore Payne 1904-05 2980 Los Angeles Glendale Hills Comment
  RSA646297  Suaeda moquinii Orlando Mistretta, Mark Elvin 1995-3-30 1677 Los Angeles Lancaster area: Northwest corner of Sierra Highway and Avenue C, north of Lancaster. Comment
  SFV22078  Suaeda nigra R. G. Swinney 2009-5-5