Search Results — 2000 specimen records retrieved (1529 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0065508  Abies concolor Rudi Schmidt 1962-6-2 s.n. Los Angeles Swarthout Valley, Angeles National Forest. 1981 Comment
  POM244930  Abronia maritima F. R. Fosberg 1931-5-16 S 4881 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  POM246827  Abronia maritima F. R. Fosberg 1931-5-16 S 4881 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  SBBG20565  Abronia maritima E. R. Blakley 1963-12-8 6405 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 3 Comment
  SBBG31016  Abronia maritima R. F. Thorne with P. C. Everett 1965-5-11 34564 Los Angeles N beach of Little Harbor 1 Comment
  RSA460953  Abronia pogonantha N. C. Cooper 1949-5-16 3656 Los Angeles Lancaster 718 Comment
  RSA585366  Abronia pogonantha Tim S. Ross 1991-4-27 4960 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and 1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' [not on 1968 topo], running northward to the W of BBB Rd for about 1.2 miles, then rejoining it NW of Three Sisters. 944 Comment
  SBBG131806  Abronia umbellata S. A. Junak, B. Collins 1991-4-24 SCI 189 Los Angeles dune area, just N of Eel Cove Cyn, E side of dunes 42 Comment
  PASA1798  Acamptopappus sphaerocephalus Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
Read comments
Sep 5 2014
  JEPS42676  Acer macrophyllum Frank W. Peirson 1919-4-5 107 a Los Angeles Old Mt. Wilson trail , Old Mt. Wilson trail (San Gabriel Mountains) 685 Comment
  RSA19721  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles San Dimas Canyon, bottom of canyon Comment
  SEINET6700481 Image available Achillea millefolium G. B. Grant, W. Wheeler 1904-4-21 18 Los Angeles Santa Catalina Island Comment
  POM186248  Achillea millefolium Joseph A. Ewan 1933-7-4 7873 Los Angeles San Gabriel Mtns. Ridge east of Monrovia Peak 1372 Comment
  RSA660784  Achillea millefolium var. californica J. Doughty 1985-5-19 128 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. 1 mile north of San Gabriel Road. Comment
  RSA594744  Achnatherum coronatum Timothy S. Ross 1995-4-7 8360 Los Angeles TEMPLIN HIGHWAY ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA91820  Achnatherum occidentale subsp. occidentale F. W. Peirson 1922-7-6 3154 Los Angeles ridge W of Pacifico Mtn. between Tie Canyon and Santiago Canyon drainages 2560 Comment
  SBBG131745  Achyrachaena mollis S. A. Junak 1999-4-23 SCa 846 Los Angeles Buffalo Reservoir area, S side of main rd 201 Comment
  CHSC3728  Acmispon glaber Sue Boergadino 1966-5-10 Los Angeles San Raphael Mts. 213 Comment
  SD64196  Acmispon glaber var. brevialatus Lucille Kempers 1955-4-12 289 Los Angeles Claremont, SE Indian Hill, south slope 274 Comment
  LA105118  Acmispon glaber var. glaber Barry A. Prigge; 1988-7-9 8254 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  LA52419  Acmispon maritimus var. maritimus C. L. Hogue; 1954-3-30 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 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
  CATA2030  Acmispon strigosus Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-5-2 640 Los Angeles Santa Catalina Island: S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak 256 Comment
  SBBG47503  Acmispon strigosus M. B. Dunkle 1928-4-11 1850 Los Angeles Emerald Bay Comment
  UCSB43753  Acmispon strigosus Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.73 miles from its junction with Avalon Canyon Road on Santa Catalina 304 Comment
  SD31202  Acmispon strigosus Edith A. Purer 1931-3-26 981 Los Angeles Palos Verdes Hills, in grassland on hillside Comment
  RSA0113440  Acmispon wrangelianus Steven A. Junak 1999-5-21 SCa- 968 Los Angeles Santa Catalina Island. At ridge just E of KBRT Radio Station, along S side of Airport Road, plant stop, on E side of KBRT Valley. 445 Comment
  UCR125920  Acourtia microcephala A. C. Sanders, Mark Elvin 2002-6-19 25180 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  CAS-BOT-BC95  Acrolasia davidsoniana LeRoy Abrams 1902-6-30 2580 Los Angeles Mt. Wilson Comment
  SFV7623  Acroptilon repens T. Gordon 1975-7-11 1096 Los Angeles San Fernando Valley Northridge. Vacant lot on Fullerfarm Street near Zelzah. Comment
  UCR215152  Adenostoma fasciculatum Kimberly Doughty, Darran Doughty 2008-5-24 24 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  UCR272014  Adenostoma fasciculatum R. G. Swinney 2010-4-28 12413 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
  POM90018  Adenostoma fasciculatum Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena. Comment
  RSA390575  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1928-4-22 1888 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  UC1587561  Adenostoma sparsifolium Tim Ross 1991-9-2 5928 Los Angeles near Mulholland Hwy. X Yerba Buena Rd.; Santa Monica Mts., Triunfo Quad. 487 Comment
  UCR95269  Adiantum aleuticum L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon, c. 200 yards downstream from the falls 762 Comment
  RSA647808  Adiantum capillus-veneris LeRoy Gross, Laura Moore 2000-6-5 230 Los Angeles Short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land 488 Comment
  CATA50  Adiantum jordanii USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 29 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  LA200054  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1672 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  RSA687711  Adiantum jordanii L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  POM9917  Adiantum jordanii F. W. Peirson 1921-4-3 2393 Los Angeles Pacoima Canyon, W end of San Gabriel Mtns. 534 Comment
  PASA2377  Aesculus californica Frank W. Peirson 1923-6-9 Los Angeles Pine Canyon, Liebre Mts. 1188 Comment
  CAS-BOT-BC153  Agave victoriae-reginae f. viridis A. J. Breitung 1959-9-26 18162 Los Angeles unspecified Comment
  RSA0021962  Ageratina adenophora Duncan S. Bell, Caitlin Elam 2013-6-24 5286 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  CAS-BOT-BC295622  Agnorhiza ovata Victor Duran 1933-7-9 3508 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  RSA600406  Agoseris retrorsa Steve Boyd, Lauren Raz 1997-5-1 9642 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  UCR223484  Agoseris retrorsa R. G. Swinney 2009-5-28 10919 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR149516  Agropyron cristatum R. G. Swinney 1997-6-25 5638 Los Angeles San Gabriel Mtns., west of Wrightwood, Mountain High Ski Resort runway, c. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  CAS-BOT-BC127231  Agrostis exarata I. M. Johnston 1917-7-28 1509 Los Angeles San Antonio Mountains. San Antonio Canyon. 1676 Comment
  RSA78217  Agrostis exarata J. C. Roos 1951-7-30 5076 Los Angeles North slope Mt. Baden Powell, San Gabriel Mountains. 2043 Comment
  UCR191199  Agrostis exarata R. G. Swinney, Dave Larson 1999-7-21 7563 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, 200 m below Fern Dam #1, NE of Browns Flat 1341 Comment
Read comments
May 11 2012
  RSA682642  Agrostis pallens LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 954 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  UCD53087  Agrostis pallens R. H. Blanford 1959-5-29 1 Los Angeles Santa Monica Mtns., Malibu area, Castro Peak. Comment
  RSA720401  Agrostis stolonifera R. G. Swinney 1997-7-23 5734 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  UCR194840  Agrostis viridis R. G. Swinney 1998-8-6 6681 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  LA36004  Ailanthus altissima Peter H. Raven; 1960-5-21 15402 Los Angeles SANTA MONICA MOUNTAINS, Cornell Corners. Comment
  SEINET11266803  Aliciella lottiae David Gowen 2016-5-16 1332 Los Angeles Southeast quadrant of junction of Redman (Ave. E) and 120th St. east.; 0 Comment
  UCR190814  Allium R. G. Swinney 1999-7-5 7516 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  RSA70196  Allium fimbriatum var. fimbriatum F. W. Peirson 1926-4-26 6661 Los Angeles 5 miles west of Rock Creek, Mohave Desert. Comment
  UC536858  Allium howellii var. clokeyi M. E. Jones 1934-4-26 Los Angeles ne Los Angeles; Castaic Canyon Comment
  RSA599762  Allophyllum gilioides subsp. violaceum Steve Boyd, Lauren Raz 1997-5-6 9781 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA634  Allophyllum glutinosum J. T. Howell 1928-6-29 1011 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  RSA522949  Alnus rhombifolia Orlando Mistretta 1990-10-26 3323 -a Los Angeles San Gabriel Mountains: Horse Canyon drainage along riparian strip. 823 Comment
  RSA593558  Alnus rhombifolia Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8919 Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  RSA603197  Alnus rhombifolia L. C. Wheeler 1972-12-21 12792 Los Angeles San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line. 526 Comment
  UCR208346  Alnus rhombifolia O. F. Clarke 2004-7-11 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCR209650  Alnus rhombifolia R. G. Swinney 2008-7-2 9110 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 [at Reed Spring] 1878 Comment
  CDA3253  Alternanthera philoxeroides George Garrettson, H. Daniels Sep 1956 Los Angeles Rio Hondo River under bridge on San Gabriel Blvd. near intersection with Rosemead Blvd., El Monte. 0 Comment
  CDA3265  Amaranthus albus L. C. Wheeler 1966-10-1 8949 Los Angeles San Gabriel Mountains, Colby Ranch. Comment
  RSA592314  Amaranthus blitoides L. C. Wheeler 1966-9-21 8906 Los Angeles San Gabriel Mountains. Upper Coldbrook Creek. 1448 Comment
  SBBG112877  Amblyopappus pusillus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-17 SCa 767 Los Angeles lower portion of Silver Cyn, ca. 0.25 mi inland from beach 12 Comment
  RSA534130  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5091 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field. 6 Comment
  CAS-BOT-BC42896  Ambrosia acanthicarpa Ernest C. Twisselmann 1970-9-8 17483 Los Angeles Antelope Valley: Avenue A, 0.2 mi. E of 30th Street West 731 Comment
  SD69456  Ambrosia chamissonis Robert F. Thorne, P. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island, Ben Weston Beach, west side of island on dunes Comment
  JEPS30667  Ambrosia psilostachya Peter H. Raven and Henry J. Thompson 1959-9-18 14430 Los Angeles west, Santa Monica Boulevard near Beverly Glen Boulevard Los Angeles; Santa Monica Mountains 76 Comment
  UCSB68627  Amorpha californica Gross, LeRoy; Fraga, Naomi; Hogshead, Bill; Virgen, Aydee 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountain region; entered west of Haines Canyon Park, off of Estepa Drive in Tujunga; tributary is north of the 210 freeway; south of freeway tributary will drain into La Tuna Canyon; (Burbank 7.5 Quad. T2N R14W S24, SE1/4) 457 Comment
  CAS-BOT-BC180650  Amorpha californica var. californica Wesley O. Griesel 1962-5-24 s.n. Los Angeles San Rafael Hills, Glendale 304 Comment
  UCD118931  Amsinckia douglasiana Daryl Koutnik; Bruce Holguin 1978-4-1 202 Los Angeles Mint Canyon on Sierra Highway, 3 miles N of the State Highway 14. 502 Comment
  LA40189  Amsinckia intermedia Harlan Lewis; 1940-2-24 1092 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA783340  Amsinckia intermedia J. D. Olmsted 1958-3-2 8 Los Angeles [City of] Claremont near eastern end of Los Angeles County. Along San Antonio Creek in Blanchard Park on Pomona College campus. 366 Comment
  SD197704  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mountains; San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  UCR205129  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  RSA0079957  Amsinckia intermedia F. L. Robinson 1920-4-14 22 Los Angeles South Hills, south of Pomona. Comment
  RSA0089648  Amsinckia intermedia M. E. Gibson 1903-4-24 s.n. Los Angeles Near Pasadena. Comment
  RSA499945  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UC50348 Image available Amsinckia lycopsoides H. M. Hall 1903-4-1 3768 Los Angeles Playa del Rey; ; Playa del Rey, Los Angeles Co. Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  RSA499934  Amsinckia menziesii Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  RSA499937  Amsinckia menziesii var. menziesii George B. Grant 1904-03 s.n. Los Angeles Sandy soil, Pasadena Comment
  UC1349353  Amsinckia menziesii var. menziesii Robert F. Thorne 1966-4-5 35854 Los Angeles s-facing slope above stream in Cottonwood Canyon; Santa Catalina Island, Cottonwood Canyon 106 Comment
  UC881412  Amsinckia menziesii var. menziesii Louis C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  SDSU4872  Amsinckia spectabilis var. spectabilis R. M. Beauchamp 1967-1-28 138 Los Angeles San Clemente Island. Comment
  CHSC8309  Amsinckia tessellata Edward L. Smith 1958-2-18 315 Los Angeles Located in Cobal Canyon. San Gabriel Mt. Range. 60 Comment
  SBBG63559  Amsinckia tessellata R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  SEINET1004524  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26120 Los Angeles Western San Gabriel Mtns.; Castaic Messa, 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
  RSA599189  Anagallis arvensis Scott D. White 1997-3-12 4739 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA465144  Anagallis arvensis E. S. Spalding 1923-3-16 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  SBBG68170  Anisocoma acaulis R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UCR205847  Anisocoma acaulis R. G. Swinney 2008-5-8 8816 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
  PASA2282  Antennaria dimorpha Frank W. Peirson 1921-6-15 Los Angeles Pine Flats, San Gabriel Mts. 1676 Comment
  RSA416829  Anthemis cotula M. B. Dunkle 1928-5-28 s.n. Los Angeles Avalon Canyon Comment
  RSA729188  Anthriscus caucalis R. G. Swinney, D. W. Larson 1999-5-15 7183 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
Read comments
Sep 16 2020
  RSA425785  Antirrhinum coulterianum L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  POM72419  Antirrhinum kelloggii Philip A. Munz 1925-4-23 9431 Los Angeles San Gabriel Canyon. 488 Comment
  RSA590517  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-19 7176 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 854 Comment
  SBBG32042  Aphanes occidentalis R. N. Philbrick with R. F. Thorne 1967-5-19 67 258 a Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  SBBG131968  Aphanisma blitoides S. A. Junak, B. Collins 1991-4-24 SCI 155 Los Angeles upper part of Eel Pt grade 198 Comment
Read comments
Dec 9 2019
  POM277127  Apiastrum angustifolium E. S. Steele, H. S. Pratt 1935-5-16 s.n. Los Angeles West hills of Eagle Rock 457 Comment
  UCR158845  Apium graveolens Scott D. White 1994-7-14 2253 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  RSA669297  Apium graveolens LeRoy Gross 2002-6-22 664 Los Angeles Devils Canyon: Canyon drains south side of mountains. North of Topanga Canyon Blvd. and the 118 freeway Comment
  UCD127238  Apium graveolens P. B. Kennedy 1918-7-16 s.n. Los Angeles Los Angeles High School. Comment
  UCR51800  Apocynum cannabinum Woodward 1933-1 s.n. Los Angeles El Segundo 40 Comment
  RSA660270  Apocynum cannabinum Orlando Mistretta, Peter L. Morrell 1992-6-4 500 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  UC1922444  Aptenia cordifolia LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2826 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. Near 313 Comment
  POM366912  Aquilegia formosa Anstruther Davidson 1893-6-12 1923 Los Angeles Switzer's Trail. Comment
  UCR43316  Aquilegia formosa David Charlton 1986-6-15 287 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  UCR202535  Arabis platysperma R. G. Swinney 2001-8-9 8022 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR150836  Arabis sparsiflora R. G. Swinney, Dave Larson 1999-5-15 7174 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA470441  Aralia californica H. de Forest 1932-6-25 15529 Los Angeles Black Canon Arroyo Seco Comment
  SEINET10532882  Araucaria bidwillii David B. Dunn 1939-10-18 Dunn UMO 46543 Los Angeles Tree growing along Sunset Blvd. near Beverly Hills Hotel. 213 Comment
  RSA612293  Arbutus menziesii L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Rincon Canyon at Pine Mt. Truck Trail. 731 Comment
  UCR259648  Arbutus menziesii R. G. Swinney 2010-8-16 13566 Los Angeles San Gabriel Mountains, c. 1.0 mile NW of Chantry Flats on north side of Winter Creek Trail 768 Comment
  RSA228982  Arceuthobium californicum Robert F. Thorne 1971-8-25 41322 Los Angeles San Gabriel Mts., Angeles National Forest: On springy slope near Windy Spring on N slope of Mt. Islip. 2195 Comment
  RSA226949  Arceuthobium californicum Robert F. Thorne 1971-8-25 41235 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Baden-Powell, N slope along trail to Vincent Gap 2226 Comment
  UCR209140  Arceuthobium campylopodum R. G. Swinney 2008-6-17 9049 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UC303955  Arceuthobium campylopodum I. M. Johnston 1917-8-21 1688 Los Angeles Coldwater fork of the Creek San Antonio Mtns 2286 Comment
  RSA626737  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7230 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626745  Arctostaphylos glandulosa Jon E. Keeley 1978-2-25 7039 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1550 Comment
  UCD162815  Arctostaphylos glandulosa D. O. Burge 2015-3-17 1688 Los Angeles Newhall Pass. 550 Comment
  RSA635137  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20289 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA0089374  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22118 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA626722  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25167 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  RSA660777  Arctostaphylos glandulosa subsp. mollis Jeff Weiler 1981-4-26 35 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  UC70651  Arctostaphylos glandulosa subsp. mollis J. Burtt Davy May 9 1896-May 24 1896 2464 Los Angeles Manzana Antelope Valley Comment
  POM367313  Arctostaphylos glauca I. M. Johnston 1929-4-7 s.n. Los Angeles near Mt. Pleasant View Ridge Comment
  RSA631411  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15832 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631609  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15642 Los Angeles Clear Creek Vista, Angeles Crest Highway. 1130 Comment
  RSA634731  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20567 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634869  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20268 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635134  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20594 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  SBBG108913  Aristida adscensionis S. A. Junak 1997-3-11 SCl 751 Los Angeles base of SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 106 Comment
  SEINET10967896  Aristida divaricata G. B. Grant Grant 66 Los Angeles Altadena. Comment
  CAS-BOT-BC84973  Artemisia californica L. R. Abrams 1916-10-31 6374 Los Angeles Cahuenga pass Comment
  CATA351  Artemisia douglasiana Mark L. Hoefs 1973-7-20 395 Los Angeles Santa Catalina Island: By northwest corner of Middle Ranch Reservoir 182 Comment
  SFV20981  Artemisia dracunculus L. Gross, V. Soza 2003-5-15 914 Los Angeles Verdugo Mountains Northwest side of mountains. North of La Tuna Canyon Road; started at end of Elben Ave., climbed north to ridgetop, south to McDonald Creek, then east along ridgeline, then came back into a small canyon at the end of Elben Place just east of where started. Canyon bottom just above Elben Place. Small canyon that gets narrow quickly. 366 Comment
  POM19001  Artemisia ludoviciana subsp. incompta Philip A. Munz 1923-9-1 7711 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  CAS-BOT-BC97286  Artemisia tridentata subsp. parishii H. J. Thompson 1951-1-1 1425 Los Angeles On high banks above Santa Clara River, 2 mi. WNW of Saugus, along Saugus-Newhall Ranch cut off 304 Comment
  OBI34567  Arthrocnemum subterminale David J. Keil 1983-8-23 17882 Los Angeles Huntington Harbor t Bolsa Chica Ecological Reserve Comment
  RSA156158  Arthrocnemum subterminale L. R. Abrams 1904-9-6 4197 Los Angeles San Pedro Comment
  SJSU5902  Arundo donax P. K. Asai 1969-12-28 215 Los Angeles by Southern Pacific Railroad trestle at corner of Macy St & Pleasant Ave, Los Angeles Comment
  CHSC36135  Asclepias californica K. Bridwell 1978-6-18 150 Los Angeles Charleton Flat campground, ca. 1/4 mi n of Hwy 2, ca. 30 mi ne of Glendale, Angeles National Forest. 1524 Comment
  SBBG58659  Asclepias californica R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  RSA607698  Asclepias fascicularis Scott D. White 1997-11-5 6015 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 7 Comment
  SEINET10637045  Asclepias fascicularis A. R. Davis 1915-6-30 Davis s.n. 1915 Los Angeles Claremont, Palmer's Canyon Comment
  CATA3530  Asparagus officinalis Peter J. Dixon 2017-8-23 097 Los Angeles Santa Catalina Island: Interior; Black Jack Campground, n toe of slope, sw of campsites. Likely established during historical period at Black Jack Hunting camp 0 Comment
  POM9872  Asparagus officinalis I. M. Johnston 1917-6-14 1346 Los Angeles West of Pomona. Comment
  RSA609123  Aspidotis californica L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 579 Comment
  RSA84995  Asplenium vespertinum F. W. Peirson 1921-6-21 2840 Los Angeles West Fork of San Gabriel River. 610 Comment
  RSA144636  Aster greatae Wesley O. Griesel 1961-9-2 s.n. Los Angeles Switzers Camp, Upper Arroyo Seco 762 Comment
  UCR223264  Aster greatae R. G. Swinney 2009-8-19 11449 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  RSA562926  Aster subulatus var. ligulatus D. Charlton 1992-08 s.n. Los Angeles S base water well field, 1/2 mile N of water tower, Edwards 732 Comment
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Sep 1 2016
  UCR190752  Astragalus bicristatus R. G. Swinney 1999-7-5 7509 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  RSA2063  Astragalus brauntonii Ernest Braunton 1928-06 1006 Los Angeles Monrovia, 30 miles east of type locality 457 Comment
  RSA90185  Astragalus brauntonii F. W. Peirson 1917-5-1 592 Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  IRVC28126  Astragalus didymocarpus A. C. Sanders 2003-5-1 26259 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  SD234386  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26134 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  UCR187214  Astragalus didymocarpus A. C. Sanders 2006-4-25 32188 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR130056  Astragalus douglasii var. parishii George K. Helmkamp, E. A. Helmkamp 1998-5-21 4052 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR155138  Astragalus gambelianus A. C. Sanders 2005-5-5 29940 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  SBBG68193  Astragalus layneae R. Hoffmann 1932-4-9 Los Angeles 5 mi W of Wilsona 899 Comment
  RSA415602  Astragalus leucolobus Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UCR65193  Astragalus miguelensis P. A. Munz 1923-4-8 6606 Los Angeles Channel Islands, San Clemente Island, NW coast Comment
  SBBG19134  Astragalus nevinii R. Loveland 1963-12-8 Los Angeles SE of West Cove at triangulation pt Darter near Trick Pt Comment
  CAS-BOT-BC194047  Astragalus trichopodus var. lonchus Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Island Comment
  SD31205  Astragalus trichopodus var. lonchus Edith A. Purer 1931-3-12 Los Angeles Palos Verdes Hills Comment
  CAS-BOT-BC194043  Astragalus trichopodus var. lonchus E. R. Blakley 1962-10-3 5389 Los Angeles East side of Blackjack Mt. at junction of road to Whites Landing, Santa Catalina Island 396 Comment
  RSA35490  Astragalus trichopodus var. lonchus Emily M. Bradford 1904-3-17 s.n Los Angeles Redondo Beach. Comment
  RSA415743  Astragalus trichopodus var. lonchus Floy Stanley 1928-3-18 14538 Los Angeles El Segundo. Comment
  SBBG13726  Astragalus trichopodus var. lonchus P. H. Raven 1962-5-20 17794 Los Angeles Middle Cyn 2.9 mi above the Ranch 243 Comment
  JEPS54901  Astragalus trichopodus var. phoxus W. L. Jepson 1939-4-14 19115 Los Angeles Topanga Canyon , Topanga Canyon (Santa Monica Mts.) Comment
  UC56446  Astragalus trichopodus var. phoxus H. M. Hall 1902-5-3 3096 Los Angeles San Franciquito Pass San Francisquito Pass (Southern California) 609 Comment
  UCR184210  Athysanus pusillus A. C. Sanders, T. B. Salvato 2007-4-24 33503 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  RSA746846  Athysanus pusillus Orlando Mistretta 1992-5-21 393 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UCR211100  Atriplex amnicola Joseph Cahill 2009-7-22 3166 Los Angeles South Coast, Malibu Lagoon 1 Comment
  RSA411866  Atriplex argentea Ernest Braunton 1901-07 138 Los Angeles Los Angeles. Comment
  UCR259566  Atriplex canescens R. G. Swinney 2010-9-1 13674 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Sunland/Lakeview Terrace, 0.1 mi. east of Orcas Park, Tujunga Valley, just south of I-210 329 Comment
  UCR254482  Atriplex coronata var. coronata Mitch Provance 2010-5-18 17485 Los Angeles Westernmost Mojave Desert, Western Antelope Valley, along Lancaster Rd. (= Hwy 138), near entrance to cement plant, c. 0.6 mi. east of intersection of Lancaster Rd. and County Route N2 1021 Comment
  POM265716  Atriplex lentiformis subsp. breweri J. C. Roos 1942-9-12 1724 Los Angeles Northwest of Santa Monica. Comment
  CATA201  Atriplex leucophylla Mark L. Hoefs 1973-4-15 180 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  RSA575260  Atriplex leucophylla H. C. Stutz 1982-7-8 9026 Los Angeles Malibu Beach. Comment
  POM279018  Atriplex nummularia Grant D. Brown 1949-11-24 448 Los Angeles Playa del Rey. 15 Comment
  UC1281246  Atriplex nummularia H. E. McMinn 3919 Los Angeles Playa del Rey bluffs Comment
  CHSC95345  Atriplex phyllostegia LeRoy Gross 2005-5-19 2309 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, then walked south. 722 Comment
  RSA152243  Atriplex semibaccata I. L. Wiggins 1925-06 1756 Los Angeles White s Landing, Santa Catalina Island Comment
  CATA3511  Atriplex suberecta Julia Parish, Benjamin Dion, Michael Thomas, Nathalie Cartan 2017-12-14 044 Los Angeles Santa Catalina Island: Pacific side; China Point watershed before cliff at end of Bombing Range Road 250 Comment
  RSA0108922  Avena barbata R. G. Swinney 2011-3-26 14232 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  RSA653463  Avena barbata Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 756 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 487 Comment
  SEINET13203246 Image available Avena barbata R. G. Swinney 2011-1 14520 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  HSC9011  Avena fatua John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  CAS-BOT-BC53700  Azolla filiculoides Marcus E. Jones 1882-3-7 3043 Los Angeles Pasadena Comment
  UCR261389  Azolla filiculoides R. G. Swinney 2010-6-29 13384 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  CHSC55839  Baccharis emoryi L. P. Janeway 1988-7-24 3162 Los Angeles Puente Hills, between Whittier and La Puente. Low in Arroyo San Miguel. 175 Comment
  SD31169  Baccharis glutinosa Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Comment
  UC1281267  Baccharis pilularis H. E. McMinn 1924-7-25 1321 Los Angeles Catalina Island Comment
  UCR119060  Baccharis pilularis Jeremiah George 2000-9-21 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Forrestal Quarry, open space north of Forrestal Dr. near the boundary with Rolling Hills 244 Comment
  UCR212817  Baccharis pilularis Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1752 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 465 Comment
  CAS-BOT-BC98170  Baccharis salicifolia Javier Penalosa 1961-5-21 1520 Los Angeles San Gabriel Canyon Comment
  RSA522971  Baccharis salicifolia Timothy S. Ross 1991-2-23 4088 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  RSA589975  Baccharis salicifolia Orlando Mistretta 1994-3-30 950 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E Creek below dam. 960 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
  UC893726  Baccharis salicifolia subsp. salicifolia Marcus E. Jones, A. M. 1882-2-25 3021 Los Angeles Pasadena Comment
  CDA10479  Balsamorhiza deltoidea F. Blanc 1958-4-29 6 Los Angeles Junction Highway, 1384 Quail Lake Road, near Gorham. 0 Comment
  CATA3170  Bassia hyssopifolia Amy Catalano 2016-8-25 151 Los Angeles Santa Catalina Island: Pebbly Beach Road, along concrete between road and ocean shoreline 5 Comment
  OBI34568  Batis maritima David J. Keil 1983-8-23 17881 Los Angeles Huntington harbor at Bolsa chica Ecological Reserve Comment
  RSA769897  Bebbia juncea R. G. Swinney 2009-3-31 10231 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  RSA0048531  Berberis thunbergii var. atropurpurea Jack Pepper 1953-5-22 s.n. Los Angeles Woodland Hills. Comment
  UCR271834  Bidens pilosa R. G. Swinney 2010-4-30 12478 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  RSA701181  Bloomeria crocea Walter Wisura 2003-6-30 5170 Los Angeles Evey Canyon. Comment
  CAS-BOT-BC167118  Boechera Wayne Law; Jun Hu 2000-4-30 08 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediatley after Millard campground 823 Comment
  RSA0128796  Boechera californica Orlando Mistretta, Christine Mistretta 2008-4-17 2478 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  UCR281873  Boechera pulchra Mitch Provance 2010-5-20 510- 20 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  SBBG119055  Boechera pulchra M. Honer 2004-6-22 2016 Los Angeles San Antonio Cyn, along Mt Baldy Rd between Spruce Cyn and "Hog Back"; T2N R8W S36 Comment
  UC76929  Bothriochloa barbinodis Geo. B. Grant Jun 1902 41 Los Angeles Pasadena Comment
  CAS-BOT-BC145851  Bothriochloa laguroides subsp. torreyana A. J. McClatchie 1893-9-14 474 Los Angeles Catalina. Comment
  RSA709605  Bowlesia incana A. C. Sanders, A. Thompson 2003-4-15 25995 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  UC1228869  Bowlesia incana Peter H. Raven 1962-4-12 17326 Los Angeles w side of San Clemente Island, soth of canyon below the Tomb San Clemente Island 137 Comment
  RSA741020  Brassica fruticulosa Justin M. Wood, Brandy Wood 2009-1-2 270 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  RSA0107447  Brassica geniculata R. G. Swinney 2011-10-18 15823 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR200168  Brassica geniculata Valerie Soza, Laura A. Moore 2000-5-10 826 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park 579 Comment
  UCR272017  Brassica geniculata R. G. Swinney 2010-4-15 12263 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  UCR273259  Brassica geniculata R. G. Swinney 2011-10-25 15861 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  UCR126826  Brassica nigra A. C. Sanders 2003-6-19 26976 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  LA105117  Brassica nigra Barry A. Prigge; 1988-7-9 8255 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  RSA482915  Brassica rapa Tom Burch 1940-3-2 s.n. Los Angeles Playa Del Ray. At nearly sea level. Comment
  RSA482928  Brassica rapa E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  UCSB2249  Brassica rapa Philbrick, Ralph 1958-3-1 Los Angeles South of La Verne; Puddingstone Dam; San Jose Mts. Comment
  RSA651824  Brassica rapa var. rapa Eleanor McClung 1937-3-14 3 Los Angeles Playa del Rey. Comment
  JEPS30664  Brickellia californica Peter H. Raven and Henry J. Thompson 1959-9-27 14550 Los Angeles Latigo Canyon Road 1 mi E of Newton Canyon, Santa Monica Mountains 563 Comment
  RSA748801  Brickellia californica R. G. Swinney 2001-8-18 8068 Los Angeles Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge. 2250 Comment
  SBBG66134  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  LA31687  Brickellia californica Peter H. Raven; Henry J. Thompson 1958-10-11 13765 Los Angeles Santa Monica Mountains, Piuma Road, 4.2 mi W of Saddle Peak 640 Comment
  SD181712  Brickellia microphylla Louis C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South for Big Rock Creek, near mouth. Comment
  RSA660109  Brickellia nevinii Orlando Mistretta 1992-6-12 570 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SD253372  Brickellia nevinii R. G. Swinney 2011-11-3 16000 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wildon Trail, 1-2 miles up from trailhead in town of Sierra Madre. 548 Comment
  SD72792  Brickellia nevinii F. R. Fosberg 1931-11-7 7193 Los Angeles Ridge Route near Tumble Inn, Western Sierra Madre Mountains 1100 Comment
  LA201531  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2001-4-11 4897 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  UC167145  Bromus arizonicus Geo. B. Grant 1894-4-27 1176162 Los Angeles Pasadena; Southern California, Pasadena Comment
  RSA518927  Bromus carinatus A. C. Sanders 1988-2-18 7692 Los Angeles El Egundo Dune, W of LA International Airport, between Pershing Dr and Vista Del Mar Blvd 5 Comment
  SEINET2473417 Image available Bromus carinatus Richard G. Swinney 2009-1 11034 Los Angeles Transverse Range; San Gabriel Mtns.; Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC149189  Bromus carinatus var. carinatus Le Roy Abrams 1901-4-1 1345 Los Angeles San Fernando Mountains. Comment
  CAS-BOT-BC156118  Bromus diandrus John Thomas Howell 1956-3-21 s.n. Los Angeles West of Newhall on Ridge Route. Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UC50585  Bromus diandrus J. H. Barber 139 Los Angeles Agriculture Experiment Station, Pomona near;; Pomona Comment
  UCR258929  Bromus diandrus R. G. Swinney 2010-4-20 12278 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  CHSC60483  Bromus grandis Mary MacArthur 1967-7-16 110 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12 Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA598090  Bromus grandis Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3787 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  RSA660787  Bromus hordeaceus J. Doughty 1985-5-19 188 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  UC50582  Bromus hordeaceus Dr. A. Davidson Los Angeles Los Angeles Comment
  UCR208023  Bromus hordeaceus F. R. Fosberg 1931-4-4 S- 4493 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  UCD58851  Bromus inermis Robert F. Thorne; M. Z. Thorne 1967-7-19 37165 Los Angeles San Gabriel Mts., Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA714064  Bromus madritensis G. Ocampo 2006-1-17 1534 Los Angeles Jardin en el area de departmentos de la Escuela de Teologia, cercano al edificio Este. Claremont. Comment
  UCR144157  Bromus madritensis subsp. madritensis Scott D. White 1997-5-8 5095 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UCSB69249  Bromus madritensis subsp. madritensis Gross, LeRoy; Denslow, Michael; Hogshead, Bill 2003-6-17 Los Angeles Transverse Ranges, Verdugo Mtns region, S side of mountains; Brand Canyon above the largest waterfall where canyon forks off; Burbank 7.5 Quad T1N R12W S5 NW1/4 of SE1/4 519 Comment
  CATA2484  Bromus madritensis subsp. rubens M. B. Dunkle 1939-4-4 7256 Los Angeles San Clemente Island: Pyramid Cove 0 Comment
  SEINET10520332  Bromus molliformis Meryle B. Dunkle 1939-4-4 Dunkle 7254 Los Angeles Dry slope, Pyramid Cove, San Clemente Island. Comment
  POM363939  Bromus rubens Robert Gustafson 1981-3-10 2103 Los Angeles Los Angeles, Ballona Wetlands, Area 2 Comment
  RSA708691  Bromus rubens Valerie L. Soza, Miriam Sidibeh 2003-3-26 1596 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Dr. intersection. 625 Comment
  RSA726013  Bromus rubens A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26146 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
  SEINET10835306  Bromus rubens David B. Dunn 1946-4-20 Dunn 2151 Los Angeles Station 66, near the foothills on the west side of the mojave desert, n of Palmdale, on the grassy slopes, between the shrubs and along the road. 823 Comment
  RSA589344  Bromus tectorum Orlando Mistretta 1994-3-30 938 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  SBBG22686  Bromus tectorum M. S. Walters 1950-1 Los Angeles Ridge Route (US Hwy 99) Comment
  UCR209847  Bromus tectorum R. G. Swinney 2008-7-15 9220 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA0019953  Bromus tectorum P. A. Munz 1921-6-17 4667 Los Angeles San Antonio Mountains: Swartout Valley near Wright's Ranch. 1921 Comment
  UC71066  Calceolaria Ernest Braunton July 1901 Los Angeles Los Angeles, Cal Comment
  CAS-BOT-BC167292  California macrophylla Ernest C. Twisselmann 1962-4-18 6959 Los Angeles San Clemente Comment
  UCD102984  California macrophylla A. C. Sanders; Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26152 Los Angeles Western San Gabriel Mtns; Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  SEINET12190686  Callistemon citrinus J. F. Bright, Wyman, C. 1931-1 5327 Los Angeles Hollywood Comment
  SD90428  Callitriche marginata Robert F. Thorne 1966-4-17 36088 Los Angeles San Clemente Island; muddy margin of small reservoir between Boulder & Horton, northeast side of island. 490 Comment
  RSA0081390  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  LA35906  Calochortus catalinae Peter H. Raven; Henry J. Thompson 1960-4-24 15118 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Decker Rd, 2 mi from Pacific Coast Hwy. 243 Comment
  POM6999  Calochortus catalinae Philip A. Munz, L. T. Street, G. Williams 1919-4-19 2486 Los Angeles Lone Hill, San Dimas Comment
  RSA226159  Calochortus catalinae Gary D. Cromwell, David W. Wheat 1971-5-8 650 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains 2 miles NE of Glendora 610 Comment
  UCR12185  Calochortus catalinae Art Whistler 1966-5-17 s.n. Los Angeles San Fernando Valley, Canoga Park, near the junction of Valley Circle Drive and Roscoe Street, West of Cohasset Street Comment
  UCR4077  Calochortus catalinae Carole Sims 1965-4-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 1.7 mi from the junction of Old Topanga Canyon Road and Mulholland Drive up Old Topanga Canyon Road 381 Comment
  POM183610  Calochortus catalinae Joseph A. Ewan 1929-5-25 3485 Los Angeles Above Providencio Rancho, Santa Monica Mountains. Comment
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May 9 2014
  RSA682625  Calochortus clavatus Scott D. White, Michael Honer 2003-5-7 9213 Los Angeles Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  JEPS17761 Image available Calochortus clavatus Frank W. Peirson 1918-6-16 288 Los Angeles Mint Canyon, top of first grade Mint Canyon Comment
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Nov 9 2011
  RSA0000309  Calochortus clavatus var. gracilis E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  UCR272980  Calochortus palmeri R. G. Swinney 2011-6-15 15175 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA702381  Calochortus plummerae Naomi Fraga, LeRoy Gross, Sarah J. De Groot, Paul Morton 2004-6-3 1240 Los Angeles Along the Barrett Stoddard Road (2N04) between Cascade and Barrett Canyon. 1341 Comment
  SBBG15444  Calochortus plummerae C. B. Hardham 1958-6-14 3688 Los Angeles Chatsworth Hills Comment
  UC1946302  Calochortus plummerae Naomi Fraga with LeRoy, Sarah J. De Groot, Paul Morton 2004-6-3 1240 Los Angeles Transverse Ranges; San Gabriel Mountains region: Along the Barrett Stoddard Road (2N04) between Cascade and Barrett Canyon. Comment
  RSA762255  Calochortus venustus Orlando Mistretta, Christine Mistretta 2008-5-2 2604 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  UCR117221  Calyptridium monandrum B. G. Pitzer 1998-5-12 3695 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  UCR223502  Calyptridium monandrum R. G. Swinney 2009-5-28 10948 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  HSC6378  Calystegia macrostegia subsp. intermedia David Porter 1965-4-22 Los Angeles 0.5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  POM66004  Calystegia macrostegia subsp. intermedia L. R. Abrams 1903-3-8 3106 Los Angeles Hills near Inglewood Comment
  RSA422202  Calystegia macrostegia subsp. intermedia Robin S. Collins 1973-4-30 245 Los Angeles San Gabriel Mountains, Angeles National Forest: Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 640 Comment
  RSA590514  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 804 Comment
  RSA609381  Calystegia macrostegia subsp. intermedia L. C. Wheeler 1930-5-17 s.n. Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA678203  Calystegia macrostegia subsp. intermedia Valerie L. Soza, LeRoy Gross 2001-5-14 1211 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  RSA764523  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2630 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  RSA465654  Camissonia bistorta N. C. Cooper 1949-4-19 3616 Los Angeles Newhall. 457 Comment
  UCR219906  Camissonia bistorta R. G. Swinney 2009-4-17 10385 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  RSA465657  Camissonia bistorta John P. Hill 1929-4-15 s.n. Los Angeles El Segundo sand dunes Comment
  RSA466156  Camissonia californica G. R. Johnstone 1930-9-14 s.n. Los Angeles San Gabriel Mountains. Edison Road above Dark Canyon. Comment
  UCR264695  Camissonia campestris Mitch Provance, Callen Huff 2009-4-28 10733 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
  RSA454031  Camissonia cheiranthifolia subsp. suffruticosa Mary D. Merilatt 1936-7-18 s.n. Los Angeles Playa del Rey, Calif. Comment
  RSA729733  Camissonia claviformis subsp. claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA599513  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-26 9338 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA628809  Camissonia hirtella Scott D. White, Dave Bramlet 1998-6-29 6819 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA230047  Camissonia hirtella Robert F. Thorne 1971-6-26 40587 Los Angeles Summit of Mt. Wilson. 1738 Comment
  RSA30676  Camissonia micrantha Louis C. Wheeler 1932-7-5 921 Los Angeles Liveoak Wash 2 miles NE La Verne. 404 Comment
  RSA612280  Camissonia micrantha Louis C. Wheeler 1934-4-22 2536 Los Angeles W side 'Big Santa Anita Canyon, San Gabriel Mts. 488 Comment
  SDSU3386  Camissonia micrantha H. Wedberg 1958-4-30 271 Los Angeles at gate by the main parking lot, Rancho Santa Ana Botanic Garden, Claremont. Comment
  UC901753  Camissonia strigulosa I. W. Clokey and B. C. Templeton 1930-4-8 4671 Los Angeles San Fernando Road 300 Comment
  CAS-BOT-BC160432  Camissoniopsis cheiranthifolia subsp. suffruticosa Ernest Braunton 1902-5-25 343 Los Angeles Redondo Comment
  SBBG61440  Camissoniopsis hirtella R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UC1552134  Camissoniopsis hirtella David Charlton 1988-4-2 1481 Los Angeles Cleghorn Road Turnoff on pass Cajon Pass (I 15, Swarthout Valley Rd to end of pavement, under powerline) 1524 Comment
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Feb 4 2015
  LA46737  Camissoniopsis intermedia Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  SBBG116769  Camissoniopsis micrantha R. Burgess, P. Munro 1999-4-17 3240 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 457 Comment
  LA200311  Cardamine californica W. O. Griesel; 1936-2-22 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SFV1446  Cardamine californica K. A. Wilson 1961-3-10 969 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  CAS-BOT-BC37897  Cardamine oligosperma Jerome S. Horton 1941-4-4 589 Los Angeles Angeles Forest. San Dimas Canyon on trail to flumes 4 and 5. 609 Comment
  SD133142  Cardaria pubescens L. Lapre 1990-4-24 Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct; San Andreas rift zone bisects the site 915 Comment
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Apr 17 2011
  RSA0091538  Carex alma R. G. Swinney 2011-5-26 14875 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
  RSA775351  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-4 5262 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  UC1595251  Carex alma Tim Ross and Peter Fritsch 1990-6-20 3637 Los Angeles mouth of Burron Canyon near confluence of the E and W Forks of San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
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Nov 3 2010
  SEINET7549342 Image available Carex alma Timothy S. Ross 1990-6-11 2993 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1254 Comment
  RSA669336  Carex barbarae LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 560 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  CHSC96396  Carex fracta L. P. Janeway 2006-6-8 8680 Los Angeles San Gabriel Mountains. Near Angeles Crest Hwy, 0.5 km west of Big Pines and Big Pines Hwy. 2108 Comment
  UCR189856  Carex fracta R. G. Swinney 1998-7-14 6416 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  CAS-BOT-BC21315  Carex fracta D. E. Breedlove 1961-8-7 926 -B Los Angeles 3 miles north of Wrightwood on road to Valyermo. 1828 Comment
  CAS-BOT-BC21759  Carex hassei Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Moutains: West of heliport. 1584 Comment
  UCR272993  Carex heteroneura R. G. Swinney 2011-7-29 15566 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA229047  Carex heteroneura var. heteroneura Robert F. Thorne 1969-7-29 38849 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle 2317 Comment
  RSA776708  Carex inversa Steve Boyd 2005-7-27 11635 Los Angeles Pasadena, southeastern side of campus of California Institute of Technology, just west of front entrance to the Athenaeum (Faculty Club) 247 Comment
  POM47657  Carex multicaulis F. W. Peirson 1924-5-27 4626 Los Angeles north slope of Strawberry Peak, San Bernardino Mts. 1524 Comment
  RSA1436  Carex phaeocephala Le Roy Abrams 1901-07 1933 Los Angeles Mt. San Antonio 3049 Comment
  RSA202475  Carex praegracilis R. L. Armacost 1959-5-20 1147 Los Angeles [Santa Monica] Parkway S. Comment
  RSA425911  Castilleja affinis M. V. Hood 1945-5-1 C- 2217 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA491784  Castilleja affinis James L. Reveal 1988-5-17 6792 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  JEPS57112  Castilleja affinis subsp. affinis L. R. Heckard with P. C. Silva 1967-3-30 1589 Los Angeles w slope Point Dume (above beach) Comment
  UCR150580  Castilleja applegatei subsp. martini L. C. Wheeler 1967-9-4 10652 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain Ridge 2241 Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729665  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-2 6255 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC1063030  Castilleja applegatei subsp. martinii Jerome S. Horton 1939-6-1 548 Los Angeles Fern Canyon; Cucamonga Quad. 1584 Comment
  JEPS26147  Castilleja applegatei subsp. martinii Peter H. Raven 1959-5-3 14084 Los Angeles 1.2 mi e Laurel Canyon Boulevard (Woodrow Wilson Drive); Santa Monica Mountains 350 Comment
  PASA983  Castilleja douglasii Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UCR125499  Castilleja exserta A. C. Sanders, Mark Elvin 2003-4-14 25978 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  SFV5505  Castilleja exserta W. A. Kelley 1969-3-30 Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. Comment
  LA200848  Castilleja foliolosa Norman A. Cole; May 1964 377 .13 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  RSA400552  Castilleja foliolosa Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA587814  Castilleja foliolosa Orlando Mistretta 1994-6-15 1356 Los Angeles San Gabriel Mountains: Santiago Canyon. Side drainage entering santiago canyon from the W, about 3 miles S of confluence of santiago Creek and Little Rock Creek. 1341 Comment
  HSC20575  Castilleja minor subsp. spiralis C. S. Apperson 1967-6-8 Los Angeles 4 mi. up Ruby Cyn. from Elizabeth Lake Cyn. Rd. Comment
  LA99295  Castilleja minor subsp. spiralis Peter H. Raven; Henry J. Thompson 1960-7-17 15558 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, along Malibu Creek 2 mi. above ocean. 45 Comment
  JEPS3172  Castilleja plagiotoma Frank W. Peirson 1919-5-11 210 a Los Angeles Arrastre Canyon (Arraster? near Ravenna RR. station) Arrastre Canyon; San Gabriel Mountains, Arrastre Canyon 838 Comment
  RSA587110  Castilleja plagiotoma Orlando Mistretta 1995-4-21 1629 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mi. N of Kitter Canyon 1052 Comment
  CAS-BOT-BC38146  Caulanthus amplexicaulis Wesley O. Griesel 1961-6-16 s.n. Los Angeles San Gabriel Mountains. Dawson Saddle. 2438 Comment
  RSA0086391  Caulanthus amplexicaulis var. amplexicaulis Scott D. White, Kent Hughes 2000-5-16 7828 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA660836  Caulanthus amplexicaulis var. amplexicaulis Gerald Braden 1988-5-22 29 Los Angeles Strawberry Peak., UTM 379652 N. 39744 E. [inaccurate UTM] Comment
  RSA597158  Caulanthus amplexicaulis var. amplexicaulis L. C. Wheeler 1961-6-12 7860 Los Angeles Mouth of Bad Canyon at Pacoima Canyon 1051 Comment
  RSA653838  Caulanthus heterophyllus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 771 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  UC1211068  Ceanothus arboreus Huron H. Smith 1912-5-29 5019 Los Angeles Santa Catalina Island, Summit Road 335 Comment
  UCR190110  Ceanothus cordulatus R. G. Swinney 1998-8-27 6790 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
  RSA717418  Ceanothus crassifolius Gary Kovnat, LeRoy Gross 2003-1-19 6 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail. Comment
  RSA762365  Ceanothus crassifolius R. G. Swinney 2009-3-16 10116 Los Angeles Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  SBBG125800  Ceanothus crassifolius var. planus L. Ballard 2013-3-12 Los Angeles Towsley Cyn, Santa Susana Mtns 426 Comment
  RSA592779  Ceanothus cuneatus var. cuneatus Steve Boyd, Mike Wall 1996-4-4 8534 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 488 Comment
  SBBG68373  Ceanothus cuneatus var. cuneatus R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  RSA399901  Ceanothus integerrimus Albert J. Perkins 1918-1-19 s.n. Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA399904A  Ceanothus integerrimus Anstruther Davidson 1892-7-12 s.n. Los Angeles Wilson's Peak 1524 Comment
  HSC12328  Ceanothus leucodermis Wendell Wood 1970-6-24 42 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  JEPS22756  Ceanothus leucodermis Rimo Bacigalupi with Reino Alava 1958-7-20 6410 Los Angeles close to Angeles Crest Hwy (Charlton Flat (State Hwy 2)); San Gabriel Mts., Angeles National Forest 1623 Comment
  RSA399754  Ceanothus leucodermis L. E. Hoffman 1932-3-24 s.n. Los Angeles Trail Canyon Comment
  RSA749854  Ceanothus leucodermis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26254 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA0028421  Ceanothus megacarpus Peter H. Raven, Robert F. Thorne 1964-5-7 19027 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains. Comment
  SEINET13946001 Image available Ceanothus megacarpus Peter H. Raven 1959-1 13788 Los Angeles Santa Monica Mountains. 34 deg. N, 118-119 deg. W. Beverly Glen Canyon 2.6 miles N of Sunset Boulevard. Elevation 700 Comment
  SEINET13946003 Image available Ceanothus megacarpus Lewis S. Rose 1966-1 66114 Los Angeles Santa Monica Mountains, above Beverly Hills, alt ca 700 ft 213 Comment
  SBBG95465  Ceanothus megacarpus var. megacarpus M. B. Dunkle 1928-2-19 1708 Los Angeles Cape Cyn Comment
  POM2826  Ceanothus oliganthus O. Kenney 1893-2-15 s.n. Los Angeles Mountains, collected near Pasadena Comment
  POM305313  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1937-3-22 633 Los Angeles Santa Susana Pass 489 Comment
  UC1071526  Ceanothus oliganthus var. oliganthus Jerome S. Horton 1936-4-17 289 Los Angeles Monroe Canyon Flume 609 Comment
  CAS-BOT-BC63308  Ceanothus spinosus John Thomas Howell 1928-3-4 3375 Los Angeles Santa Monica Mts., ne. of Pacific Palisades. Comment
  JEPS42336  Ceanothus spinosus Frank W. Peirson 1921-2-26 733 Los Angeles Topanga Canyon SW Los Angeles Co., Santa Monica Mountains 457 Comment
  UCR137734  Ceanothus vestitus L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  RSA188186  Centaurea cineraria R. F. Thorne 1965-7-23 35016 Los Angeles Santa Catalina Island. Hamilton Canyon side N of Descanso Canyon. 61 Comment
  LA31699  Centaurea melitensis Peter H. Raven; Henry J. Thompson 1959-5-5 14112 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd 274 Comment
  LA34840  Centaurea melitensis Mary V. Hood; 1937-1 37 30 - Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  UC934032  Centaurea melitensis H. L. Cogswell 1951-5-18 102 Los Angeles 0.6 mi n of San Dimas Park; San Gabriel Mountains 457 Comment
  UCR95167  Centaurium davyi R. F. Thorne 1966-4-28 36246 Los Angeles Channel Islands, Santa Catalina Island, near junction of Wrigley Drive and Renton Mine Road 91 Comment
  RSA391484  Centaurium exaltatum Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA724515  Centaurium venustum K. Dobry 1992-10-25 d- 1080 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  RSA652048  Centranthus ruber Gene Cooper 1961-4-1 s.n. Los Angeles Dalton Canyon, N. of Glendora. Comment
  RSA681916  Cerastium fontanum subsp. vulgare Scott D. White 2001-3-24 8167 Los Angeles Claremont: Roadside. Irrigated or landscaped areas on residential street west of Indian Hill Blvd. 335 Comment
  RSA0039272  Cerastium glomeratum R. G. Swinney 2010-3-10 11795 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0104992  Cerastium glomeratum R. G. Swinney 2011-3-18 14146 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA152111  Cerastium glomeratum Wesley O. Griesel 1962-3-31 s.n. Los Angeles Tapia Park, Santa Monica Mountains. 152 Comment
  RSA642712  Cerastium glomeratum Orlando Mistretta 1992-7-13 692 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA779449  Cercocarpus betuloides R. G. Swinney 2009-6-17 11220 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR223760  Cercocarpus betuloides R. G. Swinney 2009-5-28 10975 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  CAS-BOT-BC142111  Cercocarpus betuloides var. betuloides Geo. B. Grant 1906-9-1 7164 Los Angeles Catalina Island Comment
  RSA0095251  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-5-6 14591 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA660224A  Cercocarpus betuloides var. betuloides Fred Brooks 1988-4-3 3 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  SBBG41343  Cercocarpus betuloides var. blancheae M. R. Benedict 1970-6-29 Los Angeles Coast Rd, W of Parson Landing Comment
  UC729575  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-10 3505 Los Angeles above The Last Almond Orchard (Santa Catalina Island, Avalon Canyon); Santa Catalina Island, Avalon Canyon 121 Comment
  LA47775  Cercocarpus betuloides var. multiflorus Zaitlin; 1951-4-21 sn Los Angeles Angelus Crest Hwy. near Hidden Springs 457 Comment
  RSA449447  Cercocarpus ledifolius Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon. 1250 Comment
  RSA623927  Cercocarpus ledifolius Arthur R. Kruckeberg 1939-10-15 340 Los Angeles South Fork Big Rock Creek 1220 Comment
  CAS-BOT-BC279443  Chaenactis Palmer Stockwell 1940-4-23 1502 -B Los Angeles 1 mile south of Gorman Comment
  RSA184054  Chaenactis fremontii I. L. Wiggins 1966-4-15 20593 Los Angeles Desert wash immediately east of J. F. L. Motel, Pearlblossom. Mohave Desert. Comment
  RSA585335  Chaenactis fremontii Timothy S. Ross 1991-4-27 4723 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  UCD168220  Chaenactis glabriuscula J. W. Barry 1980-4-1 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
  CHSC83997  Chaenactis glabriuscula var. glabriuscula John Dittes 1990-6-20 135 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  OBI16832  Chaenactis santolinoides Rimo Bacigalupi, G. Thomas Robbins and L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of So. Fork of Little rock Crk Cyn, higher N slopes of the San Gabriel Mts, Angeles Natl forest 1554 Comment
  POM351804  Chaenactis santolinoides Anstruther Davidson, Hasse 1906-6-5 1466 Los Angeles Big Rock Creek. [San Gabriel Mountians] Comment
  POM351807  Chaenactis santolinoides Anstruther Davidson 1923-8-1 s.n. Los Angeles Mt. Waterman Comment
  UC57436  Chaenactis santolinoides J. H. Barber 1897-7-4 269 Los Angeles Mt. Gleason summit Mt. Gleason Comment
  LA50649  Chamaesyce melanadenia Mary Reynolds; 1937-4-15 114 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM2792  Chamaesyce melanadenia P. A. Munz 1918-4-11 2045 Los Angeles Glendora. Comment
  POM293041  Chamaesyce melanadenia Lyman Benson 1945-5-11 11703 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  POM2795  Chamaesyce melanadenia R. Abbott 1906-5-3 47 Los Angeles San Antonio Canyon. 1524 Comment
  RSA156535  Chamaesyce melanadenia L. R. Abrams 1902-7-1 2633 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  POM181640  Chamaesyce polycarpa var. hirtella Anonymous s.n. Los Angeles Botanical Garden, UC Los Angeles. Comment
  RSA662183  Chamaesyce polycarpa var. polycarpa Karin Palmer 1981-5-26 36 Los Angeles Cal Poly Pomona. Just south outside Bldg. 3, Rm. 110 window. Comment
  RSA70403  Chamaesyce serpillifolia subsp. serpillifolia F. W. Peirson 1921-6-20 2445 Los Angeles North Fork of San Gabriel River 457 Comment
  RSA550709  Chenopodium ambrosioides T. S. Ross, Annette Ross 1991-7-29 5714 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 243 Comment
  RSA626230  Chenopodium berlandieri L. C. Wheeler 1966-10-1 8936 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  RSA749857  Chenopodium berlandieri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36999 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
  UCR259158  Chenopodium berlandieri R. G. Swinney 2010-8-30 13609 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR271130  Chenopodium berlandieri R. G. Swinney 2011-10-10 15742 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR281622  Chenopodium berlandieri R. G. Swinney 2014-5-19 16570 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  SBBG19145  Chenopodium californicum R. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  UCR255801  Chenopodium californicum R. G. Swinney 2010-5-12 12740 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA608315  Chenopodium californicum L. C. Wheeler 1930-5-24 45 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA0110267  Chenopodium fremontii R. G. Swinney 2005-8-17 8494 Los Angeles Valyermo, Devil s Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1402 Comment
  RSA478520  Chenopodium macrospermum var. farinosum Anstruther Davidson 1896-10 s.n. Los Angeles San Pedro. Comment
  SBBG95275  Chenopodium murale M. B. Dunkle 1928-4-9 1813 Los Angeles Emerald Bay Comment
  RSA423242  Chenopodium murale Frances L. Cramer 1934-5-31 s.n. Los Angeles Elysian Park, Los Angeles. Comment
  RSA533522  Chenopodium pratericola T. S. Ross 1991-3-9 4173 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  RSA607597  Chenopodium strictum var. glaucophyllum L. C. Wheeler 1966-10-25 9068 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCR19018  Chloris gayana John C. Roos, A. R. Roos 1950-9-16 4987 Los Angeles Los Angeles, Santa Monica Blvd. at Midvale Ave. 61 Comment
  RSA600992  Chloris virgata Steven A. Junak 1990-11-9 SCI- 143 Los Angeles San Clemente Island: N end of island, SE of passenger terminal building at airfield. 61 Comment
  UCR281155  Chlorogalum pomeridianum R. G. Swinney 2014-6-5 16700 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  UCR281377  Chlorogalum pomeridianum R. G. Swinney 2014-5-21 16609 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA527796  Chlorogalum pomeridianum Timothy S. Ross, Annette H. Ross 1991-6-3 5527 Los Angeles Elephant Hill: W Pomona. 287 Comment
  SBBG128650  Chorizanthe parryi var. fernandina M. A. Elvin, C. Weigand 2003-4-8 2453 Los Angeles Newhall Ranch Commerce Center, confluence of Hasley Cyn and Castaic Crk, N of Hwy 126 319 Comment
  SD178201  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. On open flat. 366 Comment
  UCR194147  Chorizanthe spinosa A. C. Sanders 2008-4-25 35105 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 976 Comment
  CAS-BOT-BC244804  Chorizanthe staticoides Louis C. Wheeler 1932-4-30 668 Los Angeles Mandeville Canyon, Santa Monica Mts. Bare S clay ridge 152 Comment
  RSA156266  Chorizanthe staticoides L. R. Abrams 1902-6-16 2554 Los Angeles Santa Monica Mountains: Sepulveda Canyon. Comment
  SBBG36976  Chorizanthe staticoides Anstruther Davidson 1895-1 Los Angeles Los Angeles Comment
  RSA567255  Chorizanthe staticoides subsp. staticoides Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3866 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  SD253528  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 mile NNW of Angeles Crest Highway along south entrance road to Chilao Flat Campground, both side of road. 1584 Comment
  RSA392666  Chorizanthe xanti J. A. Comstock 1932-7-6 s.n. Los Angeles Mojave Desert. Comment
  RSA78897  Chrysothamnus nauseosus subsp. mohavensis E. K. Balls, Percy C. Everett 1952-10-3 18007 Los Angeles 2.3mi. N of lancaster, Hwy 6 at jct. with Hwy 138. 762 Comment
  CDA10759  Chrysothamnus paniculatus A. C. Browne 1953-5-21 Los Angeles Lancaster. 0 Comment
  SDSU3776  Cirsium occidentale R. M. Beauchamp 1967-3-19 311 Los Angeles Growing in Field, West of Wilson Cove area, San Clemente Island. Comment
  CDA1300  Cirsium occidentale var. californicum T. C. Fuller 1958-3-18 1182 58 C Los Angeles Wash below Padua Hill, L.A. County. (Claremont). Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA585675  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3346 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  SFV21450  Cirsium occidentale var. californicum L. Gross, V. Soza, S. Tessel 2001-6-4 430 Los Angeles Verdugo Mountains Northwest side of mountains. Verdugo Crestiline Drive (fire road) just north of the 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. Cleared area just north of rife road. Cleared for fire safety (as close to homes). 427 Comment
  SBBG32025  Cirsium occidentale var. coulteri R. N. Philbrick, R. F. Thorne 1967-5-20 B 67 -312 Los Angeles bottom of Descanso Cyn 91 Comment
  CAS-BOT-BC285593  Cirsium occidentale var. occidentale Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  CAS-BOT-BC285597  Cirsium occidentale var. occidentale Alice Eastwood 1919-6-21 9062 Los Angeles San Fernando Comment
  RSA94906  Cirsium occidentale var. occidentale Joseph A. Ewan 1932-6-24 7552 Los Angeles Deep sand of permanent denses, El Segundo Comment
  RSA0059676  Cirsium occidentale var. venustum Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek. 1280 Comment
  SBBG108909  Cistanthe maritima S. A. Junak 1997-3-11 SCl 743 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.25 mi S of Triangulation Pt Guds 164 Comment
  RSA585347  Cistanthe monandra Timothy S. Ross 1991-4-27 4633 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA719025  Cistanthe monandra R. G. Swinney 1998-4-14 5977 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  CATA3003  Cistus incanus Peter J. Dixon 2015-3-17 037 Los Angeles Santa Catalina Island: Hamilton Cove, 288 m west of ocean 70 Comment
  RSA524974  Clarkia Tim S. Ross, Steve D. Boyd 1990-6-6 2830 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA0048523  Clarkia biloba P. R. Brown 1970-4-9 40 Los Angeles Woodland Hills Nature Center. Canon de Lana. 274 Comment
  RSA29898  Clarkia bottae Louis C. Wheeler 1932-5-25 758 Los Angeles Santa Monica Mountains: Head of Sepulveda Canyon. 366 Comment
  UC373529  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 44 Los Angeles 1 1/2 mi s Lebec (on Ridge Route) 1200 Comment
  RSA652349  Clarkia deflexa Ed Gibson 1969-5-31 s.n. Los Angeles Puddingstone Lake, road side San Dimas Comment
  UC114014  Clarkia dudleyana R. D. Williams 1905-6-19 Los Angeles Burbank Canyon Claremont 609 Comment
  RSA448273  Clarkia epilobioides Geo. L. Moxley 1915-5-31 s.n. Los Angeles Sturdevant s Trail. San Gabriel Mountains. Comment
  RSA712174  Clarkia purpurea A. C. Sanders, T. B. Salvato 2005-5-24 30275 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  UCR273559  Clarkia purpurea R. G. Swinney 2011-5-10 14637 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA191095  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne 1967-6-25 37117 Los Angeles Evey Canyon 716 Comment
  RSA448283  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 366 Comment
  UCD104949  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-6-15 9837 Los Angeles Liebre Mountains region. NE of Saugus. 396 Comment
  CAS-BOT-BC165518  Clarkia unguiculata Timothy S. Ross; Steve Boyd 1994-5-25 7938 Los Angeles Necktie Basin: Hanging Basin ca 470-830 m W of Warm Springs Mtn summit 1075 Comment
  LA45504  Clarkia unguiculata A. M. Johnson; 1932-5-30 4093 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA131038  Clarkia unguiculata Percy C. Everett, E. K. Balls 1959-6-2 23838 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA448583  Clarkia unguiculata Fay A. MacFadden 1931-3-28 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA448590  Clarkia unguiculata N. C. Cooper 1945-5-1 2192 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  UCR3451  Clarkia unguiculata Bob Arthur 1964-5-10 640510- 5 Los Angeles San Gabriel Mountains, Monrovia Canyon, on North Canyon Blvd, 1.5 mi. from gate 610 Comment
  RSA779999  Claytonia parviflora R. G. Swinney 2009-4-7 10282 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  CHSC83994  Claytonia parviflora subsp. viridis John Dittes 1990-6-20 122 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  RSA527621  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4404 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  CATA1449  Claytonia perfoliata subsp. mexicana Mark L. Hoefs, Robert F. Thorne 1996-4-6 2631 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  SBBG97036  Claytonia perfoliata subsp. mexicana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4360 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA549151  Clematis lasiantha Tim S. Ross, Peter Fritsch 1990-6-20 3648 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fk. San Gabriel River and Roberts Canyon. 1256 Comment
  RSA84410  Clematis lasiantha F. W. Peirson 51 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. Comment
  SBBG87644  Clematis lasiantha S. Boyd, T. Elias 1987-4-14 2055 Los Angeles Rincon, Red Box Rd S of Rincon Forest Station, N of Glendora Comment
  UCR212814  Clematis ligusticifolia Ellen Mackey, Barbara Eisenstein 2002-10-22 NFWF- 1749 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, San Gabriel River watershed. [South of Hwy 60, east of San Gabriel Blvd, at Rio Hondo] 66 Comment
  UCR223246  Clematis ligusticifolia R. G. Swinney 2009-7-22 11366 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC92815  Clematis pauciflora L. R. Abrams 1916-1-3 5571 Los Angeles Between Azusa and Duarte. Comment
  RSA162752  Clematis pauciflora J. D. Olmsted 1959-3-30 s.n. Los Angeles 0.5 mile SE of jct between Palmer and Cobal Canyons near eastern County line, San Gabriel Mts 427 Comment
  RSA440788  Cleome isomeris T. W. Minthorn 1924-4-1 s.n. Los Angeles Balboa Palisades. Comment
  UCR94671  Cleomella obtusifolia A. C. Sanders, E. J. Lott 1993-5-6 13978 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  PASA80  Cnicus benedictus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UC1929530  Collinsia callosa Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1678 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  RSA412211  Collinsia childii H. de Forest 1931-06 s.n. Los Angeles Along Ridge Route. Comment
  RSA579493  Collinsia childii Tim S. Ross, Steve D. Boyd 1994-5-11 7816 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  UCR175049  Collinsia concolor Vanessa Lee 2005-4-10 s.n. Los Angeles San Gabriel Mtns. Foothills, Eaton Canyon Park, Pasadena, north of I-210 off Altadena Dr. 305 Comment
  LA85583  Collinsia heterophylla Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, S of Tapia Ranch County Park. Comment
  RSA408342  Collinsia heterophylla Anstruther Davidson 1923-05 s.n. Los Angeles Mt. Wilson. Comment
  RSA716897  Collinsia heterophylla LeRoy Gross 2006-5-30 2464 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Between 34.56823N, 118.74161W, and 34.5822N, 118.73220W. 1244 Comment
  UC166909  Collinsia parryi Geo. B. Grant 1905-5-4 201 Los Angeles San Gabriel Mountains, Pasadena, Willard Canyon Pasadena; San Gabriel Mountains, , Willard Canyon Comment
  RSA71951  Collomia grandiflora F. W. Peirson 1923-6-9 3548 Los Angeles Pine Canyon, Elizabeth Lake 1159 Comment
  CAS-BOT-BC59720  Comarostaphylis diversifolia subsp. planifolia unspecified 1900-1-1 s.n. Los Angeles Santa Monica Range. Las Plumas Canyon. Comment
  SD251668  Constancea nevinii F. R. Fosberg 1931-7-16 S 5609 Los Angeles Santa Catalina Island; Avalon; bluffs around the bay. 4 Comment
  RSA0043299  Convolvulus occidentalis Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga. 92 Acres Trippett Prop. 289 Comment
  CAS-BOT-BC285952  Conyza bonariensis Geo. B. Grant 1906-8-7 s.n. Los Angeles Pasadena Comment
  UCR210431  Conyza canadensis R. G. Swinney 2008-11-29 9848 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
  SD239911  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Transverse Range; San Gabariel Mountains: Pacifico Mountain summit (Pacifico Mountain 7.5'Q) 2153 Comment
  LA97399  Cordylanthus rigidus subsp. setiger Kei Nakai; 1976-7-7 TCSP 2 21 76 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon State Park, ca 0.5 mi due N from the windmill. Comment
  RSA646968  Cordylanthus rigidus subsp. setiger Orlando Mistretta 1992-9-4 792 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1372 Comment
  RSA594963  Coreopsis bigelovii Timothy S. Ross 1995-4-26 8376 Los Angeles Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft). 1439 Comment
  CAS-BOT-BC287863  Coreopsis californica Ira L. Wiggins 1966-4-17 20602 Los Angeles Across valley to E of Alpine Butte WIldflower Sanctuary, N of Pearblossom, Mojave Desert Comment
  CAS-BOT-BC287867  Coreopsis californica Le Roy Abrams 1901-4-6 1387 Los Angeles Verdugo Hills Comment
  UCR108186  Coreopsis calliopsidea Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10149 Los Angeles Mojave Desert, Antelope Valley, north of Lake Los Angeles (aka Lovejoy Lake) in valley between Lovejoy & Saddleback buttes, along 170th St., just east of Challenger Middle School. 793 Comment
  PASA411  Coreopsis douglasii Stason 1930-5-18 Los Angeles Near Lancaster Comment
  UCD131012  Coreopsis gigantea F. R. Fosberg 1931-3-27 S 4420 Los Angeles Pebble Beach Road, Santa Catalina Island. 50 Comment
  RSA455879  Corethrogyne filaginifolia M. Bisbee 1917-9-15 s.n. Los Angeles Hills north of Eagle Rock Comment
  SFV5523  Corethrogyne filaginifolia W. A. Kelley Sep 1968 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  CLARK-A1528-2616  Cornus occidentalis John C. Roos 1947-5-31 3666 Los Angeles San Gabriel Mountains Comment
  LA201171  Coronopus didymus Arthur C. Gibson; 2003-5-4 4703 Los Angeles 518 Comment
  SDSU3871  Cotula australis Gerald Collier 1951-5-10 Los Angeles Parkway - 11621 Mayfield Ave. L.A. 49. Comment
  RSA598907  Cotula australis R. G. Swinney 1969-5-5 438 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park. N of Sierra Madre Ave. Comment
  CAS-BOT-BC427581  Crassula aquatica Robert F. Thorne; D. Propst 1968-5-29 37696 Los Angeles Santa Catalina Island: margin of S end of Hay Press Reservoir 403 Comment
  UCR126231  Crassula connata A. C. Sanders 2003-3-14 25758 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
  UCR79921  Crassula connata R. Mattoni 1988-4-1 88- 04 Los Angeles Vernon, central Los Angeles, vacant lot in 2400 block of East 28th St. Lot paved about 1 month after this collection was made 64 Comment
  RSA187905  Crassula connata var. erectoides R. F. Thorne 1966-4-5 35869 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 106 Comment
  POM302217  Cressa truxillensis L. N. Goodding 1943-7-30 43 -12 Los Angeles Lancaster Comment
  CATA2324  Crocanthemum greenei Amy Catalano 2015-5-8 004 Los Angeles Santa Catalina Island: Above Gallagher Beach, ca. 800 yards east of Toyon Road, near individual GC 13 164 Comment
  NY43014  Crossosoma californicum J. B. Walker 1995-4-8 1327 Los Angeles Santa Catalina Island, 2km S of Howland's Landing 100 Comment
  SD51790  Crossosoma californicum Roy L. Taylor, R. O. Ornduff 1960-3-18 4383 Los Angeles Santa Catalina Island Comment
  POM2755  Croton californicus M. Hitchcock 1918-5-30 2 Los Angeles Indian Hill, Claremont Comment
  POM2752  Croton californicus var. tenuis C. F. Baker 1903-10-1 3700 Los Angeles Claremont. Comment
  SBBG131954  Crypsis vaginiflora S. A. Junak 2000-5-19 SCa 1305 Los Angeles Deer Valley Reservoir, E of Two Harbors 152 Comment
  UCR203207  Cryptantha R. G. Swinney 2005-5-21 8248 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Feb 19 2020
  RSA509594  Cryptantha circumscissa L. C. Wheeler 1967-7-24 9739 Los Angeles San Gabriel Mountains: Angeles National Forest: Indian canyon 701 Comment
  SBBG24591  Cryptantha circumscissa R. N. Philbrick 1966-4-23 Los Angeles 145th Street, E of Alpine Butte Wildlife Sanctuary and N of Pearblossom Comment
  UC573069  Cryptantha circumscissa H. L. Mason 1932-4-1 6868 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  RSA0113437  Cryptantha circumscissa var. circumscissa LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7540 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  POM368363  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-4-4 682 Los Angeles Ocean bluffs near Cherry Canyon, Santa Catalina Island 80 Comment
  SD186128  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Newhall Ranch, ca. 0.4 mile north of Highway 126, west of Castaic Creek and north of its confluence with the Santa Clara River. 305 Comment
  RSA669294  Cryptantha intermedia LeRoy Gross, Naomi Fraga 2002-5-10 540 Los Angeles (Angeles National Forest road survey of 2002). Upper Monroe Road, from Camp Oak Grove to Glendora Mountain Road. 579 Comment
  SBBG63815  Cryptantha intermedia R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  UC1870298  Cryptantha intermedia LeRoy Gross, Valerie Soza 2003-5-15 900 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwest side of 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 we came back down into a small canyon at the end of Elben Place, just east of ... 396 Comment
  UC24687  Cryptantha intermedia J. H. Barber 1897-3-14 48 Los Angeles Santa Monica Experiment Station Comment
  RSA651002  Cryptantha intermedia G. Foster 1961-5-18 s.n. Los Angeles Little Dalton Canyon, [Angeles] Natl. Forest. Comment
  UCSB10418  Cryptantha intermedia Haller, John 1950-3-26 Los Angeles San Gabriel Mtns., west ridge of Little Dalton Canyon 670 Comment
  RSA0016891  Cryptantha intermedia var. johnstonii D. L. Crawford, H. D. Hiatt 1916-3-28 257 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  RSA159347  Cryptantha maritima P. H. Raven 1962-4-12 17318 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  RSA499645  Cryptantha micrantha George B. Grant 1906-6-17 3187 Los Angeles Summit of Mt. Wilson. 1828 Comment
  RSA712187  Cryptantha micrantha var. lepida A. C. Sanders, Mark Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26195 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA586476  Cryptantha micrantha var. lepida Orlando Mistretta 1995-6-20 1787 Los Angeles Bare Mountain Canyon. Head of drainge E of Pacifico mtn at end of Forest Rd 3N7E. 2073 Comment
  RSA0105751  Cryptantha muricata R. G. Swinney 2011-7-7 15445 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
  RSA702371  Cryptantha muricata Scott D. White, Pam De Vries 2004-5-18 10419 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UC447159  Cryptantha muricata J. Ewan 1930-4-25 2357 Los Angeles near mouth of Stone Canyon; Santa Monica Mts., Stone Canyon Comment
  RSA0079396  Cryptantha muricata var. jonesii T. S. Ross, Peter Fritsch 1990-6-20 3671 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA746409  Cryptantha oxygona R. G. Swinney 2008-5-12 8834 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
  SBBG125849  Cryptantha oxygona A. Parikh, N. Gale 2010-5-31 3239 Los Angeles Sierra Pelona, 4.1 km W of State Hwy 14, 1.8 km SW of California Aqueduct; E Liebre Mtns 1050 Comment
  UCR150006  Cryptantha oxygona Scott D. White 2004-5-5 10293 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  SD138917  Cryptantha oxygona Craig Reiser 1994-5-4 Los Angeles Kentucky Springs shooting area; northwestern San Gabriel Mountains; one mile southwest of Mount Emma Comment
  UCR147263  Cuscuta Orlando Mistretta 1992-8-17 749 Los Angeles Transverse Ranges; San Gabriel Mountains, Haines Canyon Trail, Tujunga Ranger District. Comment
  CAS-BOT-BC224479  Cuscuta californica G. B. Grant 1901-5-18 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC224488  Cuscuta californica Henry J. Thompson; Peter H. Raven 1959-6-4 14327 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  POM123373  Cuscuta californica Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  SBBG58149  Cuscuta californica R. Hoffmann 1927-9-30 Los Angeles E of Palmdale Comment
  UCR125159  Cuscuta californica A. C. Sanders, Mark Elvin 2002-6-18 25122 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR48945  Cuscuta californica A. C. Sanders 1987-7-22 7173 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  POM155619  Cuscuta ceanothi M. L. Bryan 1928-6-2 7 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  RSA250393  Cuscuta subinclusa R. F. Thorne, John Dourley 1967-10-3 37273 Los Angeles Mt. Baden Powell; N slope at Vincent Gap; on dry open steep talus slopes. 2287 Comment
  RSA0127625  Cylindropuntia echinocarpa R. G. Swinney 2014-4-23 16166 Los Angeles San Gabriel Mountains/Mojave Desert: east of Valyermo, 3.1 miles south of Hwy 138 on Bob's Gap Rd (15th St E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  SBBG112830  Cynara cardunculus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 757 Los Angeles upper end of salina at mouth of Cherry Cyn 3 Comment
  RSA235292  Cynodon dactylon M. A. Piehl 62498 Los Angeles Santa Catalina Island: main road above Goat Harbor. Comment
  RSA483536  Cynodon dactylon F. R. Fosberg 1931-4-1 S 4439 Los Angeles Santa Catalina Island: Hamilton Canyon near Avalon 75 Comment
  UC76773  Cynodon dactylon J. Burtt Davy 1901-5 7755 Los Angeles Los Angeles Comment
  UCSB6802  Cynodon dactylon Haller, Norman 1953-3-22 Los Angeles Corner of Hilgard and LeConte; UCLA Campus, garden near Bus Stop Comment
  SEINET10515372  Cynodon dactylon G. B. Grant 1904-5-10 Grant 133 Los Angeles Collected at Pasadena, southern California. Not poisoned. Bermuda Grass. Comment
  SD252219  Cyperus Steven A. Junak 1999-7-17 Sca 1066 Los Angeles Santa Catalina Island. Just N of Patrick Reservoir, just S of new Trans-island fenceline. 410 Comment
  UC1971610  Cyperus difformis Louis C. Wheeler 1946-9-8 6361 Los Angeles SAN GABRIEL MOUNTAINS: San Gabriel Canyon, 1/4 mile below forks along highway on west side. Comment
  UCR210086  Cyperus eragrostis R. G. Swinney 2008-10-20 9641 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  JEPS45930  Cyperus erythrorhizos F. R. Fosberg and J. Ewan 1931-8-10 S 5484 Los Angeles N. Fork San Gabriel, Crystal Lake 1615 Comment
  RSA625693  Cyperus gracilis T. Yutani 1983-8-8 s.n. Los Angeles Santa Monica. Comment
  UCR224027  Cyperus involucratus Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11687 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR48963  Cyperus involucratus A. C. Sanders 1987-9-18 7359 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  CAS-BOT-BC227167  Cystopteris fragilis Timothy S. Ross; Steve Boyd 1994-5-4 7680 Los Angeles Liebre Mountains. Dogwood Canyon: narrow canyon draining NE to Burns Canyon from the NE summit of Grass Mountain 1283 Comment
  CAS-BOT-BC70545  Cystopteris fragilis Joseph Ewan 1932-7-4 7579 Los Angeles Millards Canyon, San Gabriel Mts. 1127 Comment
  UCR143250  Cytisus multiflorus LeRoy Gross 2004-3-30 1212 Los Angeles Transverse Ranges, Verdugo Mountains region; north side of the mountains; off the south side of the 210 fwy between La Tuna Canyon Road and Lowell Ave. in the city Tujunga 549 Comment
  RSA756571  Cytisus scoparius Orlando Mistretta, Christine Mistretta 2008-4-29 2553 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  CAS-BOT-BC198207  Cytisus striatus R. Leen 1987-5-29 s.n. Los Angeles Tujunga Canyon along Highway 210 between Tuna Canyon Road and Lowell Avenue Comment
  UCSB71760  Cytisus striatus Gross, LeRoy; Denslow, Michael; Hogshead, Bill 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mountains region; north side of mountains: north of Hostetter Motorway (on thomas guide) just off La Tuna Canyon Road; freeway cut (210 Freeway) just east of La Tuna Canyon exit (Burbank 7.5 Quad.: T2N R13W S30 457 Comment
  RSA719109  Dactylis glomerata R. G. Swinney 1997-8-6 5766 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  UCR108458  Dactylis glomerata L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns., Susanna Canyon, 0.25 mi upstream from the mouth [San Gabriel Reservoir] Comment
  RSA506187  Datisca glomerata L. C. Wheeler 1967-8-1 10235 Los Angeles San Gabriel Mountains, Angeles National Forest, Middle Fork of Mill Creek. 1220 Comment
  SFV14461  Datura wrightii J. L. Reveal 1987-9-9 3881 Los Angeles Santa Susana Mountains Limekiln Canyon north of Rinaldi. 396 Comment
  UC1586375  Datura wrightii Kevin Groark 1991-6-14 2 Los Angeles w end Lancaster (1/2 mi w of 235th St. West on Ave. D.) Comment
  CATA267  Datura wrightii Mark L. Hoefs 1973-5-14 275 Los Angeles Santa Catalina Island: Upper Avalon Canyon 60 Comment
  UCR127196  Daucus pusillus A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26282 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
  POM12330  Daucus pusillus F. L. Robinson 1921-5-18 81 Los Angeles Claremont. 365 Comment
  CAS-BOT-BC130915  Deinandra clementina Alice Eastwood 1917-7-20 6492 Los Angeles Santa Catalina Island Comment
  UC1234793  Deinandra clementina Peter H. Raven 1962-5-23 17856 Los Angeles e side Avalon Bay; Santa Catalina Island Comment
  LA200234  Deinandra fasciculata Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4612 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  UC206221  Deinandra fasciculata Katharine Brandegee Los Angeles Santa Catalina Island Comment
  LA209912  Deinandra fasciculata H. Lewis; 1940-8-12 Los Angeles Campus of University of California at Los Angeles Comment
  SD52905  Deinandra fasciculata Peter H. Raven 1962-5-9 17689 Los Angeles San Clemente Island; road above Pyramid Cove. 120 Comment
  SD52911  Deinandra fasciculata Peter H. Raven 1962-7-11 17994 Los Angeles San Clemente Island; Upper reaches of canyon north of station Nanny, north of Lemon Tank. Comment
  UCR143550  Delphinium cardinale L. C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Valley, San Gabriel Wash, 0.25 mile south of Arrow Highway 122 Comment
  UCR256556  Delphinium cardinale Anuja Parikh, Nathan Gale 2011-7-12 3554 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 2.6 km west of State Hwy 39, San Gabriel Canyon Road 523 Comment
  PASA2552  Delphinium parishii Florence Brubaker Los Angeles Mint Canyon Comment
  RSA398701  Delphinium parishii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA600425  Delphinium parryi subsp. parryi Steve Boyd, Lauren Raz 1997-4-30 9618 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA783868  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 D Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  CHSC25072  Dendromecon rigida L. M. Mayer; I. J. Mayer 1974-4-6 134 Los Angeles Malibu Canyon ca. 1/2 mi ne of Tapia Park on Las Virgenes/Malibu Canyon Rd. Comment
  LA200721  Dendromecon rigida Carl Epling; M. Epling 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA45859  Dendromecon rigida Elizabeth Levine; 1949-5-8 sn Los Angeles San Gabriel Mountains, Big Tujunga Wash N of the bridge Comment
  UCSB2126  Dendromecon rigida Wedberg, H. 1958-2-22 Los Angeles About 5 miles W. of Beverly Glen Blvd on Mulholland Drive, Santa Monica Mts. Comment
  RSA0112560  Deschampsia danthonioides R. G. Swinney 2011-6-15 15179 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA229066  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40779 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  SBBG72179  Descurainia pinnata P. A. Munz 1928-3-7 11062 Los Angeles Claremont Comment
  RSA0060769  Descurainia pinnata subsp. brachycarpa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6822 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0070280  Descurainia pinnata subsp. brachycarpa LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7003 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA592789  Descurainia sophia Steve Boyd 1996-4-25 8677 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. From gate at old inholding boundary near spring area along Forest Service Road 7N22., Down to beginning of extensive wetland south of the old dry pastures. 915 Comment
  UCR129920  Descurainia sophia Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1111 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  SBBG116989  Desmazeria rigida S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1507 Los Angeles rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn, ca. 0.5 mi from jct with Middle Cyn Rd 396 Comment
  RSA0087026  Dichelostemma capitatum R. G. Swinney 2010-3-18 11968 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  UC143022  Dichelostemma capitatum C. F. Baker 1904-4-22 4764 Los Angeles Monrovia Comment
  SDSU11587  Dichelostemma capitatum Gerald Collier 1951-3-9 M 90 Los Angeles Faculty Hill; 1/4 mile from UCLA campus on a dry grassy slope. West of Campus. Comment
  POM243783  Dichelostemma capitatum subsp. capitatum F. R. Fosberg 1931-3-25 S 4369 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 50 Comment
  SD262172  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-8 16453 Los Angeles San Gabriel Mountains: near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. Confluence. 537 Comment
  UCR281645  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-8 16453 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA167092  Dichelostemma capitatum subsp. capitatum W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Park Comment
  RSA188198  Dichondra occidentalis R. F. Thorne, P. C. Everett 1965-6-24 35020 Los Angeles Catalina Island. Rancho Escondido, Escondido Canyon 213 Comment
Read comments
Jan 14 2008
  UCR260814  Digitaria Steve Ries 2009-12-10 s.n. Los Angeles South Coastal Plain Region, weed in turf on north edge of Los Angeles Basin Comment
  HSC5262  Digitaria sanguinalis John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  LA8667  Digitaria sanguinalis Monte Lloyd; 1950-7-10 500710p 1000 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  CAS-BOT-BC150917  Diplacus bigelovii var. bigelovii Timothy S. Ross; J. Mark Porter 1994-5-1 7597 Los Angeles Southwestern Mojave Desert: Open desert, ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  CAS-BOT-BC150643  Diplacus longiflorus Alice Eastwood 1919-5-29 8987 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC150647  Diplacus longiflorus Ethel, Miss Graves 1900-4-1 s.n. Los Angeles Near Pasadena Comment
  SEINET10550094  Distictis laxiflora Elizabeth M. McClintock 1942-11-16 McClintock s.n. Los Angeles Evans and Reeves Nurseries, West Los Angles Comment
  RSA0072145  Dodecahema leptoceras Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  UC1080591  Dodecatheon clevelandii subsp. clevelandii E. K. Balls, P. C. Everett, R. Shaw 1958-1-8 22849 Los Angeles 4 mi n Claremont (sw of San Antonio Dam); n of Claremont, sw of San Antonio Dam 579 Comment
  RSA628696  Dodecatheon clevelandii subsp. clevelandii Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: 0.4 mile southwest Big Cieneja on ridge on south side Big Dalton Canyon near mouth. 640 Comment
  NY324342  Dondia taxifolia L. Abrams 1902-6-9 2490 Los Angeles Playa del Rey Comment
  CAS-BOT-BC41672  Draba cuneifolia var. integrifolia Peter H. Raven 1962-3-27 16993 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east of Portuguese Bend. Comment
  RSA0016411  Drymocallis glandulosa var. reflexa Orlando Mistretta, Christine Mistretta 2011-6-23 5737 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  CAS-BOT-BC67904  Dryopteris arguta Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont Comment
  LA1764  Dryopteris arguta A. M. Johnson; 1927-11-11 44 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA200114  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1858 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  SBBG125331  Dudleya cymosa subsp. pumila A. Parikh, N. Gale 2010-6-29 3371 Los Angeles Upper Glen Cyn, 0.5 km N of Monrovia Peak, just S of Rincon Red Box Rd 1460 Comment
  RSA423525  Dudleya densiflora H. G. Rush 1948-4-10 s.n. Los Angeles San Gabriel Canyon, near second river bridge on hillsides 152 Comment
  CAS-BOT-BC428403  Dudleya lanceolata L. R. Abrams 1901-6-1 1864 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC428407  Dudleya lanceolata K. Nakai 1978-5-4 376 Los Angeles Santa Monica Mountains, Santa Ynez Cyn. 2286 Comment
  POM1569  Dudleya lanceolata I. M. Johnston 1917-6-20 1367 Los Angeles San Antonio Canyon (7 Oaks) 975 Comment
  RSA422246  Dudleya lanceolata F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo 15 Comment
  RSA423506  Dudleya lanceolata Kessler 1930-1 s.n. Los Angeles Fish Canyon Comment
  CAS-BOT-BC109675  Dudleya multicaulis Louis C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek, San Gabriel Mountains. 487 Comment
  RSA762336  Dysphania ambrosioides R. G. Swinney 2008-10-20 9655 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  CHSC83694  Dysphania botrys John Dittes 1990-6-7 83 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. 922 Comment
  UCR259235  Dysphania botrys R. G. Swinney 2010-6-4 13005 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR276997  Dysphania botrys R. G. Swinney 2010-9-30 13914 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UCR104095  Echinochloa crus-galli Scott D. White 1997-5-21 5193 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  RSA636099  Echinodorus berteroi L. C. Wheeler 1953-9-27 7052 Los Angeles San Gabriel Mountains: Arroyo Seco, just upstream 100 yards from Pasadena water intake. . Comment
  RSA711454  Eclipta prostrata LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2440 Los Angeles Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  SBBG131706  Ehrharta erecta S. A. Junak 1999-4-22 SCa 834 Los Angeles between YMCA and San Diego Yacht Club facilities 6 Comment
  SEINET10850032  Ehrharta longiflora Scott D. White, J. Wood 2008-5-8 White 11943 Los Angeles Puente/Chino Hills: SCE powerline corridor near Skyline Dr., and E of hacienda Blvd.; Hacienda Heights (La Habra: T2S R10W S30. NE. Ruderal and shrublands. 305 Comment
  RSA0084936  Elatine brachysperma R. G. Swinney 2010-9-13 13805 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  CAS-BOT-BC113284  Eleocharis parishii Alice Eastwood; John Thomas Howell 1937-4-26 3977 Los Angeles Rosamond Lake bottom Comment
  RSA0113893  Elymus glaucus Steven A. Junak 1999-5-21 SCa- 990 Los Angeles Santa Catalina Island. Coffee Pot Canyon, upstream from road crossing. 427 Comment
  CAS-BOT-BC206753  Elymus glaucus subsp. glaucus Geo. B. Grant 1904-5-5 6178 Los Angeles Pasadena Comment
  CAS-BOT-BC206757  Elymus glaucus subsp. glaucus I. M. Johnston 1971-7-15 1517 Los Angeles Head of S Fk, Lytle Creek - San Antonio Mountains 1828 Comment
  LA105046  Elymus glaucus subsp. glaucus Barry A. Prigge; 1988-7-3 8180 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA547438  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-17 6364 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to the E fork of the San Gabriel river and joining it at 2125 feet elevation 689 Comment
  UCR142808  Elymus glaucus var. glaucus L. C. Wheeler 1936-6-21 4162 Los Angeles San Gabriel Mtns, West Fork of Palmer Canyon 701 Comment
  UCR210076  Elymus hispidus R. G. Swinney 2008-7-24 9339 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA137875  Emmenanthe penduliflora Robert F. Thorne 1966-4-7 35972 Los Angeles Santa Catalina Island: Howland Landing canyon near road to Johnson s Landing. 23 Comment
  RSA599707  Emmenanthe penduliflora Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9456 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
  UC31398  Encelia actoni J. Burtt Davy May 9 1896-May 24 1896 2643 Los Angeles Leonis Valley Antelope Valley, Leonis Valley Comment
  CAS-BOT-BC131222  Encelia californica Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-24 22698 Los Angeles San Clemente Island 110 Comment
  SBBG12876  Encelia californica E. R. Blakley 1961-9-23 4752 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 3 Comment
  LA6780  Ephedra nevadensis Louis Wheeler; 1932-4-10 602 Los Angeles 2 mi. W Palmdale 761 Comment
  RSA584307  Ephedra nevadensis T. S. Ross, Steve Boyd 1991-3-23 4249 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA0093139  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 B 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
  CAS-BOT-BC81969  Ephedra viridis A. D. E. Elmer 1902-6-1 3599 Los Angeles Acton Comment
  UC1586195  Epilobium brachycarpum Tim Ross 1991-8-16 5819 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (dry stream depression) 1719 Comment
  OBI69362  Epilobium canum John Knapp, Denise Knapp 2002-11-27 17 Los Angeles Santa Catalina Island 61 Comment
  SEINET7042284 Image available Epilobium canum A. G. Vestal 1938-7-4 s.n. Los Angeles Bottom of Wash, Eaton Canyon, Angeles National Forest. Mount Wilson quadrangle. UTM Zone 11, 399333mE, 3785184mN. Comment
  RSA9681  Epilobium canum subsp. canum Louis C. Wheeler 1931-10-16 253 Los Angeles Sawpit Canyon. San Gabriel Mountains. 305 Comment
  JEPS39229  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1918-7-13 125 Los Angeles Santa Anita Canyon San Gabriel Mts. 975 Comment
  POM247922  Epilobium glaberrimum subsp. glaberrimum Joseph A. Ewan 1936-8-13 10035 Los Angeles Sufts about the margin of spring hole, Lamel Springs on N slope of N Baldy 2652 Comment
  SBBG58832  Epipactis gigantea E. Crow 1930-6-29 Los Angeles between Camp Coldwater and Pine Flats Comment
  SEINET6166317  Epipactis gigantea G. B. Grant June 1904 404 Los Angeles Eagle Rock Canyon, Pasadena Comment
  UCR181701  Equisetum hyemale R. G. Swinney 1993-3-5 2008 Los Angeles San Gabriel Mtns., Glendora, Monroe Canyon, 50 yards north of Big Dalton Canyon Rd. at junction of Monroe and Big Dalton Canyons, on west side of stream 576 Comment
  LA94913  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1966-3-26 1769 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca. 1 mi. from mouth. 60 Comment
  RSA656849  Equisetum hyemale var. affine Valerie L. Soza, Laura Moore 2000-6-14 1016 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  POM211516  Equisetum hyemale var. affine L. C. Wheeler 1933-10-7 2168 Los Angeles Liveoak Canyon 762 Comment
  RSA639598  Equisetum hyemale var. affine L. C. Wheeler 1932-5-4 679 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  RSA582960  Equisetum laevigatum T. S. Ross 1993-4-23 6933 (2of2) Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; along the stream, ca. 350m WNW of Eagle's Nest Lodge. 131 Comment
  UCR177699  Equisetum laevigatum L. C. Wheeler 1933-10-7 2167 Los Angeles Transverse Ranges; San Gabriel Mountains, Liveoak Canyon 762 Comment
  RSA639359A  Equisetum laevigatum L. C. Wheeler 1932-8-2 1109 A Los Angeles N. Fork San Gabriel R., San Gabriel Mts. 1433 Comment
  SBBG13489  Equisetum telmateia subsp. braunii P. H. Raven 1962-5-22 17845 Los Angeles ca. 1 mi below Middle Ranch Comment
  UC817580  Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 mi n Claremont 411 Comment
  RSA609012  Eremocarpus setiger L. C. Wheeler 1931-1 s.n. Los Angeles San Dimas: Puddingstone. Comment
  CAS-BOT-BC162973  Eremothera boothii subsp. decorticans A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  RSA0104651  Eriastrum densifolium subsp. austromontanum F. W. Peirson 1919-7-29 521 Los Angeles Summit of Mt. Wilson, San Gabriel Mountains 1738 Comment
  UCR84558  Eriastrum densifolium subsp. densifolium T. S. Ross, Steve Boyd 1994-7-7 8172 Los Angeles San Gabriel Mtns., upper Cienaga Canyon: S base of Liebre Mtn, just on the north side of the 'Kelly Ranch' inholding (USFS map, 1958; 'Knapp Ranch,' Angeles National Forest map, 1982). 1018 Comment
  UCD118320  Eriastrum sapphirinum Louis C. Wheeler 1933-9-26 2135 Los Angeles San Gabriel Canyon, San Gabriel Mountains. 335 Comment
  RSA0121299  Eriastrum sapphirinum subsp. dasyanthum Muriel F. Wheeler 1938-6-13 860 Los Angeles San Dimas Wash, 0.5 mile northeast of San Dimas County Park 350 Comment
  SBBG58323  Eriastrum sparsiflorum R. Hoffmann 1931-5-2 Los Angeles Bouquet Cyn Comment
  UC1432747  Ericameria cooperi var. cooperi J. L. Strother 1968-4-18 612 Los Angeles ca 20 mi w Route 14 (Route 138) 792 Comment
  UC511466  Ericameria cooperi var. cooperi A. D. E. Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  RSA549816  Ericameria cuneata var. cuneata Wandalee Thompson 1965-10-31 103 Los Angeles Mt. Williamson Tunnel, Mt. Williamson, Angeles Crest Highway, Angeles National Forest, San Gabriel Mountains. 2073 Comment
  UCR242058  Ericameria ericoides Dan S. Cooper 2012-8-6 812- 54 Los Angeles South Coast, Culver City, northeastern edge of West Los Angeles College campus, along powerline right-of-way within and adjacent to Baldwin Hills oil fields 55 Comment
  SD40113  Ericameria ericoides subsp. ericoides Edith A. Purer 1933-10-7 5589 Los Angeles El Segundo Comment
  CHSC34618  Ericameria linearifolia James Henrickson 1973-5-12 15 Los Angeles 9 miles SW of Little Rock, .2 miles S of Mt. Emma Rd., along Hwy N3. 1188 Comment
  JEPS26434  Ericameria linearifolia Peter H. Raven and Henry J. Thompson 1960-4-24 15126 Los Angeles Cornell Corners Santa Monica Mountains, Cornell Corners 213 Comment
  OBI2904  Ericameria linearifolia Lewis S. Rose 1968-4-5 68016 Los Angeles Acton, Mojave Desert 823 Comment
  SBBG62921  Ericameria nauseosa var. mohavensis R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  UCSB42652  Ericameria palmeri Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road, 3.3 mi. west of Hwy. 5 981 Comment
  RSA620013  Ericameria palmeri var. pachylepis LeRoy Gross 1998-11-15 100 Los Angeles Santa Susana Mountains.: North on Interstate 5, exit Calgrove, west to old road, south to Towsley Canyon. City of Newhall. 426 Comment
  CAS-BOT-BC131647  Ericameria parishii var. parishii Le Roy Abrams 1900-8-1 850 Los Angeles San Gabriel [Canon] Canyon 762 Comment
  CAS-BOT-BC293117  Ericameria pinifolia Ralph Hoffmann 1931-10-1 s.n. Los Angeles Mint Canyon Comment
  CAS-BOT-BC293151  Ericameria pinifolia John Thomas Howell 1927-10-16 3150 Los Angeles On the trail between Santa Anita Canon [Canyon] and Sierra Madra [Madre], San Gabriel Mts. Comment
  RSA117758  Ericameria pinifolia S. Carlquist 1958-6-2 491 Los Angeles just outside fence at NE corner of the Botanic Garden, Claremont Comment
  UC1118804  Ericameria pinifolia A. Lewis 1934-2-1 281 Los Angeles Mouth of Soledad Canyon San Fernando Quad., Mouth of Soledad Canyon 426 Comment
  RSA0022984  Erigeron foliosus Duncan S. Bell, Caitlin Elam 2013-8-1 5573 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Lupine Campground area and below Columbine Spring. 2031 Comment
  SBBG14462  Erigeron foliosus var. foliosus H. and M. Dearing 1944-10-5 5899 Los Angeles Chilao 1524 Comment
  RSA522331  Erigeron foliosus var. foliosus Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4032 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
  LA81946  Eriodictyon crassifolium O. H. Kappler; 1941-5-9 251 Los Angeles Santa Monica Mountains, Cold Creek 182 Comment
  UCR97330  Eriodictyon crassifolium David Charlton 1989-4-30 2960 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  RSA0091115  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SD72763  Eriodictyon traskiae F. R. Fosberg 1931-5-6 S 4790 Los Angeles Santa Catalina Island; just below junction of two main forks, Cape Canyon, near head. 249 Comment
  UCR101721  Eriogonum angulosum B. G. Pitzer 1998-5-23 3735 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR127665  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
  UCR102412  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-10 10032 Los Angeles Liebre Mountains Region, High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed 1744 Comment
  SBBG28198  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles lower Topanga Cyn, about 1.5 mi E of ocean beach Comment
  UCR141806  Eriogonum covilleanum June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  CAS-BOT-BC242774  Eriogonum davidsonii Le Roy Abrams 1901-7-1 1889 Los Angeles West Fork of San Gabriel Riv. Comment
  JEPS56706  Eriogonum davidsonii Frank W. Peirson 1918-6-30 18 Los Angeles summit Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  RSA729398  Eriogonum davidsonii R. G. Swinney 1998-9-7 6950 Los Angeles San Gabriel Mtns.: saddle between Pine Mountain and Dawson Peak 2817 Comment
  UCR209866  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR239019  Eriogonum davidsonii Anuja Parikh, Nathan Gale 2010-6-15 3290 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.2 km east northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1305 Comment
  POM13554  Eriogonum elongatum P. A. Munz 1922-11-20 6569 Los Angeles Hills south of San Dimas. Comment
  UCR210500  Eriogonum elongatum R. G. Swinney 2008-12-6 9962 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  CDA22576  Eriogonum elongatum Phillipson 1915-8-16 Los Angeles North Sierra Madre. Comment
  LA34235  Eriogonum elongatum var. elongatum Peter H. Raven; Henry J. Thompson 1959-9-20 14461 Los Angeles 274 Comment
  LA52304  Eriogonum elongatum var. elongatum H. P. Bracelin; 1931-10-11 571 Los Angeles Comment
  SBBG62014  Eriogonum elongatum var. elongatum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  OBI81437  Eriogonum fasciculatum R. G. Swinney 2009-11-13 11613 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  RSA393508  Eriogonum fasciculatum Richard Arnold 1983-8-10 1022 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3. Comment
  UCR155594  Eriogonum fasciculatum A. C. Sanders, Helen Kennedy 2005-4-13 29453 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC253268  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-2-14 6485 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  CAS-BOT-BC253272  Eriogonum fasciculatum var. foliolosum Javier Penalosa 1961-5-21 1525 Los Angeles San Gabriel Canyon Comment
  POM306179  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-9-2 s.n. Los Angeles Angeles Crest Highway: Johnny Canyon. Comment
  SEINET11937916  Eriogonum fasciculatum var. foliolosum H. W. Graham 1927-1 9- 9 -44 Los Angeles along trail and rd from Mt Lowe Tavern, Mt. Lowe to observatory and Mt. Wilson, near Los Angeles Comment
  CAS-BOT-BC250107  Eriogonum fasciculatum var. polifolium J. Ewan 1931-5-30 4264 Los Angeles Short Cut Canyon, off West Fork, San Gabriel River, San Gabriel Mts. 1219 Comment
  RSA711922  Eriogonum fasciculatum var. polifolium Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1357 Los Angeles Whiting Woods Mtwy junction with Verdugo Mountain Mtwy, near radio facilities. 869 Comment
  RSA766109  Eriogonum fasciculatum var. polifolium Joseph A. Ewan 1932-6-18 7352 Los Angeles Clear Creek of Tujunga Drainage. San Gabriel Mts. 762 Comment
  SD92008  Eriogonum giganteum var. formosum Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22672 Los Angeles cliff above the sea, east side 1 mile south of Wilsons Cove, San Clemente Island 29 Comment
  CAS-BOT-BC250307  Eriogonum giganteum var. giganteum Robert F. Thorne 1967-5-19 36895 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon below Eagle's Nest 91 Comment
  RSA5989B  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-10-4 4226 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  CAS-BOT-BC250303  Eriogonum giganteum var. giganteum June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Summit Comment
  UCR19589  Eriogonum gracile G. R. Johnstone 1930-10-19 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rosemead, in the dry bed of the Rio Hondo River 152 Comment
  UCR255476  Eriogonum gracile Dan S. Cooper 2014-6-26 614- 23 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  RSA393216  Eriogonum grande var. grande Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA598216  Eriogonum grande var. grande Sara L. Crockett 1996-10-30 543 Los Angeles San Clemente Island: directly across from Casino. 9 Comment
  SBBG128197  Eriogonum grande var. grande M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas, M. Walgren 2000-7-19 2190 Los Angeles near end of rd that runs S from Eel Point 27 Comment
  SD52902  Eriogonum grande var. grande Peter H. Raven 1962-7-10 17979 Los Angeles San Clemente Island; Canyon below Lemon Tank 244 Comment
  UCR210200  Eriogonum heermannii R. G. Swinney 2008-8-13 9408 Los Angeles San Gabriel Mtns., junction of High Desert Recreational Trail (10W09) and Dorr Canyon, 0.6 mi. south of Big Rock Creek Rd. 1634 Comment
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Oct 23 2020
  RSA662173  Eriogonum heermannii var. heermannii P. A. Munz 1923-9-1 7719 Los Angeles Sheep Creek: San Antonio Mountains. 1372 Comment
  SBBG125879  Eriogonum inflatum A. Parikh, N. Gale 2010-6-8 3265 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3.4 km NW of State Hwy 14; E Liebre Mtns 1190 Comment
  SEINET6068448  Eriogonum maculatum Louis Wheeler 1973-4-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  JEPS56718  Eriogonum mohavense Ralph Hoffmann 1928-11-9 Los Angeles Acton Comment
  RSA0072143  Eriogonum mohavense Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  CAS-BOT-BC269772  Eriogonum nudum var. pauciflorum John Thomas Howell 1947-7-18 23410 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  SD1308  Eriogonum nudum var. pauciflorum R. B. Randall 1931-7-19 Los Angeles San Bernardino Mts., Swartout Comment
  CAS-BOT-BC269768  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 928 Los Angeles 1.9 mi W of State highway 2 on Big Pines Highway; San Gabriel Mtns 1645 Comment
  RSA330821  Eriogonum parishii Wayne E. Sawyer 1981-7-26 115 Los Angeles San Gabriel Mountains, Angeles National Forest: California Hightway 2 between Dawson Saddle and junction with California Highway 39 2210 Comment
  UCR29836  Eriogonum pusillum G. R. Ballmer 1983-5-19 s.n. Los Angeles Dry slope near Fort Tejon Rd. about 0.5 mi west of its intersection with Longview Rd., 3.5 mi south of Pearblossom 1016 Comment
  UCSB33296  Eriogonum roseum Griesel, Wesley; Miller, B. 1963-7-2 Los Angeles Sawmill Campground Sawmill Mt 1676 Comment
  RSA597740  Eriogonum saxatile Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3796 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  RSA766270  Eriogonum saxatile Joseph A. Ewan 1932-6-17 7254 Los Angeles Summit Mount Disappointment, San Gabriel Mts. 1829 Comment
  CAS-BOT-BC262861  Eriogonum thurberi Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  RSA0011355  Eriogonum thurberi Orlando Mistretta, Youssef Atallah 2011-8-12 6014 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA579511B  Eriogonum umbellatum var. canifolium Tim S. Ross, S. D. Boyd 1994-6-23 8053 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
  CAS-BOT-BC268204  Eriogonum umbellatum var. munzii Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains Region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1584 Comment
  UC6464  Eriogonum umbellatum var. munzii J. H. Barber 1897-7-6 243 Los Angeles on Mt. Gleason San Gabriel Range, Mt. Gleason Comment
  SBBG64215  Eriogonum vimineum M. N. Ackley -May-1927 862 Los Angeles Little Rock foothills 914 Comment
  UC1348912  Eriogonum wrightii var. subscaposum Robert F. Thorne and John Olmsted 1965-8-26 33364 Los Angeles along Blue Ridge near upper end of Holiday Hill Ski Lift; San Gabriel Mts., Angeles National Forest, Blue Ridge 2468 Comment
  CAS-BOT-BC297912  Eriophyllum confertiflorum Geo. B. Grant 1902-6-26 4162 Los Angeles Mt Lowe Comment
  OBI70291  Eriophyllum confertiflorum Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns: Mill Canyon 762 Comment
  POM307843  Eriophyllum confertiflorum Henry J. Ramsey 1938-6-11 2731 Los Angeles Eaton Canyon Park. Comment
  RSA651120  Eriophyllum confertiflorum C. R. Parks 1963-2-9 118 Los Angeles Along east-facing ridge near Hoegees Campground on Winter Creek, above Chantry Flat in the Santa Anita Canyon, south face of San Gabriel Mountains, ca. 5 miles north of Arcadia. Comment
  RSA654645  Eriophyllum confertiflorum Fred Brooks, P. Sobkowiak 1988-4-23 10 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UCD132120  Eriophyllum confertiflorum T. E. Weier 1941-6-24 s.n. Los Angeles Angeles Crest. Comment
  UCR223564  Eriophyllum confertiflorum R. G. Swinney 2009-6-2 10989 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SD251667  Eriophyllum confertiflorum F. R. Fosberg 1931-3-26 S 4397 Los Angeles Santa Catalina Island; Sea Bluffs west of Hamilton Canyon. 39 Comment
  JEPS30478  Eriophyllum confertiflorum var. confertiflorum Henry J. Thompson 1959-5-24 1986 Los Angeles on road cut in chaparral, Tuna Canyon, 0.3 mi n of Coast Highway; Santa Monica Mountains 45 Comment
  JEPS34704  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1924-6-16 Los Angeles Pasadena Comment
  LA200195  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; 1966-5-14 TAG- 51466 -EC Los Angeles 329 Comment
  CAS-BOT-BC308365  Eriophyllum nevinii Geo. B. Grant No date on label. s.n. Los Angeles Santa Catalina Island Comment
  POM358084  Eriophyllum nevinii George R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  POM358087  Eriophyllum nevinii M. B. Dunkle 1939-4-6 7284 Los Angeles Mosquito Harbor, San Clemente Island Comment
  RSA650520  Erodium botrys David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  UC1587699  Erodium botrys Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5170 Los Angeles 1100 ft ssw Twin Dams (nnw of Boulder marker (1850 ')); San Clemente Island 490 Comment
  CATA1560  Erodium cicutarium Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2827 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  UCR141065  Erodium cicutarium June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  UCR197758  Erodium cicutarium Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 39 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
  UCR259948  Erodium cicutarium R. G. Swinney 2010-4-28 12437 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
  UCR280676  Erodium cicutarium R. G. Swinney 2014-5-21 16636 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA712184  Erodium macrophyllum A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-4-29 26152 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east of Lake Hughes Rd. 488 Comment
  UCR48938  Erodium moschatum A. C. Sanders 1987-7-22 7153 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA512060  Erodium moschatum Louis C. Wheeler 1967-5-13 9505 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  UCR223202  Erysimum capitatum R. G. Swinney 2009-7-22 11309 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  CAS-BOT-BC40713  Erysimum capitatum P. Parnay 249 Los Angeles Little Tejunga. Comment
  RSA530305  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-18 4193 Los Angeles Mt. Baldy Resorts 1829 Comment
  UCR271673  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-31 14918 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
  RSA530292  Erysimum capitatum var. capitatum B. C. Templeton 1932-5-31 4842 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  RSA594747  Erysimum capitatum var. capitatum Timothy S. Ross 1995-4-26 8388 Los Angeles LIEBRE GULCH: along Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site) ca 60 feet ESE of its junction with 8N01 in the canyon bottom. 994 Comment
  SD107834  Erythranthe cardinalis Mark Hoefs 1973-6-5 342 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon; stream bed by main road 22 Comment
  HSC34792  Eschscholzia caespitosa R. E. Cooksey Mar 1972 4 Los Angeles Pomona College Wash 335 Comment
  RSA49121  Eschscholzia caespitosa P. A. Munz 1949-5-10 13384 Los Angeles Adventive in Botanic Garden, S of pinic ground knoll Comment
  UCD100534  Eschscholzia californica Shannon M. Still 2006-3-31 66 Los Angeles California. Los Angeles County: North side of W. Avenue I in Antelope Valley, ca. 9 mi. west of Hwy 138/14. 765 Comment
  RSA0038398  Eschscholzia californica Harold L. Pirie 1963-4-27 s.n. Los Angeles Santa Monica Mts., near Wells Drive and Calvin Street, Woodland Hills. 274 Comment
  RSA0042641  Eschscholzia californica Jami Liberi 1983-4-17 07 Los Angeles 15 feet above a brook. Across the street from San Antonio Dam. 640 Comment
  CATA688  Eschscholzia ramosa Mark L. Hoefs 1991-4-26 1179 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA461092  Eucalyptus camaldulensis Robert Gustafson 1981-4-14 2166 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA0012583  Eucalyptus citriodora A. C. Sanders 2003-5-22 26813 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
  RSA0012585  Eucalyptus citriodora A. C. Sanders, D. Malueg 2001-5-17 24323 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  SFV21380  Eucalyptus globulus L. Gross, V. Soza, S. Tessel 2001-6-4 408 Los Angeles Verdugo Mountains Northwest side of mountains. Verdugo Crestiline Drive (fire road) just north of the 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. Cleared area just north of rife road. Cleared for fire safety (as close to homes). 427 Comment
  UCR61338  Eucalyptus tereticornis R. G. Swinney 1989-8-29 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. East Hook Canyon debris basin 427 Comment
  RSA608  Eucrypta chrysanthemifolia J. T. Howell 1928-6-29 1013 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  JEPS33741  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-8 5357 Los Angeles San Francisquito Canyon 800 Comment
  SD232240  Euphorbia graminea Justin M. Wood 2009-1-3 281 Los Angeles San Gabriel Valley: City of Monrovia, residential property on El Nido Ave. 170 Comment
  LA50646  Euphorbia maculata Monte Lloyd; 1950-7-11 500711 p1130 Los Angeles Campus of University of California at Los Angeles 121 Comment
  UCR190817  Euphorbia palmeri R. G. Swinney 1999-7-5 7507 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  CATA2011  Euphorbia peplus Steven A. Junak 1998-3-22 503 Los Angeles Santa Catalina Island: Along W side of Avalon Canyon Road, just N of entrance to Wrigley Botanical Garden 106 Comment
  HSC7990  Euphorbia peplus C. S. Apperson 1966-3-3 Los Angeles Pierce College Arboretum. Comment
  UCR101277  Euphorbia prostrata L. C. Wheeler 1961-8-15 7916 Los Angeles San Gabriel Valley, City of Pasadena, Huntington Memorial Hospital 244 Comment
  RSA0127010  Euphorbia serpens Louis C. Wheeler 1969-9-25 12322 Los Angeles Pasadena: 790 South Arroyo parkway. Comment
  SD230227  Euphorbia serpillifolia subsp. serpillifolia Louis C. Wheeler 1973-6-15 Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  UCR187217  Festuca microstachys A. C. Sanders 2006-4-25 32184 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR256168  Festuca myuros R. G. Swinney 2010-3-22 12001 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR91368  Festuca myuros Scott D. White 1995-3-15 2561 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  LA13122  Festuca myuros Marjorie Bowler; 1937-11-23 107 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  CATA1642  Festuca perennis Mark L. Hoefs, Steven A. Junak 1998-6-12 2925 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  RSA517174  Ficus carica Tim S. Ross, Orlando Mistretta 1990-10-16 3278 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 665 Comment
  CAS-BOT-BC474729  Ficus microcarpa R. E. Riefner, Jr. 2015-7-19 15 -203 Los Angeles City of Carson, Dominguez Channel at Figueroa St., growing on S channel bank 7 Comment
  CAS-BOT-BC500450  Ficus microcarpa R. E. Riefner, Jr. 2015-8-15 15 -222 Los Angeles City of Malibu, N side of Pacific Coast Hwy, E ca 0.25 mi from Coastline Dr.15 15 Comment
  RSA0113951  Ficus microcarpa R. E. Riefner Jr. 2014-6-10 14 -371 Los Angeles Harbor City, W of 110-Freeway, Figueroa Pl. at Lagoon Dr. 6 Comment
  SEINET13383110 Image available Filago californica R. G. Swinney 2010-1 12110 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
  SEINET3246132  Filago californica R. W. Swinney 2008-1 8572 Los Angeles Sam Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR152894  Filago californica A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA233411  Filago californica R. F. Thorne 1966-4-17 36108 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  UCR223267  Foeniculum vulgare R. G. Swinney 2009-8-19 11452 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  RSA0048477  Foeniculum vulgare A. Lee Haines 1970-6-24 s.n. Los Angeles Point Dume. Comment
  SD237525  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles San Gabriel Mtns.: Pinon Hills area, 0.7 miles west of 237 St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  CAS-BOT-BC384173  Forestiera pubescens subsp. parvifolia Roxana S. Ferris 1918-6-12 902 Los Angeles Between Oban and Lancaster Comment
  CAS-BOT-BC384177  Forestiera pubescens subsp. parvifolia Le Roy Abrams; E. A. McGregor 1908-7-2 566 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  CAS-BOT-BC52539  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3834 Los Angeles Vicinity of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1700 Comment
  RSA391395  Frankenia grandifolia H. E. Hasse 1889-7-30 s.n. Los Angeles Near Los Angeles Comment
  POM244897  Frankenia salina F. R. Fosberg 1931-5-17 4885 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  RSA719593  Frasera neglecta R. G. Swinney 1997-7-17 5684 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  UC1922447  Fraxinus uhdei LeRoy Gross 2007-5-16 2731 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southern side of the range: Entrance to Wildwood Canyon at intersection with Harvard Road and Wildwood Canyon Road. Near 387 Comment
  RSA600060  Fremontodendron californicum Steve D. Boyd, Lauren Raz 1997-5-20 9815 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  UCR18427  Galinsoga parviflora O. F. Clarke 1977-1-30 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena [Altadena], north end of Lake Ave. Comment
  POM358610  Galinsoga parviflora var. parviflora F. R. Fosberg 1930-7-3 S 3026 Los Angeles San Gabriel River, El Monte. Comment
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Jan 30 2017
  RSA593434  Galium andrewsii subsp. intermedium Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8890 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  UCR204045  Galium angustifolium R. G. Swinney 2005-5-14 8239 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  POM367661  Galium angustifolium subsp. angustifolium Donald R. Bissing 1973-6-2 103 Los Angeles San Gabriel Mountains, Evey Canyon, 0.3 mile from the canyon mouth 720 Comment
  SBBG13691  Galium angustifolium subsp. angustifolium P. H. Raven 1962-5-20 17770 Los Angeles rd above Pebbly Beach 60 Comment
  SD253546  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-7-7 15430 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon (Chilao Flat 7.5'Q) 1220 Comment
  UC124587  Galium angustifolium subsp. angustifolium H. M. Hall 1908-6-16 8280 Los Angeles Avalon Santa Catalina Island Comment
  UC1281175  Galium angustifolium subsp. angustifolium H. E. McMinn 1924-7-25 1308 Los Angeles Catalina Island Comment
  RSA158024  Galium angustifolium subsp. angustifolium Peter H. Raven 1962-5-20 17770 Los Angeles Road above Pebbly Beach, Santa Catalina Island. 61 Comment
  POM48098  Galium angustifolium subsp. nudicaule I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  CATA1960  Galium aparine F. R. Fosberg 1931-3-20 4311 Los Angeles Santa Catalina Island: Hamilton Canyon 20 Comment
  POM367752  Galium aparine L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  RSA592813  Galium aparine Steve D. Boyd, Orlando Mistretta 1996-5-1 8754 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  SD52878  Galium aparine Peter H. Raven 1962-4-9 17176 Los Angeles small ravine above Wilson Cove, San Clemente Island 60 Comment
  UC1260169  Galium bifolium Robert F. Thorne and Larry DeBuhr 1974-6-28 44745 Los Angeles Lily Springs area San Gabriel Mts., Angeles National Forest, Mt. Hawkins, S Fo (n slope of mt., drainage of creek) 2438 Comment
  SD49394  Galium catalinense subsp. acrispum Reid Moran 1959-3-9 7168 Los Angeles San Clemente Island, on canyon wall, 2 miles SE of Eel Point 99 Comment
  SD86318  Galium catalinense subsp. acrispum R. Beauchamp, M. Douglas 1972-3-24 3219 Los Angeles On canyon cliff, San Clemente Island 99 Comment
  RSA198815  Galium catalinense subsp. catalinense Robert F. Thorne, D. Propst 1967-5-27 37637 Los Angeles Santa Catalina Island. Above stream in lower end of Middle Ranch Canyon 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
  RSA0110785  Galium johnstonii Richard G. Swinney 2011-5-16 14752 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  RSA188396  Galium nuttallii subsp. insulare Robert F. Thorne, Percy C. Everett 1965-6-22 34902 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  SBBG95436  Galium nuttallii subsp. insulare M. B. Dunkle 1928-3-17 1746 Los Angeles Johnson's 30 Comment
  LA82082  Galium nuttallii subsp. nuttallii O. H. Kappler; 1943-5-2 385 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA746867  Galium parishii Orlando Mistretta 1991-7-30 s.n. Los Angeles Mt. Baldy. 2957 Comment
  RSA599179  Galium porrigens Scott D. White 1997-3-12 4767 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  UCR47500  Galvezia speciosa D. C. Michener, R. M. Beauchamp 1982-9-25 4092 Los Angeles Channel Islands, San Clemente Island: Wilson Cove canyon 46 Comment
  UC303648  Garrya flavescens I. M. Johnston 1918-5-19 1985 Los Angeles San Antonio Canyon; San Antonio Mountains 1402 Comment
  RSA392385  Garrya flavescens var. pallida L. E. Hoffman 1931-12-23 s.n. Los Angeles Chilao Flats 2134 Comment
  LA93202  Garrya veatchii Kei Nakai; 1975-11-27 TCSP 1 155 -75 Los Angeles Santa Monica Mountains, Topanga Canyon, Topanga Canyon State Park, along fire road 30 426 Comment
  RSA776551  Garrya veatchii Orlando Mistretta, Christine Mistretta 2010-6-15 5320 Los Angeles Upper Big Tujunga canyon; Lynx Gulch. Along Lynx Gulch Road, 0.44 road miles N of junction with Upper Big Tujunga Canyon Road. 1018 Comment
  UCR147712  Garrya veatchii Walter Wisura 1999-9-10 5135 Los Angeles Transverse Ranges; San Gabriel Mts. region, 3.5 mi west of Cow Canyon Saddle on forestry road off Glendora Ridgeroad Comment
  UCR223487  Garrya veatchii R. G. Swinney 2009-6-8 11063 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR269104  Garrya veatchii Orlando Mistretta 1995-1-10 1957 Los Angeles Transverse Ranges; San Gabriel Mtns., near Glendora Mountain Road, c. 4 miles west of junction with Baldy Mtn. Road 1418 Comment
  UCR3694  Garrya veatchii Frank C. Vasek 1963-8-16 630816- 01 Los Angeles San Gabriel Mtns, Cow Canyon Saddle 1402 Comment
  SBBG131775  Gastridium phleoides S. A. Junak 1999-5-20 SCa 932 Los Angeles ridge between Cottonwood and Escondido Cyn, on S side of Cottonwood-Blackjack Rd, ca. 0.6 mi up from reservoir 256 Comment
  RSA229169  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth 1971-6-29 40709 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: along Aliso Creek at Tie Canyon where crossed by Angeles Forest Rd. 1372 Comment
  HSC101603  Gazania longiscapa Steve Boyd 2006-5-11 11661 Los Angeles Transverse Ranges; San Gabriel Mountains region: Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line, along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp 488 Comment
  SBBG113090  Genista monspessulana S. A. Junak 1997-3-27 SCa 350 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 121 Comment
  POM2881  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  RSA127944  Geranium carolinianum H. J. Thompson 1959-4-19 1955 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  RSA482524  Geranium carolinianum Richard Noyes 1988-4-30 551 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  RSA0068445  Gilia R. G. Swinney 2010-5-19 12838 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
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Dec 7 2018
  SD237555  Gilia R. G. Swinney 2008-6-17 9047 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile MW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5'Q) 2160 Comment
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Dec 7 2018
  UCR192189  Gilia A. C. Sanders 2008-4-17 34938 Los Angeles Transverse Range, mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 956 Comment
  RSA703590  Gilia Gary D. Wallace, M. Wallace 1983-5-20 2076 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  RSA0073359  Gilia achilleifolia R. G. Swinney 2010-6-21 13305 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  SEINET4031682  Gilia achilleifolia O. M. Clark 1929-1 1915 Los Angeles West Lancaster, southern California. Comment
  RSA515220  Gilia aliquanta subsp. aliquanta Steve Boyd, Orlando Mistretta 1986-3-31 1535 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA621041  Gilia aliquanta subsp. aliquanta J. Mark Porter 1998-4-27 11827 Los Angeles North Slope San Gabriel Mtns.: Z9 Road, off Largo Vista. 1371 Comment
  RSA709791  Gilia aliquanta subsp. aliquanta LeRoy Gross 2005-4-28 2148 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  POM6520  Gilia angelensis P. A. Munz, L. T. Street, G. Williams 1919-4-5 2418 Los Angeles Puddingstone Canyon, San Dimas. 244 Comment
  POM65669  Gilia angelensis C. F. Baker 1904-4-22 4185 Los Angeles Monrovia. Comment
  RSA72291  Gilia angelensis F. W. Peirson 1919-5-14 424 Los Angeles Eaton Canyon. 685 Comment
  SD69496  Gilia angelensis Robert F. Thorne 1966-4-7 35938 Los Angeles Santa Catalina Island; dr, southsoutheast-facing rocky slopes at Cherry Valley. 60 Comment
  SBBG58391  Gilia australis R. Hoffmann 1930-5-19 Los Angeles Mint Cyn, 4 mi E of Oak's Garage Comment
  SEINET6045044  Gilia capitata Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  POM96612  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-4-4 10017 Los Angeles 2 miles north of Saugus. Comment
  RSA0098764  Gilia capitata subsp. abrotanifolia R. G. Swinney 2011-4-26 14501 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
  UCD117690  Gilia capitata subsp. abrotanifolia Collector unknown 1923-5-22 273 Los Angeles Plume trail, Eaton Canyon. Comment
  UCR192200  Gilia latiflora A. C. Sanders 2008-4-16 34895 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 1000 Comment
  SD66836  Gilia nevinii R. Mitchel Beauchamp 1967-3-17 247 Los Angeles San Clemente Island, on slope east of Wilson Cove. Comment
  SEINET15328143  Gilia ochroleuca subsp. bizonata N. H. Holmgren, P. K. Holmgren 1974-1 7630 Los Angeles North foothills of the San Gabriel Mountains, Portal Ridge, 13 airmiles W of Lancaster. 1067 Comment
  UC879940  Gilia ochroleuca subsp. vivida Alice Eastwood 1919-6-20 9014 Los Angeles Mt. Wilson Comment
  UC167119  Gilia ochroleuca subsp. vivida unknown Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson San Gabriel Mts., summit of Mt. Wilson (southern California) 1828 Comment
  SEINET7040200  Gilia sinuata A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA469701  Gilia tricolor subsp. diffusa Jean Carnine 1932-5-1 15284 Los Angeles Malibu Lakes. Comment
  SEINET11849882  Glyptopleura marginata H. H. Heller n d 422 Los Angeles 20 mi E of Lancaster on Victorville Rd Comment
  RSA526526  Gnaphalium californicum Steve Boyd 1990-4-7 4265 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  UCR214664  Gnaphalium canescens A. C. Sanders, Dan S. Cooper 2010-4-30 38135 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA729196  Gnaphalium luteoalbum R. G. Swinney 1998-7-10 6371 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  POM358903  Gnaphalium palustre M. B. Dunkle 1928-10-7 1988 Los Angeles Santa Catalina Island. Middle Ranch Gorge. Comment
  UCR214667  Gnaphalium palustre A. C. Sanders, Dan S. Cooper 2010-4-30 38153 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR271845  Gnaphalium palustre R. G. Swinney 2011-6-23 15284 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA80713  Grindelia camporum F. W. Peirson 1928-9-5 8190 Los Angeles roadside about half dry meadows, Rock Creek, N slope of San Gabriel Mts. 1220 Comment
  SEINET11835890  Grindelia hirsutula var. hirsutula Unknown 1933-1 10371 Los Angeles SW Los Angeles, by Goodman Airport Comment
  UC56769  Guillenia lasiophylla W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  RSA151229  Guillenia lasiophylla P. H. Raven 1962-4-9 17177 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  RSA611008  Guillenia lasiophylla L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  RSA661180  Gutierrezia californica LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 401 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 366 Comment
  SBBG62670  Gutierrezia californica R. Hoffmann 1927-9-21 Los Angeles Castaic Comment
  SD252245  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1997-6-4 Sca 405 Los Angeles Santa Catalina Island. Along W and E sides of Deep Tank Reservoir, SW of housing at Empire Landing. 106 Comment
  POM369711  Harpagonella palmeri M. B. Dunkle 1929-4-13 2122 Los Angeles Santa Catalina Island; Moonstone Beach Comment
  RSA612109  Harpagonella palmeri Steve Boyd, Valerie Soza 1998-4-28 10158 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, top of ridge on south side of the canyon. 634 Comment
  UCR89462  Harpagonella palmeri T. S. Ross 1993-4-21 6843 Los Angeles Channel Islands, Santa Catalina Island, SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200 ft NNE to NE of 'Quartz' (1252 ft) 398 Comment
  RSA0118523  Harpagonella palmeri Steven A. Junak, Mark L. Hoefs, Lisa Stratton 1998-3-21 SCa- 497 Los Angeles Santa Catalina Island. Cape Canyon, along E side of Cape Canyon Road, ca. 2.4 road miles from intersection with Airport Road. 378 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
  SD92017  Hazardia cana Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22685 Los Angeles San Clemente Island; west fork or Red Rock Canyon. 270 Comment
  RSA517177  Hazardia squarrosa var. grindelioides Timothy S. Ross, Orlando Mistretta 1990-10-16 3282 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 756 Comment
  UC1870145  Hazardia squarrosa var. grindelioides LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains; Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Near 34° 13' 14.7'' N 118° 18' 32'' W. Elev. 2000 Feet. 609 Comment
  UCR255498  Hedera helix Dan S. Cooper 2014-6-26 614- 74 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  CAS-BOT-BC520319  Helianthemum scoparium R. G. Swinney 2010-5-25 12964 Los Angeles San Gabriel Mountains, just S of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just N of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 670 Comment
  UCR270919  Helianthemum scoparium R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14341 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
  CDA6209  Helianthus annuus Phillipson 1915-6-18 Los Angeles Monrovia. Comment
  SFV4469  Helianthus annuus P. M. Kennamer 1959-5-31 s. n. Los Angeles San Fernando Valley Northridge. Corner of Nordhoff Street and Collett Avenue. 274 Comment
  RSA593422  Helianthus gracilentus Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8898 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC1871089  Helianthus gracilentus T. S. Ross, Walter Appleby 1993-5-13 7133 Los Angeles Transverse Ranges; San Gabriel Mountains region; Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 NE/4 NE/4 sect. 9; ca 2980 feet elevation. 908 Comment
  RSA0016427  Helianthus inexpectatus Anuja Parikh, Nathan Gale 2002-9-26 s.n. Los Angeles Western Transverse Range: Newhall Ranch, large natural spring at north foot of 'Airport Mesa', 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. 305 Comment
  UCR125949  Heliotropium curassavicum A. C. Sanders, Mark Elvin 2002-6-19 25171 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
  SD252293  Heliotropium curassavicum Steven A. Junak 2000-10-12 Sca 1413 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. 195 Comment
  SFV7296  Helminthotheca echioides T. Gordon, K. Kimbrough 1975-2-15 794 Los Angeles Los Angeles Basin Los Angeles, Elysian Park. 213 Comment
  UCD132959  Helminthotheca echioides Daryl Koutnik 1967-5-19 36890 Los Angeles Santa Catalina Island. Behind salina at Little Harbor. 7 Comment
  UCR143419  Hemizonia fasciculata F. R. Fosberg 1931-5-6 S- 4815 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  RSA298239  Hemizonia minthornii H. M. Hall 1929-11-6 12772 Los Angeles Santa Susana Pass Comment
  RSA544550  Herniaria hirsuta subsp. cinerea Timothy S. Ross, Elizabeth Kellogg 1992-4-11 6116 Los Angeles San Clemente Island: ridge betw W fork of China Canyon and small lateral draw that meets it at 850ft. 259 Comment
  SFV21954  Hesperolinon micranthum L. L. Zung, T. Sagar 2011-5-2 4 Los Angeles Santa Monica Mountains Malibu Creek near spillway of Malibu Lake. 215 Comment
  LA22797  Hesperoyucca whipplei Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SEINET10873416  Heterocodon rariflorum Robert F. Thorne, C. W. Tilforth 1971-6-30 Thorne 40768 Los Angeles SAN GABRIEL MTS. S FORK OF LITTLE ROCK CR 0.3 MI BELOW ALDER SADDLE 5300 Comment
  CAS-BOT-BC143703  Heteromeles arbutifolia L. R. Abrams; I. L. Wiggins 1931-7-6 385 Los Angeles Vicinity of Mosquito Harbor Comment
  RSA660774  Heteromeles arbutifolia Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 42 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 586 Comment
  RSA0072428  Heteromeles arbutifolia Freda Detmers 1929-11-11 s.n. Los Angeles Griffith Park. Comment
  RSA449830  Heteromeles arbutifolia Edwin Kline 1924-8-13 s.n. Los Angeles San Fernando Mountains Comment
  UCSB2814  Heteromeles arbutifolia Haller, Norman 1953-5-7 Los Angeles Mulholland Dr. near Sepulveda Blvd., Santa Monica Mts. 457 Comment
  CAS-BOT-BC318866  Heterotheca grandiflora Henry J. Thompson 1958-10-23 1813 Los Angeles Point Dume, Santa Monica Mountains 30 Comment
  RSA0034283  Heterotheca grandiflora Benjamin E Carter 2012-8-23 6989 Los Angeles Channel Islands: Santa Catalina Island. Airport Road, ca. 1/4 mi north of Middle Ranch Road. 405 Comment
  CAS-BOT-BC310853  Heterotheca sessiliflora subsp. fastigiata Geo. B. Grant 1906-9-14 7182 Los Angeles Pasadena 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
  UC213274  Heuchera elegans I. M. Johnston 1917-6-20 1733 Los Angeles Baldy Lookout of U. S. F. S. Baldy Lookout; San Antonio Mountains 1828 Comment
  UC457281  Heuchera elegans Martha Hilend 1929-5-14 Los Angeles Mt. Lowe Comment
  RSA748486  Hieracium albiflorum Orlando Mistretta 1992-7-6 638 Los Angeles From confluence of Cooper and Buckhorn Canyons, up +/- upstream to falls of Buckhorn Creek, near Campground. Comment
  UC57439  Hieracium argutum J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  RSA653290  Hirschfeldia incana Kelly Middleton, David Middleton 1988-5-23 29 Los Angeles Glendora Ridge Road, 8.0 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora 1067 Comment
  UCR202740  Holodiscus microphyllus R. G. Swinney 2001-8-27 8091 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
  RSA0096802  Holodiscus microphyllus var. microphyllus R. G. Swinney 2011-9-27 15695 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  UCR223567  Hordeum brachyantherum R. G. Swinney 2009-6-3 11051 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR259266  Hordeum murinum R. G. Swinney 2010-3-14 11900 Los Angeles San Gabriel Mountains, 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
  RSA590918  Hordeum murinum subsp. leporinum Orlando Mistretta 1994-4-12 1008 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1005 Comment
  RSA601615  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-13 9491 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  RSA151240  Hordeum vulgare P. H. Raven 1962-4-11 17292 Los Angeles Near airfield at north end of island, San Clemente Island 30 Comment
  RSA85204  Horkelia cuneata subsp. puberula F. W. Peirson 1923-3-23 4278 Los Angeles San Antonio Wash at Foothill Blvd., Claremont. Comment
  RSA0042671  Horkelia cuneata subsp. puberula Laura Moore 1999-4-10 014 Los Angeles Pitzer College, Claremont: Northwest section of Outback, across trail from small Quercus agrifolia. 350 Comment
  CAS-BOT-BC537329  Horkelia cuneata var. cuneata John H. Thomas 1957-4-27 6670 Los Angeles Pt. Dume, about 18 miles due W of Santa Monica, coastal bluffs 60 Comment
  UC1586212  Horkelia rydbergii Tim Ross 1991-8-16 5838 Los Angeles Horse Flats San Gabriel Mtns, Chilao Flats USGS 7.5' quad 1719 Comment
  RSA0126814  Horkelia rydbergii Louis C. Wheeler 1967-7-15 10027 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  LA211986  Hosackia oblongifolia var. oblongifolia Orlando Mistretta; 1990-7-2 4478 Los Angeles SAN GABRIEL MOUNTAINS, Bear Flat. 1746.0 Comment
  RSA0011527  Hosackia oblongifolia var. oblongifolia Orlando Mistretta, Christine Mistretta 2011-6-23 5727 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  SEINET10761149  Hulsea heterochroma David J. Keil 1977-6-11 Keil K 12390 Los Angeles Along Los Angeles County road N-2 (Pine Canyon Road), 4 mi. W of jctn with Three Point Road. 1158 Comment
  UCR101284  Hydrocotyle verticillata L. C. Wheeler 1946-9-2 6346 Los Angeles University of Southern California Campus in front of Doheny Library, 36th St. & University Ave. 58 Comment
  UC19041  Hypericum formosum var. scouleri unknown Los Angeles Claremont Comment
  UC92002  Hypochaeris radicata A. J. McClatchie 1893-5-21 136 Los Angeles along street in Pasadena Comment
  RSA78898  Isocoma acradenia E. K. Balls, P. C. Everett 1952-10-3 18008 Los Angeles 2.3mi. N of lancaster, Hwy 6 at jct. with Hwy 138. 762 Comment
  RSA187791  Isocoma menziesii R. F. Thorne 36705 Los Angeles Santa Catalina Island: Dry sunny hillside near small reservoir W of Air Strip. 442 Comment
  POM359492  Isocoma menziesii var. decumbens F. R. Fosberg 1931-7-15 S 5421 Los Angeles Isthmus, Santa Catalina Island. 20 Comment
  UC32926  Isocoma menziesii var. vernonioides Katharine Curran 1883-9-1 Los Angeles near Los Angeles Comment
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Mar 27 2016
  CAS-BOT-BC142451  Ivesia santolinoides Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  UC53979  Jaumea carnosa H. P. Chandler 1902-9-9 2049 Los Angeles Ballona Marshes Comment
  UCD110259  Juglans californica Kenneth A. Wilson 1961-3-12 1011 Los Angeles Santa Monica Mtns. Decker Road (Alisos Canyon) 1 mile north of Coast Highway. Comment
  UCR91397  Juglans californica Scott D. White 1995-3-15 2548 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  SACT002740  Juglans californica Louis Wheeler 1932-4-2 Los Angeles North slope, sedimentary formation. Santa Monica Mountains. Comment
  CAS-BOT-BC110032  Juncus acutus L. R. Abrams 1901-5-28 1682 Los Angeles Ballona Harbor. Comment
  RSA0115694  Juncus balticus subsp. ater A. C. Sanders 2006-5-16 32335 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  UCR204034  Juncus bufonius R. G. Swinney 2001-9-16 8158 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  RSA368155  Juncus bufonius var. bufonius L. C. Wheeler 1933-11-19 2273 Los Angeles San Gabriel Canyon. 335 Comment
  RSA746864  Juncus macrophyllus Orlando Mistretta 1992-5-21 364 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  LA210415  Juncus patens K. Opitz; 1941-5-24 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR209129  Juncus rugulosus R. G. Swinney 2008-6-24 9093 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  RSA188245  Juncus textilis Robert F. Thorne, Percy C. Everett 1965-6-23 34962 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon. 152 Comment
  IRVC29012  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA584114  Juncus torreyi Timothy S. Ross, Peter W. Fritsch 1990-6-11 2994 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  POM6451  Juncus xiphioides L. T. Street, G. Williams 1919-5-10 2710 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA368384  Juncus xiphioides Bryan 1929-7-4 s.n. Los Angeles Switzer's Camp; Arroyo [Seco]. 975 Comment
  SBBG31283  Juncus xiphioides R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles No 2 Reservoir, upper part of Middle Ranch Cyn 304 Comment
  UCR125971  Juncus xiphioides A. C. Sanders, Mark Elvin 2002-6-19 25174 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
  RSA589347  Juncus xiphioides Orlando Mistretta 1994-3-30 956 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  CHSC99677  Juniperus californica LeRoy Gross 2000-8-25 260 Los Angeles Big Tujunga Wash/Verdugo Mountains: Orcas Park, entered from Foothill Blvd. onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. East side of Hansen Dam, close to a deep depression (manmade) that has a few Salix growing in it. 324 Comment
  UCR140610  Juniperus californica Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 01 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  HSC20975  Keckiella cordifolia C. S. Apperson 1967-6-15 Los Angeles 1.0 mi. down Canton Canyon Trail from the Townsend Park Rd. Comment
  RSA401703  Keckiella cordifolia Bonnie C. Templeton 1930-5-27 s.n. Los Angeles Higgens Canyon north of Beverly Hills. Comment
  RSA401756A  Keckiella cordifolia F. R. Fosberg 1931-5-21 S- 4937 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  SFV16659  Keckiella cordifolia K. Sheffron, T. Rossberger 1994-5-19 40 Los Angeles San Gabriel Mountains Saugus. Along Dry Gulch Road between San Francisquito Canyon Road and Lake Hughes Road. Comment
  UC886919  Keckiella cordifolia F. R. Fosberg 1931-3-27 S 4400 Los Angeles Hamilton Canyon; Santa Catalina Island 50 Comment
  UCD123790  Keckiella cordifolia Daryl Koutnik 1978-6-3 517 Los Angeles Dry Canyon-Cold Creek Road between Mulholland Hwy and Old Topanga Canyon Road. 304 Comment
  UCR131410  Keckiella cordifolia Alison Lipman 1998-6-11 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  RSA567294  Keckiella ternata subsp. septentrionalis Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-28 3969 Los Angeles Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon. 1402 Comment
  RSA188522  Keckiella ternata subsp. ternata Robert F. Thorne, John Olmsted 1965-8-26 35400 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  RSA550394  Keckiella ternata subsp. ternata Tim S. Ross 1992-7-10 6683 -B Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater and Wickiup Canyons; N and NE slope above stream. 975 Comment
  UC221000  Keckiella ternata var. septentrionalis A. D. E. Elmer Jun 1902 3597 Los Angeles Acton Comment
  UC70577  Keckiella ternata var. ternata Ernest Braunton 1905-8-5 1275 Los Angeles Tujunga Canyon Comment
  UCR107791  Kochia californica Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10152 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  SBBG1820  Krascheninnikovia lanata H. and M. Dearing 1949-4-27 6763 Los Angeles W Mojave Desert [near Lancaster?] Comment
  UCD39071  Krascheninnikovia lanata Beecher Crampton 1963-5-7 6776 Los Angeles San Bernardino - Los Angeles County border: ca. 0.5 miles n.w. Desert Springs, State Hwy. 138. 1185 Comment
  SBBG108937  Laennecia coulteri S. A. Junak 1996-9-28 SCl 673 Los Angeles Box Cyn, ca. 0.46 mi downstream from Triangulation Pt "Snapper" 323 Comment
  RSA708872  Lagophylla ramosissima Scott D. White, Andrea Warniment 2005-9-9 11214 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  UCR127376  Lagophylla ramosissima A. C. Sanders, M. S. Enright 2002-8-7 25561 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, low hills in central Potrero Canyon, just SE of main oil facility, south of road and north of powerlines 366 Comment
  LA35909  Lamarckia aurea Peter H. Raven; 1960-4-2 14864 Los Angeles 487 Comment
  UCD125095  Lamium amplexicaule Peter H. Raven 1962-2-1 16877 Los Angeles Los Angeles State and County Arboretum. 182 Comment
  UC17317  Larrea tridentata J. Burtt Davy May 9 1896-May 24 1896 Los Angeles West Palmdale; Antelope Valley Comment
  CAS-BOT-BC338138  Lasthenia californica M. B. Dunkle 1940-3-17 7401 Los Angeles North ridge, Santa Barbara Island Comment
  CAS-BOT-BC338145  Lasthenia californica C. C. Parry; J. G. Lemmon 1876-1-1 193 Los Angeles Unspecified Comment
  POM12311  Lasthenia gracilis F. L. Robinson 54 Los Angeles Claremont Comment
  RSA651391  Lathyrus laetiflorus subsp. barbarae P. H. Raven, Henry J. Thompson 1960-4-24 15119 Los Angeles Santa Monica Mountains, Decer [Decker] Road about 2 miles north of Coast Highway. 244 Comment
  RSA0106492  Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-3-18 14157 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA90276  Lathyrus vestitus var. vestitus F. W. Peirson 1924-5-26 4627 Los Angeles trail to Switzer's Camp 915 Comment
  SBBG96635  Lavatera cretica S. Boyd with O. Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4171 Los Angeles head of Larkspur cyn, E side of island, S of US Navy site called 'Jack 213 Comment
  UCSB6624  Layia glandulosa Beach, Kay 1943-3-25 Los Angeles San Dimas Exp. Forest; Dalton Comment
  CATA2980  Layia platyglossa Peter J. Dixon 2015-2-19 011 Los Angeles Santa Catalina Island: Near Two Harbors, on ridge 1.5 miles SSE of village of Two Harbors. 320 Comment
  SBBG17772  Layia platyglossa P. H. Raven 1962-4-10 17237 Los Angeles gully to W side of island about 1.5 mi N of Thirst 457 Comment
  JEPS31168  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles n side of Oso Canyon Road to Mexican Mine; Tejon Ranch 1005 Comment
  SBBG131936  Lepechinia fragrans S. A. Junak 2000-5-19 SCa 1327 Los Angeles just W of rd out to first ridge, W of Twin Rocks ridge 304 Comment
  UC1234780  Lepechinia fragrans Peter H. Raven 1962-5-20 17788 Los Angeles Santa Catalina Island, upper end of Cape Canyon Road just below Blackjack 396 Comment
  UC140283  Lepechinia fragrans C. F. Baker 1904-6-14 5061 Los Angeles hills near Claremont; ; Claremont Comment
  UCR231903  Lepidium appelianum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8033 Los Angeles Mojave Desert, Antelope Valley, north Palmdale, 100 m west of Sierra Highway, 460 m west of 8th St and 150 m north of Technology Dr/Avenue P-8 797 Comment
  UCD115462  Lepidium draba J. Warren 1952-5-29 s.n. Los Angeles Near Hershey Hall UCLA. 121 Comment
  UC184285  Lepidium flavum A. D. E. Elmer Jun 1902 3653 Los Angeles Lancaster Comment
  UCR194069  Lepidium fremontii R. G. Swinney 1999-5-22 7201 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  UCR222739  Lepidium fremontii R. G. Swinney 2009-4-29 10608 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
  RSA429611  Lepidium lasiocarpum Anstruther Davidson 1893-4-10 s.n. Los Angeles Azusa. Comment
  RSA603645  Lepidium pinnatifidum L. C. Wheeler 1944-9-25 5975 Los Angeles Culver City: Jasmine Avenue and Venice Boulevard. Comment
  CDA8160  Lepidospartum squamatum J. B. Cook, J. Mann 1963-10-3 Los Angeles 1634 Houston Court, Claremont. 0 Comment
  LA32050  Lepidospartum squamatum Peter H. Raven; Henry J. Thompson 1958-9-19 13728 Los Angeles Santa Monica Mountains, near junction of Potrero Canyon Rd and Decker Rd [Westlake Blvd], near Lake Sherwood 281 Comment
  POM361766  Lepidospartum squamatum Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  SEINET4043523  Leptodactylon pungens R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mountains. Comment
  RSA165703  Leptosiphon androsaceus Wesley O. Griesel, Brian C. Miller 1963-7-2 s.n. Los Angeles Liebre Campground, Liebre Mtn. Angeles National Forest. 1646 Comment
  POM3482  Leptosiphon aureus Henry M. Ford 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  RSA0116186  Leptosiphon breviculus R. G. Swinney 2011-5-16 14746 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), 1.18 mi. at 73 deg SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp. 1375 Comment
  SEINET7968704 Image available Leptosiphon chrysanthus subsp. chrysanthus James Henrickson 1971-5-2 5538 Los Angeles 15 miles E of Palmdale, 3 miles N of Hwy 138 along 167 St, south of Lovejoy Buttes in Mojave Desert 945 Comment
  UCSB9517  Leptosyne douglasii Gray, Caroline 1956-4-13 Los Angeles 16 mi. east from Little Rock and 6 mi. from Llano Comment
  UCR23838  Lessingia filaginifolia John C. Roos 1942-9-12 1719 Los Angeles City of Los Angeles, Westwood Village Comment
  SEINET3148927  Lessingia glandulifera E. D. Palmer sn Los Angeles Los Angeles Comment
  SBBG33439  Leymus cinereus A. D. E. Elmer -Jun-1902 3662 Los Angeles Lancaster Comment
  RSA604309  Lilium humboldtii subsp. ocellatum Louis C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Fish Canyon at Upper Clamshell Truck Trail, west side. 1250 Comment
  RSA229044  Lilium parryi Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38845 Los Angeles San Gabriel Mountains, Angeles National Forest: N-facing slope above Angeles Crest Higway N & below Lily Spring at headwater of S Fork, Big Rock Creek, ca. 2 miles S of Dawson Saddle. 2317 Comment
  CDA41459  Limonium sventenii Michael O Brien 2015-7-1 s.n. Los Angeles Malibu; County Line Beach , a unit of Leo Carrillo State Beach. 0 Comment
  RSA469957  Linanthus aureus L. C. Wheeler 1934-3-29 2480 Los Angeles San Gabriel Wash 107 Comment
  UC1124082  Linanthus breviculus Jerome S. Horton 1935-8-1 232 Los Angeles near Fern Canyon (Dry Lake); Cucamonga Quad. 1524 Comment
  LA200751  Linanthus californicus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  POM6959  Linanthus californicus McFadden 1919-6-1 2950 Los Angeles San Dimas Canyon. Comment
  RSA654197  Linanthus californicus Kelly Middleton, David Middleton 1988-5-8 1 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  UC52364  Linanthus liniflorus H. M. Hall 1902-5-3 Los Angeles near Elizabeth Lake Comment
  UCR21119  Linanthus liniflorus A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 1552 Los Angeles West Mojave Desert, western Antelope Valley, Hwy 138, 5.3 mi. west of the junction with Three Points Road, and 6.3 mi. east of the junction with old Gorman Post road Comment
  RSA659926  Linanthus parryae Orlando Mistretta 1992-5-18 341 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  POM220086  Linaria bipartita F. R. Fosberg 1932-5-6 8131 Los Angeles Santa Catalina Island. Mouth of Big Wash Canyon, Avalon. 20 Comment
  RSA276348  Linaria canadensis var. texana David S. Verity 1973-3-22 s.n. Los Angeles Westchester. Comment
  RSA400304  Linaria canadensis var. texana Grinnell 1918-1 s.n. Los Angeles Manhattan Beach. Comment
  RSA723828  Liquidambar styraciflua Thomas Poon, Sarah Primrose, Amy Tran, Veronica McClellan, Lyanne Dominguez 2007-9-15 s.n. Los Angeles Claremont. Along N. Mills Av. West of the Pitzer College parking lot and directly across from and east of the north parking lot of the W.M. Keck Science Center. Comment
  POM142562  Lithophragma affine C. F. Baker 1903-5-2 4754 Los Angeles Hills near Claremont. Comment
  CAS-BOT-BC432206  Lithophragma bolanderi G. B. Grant 1906-6-10 s.n. Los Angeles Castle Canyon, Mt. Lowe 1219 Comment
  RSA468250  Lithophragma bolanderi L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA479515  Lithophragma bolanderi Steve Boyd, T. S. Elias 1987-4-14 2054 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  UCR95299  Lithophragma parviflorum Steve Boyd, Orlando Mistretta 1996-5-1 8755 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
  RSA648201  Lobularia maritima Dan Milojevich 1981-5-17 45 Los Angeles Santa Anita & Bryant Ave. El Monte. Comment
  UCSB2215  Lobularia maritima Jacobson, Alan 1959-3-27 Los Angeles 12 miles south of U.S. Hwy. 101 on Crenshaw Blvd. in Palos Verdes Comment
  UC1871234  Loeflingia squarrosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4957 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  RSA184057  Loeseliastrum matthewsii I. L. Wiggins 1966-4-23 20626 Los Angeles E side of 145 st. E, between Palmdale Blvd. and Ave. O, N of Pearblossom Mohave Desert. Comment
  RSA586648  Loeseliastrum matthewsii Orlando Mistretta 1995-6-1 1758 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  SBBG98433  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5244 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 388 Comment
  SBBG109042  Logfia gallica S. A. Junak 1996-5-30 SCl 553 Los Angeles top of E escarpment, just S of Twin Dams Cyn, ca. 0.8 mi NE of Camera Pad Boulder 1 381 Comment
  RSA607594  Lolium perenne subsp. multiflorum L. C. Wheeler 1966-10-25 9076 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCR108638  Lolium temulentum L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns, East Fork San Gabriel River, c. 0.3 mi upstream from Alder Gulch 1227 Comment
  RSA599500  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Lauren Raz 1997-3-26 9325 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  RSA655791  Lomatium dasycarpum subsp. dasycarpum James Henrickson 2000-4-15 20696 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Highway 14. 488 Comment
  RSA0119539  Lomatium lucidum R. G. Swinney 2014-5-19 16564 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UCR137722  Lomatium mohavense L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  POM243773  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-12 S- 4851 Los Angeles Hay Press, Santa Catalina Island. 350 Comment
  RSA198828  Lonicera hispidula var. vacillans R. F. Thorne, D. Propst 1968-5-28 37677 Los Angeles Santa Catalina Island; in upper Bulrush Canyon, perhaps .5 miles NW of Round Top 305 Comment
  UC1871041  Lonicera interrupta T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3958 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  POM68126  Lonicera subspicata var. denudata Marcus E. Jones 1902-6-20 s.n. Los Angeles Mountains near Pasadena. Comment
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Mar 6 2011
  RSA754119  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1822 Los Angeles San Gabriel River main stem across from Morris Dam, CS1. 403 Comment
  RSA406096  Lotus crassifolius var. crassifolius L. E. Hoffman 1932-7-4 s.n. Los Angeles Big pines Co. park, Swarthout Canyon 1524 Comment
  RSA177826  Lotus dendroideus var. dendroideus R. F. Thorne, P. C. Everett 1965-5-10 34426 Los Angeles Santa Catalina Island. Along Summit Road near Hogsback 91 Comment
  RSA40658  Lotus heermannii var. heermannii M. B. Dunkle 1933-7-11 3659 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA755631  Lotus nevadensis R. G. Swinney 2008-7-15 9208 Los Angeles Winston Peak. 2275 Comment
  RSA228891  Lotus nevadensis var. davidsonii R. F. Thorne 1971-8-25 41321 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA406199  Lotus nevadensis var. davidsonii F. R. Fosberg 1931-8-12 5025 Los Angeles Buckhorn trail, N slope Mt. Islip 2195 Comment
  RSA729386  Lotus oblongifolius var. oblongifolius R. G. Swinney 1998-7-14 6434 Los Angeles SW of Wrightwood, 7.1 miles SE of Hwy 2 and 3N06 junction at 3N39, stream crossing road in a tributary canyon of Prairie Fork. 2171 Comment
  RSA729965  Lotus oblongifolius var. oblongifolius R. G. Swinney 1999-5-22 7200 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  RSA406210  Lotus oblongifolius var. oblongifolius F. R. Fosberg 1931-8-13 4964 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  RSA733282  Lotus procumbens R. G. Swinney 2001-6-16 7977 Los Angeles San Gabriel Mtns.: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
  UC1129076  Lotus procumbens var. procumbens A. D. Gifford 1935-5-10 207 Los Angeles 2 1/3 mi s of Neenach 1005 Comment
  UC57390  Lotus purshianus var. purshianus J. H. Barber 1897-6-27 199 Los Angeles Aliso Canyon Comment
  RSA0112021  Lotus salsuginosus Richard G. Swinney 2011-3-29 14275 Los Angeles San Gabriel Mts.: Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA133409  Lotus salsuginosus P. H. Raven 1959-5-3 14053 Los Angeles Santa Monica Mountains (34 deg.N; 118-119 deg.W). Mulholland Drive near Beverly Glen Boulevard 381 Comment
  RSA652451  Lotus scoparius Richard A. Goodfellow 1948-5-12 s.n. Los Angeles North side of hill, 2 miles East of Sunland. Comment
  UCR182675  Lotus scoparius subsp. brevialatus R. G. Swinney 1998-4-11 5941 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR273369  Lotus scoparius subsp. scoparius R. G. Swinney 2011-3-18 14161 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR264701  Lotus strigosus Mitch Provance, Callen Huff 2009-4-28 10725 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
  RSA545339  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA406939  Lotus strigosus var. strigosus F. R. Fosberg 1931-5-2 54742 Los Angeles Middle Ranch Canyon Santa Catalina Island 200 Comment
  RSA498734  Lotus strigosus var. strigosus E. S. Spalding 1925-4-24 s.n. Los Angeles Turnbull Canyon. Comment
  POM2443  Lotus unifoliolatus M. Hitchcock 1918-07 33 Los Angeles Van Nuys Comment
  SEINET10625731 Image available Luffa acutangula Heidi H. Schmidt 1999-10-14 Schmidt 3828 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  UC1601927  Lupinus L. R. Heckard 1985-5-4 6233 Los Angeles s side of Ave E 1 mi e of 10th St. East, ne Lancaster (s of Rosamond Dry Lake); Mojave Desert, s of Rosamond Dry Lake 701 Comment
  UCR159698  Lupinus andersonii Orlando Mistretta 1993-7-5 919 Los Angeles Transverse Ranges; San Gabriel Mtns, Bear Canyon Trail to Mt. Baldy 2049 Comment
  SBBG127514  Lupinus bicolor M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2847 Los Angeles upper end of rd to Toyon Beach 411 Comment
  SEINET7063474 Image available Lupinus bicolor A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta Hill. UTM Zone 11, 426531mE, 3763984mN. (WGS84/NAD83). 309 Comment
  SFV1868  Lupinus bicolor K. A. Wilson 1961-3-18 1042 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UC1871237  Lupinus bicolor T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4949 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  SEINET3131548  Lupinus bicolor Unknown 1903-4-11 3250 Los Angeles Near Inglewood Comment
  RSA593445  Lupinus bicolor subsp. marginatus Steve Boyd 1996-4-24 8646 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  SEINET10484881  Lupinus bicolor subsp. microphyllus Emma Shumway 1903-1 Shumway s.n. Los Angeles Field Comment
  SD12596  Lupinus chamissonis Edith A. Purer 1935-5-12 6597 Los Angeles El Segundo Comment
  RSA710783  Lupinus concinnus LeRoy Gross 2005-4-28 2143 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  CAS-BOT-BC205154  Lupinus elatus Wesley O. Griesel 1962-6-27 s.n. Los Angeles State Hwy. 2 between Islip Saddle & Dawson Saddle, San Gabriel Mountains 2133 Comment
  RSA607819  Lupinus elatus L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: North side summit Winston Peak. 2270 Comment
  UCR209950  Lupinus elatus R. G. Swinney 2008-7-15 9225 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  LA205084  Lupinus excubitus H. Anderson; 1932-3-24 sn Los Angeles Hungry Valley Comment
  UCR190103  Lupinus excubitus R. G. Swinney 1998-6-16 6980 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  RSA0110848  Lupinus excubitus var. hallii R. G. Swinney 2011-5-6 14608 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
  SEINET10485306  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 x 6453?(3) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  RSA0088834  Lupinus formosus Bonnie C. Templeton, I. W. Clokey 1930-4-8 1491 Los Angeles 1 mile north of Elizabeth Lake. Comment
  SEINET10485355  Lupinus formosus Thorne 1969-7-9 THORNE 38505 Los Angeles San gabriel mtns. Angeles national forest. Dry, open jeffrey-pine forest on Summit of table mtn. 2134 Comment
  RSA657450  Lupinus formosus var. formosus C. Schapiro 1979-5-28 29 Los Angeles Verdugo Mountains: On fire road at intersection of Haines Canyon Road and Day St., Tujunga 671 Comment
  RSA651064  Lupinus hirsutissimus 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. Comment
  SBBG69386  Lupinus hirsutissimus M. N. Ackley -Mar-1928 529 Los Angeles Eagle Rock 304 Comment
  UCR197201  Lupinus hirsutissimus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 698 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  UCR270401  Lupinus hyacinthinus John F. Emmel 2001-6-3 1715 Los Angeles San Gabriel Mountains, along road on south slope of Table Mountain, 0.0-0.2 air mile north & 0.5-0.8 air mile east of Big Pines Ranger Station 2195 Comment
  LA200471  Lupinus longifolius Carl Epling; 1933-5-13 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  UC15824  Lupinus longifolius J. H. Barber 1897-4 299 Los Angeles Santa Monica Canyon Comment
  CDA27541  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-16 1349 Los Angeles West edge of Antelope Valley, Ca. 198, 3.1 miles west of junction with County Road N2, 5.6 miles west of Gorman Post Road and I5. 0 Comment
  UC1129704  Lupinus sparsiflorus A. D. Gifford 1935-3-31 537 Los Angeles 5 6/10 mi nw Redrock Mountain; Angeles National Forest, Tejon Quadrangle Comment
  RSA755931  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2008-4-9 2407 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  SBBG121252  Lupinus sparsiflorus V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 746 Los Angeles above Burbank, Wildwood Cyn, W of Wildwood Cyn Rd; trail along ridgetop to Forester Grove, Radio Towers and Verdugo Mtwy 426 Comment
  SEINET12162015  Lupinus sparsiflorus R. F. Thorne, Tilforth, C. W. 1971-1 41512 Los Angeles San Gabriel Mts, Angeles National FOrest, San Dimas Cnayon nr dam on San Dimas Crk 457 Comment
  POM23929  Lupinus sparsiflorus subsp. sparsiflorus George B. Grant 1904-5-10 s.n. Los Angeles Pasadena. Comment
  RSA702191  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Pam De Vries 2004-6-14 10485 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  POM8704  Lupinus sparsiflorus subsp. sparsiflorus R. D. Harwood 1920-3-13 3320 Los Angeles San Jose Hills 4 mi. W of Pomona. 305 Comment
  RSA86969  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1919-2-12 87 Los Angeles Hills west of the lower Arroyo Seco, west of Pasadena 396 Comment
  POM202250  Lupinus succulentus Philip A. Munz 1934-4-2 13147 Los Angeles Puddingstone Canyon, San Dimas. 305 Comment
  HSC14950  Lupinus truncatus C. S. Apperson 1967-6-11 Los Angeles 1.0 mi. down Canton Canyon trail from the end of Townsend Park Rd. Comment
  UCR233748  Lupinus truncatus Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
  RSA3187  Lupinus truncatus C. B. Wolf 1932-5-8 2676 Los Angeles Low bluffs bordering Newport Bay, 1/2 mile north Corona Delmar, Orange County, Alt 25ft 8 Comment
  CAS-BOT-BC231484  Lycium brevipes var. hassei Alice Eastwood 1916-8-1 s.n. Los Angeles Exposition Park, Los Angeles Comment
  CAS-BOT-BC233483  Lycium californicum LeRoy Abrams 1903-3-14 3131 Los Angeles San Pedro hills near Rocky Mt. Comment
  UC1083109  Lycium cooperi Herbert L. Mason 1926-4-26 2969 Los Angeles Mint Canyon Road, summit of 1st grade San Gabriel Mts. Comment
  UC1280956  Lycium cooperi H. E. McMinn 1935-6-28 4080 Los Angeles near highway from Cajon to Palmdale Comment
  SD84879  Lyonothamnus floribundus Reid Moran 1941-2-28 652 Los Angeles Head of Johnson's Canyon, Santa Catalina Island 399 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
  UC19760  Lythrum californicum Harley P. Chandler 1897-5-31 Los Angeles Claremont 60 Comment
  RSA92910  Madia elegans subsp. densifolia F. W. Peirson 1920-9-17 2712 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  POM263557  Madia elegans subsp. elegans J. C. Roos 1937-7-18 401 Los Angeles Mirror Lake, San Antonio Canyon. Boundary between Los Angeles and San Antonio Canyon Comment
  UC830849  Madia exigua Louis C. Wheeler 1932-6-4 801 Los Angeles Liveoak Canyon San Gabriel Mts. 518 Comment
  CATA3080  Madia gracilis Amy Catalano 2016-4-13 068 Los Angeles Santa Catalina Island: Along Middle Ranch Road, about 300 meters east of fruit orchard, on south side of road 254 Comment
  SBBG52620  Madia gracilis R. R. Fosberg 1931-4-10 S 4528 Los Angeles Hamilton Cyn 12 Comment
  LA201931  Madia sativa Arthur C. Gibson; 2003-7-14 4418 Los Angeles 298 Comment
  NY24349  Mahonia nevinii C. B. Wolf 1927-7-27 682 Los Angeles About 1/2 mile south of San Fernando Comment
  CAS-BOT-BC512882  Maianthemum stellatum Tim Ross 1990-8-17 3176 Los Angeles San Gabriel Mts.,S side of Prairie Fork, in the vicinity of Columbine Spring. 2206 Comment
  UCR127636  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR209501  Malacothamnus fremontii R. G. Swinney 2008-6-17 9036 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR271973  Malacothamnus fremontii R. G. Swinney 2011-5-31 14909 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
  RSA438847  Malacothamnus marrubioides Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA641493  Malacothamnus marrubioides Louis C. Wheeler 1967-8-13 10473 Los Angeles San Gabriel Mts: between Bouquet Junction and Bonelli Ranch. Comment
  RSA0082688  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Oso Canyon, about 0.5 mile above Oso Corral. 1036 Comment
  RSA60284  Malacothrix californica E. K. Balls, Lee W. Lenz 1950-3-28 14471 Los Angeles 1 mile east of Quail Lake, Antelope Valley. 1067 Comment
  POM18241  Malacothrix foliosa P. A. Munz 1923-4-9 6612 Los Angeles San Clemente Island; North end Comment
  POM362301  Malacothrix glabrata N. C. Cooper 1948-4-21 2688 Los Angeles Littlerock Creek. 762 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
  SBBG49902  Malacothrix glabrata L. S. Matlovsky 1975-3-28 DM 0011 -1 Los Angeles near Alta Vista Comment
  RSA527693  Malacothrix saxatilis var. tenuifolia Timothy S. Ross 1991-6-3 5516 Los Angeles Elephant hill: W Pomona 268 Comment
  UC149191  Malacothrix saxatilis var. tenuifolia Le Roy Abrams 1902-6-20 2568 Los Angeles near Soldiers Home Comment
  UCR273403  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-4-26 14483 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
  JEPS66253  Malosma laurina S. B. and W. F. Parish June, 1887 1928 Los Angeles near San Fernando San Fernando Comment
  RSA673611  Malosma laurina LeRoy Gross 2002-12-8 s.n. Los Angeles City of Sunland. Housing tract on south bluff of Big Tunjuna Wash. 335 Comment
  RSA543157  Malva parviflora Tim S. Ross, Mike Hammitt, Orlando Mistretta 1991-5-17 5055 Los Angeles San Clemente Island: At West Cove, SW of the new landing field. 6 Comment
  SDSU8128  Malva parviflora Gerald Collier 1951-4-17 304 Los Angeles 11621 Mavfeilo Ave, L.A 49. Comment
  JEPS42594  Marah T. Brandegee 1894-8-25 Los Angeles San Clemente Comment
  RSA167856  Marah macrocarpa R. F. Thorne, P. C. Everett 1964-2-6 s.n. Los Angeles Santa Catalina Island. W of Catalina Harbor at Isthmus. 5 Comment
  RSA762448  Marah macrocarpa R. G. Swinney 2009-2-20 10007 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  SBBG17805  Marah macrocarpa P. H. Raven 1962-4-9 17160 Los Angeles above Wilson Cove 30 Comment
  RSA657930  Marah macrocarpa S. Campbell 1980-6-2 22 Los Angeles Verdugo Mountains; Approx. 400 feet west of Sierra Place on south-eastern slope of Verdugo Mountains. 244 Comment
  RSA674246  Marah macrocarpa var. macrocarpa LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 -b Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 823 Comment
  RSA440970  Marah macrocarpa var. major Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  SBBG96850  Marrubium vulgare S. Boyd with T. Ross, L. Arnseth 1990-4-7 4202 Los Angeles upper reaches of China Cyn Comment
  UCR3959  Marrubium vulgare Art Whistler 1965-5-1 s.n. Los Angeles San Fernando Valley, Chatsworth, at the W base of 'Stony Point,' which is at the N end of Topanga Canyon Blvd. 305 Comment
  RSA240679  Meconella denticulata Donald R. Bissing 1973-5-18 90 Los Angeles Evey Canyon: 0.6 mi. from canyon mouth. 756 Comment
  CHSC35496  Melica imperfecta James Henrickson 1979-5-18 18138 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  POM137986  Melica imperfecta R. F. Thorne, P. Everett 1965-6-23 34997 Los Angeles Santa Catalina Island: near mouth of Hamilton Canyon NW of Avalon 8 Comment
  RSA127935  Melica imperfecta P. H. Raven, HJ Thompson 1959-5-5 14149 Los Angeles Mullholand Highway 1 mile W of Las Virgenes Road; Malibu Creek drainage. 274 Comment
  RSA583078  Melica imperfecta Timothy S. Ross 1993-4-22 6882 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000m ESE of Cactus Peak summit; large, lichen-covered outcrop on NNW side of 1528-ft peak. 447 Comment
  RSA654194  Melica imperfecta Marilyn Porter 1991-5-17 16 Los Angeles Upland at San Bernardino County line, south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 670 Comment
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Feb 6 2008
  RSA479528  Melica stricta Steve Boyd, Laura Kopase 1987-6-8 2072 Los Angeles San Gabriel Mtns, 5 miles WNW of Wrightwood in Cedar Canyon near Jct. with Mescal Creek. 1524 Comment
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Sep 17 2014
  CATA327  Melilotus albus Mark L. Hoefs 1973-7-13 359 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 38 Comment
  RSA652191  Melilotus albus G. F. Orr 1953-2-21 s.n. Los Angeles In alley between Butler and Colby Aves., 50 yds. N. of Richland Ave., (LA) [Los Angeles ?] Comment
  SD31166  Melilotus albus Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills, fields Comment
  SBBG20536  Melilotus indicus E. R. Blakley 1963-12-7 6368 Los Angeles 200 yds SE of new air strip 60 Comment
  OBI35610  Melilotus indicus Rebecca Cicoria 1981-4-23 17 Los Angeles In upper end of Altamira Cyn, Rolling Hills Comment
  RSA669698  Melinis repens LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon., Near 34?13' 36.2''N 118?20' 34.9''W 449 Comment
  RSA188089  Mentha Robert F. Thorne 1965-6-23 34957 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon. 91 Comment
  LA211256  Mentha Barry A. Prigge; 2004-9-21 5199 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, along Malibu Creek just above Rindge Dam. Comment
  LA210642  Mentzelia affinis Carl Epling; May 1927 s.n. Los Angeles Tehachapi Mountains. Comment
  RSA585344  Mentzelia albicaulis Tim S. Ross 1991-4-27 4637 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA0014582  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-18 5718 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA0019774  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-23 5756 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  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
  UC56937  Mentzelia laevicaulis var. laevicaulis E. B. Babcock Nov 1902 Los Angeles near Pomona Comment
  SD38198  Mentzelia lindleyi Edith A. Purer 1931-3-8 Los Angeles Griffith Park Comment
  JEPS42773  Mentzelia micrantha F. M. Reed 1909-7-2 2818 Los Angeles Pebble Beach Road Catalina Island 15 Comment
  UCR144154  Mentzelia micrantha Michael Honer, Dylan Hannon 2003-7-1 1837 Los Angeles Liebre Mountains, Tapia Canyon area, c. 2 - 3 air miles west of I-5 Freeway jtn. with Ridge Rt. Rd. 549 Comment
  RSA674668  Mentzelia montana Scott D. White, Kent Hughes 2000-5-17 7883 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  CAS-BOT-BC167615  Mentzelia veatchiana L. R. Abrams 1927-4-30 11706 Los Angeles Head of Antelope Valley Comment
  RSA718288  Mentzelia veatchiana R. G. Swinney, Dave Larson 1996-7-17 5127 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
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Jun 26 2010
  UCR192179  Mentzelia veatchiana A. C. Sanders 2008-4-17 34943 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  UC1537686  Mentzelia veatchiana Gordon H. True Jr. 1935-3-28 188 Los Angeles s Littlerock 914 Comment
  SBBG13705  Mesembryanthemum crystallinum P. H. Raven 1962-7-11 18008 Los Angeles 1 mi S of Wilson Cove Comment
  CAS-BOT-BC435288  Mesembryanthemum nodiflorum L. R. Abrams; I. L. Wiggins 1931-7-7 397 Los Angeles Channel Islands. Catalina Harbor, Santa Catalina Island Comment
  LA202820  Mesembryanthemum nodiflorum J. D. Sauer; D. L. Johnson 1969-5-10 4500 Los Angeles San Clemente Island, N of Eel Point, central W coast Comment
  SFV10357  Micropus californicus M. L. Vincent 1963-5-22 358 Los Angeles Santa Monica Mountains Intersection of Old Topanga Canyon Road and Mulholland Highway, 0.5 miles off road. Comment
  POM362543  Microseris douglasii subsp. platycarpha M. B. Dunkle 1939-11-25 7364 Los Angeles San Clemente Island. East rim, canyon head. Comment
  RSA533938  Microseris douglasii subsp. platycarpha Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5224 b Los Angeles San Clemente Island; SE end of island in the vicinity of Knob, 5100 ft NW of Guds. About 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  RSA534007  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5108 Los Angeles San Clemente Island. 700 ft. ENE of North Tank and 2300 ft. due W of Jack (not Jack Point). 239 Comment
  RSA205580  Microseris lindleyi R. G. Swinney 2008-5-12 8836 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA518011  Microseris lindleyi Steve Boyd, Orlando Mistretta 1986-3-31 1547 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR85447  Microseris lindleyi R. G. Swinney 1994-5-7 2826 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  UCR191717  Microseris sylvatica A. C. Sanders 2008-4-11 34872 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UC1870286  Mimulus aurantiacus LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1078 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UC1922286  Mimulus aurantiacus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 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
  RSA0120157  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-27 16674 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA668845  Mimulus aurantiacus var. pubescens Carl Wishner 2002-4-2 4230 Los Angeles Puente Hills (Whittier Hills portion), along Turnbull Canyon Road, 1,100 feet northwest of Workman Hill. 305 Comment
  UC535367  Mimulus aurantiacus var. pubescens Ira W. Clokey, B. Templeton Apr. 1929 4441 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UC943872  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1888 ABCD Los Angeles hills a few mi w Pomona (on Highway 99 at summit of grade on high cut s side of road) Comment
  UCR212752  Mimulus aurantiacus var. pubescens Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1758 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 345 Comment
  UCR280686  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-27 16674 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  SEINET10570204  Mimulus bolanderi David B. Dunn 1955-5-6 Dunn 11864 Los Angeles Collected in stoddard canyon below the fork in rd in san antonio canyon. About 1.25 Yrs after the fire went through stripping the chaparral out. A few of the Sycamores had a narrow strip of cambium survive on the down canyon side. Comment
  SEINET12269797  Mimulus brevipes E. A. Purer 1935-1 6591 Los Angeles Malibu Lodge Rd, Santa Monica Mountains Comment
  RSA420658  Mimulus cardinalis M. B. Dunkle 1930-7-13 2433 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  RSA250519  Mimulus floribundus Robert F. Thorne, John Dourley 1967-10-10 37357 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  RSA408108  Mimulus fremontii Roy R. Snelling 1977-3-19 28 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  SFV9202  Mimulus fremontii S. Krause 1966-4-20 156 Los Angeles 150 feet off west side of road to Valyermo, 5.5 miles south of Highway 138. Comment
  UC903757  Mimulus fremontii var. fremontii Dr. John S. Garth 1948-4-21 C 2679 Los Angeles Littlerock 762 Comment
  UCR4038  Mimulus fremontii var. fremontii Val Chase 1965-4-12 36 Los Angeles Mojave Desert, 2 mi north of Pinyon Hills on road from Cajon to Palmdale (Hwy 138), roadside to the west 1220 Comment
  LA209388  Mimulus guttatus Carl Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  POM48  Mimulus guttatus J. F. Illingworth 1898-04 s.n. Los Angeles Claremont. 366 Comment
  RSA442745  Mimulus guttatus M. B. Dunkle 1933-6-17 3623 Los Angeles San Antonio Canyon. San Gabriel Mountains Comment
  UCR219899  Mimulus guttatus R. G. Swinney 2009-4-17 10389 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  JEPS84376  Mimulus guttatus Roxanne Bittman 1977-5-14 47 Los Angeles 14 mi w Elizabeth Lake Road (on n side of Bouquet Canyon Road) 731 Comment
  LA209387  Mimulus guttatus Carl Epling; 1925-2-28 6282 Los Angeles Los Angeles Comment
  SBBG66694  Mimulus parishii R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  RSA682517  Mimulus pilosus Scott D. White, Michael Honer 2003-5-7 9188 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  UCR203204  Mimulus rubellus R. G. Swinney 2005-5-21 8245 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Oct 18 2010
  CAS-BOT-BC173169  Minuartia douglasii Tim Ross 1992-5-8 6293 Los Angeles San Gabriel Mtns: San Antonio Canyon; upper N side of Hog Back 1182 Comment
  CAS-BOT-BC388663  Minuartia douglasii Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC388667  Minuartia douglasii Timothy S. Ross; Steve Boyd 1994-5-25 7913 Los Angeles Liebre Mountains. Warm Springs Mountain: ca 450 m NW of summit 1164 Comment
  UC205826  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of U.S.F.S. San Antonio Mountains 2133 Comment
  RSA610190  Minuartia douglasii L. C. Wheeler 1933-7-4 1908 Los Angeles San Dimas Canyon 640 Comment
  SBBG31463  Mirabilis californica R. F. Thorne 1966-4-4 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  SBBG98511  Mirabilis californica T. Ross 1991-5-21 5404 Los Angeles E fork of Box Cyn near its jct with the W fork 451 Comment
  UCR228428  Mirabilis laevis Dave Silverman, Colleen Martin, Jeff Jarvis 2010-5-21 8048 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1116 Comment
  RSA138503  Mirabilis laevis var. crassifolia Reid V. Moran 1959-3-9 7170 Los Angeles San Clemente Island. Canyon 2 miles SE of Eel Point. 120 Comment
  SD52841  Mirabilis laevis var. crassifolia Peter H. Raven 1962-4-11 17307 Los Angeles San Clemente Island; on sandy flats just south of Eel Point. 6 Comment
  SD90495  Mirabilis laevis var. crassifolia Robert F. Thorne 1973-4-11 42871 Los Angeles San Clemente Island; middle portion of Norton Canyon. 274 Comment
  RSA715784  Mirabilis multiflora Scott D. White, Pam DeVries 2006-5-10 11422 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CAS-BOT-BC434876  Mirabilis multiflora var. pubescens G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley Comment
  RSA629680  Monardella australis subsp. cinerea Scott D. White, Dave Bramlet 1998-8-11 7037 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA0039127  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA659905  Monardella cinerea Orlando Mistretta 1991-7-19 s.n. Los Angeles Prairie Fork. 2134 Comment
  HSC24429  Monardella exilis James Henrickson 1971-5-2 5539 Los Angeles 15 mi. E of Palmdale, S slope of Lovejoy Buttes in Mojave Desert 854 Comment
  RSA639145  Monardella lanceolata Louis C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat, Graveyard Canyon. 823 Comment
  RSA729099  Monardella linoides R. G. Swinney 1999-7-5 7503 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  SEINET11263742  Monardella linoides Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains, Vincent Gap.; 0 2012 Comment
  CAS-BOT-BC215611  Monardella linoides subsp. erecta John Thomas Howell 1947-7-18 23409 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  SD230246  Monardella linoides subsp. linoides Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains: Vincent Gap. 1829 Comment
  RSA249761  Monoptilon bellidiforme R. F. Thorne, Gary D. Wallace 1973-4-25 43393 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  UCR194258  Muhlenbergia californica R. G. Swinney 1998-8-5 6648 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  CAS-BOT-BC275286  Muhlenbergia microsperma John H. Thomas 1957-4-27 6697 Los Angeles Santa Monica Mountains. W side of mouth of Latigo Canyon, about 3 miles NW of Point Dume. 15 miles due W of Santa Monica 152 Comment
  SBBG113062  Muhlenbergia microsperma S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 600 Los Angeles Whitley's Pk, overlooking upper part of Swain's (Swain) Cyn 374 Comment
  POM294690  Muilla maritima Lyman Benson 1945-5-11 11708 Los Angeles Canyon below Johnson's Pasture, Claremont. San Gabriel Mountains, Pacific Slope drainage. 549 Comment
  RSA590703  Muilla maritima Timothy S. Ross, Steve Boyd 1990-5-23 2636 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 Comment
  SBBG52892  Munzothamnus blairii F. C. Boutin 1967-4-23 1688 Los Angeles cyn wall in next major drainage way and cyn SE of Lemon Tank Comment
  UC1215172  Munzothamnus blairii Peter H. Raven 1962-5-10 17717 Los Angeles just n Thirst; San Clemente Island 198 Comment
  UC1234688  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles Large canyon below Tomb, San Clemente Island 243 Comment
  SEINET4690417 Image available Myrrhinium atropurpureum Barry A. Prigge 2014-5-15 s.n. Los Angeles University of Califlornia, Los Angeles, M. E. Mathias Botanical Garden. Location 24.1.92.180. Comment
  UC1929619  Nama demissa Scott D. White 2003-6-8 9505 Los Angeles W MOJAVE DESERT: Near Lake Los Angeles. North of Avenue O and east of 150th St. E. Comment
  UCR99509  Narcissus papyraceus Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9127 Los Angeles Liebre Mtns., Along Old Ridge Route north of Templin Hwy and west of the confluence of Castaic Creek and Fish Creek 957 Comment
  RSA661170  Nassella cernua LeRoy Gross 2001-5-27 424 Los Angeles Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek Comment
  RSA484109  Nassella lepida F. R. Fosberg 1931-4-14 694 Los Angeles Eagles Nest. Middle Ranch Canyon. Santa Catalina Island. 180 Comment
  RSA678210  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-4-18 1136 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 701 Comment
  SBBG112777  Nassella lepida S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 522 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  UC1109350  Nassella lepida Peter H. Raven 1962-4-9 17171 Los Angeles sides of narrow ravine above Wilson Cove; San Clemente Island 60 Comment
  UCD87962  Nassella lepida Robert F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island, at Cherry Valley. Comment
  SEINET5765464 Image available Nasturtium gambelii Unknown 1904-1 146 Los Angeles Los Angeles Comment
  POM276183  Navarretia atractyloides J. D. Laudermilk 1948-6-7 s.n. Los Angeles Baseline Road Claremont Comment
  UC1008716  Navarretia hamata Kay H. Beach 1943-7-24 1878 Los Angeles Tanbark Flat, near Lysimeters San Dimas Experimental Forest Comment
  RSA469840  Navarretia hamata subsp. hamata B. C. Templeton 1935-6-23 4791 Los Angeles Azusa. Comment
  RSA469829  Navarretia hamata subsp. leptantha House 1930-8-5 14090 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC233562  Navarretia prostrata Frank W. Gould 1944-6-17 2353 Los Angeles Western Avenue at 131st Street, Los Angeles Comment
  UC890876  Nemacladus glanduliferus Marcus E. Jones, A. M. Aug 1884 Los Angeles Los Angeles Comment
  RSA439257  Nemacladus ramosissimus Anstruther Davidson 1914-6-1 2971 Los Angeles Bonita Camp, San Gabriel Canyon Comment
  RSA674853  Nemacladus ramosissimus Scott D. White, Kent Hughes 2000-5-17 7872 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  RSA717060  Nemophila menziesii Andrea Edwards, Pam DeVries 2006-4-11 65 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC24211  Nemophila menziesii State Survey 216 Los Angeles Sta. Susanna Mts. Comment
  RSA29712  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-5-28 776 Los Angeles San Gabriel Mtns.: Cascade Canyon off San Antonio Canyon. 1113 Comment
  RSA729936  Nemophila menziesii var. integrifolia R. G. Swinney, D. W. Larson 1999-6-25 7414 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  UC284099  Nemophila menziesii var. integrifolia H. M. Hall Apr 1903 Los Angeles near Pasadena; near Pasadena Comment
  RSA421375  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-4-16 635 Los Angeles W fork Santa Anita Canyon. 762 Comment
  UCR266152  Nephrolepis cordifolia R. E. Riefner Jr. 2014-7-27 14- 261 Los Angeles South Coast, city of Long Beach, north of East 2nd Street and west of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Avenue between Monroe Avenue and East Vista Street 6 Comment
  RSA584117  Nerium oleander T. S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2990 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  UCR125620  Nerium oleander A. C. Sanders 2003-5-22 26811 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
  HSC35981  Nicotiana attenuata Thomas W. Nelson, Jane Nelson, James Nelson 1975-8-19 2179 Los Angeles Beside Hwy. 5 just W of junction with Hwy. 138 Comment
  RSA80769  Nicotiana bigelovii var. wallacei F. W. Peirson 1090 Los Angeles L. A River, San Fernando Valley. Comment
  RSA598904  Nicotiana glauca R. G. Swinney 1989-11-24 1472 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 442 Comment
  LA30501  Nicotiana glauca Jane Turner; T. Mosquin 1958-11-16 C 42 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Rd, 2.7 mi W of Fire Station. Comment
  RSA579480  Nicotiana quadrivalvis Tim S. Ross, Steve D. Boyd 1994-5-10 7730 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  SEINET10696856  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3949 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10884683  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3976 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET2540592 Image available Nitrophila occidentalis David Charlton 1989-1 3182 Los Angeles Western Mojave Desert; southwest of Piute Ponds, Edwards Air Force Base 700 Comment
  RSA610519  Notholaena californica subsp. californica L. C. Wheeler 1933-2-18 1462 Los Angeles Rogers Canyon, San Gabriel Mts. 365 Comment
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA145515  Oenothera avita subsp. avita William M. Klein, R. K. Benjamin 1960-4-21 1415 Los Angeles Along the Goffs-Ivanpah road 12 miles north-west of Goffs. Comment
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Feb 6 2009
  CAS-BOT-BC167065  Oenothera californica Robert F. Thorne; C. W. Tilforth 1973-4-20 43089 Los Angeles San Gabriel Mts., Mojave Desert slope: c. 2 mi NW of Mormon Rocks and 5 mi SE of jct of roads to Palmdale and Wrightwood Comment
  UC129099  Oenothera deltoides subsp. cognata H. M. Hall and H. P. Chandler 1906-6-11 7386 Los Angeles near Lancaster Comment
  JEPS43972  Oenothera elata subsp. hirsutissima Frank W. Peirson 1918-8-18 127 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  POM355618  Oenothera elata subsp. hirsutissima Ada Moxley 1915-7-24 438 Los Angeles Arroyo Seco Canyon above Oak Wilde Camp. Comment
  UC1234721  Oenothera elata subsp. hirsutissima David P. Gregory 1961-8-10 479 Los Angeles in apple orchard near several springs in canyon bottom (sw of Mt. San Antonio); San Gabriel Mountains, Coldwater Canyon Comment
  RSA607676  Oenothera rosea Louis C. Wheeler 1951-5-14 6801 Los Angeles Pasadena: Devils Gate Dam. Arroyo Seco. Comment
  RSA605123  Oligomeris linifolia Steven A. Junak 1978-4-15 SCa- 12 Los Angeles Santa Catalina Island. Lion s Head Point, north side of Cherry Cove. Comment
  RSA0127623  Opuntia basilaris var. brachyclada Richard G. Swinney 2014-4-24 16223 Los Angeles San Gabriel Mountains/Mojave Desert: SE of Valyermo, Shoemaker Cyn., S-facing slope on side of Big Pines Hwy at 2nd horseshoe curve, 0.7 miles ENE of Big Rock Creek Rd. 1244 Comment
  RSA439554  Opuntia oricola E. A. Purer, Freda Detmers 1931-8-20 s.n. Los Angeles Palos Verdes Hills. Comment
  SEINET2449265  Opuntia parryi Unknown 1968-1 Los Angeles Comment
  RSA0010381  Opuntia semispinosa D. Griffiths 1911-9-22 10353 Los Angeles San Pedro Comment
  RSA741146  Oreonana vestita Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2302 Los Angeles North slope of Mount Islip from Little Jimmy Campground to the summit. 2287 Comment
  RSA771604  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  CAS-BOT-BC502618  Orobanche bulbosa Steve Boyd; Lauren Raz 1997-3-25 9320 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  RSA0059171  Orobanche bulbosa Orlando Mistretta, Steve D. Boyd, Darin L. Banks 1994-4-29 1094 Los Angeles San Gabriel Mountains. Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N. of Forest Road 4N20. 152 Comment
  RSA0055999  Orobanche fasciculata Richard G. Swinney 2010-5-25 12984 Los Angeles San Gabriel Mountains: just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCR238100  Orobanche fasciculata Mark A. Elvin, Cathleen Weigand 2003-5-22 2902 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA724924  Orobanche fasciculata K. Dobry 1991-5-13 603 Los Angeles West San Gabriel Mts. along Whitney Comment
  SD111599  Orobanche valida W. P. Armstrong 1982-6-26 Los Angeles Trail up South Fork of Big Rock Creek; 2.0 km southwest of South Fork Campground. 1700 Comment
  RSA592405  Orthocarpus purpurascens Mark Hoefs 1974-5-2 455 Los Angeles Santa Catalina Island: above Parson's Landing 61 Comment
  RSA286660  Osmorhiza berteroi R. F. Thorne, Larry E. DeBuhr 1974-6-28 44758 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  RSA310137  Osmorhiza berteroi Wayne E. Sawyer 1981-6-25 65 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  UC17199  Oxalis albicans subsp. californica W. H. Brewer 1861-2-12 179 Los Angeles Cahuenga Pass Comment
  RSA652123  Oxalis corniculata R. M. Hillbun 1953-1-24 s.n. Los Angeles Cal Poly Campus, West Point. North of hut #104. San Dimas. Comment
  UCSB33684  Oxalis corniculata Filice, Diane 1965-3-2 Los Angeles Devonshire Lane, Altadena, San Gabriel Foothills 396 Comment
  SEINET6645805  Oxalis hirta N. Bacon 1967-3-27 s.n. Los Angeles Los Angeles, Glenwood Pl., south gate Comment
  CAS-BOT-BC318205  Packera breweri T. Ross; S. Boyd 1993-5-23 7260 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft), ca 700 m ssw of Plum Spring (in upper 908 Comment
  RSA473133  Packera breweri Anstruther Davidson 1895-5-3 s.n. Los Angeles Gorman Station Comment
  RSA339630  Paeonia californica Robert F. Thorne, M. Z. Thorne 1980-3-23 54010 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA670716  Paeonia californica Bonnie C. Templeton 1969-5-5 11376 Los Angeles Near road to Malibu Lake, so. of Ventura Blvd. Alt: 900 ft. 274 Comment
  CDA2137  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island. Lemon Tank Road, ca. 25 m east-southeast of its intersection with the main north-south island road. Comment
  UCR162371  Parthenocissus vitacea Anuja Parikh, Nathan Gale 2004-6-15 2042 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  UCR180566  Parthenocissus vitacea Scott D. White, Andrea Warniment 2006-7-18 11635 Los Angeles SE Tehachapi Mtns, Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway 1098 Comment
  SEINET5266218  Paspalum dilatatum Unknown 2002-8-10 71 Los Angeles Sepulveda Blvd. 0.5 km S of Hwy 118. Comment
  SEINET11957947  Passiflora caerulea J. F. Bright, Wyman, C. 1931-1 5292 Los Angeles Los Angeles Comment
  RSA682514  Pectocarya anisocarpa Scott D. White, Michael Honer 2003-5-7 9187 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA0102680  Pectocarya linearis Scott D. White, Sandra L. Leatherman 1998-5-19 6539 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned Community. 427 Comment
  RSA760565  Pectocarya linearis R. G. Swinney 2009-2-20 10017 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA716219  Pectocarya linearis Andrea Edwards, Pam De Vries 2006-4-11 79 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA756281  Pectocarya linearis subsp. ferocula Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3298 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  UCR189660  Pectocarya penicillata R. G. Swinney 1998-5-16 6070 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR264437  Pectocarya penicillata John F. Green 2008-3-26 308- 02 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCR281637  Pectocarya penicillata R. G. Swinney 2014-5-8 16458 B Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  SEINET7047895  Pectocarya penicillata Steven R. Hill, Kate Kramer 2001-4-22 33343 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
  UCR155597  Pectocarya recurvata A. C. Sanders, Helen Kennedy 2005-4-13 29450 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0048357  Pedicularis densiflora Elwood Fordham 1951-3-18 s.n. Los Angeles Topanga Canyon - Robinson Road. 335 Comment
  RSA80832  Pedicularis densiflora F. W. Peirson 1921-4-21 2363 Los Angeles Sycamore Flat Ridge, San Gabriel Mtns. 854 Comment
  CAS-BOT-BC71339  Pellaea mucronata Alice Eastwood 1913-5-11 3140 Los Angeles San Fernando Wash Comment
  RSA686704  Pellaea mucronata subsp. californica T. R. Pray 1955-10-8 1036 Los Angeles Little Rock Canyon; Santiago Branch, on N side of San Bernardino Mts. Comment
  UCR48937  Pennisetum clandestinum A. C. Sanders 1987-7-22 7157 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR152450  Pennisetum purpureum A. C. Sanders, Lee Jones 2005-4-8 29340 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CHSC99687  Pennisetum setaceum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. Growing next to a concrete gutter. 365 Comment
  UCR280773  Pennisetum setaceum R. G. Swinney 2014-5-27 16647 A 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
  RSA698748  Penstemon centranthifolius LeRoy Gross, Paul Morton 2004-6-9 1334 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  RSA771607  Penstemon centranthifolius R. G. Swinney 2009-5-28 10962 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SBBG66576  Penstemon grinnellii E. Crow 1930-6-29 Los Angeles near Pine Flats Comment
  POM4267  Penstemon heterophyllus var. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  SBBG126987  Penstemon heterophyllus var. australis A. Parikh, N. Gale 2011-7-12 3553 Los Angeles West Fork San Gabriel River, 2.4 km W of St Hwy 39; San Gabriel Mtns 520 Comment
  POM156330  Penstemon labrosus L. R. Abrams 1902-6-30 2606 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  RSA0091332  Penstemon rostriflorus R. G. Swinney 2011-8-17 15630 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA332051  Penstemon rostriflorus Wayne E. Sawyer 1981-6-29 74 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  JEPS11385  Penstemon speciosus Frank W. Peirson 1922-7-5 3193 Los Angeles Big Pines San Gabriel Mountains, Big Pines 2072 Comment
  UC1551977  Penstemon spectabilis Lyman Benson 1945-5-11 11713 Los Angeles on the Glendora Ridge Road 2 1/2 mi sw Camp Baldy (Cold Springs, San Gabriel Mountains, n slope); San Gabriel Mountains, Cold Springs 1371 Comment
  RSA401899  Penstemon spectabilis H. L. Bauer 1932-4-1 15339 Los Angeles Santa Monica Mountains. 610 Comment
  RSA401906  Penstemon spectabilis Glenn A. Gorelick 1966-4-5 s.n. Los Angeles Growing on moutain trail in sun, overlooking Ferndell, Griffith Park. Comment
  NY661218  Penstemon spectabilis var. subviscosus L. Abrams 1902-7-3 2618 Los Angeles Sierra Madre Comment
  RSA678199  Penstemon spectabilis var. subviscosus Valerie L. Soza, LeRoy Gross 2001-4-24 1175 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.5 mile WNW of the Santa Anita Dam 823 Comment
  RSA687366  Pentagramma triangularis subsp. triangularis F. R. Fosberg 1931-3-20 R 76 Los Angeles Santa Catalina Island, Hamilton Canyon. 35 Comment
  RSA762294  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Christine Mistretta 2008-5-6 2659 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  UCR99485  Perideridia pringlei Steve Boyd, Lauren Raz 1997-5-29 9908 Los Angeles San Gabriel Mtns., Portal Ridge, north of the San Andreas rift zone, in Cow Spring drainage along Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UCR50862  Persea americana A. C. Sanders 1988-5-18 7829 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR237901  Phacelia Mark A. Elvin 2003-4-22 2528 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  SD248440  Phacelia affinis R. G. Swinney 2010-5-11 12649 Los Angeles San Gabriel Mountains: Acton, 0.7 road miles east of Soledad Canyon Road & Crown Valley Road, 0.3 mile east of Crown Valley Road on dirt toad, below US Forest Service boundary (Acton 7.5'Q) 829 Comment
  UCR264069  Phacelia bicolor John F. Green 2008-3-26 308- 09 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCR219942  Phacelia brachyloba R. G. Swinney, Jane Strong 2009-4-21 10407 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR258940  Phacelia campanularia R. G. Swinney 2010-5-11 12690 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  SD6820  Phacelia cicutaria var. hispida J. C. Nevin Los Angeles Los Angeles Comment
  UC24363  Phacelia cicutaria var. hispida Harley P. Chandler 1897-5-24 Los Angeles Palmer's Canyon Claremont 609 Comment
  UCR271983  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14897 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
  UCR281387  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-27 16663 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
  SFV21420  Phacelia cicutaria var. hispida L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1031 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along road across from Brand Canyon Debris Basin at mouth of Brand Canyon. 262 Comment
  UCR194144  Phacelia cryptantha A. C. Sanders 2008-4-25 35099 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1018 Comment
  UCR210141  Phacelia curvipes R. G. Swinney 2008-8-13 9381 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  UCR258712  Phacelia distans R. G. Swinney 2010-5-19 12822 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  SDSU6610  Phacelia distans R. M. Beauchamp 1967-1-23 133 Los Angeles San Clemente Island. Comment
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May 16 2008
  RSA428256  Phacelia egena Robert Gustafson 1978-6-1 940 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
  POM8647  Phacelia grandiflora P. A. Munz 1920-5-2 3832 Los Angeles San Dimas Canyon. 457 Comment
  SBBG16965  Phacelia imbricata K. A. Wilson 1962-5-12 1277 Los Angeles Devil's Punch Bowl Trail Comment
  UC450769  Phacelia imbricata subsp. imbricata F. A. MacF. 1931-4-10 2932 Los Angeles Tuna Canyon Verdugo Hills Comment
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Jul 1 2014
  RSA0098611  Phacelia imbricata subsp. patula R. G. Swinney 2011-6-14 15118 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA607686  Phacelia longipes Scott D. White 1997-6-29 5398 Los Angeles Mt. Baldy Village Area: San Antonio Canyon below San Antonio Falls, and along trail/road access rt. 1921 Comment
  UC672841  Phacelia longipes Harlan Lewis and David Dunn 1942-6-2 1713 Los Angeles Ridge Route 2.4 mi n Frenchman Flats Comment
  UC881189  Phacelia lyonii L. W. Nuttall 263 Los Angeles Santa Catalina Island Comment
  RSA0076148  Phacelia lyonii F. R. Fosberg 1931-5-4 S- 4749 Los Angeles Second bridge below Eagles Nest, Middle Ranch Canyon. Santa Catalina Island. 160 Comment
  RSA597031  Phacelia minor Tim S. Ross 1990-6-25 3845 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA617461  Phacelia minor Scott D. White 1998-6-23 6756 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 548 Comment
  RSA653283  Phacelia minor Kelly Middleton, David Middleton 1988-5-8 20 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Rd. intersection 1220 Comment
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Jun 5 2010
  SEINET13203217 Image available Phacelia minor R. G. Swinney 2011-1 14620 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 (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  UCR186758  Phacelia minor T. B. Salvato, Sandra Murcia 2007-3-28 2013 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  UCR270530  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271822  Phacelia minor R. G. Swinney 2010-4-28 12402 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
  LA81949  Phacelia ramosissima var. austrolitoralis O. H. Kappler; 1943-4-18 369 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  RSA428168  Phacelia ramosissima var. austrolitoralis F. R. Fosberg 1931-8-30 5613 Los Angeles El Segundo. 10 Comment
  RSA660460  Phacelia tanacetifolia Mary C. Hunter 1994-5-23 9 Los Angeles South Pasadena (Mission and Fair oaks Backyard). Comment
  CAS-BOT-BC258827  Phalaris angusta Geo. B. Grant 1900-3-30 s.n. Los Angeles Avalon Comment
  CDA2279  Phalaris aquatica L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns; Foster Ranch, Sycamore Canyon, south slope Johnstone Peak. Comment
  RSA91909  Phalaris minor F. W. Peirson 1918-4-28 1575 Los Angeles Road east and south of El Monte. Comment
  UC1922586  Pholistoma auritum var. auritum Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1184 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 473 Comment
  UC1971603  Pholistoma membranaceum Louis C. Wheeler 1968-4-17 s.n. Los Angeles SAN GABRIEL MTNS.: Big Rock Creek, 3/4 mile north of Big Rock Springs. Comment
  UCR228117  Pholistoma racemosum R. F. Thorne 1966-4-15 36005 Los Angeles Channel Islands, San Clemente Island, 2/3 miles south southeast of Eel Point (and north of Seal Cove), southwest side of island 46 Comment
  UCR87438  Phoradendron densum R. G. Swinney 1994-6-12 2942 Los Angeles North Slope of Eastern San Gabriel Mtns, Pinon Hills, near entrance to Jubilee Scout Ranch, 2 mi south of Hwy 138 and just west of the San Bernardino Co. line, c. 200 m west of Boneyard Canyon 1341 Comment
  RSA132806  Phoradendron juniperinum Del Wiens 1953-12-10 884 Los Angeles San Gabriel Mountains, Crystal Lake Area. 1677 Comment
  RSA596313  Phoradendron libocedri Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3370 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  RSA309526  Phoradendron pauciflorum James R. Shevock 1976-4-24 5016 Los Angeles Along Big Pines Highway in the vicinity of Apple Tree Campground, San Gabriel Mountains, Angeles National Forest. 1524 Comment
  CAS-BOT-BC141150  Phoradendron serotinum subsp. macrophyllum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  RSA603194  Phoradendron villosum Louis C. Wheeler 1972-12-20 12787 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  CAS-BOT-BC58274  Phyllodoce breweri Geo. B. Grant 1902-8-1 10593 Los Angeles Pasadena. 3048 Comment
  RSA683946  Phyllospadix scouleri David Young, R. Setzer, H. Klinger, F. Mintun, Robert Setzer, D. Weiss, L. Harris, S. Plant 1977-5-7 9655 Los Angeles Latigo Shore Road, about 3/4 mile west of west end of Corral Beach. Rocky intertidal point. Comment
  RSA682942  Phyllospadix torreyi R. Given 1970-9-4 4721 Los Angeles Santa Catalina Island. South side of Big Fisherman s Cove. Comment
  RSA683964  Phyllospadix torreyi E. Yale Dawson 1948-11-19 5578 Los Angeles Palos Verdes Headland. Comment
  SFV21770  Physalis philadelphica J. N. Hogue 2010-7-10 370 .04 Los Angeles Los Angeles, Eagle Rock. 1316 Saginaw Street. 207 Comment
  RSA412028  Pickeringia montana L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  UC1234587  Pickeringia montana var. montana Peter H. Raven 1962-5-1 17508 Los Angeles Saddle Peak Rd 2.4 mi above junction with Tuna Canyon Road; Santa Monica Mountains 731 Comment
  UCR142641  Pinus A. C. Sanders 1987-12-4 7449 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  SEINET3871787  Pinus attenuata K. Dobry 1976-4-25 88 Los Angeles Charleston Flats Ranger Station, San Gabrial Mountains Angeles National Forest.; 0 1646 Comment
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May 12 2015
  RSA522981  Pinus halepensis T. S. Ross, Orlando Mistretta 1990-10-24 3287 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Ca 1/4 air-mile SSW of Camp Oak Grove along Upper Monroe Road. 524 Comment
  RSA682606  Pinus halepensis Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  CAS-BOT-BC73160  Pinus jeffreyi Geo. B. Grant 1897-12-29 s.n. Los Angeles Summit of Mt. Wilson. Comment
  RSA226056  Pinus monophylla Robert F. Thorne, C. W. Tilforth 1971-6-29 40663 Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest & Mt. Emma Roads 1128 Comment
  SEINET10932754  Pinus muricata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4822 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CATA3271  Pinus radiata Ben Dion, Julia Parish 2017-1-26 003 Los Angeles Santa Catalina Island: Middle Canyon, halfway between Pumphouse 2 and first junction with Skull Ridge Road 0 Comment
  RSA190931  Piperia cooperi Robert F. Thorne 1967-5-19 36884 Los Angeles Santa Catalina Island: Echo Lake branch of upper Swains Canyon 381 Comment
  RSA247409  Piptatherum miliaceum Jack Delaini 1974-4-25 124 Los Angeles Lodi Canyon, San Dimas Experimental Forest 488 Comment
  RSA588611  Piptatherum miliaceum Orlando Mistretta 1994-5-23 1241 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  UC122380  Piptatherum miliaceum A. J. McClatchie Aug. 1896 Los Angeles Los Angeles Comment
  RSA0034285  Piptatherum miliaceum Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3060 Los Angeles Santa Catalina Island: Lower Bulrush Canyon. 262 Comment
  UCR205950  Pistacia atlantica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37078 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA595651  Plagiobothrys arizonicus T. S. Ross, Victor W. Steinmann 1995-5-8 8573 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA611838  Plagiobothrys arizonicus Steve Boyd, Valerie Soza 1998-4-28 10174 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  UCR43735  Plagiobothrys arizonicus B. A. Prigge 1986-3-20 6961 Los Angeles Tehachapi Mtns, 0.4 mi. east of Gorman on Lancaster Road 1128 Comment
  RSA159344  Plagiobothrys canescens P. H. Raven 1962-4-10 17202 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  UCR271062  Plagiobothrys collinus var. fulvescens R. G. Swinney 2011-6-6 14999 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA610738  Plagiobothrys nothofulvus L. C. Wheeler 1934-3-24 2477 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  POM47628  Plantago bigelovii subsp. californica L. R. Abrams 1901-04 1450 Los Angeles Inglewood Comment
  SD28057  Plantago coronopus Carl Wolf 1932-5-11 Los Angeles Santa Catalina Island. West side of Isthmus Harbor 14 Comment
  UC185438  Plantago coronopus Katharine Brandegee 1916-5-18 Los Angeles Santa Catalina Island Comment
  POM47627  Plantago erecta L. R. Abrams 1899-03 344 Los Angeles Ballona Harbor Comment
  UCR142491  Plantago erecta F. R. Fosberg 1931-4-16 S- 4659 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 200 Comment
  RSA401952B  Plantago lanceolata Edith Allen 1939-7-26 s.n. Los Angeles Playa Del Rey Comment
  RSA748740  Platanthera leucostachys Richard G. Swinney, Cody Clarke 2001-8-22 8077 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA0017040  Platanus racemosa Ora M. Clark 1928-11-12 1286 Los Angeles Bouquet Canyon; Santa Susana Mts. Comment
  CATA546  Pluchea odorata Mark L. Hoefs, Robert F. Thorne 1975-8-7 810 Los Angeles Santa Catalina Island: By reservoir at Middle Ranch 213 Comment
  CAS-BOT-BC244433  Poa annua I. Johnston 1916-12-29 s.n. Los Angeles Claremont Comment
  SBBG131544  Poa annua S. A. Junak 1999-7-16 SCa 1044 Los Angeles near pier at Two Harbors 4 Comment
  UCD90372  Poa annua Gordon Pilone 1960-11-23 67 Los Angeles First orange grove north of Foothill Blvd. on Indian Hill Blvd. in Claremont. San Gabriel Mountain Range. 390 Comment
  SBBG130998  Poa annua S. A. Junak 1999-5-6 SCa 882 Los Angeles 0.1 mi W of Emerald Bay Rd, at gate 15 Comment
  CAS-BOT-BC237688  Poa secunda Geo. B. Grant 1905-4-4 1016 -6463 Los Angeles Pasadena Comment
  RSA0091140  Poa secunda R. G. Swinney 2011-5-24 14804 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA678389  Poa secunda Valerie L. Soza, LeRoy Gross 2002-4-3 1372 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  JEPS86572 Image available Poa secunda subsp. secunda Roy E. Buck 1988-4-10 891 Los Angeles n Castaic (e side of Three Points Rd, 0.3 rd mi n of Three Ponts, ca 0.6 air km ne of confluence of Oakdale and Pratt Canyons drainage) 1036 Comment
  UC167322  Poa secunda subsp. secunda unknown 1905-4-4 1016 -6463 Los Angeles Pasadena Comment
  RSA0080392  Polycarpon tetraphyllum R. G. Swinney 2010-3-24 12102 Los Angeles Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge. 503 Comment
  RSA735919  Polygala cornuta var. fishiae Justin M. Wood 2008-5-31 13 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  POM466333  Polygonum punctatum Anstruther Davidson 1890-09 s.n. Los Angeles Cienega, Los Angeles. Comment
  CATA930  Polypodium californicum Mark L. Hoefs, Robert Given 1992-4-16 1789 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  RSA639697  Polypodium californicum Scott D. White 1999-3-30 7210 Los Angeles Puente Hills: City of Rowland Heights, south of Pathfinder Rd. and west of 57 Freeway; near Bill Blevins Park. 213 Comment
  RSA651067  Polypodium californicum Paul M. Inman 1983-5-8 50883 -15 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, 150' below the weir at Hoegee's Camp. Comment
  SDSU3561  Polypodium californicum Garld Collie 1951-5-5 10 Los Angeles Santa Anita Canyon, San Gabriel Mtns. Comment
  UCSB62418  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill, San Dimas Comment
  UCSB62406  Polypodium californicum Kendall, M 1921-2-13 Los Angeles Puddingstone Canyon Comment
  UCSB62425  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62442  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA782110  Polypogon monspeliensis A. C. Sanders, Dan S. Cooper 2010-4-30 38157 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR252758  Polypogon monspeliensis R. G. Swinney 2010-9-1 13650 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA590618  Polypogon viridis Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3008 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA783653  Polystichum J. D. Olmsted 1959-11-8 1084 Los Angeles E. fk. San Gabriel River. Fish Fork between 6th and 7th falls. 1280 Comment
  RSA693289  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  SD112018  Populus trichocarpa Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island; Cottonwood Creek Comment
  POM337420  Portulaca oleracea F. R. Fosberg 1928-4-15 5470 Los Angeles Claremont. 366 Comment
  POM366486  Potentilla anserina var. grandis F. R. Fosberg 1930-6-26 S- 3040 Los Angeles Lower Ballona Creek. 10 Comment
  UCR149907  Potentilla glandulosa R. G. Swinney 1999-6-18 7339 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  CAS-BOT-BC154939  Prunus ilicifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3392 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  UCSB2895  Prunus ilicifolia subsp. ilicifolia Ballard 1954-4-29 Los Angeles Pomona College Campus, Claremont Comment
  CAS-BOT-BC154557  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island: near mouth of Cherry Canyon 60 Comment
  SBBG105389  Prunus ilicifolia subsp. lyonii R. M. Beauchamp 1976-5-22 4122 Los Angeles below Lemon Tank 313 Comment
  UC1188238  Prunus ilicifolia subsp. lyonii P. C. Everett 1960-9-27 24294 Los Angeles Cherry Valley Santa Catalina Island 60 Comment
  CAS-BOT-BC159728  Prunus occidentalis W. S. Lyon 1884-7-1 s.n. Los Angeles Ravines: St. Catalina Island Comment
  JEPS20529  Pseudognaphalium beneolens Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  RSA529292  Pseudognaphalium biolettii Timothy S. Ross 1991-4-8 4461 Los Angeles Elephant Hill; western Pomona. 229 Comment
  SBBG17782  Pseudognaphalium biolettii P. H. Raven 1962-4-8 17153 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR259912  Pseudognaphalium biolettii R. G. Swinney 2010-3-16 11943 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR272970  Pseudognaphalium biolettii R. G. Swinney 2011-4-26 14517 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
  OBI55615  Pseudognaphalium biolettii F. C. Boutin 1967-4-23 1699 Los Angeles San Clemente Island: W side of island, along coast NW of Eel Point Comment
  HSC87156  Pseudognaphalium californicum Steve Boyd, T. S. Elias 1987-4-14 2035 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  SD138518  Pseudognaphalium californicum Steven A. Junak 1985-5-16 SCI 95 Los Angeles San Clemente Island, southwest protion of island, in north fork of Cave Canyon 442 Comment
  JEPS20082  Pseudognaphalium microcephalum Peter H. Raven 1957-9-21 11329 Los Angeles hill at nw end U.C.L.A. Campus Comment
  CAS-BOT-BC357623  Pseudognaphalium stramineum Geo. B. Grant 1900-3-29 s.n. Los Angeles Avalon Comment
  CAS-BOT-BC357627  Pseudognaphalium stramineum Geo. B. Grant 1904-3-31 s.n. Los Angeles Pasadena Comment
  UC896861  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 S 4338 Los Angeles talus on n wall of Hamilton Canyon Santa Catalina Island, Hamilton Canyon 15 Comment
  RSA650249  Pseudotsuga macrocarpa J. A. Harpel 1974-5-18 s.n. Los Angeles Near Big Rock Cr. C.G., on Rd. 8W04, Angeles Nat. For. 1372 Comment
  RSA660221  Pseudotsuga macrocarpa Fred Brooks 1988-5-7 39 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  RSA308095  Pseudotsuga macrocarpa Henry J. Ramsey, Henry J. Ramsey 1940-10-13 2902 Los Angeles Angeles Crest Highway. Mt. Range San Gabriel. 1067 Comment
  RSA0091170  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  POM82709  Pterostegia drymarioides P. A. Munz 1925-4-23 9450 Los Angeles San Gabriel Canyon. 488 Comment
  UCR204862  Pterostegia drymarioides R. G. Swinney 2006-6-18 8539 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR281374  Pterostegia drymarioides R. G. Swinney 2014-5-19 16576 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA251463  Pterostegia drymarioides Robert F. Thorne 1973-4-11 42826 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  RSA534004  Pterostegia drymarioides Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5123 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  SBBG120060  Pterostegia drymarioides A. C. Sanders, M. Elvin 2003-4-14 25976 Los Angeles Newhall Ranch, ca. 0.4 N of Hwy 126, W of Castaic Crk and N of its confluence with the Santa Clara River 305 Comment
  UCR270230  Purshia glandulosa R. G. Swinney 2011-4-1 14301 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
  RSA449655  Purshia tridentata var. glandulosa Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
  UCR101287  Pycnanthemum californicum L. C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mtns, South Fork of Alder Gulch 1677 Comment
  JEPS58813  Pyrola dentata Frank W. Peirson 1921-7-17 2512 Los Angeles San Gabriel Mountains, Prairie Fork of the San Gabriel River 2133 Comment
  CATA1785  Quercus X macdonaldii Benjamin E. Carter, John Clark 2012-8-9 6963 Los Angeles Santa Catalina Island: Bulrush Canyon, below Salta Verde turnoff 255 Comment
  SBBG77430  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebbly Beach Cyn 40 Comment
  UC1135925  Quercus X morehus Jerome S. Horton 1936-4-6 276 Los Angeles South Wolfskill Canyon Trail San Dimas Experimental Forest, Cucamonga Quad. 1584 Comment
  RSA662321  Quercus agrifolia var. agrifolia Amy Drooks 1981-4-16 6 Los Angeles Cal Poly Pomona Campus, Box Canyon above Env. Bldg. Comment
  LA200024  Quercus berberidifolia A. M. Johnson; 1927-11-11 2680 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM271873  Quercus berberidifolia Lyman Benson 1947-1-16 12277 Los Angeles 860 Hillcrest Ave, Ganesha Hills, Pomona 305 Comment
  UC1870276  Quercus berberidifolia LeRoy Gross 2000-11-4 317 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. Elev. 1200 Feet. 365 Comment
  UC472132  Quercus berberidifolia J. Ewan 1931-10-24 5259 a Los Angeles 1 mi above Malibu Lake (on Seminole Hot Springs Rd); Santa Monica Mts. Comment
  UCD45294  Quercus berberidifolia C. H. Mueller 1937-8-29 2522 Los Angeles Big Tujunga Canon, Los Angeles County, California. Comment
  UCSB68624  Quercus berberidifolia Gross, LeRoy 2000-11-12 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway 411 Comment
  POM266351  Quercus chrysolepis J. C. Roos 1942-5-23 1056 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  SBBG58046  Quercus chrysolepis R. Hoffmann 1931-8-22 Los Angeles Mt Wilson 1676 Comment
  UCSB68632  Quercus durata Gross, LeRoy 2000-10-28 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 792 Comment
  RSA3308  Quercus durata var. gabrielensis Carl B. Wolf 1931-10-20 s.n. Los Angeles 1/2 mile above Montrose, on road from Tujunga to La Canada 457 Comment
  SBBG127246  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles middle of Maple Cyn, 490 m E of Big Tujunga Rd & 477 m W of Angeles Forest Hwy; San Gabriel Mtns 786 Comment
  UCR95197  Quercus garryana var. breweri Steve Boyd, Lauren Raz 1996-10-8 9014 Los Angeles Liebre Mtns. region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  UCR214602  Quercus ilex A. C. Sanders, Dan S. Cooper 2010-4-30 38124 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR224024  Quercus ilex Steve Boyd, Rick Riefner 2007-4-27 11740 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA0017015  Quercus kelloggii F. W. Peirson 1919-6-14 1708 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1982 Comment
  UCD46909  Quercus lobata Bruce M. Pavlik 1976-12-24 s.n. Los Angeles Near intersection of Mulholland Highway and old Topanga Canyon Road- Calabasas High School, 1.7 miles southeast of Calabasas, Los Angeles County, California. 304 Comment
  SD112039  Quercus pacifica Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles East side of Black Jack Mountain Comment
  UCD14059  Quercus pacifica John M. Tucker 1992-4-1 s.n. Los Angeles California, Los Angeles Co.; Santa Catalina Island, bank above Cherry Valley Creek, roughly 1 1/2 mi. northwest of the isthmus, ca. 1/4 mi. above road, Comment
  RSA479372  Quercus tomentella Mark Hoefs 1974-9-25 562 Los Angeles West fork of Gallagher's Canyon, Santa Catalina Island. 160 Comment
  UC129013  Quercus tomentella H. M. Hall 1908-6-15 8274 Los Angeles near head of Gallagher's Canyon; Santa Catalina Island Comment
  LA205371  Quercus wislizeni Carl Epling; 1931-4-1 sn Los Angeles Tehachapi Mountains, Keene Station Comment
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  LA93205  Quercus wislizeni var. frutescens Kei Nakai; 1975-11-11 sn Los Angeles 426 Comment
  RSA0035996  Quercus wislizeni var. frutescens R. G. Swinney 2010-6-21 13260 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  UC1135918  Quercus wislizeni var. frutescens A. Lewis Feb 1934 256 Los Angeles Head of San Francisquito Canyon Angeles National Forest, Elizabeth Lake Quad. 1127 Comment
  SBBG59043  Quercus wislizeni var. wislizeni R. Hoffmann 1927-6-14 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  RSA472410  Rafinesquia californica M. B. Dunkle 1929-10-20 2149 Los Angeles Howland's, Santa Catalina island. Comment
  CDA8524  Rafinesquia californica T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Highland Drive & Flintridge, near La Canada. 0 Comment
  UCSB69281  Rafinesquia californica Gross, LeRoy; Hogshead, Bill; Soza, Valerie 2003-5-29 Los Angeles Transverse Ranges; Verdugo Mountains region; W end of mtns.; at jct. of Vendugo motorway and Wildwood Fire Road; (Burbank 7.5 Quad.; T2N R14W S26, SW1/4) UTM Zone; 3787689N 0378361E 564 Comment
  UC168887  Ranunculus californicus Geo. B. Grant Jun 1902 1109 Los Angeles Lincoln Park Comment
  RSA83929  Ranunculus californicus F. W. Peirson 1921-2-26 2675 Los Angeles Topango Canyon, Santa Monica Mts. 305 Comment
  RSA0110778  Raphanus sativus Steven A. Junak 2000-5-18 SCa- 1301 Los Angeles Santa Catalina Island. N side of N Shore Road, 0.6 mi E of turn-off for Howland's Landing. 39 Comment
  RSA431480  Raphanus sativus L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA651171  Raphanus sativus W. A. Reinke 1971-3-30 s.n. Los Angeles North side of Orlando Way, and east of 229 E. Orlando Way, Covina. Comment
  PASA423  Rhamnus californica Annetta Carter 1929-1-9 Los Angeles Base of Mts., Sierra Madre Comment
  UC1929919  Rhamnus californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 360 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Claremont. ~ 0.6mi W of Mt. Baldy Rd. in Evey Canyon. Comment
  UCR108388  Rhamnus californica L. C. Wheeler 1961-6-13 7880 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR223668  Rhamnus californica R. G. Swinney 2009-6-12 11123 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  POM293237  Rhamnus californica subsp. californica Lyman Benson 1946-1-26 11981 Los Angeles Big Dalton Canyon, Glendora. Drainage area: Pacific Slope 366 Comment
  RSA160399  Rhamnus californica subsp. californica J. D. Olmsted 1959-3-27 323 Los Angeles By stream gaging station below San Dimas ranger station. South slope, San Dimas Creek drainage area; alluvial soil. 488 Comment
  RSA0080781  Rhamnus crocea R. G. Swinney 2010-4-15 12247 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary. 415 Comment
  RSA640802  Rhamnus crocea Louis C. Wheeler 1931-3-30 s.n. Los Angeles Base of San Gabriel Mountains: Thompson Creek Wash. Comment
  UCR108198  Rhamnus crocea Erin Hewgley, J. Gural 1997-4-27 21 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW coner of Mills Ave. and Fotthill Boulevard. Directly west of main paved road, west of north-south fire road, north of small, dry, gully 412 Comment
  IRVC28582  Rhamnus ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25165 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  RSA724528  Rhamnus ilicifolia K. Dobry 1991-3-15 d- 432 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  UCSB33345  Rhamnus ilicifolia Black, Nan 1968-5-10 Los Angeles 100 yards west of 213th Street East, 0.1 mile from its junction with Highway 138, 5.1 miles west of San Bernardino County Line 1127 Comment
  CATA1007  Rhamnus pirifolia Mark L. Hoefs 1994-7-18 1889 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  POM2829  Rhamnus pirifolia S. B. Parish s.n. Los Angeles Santa Catalina Island Comment
  UCR184096  Rhamnus tomentella A. C. Sanders 2007-4-13 33408 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  RSA390146  Rhamnus tomentella subsp. cuspidata Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA532831  Rhamnus tomentella subsp. cuspidata Tim S. Ross 1991-8-14 5783 Los Angeles San Gabriel Mtns: Pacifico Mtn. Rd., .48 mile E of Roundtop Truck Rd. 1915 Comment
  RSA0060869  Rhus aromatica R. G. Swinney 2010-3-22 12088 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  CATA1464  Rhus integrifolia Mark L. Hoefs, Robert F. Thorne 1996-4-6 2649 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  LA33973  Rhus integrifolia Peter H. Raven; 1959-3-8 13833 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of Pacific Coast Hwy. 30 Comment
  RSA117140  Rhus integrifolia Huron H. Smith 1912-6-18 5116 Los Angeles Santa Catalina Island. Pebble [Pebbly] Beach Canyon. 15 Comment
  SBBG11609  Rhus integrifolia P. H. Raven 1962-5-8 17611 Los Angeles second cyn S of Seal Cove 30 Comment
  SBBG37732  Rhus integrifolia R. Moran 1941-2-18 582 Los Angeles Middle Ranch Cyn 350 Comment
  CAS-BOT-BC167938  Rhus ovata Ernest C. Twisselmann 1959-6-2 5334 Los Angeles Old Ridge Route, 4.6 miles south of Sandberg's Lodge 1127 Comment
  CAS-BOT-BC167945  Rhus ovata Ernest C. Twisselmann 1959-6-2 5334 Los Angeles Old Ridge Route, 4.6 miles south of Sandberg's Lodge 1127 Comment
  CHSC3727  Rhus ovata Sue Boergadine 1966-5-26 Los Angeles Switzer's camp 762 Comment
  SEINET12236057  Rhus ovata D. P. Reagan 1974-1 2 Los Angeles Cherry Canyon, approximately 5 mi N. of Castaic Comment
  RSA0021436  Rhus trilobata var. trilobata Freda Detmers 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  CAS-BOT-BC92290  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains. Arroyo Seco. 457 Comment
  UCR256256  Ribes aureum R. G. Swinney 2010-3-10 11841 Los Angeles San Gabriel Mountains, FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  CAS-BOT-BC516702  Ribes aureum var. gracillimum R. G. Swinney 2011-3-15 14097 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn, southern portion of park 232 Comment
  CAS-BOT-BC92433  Ribes aureum var. gracillimum Ellsworth Bethel 1920-2-10 s.n. Los Angeles Monrovia. Comment
  POM305814  Ribes aureum var. gracillimum Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1045 Los Angeles Monrovia Comment
  RSA602050  Ribes aureum var. gracillimum Scott D. White 1997-5-7 5068 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. 320 Comment
  CAS-BOT-BC93095  Ribes californicum var. hesperium R. Bacigalupi 1925-4-18 1182 Los Angeles Entrance of San Antonio Canon [Canyon]. San Gabriel Mountains. Comment
  RSA162817  Ribes californicum var. hesperium J. Olmstead 1960-2-24 1107 Los Angeles Wolfskill Canyon at end of road, San Gabriel Mts. San Dimas Creek. 549 Comment
  RSA0030920  Ribes californicum var. hesperium Bonnie C. Templeton 1930-2-4 1438 Los Angeles Mandeville Canyon. 250 Comment
  RSA733040  Ribes cereum var. cereum R. G. Swinney 1999-8-16 7660 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope. 2445 Comment
  CAS-BOT-BC173116  Ribes indecorum Peter H. Raven 1959-2-25 13812 Los Angeles 1.2 miles east of summit, Saddle Peak 670 Comment
  JEPS97126  Ribes indecorum M. Vincent 1962-2-28 120 Los Angeles 1/2 mi w of New Topanga Road Old Topanga Canyon Road (in meadow 1/4 mi south of Road) Comment
  RSA640253  Ribes indecorum Robert F. Thorne 1971-3-25 41505 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  LA200835  Ribes malvaceum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA712177  Ribes malvaceum Kerry Knudsen, Rolf Muertter, Teresa Proscewicz 2005-2-10 2371 Los Angeles Los Angeles, Griffith Park, north side of Mt. Hollywood 425 Comment
  UCR182256  Ribes malvaceum R. G. Swinney, Dave Larson 1998-4-26 6043 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  RSA0021648  Ribes malvaceum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4307 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  CAS-BOT-BC219176  Ribes nevadense Jacqueline R. Bonquet 1960-8-18 s.n. Los Angeles Buck Horn Camp, Angeles National Forest, Gabriel Mountains 2133 Comment
  CAS-BOT-BC219299  Ribes nevadense Geo. B. Grant 1902-6-1 1125 Los Angeles Mount Wilson 1828 Comment
  RSA0091137  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA188545  Ribes nevadense R. F. Thorne 1965-8-26 35410 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River 1585 Comment
  UCR204022  Ribes nevadense R. G. Swinney 2001-9-15 8146 Los Angeles San Gabriel Mountains, Windy Spring, c. 0.3 mi northwest of Little Jimmy Campground on Pacific Crest Trail 2256 Comment
  UCR270898  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA226920  Ribes roezlii Robert F. Thorne 1971-8-25 41246 Los Angeles San Gabriel Mts, Angeles National Forest: Saddle between Throop Peak and Mt. Burnham. 2622 Comment
  UC1127535  Ribes roezlii A. D. Gifford 1935-3-26 511 Los Angeles 2 3/4 mi w Sawmill Pk. (Atmore Mdw.); Angeles National Forest, Tejon Quadrangle Comment
  RSA476282  Ribes speciosum Louis C. Wheeler 1932-3-12 480 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  RSA580950  Ribes speciosum Catherine A. Mish 1995-2-17 5 Los Angeles Santa Monica Mtns, Hollywood Reservoir. 250 Comment
  SFV6229  Ribes speciosum R. M. Muran 1974-2-12 13 Los Angeles Santa Monica Mountains Mandeville Canyon, 2 miles south of Mulholland Drive. 427 Comment
  UC1127566  Ribes speciosum P. L. Johannsen 1934-1-18 235 Los Angeles 1/2 mi ne Mesa Peak; Calabasas Quadrangle Comment
  SEINET5339789  Ribes speciosum G. B. Grant 1127 Los Angeles Pasadena Comment
  CAS-BOT-BC173936  Ribes viburnifolium P. C. Everett 1939-9-19 9538 Los Angeles Santa Catalina Island. 3 1/2 mi. from Avalon on road to Isthmus near 2nd large reservoir 457 Comment
  SBBG106901  Ribes viburnifolium M. L. Hoefs, R. F. Thorne 1996-4-6 2644 Los Angeles Renton Mine Rd 243 Comment
  RSA127455  Ricinus communis H. J. Thompson, P. H. Raven 1959-9-6 14377 Los Angeles Near mouth of Malibu creek. 12 Comment
  RSA785492  Ricinus communis Doris Bowers 1967-10-4 114 Los Angeles Palos Verdes Pen. 305 Comment
  UC1922655  Ricinus communis Valerie Soza, L. Lubinsky 2001-5-16 1230 Los Angeles Transverse Ranges; Verdugo Mountains region; Northern San Rafael Hills, Edison Fire Road to Forest Hill Drive 427 Comment
  UCR34511  Rigiopappus leptocladus Karen Kirtland 1984-5-18 s.n. Los Angeles Transverse Range; Sierra Pelona, Mt. McDill and ridges to the east at head of Ritter and Hauser Canyons, desert side of San Gabriel Mtns. about 8 mi west of Palmdale 1524 Comment
  RSA746553  Rorippa curvisiliqua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36969 Los Angeles 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 83 Comment
  SEINET11986999  Rorippa islandica var. occidentalis R. F. Thorne, Tilforth, C. W. 1971-1 41547 Los Angeles San Gabriel Mts, Angeles National Forest, or near entrance thereto & below entrance to wooded area 381 Comment
  RSA229035  Rosa californica Robert F. Thorne, C. W. Tilforth 1971-6-29 40715 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA449697  Rosa californica M. B. Dunkle 1928-10-7 1991 Los Angeles Santa Catalina Island, Middle Ranch Gorge Comment
  RSA600132  Rosa californica Steve D. Boyd, Lauren Raz 1997-5-28 9832 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. 866 Comment
  RSA451661  Rosa woodsii subsp. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA0017013  Rosa woodsii subsp. gratissima F. W. Peirson 1918-6-17 470 Los Angeles Rock Creek, northern base of San Gabriel Mountains. 1677 Comment
  SEINET9300518  Rubus parviflorus Unknown 2008-7-2 9126 Los Angeles San Gabriel Mountains (Lat. 34 54' 53") Comment
  UCD114013  Rubus ursinus Rudolf Schmid 1962-6-7 s.n. Los Angeles Near Manor House, Cal Poly, Pomona. Comment
  RSA762412  Rumex acetosella Orlando Mistretta, Christine Mistretta 2008-5-9 3006 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 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
  RSA596814  Rumex crispus Tim S. Ross, J. Mark Porter 1995-5-4 8470 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SFV22126  Rumex crispus V. Soza, L. Gross 2001-5-9 1189 Los Angeles San Rafael Hills South of Scholl Canyon, Sleepy Hollow Drive to Valley Vista fire road. North-northwest-facing slope alongside fire road. 274 Comment
  UCD101137  Rumex crispus Jack Delaini 1974-3-11 73 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 365 Comment
  POM155745  Rumex salicifolius M. B. Dunkle 1928-10-7 2006 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 168 Comment
  UCR149904  Rumex salicifolius R. G. Swinney 1999-6-18 7343 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  OBI78192  Rupertia physodes Unknown 1882-5-2 2691 Los Angeles Pasadena Comment
  RSA188176  Ruppia maritima Robert F. Thorne 1966-4-7 35981 Los Angeles Santa Catalina Island, Shallow water of lower two ponds near Arrow Point, W end of island 46 Comment
  LA200847  Sairocarpus nuttallianus Jonathan Sauer; R. Brumbaugh 1973-4-28 5446 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA725099  Salazaria mexicana Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 116 -116A Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  CAS-BOT-BC125938  Salix X rubens Geo. B. Grant 1905-4-15 s.n. Los Angeles Oak Knoll, Pasadena Comment
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  UCR191203  Salix exigua R. G. Swinney 1999-6-30 7478 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  LA208677  Salix laevigata Carl Hedin; Joseph Ewan 1933-1-28 7629 Los Angeles San Fernando Valley, Los Angeles River, 400 m E of Radford Ave [Area 1] Comment
  RSA594663  Salix laevigata Louis C. Wheeler 1967-7-30 10249 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
  UC1134967  Salix laevigata A. D. Gifford 1935-4-15 585 Los Angeles 5 1/2 mi e-s.e. Quail; Tejon Quad. Comment
  RSA133775  Salix lasiolepis Peter H. Raven 1959-2-15 13793 Los Angeles Franklin Canyon 2.3 miles south of Mulholland Drive. 290 Comment
  RSA133785  Salix lasiolepis H. J. Thompson 1959-2-20 1835 Los Angeles 0.5 mile above ocean. La Tuna Canyon. Santa Monica Mtns. 76 Comment
  RSA567297  Salix lasiolepis Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3972 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA656132  Salix lasiolepis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 670 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 518 Comment
  SD112017  Salix lasiolepis Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; Cottonwoood Creek Comment
  UC1375420  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38902 Los Angeles canyon above Angeles Crest Hwy ca. 1 mi w Vincent Gap (at one of headwaters of e fork Big Rock Creek, n face of mt.); San Gabriel Mts., Angeles National Forest, Mt. Baden-Powell 2331 Comment
  UC492453  Salix lasiolepis F. R. Fosberg 1932-3-3 7415 Los Angeles Agoura (Picture City) Santa Monica Mts., Agoura (Picture City) Comment
  RSA92621  Salix lasiolepis Mabel Peirson 1925-3-1 5434 Los Angeles Arroyo Seco below California Street bridge, Pasadena Comment
  CDA20314  Salsola australis M. O'Brien 2005-1-23 s.n. Los Angeles Southern California Coast; La Piedra State Beach. 0 Comment
  UCR276994  Salsola tragus R. G. Swinney 2010-9-30 13916 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  SD253527  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-7 15449 Los Angeles San Gabriel Mountains: Colby Ranch, S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  UC907849  Saltugilia splendens subsp. grantii Herbert L. Mason 1927-6-11 3753 Los Angeles San Antonio Canyon San Gabriel Mountains, San Antonio Canyon 914 Comment
  RSA469654  Saltugilia splendens subsp. grantii Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon 1463 Comment
  RSA469657  Saltugilia splendens subsp. grantii Albert J. Perkins 1915-10-31 s.n. Los Angeles Clear Creek Trail to Big Tujunga, Sierra Madre Mts. Comment
  SBBG64372  Saltugilia splendens subsp. splendens R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA495622  Saltugilia splendens subsp. splendens S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 344 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  UC718498  Saltugilia splendens subsp. splendens Carl B. Wolf 1936-5-27 7851 Los Angeles 1 mi above Tie Camp Summit (Aliso Canyon to Buckhorn Flats Road); San Gabriel Mts., Aliso Canyon to Buckhorn Flats Road 1615 Comment
  CATA1008  Salvia apiana Mark L. Hoefs 1994-7-18 1890 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA145215  Salvia apiana Alice Ann Webb 1961-2-28 779 Los Angeles Mills and Baseline Avenues, Claremont, San Gabriel Mountain Range, San Gabriel Drainage Area. 396 Comment
  RSA424351  Salvia apiana William Emboden 1970-6-12 17 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  POM305752  Salvia apiana Henry J. Ramsey, Henry J. Ramsey 1937-6-27 941 Los Angeles Elizabeth Canyon Road, Angeles National Forest. Comment
  POM306200  Salvia apiana Henry J. Ramsey, Henry J. Ramsey 1937-5-16 s.n. Los Angeles Altadena. 305 Comment
  RSA134395  Salvia apiana Harlan Lewis 1957-5-25 s.n. Los Angeles New Topanga Road 4.8 miles north of Ferndale Road, Topanga Canyon. Comment
  SBBG55043  Salvia apiana A. Heise 1950-5-8 49 Los Angeles 0.5 mi E of Claremont (Sixth and Colorado) 335 Comment
  SD38573  Salvia apiana Florence Post 1931-4-21 1979 Los Angeles Foothill Blvd. near Mt Wilson toll gate. Comment
  SEINET12273088  Salvia apiana H. W. Graham 1921-1 s.n. Los Angeles From Mt.Lowe Tavern, Mt.Lowe, to observatory on Mt.Wilson, near Los Angeles Comment
  UCR191714  Salvia carduacea A. C. Sanders 2008-4-18 34954 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 959 Comment
  POM49962  Salvia carduacea A. D. E. Elmer 1902-06 3594 Los Angeles Acton. Comment
  RSA589256  Salvia columbariae Tim S. Ross 1991-4-28 4781 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UC1124735  Salvia columbariae A. D. Gifford 1935-3-6 442 Los Angeles 2.8 mi sw Red Mtn.; Angeles National Forest, Tejon Quad. 609 Comment
  RSA704238  Salvia columbariae Gary D. Wallace 1982-4-17 1914 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCR205844  Salvia dorrii R. G. Swinney 2008-5-8 8812 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
  SD121490  Salvia dorrii var. pilosa Barbara Ertter, Jeffrey Strachan 1980-5-18 3443 Los Angeles Forest Road 4N11 along Big Rock Creek just south of junction with Big Pines Highway ( Forest Road 4N06) 0.5 mile north of Angeles NF, ca. 1.5 miles southeast of Valyermo. 1219 Comment
  POM4036  Salvia leucophylla I. M. Johnston 1918-5-4 1940 Los Angeles Turnbull Canyon, Puente Hills. 366 Comment
  UC1124766  Salvia leucophylla F. H. Raymond 1930-1-6 18 Los Angeles Escondido Canyon; Triunfo Pass Quad. 335 Comment
  CAS-BOT-BC233304  Salvia mellifera Marcus E. Jones 1926-5-20 s.n. Los Angeles Claremont Comment
  LA33892  Salvia mellifera Peter H. Raven; 1959-5-3 14096 Los Angeles Santa Monica Mountains, Mulholland Drive at Laurel Pass 350 Comment
  RSA434108  Salvia mellifera F. R. Fosberg 1931-5-6 S 4810 Los Angeles Santa Catalina Island. Head of Cape Canyon, near pump house. 280 Comment
  RSA434116  Salvia mellifera Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  RSA482527  Salvia mellifera Richard Noyes, L. Arnseth 1988-4-30 556 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA580140  Salvia mellifera Tim S. Ross, Darin Banks 1994-4-12 7503 Los Angeles San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Canyon from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon. 634 Comment
  RSA651046  Salvia mellifera Frank W. Hedges 1948-5-9 s.n. Los Angeles Collected 3 mi. N. of Claremont. 610 Comment
  SFV9211  Salvia mellifera W. C. Willig 1974-5-3 50 Los Angeles Santa Monica Mountains Agoura. 0.25 miles north of Lobo Canyon Road, 0.75 miles west of Triunfo Canyon Road, Lobo Canyon. 274 Comment
  UC1922276  Salvia mellifera Valerie Soza, Miriam Sidibeh 2003-3-26 1601 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  POM180163  Sambucus mexicana Joseph A. Ewan 1931-10-29 5275 Los Angeles 1/2 mi. below Seminole Hot Springs. 396 Comment
  UCR117109  Sambucus mexicana A. C. Sanders, D. Malueg 2001-5-17 24327 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  LA82085  Sambucus nigra subsp. canadensis O. H. Kappler; 1940-5-31 40 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD66839  Sanicula arguta R. Mitchel Beauchamp 1967-3-17 253 Los Angeles San Clemente Island, grassy slope east of Wilson Cove Comment
  LA32987  Sanicula arguta J. Warren; 1952-4-9 Los Angeles Santa Monica Mountains, Spaulding Hill, UCLA 121 Comment
  RSA534062  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5260 -a Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  SDSU2336  Sanicula arguta R. M. Beauchamp 1967-1-27 119 Los Angeles Above (south of) Wilson Cove. San Clemente Island. Comment
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Oct 13 2011
  UC1348948  Sanicula bipinnatifida Robert F. Thorne and J. Henrickson 1963-5-5 32292 Los Angeles 4 mi n of Claremont (San Gabriel Mountains, upper Cobal Canyon); San Gabriel Mountains, Cobal Canyon 518 Comment
  SBBG131642  Sanicula crassicaulis S. A. Junak 1999-4-22 SCa 844 Los Angeles Cape Cyn, just downstream from pumphouse, along E fork of Cape Cyn Rd, just upstream from fork in rd 304 Comment
  UCR182685  Sanicula crassicaulis R. G. Swinney 1998-4-13 5952 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  RSA227000  Sarcodes sanguinea R. F. Thorne 1971-8-25 41252 Los Angeles Throop Peak 2744 Comment
  UCR23573  Sarcodes sanguinea John C. Roos 1966-6-15 s.n. Los Angeles San Gabriel Mountains, North slope of Mt. Baden-Powell near Lamel Spring 2378 Comment
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Aug 18 2012
  UC449723  Sarcostemma cynanchoides subsp. hartwegii I. J. Condit 1913-6-5 Los Angeles San Dimas Comment
  POM8028  Saxifraga californica P. A. Munz, R. D. Harwood 1920-3-13 3294 Los Angeles San Jose Hills, 2.5 miles west of Pomona. 305 Comment
  RSA0088420  Schinus molle R. G. Swinney 2010-2-27 11760 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA533458  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  UC520332  Schinus molle Louis C. Wheeler 1933-1-28 1456 Los Angeles San Dimas Canyon , San Dimas Canyon (San Gabriel Mts.) 388 Comment
  UCR46050  Schinus terebinthifolius G. F. Pratt 1986-7-15 s.n. Los Angeles El Segundo Dunes Comment
  SD252263  Schismus Steven A. Junak 1999-5-20 Sca 959 Los Angeles Santa Catalina Island: base of paved road leading to rop of Black Jack Peak, on SW side of peak. 530 Comment
  POM184652  Schoenoplectus americanus L. C. Wheeler 1932-9-19 1399 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  NY42989  Scrophularia villosa J. B. Walker 1995-4-8 1326 Los Angeles Santa Catalina Island, 2km S of Howland's Landing 100 Comment
  RSA599200  Scutellaria tuberosa Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Brown School for Girls, northwest of Glendora. 358 Comment
  UCR114587  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West 890 Comment
  RSA0081652  Sedum spathulifolium I. M. Johnston 1917-7-1 1745 Los Angeles [San Gabriel Mountains] Near Brown's Flat. [San Dimas Experimental Forest] 1295 Comment
  CAS-BOT-BC63895  Sedum spathulifolium Louis C. Wheeler 1932-7-2 908 Los Angeles San Dimas Canyon- Browns Flat trail; 1 mi from flat. San Gabriel Mts. 1219 Comment
  IRVC28572  Selaginella bigelovii A. C. Sanders, Mark Elvin 2002-6-18 25134 Los Angeles Newhall Ranch, "Sawtooth Ridge" area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 NE end of Santa Susana Mtns. 366 Comment
  SBBG128360  Selaginella bigelovii B. E. Carter 2012-8-23 6996 Los Angeles Airport Rd, ca. 100 m S of the airport 470 Comment
  CAS-BOT-BC62035  Selaginella bigelovii Grant 1903-3-16 5338 Los Angeles Sawpit Canyon, Mourovia Comment
  RSA529305  Selaginella bigelovii Timothy S. Ross 1991-4-8 4451 Los Angeles Elephant Hill: western Pomona 229 Comment
  JEPS26957  Senecio astephanus Frank W. Peirson 1920-6-10 1432 Los Angeles near Inspiration Point (on Mt. Lowe); San Gabriel Mts., Mt. Lowe 1371 Comment
  CAS-BOT-BC363459  Senecio californicus Geo. L. Moxley 1914-2-23 208 Los Angeles Hills north of Highland Park, Los Angeles Comment
  CAS-BOT-BC333124  Senecio flaccidus var. douglasii Le Roy Abrams 1902-7-5 1562 Los Angeles Azusa Comment
  UCR247983  Senecio flaccidus var. douglasii David J. Keil 1986-9-27 19740 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  UCR259612  Senecio flaccidus var. douglasii R. G. Swinney 2010-9-7 13677 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CAS-BOT-BC341209  Senecio lyonii J. H. Thomas 1949-2-22 1 Los Angeles Wilson's Cove, San Clemente Island Comment
  CATA2795  Senecio lyonii Howard L. Ferguson 1980-3-11 103 Los Angeles San Clemente Island: Off Westhore Rd. and Eel Pt. Grade 15 Comment
  UCR139226  Senecio lyonii F. H. Elmore, Hancock Pacific Expedition 1939-2-18 399 Los Angeles Channel Islands, San Clemente Island Comment
  RSA004666  Senecio vulgaris Fay A. MacFadden 1930-05 1985 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  UC1536075  Senecio vulgaris Robert F. Thorne 1975-9-4 47387 Los Angeles USC Marine Science Center campus Santa Catalina Island, Fisherman's Cove, USC Marine Science (Fisherman's Cove, Santa Catalina Island) Comment
  RSA0112035  Senna A. C. Sanders, T. B. Salvato 2009-5-19 36830 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. 110 Comment
  UCR223477  Sequoiadendron giganteum R. G. Swinney 2009-5-28 10938 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
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Jul 25 2018
  UC450904  Sidalcea malviflora subsp. malviflora Fay A. Macfadden 1931-4-22 2655 Los Angeles Summit Highway through San Franscito Canyon to Lake Hughes; San Franscito Canyon to Lake Hughes Comment
  JEPS97731  Sidotheca trilobata Annetta M. Carter, Arthur Carter 1935-9-13 990 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  UCD98543  Silene antirrhina A. C. Sanders; Helen Kennedy 2005-4-13 29420 Los Angeles Western San Gabriel/Liebre Mountains; Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA65710  Silene antirrhina F. W. Peirson 1921-6-19 2681 Los Angeles North Fork of San Gabriel River 1006 Comment
  SBBG131810  Silene antirrhina S. A. Junak, B. Collins 1991-4-25 SCI 210 Los Angeles Middle Ranch Cyn 457 Comment
  RSA477878  Silene gallica T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA617732  Silene gallica Scott D. White 1998-5-22 6557 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned community. Large area, has evidenly been heavily grazed for many years. 427 Comment
  SD107902  Silene gallica Larry DeBuhr 1977-4-16 2574 Los Angeles Santa Catalina Island; northwest side of Black Jack, along road to White's Landing. Comment
  UCD98696  Silene gallica Robert F. Thorne; Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36730 Los Angeles Santa Catalina Island; Salta Verde, approximately N of Salta Verde Point. Comment
  RSA762297  Silene gallica Orlando Mistretta, Christine Mistretta 2008-5-6 2663 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  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
  RSA774864  Silene verecunda R. G. Swinney 2009-6-24 11248 Los Angeles Summit of Granite Mountain. 1988 Comment
  RSA438866  Silene verecunda subsp. platyota F. R. Fosberg, J. Ewan 1931-8-12 4990 Los Angeles San Gabriel Mountains: trail to summit of Mount Islip 2439 Comment
  UCR276955  Silybum marianum R. G. Swinney 2010-5-25 12908 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CAS-BOT-BC75083  Sisymbrium altissimum Carl B. Wolf 1936-5-27 7834 Los Angeles San Gabriel Mountains. Indian Canyon Camp. 2 miles off Soledad Canyon. 914 Comment
  SBBG71852  Sisymbrium irio S. A. Junak with M. L. Hoefs, M. Gay 1997-6-6 SCa 443 Los Angeles just inland from beach at White's Landing 3 Comment
  SFV5502  Sisymbrium irio W. A. Kelley 1966-3-12 s. n. Los Angeles San Fernando Valley North Hollywood. Lot near Riverside Drive and Whitsett. 190 Comment
  UCR150593  Sisymbrium officinale L. C. Wheeler 1967-5-3 9801 Los Angeles Transverse Ranges; San Gabriel Mountains region, Sycamore Flat Campground, Big Rock Creek 1311 Comment
  RSA0110783  Sisymbrium officinale Steven A. Junak 2000-7-1 SCa- 1374 Los Angeles Santa Catalina Island. Cape Canyon. 265 Comment
  RSA65825  Sisymbrium officinale F. W. Peirson 1919-4-19 1899 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 579 Comment
  SBBG96666  Sisymbrium orientale S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 a Los Angeles lower half of China Cyn Comment
  UCR95168  Sisymbrium orientale L. C. Wheeler 1967-4-30 9250 Los Angeles San Gabriel Mtns., Foothills c. 0.1 mi SE of mouth of Pacoima Canyon 473 Comment
  LA34248  Sisymbrium orientale Peter H. Raven; 1959-5-3 14062 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  RSA795201  Sisyrinchium bellum Jane Tirrell 2012-8-3 LS 0144 Los Angeles South side California State Route 2, approx. 100 ft. east of turnout at mile marker 67.7. 2308 Comment
  RSA366921  Sisyrinchium bellum N. C. Cooper 1945-5-1 2334 Los Angeles Tapia Park region 762 Comment
  CHSC98109  Solanum douglasii LeRoy Gross; Laura Moore 2000-6-5 206 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. Narrow, sunny small canyon between Brand and Idlewood Canyons. 274 Comment
  UCR271837  Solanum douglasii R. G. Swinney 2011-3-15 14082 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  UCR281634  Solanum douglasii R. G. Swinney 2014-5-19 16551 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA422395  Solanum douglasii E. S. Spalding 1925-4-26 15168 Los Angeles Arroyo Seco. Comment
  SBBG19137  Solanum douglasii M. A. Piehl 1963-12-8 631092 Los Angeles Cove Cyn 0.25 mi from mouth 9 Comment
  SDSU11165  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles Growing near rocks on slope east of Wilson Cove. San Clemente Island. Comment
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May 16 2008
  RSA427308  Solanum elaeagnifolium Bonnie C. Templeton 1954-8-8 s.n. Los Angeles From RR (SP) embankment near Soledad Public Camp, Soledad Canyon. Comment
  RSA603873  Solanum nigrum Louis C. Wheeler 1975-9-15 s.n. Los Angeles Pasadena: Lake Avenue and Walnut Street. Comment
  RSA427432  Solanum umbelliferum Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  RSA652012  Solanum umbelliferum Thomas Seerley 1948-2-14 s.n. Los Angeles Mouth of Dalton Canyon, Glendora. 305 Comment
  UCR272621  Solanum umbelliferum R. G. Swinney 2011-7-7 15446 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA188388  Solanum wallacei Robert F. Thorne, Percy C. Everett 1965-6-23 34931 Los Angeles Santa Catalina Island. Middle Ranch Canyon near Eagle Nest Rock 152 Comment
  SD69459  Solanum wallacei subsp. clokeyi Robert F. Thorne 1966-4-5 35798 Los Angeles Santa Catalina Island: N slope Black Jack Mt., 0.8 mile down road to White's Landing 410 Comment
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Jan 31 2012
  NY820411  Solanum xanti L. Abrams 1908-6-19 336 Los Angeles Oakgrove Canyon, Liebre Mountains 1067 Comment
  SBBG70661  Solanum xanti R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  UCR155698  Solanum xanti A. C. Sanders, T. B. Salvato 2005-4-26 29710 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA0102407  Solanum xanti Lyman Benson 1953-5-17 15119 Los Angeles Oak Flats Guard Station, 1 mile north of second summit north of Castaic. 822 Comment
  POM11276  Solidago californica P. A. Munz 1921-10-5 4694 Los Angeles Palmer's Canyon, N of Claremont 488 Comment
  RSA473621  Solidago californica L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout [Swarthout]. Comment
  UCR141036  Solidago californica June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  RSA7617  Solidago confinis C. B. Wolf 1933-11-9 s.n. Los Angeles Valyermo Post Office, desert slope of San Gabriel Mountains on Big Rock Creek. 1098 Comment
  OBI28613  Solidago velutina subsp. californica J. & B. Semple, B. Semple 1981-8-14 5614 Los Angeles E of Kratken Ridge along crk Comment
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Sep 15 2014
  CLARK-A1528-2102  Soliva sessilis Alfred R. Roos 1958-5-16 Los Angeles Comment
  RSA0127006  Sonchus asper subsp. asper Louis C. Wheeler 1967-7-20 10124 Los Angeles Aliso Canyon. 1067 Comment
  JEPS30646  Sonchus oleraceus Peter H. Raven and Henry J. Thompson 1959-6-4 14346 Los Angeles Point Dume Santa Monica Mountains, Point Dume 12 Comment
  LA32074  Sonchus oleraceus Henry J. Thompson; Peter H. Raven 1959-6-4 14346 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  SDSU541  Sonchus oleraceus R. M. Beauchamp 1967-3-18 271 Los Angeles San Clemente Island. Comment
  UCR108378  Spergularia bocconi L. C. Wheeler 1970-6-9 s.n. Los Angeles Coastal Plain, San Pedro, Harbor Blvd, at 4th Street 3 Comment
  SD85139  Spergularia macrotheca var. macrotheca E. R. Blakley 1963-12-7 6319 Los Angeles San Clemente Island; west of Pyramid Head, south of Lighthouse. 299 Comment
  CATA1590  Spergularia villosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2860 Los Angeles Santa Catalina Island: Road to Toyon Beach 182 Comment
  CATA1494  Spergularia villosa Mark L. Hoefs, Steven A. Junak 1996-5-1 2701 Los Angeles Santa Catalina Island: Road to Lone Tree, past Upper Road to Avalon Canyon 463 Comment
  RSA442886  Sphaeralcea emoryi subsp. variabilis T. W. Minthorn 1925-5-30 s.n. Los Angeles Near Palmdale. Comment
  RSA65446B  Spraguea F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  UCR230261  Stachys ajugoides Dan S. Cooper 2011-4-14 411- 16 Los Angeles Ernest E. Debs Regional Park, Montecito Heights, SW of South Pasadena between the Pasadena Fwy (111) and the Huntington Fwy (66) 166 Comment
  RSA601749  Stachys ajugoides var. rigida Louis C. Wheeler 1946-4-21 6192 Los Angeles San Gabriel Mountains. Cloverleaf Canyon (near head of canyon). Comment
  RSA562791  Stachys albens D. Charlton 1991-7-5 5525 Los Angeles Elizabeth Canyon Rd. Cottonwood Cyn Campground. 396 Comment
  RSA582111  Stachys albens Louis C. Wheeler 1933-7-7 1921 Los Angeles Lexington Wash near El Monte. 73 Comment
  UCR127386  Stachys albens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25527 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR210707  Stachys albens R. G. Swinney 2008-9-10 9412 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  RSA446636  Stachys bullata M. B. Dunkle 1933-4-19 3308 Los Angeles Palos Verdes Hills. Comment
  SD90492  Stebbinsoseris heterocarpa Robert F. Thorne 1966-4-16 36053 Los Angeles San Clemente Island; rocky slope above pebbly beach; 0.5 mile southsoutheast of Eel Point, southwest side of island. Comment
  POM187471  Stellaria graminea L. C. Wheeler 1933-6-21 1873 Los Angeles San Gabriel Mts [?] 107 Comment
  JEPS51093  Stellaria media Frank W. Peirson 1919-4-19 368 Los Angeles Pacoima Canyon; San Gabriel Mountains 609 Comment
  RSA0085606  Stellaria media R. G. Swinney 2010-8-26 13589 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UCR238469  Stellaria media Orlando Mistretta, Christine Mistretta 2008-5-5 2652 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  CAS-BOT-BC397703  Stellaria nitens Munz; Street; Williams 1919-3-15 2409 Los Angeles South Hills, Pomona Comment
  CAS-BOT-BC397707  Stellaria nitens Cecil Hart 1927-3-7 s.n. Los Angeles Montebello Comment
  RSA127763  Stephanomeria cichoriacea P. H. Raven, Henry J. Thompson 1958-10-11 13744 Los Angeles Las Tunas Canyon at Coast Highway 152 Comment
  UC74049  Stephanomeria exigua subsp. coronaria J. H. Barber 1897-6-23 184 Los Angeles Pacoima San Fernando Valley Comment
  SBBG67920  Stephanomeria pauciflora R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  SEINET2055366 Image available Stephanomeria pauciflora Steve Myers 1988-6-29 Los Angeles Big Rock Creek wash, 2.5 mi. E of town of Pearblossom. Comment
  UC127122  Stephanomeria pauciflora H. M. and G. R. Hall 1908-7-4 8331 Los Angeles San Francisquito Canyon Comment
  RSA94982  Stephanomeria spinosa F. W. Peirson 1922-7-6 3170 Los Angeles Summit of Blue ridge, Swartout Valley 2438 Comment
  POM199716  Stephanomeria virgata I. W. Clokey, B. C. Templeton 1929-06 4581 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA761770  Stephanomeria virgata R. G. Swinney 2008-10-10 9550 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA474196  Stephanomeria virgata Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  LA211115  Stillingia linearifolia Tony Valois; 2009-5-1 0 s.n. Los Angeles SIMI HILLS, SMMRA Cheeseboro-Palo Comado. Comment
  UCR180356  Stipa cernua Scott D. White, Pam Devries 2006-5-9 11401 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR84557  Stipa coronata T. S. Ross, Steve Boyd 1994-5-25 7929 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  UCR22492  Stipa lepida C. S. Jones 1979-5-25 53 Los Angeles Near Route 23, 5 mi east of its junction with Hwy 1. 213 Comment
  RSA0076957  Stipa speciosa R. G. Swinney 2010-5-19 12823 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
  UCR204807  Stipa speciosa R. G. Swinney 2005-8-26 8528 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  POM123170  Suaeda esteroa Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  UC557814  Suaeda taxifolia Nell Murbarger April 1936 145 Los Angeles San Clemente Island Comment
  CAS-BOT-BC234661  Symphoricarpos mollis George B. Grant; Walter Wheeler 1904-4-21 H 6155 Los Angeles Eagle Nest, Santa