Search Results — 2000 specimen records retrieved (1562 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR277099  Abies concolor R. G. Swinney 2010-9-23 13891 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  CAS-BOT-BC229556  Abronia maritima Geo. B. Grant 1898-4-1 s.n. Los Angeles San Pedro Comment
  RSA235093  Abronia villosa var. villosa N. Riden 1971-5-2 45 Los Angeles 15 miles east of Palmdale on So. slope of Lovejoy Buttes in Mojave Desert 915 Comment
  UCR138491  Abutilon theophrasti L. C. Wheeler 1976-8-2 s.n. Los Angeles Dominguez Hills, Del Amo Boulevard and Dominguez Avenue 9 Comment
  RSA0014971  Acacia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11690 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA0076537  Acanthomintha obovata subsp. cordata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8558 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  SBBG62383  Acanthoscyphus parishii var. parishii Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  RSA603231  Acer macrophyllum Katherine Kneen 1933-4-29 s.n. Los Angeles Topanga Canyon. Comment
  RSA799902  Acer macrophyllum Michelle Terrazino, Monica Rodriguez, Naomi S. Fraga 2013-7-23 9 Los Angeles Glendora Ridge Road. 1312 Comment
  SD41292  Acer macrophyllum Edith A. Purer 1931-3-7 1525 Los Angeles Oakwilde [campground] Comment
Read comments
Jul 10 2010
  UC205353  Acer macrophyllum I. M. Johnston 1917-7-28 1568 Los Angeles San Antonio Canyon San Antonio Mountains, San Antonio Canyon 1600 Comment
  UC284810  Acer macrophyllum P. A. Munz 1923-5-26 6833 Los Angeles Big Rock Creek , Big Rock Creek (San Gabriel Mts.) 1920 Comment
  RSA606909  Acer palmatum Louis C. Wheeler 1973-6-20 s.n. Los Angeles Altadena. Comment
  RSA654323  Achillea millefolium Benjamen Rangel 1992-4-12 777 -10 Los Angeles At the water drainage by light post G-20 and Center Circle road at Cal Poly Pomona Univ. Comment
  RSA747271  Achnatherum parishii subsp. parishii R. G. Swinney 2005-8-26 8527 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374 c. 1/2 mi. SW of Devil's Chair 1933 Comment
  CAS-BOT-BC204748  Acmispon argophyllus var. argenteus Reid Moran 1941-2-19 594 Los Angeles Middle Ranch, San Clemente Island Comment
  SDSU4288  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-7-7 115 Los Angeles East of Wilson Cove area. Comment
  SD69605  Acmispon dendroideus var. dendroideus Robert F. Thorne, P. Everett 1965-5-10 34426 Los Angeles Santa Catalina Island, rocky bluff along Summit Road near Hogsback 91 Comment
  SBBG95188  Acmispon grandiflorus var. grandiflorus M. B. Dunkle 1928-3-17 1749 Los Angeles Emerald Bay Comment
  SBBG91838  Acmispon strigosus S. A. Junak 1978-4-15 SCa 22 Los Angeles N side of Cherry Valley, on slopes above Boy Scout Camp 30 Comment
  RSA549164  Acourtia microcephala T. S. Ross, Peter Fritsch 1990-6-20 3699 Los Angeles Forest Service Rd. 1N36 heading S from Rincon-Red box Rd; W side of Van Tassel Canyon; 473 Comment
  CAS-BOT-BC133184  Adenostoma fasciculatum Alice Eastwood 1919-5-29 8929 Los Angeles San Gabriel Canyon Comment
  CHSC5093  Adenostoma fasciculatum M. MacArthur 1967-7-16 78 Los Angeles Along lower Chilao Flat road, keeping to left at fork, near turn-off to water tower, about 1/2 mi. off Angeles Crest Hwy., Angeles National Forest, San Gabriel Mts. 1584 Comment
  RSA0085316  Adenostoma fasciculatum R. G. Swinney 2010-4-23 12373 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  SD53076  Adenostoma fasciculatum Peter H. Raven 1962-5-22 17839 Los Angeles Santa Catalina Island, hillsides, Middle Ranch 213 Comment
  UCR155606  Adenostoma fasciculatum A. C. Sanders 2005-5-11 30141 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA660223  Adenostoma fasciculatum var. fasciculatum Fred Brooks 1988-4-3 4 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  RSA0016930  Adenostoma fasciculatum var. fasciculatum Kelly Middleton, David Middleton 1988-5-23 35 Los Angeles Glendora Ridge Road, 6.5 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1067 Comment
  RSA0035080  Adenostoma sparsifolium K. Kneen 1933-8-24 s.n. Los Angeles Foot of Saddle Peak, Topanga Canyon. Comment
  CAS-BOT-BC65566  Adiantum capillus-veneris Le Roy Abrams 1901-7-1 1878 Los Angeles West Fork of San Gabriel River Comment
  RSA188242  Adiantum capillus-veneris R. F. Thorne, Percy C. Everett 1965-6-23 35001 Los Angeles Santa Catalina Island: lower part of Hamilton Canyon below main fork 91 Comment
  LA33450  Adiantum jordanii Peter H. Raven; 1959-5-9 14173 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 243 Comment
  RSA687711  Adiantum jordanii L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  POM8695  Adiantum jordanii P. A. Munz, Harwood 1920-3-13 3317 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  UCR258954  Ageratina adenophora R. G. Swinney 2010-2-27 11756 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA733592  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  UCR98929  Agropyron cristatum T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3764 Los Angeles San Gabriel Mtns., Pinyon Ridge, western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1951 Comment
  CDA4017  Albizia lophantha Robert Gustafson 1981-4-14 2171 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Ballona Wetlands, area 2 0 Comment
  OBI34027  Albizia lophantha Mark Schneider 1973-11-24 s.n. Los Angeles Laguna Beach 18 Comment
Read comments
Nov 19 2014
  RSA453105  Alchemilla occidentalis F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Pebble [Pebbly] Beach Canyon, Santa Catalina Island. 50 Comment
  UCR101197  Alisma triviale L. C. Wheeler 1947-9-17 6630 Los Angeles San Gabriel Valley, Rio Hondo: at Rosemead Blvd. 70 Comment
  RSA367099  Allium haematochiton T. S. Clare 1929-3-17 s.n. Los Angeles Topanga Canyon. Comment
  UCR124247  Allium haematochiton L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns, Divide between W fork Ebey and Little Tujunga Canyons 610 Comment
  UC1601946  Allium praecox George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 34 -4408 Los Angeles Santa Catalina Island Comment
  UC624998  Allophyllum glutinosum F. R. Fosberg 1931-7-14 15413 Los Angeles Hamilton Canyon Santa Catalina Isl., Hamilton Canyon 30 Comment
  RSA410075  Allophyllum glutinosum L. C. Wheeler 1932-6-12 820 Los Angeles San Gabriel Mountains: San Dimas CanyFoothills 1/2 mi. E Palmer Canyon.on. 549 Comment
  RSA729838  Alnus rhombifolia R. G. Swinney 1999-6-21 7357 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR276796  Alnus rhombifolia R. G. Swinney 2011-3-29 14243 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA593585  Amaranthus albus Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8906 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA763023  Amaranthus albus R. G. Swinney 2009-3-13 10110 -A Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  UCR210405  Amaranthus blitoides R. G. Swinney 2008-12-6 9963 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
  JEPS54295  Amaranthus californicus Frank W. Peirson 1922-7-6 3183 Los Angeles Big Pines San Gabriel Mountains 2072 Comment
  CDA3280  Amaranthus retroflexus Phillipson 1915-7-16 Los Angeles Monrovia. Comment
  RSA127813  Amaranthus retroflexus P. H. Raven, Henry J. Thompson 1959-9-18 s.n. Los Angeles Weed about plantings, campus of the University of California, West Los Angeles 130 Comment
  RSA611267  Amaranthus retroflexus L. C. Wheeler 1942-11-30 5677 Los Angeles Near Kellogg Ranch, Arroyo Avenue, ca. 3 miles W of Pomona. Comment
  POM155794  Amblyopappus pusillus M. B. Dunkle 1928-4-22 1886 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  UC891360  Ambrosia psilostachya Carl B. Wolf 1932-10-5 Los Angeles junction os Isthmus Rd and road to Black Jack Peak Isthmus Road; Santa Catalina Island 243 Comment
  RSA5882  Ambrosia psilostachya C. B. Wolf 1932-9-16 4100 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA93685  Ambrosia psilostachya F. W. Peirson 1919-11-15 1318 Los Angeles East Villa St. near Allen St. Pasadena. Comment
  UCR160792  Ambrosia salsola David Charlton 1989-4-7 2840 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  SFV12541  Ammannia coccinea M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 854 Los Angeles San Fernando Valley Big Tujunga Wash,, on mud flats just behind Hansen Dam. 305 Comment
  UCR227775  Ammannia coccinea R. F. Thorne 1966-9-16 36710 Los Angeles Channel Islands, Santa Catalina Island, near Haypress Reservoir 412 Comment
  UC1587636  Amsinckia intermedia Tim Ross 1991-4-21 4547 Los Angeles ridgetop between Turnbull and Sycamore Canyons ((Puente Hills, pro parte)); Whittier Hills 320 Comment
  RSA499953  Amsinckia intermedia Grethe Moskedahl 1923-3-12 s.n. Los Angeles Los Angeles Comment
  RSA617396  Amsinckia menziesii Scott D. White 1998-6-4 6641 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community 425 Comment
  RSA593450  Amsinckia menziesii var. menziesii Steve Boyd 1996-4-24 8651 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
  RSA526536  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-7 4274 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR223048  Amsinckia tessellata R. G. Swinney 2009-5-5 10647 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  PASA2004  Amsinckia tessellata Frank W. Peirson 1930-5-12 Los Angeles Along Blvd. about opposite Acton Comment
  RSA0055043  Amsinckia tessellata Jim Shevock 1971-3-15 790 Los Angeles Near Pearblossom, Hwy. 138. 914 Comment
  RSA250602  Amsinckia tessellata var. tessellata R. F. Thorne 1970-4-17 39511 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  UCD117533  Anagallis arvensis P. B. Kennedy 1928-3-30 s.n. Los Angeles White's Landing, Santa Catalina Island. Comment
  POM12287  Anagallis arvensis F. L. Robinson 1921-4-14 24 Los Angeles South Hills. South of Pomona. Comment
  POM11788  Andropogon glomeratus var. scabriglumis Geo. L. Moxley 1917-9-3 s.n. Los Angeles Eaton Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC400319  Anemopsis californica Carl B. Wolf 1932-5-12 3587 Los Angeles Santa Catalina Island. 3/4 mi. from Little Harbor on road to Isthmus 30 Comment
  RSA12635  Anemopsis californica C. B. Wolf 1934-8-16 6064 Los Angeles Bryant Ranch east of Long Beach. East side of San Gabriel Flood Control. 700 ft. east and 200 feet south of center of section 25. Comment
  SD71828  Anthemis nobilis Helen V. Witham 1969-7-29 314 Los Angeles Arcadia Comment
  UCR142786  Anthriscus caucalis L. C. Wheeler 1967-5-13 9517 Los Angeles San Gabriel Mtns, San Gabriel Canyon, vicinity of E[dwin] Waldo Ward's Grove, 0.25 mi N of El Encanto 259 Comment
  LA201025  Anthriscus caucalis Carl Wishner; 1991-5-7 1946 Los Angeles Santa Monica Mountains, Corbin Canyon 99 Comment
  CHSC95848  Antirrhinum coulterianum LeRoy Gross; Laura Moore 2000-6-5 228 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UC2042125  Antirrhinum coulterianum Orlando Mistretta 1990-7-2 s. n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Bear Flat. Comment
  RSA517131  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd 1990-5-14 2496 Los Angeles San Gabriel Mts.: Yerba Buenda Ridge, Angeles National Forest, Tujunga Ranger District. 1143 Comment
  SEINET3158874  Antirrhinum coulterianum G. B. Grant 1904-7-1 49 Los Angeles Covina. Southern California only Comment
  UCR146490  Antirrhinum multiflorum Scott D. White 2004-7-28 10665 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  CATA2976  Aphanisma blitoides Peter J. Dixon 2015-2-17 004 Los Angeles Santa Catalina Island: North Ridge of Cottonwood Canyon, 320 m East of pacific ocean at Ragger's Point. East of Two Harbors Rd. Aspect; South 190 76 Comment
  IRVC29577  Apiastrum angustifolium A. C. Sanders 2003-4-29 26185 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  LA34301  Apiastrum angustifolium Sandra Shimbel; 1951-5-20 sn Los Angeles Santa Monica Mountains, Brentwood Canyon Comment
  UCR124620  Apiastrum angustifolium I. W. Clokey, B. C. Templeton 1929-1 4434 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR155612  Apiastrum angustifolium A. C. Sanders 2005-5-11 30148 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA77432  Apium graveolens F. W. Peirson 1923-06 819 Los Angeles Kewen Lake Canyon, Pasadena Comment
  CLARK-A1528-1425  Apium leptophyllum Alfred R. Roos 1958-5-29 Los Angeles parking strip on the 1900 block of Westwood Blvd. Comment
Read comments
Oct 26 2015
  RSA450802  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA757076  Aquilegia formosa R. G. Swinney 2008-9-13 9453 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA188555  Aquilegia formosa Robert F. Thorne, John Olmsted 1965-8-26 35413 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  RSA430023  Arabis glabra var. glabra Robert Gustafson 1985-5-8 3111 Los Angeles Angeles National Forest; Sawpit Canyon, ca 1 mile above the reservoir Comment
  RSA600036  Arabis pulchra Steve Boyd, Lauren Raz 1997-3-25 9256 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA0128663  Arabis repanda R. G. Swinney 1998-7-14 6444 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  CAS-BOT-BC407750  Arceuthobium abietinum James R. Shevock 1976-4-24 5015 Los Angeles along Big Pines Hwy. in the vicinity of Apple Tree Campground, San Gabriel Mountains, Angeles National Forest 1524 Comment
  RSA233586  Arctostaphylos catalinae R. F. Thorne 1970-3-5 39355 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  RSA590509  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft) slope and small ridges N of Cactus Peak summit. 402 Comment
  RSA626758  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-5-27 22821 Los Angeles Slope north of Switzer's, adjacent to Angeles Crest Highway. 1000 Comment
  RSA629090  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20257 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  CAS-BOT-BC23204  Arctostaphylos glandulosa subsp. glandulosa Mrs. S. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  LA33460  Arctostaphylos glandulosa subsp. mollis Peter H. Raven; 1959-3-8 13840 Los Angeles Santa Monica Mountains, Mulholland Drive [Hwy] 7.6 mi W of Topanga Canyon 365 Comment
  RSA631519  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15667 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631537  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16012 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  SBBG5434  Arctostaphylos glauca J. M. Tucker 1946-10-18 1474 Los Angeles near US Hwy 99, 18 mi N of Castaic Jct Comment
  SD260240  Arctostaphylos glauca R. G. Swinney 2010-5-19 12809 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just W of Angeles Nat. Forest boundary, 2.05 air mi. due E of Angeles Forest Hwy., 0.8 mi. due W of Mt. Emma Rd. 1335 Comment
  UC1121450  Arctostaphylos glauca Jerome S. Horton 1936-3-24 260 Los Angeles Tanbark Flats Pomona Quadrangle, Tanbark Watershed Comment
  LA93204  Arctostaphylos glauca Kei Nakai; 1975-11-28 TCSP 154 -75 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Topanga Canyon State Park, along fire road 30. 426 Comment
  RSA634338  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22087 Los Angeles Road to Crystal Lake, 1 km north of Highway 39, San Gabriel Mountains. 1720 Comment
  RSA634766  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20611 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA634882  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20480 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA635247  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20647 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA747166  Arenaria macradenia var. arcuifolia Orlando Mistretta 1992-6-23 601 Los Angeles Lightning Ridge. Comment
  UCR238479  Arenaria macradenia var. macradenia Orlando Mistretta, Christine Mistretta 2008-5-2 2605 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1021 Comment
  UCR202520  Arenaria nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8012 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  POM182057  Argyrochosma jonesii L. C. Wheeler 1933-2-22 1475 Los Angeles Little Rock Creek. 1066 Comment
  JEPS19511  Artemisia californica Peter H. Raven 1957-9-21 11330 Los Angeles nw end of campus UCLA campus; Los Angeles Comment
  RSA596012  Artemisia californica Timothy S. Ross, J. Mark Porter 1995-5-4 8433 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC624988  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles <left fork> Pebble Beach Canyon; Santa Catalina Island, Pebble Beach Canyon 20 Comment
  UCR212749  Artemisia californica Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1784 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon, north of San Dimas Reservoir]. First road intersection beyond the ranger station, edge of San Dimas Creek along trail next to the gate 454 Comment
  UCR223135  Artemisia douglasiana R. G. Swinney 2009-7-22 11352 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA417276  Artemisia douglasiana Louis Greata 1900-9-30 s.n. Los Angeles Eaton Canyon. Comment
  CAS-BOT-BC93864  Artemisia dracunculus Herman Knoche 1919-7-14 1058 Los Angeles North of Los Angeles Comment
  RSA417318  Artemisia dracunculus Anstruther Davidson 1891-07 s.n. Los Angeles Santa Monica Canon. [Canyon] Comment
  RSA305926  Artemisia tridentata subsp. parishii Fay A. MacFadden 1931-08 3196 Los Angeles Pacoima Wash. Comment
  SBBG62485  Artemisia tridentata subsp. parishii R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, below Bob's Place Comment
  RSA177676  Arthrocnemum subterminale R. F. Thorne, Percy C. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  RSA0104748  Asclepias californica Steve Boyd, Lauren Raz 1997-5-20 9803 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCD121230  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles San Gabriel Mountains: Wawona Lodge (site) adjacent to Crystal Lake. 1699 Comment
  UCSB4940  Asclepias californica Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 road miles E. of road to Acton and 10 road miles E. of Angeles forest Highway junc. 914 Comment
  UCR224258  Asclepias fascicularis David Charlton 2010-7-21 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, Piute Ponds along road to spillway across from inlet channel from District 14 wastewater treatment facility, 200 yards east of Shuttle Road 698 Comment
  UCR272555  Asclepias fascicularis R. G. Swinney 2011-10-27 15900 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  CAS-BOT-BC68898  Aspidotis californica George B. Grant 1901-1-1 248 Los Angeles From Santa Monica Range Comment
  SFV19316  Aspidotis californica T. Sagar, P. Wilson 2005-3-26 s. n. Los Angeles Santa Monica Mountains Near Seminole Hot Springs in ravine between sandstone outcrops on National Park Service Hennesy property, south of Mulholland Highway. 430 Comment
  RSA250441  Aster greatae R. F. Thorne, John Dourley 1967-10-3 37263 Los Angeles Angeles National Forest, San Gabriel Mts.: Yucca Flats Summer Home Tract, upper end of Canyon of N. Fork of San Gabriel River 1250 Comment
  LA209943  Aster lanceolatus subsp. hesperius Arthur C. Gibson; 2006-10-29 5124 Los Angeles Comment
  SEINET2054745  Astragalus douglasii var. parishii George K. Helmkamp, E. A. Helmkamp 1998-5-21 4052 Los Angeles Western Majave Desert; Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1463 Comment
  SBBG116997  Astragalus gambelianus S. A. Junak 2001-5-3 SCa 1469 Los Angeles just N of Airport Rd, above head of Swain's (Swain) Cyn 408 Comment
  RSA638179  Astragalus gambelianus L. C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  UCR36542  Astragalus lentiginosus A. C. Sanders, F. C. Vasek 1984-6-6 5080 Los Angeles Mojave Desert, SW end of Rosamond Lake (dry) near E end of Ave. 'C 701 Comment
  CAS-BOT-BC187082  Astragalus lentiginosus var. antonius Louis C. Wheeler 1956-9-14 7234 Los Angeles San Gabriel Mountains: Prairie Fork 1798 Comment
  CHSC101721  Astragalus miguelensis Mark Elvin; Orlando Mistretta 1996-3-24 120 Los Angeles Channel Island; San Clemente Island. Comment
  UC557768  Astragalus nevinii Nell Murbarger April, 1936 124 Los Angeles w side and s end San Clemente Island (near the ocean); w side and s end San Clemente Island Comment
  RSA0036147  Astragalus preussii var. laxiflorus David Charlton 1992-5-13 s.n. Los Angeles 100 yards north of the South Base well fields water tower, Edwards AFB. 701 Comment
  UC82697  Astragalus trichopodus Blanche Trask June 1901 Los Angeles Santa Catalina Isl Comment
  UC862878  Astragalus trichopodus var. lonchus Carl B. Wolf 1932-5-9 3433 Los Angeles on road to Pebbly Beach 1/2 mi from Avalon (Santa Catalina Island); , 1/2 mi fr Avalon 7 Comment
  RSA110189  Astragalus trichopodus var. lonchus H. D. Ripley, R. C. Barneby 1943-4-9 5194 Los Angeles Sea-Bluffs N. of Santa Monica. 9 Comment
  RSA415734  Astragalus trichopodus var. lonchus G. Austin 1929-2-18 s.n Los Angeles Glen Ranch. Comment
  RSA0072154  Astragalus trichopodus var. phoxus Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  UC1584215  Astragalus trichopodus var. phoxus Tim Ross, Steve Boyd 1990-6-6 2861 Los Angeles .3 mi ese Oak Flat Spring (nr the intersection of Threemile Grade x the road W to Camp Caula, Los Padres National Forest (admin. by Angeles N.F.)); Los Padres National Forest, ese of Oak Flat Spring 839 Comment
  UC1784347  Atriplex amnicola H. C. Stutz 1991-2-7 95446 Los Angeles Malibu Beach Comment
  UC56426  Atriplex canescens Ernest Braunton Sept 1903 906 Los Angeles Glendale to Burbank; Glendale to Burbank Comment
  RSA155907  Atriplex coulteri P. H. Raven 1962-5-8 17633 Los Angeles Near western shore of island, opposite Wilson Cove, San Clemente Island 46 Comment
  SBBG128211  Atriplex coulteri M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3174 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA739269  Atriplex halimus R. E. Riefner 2007-9-23 07 -401 Los Angeles Palos Verdes Peninsula, vicinity of via Coronel Road and Via Olivera Road, Margate School 105 Comment
  RSA741476  Atriplex halimus R. E. Riefner 2007-9-23 7 -405 Los Angeles Palos Verdes Peninsula, Palos Verdes Dr. West, vicinity of Bluff Cove to Malaga Cove. 98 Comment
  POM184498  Atriplex johnstonii P. A. Munz 1932-8-31 12817 Los Angeles Playa Del Rey Comment
  UCR188675  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007- 01 Los Angeles South Coast, Malibu Lagoon near 'Malibu Colony' along state park access road, just above water line; west of highway and north of Malibu Creek 1 Comment
  UCR24118  Atriplex lentiformis subsp. breweri John C. Roos 1942-9-12 1724 Los Angeles South Coast/Santa Monica Mtns., northwest of Santa Monica 30 Comment
  RSA478306  Atriplex leucophylla F. R. Fosberg 1931-5-4 S- 4759 Los Angeles Mouth of Middle Ranch Canyon, Santa Catalina Island. Comment
  SD252312  Atriplex leucophylla Steven A. Junak 1999-7-16 Sca 1058 Los Angeles Santa Catalina Island: Behind beach at N side of Cottonwood Canyon mouth. 3 Comment
  UCR100432  Atriplex prostrata Scott D. White 1997-11-5 6013 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  CATA1866  Atriplex rosea Denise Kraus 2000-7-18 46 Los Angeles Santa Catalina Island: Middle Ranch in front of Conservancy barn 0 Comment
  UCR95274  Atriplex serenana L. C. Wheeler 1970-8-31 s.n. Los Angeles Corner of 18th and Georgia St. Comment
  RSA692081  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-8-28 25598 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  RSA702078  Atriplex serenana var. serenana Scott D. White, Pam De Vries 2004-6-14 10497 -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
  SD48932  Atriplex watsonii Reid Moran 1958-9-18 6855 Los Angeles San Clemente Island, 1.7 miles southeast of Eel Point, on lowest terrace. 10 Comment
  UCR198397  Avena barbata Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 756 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  UCR259954  Avena barbata R. G. Swinney 2010-4-28 12428 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
  UCR273106  Avena barbata R. G. Swinney 2011-4-26 14520 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
  RSA385399  Avena fatua Samuel Pusateri 1941-7-17 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  UC1922751  Avena sativa Valerie L. Soza, Laura Moore 2000-5-10 846 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. Near 34deg 14' 31.5'' N 118deg 18' 6.9'' W T2N R14W NE/4, SW/4 sec. 2 Comment
  RSA418209  Baccharis douglasii F. R. Fosberg 1931-5-18 4906 Los Angeles Cottonwood Canyon near mouth Santa Catalina Island 30 Comment
  RSA0008315  Baccharis malibuensis Carl Wishner 1991-8-12 1993 Los Angeles Santa Monica Mountains, Malibu Creek drainage, known as Soka University, near former Spensley residence and Diamond X Ranch 244 Comment
  POM350401  Baccharis pilularis Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA656414  Baccharis pilularis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 678 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  UCR157902  Baccharis pilularis Robert J. Steers 2005-5-8 21 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  CHSC20910  Baccharis salicifolia Robert A. Schlising 1972-2-10 3010 Los Angeles Lopez Canyon, north of Pacoima. Comment
  RSA670167  Baccharis salicifolia Joseph M. Keefe 2001-3-19 31141 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  RSA799802  Baccharis salicifolia Pam De Vries 2013-4-3 7830 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  SD69580  Baccharis salicifolia Robert F. Thorne 1966-9-14 36671 Los Angeles Santa Catalina Island; along stream where Isthmus road crosses Cottonwood Creek. 29 Comment
  SFV6211  Baccharis salicifolia R. M. Muran 1974-2-2 7 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  UCR187000  Baccharis salicifolia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32228 Los Angeles Tehachapi Mtns. Foothills, near Oso Pumping Plant on the California Aqueduct, just below the Kern Co. line along the road to the pumping plant 939 Comment
  IRVC29660  Baccharis sarothroides Mark A. Elvin 2003-6-12 2947 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  LA31634  Bassia hyssopifolia Peter H. Raven; Henry J. Thompson 1959-9-6 14365 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 Comment
  SBBG128556  Beta vulgaris M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-15 2263 Los Angeles Cottonwood Cyn 33 Comment
  RSA423232  Beta vulgaris Edwin Kline 1924-6-10 s.n. Los Angeles Los Angeles. Comment
  CHSC118870  Bidens pilosa Daniel Gluesenkamp 2006-11-23 Los Angeles Fallbrook. 1524 Dickey St. in abandoned citrus orchard. 233 Comment
  RSA608596  Bidens pilosa L. C. Wheeler 1931-8-6 11 Los Angeles 2.5 miles NE of La Verne 412 Comment
  RSA155807  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA367445  Bloomeria crocea var. crocea Albert J. Perkins 1916-5-3 s.n. Los Angeles Lower end of Mt. Wilson Trail Comment
  RSA682648  Bougainvillea glabra LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1033 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  SDSU2287  Bowlesia incana R. M. Beauchamp 1967-3-18 273 Los Angeles On slopes of canyon below Lemon Tank, San Clemente Island. Comment
  RSA0082600  Boykinia rotundifolia R. G. Swinney 2010-8-30 13618 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  CATA394  Brachypodium distachyon Mark L. Hoefs, A. Douglas Propst 1974-5-10 463 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  RSA592401  Brachypodium distachyon Mark Hoefs, D. Propst 1974-5-10 463 Los Angeles Santa Catalina Island: lower Fern Canyon. 213 Comment
  UCR159956  Brassica fruticulosa Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 654 a Los Angeles San Gabriel Mtns, south side: Cobal Canyon, Claremont Hills Wilderness Park, at junction of main fire road and Thompson Creek 518 Comment
  RSA0119759  Brassica geniculata R. G. Swinney 2014-5-27 16670 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
  RSA482913  Brassica rapa Ora M. Clark 1929-1-13 1470 Los Angeles N of San Pedro. Comment
  POM304838  Brickellia californica Henry J. Ramsey, Henry J. Ramsey 1937-9-2 214 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA573716  Brickellia californica Timothy S. Ross 1990-8-17 3129 Los Angeles S side of Blue Ridge, 0.6 mi. E of Vincent Gap along the Angeles Crest Highway (Hwy 2) 2060 Comment
  SBBG66135  Brickellia californica R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  SBBG95459  Brickellia californica M. B. Dunkle 1928-10-17 2022 Los Angeles Howland's Comment
  RSA628555  Brickellia microphylla L. C. Wheeler 1967-8-25 10534 Los Angeles Angeles National Forest: near Reed Spring, South Fork Big Rock Creek, E side Mt. Williamson 1859 Comment
  RSA0035087  Brodiaea coronaria Harold L. Pirie 1963-5-21 s.n. Los Angeles Santa Monica Mts., off Topanga Cyn. Blvd. on Robinson Rd. (near Haines home). 274 Comment
  LA201531  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2001-4-11 4897 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  UCSB68609  Bromus arizonicus Gross, LeRoy 2002-4-13 Los Angeles Verdugo Mtns; at intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest (T2N R14W S36 NW1/4 of NW1/4) 579 Comment
  SEINET10900896  Bromus carinatus Hermann E. Hasse Hasse s.n. Los Angeles Comment
  RSA699569  Bromus carinatus var. carinatus LeRoy Gross, Paul Morton 2004-6-9 1352 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.) 1727 Comment
  UCD59094  Bromus carinatus var. marginatus G. L. Stebbins Jr. 1941-6-19 3143 Los Angeles On road from Big Pines resort to Smithsonian Observatory. 1981 Comment
  CATA1534  Bromus catharticus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2758 Los Angeles Santa Catalina Island: Just behind sandy beach, White's Landing 6 Comment
  POM363391  Bromus diandrus Freda Detmers 1929-4-14 s.n. Los Angeles [Santa] Catalina Island. Near mouth of Descanso Canyon. Comment
  POM363401  Bromus diandrus N. C. Cooper 1945-5-1 2216 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA624058  Bromus diandrus L. C. Wheeler 1967-5-23 9678 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  RSA658224  Bromus diandrus Naomi Zohman 1985-4-28 40 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  UCR203186  Bromus diandrus R. G. Swinney 2005-5-21 8268 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  SEINET10933827  Bromus grandis LeRoy R. Abrams 1902-6-29 Abrams 2600 Los Angeles Summit of Mt. Wilson. Comment
  CATA1737  Bromus hordeaceus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3120 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  LA105354  Bromus hordeaceus Barry A. Prigge; 1989-4-23 8424 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  POM363876  Bromus hordeaceus Robert Gustafson 1978-6-1 994 Los Angeles Off dirt road leading into Hungry Valley, ca. .3 mile west of the 2-lane Peace Valley Rd., west of Gorman. 1220 Comment
  UC1109358  Bromus hordeaceus Peter H. Raven 1962-5-8 17599 Los Angeles San Clemente Island, at s end of Seal Cove Seal Cove; San Clemente Island, Seal Cove 15 Comment
  UCR186879  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32042 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR270976  Bromus hordeaceus R. G. Swinney 2011-4-28 14530 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  RSA530060  Bromus inermis subsp. inermis Timothy S. Ross 1991-8-16 5846 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  UC519878  Bromus madritensis subsp. rubens Carl Epling April, 1931 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  UCR101213  Bromus pseudolaevipes Steve Boyd, Lauren Raz 1997-6-17 9943 Los Angeles Liebre Mountains region, Little Burnt Peak, at the divide b4tween the head of Fish and Burnt canyons, north of Burnt Peak and SE of Sawmill Mtn. summit. 1662 Comment
  UC1131273  Bromus tectorum A. Lewis 1933-4-23 190 Los Angeles 2 1/2 mi sw of Del Sur 853 Comment
  UCR191707  Bromus tectorum A. C. Sanders 2008-4-11 34868 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  SBBG31542  Cakile maritima R. M. Beauchamp 1967-3-19 324 Los Angeles West Cove Comment
  RSA733726  Calandrinia breweri R. G. Swinney 2000-5-6 7670 Los Angeles San Gabriel Mtns.: c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage. 732 Comment
  RSA592521  Calandrinia ciliata Mark L. Hoefs, Doug Propst 1973-3-3 24 Los Angeles Santa Catalina Island: East slope of Black Jack Mt. 366 Comment
  SEINET6034244  Calandrinia ciliata Louis Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR271865  Calocedrus decurrens R. G. Swinney 2011-6-23 15316 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  NY30086  Calocedrus decurrens T. S. Ross 1994-9-21 8319 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM157977  Calochortus catalinae M. B. Dunkle 1928-3-17 1752 Los Angeles Santa Catalina Island. Isthmus. 91 Comment
  SD112778  Calochortus catalinae darley F. Howe 1947-3-30 1553 Los Angeles Canyon in Santa Monica Mountains, near seacoast. Comment
  SBBG122014  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 749 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 585 Comment
  RSA228871  Calochortus invenustus Robert F. Thorne 1971-6-26 39981 Los Angeles Charlton flat Comment
  RSA671259  Calochortus kennedyi Robert Gustafson 1978-6-1 946 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  RSA587976  Calochortus kennedyi var. kennedyi J. Aug Kusche 1922-05 s.n. Los Angeles Hard clay or gravelly soil, Mohave Desert. Comment
  RSA68635  Calochortus plummerae Frank W. Peirson 1922-7-22 3213 Los Angeles San Antonio Canyon, Los Angeles-San Bernardino County line 1524 Comment
  RSA0051311  Calochortus venustus Allison D. Rudalevige, Jennifer S. Pareti, Sandra Leatherman, Sarah Thomas, Jordan Zylstra, Jason Mintzer 2014-4-24 ADR 7 Los Angeles Castaic area, west of Castaic Lake. 558 Comment
  SEINET12054001  Calochortus venustus J. F. Bright, Wyman, C. 1931-1 5265 Los Angeles San Fernando Valley Comment
  RSA736007  Calochortus weedii var. intermedius Scott D. White, Justin M. Wood 2008-6-4 12053 Los Angeles Skyline Dr. E of Hacienda Blvd. SCE corridor at proposed tower 42. 366 Comment
  UCR199749  Calochortus weedii var. intermedius Scott D. White, Justin Wood 2008-6-4 12056 Los Angeles Puente Hills, NW of Turnbull Canyon. SCE powerline corridor at tower 27 and adjacent access road 348 Comment
  UCR190367  Calyptridium monospermum R. G. Swinney, Cody Clarke 2001-6-20 7997 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  POM50662  Calystegia longipes A. D. E. Elmer 1902-07 3603 Los Angeles Acton, Mt. Gleason. San Gabriel Mountains Comment
  RSA0120156  Calystegia macrostegia R. G. Swinney 2014-5-27 16673 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
  RSA422196  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-2-18 396 Los Angeles San Clemente Island. Comment
  RSA526620  Calystegia macrostegia subsp. amplissima Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4210 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SBBG105391  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1976-5-22 4119 Los Angeles debris on N side of cyn below Lemon Tank Comment
  LA105389  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 8523 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
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Nov 11 2014
  RSA394907  Calystegia macrostegia subsp. intermedia Gale Sphon 1955-3-4 s.n. Los Angeles Mulholland Drive, Los Angeles. Comment
  UCR271059  Calystegia occidentalis subsp. fulcrata R. G. Swinney 2011-6-6 15006 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  SBBG19047  Calystegia purpurata D. Emery 1947-4-5 Los Angeles Griffith Park Comment
  JEPS53274  Camelina microcarpa Frank W. Peirson 1922-7-7 3181 Los Angeles San Gabriel Mountain, Swartout Valley, Rangers Cabin Swartout Valley; San Gabriel Mountain, , Rangers Cabin 1798 Comment
  UCR114733  Camissonia A. C. Sanders 1988-2-18 7688 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  SDSU8604  Camissonia H. Wedberg, T. Bruhns and B. Mastro 1967-5-20 1378 X Los Angeles 9.2 mi. from Hwy 138 on the road to Lake Huges and Palmdale (N2). Comment
  RSA75683  Camissonia boothii subsp. decorticans F. W. Peirson 1919-6-14 479 Los Angeles Rock Creek [Big?] 1524 Comment
  RSA659932  Camissonia campestris subsp. campestris Orlando Mistretta 1992-5-18 332 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA186643  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-5-14 17746 Los Angeles Grown at Claremont. Comment
  POM257262  Camissonia claviformis subsp. claviformis H. L. Mason 1926-4-27 3038 Los Angeles Rock Creek. Comment
  POM129363  Camissonia ignota P. A. Munz 1927-3-27 s.n. Los Angeles Thompson Creek Dam, 3 miles N. of Claremont. 427 Comment
  RSA791758  Camissonia micrantha J. George 2011-7-19 s.n. Los Angeles South Coast: Palos Verdes Estates, east of end of Via Tejon at Malaga Dune. 62 Comment
  UCR220249  Camissonia pallida R. G. Swinney 2009-4-28 10514 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR51040  Camissonia pallida A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7771 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  RSA729962  Camissonia pallida subsp. pallida R. G. Swinney 1999-4-5 7066 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East. 1207 Comment
  RSA188090  Camissonia robusta Robert F. Thorne, P. Everett 1965-6-23 34946 Los Angeles Santa Catalina Island: Ben Weston Beach, W side of island. Along dry sandy bed of stream behind beach. Comment
  RSA454095  Camissonia strigulosa Fay A. MacFadden 1931-3-15 42 -E Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SEINET13297610 Image available Camissonia strigulosa R. G. Swinney 2011-1 15288 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5' Q.) (T3N R11W S22) 1570 Comment
  UCR277554  Camissonia strigulosa Mitch Provance, Stephen Reynolds 2011-5-5 17212 Los Angeles San Gabriel Valley, City of San Gabriel, northwest of the intersection of Burton Ave. and E. Las Tunas Dr. 130 Comment
  SBBG60413  Camissoniopsis bistorta R. Hoffmann 1930-6-7 Los Angeles Elizabeth Lake Cyn Comment
  SFV16098  Camissoniopsis bistorta J. M. Kneitel 1995-4-28 45 Los Angeles San Gabriel Mountains Kagel Canyon. Dexter Park. 425 Comment
  UC73304  Camissoniopsis hirtella E. D. Palmer 1902-4 Los Angeles wash near Glendora Comment
  UC873865  Camissoniopsis hirtella I. W. Clokey and B. C. Templeton 1930-4-8 4642 Los Angeles San Francisquito Canyon 900 Comment
  SDSU3368  Camissoniopsis hirtella H. Wedberg 1958-6-28 308 Los Angeles On New Topanga Highway, 2.9 miles east of junction with Old Topanga road. Comment
  LA46797  Camissoniopsis intermedia Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UC874078  Camissoniopsis intermedia Ira W. Clokey, B. Templeton Apr. 1929 4458 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  SBBG38633  Camissoniopsis micrantha M. B. Dunkle 1939-4-6 7298 Los Angeles Mosquito Harbor Comment
  UC1537606  Camissoniopsis micrantha Gordon H. True Jr. 1935-4-19 244 Los Angeles s slope Lovejoy Butte 853 Comment
  UCD114161  Capsella bursa-pastoris Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains, 0.4 mile southwest of Big Cienega on ridge on south side of Big Dalton Canyon near mouth. 640 Comment
  LA51503  Cardamine californica O. H. Kappler; 1945-3-25 729 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido 228 Comment
  POM222249  Cardamine oligosperma L. C. Wheeler 1936-4-5 4083 Los Angeles San Dimas Canyon, San Gabriel Mts 670 Comment
  RSA0069438  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 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
  UCR219553  Carduus pycnocephalus R. G. Swinney 2009-3-31 10221 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  RSA654593  Carduus pycnocephalus Scott Lowe 1991-5-12 33 Los Angeles San Gabriel River channel, about 400 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  SEINET7549334 Image available Carex alma Louis C. Wheeler 1946-5-19 6223 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  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
  JEPS48985  Carex heteroneura var. heteroneura F. R. Fosberg and J. A. Ewan 1931-8-12 4972 Los Angeles Mount Islip 2286 Comment
  UCR192849  Carex multicaulis R. G. Swinney 1998-7-6 6292 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  SEINET8055536 Image available Carex multicaulis G. B. Grant, W. Wheeler 1904-1 138 ; 6223 Los Angeles Mount Wilson Comment
  CAS-BOT-BC118425  Carex praegracilis Joseph Andorfer Ewan 1932-4-30 7447 Los Angeles Pacific Electric Ry. Bridge, Culver City. Comment
  POM222224  Carex schottii L. C. Wheeler 1936-6-21 4169 Los Angeles W Fork Palmer Canyon 640 Comment
  SDSU11665  Carex scopulorum F. J. Hermann 1947-3-3 1770 Los Angeles Stream bed in Topango Canyon about three miles from ocean Comment
  UCR200156  Carex spissa Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 814 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  RSA729428  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  SEINET8573593 Image available Carex subfusca P. Zika, Otting, N 2010-1 25257 Los Angeles Comment
  UC534843  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  CAS-BOT-BC115648  Carex triquetra Fay A. Mac Fadden 1929-4-1 2515 Los Angeles La Tuna Canyon, Verdugo Hills. Comment
  UCR152548  Carissa grandiflora A. C. Sanders, Lee Jones 2005-4-8 29349 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA604513  Castilleja affinis Sara L. Crockett, Sheila Schueller 1997-3-8 561 Los Angeles Santa Catalina Island. Point overlooking Cottowood Beach. 79 Comment
  SD90287  Castilleja affinis Robert F. Thorne 1970-3-5 39350 Los Angeles Santa Catalina Island; NE slope of Blackjack Mt., at upper end of Swain's Canyon 395 Comment
  LA52002  Castilleja affinis M. Hilend; 1930-4-10 s.n. Los Angeles SANTA MONICA MOUNTAINS, Westwood Hills. Comment
  JEPS23681  Castilleja affinis subsp. affinis Peter H. Raven 1959-3-15 13953 Los Angeles just e Zuma Beach; Santa Monica Mountains, Point Dume 24 Comment
  RSA448681  Castilleja applegatei subsp. martinii Robin S. Collins 1973-5-15 293 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Cyn. 610 Comment
  RSA592815  Castilleja applegatei subsp. martinii Steve D. Boyd 1996-4-24 8667 Los Angeles Liebre Mountains, Liebre Gulch along Forest Service Road 8N01 near jtn with 8N05. 988 Comment
  RSA660508  Castilleja applegatei subsp. martinii Gerald Braden, Lori Ackerman 1988-5-19 27 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA733159  Castilleja applegatei subsp. martinii R. G. Swinney 1997-6-13 5592 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  RSA81469  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millard's Canyon, south base of San Gabriel Mts. Comment
  UC1408948  Castilleja applegatei subsp. martinii Donald R. Bissing 1973-4-6 36 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 762 Comment
  UC1611562  Castilleja applegatei subsp. martinii Tim Ross, Orlando Mistretta, Alex Quici 1990-6-28 3990 Los Angeles s and sw of Liebre Mtn., West Summit, and ridge to its west ((West Summit here construed as the 5605 ft knoll near the intersection of sections 3,4,9.10)); Liebre Mountains, Liebre Mtn. 7.5' U.S.G.S. Quad. 1389 Comment
  POM175423  Castilleja applegatei subsp. martinii Joseph A. Ewan 1930-6-24 2700 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains 1982 Comment
  RSA638232  Castilleja applegatei subsp. martinii Louis C. Wheeler 1967-9-4 10652 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  UCR155369  Castilleja exserta A. C. Sanders 2005-5-11 30125 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  OBI49271  Castilleja exserta Alice R. Hinde 1884-1 s.n. Los Angeles Anaheim Comment
  RSA592310  Castilleja exserta subsp. exserta Louis C. Wheeler 1967-5-13 9514 Los Angeles San Gabriel Mountains. West side of Little Dalton Canyon, Glendora Mt. Road. 480 Comment
  LA94869  Castilleja exserta subsp. venusta K. Larson; J. Neel 1950-4-15 1 .4 Los Angeles 2 mi. SE of intersection of Mulholland Drive and Beverly Glen Blvd Comment
  JEPS86561  Castilleja foliolosa Roy E. Buck 1988-5-25 905 Los Angeles 0.3 rd mi n Three Points (e side of Three Points road, 0.6 air km ne of confluence of Oakdale Canyon and Pratt Canyon drainages, 26 air km n of Castaic) 1036 Comment
  OBI49249  Castilleja foliolosa Unknown 1882-2-25 2827 Los Angeles Pasadena Comment
  RSA578107  Castilleja foliolosa Tim S. Ross, Steve D. Boyd 1994-5-31 7693 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  SBBG95472  Castilleja foliolosa M. B. Dunkle 1929-3-3 2058 Los Angeles Hamilton Cyn Comment
  RSA585946  Castilleja gleasoni Tim S. Ross, S. D. Boyd 1990-5-23 2629 Los Angeles Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1456 Comment
  OBI35971  Castilleja linariifolia J. & B. Semple, B. Semple 1981-8-14 s.n. Los Angeles E. of Kratka Ridge, along crk 2134 Comment
  SEINET3079752 Image available Castilleja pinetorum Mary V. Hood 1945-5-1 C- 2217 Los Angeles Tapia Park Area, Santa Monica Mountains. 300 Comment
  SD215668  Castilleja subinclusa subsp. subinclusa Steve Boyd, Timothy S. Ross 1997-3-21 9229 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon 1195 Comment
  OBI2651  Caulanthus amplexicaulis Wesley O. Griesel 1961-6-16 s.n. Los Angeles Dawson Saddle, San Gabriel Mts Comment
  SBBG45542  Caulanthus coulteri Leota Davidson 1966-3-19 Los Angeles ca. 1 mi back from head of Tick Cyn off Soledad Cyn Rd 609 Comment
  UC56736  Caulanthus coulteri H. M. Hall May 1-3, 1902 3060 Los Angeles vicinity Elizabeth Lake; Antelope Valley, vicinity Elizabeth Lake 1066 Comment
  SD247376  Caulanthus coulteri var. coulteri Mitch Provance, Callen Huff 2009-4-29 10690 Los Angeles Tehachapi Mountains: Tejon Ranch, south of Lebec, lower slope above Interstate 5, ca. 0.7 mile east of Gorman. 1230 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
  CAS-BOT-BC40210  Caulanthus lasiophyllus Peter H. Raven 1956-6-17 9420 Los Angeles Santa Monica Mountains. Northwest of Sunset Boulevard at Sepulveda Boulevard. Comment
  RSA0084171  Caulanthus lasiophyllus D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4255 Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. & 1.61km N of Plum Cyn. 482 Comment
  CAS-BOT-BC47917  Ceanothus arboreus George B. Grant; Walter Wheeler 1904-4-21 6146 Los Angeles Santa Catalina Island Comment
  UCR190913  Ceanothus cordulatus R. G. Swinney 1998-7-2 6251 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CAS-BOT-BC48734  Ceanothus crassifolius Philip A. Munz 1925-4-23 9445 Los Angeles San Gabriel Canyon 487 Comment
  POM305312  Ceanothus crassifolius Henry J. Ramsey 1937-3-22 632 Los Angeles Sunland Comment
  OBI36778  Ceanothus cuneatus David J. Keil 1980-3-27 13746 Los Angeles 1 mi E of Ridge rte on Pine cyn rd (LA county rd N-2) 1189 Comment
  CHSC100413  Ceanothus cuneatus var. cuneatus John Dittes; Josephine Guardino 2008-2-20 1499 Los Angeles Western Transverse Ranges; Santa Monica Mountains; Malibu Canyon; downslope of Malibu Canyon Road; ca. 2.7 air-miles NE of Malibu Lagoon State Beach, ca. 1.0 air-mile south of intersection of Malibu Canyon Road and Piuma Road; just south of road tunnel. 123 Comment
  UCR229144  Ceanothus greggii Dan S. Cooper 2011-5-5 511- 61 Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  CAS-BOT-BC167242  Ceanothus leucodermis Wayne Law; Jun Hu 2000-4-30 03 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. First dirt road on left immediately after Millard campground 823 Comment
  CAS-BOT-BC50565  Ceanothus leucodermis Geo. B. Grant 1901-5-23 s.n. Los Angeles Alpine Tavern, Mt. Lowe Comment
  POM156327  Ceanothus leucodermis L. R. Abrams 1902-7-1 2609 Los Angeles Near summit of Mt. Wilson 1738 Comment
  RSA279055  Ceanothus leucodermis Robert F. Thorne 1971-4-23 41463 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  RSA399748  Ceanothus leucodermis Louis C. Wheeler 1932-4-16 637 Los Angeles W side Santa Anita Canyon, San Gabriel Mountains. 854 Comment
  RSA584952  Ceanothus leucodermis Tim S. Ross, S. D. Boyd 1991-4-25 4607 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  CHSC35458  Ceanothus megacarpus subsp. insularis James Henrickson 1973-1-1 8121 Los Angeles Santa Catalina Island, 2 air miles WNW of Avalon. Comment
  CAS-BOT-BC32699  Ceanothus oblanceolatus Mrs. W. W. Hutchinson 1921-5-1 3412 Los Angeles Bouquet Canyon Comment
  UCR3985  Ceanothus oliganthus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  RSA602342  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  SEINET3837095 Image available Ceanothus ramulosus Leila M. Shultz 1981-4-10 Los Angeles Rancho Santa Ana botanic garden, Claremont, cultivated, native plants, etc. 305 Comment
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Oct 6 2015
  RSA0048478  Ceanothus thyrsiflorus Geo. E. Julian 1963-3-6 s.n. Los Angeles Kellogg Hill, Cal Poly. Comment
  RSA772394  Centaurea melitensis R. G. Swinney 2009-5-8 10697 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  LA34840  Centaurea melitensis Mary V. Hood; 1937-1 37 30 - Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  RSA202451  Centaurea repens R. L. Armacost 1960-9-27 1336 Los Angeles Santa Monica, alley near Washington Comment
  POM21357  Centaurium venustum Fordyce Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena. 457 Comment
  SBBG60910  Centromadia pungens subsp. pungens R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  RSA252953  Centrostegia thurberi Robert F. Thorne 1973-4-24 43427 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA252899  Centrostegia thurberi Robert F. Thorne 1973-5-11 43555 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  JEPS57815  Centrostegia thurberi var. thurberi Frank W. Peirson 1918-6-16 27 Los Angeles San Gabriel Mountains, Rock Creek Rock Creek; San Gabriel Mountains, Rock Creek 1447 Comment
  RSA756629  Cerastium glomeratum Orlando Mistretta, Christine Mistretta 2008-4-19 2489 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  OBI70996  Cercocarpus betuloides Larry Kelly, David J. Keil 1989-4-21 358 Los Angeles San Gabriel Mts. 2-3 mi SE of Valeyrmo along Ft. Tejon rd Comment
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Aug 4 2014
  POM177975  Cercocarpus betuloides J. Ewan 1931-3-21 4056 Los Angeles Lower part of Los Flores Canyon. Comment
  POM603  Cercocarpus betuloides Arthur M Cleghorn s.n. Los Angeles Claremont. 366 Comment
  UCR223255  Cercocarpus betuloides R. G. Swinney 2009-5-20 10835 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223542  Cercocarpus betuloides R. G. Swinney 2009-6-2 11003 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC142171  Cercocarpus betuloides var. betuloides Le Roy Abrams 1901-4-13 1522 Los Angeles Sierra Madre Mts., Wilson's Trail Comment
  RSA453283  Cercocarpus betuloides var. betuloides Fordyce Griffiths Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA549802  Cercocarpus betuloides var. betuloides Wandalee Thompson 1964-4-18 27 Los Angeles Thompson Ranch Fire Road, 20660 West Pine Canyon Rd., 7 miles west of Lake Elizabeth. 1128 Comment
  UC535046  Cercocarpus betuloides var. betuloides Victor Duran 1933-8-10 3544 Los Angeles South Fork Big Rock Creek; San Gabriel Mountains, South Fork Big Rock Creek 1394 Comment
  POM219987  Cercocarpus betuloides var. blancheae F. R. Fosberg 1932-5-7 5159 Los Angeles Santa Catalina Island. Grand Canyon below Upper Falls. 130 Comment
  RSA199158  Cercocarpus betuloides var. blancheae Robert F. Thorne 1968-5-29 37693 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 396 Comment
  SBBG2896  Cercocarpus betuloides var. blancheae H. and M. Dearing 1938-5-22 1943 Los Angeles Decker Cyn Comment
  SBBG32125  Cercocarpus betuloides var. blancheae R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -184 Los Angeles upper E branch of Wild Boar Gully, Salta Verde Comment
  POM8572A  Chaenactis artemisiifolia Philip A. Munz, R. D. Harwood 1920-4-21 3706 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UC457211  Chaenactis artemisiifolia Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA93811  Chaenactis fremontii F. W. Peirson 1930-5-30 8905 Los Angeles 1 miles N of Llano Comment
  UCR101685  Chaenactis glabriuscula B. G. Pitzer 1998-5-23 3738 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  SFV3809  Chaenactis glabriuscula P. M. Kennamer 1959-5-25 s. n. Los Angeles San Fernando Valley Pacoima. Near corner of Herrick Street and Park Avenue. On south side of Herrick Street, 100 feet from Park Avenue. 305 Comment
  RSA597271  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, Steve Boyd 1990-6-18 3516 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  JEPS22775  Chaenactis santolinoides Rimo Bacigalupi with Reino Alava 1958-7-20 6432 Los Angeles in scree just w of Dawson Saddle (just s of Mt. Lewis, along Angeles Crest Highway (State Highway 2), above headwaters of South Fork of Big Rock Creek, San Gabriel Mountains); San Gabriel Mountains, South Fork of Big Rock Creek, Mt. Lew 2429 Comment
  POM175384  Chaenactis santolinoides West 1930-7-12 s.n. Los Angeles Near north Baldy Peak. Comment
  RSA0106775  Chaenactis stevioides R. G. Swinney 2011-5-31 14929 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCR252876  Chaenactis stevioides R. G. Swinney 2010-5-11 12661 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  SBBG65621  Chaenactis xantiana R. Hoffmann 1929-5-21 Los Angeles Lake Hughes Comment
  RSA121186  Chaenactis xantiana A. D. Gifford 1935-3-31 531 Los Angeles 5.6 miles NW of Redrock Mtn, Tejon, 1280 Comment
  CAS-BOT-BC26672  Chaetopappa lyonii William S. Lyon 1884-1-1 685 Los Angeles Palos Verdes Mt. (near San Pedro) Comment
  RSA599305  Chamaesyce albomarginata L. C. Wheeler 1953-10-15 7053 Los Angeles Los Angeles. El Sereno district. Comment
  LA38816  Chamaesyce polycarpa Peter H. Raven; Henry J. Thompson 1959-10-4 14567 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  RSA639152  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: San Gabriel Canyon just northwest of San Gabriel Dam #1. Comment
  CAS-BOT-BC166008  Chamerion angustifolium subsp. circumvagum R. F. Thorne; M. Z. Thorne 1969-7-10 38349 Los Angeles San Gabriel Mts., Angeles National Forest: along Angeles Crest Hwy., 1.1 mile NE of Pine Hollow Picnic Ground 2133 Comment
  RSA640938  Cheilanthes covillei L. C. Wheeler 1967-8-9 10407 Los Angeles San Gabriel Mts., Angeles National Forest: SE side Mt. Waterman, headwaters of Little Bear Creek 2286 Comment
  RSA685695  Cheilanthes covillei T. R. Pray 1962-5-7 1896 Los Angeles Crystal Lake Road vbelow Soldier Creek crossing Comment
  NY185211  Cheiranthus suffrutescens L. Abrams 1902-6-10 2511 Los Angeles Playa del Rey Comment
  RSA747337  Chenopodium R. G. Swinney 2005-8-5 8393 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  LA50753  Chenopodium ambrosioides A. M. Johnson; 1934-9-15 4534 Los Angeles 15 Comment
  UCR271797  Chenopodium berlandieri R. G. Swinney 2010-3-24 12042 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA64792  Chenopodium botrys L. C. Wheeler 1933-8-20 2086 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mountains. 305 Comment
  SD75654  Chenopodium californicum M. B. Dunkle 1939-4-6 7134 Los Angeles San Clemente Island; Mosquito Ridge. Comment
  RSA478496  Chenopodium californicum M. B. Dunkle 1939-4-2 7202 Los Angeles San Clemente Island, southeast point. Comment
  RSA729382  Chenopodium fremontii R. G. Swinney 1998-7-14 6457 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  UCR272917  Chenopodium macrospermum Steven A. Junak 2000-10-12 SCa- 1411 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  LA200366  Chenopodium multifidum Jonathan Sauer; D Caretto 1971-5-7 4911 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  RSA233617  Chenopodium murale R. F. Thorne 1970-3-6 39404 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  SD38029  Chenopodium murale Edith A. Purer 1931-3-6 1541 Los Angeles In fields Comment
  RSA606040  Chenopodium rubrum L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Barrel Springs. 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
  NY468363  Chorizanthe parryi var. fernandina A. Eastwood 1913-5-11 3139 Los Angeles San Fernando Wash Comment
  UCR205073  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  JEPS108295  Chorizanthe spinosa David Gowen 2005-5-21 352 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th St. West. Comment
  RSA612107  Chorizanthe spinosa Steve Boyd, Kent Hughes 1998-5-5 10182 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  RSA226108  Chorizanthe staticoides Robert F. Thorne, C. W. Tilforth 1971-6-17 39913 -b Los Angeles 1 mile up Placerita Canyon from junction with Antelope Valley Freeway, W end of San Gabriel Mountains 488 Comment
  UCSB1349  Chorizanthe staticoides Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi from 101 Comment
  SEINET11929221  Chorizanthe staticoides I. W. Clokey, Templeton, B. 1929-1 4491 Los Angeles Mandeville Canyon, Santa Monica Mountains 250 Comment
  CLARK-A1528-1763  Chrysanthemum coronarium Alfred R. Roos 1955-5-7 Los Angeles El Segundo Comment
  RSA713911  Chrysanthemum parthenium R. E. Riefner 2006-6-12 06 -237 Los Angeles Verdugo Mountains, N side of 210 Freeway, W ca. 0.6 mi from La Tuna Canyon Rd. exit. 488 Comment
  POM351944  Chrysothamnus nauseosus subsp. bernardinus Fordyce Grinnell Jr. 1915-9-4 3117 Los Angeles Above Arroyo Seco-West Fork Divide. Comment
  RSA573702  Chrysothamnus nauseosus subsp. bernardinus Timothy S. Ross 1990-8-17 3160 Los Angeles Road crossing the drainage just below Icy Springs, In upper Big Rock Creek. 1737 Comment
  RSA718069  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 1997-8-19 5810 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA586176  Chrysothamnus nauseosus subsp. hololeucus Orlando Mistretta 1995-10-2 1938 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  SD30676  Cichorium intybus Edith A. Purer 1931-5-8 Los Angeles Roadside, Los Angeles. Comment
  CAS-BOT-BC284435  Cirsium brevistylum Geo. B. Grant 1901-6-23 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC280028  Cirsium mohavense S. B. Parish; W. F. Parish 1882-5-1 1261 Los Angeles Warm Springs, Mojave Desert Comment
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Sep 10 2019
  RSA0116810  Cirsium occidentale R. G. Swinney 2011-6-7 15098 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  LA94415  Cirsium occidentale var. californicum Norman A. Cole; May 1964 361 Los Angeles 579 Comment
  RSA0066516  Cirsium occidentale var. californicum Robin S. Collins 1973-5-28 307 Los Angeles Angeles National Forest, San Gabriel Mts.: Trail Canyon, 1/2-1 miles into canyon from beginning of pack trail. 609 Comment
  CAS-BOT-BC285597  Cirsium occidentale var. occidentale Alice Eastwood 1919-6-21 9062 Los Angeles San Fernando Comment
  CAS-BOT-BC292695  Cirsium occidentale var. venustum Peter H. Raven 1956-7-8 9666 Los Angeles Ridge just west of University of California campus, Santa Monica Mts. Comment
  UC68895  Cirsium occidentale var. venustum H. M. Hall 1905-6-1 6257 Los Angeles Elizabeth Lake Comment
  RSA599854  Cistanthe monandra Steve Boyd, Lauren Raz 1997-5-6 9770 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 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
  RSA466591  Cistanthe monandra Anstruther Davidson 1890-3-24 s.n. Los Angeles Near Reservoir at river. Comment
  RSA587521  Cistanthe monandra Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1095 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  CAS-BOT-BC228706  Cistanthe umbellata LeRoy Abrams 1901-7-1 1936 Los Angeles Mt San Antonio 3048 Comment
  RSA0013596  Cistus creticus Orlando Mistretta, Christine Mistretta 2011-6-29 5777 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, E of summit. 1762 Comment
  SDSU8635  Clarkia bottae D. F. Howe 1949-5-29 1983 Los Angeles Santa Monica Mts. 274 Comment
  RSA448254  Clarkia cylindrica subsp. cylindrica Geo. L. Moxley 1915-5-31 341 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  UC373503  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mi n Newhall Tunnel 500 Comment
  SD58301  Clarkia deflexa Peter Kamb 1948-6-26 1132 Los Angeles South side of Pacoima Canyon near Ant Canyon, San Gabriel Mountains. 730 Comment
  POM153230  Clarkia epilobioides C. L. Hitchcock 1928-5-3 48 Los Angeles Santa Monica Mountains, Santa Anita canyon. 61 Comment
  POM181837  Clarkia heterandra C. L. Hitchcock 1928-5-27 s.n. Los Angeles 8 miles west of Elizabeth Lake 1000 Comment
  SBBG60315  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  RSA430216  Clarkia purpurea subsp. quadrivulnera Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mountains, Rd N3 at mile marker 20.28, vicinity of Hidden Springs, Angeles National Forest. Comment
  POM178026  Clarkia purpurea subsp. quadrivulnera Joseph A. Ewan 1931-5-16 4218 Los Angeles West Fork Garaoito Creek. 351 Comment
  RSA772202  Clarkia rhomboidea R. G. Swinney 2009-5-27 10868 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  IRVC26340  Clarkia speciosa A. C. Sanders 2003-4-16 26023 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  CAS-BOT-BC165507  Clarkia unguiculata Peter H. Raven; H. L. Wedberg 1957-6-15 10916 Los Angeles Latigo Canyon 3.0 miles n. of Newton Canyon Road, Santa Monica Mts. Comment
  CAS-BOT-BC165511  Clarkia unguiculata Peter H. Raven 1959-5-3 14074 Los Angeles Mulholland Drive near head of Franklin Canyon 381 Comment
  SFV20823  Claytonia parviflora subsp. parviflora L. Gross, N. Fraga 2002-4-4 513 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 532 Comment
  UCR189725  Claytonia parviflora subsp. viridis R. G. Swinney 1998-7-21 6470 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA729104  Claytonia perfoliata R. G. Swinney, D. W. Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  UCR205598  Claytonia perfoliata R. G. Swinney 2008-5-13 8865 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA0095316  Claytonia perfoliata subsp. mexicana Richard G. Swinney 2011-6-6 14990 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA592146  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1967-4-30 9197 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  UC729793  Claytonia perfoliata subsp. mexicana Carl B. Wolf 1932-5-11 Los Angeles above road Fourth of July Cove; Santa Catalina Island 30 Comment
  RSA117690  Claytonia perfoliata subsp. mexicana S. Tillett 1956-3-18 427 Los Angeles 1 mile up mouth of Cobal Canyon, N end of Mills Ave., Claremont, then along stream bed 1/4 mile after road turns up hill; stream turns right then left. Comment
  RSA187821  Claytonia perfoliata subsp. mexicana R. F. Thorne 1966-4-7 35963 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley 61 Comment
  RSA659575  Claytonia perfoliata subsp. perfoliata Brian McColgan 1988-5-19 25 Los Angeles Evey Canyon. 1 mile N of Padua on Mt. Baldy Rd. 915 Comment
  POM346601  Clematis lasiantha Barry Burnell 1969-5-22 140 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  CATA3198  Clematis ligusticifolia Julie L. King 2016-11-15 17 Los Angeles Santa Catalina Island: Upper Cottonwood Rd., where drainage crosses the road by the Mexican fan palm, about 1.15 road miles from junction with Blackjack Road 267 Comment
  SEINET13297619 Image available Clematis ligusticifolia R. G. Swinney 2011-1 15937 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  POM220649  Clematis pauciflora Louis C. Wheeler 1932-6-27 881 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains. 412 Comment
  UCR189675  Clematis pauciflora R. G. Swinney 1990-3-23 1548 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  RSA650756  Cleome isomeris Eleanor McClung 1937-3-14 20 Los Angeles Palos Verdes Comment
  CAS-BOT-BC423109  Cleomella obtusifolia Ernest C. Twisselmann 1965-5-5 10703 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line, (Edwards Air Force Base). 746 Comment
  SD28090  Cleomella obtusifolia Carl B. Wolf 1932-9-15 4086 Los Angeles Antelope Valley; 2 blocks west of center of town of Lancaster. 719 Comment
  UC11110  Cleomella obtusifolia J. Burtt Davy May 9 1896-May 24 1896 2274 Los Angeles Lancaster Antelope Valley Comment
  UCR52313  Cnicus benedictus A. C. Sanders, B. Pitzer, B. L. Phillips, C. Sylber 1988-7-6 7987 Los Angeles Mojave Desert, SW part of the city of Lancaster, [Quartz Hill] east side of 40th Street West at Ave. L-6 747 Comment
  RSA599626  Collinsia bartsiifolia var. davidsonii Steve D. Boyd, Lauren Raz 1997-4-16 9520 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UC56205  Collinsia bartsiifolia var. davidsonii H. M. Hall May 1 1902-May 3 1902 3062 a Los Angeles vicinity of Elizabeth Lake; Antelope Valley 1066 Comment
  LA52026  Collinsia heterophylla Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  LA85583  Collinsia heterophylla Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, S of Tapia Ranch County Park. Comment
  PASA1015  Collinsia heterophylla Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA616266  Collinsia heterophylla Scott D. White 1998-5-15 6497 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  RSA714879  Collinsia heterophylla A. C. Sanders, Mark A. Elvin 2003-4-14 25977 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 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
  UCD123596  Collinsia heterophylla Daryl Koutnik 1978-4-28 433 Los Angeles Fireroad north of Mulholland Highway and northwest of Saddle Rock. 609 Comment
  UCR184115  Collinsia heterophylla A. C. Sanders, T. B. Salvato 2007-4-24 33505 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  POM175340  Collinsia heterophylla E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  UC885545  Collinsia heterophylla I. W. Clokey, E. G. Anderson 1935-5-9 6872 Los Angeles Pomona Hills Comment
  CAS-BOT-BC240946  Collinsia parryi Louis C. Wheeler 1934-4-6 2504 Los Angeles San Dimas Canyon 1/4 mi. above Dam, San Gabriel Mts. 426 Comment
  RSA0117346  Collinsia parryi A. C. Life 1921-4-3 15731 Los Angeles Pacoima Canyon. Comment
  RSA0117355  Collinsia parryi R. S. Woglum 1932-4-9 s.n. Los Angeles Mojave Desert: Palmdale. Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR190813  Collinsia torreyi R. G. Swinney 1999-7-5 7515 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
  RSA641689  Collinsia torreyi var. wrightii Orlando Mistretta 1993-6-2 861 Los Angeles San Gabriel Mountains: Near Vincent Gulch. 2091 Comment
  SBBG107236  Constancea nevinii J. Rebman, J. Dunn 1996-4-29 3112 Los Angeles between Eel Cove and Eel Cove Cyn 50 Comment
  SD66845  Constancea nevinii R. Mitchel Beauchamp 1967-3-20 352 Los Angeles On cliff above beach road between Avalon and Abalone Point. Comment
  SDSU4109  Constancea nevinii unknown 1940-5-20 3127 Los Angeles Catalina Island. Comment
  UC483206  Constancea nevinii L. R. Abrams and I. L. Wiggins 1931-7-6 378 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  RSA394861  Convolvulus simulans Albert J. Perkins 1913-5-18 s.n. Los Angeles Point Fermin. Comment
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Mar 26 2014
  POM4074  Conyza bonariensis D. L. Crawford 548 Los Angeles Claremont. Comment
  UCR190790  Conyza floribunda R. G. Swinney 2001-4-17 7872 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon debris basin 351 Comment
  POM4480  Cordylanthus rigidus subsp. setiger C. F. Baker 1903-8-2 3655 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA550032  Coreopsis bigelovii Walter Wisura, E. Roeder 1992-4-21 4692 Los Angeles Fort Tejon Rd. just W of 233rd St. Comment
  RSA660075  Coreopsis bigelovii Orlando Mistretta 1992-5-25 419 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  CAS-BOT-BC287862  Coreopsis californica Ira L. Wiggins 1966-4-15 20590 Los Angeles Immediately E of JFL Motel, Pearblossom, Mojave Desert Comment
  UCD130996  Coreopsis californica Tom Gordon 1974-4-27 209 Los Angeles Antelope Valley. 165 St. E. T 8 Ave. Comment
  LA212211  Coreopsis douglasii Louis C. Wheeler; 1933-4-16 1646 Los Angeles SAN GABRIEL MOUNTAINS, Live Oak Canyon 426 Comment
  JEPS42527  Coreopsis gigantea Peter H. Raven 1960-3-15 13852 Los Angeles Point Dume Santa Monica Mountains 22 Comment
  POM356028  Coreopsis gigantea Gale Sphon 1955-4-12 s.n. Los Angeles Sandy, beach area, Point Dume Comment
  LA84348  Coreopsis gigantea Peter H. Raven; 1960-3-15 13852 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  POM356130  Corethrogyne filaginifolia Wm Martin 1971-8-25 s.n. Los Angeles On the road to Saddle Peak, Santa Monica Mountains. Comment
  RSA643165  Corethrogyne filaginifolia Orlando Mistretta 1994-5-13 1202 -a Los Angeles San Gabriel Mountains: Little Rock Creek Management Section; Little Rock Section. Comment
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Jan 20 2015
  UC101087  Corethrogyne filaginifolia H. M. Hall 1905-7-1 6723 Los Angeles near Redondo Comment
  UC178859  Corethrogyne filaginifolia Katharine Brandegee Los Angeles Ravenna Comment
  CAS-BOT-BC212115  Cornus sericea Geo. B. Grant 1901-1-1 217 Los Angeles Oak Knoll, Pasadena Comment
  UCD59803  Cortaderia selloana Milton D. Miller 1961-10-11 s. n. Los Angeles 5 miles ESE of Gorman, along Hwy. 138. Comment
  RSA675820  Crassula connata LeRoy Gross 2003-3-7 771 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  SBBG37879  Crassula connata R. Moran 1941-2-19 568 Los Angeles Middle Ranch Comment
  CAS-BOT-BC427962  Crassula tillaea Steve Boyd 2003-1-17 10442 Los Angeles Los Angeles Basin region: Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  RSA604602  Crassula tillaea L. C. Wheeler 1962-3-25 7988 Los Angeles Azusa: San Gabriel Wash at Foothill Blvd., east side. Comment
  RSA624462  Crassula tillaea L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon. 373 Comment
  RSA187692  Cressa truxillensis R. F. Thorne 1966-9-14 36665 Los Angeles Grassy weedy, sunny flat area behind dunes and salina at Little Harbor. 5 Comment
  UC729525  Crocanthemum scoparium var. vulgare Carl B. Wolf 1932-5-13 Los Angeles 3.5 mi (by road) from Avalon (on way to isthmus, s of largest reservoir); Santa Catalina Island 365 Comment
  CATA1475  Crossosoma californicum Mark L. Hoefs, Robert F. Thorne 1996-4-6 2670 Los Angeles Santa Catalina Island: Old Bird Park, Avalon Canyon 103 Comment
  CATA1592  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Santa Catalina Island: Open East ridge of Avalon 91 Comment
  SD69590  Crossosoma californicum Robert F. Thorne, P. Everett 1965-5-11 34632 Los Angeles Santa Catalina Island 89 Comment
  CATA1682  Croton setiger Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2974 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  UCD142132  Croton setiger L. Neuenschwander 1970-8-20 50 Los Angeles 1/8 mi. from CSCLA near Circle Dr. and jct. of Long Beach and San Bernardino Fwys. 152 Comment
  RSA594302  Crypsis schoenoides Steve Boyd, Lauren Raz 1996-10-14 9068 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA0070191  Cryptantha barbigera var. barbigera LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6950 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
  UC1601672  Cryptantha cinerea var. abortiva P. A. Munz 1923-4-9 6661 Los Angeles e coast of San Clemente Island San Clemente Island Comment
  UCR193576  Cryptantha circumscissa R. G. Swinney 1999-4-5 7060 A Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  SD241776  Cryptantha echinella R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd., and to 1/2 mi. NW up ridge. 1435 Comment
  JEPS67675  Cryptantha intermedia Frank W. Peirson 1919-5-10 402 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  RSA654078  Cryptantha intermedia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 741 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. 426 Comment
  RSA675964  Cryptantha intermedia LeRoy Gross 2003-3-9 811 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  RSA697057  Cryptantha intermedia LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1064 Los Angeles 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. 543 Comment
  SD217245  Cryptantha intermedia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4382 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  SFV21065  Cryptantha intermedia L. Gross 2001-5-6 382 Los Angeles Verdugo Mountains Along trail that comes up from Morning Glow Way off of La Tuna Canyon Road in city of Sun Valley. Comment
  RSA0116514  Cryptantha juniperensis A. C. Sanders, Helen Kennedy 2005-4-13 29418 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  CATA467  Cryptantha maritima Sara L. Crockett, Steve Junak 1997-3-27 609 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  POM3951  Cryptantha microstachys C. F. Baker 1903-9-20 3698 Los Angeles San Antonio Canyon near Claremont. Comment
  SBBG133651  Cryptantha microstachys L. Gross, P. DeVries, O. Gasser 2015-4-7 6964 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  RSA678774  Cryptantha microstachys Valerie Soza, LeRoy Gross 2002-5-8 1453 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  UCR147283  Cryptantha muricata Orlando Mistretta 1992-8-20 773 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  SEINET12280866  Cryptantha muricata E. A. Purer 1935-1 6553 Los Angeles Malibou Road, Santa Monica Mountains Comment
  SEINET6088096  Cryptantha muricata Louis C. Wheeler 1967-5-23 9692 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA0013163  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2011-6-11 5683 Los Angeles 0.32 miles S of Aliso Canyon Rd. and Southern California Edison transmission line Corridor, 3.05 miles NW of intersection of Aliso Cyn Rd. and Angeles Forest Hwy. 1068 Comment
  RSA0082881  Cryptantha oxygona R. G. Swinney 2010-5-19 12775 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
  SBBG12469  Cryptantha oxygona E. R. Blakley 1958-5-9 2258 Los Angeles hills 2 mi E of Gorman 1097 Comment
  SEINET3083596 Image available Cryptantha pterocarya J. Harry Lehr 1971-4-12 328 Los Angeles North side Rt. 138, 7.1 mi. east of Pear Blossom. Comment
  RSA0078946  Cryptantha pterocarya var. pterocarya Roy R. Snelling 1977-4-18 5 Los Angeles 2 miles south of Pearblossom 1066 Comment
  UCR89459  Cryptantha similis T. S. Ross, Steve Boyd, L. Arnseth 1991-4-30 4970 Los Angeles San Gabriel Mtns., Soledad Canyon Wash, c. one-half mi. east of Acton. 829 Comment
  RSA0024546  Cryptantha wigginsii F. R. Fosberg 1931-5-21 4934 Los Angeles Santa Catalina Island, between Cherry Valley and Howland s Landing. 20 Comment
  CAS-BOT-BC224479  Cuscuta californica G. B. Grant 1901-5-18 s.n. Los Angeles Pasadena Comment
  UCR141579  Cycladenia humilis June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  UC1532965  Cycladenia humilis var. venusta Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38869 Los Angeles Angeles Nat'l Forest, San Gabriel Mts., Dawson Saddle 2423 Comment
  UCR255477  Cyclospermum leptophyllum Dan S. Cooper 2014-6-26 614- 22 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  UCR276958  Cylindropuntia echinocarpa R. G. Swinney 2010-6-1 13087 B Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  SD139638  Cylindropuntia prolifera Jon P. Rebman, Jonathan Dunn 1996-4-29 3118 Los Angeles San Clemente Island: Eel Cove, coastal flats near Eel Point, on west side of island. (IPB 7/07) 10 Comment
  RSA483539  Cynodon dactylon F. R. Fosberg 1930-6-26 S- 3044 Los Angeles Lower Ballona Creek. 7 Comment
  RSA602822  Cynodon dactylon L. C. Wheeler 1932-9-5 1347 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA662141  Cynodon dactylon Carol Zuck 1981-2-3 5 Los Angeles 1462 B Springfield St. Upland. Comment
  UCR125619  Cynodon transvaalensis A. C. Sanders 2003-5-22 26810 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA776736  Cyperus eragrostis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11678 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  SD140247  Cyperus eragrostis Scott White 1992-10-8 920 Los Angeles Malibu, base of Santa Monica Mountains, just north of Pacific Coast Highway, extending as far east as Malibu Creek; bounded on the south by Civic Center Road; termintes on the west in vicinity of Malibu School; growing at the creek. 91 Comment
  SEINET3909451  Cyperus eragrostis Louis C. Wheeler 1946-9-8 6351 Los Angeles San GABRIEL MOUNTAINS: West Fork San Gabriel River, 1/2-3/4 mile W of Bear Creek.; 0 518 Comment
  UCR259359  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA365130  Cyperus squarrosus F. R. Fosberg, Joseph A. Ewan 1931-8-11 s 5500 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  RSA86196  Cystopteris fragilis F. W. Peirson 1919-5-14 1523 Los Angeles west fork of Eaton Canyon, south base of San Gabriel Mts. 1066 Comment
  RSA678213  Cytisus canariensis Valerie L. Soza, LeRoy Gross 2001-4-18 1139 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, southern end of FS Road 2N40 (San Olene Station). 976 Comment
  RSA718273  Cytisus monspessulanus R. G. Swinney 1998-4-13 5961 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  CHSC95777  Cytisus multiflorus LeRoy Gross 2004-3-30 1212 Los Angeles Transverse Ranges; Verdugo Mountains region: North side of mountains: Off the south side of the 210 freeway between La Tuna Canyon Road and Lowell Ave. in the city of Tujunga. 549 Comment
  JEPS23134  Datisca glomerata Rimo Bacigalupi with Reino Alava 1958-7-21 6453 Los Angeles South Fork of Little Rock Creek, Angeles National Forest South Fork of Little Rock Creek; San Gabriel Mountains, Angeles National Forest, Little Rock 1432 Comment
  RSA701170  Datisca glomerata Steve Boyd, Amber Maurice 2004-5-18 11342 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  RSA729938  Datisca glomerata R. G. Swinney, D. W. Larson 1999-6-25 7418 Los Angeles San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat 1280 Comment
  RSA527602  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4429 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA80399  Daucus pusillus F. W. Peirson 1920-5-3 2311 Los Angeles Little Tujunga Wash, shortly above the junction with main stream, San Fernando Valley. 335 Comment
  CAS-BOT-BC130913  Deinandra clementina Alice Eastwood 1917-7-20 6533 Los Angeles Santa Catalina Island Comment
  UC187709  Deinandra clementina Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Avalon Santa Catalina Island Comment
  CAS-BOT-BC299319  Deinandra fasciculata Alice Eastwood 1915-8-25 4899 Los Angeles Duarte Comment
  SBBG17761  Deinandra fasciculata P. H. Raven 1962-5-9 17689 Los Angeles rd above Pyramid Cove 121 Comment
  SBBG44977  Deinandra fasciculata I. W. Clokey, E. G. Anderson 1935-5-9 Los Angeles Pomona Hills 400 Comment
  SD237329  Deinandra minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 1 Los Angeles Western Transverse Range: east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetary. 321 Comment
  SBBG89603  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  LA82455  Delphinium cardinale O. H. Kappler; 1940-6-9 46 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak Road. 518 Comment
  UC635339  Delphinium cardinale H. L. Mason 1927-6-15 3788 Los Angeles wash of the San Gabriel River Comment
  RSA398699  Delphinium parishii T. H. Holmes 1933-4-22 s.n. Los Angeles Mohave Desert Comment
  CAS-BOT-BC33224  Delphinium parryi LeRoy Abrams 1901-4-1 1186 Los Angeles Ballona Harbor Comment
  UCR131411  Delphinium parryi Alison Lipman 1998-1 s.n. Los Angeles South Coastal Plains Region, Del Cerro Park, Rancho Palos Verde 360 Comment
  CAS-BOT-BC116285  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1941-5-24 s.n. Los Angeles Ridge Route, Highway 99 Comment
  SBBG128369  Delphinium parryi subsp. parryi M. L. Hoefs, A. D. Propst 1973-5-4 222 Los Angeles middle of Middle Ranch Cyn 243 Comment
  UCR270642  Delphinium parryi subsp. parryi R. G. Swinney 2011-3-22 14188 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  JEPS60584  Delphinium patens subsp. hepaticoideum Frank W. Peirson 1918-5-19 50 Los Angeles Millards Canyon 609 Comment
  RSA0106741  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA724385  Delphinium patens subsp. hepaticoideum K. Dobry 1991-3-15 418 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  CAS-BOT-BC116418  Delphinium patens subsp. hepaticoideum George B. Grant 1901-1-1 277 Los Angeles From Sierra Madre Mts., S. Cal., 914 Comment
  SEINET13094852  Delphinium patens subsp. hepaticoideum Joseph Ewan 1929-5-30 3497 Los Angeles Old Wilson Trail, mile below Orchard Camp. 915 Comment
  RSA0030020  Delphinium patens subsp. montanum W. G. Webb 1935-4-17 s.n. Los Angeles Arroyo Seco, near La Canada Comment
  RSA582914  Delphinium variegatum subsp. thornei Mark A. Elvin, Gerry Allan, T. S. Ross, Jennifer Stone 1995-5-19 15 Los Angeles San Clemente Island. E side of island; North Fork of Canchalagua Canyon along seasonal creek. Comment
  SEINET4090273  Delphinium variegatum subsp. thornei M. B. Dunkle 1939-1 7322 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC82818  Dendromecon harfordii Lester Rowntree 1938-3-16 s.n. Los Angeles Catalina. Comment
  SBBG77897  Dendromecon harfordii F. R. Fosberg 1931-4-13 4580 Los Angeles Renton Mine, Pebbly Beach 300 Comment
  UCSB11265  Dendromecon harfordii Hancock, Dan 1961-3-31 Los Angeles 1.4 miles No. of China wall on Catalina Island, 50 ft. W. of Coach Rd. Comment
  LA200720  Dendromecon rigida Carl Epling; L. Ellison 1929-3-16 sn Los Angeles Santa Monica Mountains, near Girard [Woodland Hills] Comment
  UC1587701  Deschampsia danthonioides Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5185 Los Angeles pond w. of 2 earthen dams Twin Dams; San Clemente Is., Twin Dams 473 Comment
  UC534834  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles San Gabriel Mts., Horse Flats 1676 Comment
  RSA0113368  Descurainia sophia LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7514 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
  UCR275028  Descurainia sophia Michael Honer, Rachel Woodard 2006-4-18 2197 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  JEPS53459  Descurainia sophia W. L. Jepson 1935-4-17 17038 Los Angeles Lancaster Mohave Desert (w Mohave Desert) 716 Comment
  RSA737101  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  SEINET13387121 Image available Dicentra chrysantha R. G. Swinney 2011-1 15415 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  RSA0087869  Dichelostemma capitatum R. G. Swinney 2010-4-30 12442 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  LA21921  Dichelostemma capitatum subsp. capitatum Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  SEINET3127292  Dichelostemma capitatum subsp. capitatum G. B. Grant, W. Wheeler 1904-1 119 /6148 Los Angeles Santa Catalina Island Comment
  RSA251453  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-16 36054 Los Angeles San Clemente Island, c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  RSA527725  Dichelostemma capitatum subsp. capitatum Timothy S. Ross, Annette Ross 1991-3-7 4148 Los Angeles Elephant Hill: Western Pomona. 335 Comment
  SBBG125462  Diplacus johnstonii A. Parikh, N. Gale 2010-6-18 3330 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1225 Comment
  CAS-BOT-BC150637  Diplacus longiflorus LeRoy Abrams 1902-6-15 2543 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC150645  Diplacus longiflorus Dr. Barton W. Evermann 1916-5-5 s.n. Los Angeles Newhall Comment
  SFV22075  Dittrichia graveolens P. M. Schiffman 2011-10-24 s. n. Los Angeles San Fernando Valley Sepulveda Flood Control Basin. Disturbed field south of pond containing outflow from Tilman Sewage Treatment Plant. 215 Comment
  PASA9  Dodecatheon clevelandii Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  SBBG131573  Dodecatheon clevelandii S. A. Junak 2000-4-15 SCa 1209 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  RSA461356  Dodecatheon clevelandii subsp. insulare M. B. Dunkle 1929-3-3 2054 Los Angeles Hamilton Beach; Santa Catalina Island Comment
  SBBG38689  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-23 604 Los Angeles S of Johnson's Valley 200 Comment
  UC1260168  Draba albertina Robert F. Thorne, L. DeBuhr 1974-6-28 44748 Los Angeles Lily Springs area on n slope Mt. Hawkins San Gabriel Mts, Angeles National F., S Fork Big Rock Crk (drainage of S Fork Big Rock Creek, Angeles National Forest) 2438 Comment
  RSA225834  Draba corrugata var. corrugata R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41069 b Los Angeles West Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 2743 Comment
  RSA666734  Drosanthemum floribundum A. C. Sanders, D. Malueg 2001-5-17 34339 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  SD122690  Drosanthemum floribundum James C. Dice, W. E. Tippets 1988-4-7 849 Los Angeles Loe Carrillo State Beach, Sequit Point, at edge of bluff above beach 10 Comment
  UC200708  Drosanthemum floribundum Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA229141  Drymocallis glandulosa var. reflexa Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38900 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  POM306716  Drymocallis glandulosa var. reflexa Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1666 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  CAS-BOT-BC67938  Dryopteris arguta Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8110 Los Angeles Liebre Mountains - Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from 847 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
  UC399296  Dryopteris arguta C. F. Millspaugh 1920-2-7 4693 Los Angeles Pebble Beach Canyon; Santa Catalina Isl. Comment
  UCR260394  Dryopteris arguta R. G. Swinney 2010-6-21 13282 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA693686  Dryopteris arguta Kenneth A. Wilson 1994-7-9 2454 Los Angeles Malibu Creek State Park, southwest end of Century Lake Comment
  RSA693714  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Eagle's Nest, Santa Catalina Island. Comment
  SEINET10568355  Dryopteris arguta David B. Dunn 1937-2-28 Dunn s.n. Los Angeles Monrovia Canyon. Comment
  UCD136403  Dryopteris arguta F. R. Rickson 1961-7-28 2 Los Angeles Studio City. 200-300 yds from south end of Brookdale Rd. Comment
  CAS-BOT-BC428116  Dudleya cymosa subsp. cymosa Steve Boyd; Lauren Raz 1997-4-30 9601 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. 914 Comment
  SD127371  Dudleya cymosa subsp. ovatifolia Reid Moran 1962-5-31 8323 A Los Angeles Ca. 1 mil upgrade from Seminole Springs, Santa Monica Mtns Comment
  UC1015362  Dudleya cymosa subsp. ovatifolia Reid Moran 1948-5-28 3079 Los Angeles 2.3 mi above mouth of Topanga Canyon (cliffs on e side of canyon opposite roadside spring) Comment
  RSA747755  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood 2009-5-6 12660 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UC212663  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 Los Angeles w end Ontario Peak; San Antonio Mtns 1828 Comment
Read comments
May 13 2016
  JEPS49924  Dudleya lanceolata Julia A. Bettys 1929-5-20 Los Angeles Manhattan Beach Los Angeles Comment
  SDSU5749  Dudleya virens Jim Dice, Michael Donoghue & Terry Martin 1983-5-20 349 Los Angeles Santa Catalina Island, on bluff 0.1 km. east ofbeach at Little Harbor. 23 Comment
  UCR259085  Dysphania ambrosioides R. G. Swinney 2010-9-1 13665 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA0083136  Echinochloa crus-galli R. G. Swinney 2010-6-29 13379 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  UCR209313  Echinochloa crus-galli A. C. Sanders 2009-11-6 37219 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR209415  Eclipta prostrata R. G. Swinney 2008-12-2 9917 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA605809  Eclipta prostrata L. C. Wheeler 1966-10-25 9084 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCSB3670  Ehrendorferia chrysantha Foster, R. 1937-6-2 Los Angeles Evey Canyon, northeast of Claremont Comment
  RSA247433  Ehrharta calycina Jack Delaini 1974-4-5 90 Los Angeles San Gabriel Mountains: Lodi Canyon, San Dimas Experimental Forest, Angeles National forest. 366 Comment
  RSA583039  Ehrharta calycina Timothy S. Ross 1993-4-22 6877 Los Angeles Santa Catalina Island, SW part of the island in the vicinity of Cactus Peak (1560ft, Northeasterly slope 100 m due N of summit. 468 Comment
  UCR169886  Eleocharis A. C. Sanders, Mark A. Elvin 2002-6-25 25260 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR271829  Eleocharis macrostachya R. G. Swinney 2011-6-23 15297 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  CAS-BOT-BC113165  Eleocharis palustris LeRoy Abrams 1903-3-1 851 Los Angeles Echo Park Comment
  RSA764140  Eleocharis palustris Doris Bowers 1957-5-2 74 Los Angeles Road above Puddingstone, LaVerne. 320 Comment
  POM184661  Eleocharis parishii L. C. Wheeler 1932-8-28 1302 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  UC306108  Eleocharis parishii I. M. Johnston 1917-7-23 1631 Los Angeles Prairie Fork of the San Antonio River Comment
  CAS-BOT-BC451521  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 411 Comment
  CATA317  Elymus condensatus Mark L. Hoefs, A. Douglas Propst 1973-6-5 344 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  UCR180021  Elymus condensatus R. G. Swinney 1996-8-7 5221 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  SEINET13203271 Image available Elymus elymoides subsp. elymoides R. G. Swinney 2011-1 15487 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  UCR98829  Elymus elymoides subsp. elymoides T. S. Ross, Steve Boyd 1995-6-29 8661 Los Angeles Near W summit of Liebre Mtn 1707 Comment
  LA14782  Elymus glaucus subsp. glaucus A. M. Johnson; 1937-10-13 40 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Arroyo S of bridge. Comment
  SBBG118738  Elymus glaucus subsp. glaucus L. Gross with P. Morton 2004-6-9 1355 Los Angeles W end of the main crest; from S of Pacific Crest Trail along Rd 7N23, to the NW corner of Sec 3 and the W end of Sec 12, W of Bear Gulch Camp 1727 Comment
  SEINET4208315  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon.; 0 518 Comment
  SEINET4674725  Elymus hispidus Steve Boyd, Mike Wall 1996-5-16 8793 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road.; 0 622 Comment
  UCD62461  Elymus multisetus B. A. Madson 1931-4-1 Los Angeles Lancaster. 762 Comment
  RSA0062696  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UCR210303  Elymus triticoides R. G. Swinney 2008-10-16 9589 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  POM279060  Emex spinosa E. A. Dudley 1951-5-15 s.n. Los Angeles End of River Lane, just north of Santiago Creek and east of Flower St., Santa Ana. Comment
  UCD119212  Emmenanthe penduliflora Daryl Koutnik 1978-5-2 461 Los Angeles Bell Canyon in the Simi Hills. 426 Comment
  RSA710830  Emmenanthe penduliflora LeRoy Gross 2005-5-3 2214 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA587391  Emmenanthe penduliflora var. penduliflora Orlando Mistretta 1992-5-8 276 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA0080759  Encelia actoni R. G. Swinney 2010-6-1 13106 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA300469  Encelia actoni John Dourley, Walter Wisura 1982-6-16 3832 Los Angeles Slopes above Little Rock forest station Comment
  UCR155595  Encelia actoni A. C. Sanders, Helen Kennedy 2005-4-13 29452 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC131208  Encelia californica Peter H. Raven 1959-4-4 13946 Los Angeles East of Zuma Beach, Point Dume 10 Comment
  UC1922585  Encelia californica Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1169 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 518 Comment
  UC31390  Encelia californica W. H. Brewer 1861-2-1 187 Los Angeles San Fernando Valley Comment
  UCR100610  Encelia californica B. G. Pitzer 1996-5-5 2852 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR272011  Encelia farinosa R. G. Swinney 2010-4-30 12480 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
  CAS-BOT-BC81810  Ephedra nevadensis Timothy S. Ross 1991-4-27 4635 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 1203 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
  LA206169  Epilobium canum Harvey Anderson; August 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Solstice Canyon Comment
  CAS-BOT-BC166273  Epilobium canum subsp. canum L. R. Abrams; I. L. Wiggins 1931-7-6 380 Los Angeles Vicinity of Mosquito Harbor. San Clemente Island Comment
  POM2979  Epilobium canum subsp. canum L. T. Street 1918-11-3 s.n. Los Angeles San Jose Hills. Comment
  POM308929  Epilobium canum subsp. canum Kay H. Beach 1943-10-27 683 Los Angeles Second large side canyon on west of Monroe. San Dimas Experimental Forest. 655 Comment
  POM49686  Epilobium canum subsp. canum L. R. Abrams 1901-8-21 2190 Los Angeles Santa Monica Mountains. Comment
  RSA526645  Epilobium canum subsp. canum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4218 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA601687  Epilobium canum subsp. canum Louis C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  RSA638924  Epilobium canum subsp. canum Louis C. Wheeler 1946-8-27 6251 Los Angeles San Gabriel Mountains: Aliso Canyon, Angeles Forest Highway. 1220 Comment
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Jan 21 2015
  UC64602  Epilobium canum subsp. canum T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UCR212785  Epilobium canum subsp. canum Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1771 Los Angeles Transverse Ranges; San Gabriel Mountains, [east of San Dimas Reservoir, on Sunset Ridge] 405 Comment
  RSA588517  Epilobium canum subsp. latifolium Bonnie C. Templeton 1932-8-21 s.n. Los Angeles Mt. Baldy 3049 Comment
  RSA659868  Epilobium canum subsp. latifolium Orlando Mistretta 1992-8-20 760 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  UCR259403  Epilobium canum subsp. latifolium R. G. Swinney 2010-8-30 13633 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
  CAS-BOT-BC167110  Epilobium ciliatum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36975 Los Angeles San Gabriel Valley: Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR210713  Epilobium ciliatum R. G. Swinney 2008-9-10 9419 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCR243011  Epilobium ciliatum R. G. Swinney 2009-8-6 11510 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  RSA588350  Epilobium ciliatum subsp. ciliatum Geo. L. Moxley 1915-7-4 365 Los Angeles Arroyo Seco, Pasadena. Comment
  POM271476  Epilobium densiflorum Victor Duran 1933-7-10 3511 Los Angeles Sulpher Springs. 1524 Comment
  UCR202701  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  CDA36207  Epipactis gigantea A. C. Sanders, T. B. Salvato 2009-5-19 36838 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. Working oil field with access roads and scattered pump pads. Comment
  RSA381691  Epipactis gigantea George Henry Grinnell 1925-5-29 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UC1174781  Epipactis gigantea P. C. Everett and E. K. Balls 1960-5-30 24132 Los Angeles 2.5 mi from Azusa; San Gabriel Canyon 243 Comment
  UCR124645  Epipactis gigantea B. C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabriel Mountains, San Gabriel Canyon, from 0.5 mi. below dam to 1.0 mi. above 488 Comment
  UCR178388  Equisetum hyemale subsp. affine LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 719 Los Angeles Transverse Ranges: Verdugo Mountains Region, south side; off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 576 Comment
  RSA684661  Equisetum hyemale var. affine Albert J. Perkins 1915-10-31 s.n. Los Angeles Big Tujunga, Sierra Madre Mountains Comment
  RSA586672  Equisetum laevigatum Orlando Mistretta, Mark Elvin 1995-5-10 1707 B Los Angeles Bare Mountain Canyon, West Fork; Pacifico Mtn. 1159 Comment
  RSA684607  Equisetum laevigatum Albert J. Perkins 1918-1-13 s.n. Los Angeles Switzer s Camp Comment
  POM312811  Equisetum laevigatum D. Taylor 1952-05 s.n. Los Angeles Little Dalton Canyon. San Gabriel Mountains, San Gabriel River drainage. 457 Comment
  RSA585672  Equisetum laevigatum T. S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3341 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  UCR99449  Equisetum telmateia subsp. braunii L. C. Wheeler 1932-3-17 505 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  RSA684718  Equisetum telmateia var. braunii M. B. Dunkle 1931-4-22 2458 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  RSA608693  Eragrostis curvula L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 822 Comment
  SEINET10930305  Eragrostis mexicana Unknown Anonymous s.n. Los Angeles Waste places. Comment
  RSA526633  Eremocarpus setiger Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4226 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  CAS-BOT-BC300527  Eriastrum densifolium B. Ertter; J. Strachan 1979-6-29 3009 Los Angeles N edge of Angeles Nat'l Forest ca 9 airmiles ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4 1463 Comment
  RSA0107792  Eriastrum densifolium subsp. elongatum Sarah G. Kemp 1931-7-5 s.n. Los Angeles Between San Bernardino and Pasadena Cal. Comment
  RSA0107963  Eriastrum densifolium subsp. elongatum J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10923 Los Angeles Ca. 2 mi. N Solemint, just off Arline Rd., 0.3 mi. from intersection with Sierra Hwy. 610 Comment
  JEPS123280  Eriastrum hooveri David Gowen 2005-5-12 322 Los Angeles Cuyama River. Santa Barbara Canyon Road just west of Hwy 33. Comment
  UCR155384  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2005-5-24 30279 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UCR222798  Eriastrum sapphirinum R. G. Swinney 2009-5-9 10704 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  UCR280873  Eriastrum sapphirinum R. G. Swinney 2014-5-1 16329 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  RSA0110982  Eriastrum sapphirinum subsp. brevibracteatum T. S. Ross, S. D. Boyd 1990-5-29 2687 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  SD241917  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2009-5-9 10705 Los Angeles Transverse Range; San Gabriel Mountains: Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd., on east side of El Encanto Parkway (Azusa 7.5'Q) 182 Comment
  CAS-BOT-BC514995  Eriastrum sapphirinum subsp. dasyanthum Verne Grant 1951-5-24 16001 Los Angeles North of Claremont 518 Comment
  RSA0047417  Ericameria cooperi R. G. Swinney 2010-5-12 12703 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  SD82874  Ericameria cooperi var. cooperi Robert F. Thorne, C. W. Tilforth 1971-6-29 40672 Los Angeles San Gabriel Mountains.; north slope of mountains;.5 miles west of Soledad near mouth of Kentucky Springs Canyon. 945 Comment
  CAS-BOT-BC286762  Ericameria cuneata var. cuneata A. J. McC. 1892-9-1 114 Los Angeles Pasadena 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
  UCR177466  Ericameria linearifolia LeRoy Gross 2005-5-3 2245 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA792131  Ericameria nauseosa var. bernardina Jane Tirrell 2012-8-20 LS 0165 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Jimmy Springs. 2259 Comment
  UC284765  Ericameria nauseosa var. bernardina P. A. Munz 1923-8-31 7698 Los Angeles San Antonio Mts., Mescal Creek 1950 Comment
  CAS-BOT-BC298188  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17491 Los Angeles Mojave Desert: Antelope Valley: Highway 14 at Avenue B 731 Comment
  LA103318  Ericameria palmeri var. pachylepis Jonathan Sauer; Walt Westman 1976-12-23 5919 Los Angeles Oak Spring Canyon, near Saugus Comment
  CAS-BOT-BC131664  Ericameria parishii var. parishii Moxley 1920-9-7 830 Los Angeles Mt. Wilson Toll Road 600 Comment
  RSA481991  Ericameria parishii var. parishii Richard Noyes 1988-9-18 741 Los Angeles Behind San Antonio Dam 701 Comment
  CAS-BOT-BC293124  Ericameria pinifolia Tim Ross 1992-7-17 6723 Los Angeles San Gabriel Mtns: ca 300 m W of the summit of Condor Peak 1588 Comment
  JEPS30428  Ericameria pinifolia Peter H. Raven 1959-10-16 14651 Los Angeles Boquet Canyon Reservoir Comment
  RSA802570  Ericameria pinifolia Orlando Mistretta, Christine Mistretta 2011-7-1 5882 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  SD260180  Ericameria pinifolia R. G. Swinney 2011-10-27 15910 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream)of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 648 Comment
  UCR209867  Erigeron breweri R. G. Swinney 2008-7-13 9193 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  UCR271174  Erigeron foliosus R. G. Swinney 2011-7-8 15496 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0091509  Erigeron foliosus var. foliosus R. G. Swinney 2011-10-10 15745 Los Angeles 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 1537 Comment
  RSA455007  Eriodictyon crassifolium T. W. Minthorn 1925-5-30 s.n. Los Angeles Near Palmdale. Comment
  SFV6004  Eriodictyon crassifolium S. Cutler 1972-4-7 s. n. Los Angeles San Gabriel Mountains Santa Clara Divide Road at Bear Canyon. 945 Comment
  CAS-BOT-BC189109  Eriodictyon crassifolium var. crassifolium Elmer I. Applegate 1927-2-28 4994 Los Angeles Ridge Road near summit of Tejon Pass, northern county Comment
  RSA0070371  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR258800  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12966 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR270521  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SBBG95395  Eriodictyon traskiae M. B. Dunkle 1928-5-20 1961 Los Angeles head of Swain's (Swain) Cyn Comment
  UCSB38081  Eriodictyon traskiae subsp. traskiae Blakely, E. 1962-10-5 Los Angeles NE side of Black Jack Mt. at junction of Island Road and Whites Landing Road, Santa Catalina Island 381 Comment
  CAS-BOT-BC222688  Eriodictyon trichocalyx Clare B. Hardham 1959-6-16 4871 Los Angeles Near Pear Blossom Comment
  RSA654192  Eriodictyon trichocalyx Marilyn Porter 1991-5-17 18 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
  UCR216906  Eriodictyon trichocalyx R. G. Swinney 2009-3-17 10132 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  UCR259626  Eriodictyon trichocalyx R. G. Swinney 2010-3-30 12114 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA0064140  Eriodictyon trichocalyx var. trichocalyx Marck Menke 2002-3-29 132 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout north of the intersection with Glendora Ridge Road. Comment
  RSA759009  Eriogonum baileyi R. G. Swinney 2008-10-8 9540 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  SBBG61860  Eriogonum baileyi R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  CAS-BOT-BC241984  Eriogonum cinereum C. B. Wolf 1931-6-25 2244 Los Angeles Along Beverly Blvd., on grade leading down into Santa Monica Canyon 457 Comment
  RSA127410  Eriogonum cinereum H. J. Thompson 1958-10-10 1807 Los Angeles Santa Monica Mounatins: 1 mile inland from ocean, Topanga Canyon. 61 Comment
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Apr 26 2018
  RSA65103  Eriogonum cinereum F. W. Peirson 1906-7-9 1761 Los Angeles Rustic Canyon. Comment
  RSA706908  Eriogonum cinereum Gary D. Wallace, M. Wallace 1985-3-2 2181 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  IRVC29287  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 N side of Santa Susana Mtns. 305 Comment
  CAS-BOT-BC242768  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 1828 Comment
  RSA588909  Eriogonum davidsonii Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2950 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  UCR271198  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR155340  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2005-5-5 29866 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  UCR206269  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2008-6-10 8995 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  SBBG1495  Eriogonum fasciculatum var. fasciculatum H. and M. Dearing 1938-5-22 Los Angeles Decker Ranch Rd Comment
  UC6284  Eriogonum fasciculatum var. foliolosum Wm. H. Brewer 1861-1-4 106 Los Angeles Camp 6, San Gabriel Canyon San Gabriel Canyon Comment
  UCR125235  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25505 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  UC220996  Eriogonum fasciculatum var. polifolium A. D. E. Elmer June 1902 3661 Los Angeles Palmdale Comment
  CAS-BOT-BC250312  Eriogonum giganteum var. formosum L. R. Abrams; I. L. Wiggins 1931-7-6 357 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  SBBG98486  Eriogonum grande var. grande T. Ross 1991-5-22 5467 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 79 Comment
  RSA747581  Eriogonum heermannii R. G. Swinney 2005-8-11 8449 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  RSA760555  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles Confluence of Big Rock Creek and Fenner Canyon 1640 Comment
  JEPS56722  Eriogonum microthecum var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles w spur of Baldy ( = Mt. San Antonio ) San Antonio Mountains, Baldy ( = Mt. San Antonio ) 2743 Comment
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Jan 4 2012
  RSA746866  Eriogonum nidularium Orlando Mistretta 1992-8-20 777 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. On firebreak, south slope. 1524 Comment
  RSA761703  Eriogonum nudum R. G. Swinney 2008-10-10 9560 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR205269  Eriogonum nudum R. G. Swinney 2005-8-26 8530 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UC1871161  Eriogonum nudum var. pauciflorum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3971 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
  RSA317011  Eriogonum parvifolium var. parvifolium T. S. Elias, Walter Wisura 1984-7-27 8522 Los Angeles North of Malibu; Point Dume. Comment
  UCR240023  Eriogonum plumatella R. G. Swinney 2009-11-13 11597 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR193692  Eriogonum pusillum R. G. Swinney 1999-4-5 7044 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  RSA293436  Eriogonum saxatile Reino Alava, R. C. Bacigalupi 1958-7-20 2211 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway (CA Hwy. 2), upper slopes of Little Rock Creek Canyon 2073 Comment
  UC6445  Eriogonum saxatile J. H. Barber 1897-7-11 242 Los Angeles summit of Mt. Gleason Mt. Gleason Comment
  UC6446  Eriogonum saxatile Dr. A. Davidson 1895-1 Los Angeles Wilson's Peak Comment
  RSA424900A  Eriogonum saxatile F. R. Fosberg, Joseph A. Ewan 1931-8-11 S- 5452 Los Angeles San Gabriel Mountains: S slope of Mt. Hawkins near Islip-Hawkins divide 2300 Comment
  SD72737  Eriogonum thurberi F. R. Fosberg 1930-7-3 S 3081 Los Angeles Lexington Wash, San Gabriel River, El Monte 79 Comment
  RSA300696  Eriogonum umbellatum subsp. minus James R. Shevock 1974-10-5 3878 Los Angeles About the summit of Mount Baden-Powell; Angelees Nat'l Forest 2866 Comment
  RSA674750  Eriogonum umbellatum var. munzii Scott D. White, Sandy Leatherman 2001-7-25 8727 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  UC6465  Eriogonum umbellatum var. munzii Harvey M. Hall 1895-8-12 216 Los Angeles S. Antonio Mts. 2133 Comment
  UCR209967  Eriogonum umbellatum var. munzii R. G. Swinney 2008-7-15 9230 Los Angeles San Gabriel Mtns., Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
  RSA420583  Eriogonum wrightii var. subscaposum H. de Forest 1932-10-16 16769 Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  POM357930  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2237 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA771563  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10940 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCD132155  Eriophyllum confertiflorum Geoffrey Levin 1974-5-1 66 Los Angeles near intersection of Padua Ave. and Baseline Ave., Claremont. Santa Ana River and Pacific Slope Drainage Area. 365 Comment
  UCR220195  Eriophyllum confertiflorum R. G. Swinney 2009-4-7 10300 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR255782  Eriophyllum confertiflorum R. G. Swinney 2010-4-15 12271 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  UC1587168  Eriophyllum confertiflorum var. confertiflorum Tim Ross 1991-5-21 5422 Los Angeles upper reaches of Box Canyon (sw side of island); San Clemente Island, Box Canyon 365 Comment
  POM358087  Eriophyllum nevinii M. B. Dunkle 1939-4-6 7284 Los Angeles Mosquito Harbor, San Clemente Island Comment
  UCR205848  Eriophyllum wallacei R. G. Swinney 2008-5-8 8818 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
  JEPS61381  Erodium cicutarium Geo. B. Grant 1901-1 448 Los Angeles Pasadena Comment
  SD232259  Erodium cicutarium V. Soza, LeRoy Gross 2001-5-14 1216 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UC56277  Erodium cicutarium Miss E. D. Palmer 1902-2-1 Los Angeles Los Angeles Comment
  CDA4670  Erodium cicutarium L. C. Wheeler 1967-5-15 9605 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Whitney Canyon near Newhall Comment
  CAS-BOT-BC40720  Erysimum capitatum John Thomas Howell 1928-2-11 3345 Los Angeles Haines Canyon, San Gabriel Mountains. Comment
  UCR216912  Erysimum capitatum R. G. Swinney 2009-3-16 10119 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA530305  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-18 4193 Los Angeles Mt. Baldy Resorts 1829 Comment
  RSA311430  Erysimum capitatum var. capitatum Michael C. Long, J. E. Long 1974-4-20 s.n. Los Angeles Punchbowl County Park, SW of Headquarters Comment
  RSA585693  Erysimum capitatum var. capitatum Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3010 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  CAS-BOT-BC55205  Erysimum suffrutescens G. B. Rossbach 1940-2-25 924 Los Angeles El Segundo. Comment
  CAS-BOT-BC402730  Eschscholzia caespitosa Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  POM50342  Eschscholzia caespitosa L. R. Abrams 1901-06 1700 Los Angeles Santa Monica Mountains, Saddle Peak. Comment
  CAS-BOT-BC227695  Eschscholzia californica Steven R. Hill; Kate Kramer 2001-4-22 33334 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. North side of..., 804 Comment
  LA82465  Eschscholzia californica O. H. Kappler; 1944-4-30 595 Los Angeles Santa Monica Mountains, Escondido Canyon 761 Comment
  RSA188917  Eschscholzia ramosa Robert F. Thorne 1966-4-5 35862 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  SBBG131818  Eschscholzia ramosa S. A. Junak, B. Collins 1991-4-24 SCI 201 Los Angeles overlooking cove, S side of Eel Cove Cyn Comment
  RSA0092554  Eucrypta chrysanthemifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14321 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  SFV3050  Eucrypta chrysanthemifolia A. M. Johnson 1934-4-20 4442 Los Angeles Santa Monica Mountains Sepulveda Canyon. Comment
  UCR95348  Eucrypta chrysanthemifolia L. C. Wheeler 1967-5-2 9255 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  UCR99578  Eucrypta chrysanthemifolia Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA0107887  Eucrypta chrysanthemifolia Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 554 Los Angeles Santa Catalina Island. Along Airport Road, at head of canyon above Hamilton Cove. 317 Comment
  JEPS1713  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Peirson 1918-6-10 167 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  UC1584708  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim Ross 1991-3-24 4311 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  UC56880  Eucrypta chrysanthemifolia var. chrysanthemifolia Ernest Braunton Apr 1902 243 Los Angeles Griffith Park Comment
  UCR85808  Eucrypta chrysanthemifolia var. chrysanthemifolia T. S. Ross 1991-3-24 4311 Los Angeles Whittier Hills (Puente Hills, pro parte) 311 Comment
  RSA584295  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross 1993-5-27 7332 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  UCR261357  Eulobus californicus R. G. Swinney 2010-4-1 12165 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCD142533  Euphorbia albomarginata P. Kilburn 1958-3-11 655 Los Angeles Wayside Honor Rancho S. of Castaic. On road to cow pasture above Hdq. Comment
  UCD142545  Euphorbia albomarginata Robert F. Thorne; C. W. Tilforth 1971-6-17 39969 Los Angeles San Gabriel Mts.; Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters. Little Tujunga Creek. 457 Comment
  UCD142390  Euphorbia dendroides Hartman 2002-5-21 PDR 125386 0 Los Angeles Big Santa Anita Cyn. Angeles NF. Comment
  UCD142589  Euphorbia maculata S. I. Apfelbaum 1980-9-26 23 Los Angeles International airport. Comment
  UCD142564  Euphorbia melanadenia Jack Delaini 1974-3-11 60 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 396 Comment
  RSA583017  Euphorbia misera T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6944 Los Angeles Santa Catalina Island, ca. 1600 ft NE of Little Harbor on slope overlooking the harbor. 40 Comment
  RSA432441  Euphorbia palmeri B. C. Templeton 1932-6-19 4919 Los Angeles Big Pines Park Comment
  CDA4863  Euphorbia peplus A. C. Sanders 2003-3-14 25765 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 Freeway east of the San Gabriel River channel. Comment
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Apr 22 2010
  POM222388  Euphorbia peplus L. C. Wheeler 1936-6-30 4195 Los Angeles Wolfskill Canyon 533 Comment
  UCR260030  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA91149  Euthamia occidentalis F. W. Peirson 1921-9-21 2585 Los Angeles Los Angeles River near Tropico, San Fernando Valley. Comment
  POM308944  Festuca californica subsp. parishii K. H. B. 1942-5-28 631 Los Angeles Wolfskill firebreak near Brown's Flat. San Dimas Experimental Forest: U.S. Forest Dept. Comment
  IRVC28856  Festuca microstachys Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2925 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  LA201013  Festuca microstachys Carl Wishner; 1998-4-25 2589 Los Angeles SANTA MONICA MOUNTAINS, Ladyface Mountain, E arm, along Kanan Dume Rd. 250.0 Comment
  LA51391  Festuca microstachys Henry J. Thompson; 1959-4-19 1947 a Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR192054  Festuca myuros A. C. Sanders 2008-4-11 34850 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM 'Pine 973 Comment
  UCR94665  Festuca myuros A. C. Sanders, E. J. Lott 1993-5-6 13966 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 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
  RSA158209  Filago arizonica Peter H. Raven 1962-5-8 17632 Los Angeles Near western shore of island, opposite Wilson Cove, San Clemente Island. 46 Comment
  LA94446  Filago californica Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA464878  Forestiera pubescens G. R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  SBBG122033  Frangula californica subsp. californica S. D. White, B. Leatherman 2005-3-18 10796 Los Angeles "South Hills," just N of Interstate 210, ca. 0.3 air mi ENE of the I-210/Sunflower intersection; Glendora 305 Comment
  CAS-BOT-BC223418  Fraxinus dipetala P. C. Everett; E. K. Balls 1959-6-29 23869 Los Angeles 2 mi. from Seminole Hot Springs, Santa Monica Mts. 487 Comment
  JEPS43923  Fraxinus dipetala Frank W. Peirson 1919-4-19 383 Los Angeles Pacoima Canyon San Gabriel Mountains 609 Comment
  UCR126243  Fraxinus pennsylvanica subsp. velutina A. C. Sanders 2003-3-14 25773 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
  CAS-BOT-BC211006  Fraxinus velutina L. R. Abrams 1900-8-10 876 Los Angeles San Gabriel River, West Fork Comment
  CAS-BOT-BC211010  Fraxinus velutina Joseph Andorfer Ewan 1937-8-15 10968 Los Angeles West Fork San Gabriel River, San Gabriel Mts. 518 Comment
  CAS-BOT-BC212391  Fremontodendron californicum Carl B. Wolf 1936-5-27 7861 Los Angeles Aliso Canyon to Buckhorn Flats Road, 8 mi. above Tie Camp Summit, San Gabriel Mts. 1676 Comment
  POM184718  Fremontodendron californicum Joseph A. Ewan 1932-3-29 7211 Los Angeles Arrastre Canyon. 1220 Comment
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Dec 17 2014
  RSA774181  Fremontodendron californicum R. G. Swinney 2009-7-22 11332 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  SBBG127068  Fremontodendron californicum A. Parikh, N. Gale 2011-6-14 3464 Los Angeles N of Aliso Cyn, 0.1 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1222 Comment
  RSA367721  Fritillaria biflora Geo L. Moxley 1914-2-15 204 Los Angeles Hills n.w. of Highland Park Comment
  POM129917  Funastrum cynanchoides var. hartwegii Mattie Reed 1892-4-19 11070 Los Angeles Pomona. Comment
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Oct 3 2010
  SEINET10580693  Funastrum hartwegii Blanche Trask Trask s.n. 1890 Los Angeles Avalon, Santa Catalina Island 10 Comment
  UCR229165  Galium andrewsii Dan S. Cooper 2011-5-5 511- 55 B Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  RSA0055755  Galium angustifolium R. G. Swinney 2010-5-19 12812 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. 1335 Comment
  SEINET235620  Galium angustifolium Scott D. White 1997-5-8 5083 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom ajd adjacent slopes below San Gabriel Reservoir. 400 Comment
  UCR271965  Galium angustifolium R. G. Swinney 2011-6-20 15214 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  JEPS114015  Galium angustifolium subsp. angustifolium Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7406 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; unnamed horseshoe-shaped canyon to NE of upper Forrestal Drive. Comment
  LA105083  Galium angustifolium subsp. angustifolium Barry A. Prigge; 1988-7-3 8225 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  RSA2001  Galium angustifolium subsp. angustifolium Carl B. Wolf 1931-5-13 1997 Los Angeles Pacoima Wash, near bridges on road from Tujunga to San Fernando 366 Comment
  RSA756779  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-29 2544 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
  RSA569916  Galium aparine Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4827 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UC625033  Galium aparine F. R. Fosberg 1931-3-20 S 4311 Los Angeles Santa Catalina Island, South wall Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 20 Comment
  RSA654559  Galium aparine Benjamen Rangel 1992-4-10 777 -04 Los Angeles In the avocado orchard behind the dormitories at Cal Poly; along the freeway fence. Comment
  POM7060  Galium aparine var. echinospermum L. T. Street, P. A. Munz, G. Williams 1919-4-5 2440 Los Angeles Puddingstone Canyon. San Dimas. 274 Comment
  RSA25765  Galium catalinense subsp. catalinense Carl B. Wolf 1941-6-24 4187 Los Angeles Santa Catalina Island. NW side of Isthmus Harbor 30 Comment
  CAS-BOT-BC217510  Galium grande Le Roy Abrams 1901-4-15 1516 Los Angeles Wilson's Peak Comment
  UC102569  Galium grande A. J. McClatchie 1893-1 Los Angeles San Gabriel Mts. Comment
  UC1929648  Galium grande Valerie Soza, Bill Hogshead 2003-5-6 1649 b Los Angeles Transverse Ranges; San Gabriel Mountains region; Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  POM17844  Galium hallii Philip A. Munz 1923-9-1 7705 Los Angeles Swartout Valley, San Gabriel Mountains. 2043 Comment
  RSA0023116  Galium hilendiae Duncan S. Bell, Caitlin Elam 2013-7-11 5349 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  SBBG126959  Galium johnstonii A. Parikh, N. Gale 2011-7-6 3539 Los Angeles rd to Barley Flats, 3.9 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1690 Comment
  UCR275522  Galium johnstonii D. E. Bramlet 2011-9-21 4951 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  UCR85830  Galium johnstonii T. S. Ross 1991-8-16 5839 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  RSA576173  Galium nuttallii subsp. insulare Reid V. Moran 1941-3-11 700 Los Angeles Santa Catalina Island. Ridge north of Middle Ranch 250 Comment
  UCR227640  Galvezia speciosa R. F. Thorne 1968-2-24 37916 Los Angeles Channel Islands, Santa Catalina Island, north bank of road from Fisherman's Cove 61 Comment
  SBBG52894  Gambelia speciosa F. C. Boutin 1967-4-23 1669 Los Angeles Lemon Tank 304 Comment
  SBBG132297  Gambelia speciosa S. A. Junak, B. Collins 1991-4-25 SCI- 231 Los Angeles overlooking E side of island, Triangulation Point "Jack" 259 Comment
  CAS-BOT-BC186347  Garrya flavescens Timothy S. Ross; Steve Boyd 1994-7-7 8147 Los Angeles Liebre Mountains: W end of the mountain, along descending Forest Service Road (7N23), ca 1140 m SW of Sandberg Triangulation Point (5345-ft) 1438 Comment
  CAS-BOT-BC159273  Garrya veatchii Ruth Ashton 1917-1-1 1949 Los Angeles Cajon Pass Comment
  LA40304  Garrya veatchii Joseph Andorfer Ewan; 1932-6-18 7354 Los Angeles San Gabriel Mountains, Clear Creek Fork of Tujunga Canyon 761 Comment
  UC1122719  Garrya veatchii H. A. Jensen 1933-1-30 261 Los Angeles Head of Little Dalton Canyon; Angeles National Forest, Pomona Quad. 1036 Comment
  UC303649  Garrya veatchii I. M. Johnston 1918-5-19 1983 Los Angeles San Antonio Canyon; San Antonio Mountains 1158 Comment
  CHSC99688  Gaura drummondii Johnson 1939-8-10 Los Angeles North Whittier Heights. Comment
  RSA0106509  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-29 15576 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  UC2029997  Genista canariensis Valerie Soza, LeRoy Gross 2001-4-18 1139 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, between Little Santa Anita and Santa Anita Canyons, southern end of FS Road 2N40 (San Olene Station). Comment
  CATA3525  Genista linifolia Kristy Lanz, Benjamin Dion, Niall Ogburn, Robert Gould 2018-4-9 001 Los Angeles Santa Catalina Island: Interior; Northwest-facing slope about 200 meters south of Haypress Reservoir in the Haypress watershed 407 Comment
  CDA4084  Genista linifolia J. B. Cook 1962-3-19 Los Angeles Catalina Island, Avalon Bay area. 0 Comment
  SEINET4044526  Geranium carolinianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  SD262347  Gilia R. G. Swinney 2011-5-12 14676 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Cyn. Rd., 0.5 mi west of angeles Forest Hwy (Pacifico Mtn 7.5'Q) 1182 Comment
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Dec 7 2018
  RSA570191  Gilia aliquanta subsp. aliquanta T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5027 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA729002  Gilia aliquanta subsp. aliquanta Gary D. Wallace, B. Gustafson, D. Minor, Michael Wallace, F. Runyon, B. Birdsal 1982-4-26 1970 Los Angeles Fort Tejon Road. Comment
  RSA639179  Gilia angelensis L. C. Wheeler 1967-5-29 9774 Los Angeles Cow Canyon Saddle, [covered former dump]. 1377 Comment
  SD234475  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Exon Mesa due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River (Newhall 7.5' Q) 334 Comment
  SD52974  Gilia angelensis Peter H. Raven 1962-3-27 17000 Los Angeles Palos Verdes Hills along Palos Verdes Drive, 1.4 miles east of Portugese Bend. Comment
  UC909023  Gilia angelensis Margaret Stason 1927-3-13 Los Angeles Pasadena Comment
  SBBG120067  Gilia angelensis A. C. Sanders with M. Elvin 2003-4-14 25965 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SEINET6061868  Gilia cana Scott D. White 1998-6-29 6832 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR108183  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., N of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  RSA0056280  Gilia gilioides L. Haines 1935-6-4 s.n. Los Angeles Little Dalton, San Gabriel Mts. Comment
  UCR119742  Gilia latiflora B. G. Pitzer 1998-5-12 3677 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  UCR167193  Gilia latiflora S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  RSA161672  Gilia latiflora subsp. davyi E. C. Twisselmann 1962-4-18 6974 Los Angeles Tejon ranch: Oso Canyon, 1 mile above the Oso corral. 1037 Comment
  POM9142  Gilia latiflora subsp. davyi W. R. Dudley, F. H. Lamb 1896-6-9 4381 Los Angeles Kings Canyon, Liebre Mts. Comment
  UC908820  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2970 Los Angeles four mi s Vincent (Soledad Pass (Mint Cayon Highway)); Soledad Pass, s of Vincent Comment
  RSA526066  Gilia nevinii Steve Boyd, Orlando Mistretta, L. Arnseth, Bart O'Brien, Tom Hayduk 1990-4-6 4165 Los Angeles San Clemente Island: head of Larkspur Canyon, E side of island, S of US Navy site called Jack. 213 Comment
  UCR281151  Gilia ochroleuca R. G. Swinney 2014-4-10 16037 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA0115689  Gilia ochroleuca subsp. bizonata A. C. Sanders 2006-4-21 32124 Los Angeles Tehachapi Mtns. Foothills: hills c. 1.25 miles ENE of Quail Lake, east of the Clement Plant Rd. and Calif. Aqueduct, N of Hwy 138. 982 Comment
  RSA0016266  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA0017220  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1994-4-12 1026 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1220 Comment
  RSA469479  Gilia ochroleuca subsp. bizonata N. C. Cooper 1948-4-21 2723 Los Angeles Saugus. 762 Comment
  JEPS4112  Gilia ochroleuca subsp. vivida Frank W. Peirson 1918-6-30 155 Los Angeles summit Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  RSA0017156  Gilia ochroleuca subsp. vivida L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  UC52479  Gilia ochroleuca subsp. vivida H. M. Hall Jun 3 1900-Jun 6 1900 1534 Los Angeles Swarthout Canyon San Antonio Mountains, Swarthout Canyon (San Antonio Mountains, Southern California) 2072 Comment
  UCR121132  Gilia sinuata June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  CAS-BOT-BC435000  Glinus lotoides Peter H. Raven 1962-8-1 s.n. Los Angeles In Rancho Santa Ana Botanic Garden, Claremont. Comment
  POM358783  Gnaphalium californicum James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA198823  Gnaphalium californicum R. F. Thorne 1968-5-27 37631 Los Angeles Santa Catalina Island: lower end of Middle Ranch Canyon, perhaps, 0.5 mile above Ben Weston Beach Comment
  RSA631381  Gnaphalium californicum Valerie L. Soza, Kent Hughes 1999-6-4 469 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 365 Comment
  RSA91756  Gnaphalium californicum F. W. Peirson 1925-4-23 5808 Los Angeles San Gabriel River 305 Comment
  IRVC26964  Gnaphalium canescens subsp. microcephalum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 2999 Los Angeles Newhall Ranch, mouth of Castaic Creek, S of SR 126 Santa Clarita Valley 290 Comment
  RSA703547  Gnaphalium canescens subsp. microcephalum Michael Honer 2004-6-22 2009 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UCR61030  Gnaphalium luteoalbum R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  CDA6033  Gnaphalium luteoalbum E. M. Becker 1951-9-17 Los Angeles Preston Ranch, Lancaster. 0 Comment
  RSA534058  Gnaphalium luteoalbum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5265 Los Angeles San Clemente Island: Westerly fork of near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336ft) marker, 1800ft SE of Malo Knoll (1396ft). 313 Comment
  CAS-BOT-BC302602  Gnaphalium palustre John Thomas Howell 1931-5-29 6560 A Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  UCR172446  Gnaphalium stramineum Anuja Parikh, Nathan Gale 2005-7-8 2131 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills between Potrero Canyon and Long Canyon, study area 25 412 Comment
  UCR61071  Gnaphalium stramineum R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  UCR86843  Gnaphalium stramineum Scott D. White 1995-4-27 2956 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  SD43397  Grayia spinosa Darley F. Howe 1948-5-3 Los Angeles 1.5 miles south of Lancaster. 609 Comment
  POM359087  Grindelia robusta F. R. Fosberg 1930-6-30 3073 Los Angeles Del Rey. 1 Comment
  OBI34892  Grindelia stricta var. platyphylla David J. Keil 1983-8-23 17866 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  RSA339716  Guillenia lasiophylla R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55006 Los Angeles S of Emma Mountain Road, just E of Little Rock Creek 1006 Comment
  UC1127029  Guillenia lasiophylla Jerome S. Horton 1937-5-18 444 Los Angeles Tanbark Flats Pomona Quad. 822 Comment
  RSA587401  Guillenia lasiophylla Orlando Mistretta 1995-4-5 1600 Los Angeles Drainage W of Little Rock Creek Reservoir. 473 Comment
  CAS-BOT-BC304626  Gutierrezia californica Brandegee No date on label s.n. Los Angeles Los Angeles Comment
  POM359226  Gutierrezia californica F. R. Fosberg 1931-7-11 7197 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  UCR139913  Gutierrezia californica Scott D. White 1997-5-14 5128 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCR182389  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  UCR210525  Gutierrezia californica R. G. Swinney 2008-12-6 9958 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
  JEPS18984  Gutierrezia sarothrae Frank W. Peirson 1918-10-16 277 Los Angeles entrance to canyon Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon 457 Comment
  POM246601  Harpagonella palmeri F. R. Fosberg 1931-3-26 S- 4384 Los Angeles Santa Catalina Island. West of Hamilton s Beach. 50 Comment
  RSA583083  Harpagonella palmeri T. S. Ross 1993-4-22 6921 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  RSA725759  Harpagonella palmeri A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26265 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  SBBG113115  Harpagonella palmeri S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 255 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  CAS-BOT-BC307295  Hazardia squarrosa var. grindelioides C. F. Saunders 1910-11-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA0065374  Hedera Bob McKeand 1949-1-16 s.n. Los Angeles Santa Anita Canyon, Arcadia. 396 Comment
  JEPS35537  Helenium bigelovii F. W. Peirson 1918-7-8 244 Los Angeles nw of North Ontario; San Antonio Canyon 1828 Comment
  POM359739  Helenium bigelovii F. R. Fosberg 1931-8-10 s 5634 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  UCR190081  Helenium bigelovii R. G. Swinney 1998-8-5 6635 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA638949  Helianthemum scoparium L. C. Wheeler 1967-5-15 9558 Los Angeles San Gabriel Mountains: Fremont Pass, north side. 563 Comment
  RSA640382  Helianthemum scoparium L. C. Wheeler 1967-5-23 9696 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA702192  Helianthemum scoparium Scott D. White, Pam DeVries 2004-6-14 10486 -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
  CAS-BOT-BC305420  Helianthus annuus LeRoy Abrams 1902-7-3 2640 Los Angeles Sierra Madre Comment
  CAS-BOT-BC305411  Helianthus annuus John Thomas Howell 1960-3-23 35144 Los Angeles Foothill Blvd., Tujunga Wash Comment
  POM359981  Helianthus annuus var. lenticularis Elbert Benjamine 1929-1-6 s.n. Los Angeles Between N Ave. 61 and Arroyo Seco, Los Angeles. Comment
  UC1424926  Helianthus gracilentus Jack Delaini and Barbara Shervanick 1974-5-23 208 Los Angeles near firebreak on top of e ridge Lodi Canyon; Angeles National Forest, San Dimas Experimental Forest 807 Comment
  RSA483714  Heliotropium amplexicaule Richard Noyes, L. Arnseth 1988-4-30 507 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  SBBG131907  Heliotropium curassavicum S. A. Junak 2000-6-30 SCa 1357 Los Angeles upper end of Little Harbor, near camp area, cmpgrd (N end) 7 Comment
  POM369753  Heliotropium curassavicum var. oculatum Wm. Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  RSA127790  Heliotropium curassavicum var. oculatum H. J. Thompson, P. Raven 1959-9-6 14374 Los Angeles At mouth of Malibu Creek 5 Comment
  UC32396  Hemizonella minima unknown 1896-5-25 Los Angeles Wilson's Peak Comment
  SBBG117015  Herniaria hirsuta var. cinerea S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1544 Los Angeles Cottonwood Cyn, along Cottonwood-Blackjack Rd, ca. 1.65 mi WSW of Blackjack Pk 304 Comment
  RSA681296  Hesperocnide tenella LeRoy Gross, Valerie Soza 2003-5-15 913 -a Los Angeles 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 where we started. 366 Comment
  CAS-BOT-BC143696  Heteromeles arbutifolia June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Dunicks landing to Isthmus Comment
  RSA454317  Heteromeles arbutifolia F. R. Fosberg 1931-5-21 s- 4957 Los Angeles Cherry Valley, Santa Catalina Island. 20 Comment
  SD146169  Heteromeles arbutifolia Andy C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23273 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Canyon watersheds 609 Comment
  LA105050  Heterotheca grandiflora Barry A. Prigge; 1988-7-3 8218 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA0031804  Heterotheca grandiflora Geraldine Dodd 1992-5-25 025 Los Angeles 2 miles north of Santa Anita Canyon Rd. from Sturtevant Dr. intersection. 457 Comment
  RSA0075656  Heterotheca grandiflora Scott D. White 1997-5-8 5082 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  SFV3985  Heterotheca grandiflora K. A. Wilson 1961-2-8 841 Los Angeles Santa Susana Mountains Small canyon on Route 99, about 1 mile south of Route 6 intersection. 425 Comment
  RSA0075645  Heterotheca grandiflora F. W. Peirson 1918-10-15 281 Los Angeles Foot of Echo Mountain Trail, south base of San Gabriel Mts. 548 Comment
  RSA0105223  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-27 15907 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  UC1929799  Heuchera caespitosa Mark Elvin, Orlando Mistretta 1995-9-15 100 Los Angeles Transverse Ranges; San Gabriel Mountains region: Glendora Saddle up trail to Lookout Mountain. Comment
  UCR194006  Heuchera elegans R. G. Swinney 1998-7-28 6517 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  RSA0063270  Heuchera elegans F. W. Peirson 1922-5-30 67 Los Angeles West spur of Mt Lowe, San Gabriel Mountains. 1341 Comment
  CATA1643  Hirschfeldia incana Mark L. Hoefs, Steven A. Junak 1998-6-12 2926 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  CAS-BOT-BC55359  Hirschfeldia incana Peter H. Raven; Henry J. Thompson 1959-9-6 14376 Los Angeles Santa Monica Mountains. Near mouth of Malibu Creek. 12 Comment
  SDSU2431  Hirschfeldia incana Gerald Collier 1951-4-7 M 194 Los Angeles About 2 miles west of U.S Hwy 101. Comment
  UCD114617  Hirschfeldia incana Louis C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Ridge 1/2 mile WNW Pine Mt. 1249 Comment
  UCR179260  Holodiscus discolor R. G. Swinney 1989-7-17 s.n. Los Angeles San Gabriel Mtns., in and near Glendora [= Big Dalton] Wilderness Park, in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 610 Comment
  CAS-BOT-BC149949  Holodiscus discolor var. discolor Timothy S. Ross 1993-6-1 7358 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon 780 Comment
  SBBG31048  Hordeum depressum R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles behind N beach at Little Harbor 1 Comment
  UCR214619  Hordeum murinum A. C. Sanders, Dan S. Cooper 2010-3-12 37362 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA533435  Hordeum murinum subsp. glaucum Timothy S. Ross 1991-4-21 4514 Los Angeles Whittier Hills; (Puente Hills, pro parte); Middle Turnbull Canyon drainage just SW of old water tank. 220 Comment
  POM352465  Hordeum murinum subsp. leporinum M. B. Dunkle 1933-4-14 s.n. Los Angeles Long Beach. Comment
  CAS-BOT-BC532285  Horkelia cuneata var. puberula Geo B. Grant 1902-5-1 599 Los Angeles Garvanza Comment
  UCR223143  Horkelia rydbergii R. G. Swinney 2009-7-22 11343 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  LA31719  Hosackia crassifolia var. crassifolia Mary V. Hood; 1943-7-11 43- 85 k Los Angeles Charlton Flat 1310 Comment
  SBBG108576  Hulsea vestita subsp. gabrielensis T. Ross, S. Boyd 1990-5-23 2608 Los Angeles Mt Gleason area; descending from Messenger Pk, near headwaters of Mill Cyn 1719 Comment
  UC1930051  Hulsea vestita subsp. gabrielensis Valerie Soza, Sarah J. De Groot 2003-6-18 1690 Los Angeles Transverse Ranges; San Gabriel Mountains region; Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  RSA606182  Hymenoclea salsola Leota Brice 1930-5-22 s.n. Los Angeles Palmdale. Comment
  POM486  Hymenolobus procumbens L. R. Abrams 1899-04 238 Los Angeles Cienega. Comment
  JEPS30508  Hypochaeris glabra Donald Kyhos 1958-3-21 31 Los Angeles East Whittier Comment
  RSA601575  Hypochaeris glabra L. C. Wheeler 1967-6-16 9841 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side Coulter Reservoir. 655 Comment
  POM359497  Isocoma menziesii var. vernonioides T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  UC1118866  Isocoma menziesii var. vernonioides F. H. Raymond 1930-1-6 15 Los Angeles Escondido Canyon Triunfo Pass Quadrangle 335 Comment
  LA211270  Isolepis cernua Arthur C. Gibson; Tarja Sagar, Tony Valois 2007-9-6 5175 Los Angeles SANTA MONICA MOUNTAINS, Leo Carrillo State Beach Comment
  RSA527587  Jepsonia malvifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4412 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  CAS-BOT-BC101898  Juglans californica LeRoy Abrams 1902-3-11 3117 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC101905  Juglans californica Louis C. Wheeler 1931-11-11 351 Los Angeles N side Santa Monica Mts. opp. Franklin Canyon 365 Comment
  RSA599208  Juglans californica Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. 518 Comment
  RSA0011181  Juglans californica D. F. Howe 1947-3-22 s.n. Los Angeles Topanga Canyon 1/2 mile from ocean. Comment
  SFV4822  Juglans californica var. californica F. L. McPherson 1959-5-2 s. n. Los Angeles Santa Susana Mountains Oat Mountain. South side of mountain above summit. About 200 yards north of the telephone relay station. Comment
  UCR230592  Juglans regia Mike Misenhelter 2011-8-9 s.n. Los Angeles San Gabriel Valley, Walnut, along south side of Hwy 60 near Walnut Dr. and east of the Fairway exit, near Royal Vista Golf Course 159 Comment
  SBBG131559  Juncus bufonius S. A. Junak 1999-7-15 SCa 1030 Los Angeles Bulrush Cyn 237 Comment
  UCR224020  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 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
  UCR277238  Juncus duranii R. G. Swinney 2010-9-30 13939 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA719583  Juncus mexicanus R. G. Swinney 1997-7-22 5703 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA341417  Juncus patens F. C. Boutin 1967-4-23 1689 Los Angeles San Clemente Island: E side of island, next major drainageway and canyon SE of Lemon Tank. Comment
  UC1595240  Juncus rugulosus Tim Ross, Peter Fritsch 1990-6-20 3593 Los Angeles near the confluence of the East and West Forks of the San Gabriel River (mouth of Burro Canyon, San Gabriel Mountains); San Gabriel Mountains, Burro Canyon 445 Comment
  RSA605025  Juncus saximontanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR132298  Juncus textilis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  RSA628883  Juncus tiehmii L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  JEPS45906  Juncus xiphioides Joseph Andorfer Ewan 1934-8-11 8348 Los Angeles below Newcomb's Ranch; San Gabriel Mts., Chilao Region Comment
  CAS-BOT-BC80995  Juniperus californica Timothy S. Ross; Steve Boyd 1994-9-20 8224 Los Angeles Upper BEE CANYON: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road 740 Comment
  SEINET11736599  Juniperus californica D. P. Reagan 1974-1 20 Los Angeles 2 mi W of Gorman Comment
  NY786815  Keckiella breviflora var. breviflora T. S. Ross 1995-6-28 8625 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. Burnt Peak 7.5' USGS Quad. 707.1 Comment
  SD37445  Keckiella cordifolia Florence Post 1931-5-13 2053 C Los Angeles Santa Susanna Pass, hillside Comment
  CAS-BOT-BC238333  Keckiella ternata var. septentrionalis Tim Ross; Steve Boyd 1992-7-5 6603 Los Angeles Liebre Mountains. Red Mountain: E ridge of Red Mtn, ca 530 m E of the summit 1118 Comment
  POM50838  Kochia californica A. D. E. Elmer 1902-06 3717 Los Angeles Lancaster. Comment
  UCR258495  Lactuca serriola R. G. Swinney 2010-6-23 13316 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  SD31156  Lactuca serriola Edith A. Purer 1931-8-15 Los Angeles Palos Verdes Hills Comment
  CATA3248  Lamarckia aurea Amy Catalano 2017-2-15 005 Los Angeles Santa Catalina Island: Middle Ranch, roadside between driveway to house #104 and house #103 171 Comment
  UC38736  Lamarckia aurea Mrs. B. Jones 592 Los Angeles Los Angeles Comment
  RSA578639  Lamium amplexicaule Tim S. Ross, Darin Banks 1994-4-13 7535 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  RSA250616  Larrea tridentata J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39552 Los Angeles Ca. 2.5 mi. S of Pearblossom, 1/2 mi. S of junction of Valyermo-Littlerock and Pearblossom-Punchbowl roads in San Andrea Rift Zone. 1128 Comment
  CAS-BOT-BC338150  Lasthenia californica M. E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  POM50900  Lasthenia californica L. R. Abrams 1901-04 1228 Los Angeles Ballona Harbor Comment
  SD86348  Lasthenia californica R. Mitchel Beauchamp, M. Douglas 1972-3-24 3212 Los Angeles San Clemente Island 99 Comment
  POM361499  Lasthenia californica Helen M. Oster 1924-4-27 s.n. Los Angeles Foothills N, between Vermont and Western Ave- Los Angeles Comment
  RSA597814  Lasthenia californica L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 549 Comment
  UC30403  Lasthenia coronaria Harley P. Chandler 1897-2-10 Los Angeles Claremont 365 Comment
  POM5999B  Lasthenia coronaria C. F. Baker 1903-8-13 4091 Los Angeles Claremont Comment
  IRVC26175  Lasthenia glabrata subsp. coulteri Mark A. Elvin, Cathleen Weigand 2003-4-7 2435 Los Angeles Newhall Ranch, junction of Hasley Canyon and Castaic Creek Castaic Valley 335 Comment
  UC149269  Lasthenia glabrata subsp. coulteri LeRoy Abrams 1903-4-10 3240 Los Angeles Comment
  POM6018  Lasthenia gracilis L. R. Abrams 1903-3-14 3134 Los Angeles San Pedro Hills, near Rocky Point. Comment
  RSA579161  Lasthenia gracilis Timothy S. Ross, Darin Banks 1994-4-12 7489 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon ; ca 670 m SSE of where Drinkwater Canyon joins S. Fr. Canyon. 537 Comment
  UCSB8445  Lathyrus vestitus Haller, John 1950-3-26 Los Angeles San Gabriel Mtns., Little Dalton Canyon 457 Comment
  RSA90278  Lathyrus vestitus var. vestitus F. W. Peirson 1919-3-11 104 Los Angeles first canyon east of Rubio Canyon 549 Comment
  RSA434052  Lavatera assurgentiflora subsp. assurgentiflora F. R. Fosberg 1931-7-12 S 5390 Los Angeles Bird Rock, Santa Catalina Island. Comment
  UC871227  Lavatera assurgentiflora subsp. assurgentiflora I. W. Clokey and B. C. Templeton 1936-5-18 5664 Los Angeles Puddingstone Reservoir Comment
  SBBG12943  Lavatera assurgentiflora subsp. glabra E. R. Blakley 1962-10-4 5395 Los Angeles Avalon Terrace in Avalon 30 Comment
  SBBG78595  Lavatera assurgentiflora subsp. glabra F. R. Fosberg 1931-5-22 7167 Los Angeles Bird Rock, Isthmus Harbor Comment
  RSA0093136  Layia glandulosa Steve Boyd, Gary D. Wallace 2011-4-14 12317 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
  RSA595114  Layia glandulosa Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8580 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  RSA595650  Layia glandulosa Timothy S. Ross, Victor W. Steinmann 1995-5-8 8559 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR220260  Layia glandulosa R. G. Swinney 2009-4-28 10502 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  POM97151  Layia glandulosa P. A. Munz 1925-4-23 9420 Los Angeles San Gabriel Canyon 305 Comment
  RSA225707  Layia platyglossa subsp. campestris R. F. Thorne, A. C. Gibson 1971-5-22 39732 Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 305 Comment
  RSA533940  Layia platyglossa subsp. campestris Timothy S. Ross, Mike Hammitt, Orlando Mistretta 1991-5-18 5222 Los Angeles San Clemente Island: SE end of island in the vicinity of Knob, 5100 ft NW of Guds. 297 Comment
  CATA384  Lepechinia fragrans Mark L. Hoefs 1974-5-2 445 Los Angeles Santa Catalina Island: By road on south side of Mt. Black Jack 457 Comment
  RSA0111944  Lepidium fremontii Richard G. Swinney 2011-4-19 14404 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  SEINET3860002  Lepidium fremontii R. G. Swinney 2009-4-24 10470 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east.; 0 1000 Comment
  SD193045  Lepidium latifolium Scott D. White, Justin Wood 2008-5-19 12019 Los Angeles Los Angeles Basin: Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 Freeway. SCE powerline corridor. 67 Comment
  SD54845  Lepidium pinnatifidum E. Norland 1963-10-12 Los Angeles South Hawthorne Ave., Torrance. Comment
  SBBG127524  Lepidium strictum M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2862 Los Angeles Toyon Bay 30 Comment
  RSA0107829  Lepidium strictum Steven A. Junak 2000-5-19 SCa- 1308 Los Angeles Santa Catalina Island. Along road on SE side of Echo Lake. 390 Comment
  UCR144091  Lepidium virginicum var. pubescens Scott D. White 1998-6-10 6716 Los Angeles San Gabriel Mtns, San Antonio Canyon, c. 1.5 air mi N of San Antonio Dam/Shinn Road (=Mountain Ave) Bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station 777 Comment
  RSA602468  Lepidospartum squamatum Scott D. White 1997-5-15 5146 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. 335 Comment
  RSA739777  Lepidospartum squamatum John Dittes 2006-1-2 1307 Los Angeles Transverse Ranges, San Gabriel Mtns: Big Tujunga Canyon, 3.2 air miles SW of Gold Canyon Saddle, 1.3 air miles NE of intersection of Sunland Blvd and 210 Fwy, 1.1 air mile NW of Verdugo Hills Highschool,, near Oro Vista Ave where it crosses Big Tujunga Creek 393 Comment
  UCR258854  Lepidospartum squamatum R. G. Swinney 2010-3-16 11924 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
  UCR210540  Leptochloa R. G. Swinney 2008-12-4 9939 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA352727  Leptochloa fusca subsp. uninervia Geo. L. Moxley 1917-9-19 639 Los Angeles In street, Oakwood, between Harward and Hobart, Los Angeles. Comment
  RSA468562  Leptosiphon androsaceus I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  SBBG53218  Leptosiphon bicolor S. A. Junak 1978-4-16 SCa 51 Los Angeles next to rd on NW side of Isthmus Cove, NW of wharf Comment
  UCR221918  Leptosiphon breviculus R. G. Swinney 2009-4-28 10524 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA783255  Leptosiphon grandiflorus J. D. Olmsted 97 Los Angeles ALong San Antonio Creek in Blanchard Park Pomona College campus, Claremont near east end of Los Angeles County 366 Comment
  POM364634  Leptosiphon liniflorus Museum Jrs. 1945-06 2134 Los Angeles Seminole Hot Springs. Comment
  LA200963  Leptosiphon pygmaeus subsp. continentalis Carl Wishner; 1997-4-3 CW- 2472 Los Angeles Santa Monica Mountains, Cornell, hills just E of Los Angeles County Fire Station 275.0 Comment
  RSA593560  Lessingia glandulifera var. glandulifera Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8918 A Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  UCR256241  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-5-19 12839 Los Angeles San Gabriel Mountains, 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
  RSA562716  Lessingia glandulifera var. glandulifera D. Charlton 1991-5-18 5193 a Los Angeles Piute Ponds, Edwards AFB, Mojave DEsert, Antelope Valley, Halophytic Phase Saltbush scrub with Joshua Tree and Shadcale with 4 wing Saltbush 709 Comment
  UC212955  Lewisia rediviva I. M. Johnston 1917-6-20 1493 Los Angeles Baldy Lookout of USGS San Antonio Mountains 1981 Comment
  RSA65446A  Lewisia rediviva F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  UCR1537  Lewisia rediviva var. minor Ken Calhoun 1962-5-12 108 Los Angeles San Gabriel Mtns, Blue Ridge, 8 mi west of Wrightwood 2134 Comment
  UCR256477  Lilium humboldtii subsp. ocellatum R. G. Swinney 2010-6-8 13205 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UCR272480  Linanthus breviculus Mitch Provance 2016-6-27 616- 16 Los Angeles San Gabriel Mountians, Big Pines, Camp McClellan, N side of Table Mountain Rd. 2171 Comment
  RSA468479  Linanthus californicus F. R. Fosberg 1931-3-1 S- 4225 Los Angeles Topanga Canyon, 1.5 mi. below Wildwood, Santa Monica Mountains. 75 Comment
  RSA716672  Linanthus dichotomus Scott D. White, Pam De Vries 2006-5-10 11456 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
  RSA0014785  Linanthus liniflorus Robert L. Dressler 1949-6-18 878 Los Angeles Johnstone Peak, San Gabriel Mts. 853 Comment
  JEPS58539  Linanthus parryae Frank W. Peirson 1921-5-20 940 Los Angeles Little Rock Creek San Gabriel Mountains 1066 Comment
  RSA772524  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  UCSB18571  Linanthus parryae Shaw, Merrilee 1963-5-3 Los Angeles along State Highway 138, 9.4 miles west of San Bernardino Co. Line, Mojave Desert 975 Comment
  RSA251499  Linaria canadensis var. texana Robert F. Thorne 1973-4-11 42787 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  RSA84372  Lithophragma bolanderi F. W. Peirson 1918-5-21 69 Los Angeles Arroyo Seco near Pasadena 457 Comment
  RSA439333  Lobelia dunnii var. serrata L. E. Hoffman 1927-8-19 s.n. Los Angeles Arroyo Seco, near Switzer's Camp Comment
  SEINET11182033  Lobelia dunnii var. serrata Unknown 2009-8-6 11531 Los Angeles San Gabriel Mountains Comment
  RSA436046  Lobularia maritima Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  UCR210017  Lobularia maritima R. G. Swinney 2008-12-2 9915 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  CAS-BOT-BC174511  Loeflingia squarrosa Alice Eastwood 1906-6-5 250 Los Angeles Roscoe Comment
  UC1348965  Logfia filaginoides Robert F. Thorne 1966-4-4 35760 Los Angeles bluff se of Ballast Point and Catalina Harbor (Isthmus); Santa Catalina Island 60 Comment
  SD264776  Logfia gallica Steven A. Junak, Ralph N. Philbrick 2001-5-18 Sca 153 Los Angeles UTM in supplement. Santa Catalina Island. Cottonwood Canyon, just S of Cottonwood-Blackjack Road, ca 2.6 miles inland from mouth of canyon. 256 Comment
  RSA187921  Lolium perenne subsp. multiflorum R. F. Thorne 1966-6-1 36467 Los Angeles Pebbly Beach terminal, Santa Catalina Island. 6 Comment
  UCR126882  Lomatium dasycarpum A. C. Sanders 2003-4-29 26171 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA654440  Lomatium lucidum Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 981 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler Canyon, S of La Tuna Canyon. 426 Comment
  UCR51039  Lomatium mohavense A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7765 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  SBBG28219  Lomatium utriculatum F. W. Peirson 1921-2-26 2358 Los Angeles Topanga Cyn 304 Comment
  UCR258900  Lonicera subspicata R. G. Swinney 2010-8-16 13528 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR121252  Lotus J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  RSA0110924  Lotus corniculatus R. G. Swinney 2010-10-5 13981 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA679287  Lotus crassifolius var. crassifolius Mark Elvin, Anne Marie Ruff 1996-8-1 303 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 4.2 mi from gate. Both sides of road. Comment
  RSA529152  Lotus crassifolius var. crassifolius T. S. Ross 1991-7-24 5614 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1890 Comment
  RSA589182  Lotus humistratus T. S. Ross 1991-4-28 4750 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UC1870244  Lotus micranthus LeRoy Gross, Naomi Fraga 2002-5-16 542 Los Angeles Transverse Ranges; San Gabriel Mountains: (Angeles National Forest road survey of 2002) Van Tassel road a short distance southeast of White Saddle 976 Comment
  UCR209901  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA406122  Lotus nevadensis var. davidsonii M. B. Dunkle 1933-7-11 3640 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  RSA530049  Lotus nevadensis var. davidsonii T. S. Ross 1991-8-16 5833 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  UCR205240  Lotus oblongifolius R. G. Swinney 2005-8-11 8447 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA406208  Lotus oblongifolius var. oblongifolius F. R. Fosberg 1931-8-15 S 5544 Los Angeles Big Cienega , pine Flats, N. fork San Gabriel River 2000 Comment
  UCR14447  Lotus procumbens George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns., Calif. Hwy 2, 2 miles SW of Calif. Hwy 138, beside Sheep Creek 1524 Comment
  UCR229129  Lotus purshianus Dan S. Cooper 2011-5-10 511- 74 A Los Angeles San Gabriel Valley, San Gabriel, NE corner of South Arroyo Dr. and West Santa Anita Ave., near San Gabriel Mission 128 Comment
  SEINET3860266  Lotus salsuginosus R. G. Swinney 2009-4-21 10417 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mile north (upstream) of Puente Largo bridge.; 0 192 Comment
  UCR126362  Lotus salsuginosus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR155116  Lotus salsuginosus A. C. Sanders 2005-5-5 29909 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UC864877  Lotus salsuginosus var. salsuginosus Carl B. Wolf 1932-5-9 Los Angeles 0.5 mi from Avalon (on road to Pebbly Peach); Santa Catalina Island 7 Comment
  POM306251  Lotus scoparius Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1369 Los Angeles North Craig Ave., Altadena. Comment
  RSA406854  Lotus scoparius A. Menke 1955-4-21 s.n. Los Angeles Faculty Hill, UCLA campus Comment
  RSA0047410  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR200010  Lotus scoparius var. scoparius Valerie Soza, Mariam Sidibeh 2003-3-26 1600 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Haines Canyon Park vicinity, SSW of Dorothy and Estepa Drive intersection 549 Comment
  HSC87155  Lotus strigosus Steve Boyd, T. S. Elias 1987-4-14 2037 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA406305  Lotus strigosus Anstruther Davidson 1894-04 s.n. Los Angeles Elysian Park, Los Angeles Comment
  RSA594588  Lotus strigosus L. C. Wheeler 1967-5-7 9291 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  UCR223771  Lotus strigosus R. G. Swinney 2009-6-17 11172 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR269940  Lotus strigosus R. G. Swinney 2010-4-13 12186 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR271093  Lotus strigosus R. G. Swinney 2011-6-6 14993 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA232802  Lotus strigosus var. strigosus R. F. Thorne 1966-4-17 36118 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  RSA406359  Lotus wrangelianus Samuel R. Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 381 Comment
  UCR192960  Lupinus R. G. Swinney 1998-7-14 6445 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  CATA1634  Lupinus albifrons Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-6-11 2917 Los Angeles Santa Catalina Island: Upper Avalon Canyon, near horse trail 109 Comment
  SEINET5327628  Lupinus albifrons M. Walker 1963-4-28 s.n. Los Angeles La Ballona Creek. 3 Comment
  SBBG95405  Lupinus albifrons var. douglasii M. B. Dunkle 1949-7-25 Los Angeles Coach Rd Comment
  SEINET10488493  Lupinus arboreus David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa 6846 x Comment
  RSA0103785  Lupinus bicolor R. G. Swinney 2011-4-20 14462 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA758009  Lupinus bicolor D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4261 A Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. & 1.61km N of Plum Cyn. 482 Comment
  SD224966  Lupinus bicolor B. Pitzer 1996-4-20 2694 Los Angeles Western Mojave Desert, Antelope Valley. N side of St Hwy 138 (=Ave.D), ca 2 mi. W of Country Store, at town of Neenach(ca. 30 mi. W of Hwy I-14) 915 Comment
  SFV22132  Lupinus bicolor V. Soza, S. Caplow 2003-4-11 1629 Los Angeles Verdugo Mountains Head of Brand Canyon in vicinity of Brand Park, alongside Brand Park Mountainway, north side of powerline tower on west-northwest-facing slope. 640 Comment
  UC1871215  Lupinus bicolor T. S. Ross, Walter Appleby 1993-5-20 7207 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCR219463  Lupinus bicolor R. G. Swinney 2009-3-25 10153 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  PASA810  Lupinus bicolor Sally Ellis 1939-3-24 Los Angeles Claremont Comment
  POM12321  Lupinus bicolor subsp. microphyllus F. L. Robinson 1921-5-9 66 Los Angeles Claremont. Comment
  RSA527784  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4348 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA407100  Lupinus breweri var. grandiflorus I. M. Johnston 1917-6-20 1491 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
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Jun 23 2015
  OBI43744  Lupinus chamissonis A. C. Sanders 1986-7-30 6831 Los Angeles El Segundo dunes, immediately W of L.A. International airport and Pershing Dr, E of Vista Del Mar Blvd 30 Comment
  POM2553  Lupinus chamissonis L. R. Abrams 1899-05 272 Los Angeles Ballena [Ballona] Harbor Comment
  RSA39055  Lupinus chamissonis E. A. Purer 1935-5-12 6597 Los Angeles El Segundo. Comment
  RSA0042231  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2851 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach. 381 Comment
  UCR193431  Lupinus concinnus subsp. orcuttii Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, Santa Clara Riverbed, 1 km west of Sand Canyon Rd., Santa Clarita 460 Comment
  RSA579318  Lupinus elatus T. S. Ross 1994-5-31 7980 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  SBBG69067  Lupinus excubitus R. Hoffmann 1931-4-28 Los Angeles W end of Bouquet Cyn Comment
  UC56602  Lupinus excubitus var. austromontanus H. M. Hall 1902-5-2 3076 Los Angeles Elizabeth Lake 1066 Comment
  LA83665  Lupinus excubitus var. johnstonii O. H. Kappler; 1947-6-7 1473 Los Angeles San Gabriel Mountains, Mount Waterman Area, along Angeles Crest Hiway 2133 Comment
  UC285022  Lupinus formosus P. A. Munz 1923-5-26 6856 Los Angeles Vincent Gulch; San Gabriel Mts., Vincent Gulch 1981 Comment
  SEINET6655428  Lupinus latifolius var. parishii Victor Duran 1933-7-21 3523 Los Angeles Buckhorn, San Gabriel Mts.; 0 1981 Comment
  CAS-BOT-BC211652  Lupinus longifolius Le Roy Abrams 1901-4-1 1230 Los Angeles Ballona Harbor Comment
  SEINET10485620  Lupinus longifolius Payne 1948-1 PAYNE 18882 Los Angeles Origin palos verdes hills. Garden plant # 6457 from 5879. Comment
  SEINET10485629  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  RSA0034183  Lupinus microcarpus Pam De Vries 2013-4-17 7851 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1036 Comment
  UCR127069  Lupinus microcarpus var. densiflorus Mark A. Elvin, Cathleen Weigand 2003-4-7 2445 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  SBBG69381  Lupinus microcarpus var. horizontalis R. Hoffmann 1932-4-27 Los Angeles 1 mi E of Harold Comment
  RSA87027  Lupinus microcarpus var. microcarpus F. W. Peirson 1923-6-27 3536 Los Angeles On north bank Rock Creek. 1296 Comment
  POM20546  Lupinus microcarpus var. microcarpus F. W. Peirson 1922-6-4 4223 Los Angeles Soledad Pass, sw Mojave Desert. 945 Comment
  UC1870265  Lupinus peirsonii LeRoy Gross, Michael Denslow 2003-6-4 998 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, north side of Angeles Crest Highway (Hwy. 2), UTM Zone; 3802799N 0426371E. Along road, east of the saddle 2439 Comment
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Jun 11 2018
  SD254621  Lupinus sparsiflorus Dan S. Cooper 2015-3-18 315 3 Los Angeles Los Angeles Basin/Western Transverse Range: Eastern Santa Monica Mtns/Hollywood Hills at Hollywood Bowl. 155 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
  UCR258776  Lupinus sparsiflorus R. G. Swinney 2010-2-27 11776 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA191019  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1963-5-5 32278 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA414252  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1945-5-1 2181 Los Angeles Santa Monica Mountains 762 Comment
  RSA128275  Lupinus succulentus H. J. Thompson 1959-3-27 1900 Los Angeles Cold Canyon Road, 3 miles south west of Calabasas 427 Comment
  SD113426  Lupinus succulentus Darley F. Howe 1947-3-23 1521 Los Angeles Palos Verdes Comment
  SEINET3860259  Lupinus truncatus R. G. Swinney 2009-3-19 10144 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ca 100 m north of Hwy 39.; 0 230 Comment
  POM19124  Lupinus truncatus Philip A. Munz 1923-4-10 6744 Los Angeles San Clemente Island: canyon bottom on west coast. Comment
  RSA276046  Lupinus truncatus Jack Delaini 1974-4-5 101 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 442 Comment
  RSA414390  Lupinus truncatus James Clizbe 1930-5-6 16057 Los Angeles Griffith Park, Los Angeles. Comment
  POM49431  Lycium andersonii A. D. E. Elmer 1902-06 3757 Los Angeles Acton, Mt. Gleason. Comment
  SBBG12484  Lycium andersonii E. R. Blakley 1958-5-10 2299 Los Angeles Acton Cyn turn-off of US 6 1066 Comment
  CAS-BOT-BC231484  Lycium brevipes var. hassei Alice Eastwood 1916-8-1 s.n. Los Angeles Exposition Park, Los Angeles Comment
  SBBG31358  Lycium californicum R. F. Thorne with P. C. Everett 1965-5-11 34648 Los Angeles rd from Rancho Escondido above Cottonwood Dam in Cottonwood Cyn 106 Comment
  SD251809  Lycium californicum M. B. Dunkle 1940-3-18 7418 Los Angeles Santa Barbara Island, west end. Comment
  RSA711794  Lycium cooperi LeRoy Gross 2005-5-3 2206 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  LA33647  Lycopersicon esculentum Peter H. Raven; Henry J. Thompson 1959-10-14 14634 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Malibu Lake, E end of lake. 220 Comment
  RSA628363  Lyonothamnus floribundus subsp. aspleniifolius Steven A. Junak 1997-8-28 SCI- 959 Los Angeles San Clemente Island: E escarpment of island, above first canyon N of Knob Canyon, near UTM 11 0370950E 3634300N 250 Comment
  RSA578215  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Given, Gay 1994-8-2 8193 b Los Angeles Santa Catalina Island. Upper Gallagher Canyon; drainage origination just NE of Haypress Reservoir. 299 Comment
  SBBG51686  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -517 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  CATA440  Lysimachia arvensis Sara L. Crockett, Mark Elvin 1997-3-17 579 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road 335 Comment
  UC306254  Lythrum californicum D. L. Crawford 1915-7-10 Los Angeles Claremont Comment
  RSA435267  Lythrum californicum Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. [San Gabriel Mountains] 457 Comment
  RSA5892  Lythrum californicum Carl B. Wolf 1932-9-16 4112 Los Angeles Bryant Ranch: 200 feet E of State Highway at South boundary of 1.62 acre portion of NE 1/4 sect. 3. 2 Comment
  CAS-BOT-BC343703  Madia elegans Timothy S. Ross; Steve Boyd 1994-5-24 7847 Los Angeles Liebre Mountains. Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  JEPS32971  Madia elegans E. R. Blakley 1958-5-9 2267 Los Angeles 2 mi e Gorman 1097 Comment
  CAS-BOT-BC344382  Madia exigua Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  RSA729862  Madia gracilis R. G. Swinney 1999-5-29 7238 Los Angeles lower East Fork San Dimas Canyon. 573 Comment
  RSA639232  Madia gracilis R. F. Thorne 1971-5-18 41356 Los Angeles Santa Catalina Island: Near mine on Blackjack Mountain. 518 Comment
  RSA785789  Malacothamnus clementinus Mark A. Elvin, Stone and Wall 1996-8-8 326 Los Angeles San Clemente Island, Lemon Tank Cyn, N side in dump site, ca 30 ft below canyon rim. Comment
  NY37576  Malacothamnus clementinus R. F. Thorne 1973-4-10 42778 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  LA105093  Malacothamnus fasciculatus Barry A. Prigge; 1988-7-3 8230 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  LA200655  Malacothamnus fasciculatus Norman A. Cole; May 1964 392 Los Angeles Santa Monica Mountains, 3.1 mi. E from junction of Mulholland and Cornell Road 274 Comment
  RSA730299  Malacothamnus fremontii R. G. Swinney 1998-9-4 6919 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  CAS-BOT-BC345324  Malacothrix californica Geo. B. Grant 1902-5-1 745 Los Angeles Unspecified 304 Comment
  RSA95031  Malacothrix coulteri F. W. Peirson 1927-5-7 7273 Los Angeles 3 miles south of Muroc, Mojave Desert Comment
  CAS-BOT-BC323291  Malacothrix foliosa Peter H. Raven 1962-4-11 17279 Los Angeles Sandy beach due west of Wall 2, San Clemente Island 9 Comment
  RSA597447  Malacothrix foliosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5241 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  RSA0045266  Malacothrix saxatilis R. G. Swinney 2010-3-22 12011 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR157916  Malacothrix saxatilis Robert J. Steers 2005-5-8 5 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  CAS-BOT-BC347944  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1948-7-2 24769 Los Angeles Palos Verdes Hills Comment
  LA200247  Malacothrix saxatilis var. tenuifolia Jonathan Sauer; et. al. 1969-6-4 4576 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  POM362378  Malacothrix saxatilis var. tenuifolia L. E. Hoffman 1929-5-16 s.n Los Angeles Castle Rock, Santa Monica. Comment
  UC750620  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-12-20 46283 Los Angeles Malibu Comment
  UC831173  Malacothrix saxatilis var. tenuifolia Carl B. Wolf 1932-10-3 Los Angeles about 1.25 mi from Wrigley Drive (on road to Renton Mine, about at head of right fork of Pebbly Ceach Canyon); Santa Catalina Island 304 Comment
  CAS-BOT-BC347920  Malacothrix saxatilis var. tenuifolia J. G. Williamson 1928-8-4 s.n. Los Angeles Catalina Isl. Comment
  RSA386399  Malosma laurina R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC540139  Malus pumila Timothy S. Ross; Steve Boyd 1990-5-17 2575 Los Angeles Little Gleason Forestry Planttion: north side of Mt Gleason Road about the east headwaters of Gleason Canyon, and about 2 (air) miles E of Mt Gleason summit; San Gabriel Mountains Acton USGS 7.5' quadrangle 1767 Comment
  RSA0053885  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCD107551  Marah macrocarpa Kenneth A. Wilson 1961-3-11 973 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. Comment
  RSA52137  Marah macrocarpa I. L. Wiggins 1949-2-21 s.n. Los Angeles San Clemente Island: Wilson's Cove Comment
  SFV18456  Marah macrocarpa S. Haennelt May 1976 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park., west section. Comment
  RSA713811  Marah macrocarpa var. macrocarpa Valerie L. Soza, Miriam Sidibeh 2003-3-26 1620 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  CATA1069  Marrubium vulgare Mark L. Hoefs 1995-5-16 2009 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA0068438  Marrubium vulgare R. G. Swinney 2010-8-16 13557 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  PASA1162  Marrubium vulgare Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  UCD125017  Marrubium vulgare Jack Delaini; Ken Zakar 1974-4-30 143 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 853 Comment
  UCR154031  Matricaria matricarioides A. C. Sanders 2005-5-11 30202 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  POM308880  Meconella denticulata Kay H. Beach 624 Los Angeles San Dimas Experimental Forest. Trail to flumes no. 4 and no. 5. Comment
  POM97348  Meconella denticulata H. E. Hasse 1890-4-4 s.n. Los Angeles brushy foothills of Sierra Madre Comment
  POM348021  Medicago polymorpha M. B. Dunkle 1932-2-27 2868 Los Angeles Silver Canyon trail, Santa Catalina Island. Comment
  RSA675004  Medicago polymorpha LeRoy Gross 2003-2-22 735 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  SBBG117022  Medicago polymorpha S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1511 Los Angeles rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn 402 Comment
  UCR155933  Medicago polymorpha A. C. Sanders 2005-5-5 29894 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA602263  Medicago polymorpha var. brevispina Louis C. Wheeler 1946-4-22 6193 Los Angeles Alhambra. Valley Blvd., one block west of Fremont. Comment
  RSA669143  Medicago sativa LeRoy Gross 2002-6-24 543 Los Angeles Along La Tuna Canyon Road 488 Comment
  UCR205627  Melaleuca citrina A. C. Sanders, T. B. Salvato 2009-5-19 36840 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  POM357053  Melica imperfecta Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  POM50677  Melica imperfecta A. D. E. Elmer 1902-06 3646 Los Angeles Acton, Mt. Gleason Comment
  RSA0021017  Melica imperfecta Duncan S. Bell, Caitlin Elam 2013-7-11 5364 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA0091078  Melica imperfecta R. G. Swinney 2011-4-9 14377 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA660786  Melica imperfecta J. Doughty 1985-5-19 187 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
  SBBG128545  Melica imperfecta M. L. Hoefs, R. Given 1992-4-16 1795 Los Angeles Wild Boar Gully 152 Comment
  UC120494  Melica imperfecta T. S. Brandegee 1890-5-12 58 Los Angeles Santa Catalina Island Comment
  UCD87864  Melica imperfecta Peter Kamb 1948-7-13 1214 Los Angeles San Gabriel Mts, Big Tujunga Canyon at Wildwood. 548 Comment
  UCR219824  Melica imperfecta R. G. Swinney 2009-4-16 10369 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA403512  Melica stricta Bonnie C. Templeton 1933-5-15 5137 Los Angeles Ranger Station, Big Pines Park, San Gabriel Mountains. 2088 Comment
  UCR223358  Melica stricta R. G. Swinney 2009-5-20 10829 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  SFV15336  Melilotus albus J. C. Dittes, D. Stolp 1990-3-10 45 Los Angeles San Gabriel Mountains Along streambed above Big Tujunga flood control reservoir. 732 Comment
  RSA608722  Melilotus albus L. C. Wheeler 1931-3-14 s.n. Los Angeles La Verne. Comment
  SBBG12330  Melilotus albus P. H. Raven 1962-7-10 17959 Los Angeles rd just above big dune near NW end of island Comment
  SD31166  Melilotus albus Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills, fields Comment
  UCR260378  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CATA457  Melilotus indicus Sara L. Crockett, Mark Hoefs, Steve Junak 1997-3-27 600 Los Angeles Santa Catalina Island: 0.2 mile N on Lower Cape Canyon Reservoir Road from jct. with Cape Canyon Road; ca. 10 m E of road 286 Comment
  HSC98387  Melilotus indicus Wendell Wood 1970-6-17 6 Los Angeles 3135 Linda Vista Rd., Glendale 366 Comment
  RSA534153  Melilotus indicus Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5051 b Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  SD86349  Mentzelia affinis R. Beauchamp, M. Douglas 1972-3-24 3216 Los Angeles West side of canyon, San Clemente Island 99 Comment
  UCR189740  Mentzelia congesta R. G. Swinney 1998-7-10 6383 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA69710  Mentzelia dispersa F. W. Peirson 1921-6-14 2466 Los Angeles Trail F of San Gabriel RiverSan Gabriel Mts. 976 Comment
  SD38201  Mentzelia micrantha Edith A. Purer 1931-5-8 2052 B Los Angeles Griffith Park Comment
  UCR219924  Mentzelia micrantha R. G. Swinney, Jane Strong 2009-4-21 10403 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
  RSA733283  Mentzelia montana R. G. Swinney 2001-6-16 7981 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  UC19587  Mentzelia montana J. H. Barber 1897-6-28 211 Los Angeles Kentucky Springs Comment
  RSA0060674  Mentzelia ravenii R. G. Swinney 2009-4-24 10461 Los Angeles Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground. 915 Comment
  UCR119281  Mentzelia ravenii A. C. Sanders, D. Malueg 1998-6-22 22041 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
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Apr 10 2008
  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
  SBBG94226  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 4891 Los Angeles Little Harbor 2 Comment
  RSA402637  Mesembryanthemum nodiflorum Robert Gustafson 1980-8-29 1798 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  RSA611356  Microseris Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10107 A Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  RSA251534  Microseris douglasii subsp. platycarpha R. F. Thorne 1973-4-11 42819 a Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  RSA603694  Microseris douglasii subsp. platycarpha L. C. Wheeler 1936-4-12 4092 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  RSA158255  Microseris heterocarpa P. H. Raven 1962-4-9 17144 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  RSA533884  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5167 Los Angeles San Clemente Island; 950 ft WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  POM363467  Microseris lindleyi B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 250 Comment
  UCR153141  Microseris lindleyi A. C. Sanders, T. B. Salvato 2005-4-26 29728 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UCR192000  Microseris lindleyi A. C. Sanders 2008-4-17 34950 Los Angeles Transverse Range, foot of hill c. 1 mile SW of Neenach School, c. 1.5 mi. west of mouth of Pine Canyon 945 Comment
  RSA598854  Mimulus androsaceus Steve Boyd, Tim S. Ross 1997-3-21 9228 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1311 Comment
  POM8485  Mimulus aurantiacus var. pubescens P. A. Munz, R. D. Harwood 1920-3-13 3339 Los Angeles San Jose Hills, 3 miles W of Pomona. 305 Comment
  RSA0060192  Mimulus aurantiacus var. pubescens Robert M. Perkins 1935-5-4 72 Los Angeles Hendrick's Canyon. Comment
  UCR142508  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Channel Islands, Johnson's Valley, Santa Catalina Island 200 Comment
  UCR205225  Mimulus bigelovii R. G. Swinney 2008-5-2 8723 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA653786  Mimulus brevipes J. Bogdanoff-Lord 1989-5-24 28 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  POM158260  Mimulus cardinalis M. B. Dunkle 1928-5-13 1951 Los Angeles Cottonwood Canyon, Santa Catalina Island. 15 Comment
  POM5109  Mimulus cardinalis C. F. Baker 1903-8-2 3457 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA250513  Mimulus cardinalis Robert F. Thorne, John Dourley 1967-10-10 37355 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR248884  Mimulus cardinalis Peter Rubtzoff 1988-10-7 9962 Los Angeles San Gabriel Mountains, Gold Creek Road near junction with Little Tujunga Road, Little Tujunga Canyon, c. 2 miles NE of entrance to Angeles National Forest, or c. 4 miles NE of junction of Osborne St. and Foothill Blvd. 479 Comment
  RSA420686  Mimulus cardinalis Cora Mae Life 1923-07 15 Los Angeles Claremont Canyon. Comment
  RSA733676  Mimulus floribundus R. G. Swinney 1998-8-5 6651 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  POM306775  Mimulus floribundus Henry J. Ramsey, Henry J. Ramsey 1937-9-2 I 622 Los Angeles Angeles Crest Highway, 3 miles below Mt. Wilson. Comment
  RSA408114  Mimulus fremontii Robert Gustafson, Gary D. Wallace 1982-4-26 2540 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA725126  Mimulus fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 66 A Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA598359  Mimulus guttatus Louis C. Wheeler 1967-5-24 9749 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  UCR192924  Mimulus guttatus Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, lower Brush Canyon, Los Angeles 200 Comment
  POM308417  Mimulus guttatus Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3103 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA797956  Mimulus guttatus E. A. Purer 1935-5-11 6575 Los Angeles Malibu Road, [Santa Monica Mountains] Comment
  LA209346  Mimulus johnstonii B. R. Lower; 1954-5-14 sn Los Angeles San Gabriel Mountains, 0.5 mi E of Little Rock Palmdale Dam Comment
  UC501468  Mimulus johnstonii Joseph Andorfer Ewan 1932-6-17 7242 Los Angeles n side San Gabriel Peak; San Gabriel Mts. 1737 Comment
  RSA0039732  Mimulus longiflorus Roxanne Smith 1991-5-12 26 Los Angeles Hills 0.6 mi. south-east of Golden Springs and DIamond Bar Blvd. Comment
  RSA602746  Mimulus moschatus Louis C. Wheeler 1967-8-1 10198 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  RSA588304  Mimulus pilosus Orlando Mistretta 1994-4-15 1067 A Los Angeles Santiago canyon: W slopes of drainage near confluence with Little Rock Creek. 1113 Comment
  POM344  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of USFS. 2134 Comment
  SBBG18743  Mirabilis californica E. R. Blakley 1963-4-7 5501 Los Angeles Little Harbor 15 Comment
  UCR240275  Mirabilis laevis S. J. Myers 2010-6-14 s.n. Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, Southern California Edison transmission tower on a low ridge at the eastern end of the Antelope Buttes, east of 130th St. West, north of West Ave. E 8, NW of Lancaster 822 Comment
  HSC24475  Mirabilis laevis Gary D. Cromwell, David Wheat 1971-4-30 607 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora above ravine E of canyon 465 Comment
  CAS-BOT-BC434622  Mirabilis laevis var. crassifolia Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  POM305306  Mirabilis laevis var. crassifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-22 626 Los Angeles Santa Susana Pass 293 Comment
  SBBG69861  Mirabilis laevis var. crassifolia R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, below Bob's Place Comment
  SD90453  Mirabilis laevis var. crassifolia Robert F. Thorne, M. Z. Thorne 1973-2-12 42468 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove. 45 Comment
  UCR280657  Mirabilis laevis var. crassifolia R. G. Swinney 2014-5-21 16621 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
  CDA5056  Modiola caroliniana Phillipson 1915-5-7 Los Angeles South Monrovia. Comment
  CAS-BOT-BC219890  Monardella breweri subsp. breweri Ernest Braunton 1903-6-1 897 Los Angeles Glendale to Burbank Comment
  UCR137727  Monardella breweri subsp. lanceolata L. C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mtns., Millard Canyon. Mesa between Millard Canyon and Arroyo Seco 442 Comment
  SEINET12272526  Monardella lanceolata J. F. Bright, Wyman, C. 1931-1 5505 Los Angeles Mt. Wilson Comment
  UC54055  Monolopia lanceolata L. A. Greata Mar 1903 Los Angeles Highland Park Comment
  UCR189277  Monoptilon bellidiforme R. G. Swinney 1998-5-16 6099 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  RSA3228  Mucronea californica Carl B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando 335 Comment
  RSA65202  Mucronea californica F. W. Peirson 1951-1 1778 Los Angeles Rubio Wash, Altadena Comment
  UC1132353  Muhlenbergia asperifolia H. S. Yates 1935-8-28 6362 Los Angeles 1/2 mi nw Valyermo Ranger Station; Rock Creek Quadrangle Comment
  RSA512026  Muhlenbergia californica L. C. Wheeler 1967-7-30 s.n. Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. 732 Comment
  RSA729786  Muhlenbergia californica R. G. Swinney 1998-8-10 6729 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  CATA640  Muhlenbergia microsperma Mark L. Hoefs 1991-4-16 1107 Los Angeles Santa Catalina Island: Renton Mine Road 249 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
  SEINET2473433 Image available Muhlenbergia microsperma Richard G. Swinney 2009-1 10279 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 180 Comment
  UC407305  Muhlenbergia microsperma LeRoy Abrams 1903-3-11 3111 Los Angeles Sepulveda Canyon Santa Monica Mts. Comment
  SFV21112  Muhlenbergia rigens L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1108 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  SBBG57545  Muilla maritima R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  UC3795  Muilla maritima Harley P. Chandler 1897-5-4 Los Angeles Claremont 365 Comment
  CAS-BOT-BC515092  Muilla maritima G. B. Grant 1902-5-5 s.n. Los Angeles Pasadena Comment
  POM1688  Muilla maritima Edmund M. Pease Jr. 1902-5-6 s.n. Los Angeles Claremont. 427 Comment
  SEINET12047982  Muilla maritima D. M. Mukunya 1967-1 58 Los Angeles Wash-Pomona College, Claremont, San Gabriel Comment
  SD143827  Myoporum laetum Scott D. White 1997-3-12 4629 Los Angeles Zuma Beach Area; mouth of Zuma Creek, east end of the County Beach. 7 Comment
  RSA748900  Nama californica R. G. Swinney 2008-5-12 8835 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
  JEPS1377  Nama demissa var. demissa Frank W. Peirson 1921-5-19 2415 Los Angeles Little Rock Creek , Little Rock Creek (San Gabriel Mountains) 1036 Comment
  RSA484130  Nassella cernua Edith A. Purer 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA601832  Nassella lepida Steve Boyd, Lauren Raz 1997-5-6 9707 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA656212  Nassella lepida Joseph M. Keefe 1978-5-23 23252 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  SBBG98678  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5077 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  RSA598372  Nasturtium officinale L. C. Wheeler 1967-5-24 9752 Los Angeles Indian Canyon, near mouth 701 Comment
  RSA555451  Navarretia atractyloides R. F. Thorne 1965-6-22 34905 Los Angeles Santa Catalina Island; canyon above Avalon 183 Comment
  RSA591061  Navarretia fossalis J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10912 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. In and around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  UC1348880  Navarretia hamata subsp. leptantha Robert F. Thorne and P. Everett 1965-6-24 35025 Los Angeles Rancho Escondido Santa Catalina Island, Escondido Canyon 213 Comment
  CAS-BOT-BC109107  Nemacaulis denudata var. gracilis Geo. B. Grant 1901-1-1 827 Los Angeles From Terminal Island. Comment
  RSA75129  Nemacladus pinnatifidus F. W. Peirson 1918-6-12 219 Los Angeles In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. 548 Comment
  CAS-BOT-BC520323  Nemacladus sigmoideus R. G. Swinney 2011-6-29 15360 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 m downstream (S) from Monte Cristo Campgrund 1082 Comment
  RSA587467  Nemacladus sigmoideus Orlando Mistretta 1995-4-11 1617 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA0126419  Nemacladus sigmoideus F. W. Peirson 1927-5-7 7265 Los Angeles 4 miles east of Lancaster. Comment
  SFV2985  Nemophila menziesii P. G. Kilburn 1958-4-11 707 Los Angeles Santa Susana Mountains Oat Mountain, north slope ravine. Roadside. 945 Comment
  UC1611538  Nemophila menziesii Tim Ross and Walter Appleby 1993-4-15 6823 Los Angeles Los Pinetos Spring wester San Gabriel Mtns., San Fernando 7.5' USGS quad, Los P (at head of canyon) 893 Comment
  RSA652167  Nemophila menziesii Toppenberg s.n. Los Angeles Angeles Crest hwy, 1 miles from Ranger Station. Comment
  RSA615510  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-18 9641 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA240754  Nemophila menziesii var. menziesii Robert F. Thorne 1973-4-20 43016 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA609115  Nerium oleander L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Pacoima Canyon opposite Ant Canyon. 640 Comment
  RSA714979  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
  RSA182739  Nicolletia occidentalis J. Massey 1966-4-22 1276 Los Angeles 31 miles west of Victorville, south of Hi Vista Comment
  UC402659  Nicotiana attenuata Katharine Brandegee Los Angeles Ravena Comment
  RSA651326  Nicotiana glauca Matt Bogdanoff 1981-5-24 17 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  LA33447  Nicotiana glauca Peter H. Raven; 1959-5-3 14091 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.6 mi W of Cahuenga Pass. 304 Comment
  CLARK-A1528-3567  Notholaena californica John C. Roos 1946-11-23 3160 Los Angeles Newhall Comment
  POM19207  Oenothera californica subsp. californica P. A. Munz 1923-5-27 6900 Los Angeles Pallett Creek. 2104 Comment
  RSA653382  Oenothera elata subsp. hirsutissima LeRoy Gross 2000-8-25 259 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. 325 Comment
  RSA0004541  Oenothera guadalupensis subsp. clementina Peter H. Raven 1962-4-9 17125 Los Angeles South of Eel Point, San Clemente Island 12 Comment
  SEINET9037809 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18411 Los Angeles Pomona, 650m SSE of the summit of Elephant Hill 280 Comment
  SEINET2449582  Opuntia X occidentalis Unknown 1951-1 Los Angeles Comment
  CAS-BOT-BC59012  Opuntia littoralis L. R. Abrams; I. L. Wiggins 1931-7-6 384 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  UC1870332  Opuntia microdasys LeRoy Gross 2001-10-6 449 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Big Tujunga Wash, southern front of the San Gabriel Mountains 366 Comment
  UCR80289  Orcuttia californica M. K. Bellue, W. E. Henson 1944-1 s.n. Los Angeles Old Municipal Airport, Rosecrans Ave. [near Western Ave. in Gardena] 16 Comment
  RSA599495  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 northeast of Knapp Ranch. 1097 Comment
  RSA0076174  Orobanche bulbosa Thomas T. Craig, W. Simonds 1927-4-30 227 Los Angeles Divide between Evey and Palmer Canyons, San Gabriel Mts. Comment
  RSA646961  Orobanche californica subsp. feudgei Orlando Mistretta 1992-9-9 801 Los Angeles San Gabriel Mountains: North side of Mt. Gleason Road. Little Gleason Management Unit; Tujunga Ranger District. Comment
  UC444911  Orobanche fasciculata R. L. Pendleton 1909-7-2 1353 Los Angeles Santa Catalina Island. Road east of Avalon. Comment
  RSA0076578  Orobanche fasciculata Joseph Andorfer Ewan 1936-7-27 9844 Los Angeles Auto road on the N end of Table Mt., Swartout Valley, San Gabriel Mts. 2133 Comment
  RSA602558  Orobanche fasciculata Louis C. Wheeler 1967-8-9 10435 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1982 Comment
  SEINET11602264 Image available Osmadenia tenella L. C. Wheeler 1932-6-4 799 Los Angeles Liveoak Canyon, San Gabriel Mts. 518 Comment
  RSA549532  Osmorhiza berteroi T. S. Ross, Steve D. Boyd 1990-6-18 3451 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA651722  Osmorhiza brachypoda Paul M. Inman 1983-5-8 50883 -5 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel Mountains, about 1 mile north of Arcadia, at 2800 ft. el. and on the upper Winter [Creek] Trail leading to Hoegee's Camp. 853 Comment
  UCR97789  Osteospermum ecklonis Scott D. White 1997-3-12 4738 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA70485  Oxalis albicans subsp. californica F. W. Peirson 1920-5-6 2126 Los Angeles Fish Canyon, San Gabriel Mountains. 274 Comment
  UCR48957  Oxalis corniculata A. C. Sanders 1987-7-22 7176 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  POM353441  Oxalis corniculata Louis C. Wheeler 1931-10-17 259 Los Angeles 1.5 mi NE of La Verne. 381 Comment
  SEINET6645814  Oxalis pes-caprae N. Bacon 1967-3-29 s.n. Los Angeles Los Angeles, Glenwood Pl., south gate Comment
  RSA715261  Oxalis purpurea A. C. Sanders 1988-2-18 7690 Los Angeles El Egundo Dune, W of LA International Airport, between Pershing Dr and Vista Del Mar Blvd 5 Comment
  UC85200  Oxytheca trilobata K. Brandegee May 1889 Los Angeles South Side Comment
  SDSU627  Paeonia californica A. H. Gallup 1949-3-25 351 Los Angeles On Mills avenue northeast of Claremont 381 Comment
  UCD102587  Paeonia californica John Ingrum 1997-2-25 006 Los Angeles Santa Monica Mountains, Mulholland Hwy. and Santa Maria Rd. Comment
  CAS-BOT-BC422785  Papaver californicum Le Roy Abrams 1899-3-1 234 Los Angeles Santa Monica Mts Comment
  UC855228  Papaver californicum Ira W. Clokey, B. Templeton Apr. 1929 4464 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 350 Comment
  CATA283  Papaver heterophyllum Mark L. Hoefs 1973-5-21 297 Los Angeles Santa Catalina Island: Canyon above Renton Mine Road 304 Comment
  SEINET191361  Pappostipa speciosa A. A. Beetle 1942-4-24 3209 Los Angeles 6 mi W of Llano in Larrea Comment
  RSA248881  Parapholis incurva R. F. Thorne 1973-4-12 42927 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  UC729783  Parapholis incurva Carl B. Wolf 1932-5-12 3577 Los Angeles borders of Catalina Harbor Santa Catalina Island; , borders of Catalina Harbor 3 Comment
  UC1714586  Parietaria hespera var. hespera L. R. Abrams and I. L. Wiggins 1931-7-6 369 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  CDA35714  Parthenocissus inserta A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed; Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa . Comment
  UCR113748  Paspalum dilatatum Scott D. White 1997-5-8 5069 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
  UCR205178  Pectocarya anisocarpa R. G. Swinney 2008-4-10 8638 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UC882255  Pectocarya linearis subsp. ferocula F. R. Fosburg 1931-3-27 S 4404 Los Angeles Hamilton's Canyon Santa Catalina Island, Hamilton's Canyon 150 Comment
  RSA599800  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-25 9292 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  POM193478  Pedicularis densiflora J. B. Feudge 1928-3-12 1960 Los Angeles Devore near San Bernardino. 579 Comment
  RSA0048357  Pedicularis densiflora Elwood Fordham 1951-3-18 s.n. Los Angeles Topanga Canyon - Robinson Road. 335 Comment
  RSA588084  Pedicularis semibarbata Orlando Mistretta 1994-5-31 1287 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  CATA2238  Pelargonium X hortorum Sara L. Crockett 1997-3-7 84 Los Angeles Santa Catalina Island: 323 Clemente Street 24 Comment
  UC399514  Pellaea andromedifolia C. F. Millspaugh 1920-1-9 4559 Los Angeles Avalon Canyon; Santa Catalina Isl Comment
  RSA618681  Pellaea andromedifolia var. andromedifolia L. C. Wheeler 1967-5-18 9625 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA651846  Pellaea andromedifolia var. andromedifolia Marion P. Harthill 1971-5-11 192 Los Angeles San Antonio Canyon. Comment
  RSA611644  Pellaea mucronata var. mucronata Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10124 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1121 Comment
  CAS-BOT-BC258784  Pennisetum clandestinum Peter H. Raven 1957-9-21 11343 Los Angeles West Channel Road, Santa Monica Comment
  RSA145414  Penstemon caesius Gale Sphon 1959-6-27 382 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  NY583787  Penstemon centranthifolius A. D. E. Elmer 06 1902 3606 Los Angeles Acton Comment
  SEINET2056591 Image available Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-5-21 4051 Los Angeles Western Mojave Desert: Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1098 Comment
  UCR124689  Penstemon centranthifolius B. C. Templeton 1933-5-15 5129 Los Angeles San Gabriel Mtns., Jackson Lake, Angeles National Forest 1930 Comment
  RSA649973  Penstemon centranthifolius A. Major, N. Daly 1973-5-5 s.n. Los Angeles Malibu Cyn. Comment
  SEINET10314209  Penstemon eatonii David Keil, V. L. Holland, Michael Stiles & Francis Villablanca 1987-5-1 20064 Los Angeles San Gabriel Mountains, along Big Pine Hwy W of Jackson Lake. Comment
  CDA41871  Penstemon grinnellii subsp. grinnellii G. D. Barbe, T. C. Fuller 1973-5-21 1402 Los Angeles 4 miles (6.4 km) east of Highway138 on Highway 18; 0.5 mile (0.8 km) west of San Bernardino County line. 0 Comment
  UCR272939  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-29 15580 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  LA51901  Penstemon heterophyllus var. australis A. M. Johnson; 1934-5-4 4451 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC1211027  Penstemon spectabilis Huron H. Smith 1912-5-1 4893 Los Angeles Eagle Rock Valley 152 Comment
  RSA135176  Penstemon spectabilis subsp. subviscosus Peter H. Raven 1960-5-15 15373 Los Angeles Piuma Road 5.1 miles north-west of Rambla Pacifica [Rd]. Santa Monica Mountains. 213 Comment
  LA94212  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-9 1822 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 1.5 mi above Sunset Blvd. 228 Comment
  RSA687367  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest. Comment
  UCSB62230  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-16 Los Angeles Santa monica Mtns., Calabasas Rd., ca. 1 1/2 mi. w. of Calabasas, ravine so. of the road 304 Comment
  UCSB43768  Pentagramma triangularis subsp. viscosa Nakashima, L. 1982-4-18 Los Angeles 1.7 miles south of Catalina airfield in Cottonwood Canyon of Santa Catalina Island 411 Comment
  SBBG11590  Perityle emoryi P. H. Raven 1962-5-9 17658 Los Angeles cyn just N of Guds 249 Comment
  UCR19499  Perityle emoryi John C. Roos 1948-8-26 s.n. Los Angeles South Coast, Malibu 6 Comment
  CAS-BOT-BC419012  Persicaria lapathifolia I. Johnston 1917-6-14 1343 Los Angeles West of Pomona Comment
  UC57023  Phacelia brachyloba H. M. Hall 1902-5-2 3092 Los Angeles San Francisquito Pass 457 Comment
  CSUSB127  Phacelia campanularia Lloyd Clark 1965-4-17 Los Angeles Gravelly west slope of Whitewater Canyon, about 4 miles north of Highway 60. 609 Comment
Read comments
Jan 4 2016
  RSA650548  Phacelia cicutaria var. hispida A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
  RSA700296  Phacelia cicutaria var. hispida J. Bogdanoff-Lord 1989-5-5 5 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UCR192949  Phacelia cicutaria var. hispida Dan S. Cooper 2008-5-9 s.n. Los Angeles Los Angeles Basin, just east of Illinois Dr, southwestern South Pasadena 233 Comment
  UCR272839  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14937 B 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
  UCR280771  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-19 16586 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
  RSA0011519  Phacelia cicutaria var. hispida Orlando Mistretta, Christine Mistretta 2011-6-23 5739 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  UCR52404  Phacelia ciliata David Charlton 1988-4-3 1717 Los Angeles Western Mojave Desert, W of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley 1070 Comment
  UCR272363  Phacelia curvipes R. G. Swinney 2011-6-20 15222 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA152526  Phacelia davidsonii R. C. Bacigalupi, G. Thomas Robbins, L. R. Heckard 1953-6-14 4182 Los Angeles Jct of road to Horse Flat Public Camp and main (paved) road from upper Chilao Recreation area,, Angeles National Forest, San Gabriel Mtns. 1829 Comment
  SEINET3237842 Image available Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns.; Prairie Fork, near Cabin Flats Campground. 1591 Comment
  JEPS2367  Phacelia distans I. W. Clokey, C. B. Clokey, and B. Templeton 1930-5-13 4760 Los Angeles Bouquet Canyon 750 Comment
  SEINET13383118 Image available Phacelia distans R. G. Swinney 2010-1 12106 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR259060  Phacelia distans R. G. Swinney 2010-5-12 12764 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
  UCR271578  Phacelia distans R. G. Swinney 2011-6-23 15291 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  POM4490  Phacelia distans L. R. Abrams, E. A. McGregor 1908-6-20 363 Los Angeles Liebre Mts. 1220 Comment
  UC1047049  Phacelia egena L. R. Heckard 1953-6-14 500 Los Angeles 2 mi above Sycamore Camp Ground (about 15 miles south of Little Rock) (near South Fork of Little Rock Creek); San Gabriel Mountains, Angeles National Forest 1341 Comment
  RSA650144  Phacelia fremontii Charles D. Dunn 1972-4-3 s.n. Los Angeles Palmdale. Comment
  UCSC001519  Phacelia hallii Peter Kamb 1948-5-6 951 Los Angeles sandy valleys San Gabriael Mts., Little Rock (desert foothills of the San Gabriael Mts. above Little Rock, Lower Sonoran Zone) 975 Comment
  NY57341  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  UC1046922  Phacelia imbricata L. R. Heckard 1953-6-15 510 Los Angeles about 5 mi s Acton; Northern foothills of San Gabriel Mountains, Arrastre Canyon 914 Comment
  UC1228375  Phacelia imbricata subsp. imbricata L. R. Heckard 1956-6-30 776 Los Angeles near Padua Hills (ne of Claremont); foothills of San Gabriel Mountains Comment
  UC1348980  Phacelia imbricata subsp. imbricata Robert F. Thorne, M. Z. Thorne 1967-7-19 37171 Los Angeles above Crystal Lake Recreation Area; San Gabriel Mts., Angeles National Forest, Big Cienega Sprin 1981 Comment
  CATA1543  Phacelia lyonii Mark L. Hoefs, Steven A. Junak 1997-6-4 2771 Los Angeles Santa Catalina Island: End of road, past Empire Landing quarry 30 Comment
  RSA150838  Phacelia lyonii Peter H. Raven 1962-5-9 9 Los Angeles Floor of canyon just north of Gray, San Clemente Island. 305 Comment
  RSA187957  Phacelia lyonii Robert F. Thorne 1966-4-30 36340 b Los Angeles Santa Catalina Island; mouth of Gallagher s Canyon. 8 Comment
  RSA602234  Phacelia minor R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UC306149  Phacelia minor Ernest Braunton 1902-4-13 210 Los Angeles Griffith Park Comment
  UCR223209  Phacelia mohavensis R. G. Swinney 2009-5-27 10895 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  SBBG125836  Phacelia parryi A. Parikh, N. Gale 2010-5-25 3221 Los Angeles Sierra Pelona, 5.2 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1115 Comment
  UCSB42016  Phacelia parryi Purviance, Susan 1979-3-19 Los Angeles 1/4 mi. east of Pacific Coast Highway on Encinal Canyon Road Comment
  UCR271324  Phacelia ramosissima R. G. Swinney 2011-5-12 14681 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCSB5426  Phacelia ramosissima Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  POM156351  Phacelia ramosissima var. austrolitoralis L. R. Abrams 1902-6-9 2497 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC159101  Phacelia ramosissima var. latifolia Carl B. Wolf 1936-5-27 s.n. Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  HSC12498  Phacelia ramosissima var. latifolia Wendell Wood 1970-6-22 31 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  RSA428278A  Phacelia ramosissima var. latifolia G. R. Johnstone 1930-6-22 s.n. Los Angeles Ravenna. Comment
  PASA1329  Phacelia tanacetifolia Annetta Carter 1929-3-31 Los Angeles Near Clayton Comment
  RSA428238  Phacelia viscida var. albiflora Anstruther Davidson 1890-3-14 s.n. Los Angeles Los Angeles. Comment
  UC196660  Phalaris minor A. Davidson, M. D. July 1916 3157 Los Angeles Boca Ranch Comment
  RSA0110801  Phoenix canariensis Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14353 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  RSA746966  Pholistoma auritum R. G. Swinney 2008-4-9 8624 Los Angeles Glendora, Wildwood Canyon. 329 Comment
  UCR185398  Pholistoma auritum A. C. Sanders, T. B. Salvato 2007-4-25 33549 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  UC1228870  Pholistoma auritum Peter H. Raven 1962-4-10 17249 Los Angeles ca. 1.5 mi. n. Thirst (gully w. side of isl.); San Clemente Isl. 457 Comment
  POM3744  Pholistoma auritum var. auritum I. M. Johnston 1917-3-29 1249 Los Angeles Above Claremont. Comment
  CAS-BOT-BC222551  Pholistoma auritum var. auritum Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Los Angeles Comment
  RSA339702  Pholistoma membranaceum Robert F. Thorne 1982-4-20 54999 Los Angeles San Gabriel Mts: Grassy slopes above Little Rock Creek below dams. 976 Comment
  SFV12409  Pholistoma membranaceum D. L. Koutnik, V. Dawes 1978-4-6 289 Los Angeles Mojave Desert CA Highway 18, just east of Valyermo turnoff. 945 Comment
  RSA0087088  Phoradendron bolleanum R. G. Swinney 2010-6-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SEINET4560564  Phoradendron bolleanum R. G. Swinney 2009-1 11614 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 920 Comment
  RSA606025  Phoradendron densum Louis C. Wheeler 1967-11-18 s.n. Los Angeles Liebre Mountain: Barrel Springs. 899 Comment
  CAS-BOT-BC141297  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8130 Los Angeles Liebre Mountain: vicinity of West Summit (construed knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  UC1194600  Phoradendron villosum Del Wiens 1960-6-10 2716 Los Angeles n. Claremont (Cobal Canyon); Cobal Canyon 396 Comment
  UCR179613  Phoradendron villosum R. G. Swinney 1990-10-10 s.n. Los Angeles San Gabriel Mtns., Glendora, South Hills, c. 700 yds. north of the end of Bonnie Cove Ave. on South Hills Motorway 305 Comment
  RSA577892  Phyllospadix torreyi Carl Epling 1933-07 s.n. Los Angeles Palos Verdes Comment
  POM292908  Physalis philadelphica Lyman D. Benson 1945-10-22 11905 Los Angeles Claremont; Drainage area: Pacific Slope. 335 Comment
  SEINET4044599 Image available Picris echioides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 1910 meters from coast. 22 slope, aspect 220. 198 Comment
  RSA472038  Picris echioides Robert Gustafson 1980-7-9 1834 Los Angeles Ballona Wetlands, Area 3. Comment
  CAS-BOT-BC78600  Pinus flexilis Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10068 Los Angeles on Mt. Hawkins Crest, San Gabriel Mts. 2499 Comment
  RSA772275  Pinus monophylla R. G. Swinney 2009-5-6 10690 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA169008  Pinus ponderosa Mark Parratt 1964-4-8 624 Los Angeles Charlton Flats Recreation Area, Angeles Crest Highway 1646 Comment
  CDA2308  Piptatherum miliaceum L. C. Wheeler 1969-12-6 s.n. Los Angeles Edge of San Gabriel Mountains, Sierra Madre. Near foot of Mount Wilson Trail. Comment
  RSA0025423  Piptatherum miliaceum Duncan S. Bell, Caitlin Elam 2013-6-24 5245 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  CATA2200  Pittosporum tobira Sara L. Crockett 1997-3-7 80 Los Angeles Santa Catalina Island: House on SE corner of Beacon and Clemente Streets 21 Comment
  CSUSB2113  Pityrogramma triangularis Keith Thompson 1969-12-13 s.n. Los Angeles Evey Canyon 731 Comment
  CHSC5083  Plagiobothrys Mary MacArthur 1967-6-24 68 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National Forest. 1584 Comment
  RSA599776  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-25 9270 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
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Dec 20 2007
  POM8685  Plagiobothrys canescens P. A. Munz 1920-3-2 3267 Los Angeles Hills S of Pomona 305 Comment
  POM11629  Plagiobothrys canescens var. catalinensis George B. Grant 1901-4-9 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  POM3828  Plagiobothrys nothofulvus Anonymous 1891-3-29 s.n. Los Angeles Alhambra. Comment
  RSA177842  Plantago coronopus Robert F. Thorne, Percy C. Everett 1965-5-11 34662 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  SBBG32140  Plantago coronopus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -234 Los Angeles Indian Head Pt Comment
  CATA1605  Plantago erecta Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2874 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  CDA1003  Plantago erecta D. G. Kelch 1991-3-17 1305 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  RSA401980B  Plantago erecta Louis C. Wheeler 1934-3-24 2478 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  UC888391  Plantago erecta F. R. Fosberg 1931-3-26 S 4548 Los Angeles Avalon Cnayon Santa Catalina Island 120 Comment
  LA82076  Plantago erecta Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA187857  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  SBBG31209  Plantago major R. F. Thorne 1966-6-1 36485 Los Angeles of razed St. Catherine's Hotel, N of Avalon 4 Comment
  SD251773  Plantago ovata M. B. Dunkle 1939-4-5 7269 Los Angeles San Clemente Island: China Point. Comment
  RSA729230  Platanthera sparsiflora Richard G. Swinney 1998-7-14 6415 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  JEPS40303  Platanus racemosa Frank W. Peirson 1919-3-27 341 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  UCR108661  Platanus racemosa L. C. Wheeler 1961-6-13 7881 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA747447  Platystemon californicus R. G. Swinney 2005-5-14 8237 Los Angeles NE of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  POM8023  Platystemon californicus F. L. Robinson 1920-1 s.n. Los Angeles Claremont. Comment
  UCR252754  Pluchea odorata R. G. Swinney 2010-9-1 13654 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA733573  Poa annua R. G. Swinney 1998-7-30 6578 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  RSA150862  Poa secunda P. H. Raven 1962-4-12 17332 Los Angeles San Clemente Island: canyon south of canyon below the Tomb, west side of Island 229 Comment
  RSA589273  Poa secunda Timothy S. Ross 1991-4-28 4764 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCR223470  Poa secunda R. G. Swinney 2009-5-28 10928 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR25115  Poa secunda John C. Roos, L. Roos 1951-5-27 5055 Los Angeles Mojave Desert, flats between Lancaster and Rosamond 701 Comment
  CATA191  Poa secunda subsp. secunda Mark L. Hoefs, A. Douglas Propst 1973-4-6 161 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  RSA763751  Poa secunda subsp. secunda Orlando Mistretta, Christine Mistretta 2008-5-20 3143 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  RSA0092240  Polygonum aviculare R. G. Swinney 2010-9-7 13710 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  SFV22117  Polygonum aviculare J. M. Keefe 2001-1-19 30899 Los Angeles Los Angeles Basin Los Angeles, Highland Park. Across street from 1871 Upperton Avenue, at intersection with Upperton Place. South-facing slope on north side of street in pass in ridge between Eagle Rock Valley and York Valley. 262 Comment
  RSA650874  Polygonum aviculare subsp. aviculare A. E. Hersh 1950-6-30 s.n. Los Angeles Locality - garden 411 Wade St., Venice. 30 Comment
  RSA579561B  Polygonum aviculare subsp. depressum Tim S. Ross, S. D. Boyd 1994-9-20 8255 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  RSA802442  Polygonum aviculare subsp. depressum Orlando Mistretta, Youssef Atallah 2011-8-16 6038 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  UCR210493  Polygonum hydropiperoides R. G. Swinney 2008-11-30 9862 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  POM120122  Polypodium californicum Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UC1971486  Polypodium californicum Louis C. Wheeler 1967-5-15 9581 Los Angeles SAN GABRIEL MOUNTAINS: South side Elsmere Canyon near the mouth. Comment
  UC62429  Polypodium californicum Ernest Braunton Jan. 1903 808 Los Angeles Arroyo Seco Comment
  UCSB10639  Polypodium californicum Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Dalton Canyon from Glendora Mtn. Road; San Gabriel Mtn range Comment
  RSA151247  Polypodium californicum P. H. Raven 1962-4-12 17341 Los Angeles San Clemente Island: Wilson Cove 76 Comment
  UCSB62382  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62428  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  CAS-BOT-BC232418  Polypogon monspeliensis Ira L. Wiggins 1925-6-1 1765 Los Angeles Below Swain's Canyon, White's Landing, Santa Catalina Island Comment
  RSA651596  Polypogon monspeliensis Bob Edwards 1948-5-12 s.n. Los Angeles Found 4 1/2 mi. south of Puente. On La Hacienda Ave. 167 Comment
  UC39755  Polypogon monspeliensis Joseph Burtt Davy 1896-5-19 2568 Los Angeles Lansing's near West Palmdale Comment
  RSA0081775  Polystichum imbricans R. G. Swinney 2010-8-9 13480 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  UCR258523  Polystichum imbricans R. G. Swinney 2010-8-9 13480 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UC380924  Polystichum imbricans subsp. curtum Marcus E. Jones 1882-2-27 3032 Los Angeles Pasdena Comment
  RSA702440  Polystichum imbricans subsp. imbricans Scott D. White 2004-7-28 10655 Los Angeles Clear Creek area. In and around eThe Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  POM244918  Populus balsamifera subsp. trichocarpa F. R. Fosberg 1931-4-28 S- 4704 Los Angeles Eagles Nest Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  UCR206482  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato 2009-5-20 36862 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  CAS-BOT-BC102554  Populus fremontii Le Roy Abrams; E. A. McGregor 1908-6-20 412 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  UCR125155  Populus fremontii A. C. Sanders, Mark Elvin 2002-6-18 25108 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR220285  Populus fremontii R. G. Swinney 2009-4-24 10481 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  SEINET10539395  Populus fremontii Walter H. Lewis Lewis 15651 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  RSA590939  Populus fremontii subsp. fremontii Orlando Mistretta 1994-4-12 1030 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  CLARK-A1528-5160  Potamogeton crispus John C. Roos 1950-7-15 4852 Los Angeles San Gabriel River 60 Comment
  SEINET3892554  Potamogeton foliosus Louis C. Wheeler 1946-10-26 6388 Los Angeles San Gabriel Mountains: San Gabriel Canyon; 0.8 miles upstream from mouth at first bridge, north side.; 0 259 Comment
  CAS-BOT-BC141843  Potentilla anserina LeRoy Abrams 1899-3-1 255 Los Angeles Mesmer Comment
  OBI2661  Prunus ilicifolia W. Holbrook 1967-4-23 2 Los Angeles 400 yds W of Rose Bowl, Pasadena 259 Comment
  CAS-BOT-BC356569  Pseudognaphalium biolettii Alice Eastwood 1917-7-20 6470 Los Angeles Santa Catalina Island Comment
  LA200197  Pseudognaphalium biolettii James Lauter; 1953-3-21 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  POM358739  Pseudognaphalium biolettii M. B. Dunkle 1939-11-24 s.n. Los Angeles San Clemente Island: southeast rim above Mosquito Harbor Comment
  UCR261321  Pseudognaphalium californicum R. G. Swinney 2010-3-13 11883 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  CATA1218  Pseudognaphalium luteoalbum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2277 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  SBBG131602  Pseudognaphalium luteoalbum S. A. Junak 1999-7-15 SCa 1028 Los Angeles Bulrush Cyn 237 Comment
  CATA3136  Pseudognaphalium microcephalum Sarah Ratay 2010-7-26 128 Los Angeles Santa Catalina Island: Black Jack Road, 80 meters west of Black Jack Tower Road 501 Comment
  CAS-BOT-BC357454  Pseudognaphalium ramosissimum Peter H. Raven; Henry J. Thompson 1958-9-19 13722 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Along United States Highway 101, 0.2 miles east of turn to Zuma Beach 45 Comment
  CAS-BOT-BC357624  Pseudognaphalium stramineum Geo. B. Grant 1901-4-9 s.n. Los Angeles Avalon Comment
  CAS-BOT-BC357640  Pseudognaphalium stramineum John Thomas Howell 1927-10-29 3183 Los Angeles Near Alamitos Bay 15 Comment
  UC55060  Pseudognaphalium stramineum Ernest Braunton 1902-8-1 628 Los Angeles Cienega Comment
  RSA626237  Pseudotsuga macrocarpa L. C. Wheeler 1967-5-15 9578 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  RSA0035029  Pseudotsuga macrocarpa Jack Pepper 1950-11-4 s.n. Los Angeles Charleton Flats. 1524 Comment
  SEINET6744578 Image available Psoralea physodes Marcus E. Jones 1882-1 2691 Los Angeles Pasadena Comment
  RSA607619  Pteridium aquilinum var. pubescens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  CAS-BOT-BC421207  Pterostegia drymarioides Tim Ross; Steve Boyd 1991-4-25 4570 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated betwen Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 865 Comment
  CAS-BOT-BC421211  Pterostegia drymarioides C. F. Baker 1904-4-22 4169 Los Angeles Monrovia Comment
  RSA0062846  Pterostegia drymarioides LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6769 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA702696  Pterostegia drymarioides Scott D. White, Pam De Vries 2004-5-18 10405 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
  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
  UCR162508  Pulicaria paludosa Anuja Parikh, Nathan Gale 2004-9-9 2094 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UC1128507  Purshia tridentata var. glandulosa H. A. Jensen 1933-6-1 316 Los Angeles Mouth of Pallett Creek; Rock Creek Quad. 1097 Comment
  UCD166194  Purshia tridentata var. glandulosa Jack Major 1962-4-15 759 Los Angeles On road to Big Pines above Valyermo, north side of San Antonio Peak. (Exact location unknown. Coordinates estimated by label maker.) 1390 Comment
  UC486360  Pycnanthemum californicum Ruth B. Randell Jul 1931 42 Los Angeles Big Rock Creek Comment
  UCR101287  Pycnanthemum californicum L. C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mtns, South Fork of Alder Gulch 1677 Comment
  SEINET13947143 Image available Pycnanthemum californicum C. F. B. 1903-1 3449 Los Angeles San Antonio Canon near Claremong, Los Angeles county, Ca. Comment
  RSA591967  Quercus Mark Hoefs 1974-10-3 584 Los Angeles Santa Catalina Island: head of Cape Canyon, just below dam. 427 Comment
  RSA717700  Quercus Gary D. Wallace 1987-5-5 2647 Los Angeles Monrovia. Gold Hill. Comment
  UCSB55325  Quercus X grandidentata Thorne, Robert; Thorne, M. 1980-3-23 Los Angeles Foothills of San Gabriel Mts.; Johnson's Pasture, above Claremont 609 Comment
  HSC8090  Quercus agrifolia C. E. Fellows 1965-8-22 118 Los Angeles Big Tujunga Canyon, Stonyvale Rd. across from La Paloma bridge 762 Comment
  UCD170505  Quercus agrifolia var. agrifolia D. O. Burge 2017-4-3 2239 Los Angeles Santa Monica Mountains, Rocky Oaks Dam. 530 Comment
  UCR271072  Quercus agrifolia var. agrifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14355 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  RSA476594  Quercus berberidifolia Bonnie C. Templeton 1931-4-29 s.n. Los Angeles Mulholland Drive Comment
  UC1870280  Quercus berberidifolia LeRoy Gross 2000-11-12 330 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. Near road, area cleared for fire safety 411 Comment
  UCSB58660  Quercus berberidifolia Muller, Cornelius 1945-3-20 Los Angeles 10 mi. S. of Caswell, 12 mi N. of Castaic Comment
  CAS-BOT-BC62367  Quercus chrysolepis Geo. B. Grant 1904-6-14 s.n. Los Angeles Mt. Wilson 1524 Comment
  POM180345  Quercus chrysolepis Edwin B. Bartram 1920-6-30 528 Los Angeles Mt. Lowe 1433 Comment
  SEINET3127565  Quercus chrysolepis G. B. Grant 1904-6-14 1085 Los Angeles Mt. Wilson 1524 Comment
  CAS-BOT-BC86899  Quercus douglasii E. R. Blakley 1962-10-5 5464 Los Angeles Santa Catalina Island. Middle Ranch Corral in Middle Ranch Canyon 198 Comment
  RSA605182  Quercus douglasii Louis C. Wheeler 1962-5-19 8050 Los Angeles Catalina Island, Valley of Ollas. Comment
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Sep 6 2014
  CAS-BOT-BC86372  Quercus dumosa Fordyce Grinnell 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC86380  Quercus dumosa D. E. Breedlove 1961-9-23 1270 Los Angeles S side of Cherry Canyon; 1 mi inland; Santa Catalina Island 243 Comment
  UC520299  Quercus durata Joseph Andorfer Ewan 1933-7-4 7852 Los Angeles Sturdevant Trail San Gabriel Mountains, Santa Anita Canyon 1066 Comment
  UCSB28146  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  CAS-BOT-BC518731  Quercus durata var. gabrielensis Mitch Provance 2016-3-1 316 -23 Los Angeles San Gabriel Mountains: Altadena, lower slopes just NE of Canon Blvd. and Dev\onwood Rd. 570 Comment
  POM121997  Quercus durata var. gabrielensis Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC94160  Quercus engelmannii Alice Eastwood 1915-8-25 4913 Los Angeles Duarte Comment
  SBBG58947  Quercus engelmannii unknown 1928-8-26 Los Angeles Pasadena Comment
  UCR84566  Quercus garryana var. breweri T. S. Ross, Steve Boyd 1994-9-21 8307 Los Angeles Liebre Mtns., upper west end of Liebre Mountain, along Forest Service Road 7N23, c. 200-370 m SW of Sandberg Triangulation Point (5345 ft.). 1582 Comment
  RSA792775  Quercus ilex Justin M. Wood 2009-3-24 391 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. Old restoration site, east of old infirmary. 405 Comment
  UCR223621  Quercus ilex R. G. Swinney 2009-6-27 11287 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  UC1871276  Quercus john-tuckeri T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-28 4000 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon; T8N R17W ctr sect 33; elevation 4600-5040 feet. Comment
  UCD46601  Quercus john-tuckeri Robert F. Thorne; R. Carolin and C. Davidson 1967-3-23 41580 Los Angeles San Gabriel MTS., Angeles National Forest: Grandview Canyon, Mohave Desert slope N of Mile High Ranch in desert chaparral; 1371 Comment
  RSA0034841  Quercus john-tuckeri Louis E. Hoffman 1933-2-25 s.n. Los Angeles Minr[Mint?] Canyon. Comment
  SEINET8987488  Quercus john-tuckeri Unknown 2013-1 236 Los Angeles Rancho Santa Ana Botanic Garden Comment
  CAS-BOT-BC61544  Quercus lobata George Loucks Moxley; Grinnell Jr. 1916-6-16 501 Los Angeles Summit of Santa Susana ridge Comment
  SBBG21458  Quercus pacifica D. E. Breedlove 1961-9-23 1270 Los Angeles S side of Cherry Cyn, 1 mi inland 243 Comment
  UC173999  Quercus pacifica G. B. Grant Apr 1904 6137 Los Angeles Santa Catalina Island Comment
  SBBG43931  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  OBI14207  Quercus wislizeni var. frutescens Louis C. Wheeler 1932-4-16 628 Los Angeles W side Santa Anita Canyon, San Gabriel Mts 762 Comment
  RSA590480  Rafinesquia californica Timothy S. Ross, Walter Appleby 1993-5-20 7201 Los Angeles Western San Gabriel Mountains, head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  SDSU10105  Ranunculus californicus J. Godsil 1953-3-15 585 Los Angeles Brea west of Pomona, 3 miles Hwy 60. 244 Comment
  RSA400237  Ranunculus cymbalaria var. saximontanus Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  SFV21137  Raphanus sativus J. M. Keefe 2001-1-24 31031 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  UCR186697  Raphanus sativus T. B. Salvato, Sandra Murcia 2007-3-28 2002 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  RSA660838  Raphanus sativus Ann Williams 1992-5-14 14 -92 Los Angeles End of Canyon Dr., 0.2 mi. off Penn St. and 100 yds E of Whittier College track. 152 Comment
  RSA0021485  Rhamnus californica Duncan S. Bell, Caitlin Elam 2013-7-11 5357 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  CAS-BOT-BC59929  Rhamnus crocea Alice Cooper 1908-7-21 s.n. Los Angeles Sawpit Canyon. San Gabriel Mts. Comment
  IRVC27802  Rhamnus crocea A. C. Sanders, T. B. Salvato 2005-4-26 29745 Los Angeles Santa Clarita area; S of Plum Cyn at end of Canyon Crest Dr, NW of mouth of Mint Cyn. Western San Gabriel/Liebre Mtns Region 488 Comment
  POM2828  Rhamnus crocea P. A. Munz 1918-5-16 2246 Los Angeles Claremont. Comment
  CAS-BOT-BC55980  Rhamnus ilicifolia Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles near Monrovia Comment
  POM2814  Rhamnus ilicifolia C. F. Baker 1903-8-2 3653 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA226222  Rhamnus ilicifolia Gary D. Cromwell, David W. Wheat 1971-4-16 505 Los Angeles Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora at upper canyon fork 427 Comment
  RSA7839  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2179 Los Angeles On the Newhall Grade, just north of point where the Los Angeles Aqueduct crosses the highway. Comment
  UC303608  Rhamnus ilicifolia I. Johnston 1917-2-10 62 Los Angeles hills s of Pomona 365 Comment
  UC870817  Rhamnus ilicifolia Ira W. Clokey, B. Templeton Mar 1929 4511 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  CATA1692  Rhamnus pirifolia Mark L. Hoefs, Robert F. Thorne 1998-10-9 2989 Los Angeles Santa Catalina Island: Upper end of Renton Mine Road 231 Comment
  POM2829  Rhamnus pirifolia S. B. Parish s.n. Los Angeles Santa Catalina Island Comment
  SBBG41344  Rhamnus pirifolia M. R. Benedict 1970-6-29 Los Angeles coast rd W of Parson Landing Comment
  UC33637  Rhamnus tomentella subsp. cuspidata J. Burtt Davy May 9 1896-May 24 1896 2536 Los Angeles Manzana Antelope Valley Comment
  CAS-BOT-BC170451  Rhus integrifolia John H. Thomas 1957-4-27 6669 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  POM293306  Rhus integrifolia Lyman Benson 1945-2-13 11600 Los Angeles Claremont. 335 Comment
  RSA598954  Rhus integrifolia R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. ''Owl Flats,'' 1.5 mi. E of Glendora Mtn. Road, near Big Dalton Canyon Rd. 472 Comment
  SBBG101185  Rhus integrifolia T. Ross, A. Ross 1991-9-7 5959 Los Angeles below hairpin turn, Mulholland Hwy and Yerba Buena Rd; Santa Monica Mtns; T1S R19W, E/4 SW/4 NE/4 SE/4 S8 [putative hybrid w/ R. ovata] 359 Comment
  SBBG31255  Rhus integrifolia R. F. Thorne with P. C. Everett 1965-6-22 34917 Los Angeles S of Avalon Golf Course 91 Comment
  SD48943  Rhus integrifolia Reid Moran 1958-9-15 6821 Los Angeles Canyon 1.8 miles southeast of Eel Point, San Clemente Island 99 Comment
  UC450916  Rhus integrifolia Fay A. MacFadden 1931-3-20 10 E Los Angeles Tuna Canyon; Verduga Hills 335 Comment
  CAS-BOT-BC175222  Rhus lancea A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irinwdale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA306191  Rhus ovata Fay A. MacFadden 1933-3-16 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  RSA738073  Rhus ovata Carol Frazier 1966-5-20 s.n. Los Angeles San Rafel Hills 244 Comment
  SFV16170  Rhus ovata P. A. Krueger 1994-5-14 22 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  UC1234787  Rhus ovata Peter H. Raven 1962-5-2 17803 Los Angeles upper Bullrush Canyon (ridge on w side); Santa Catalina Island 289 Comment
  UC1584107  Rhus trilobata Tim Ross 1991-2-23 4112 Los Angeles Upper Turnbull Canyon 1/4 airmile w of Turnbull Canyon Rd x Sykyline Dr; Whittier Hills, Puente Hills 249 Comment
  RSA476417  Ribes amarum L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  SEINET4560264  Ribes amarum Louis C. Wheeler 1936-1 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  UC79700  Ribes aureum C. F. Baker 1903-3-15 4154 Los Angeles Glendora Comment
  SFV1607  Ribes aureum var. gracillimum K. A. Wilson 1961-3-11 978 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  UCD102112  Ribes aureum var. gracillimum Geoffrey Levin 1974-3-29 4 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River, Pacific Slope drainage area. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) Comment
  CLARK-A1528-4120  Ribes californicum var. hesperium John C. Roos 1966-2-4 Los Angeles Claremont Comment
  POM271867  Ribes californicum var. hesperium Lyman Benson 1947-1-13 12274 Los Angeles Little Dalton Canyon, Glendora 427 Comment
  POM371867  Ribes californicum var. hesperium Lyman Benson 1947-1-13 12274 Los Angeles Little Dalton Canyon, Glendora 396 Comment
  RSA703156  Ribes cereum var. cereum Scott D. White 2004-8-11 10710 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  CAS-BOT-BC108875  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash. 91 Comment
  SEINET3445856  Ribes divaricatum var. parishii Unknown 1963-3-9 Los Angeles Whittier Narrows, Whittier Narrows, Rico Rivera, San Gabriel River 120 Comment
  UC212382  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte San Gabriel River 91 Comment
  CAS-BOT-BC173103  Ribes indecorum Louis C. Wheeler 1933-6-19 1869 Los Angeles Claremont 381 Comment
  UCSB24066  Ribes indecorum Wheeler, Louis 1932-2-28 Los Angeles Thompson Creek Dam; near Claremont 502 Comment
  UCSB41828  Ribes indecorum Hanes, Ted 1967-1-27 Los Angeles Lone Pine Canyon; San Gabriel Mtns 1219 Comment
  JEPS43500  Ribes lasianthum Charles J. Lovell 1941-5-1 Los Angeles Shoemaker Creek San Gabriel Mountains 2011 Comment
  JEPS26547  Ribes malvaceum Peter Kamb 1948-2-29 787 Los Angeles ridge w Sheep Corral Canyon (n slope of the Verdugo Range); Verdugo Range 792 Comment
  LA205480  Ribes malvaceum O. A. Plunkett; 1926-3-6 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  RSA180085  Ribes malvaceum var. viridifolium Peter H. Raven 1962-5-10 17711 a Los Angeles North of Thirst, San Clemente Island. 305 Comment
  RSA293826  Ribes malvaceum var. viridifolium Lyman Benson 1945-12-10 11976 Los Angeles Divide between Little Dalton canyon and San Gabriel River 671 Comment
  UCR204412  Ribes nevadense R. G. Swinney 2001-9-15 8172 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  POM175369  Ribes roezlii Helen E. Sweet 1930-7-12 s.n. Los Angeles Exposed ridge near north Baldy Peak, San Gabriel Mts. 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
  RSA1180  Ribes roezlii B. D. Stark 1930-6-28 865 Los Angeles Pine Canyon Comment
  POM156177  Ribes speciosum L. R. Abrams 1902-3-11 3118 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA476288  Ribes speciosum Gale Sphon 1955-3-21 s.n. Los Angeles Mulholland Dr. opposite the Sepulvada fire road on other fire road. Comment
  UCD102513  Ribes speciosum Gordon J. Pilone 1963-4-15 264 Los Angeles Dimond Bar Ranch, Brea Canyon. Santa Ana Mt. Range. 609 Comment
  CATA27  Ribes viburnifolium Mark L. Hoefs, A. Douglas Propst 1973-3-3 11 Los Angeles Santa Catalina Island: East side of Mt. Black Jack 304 Comment
  CHSC53241  Ricinus communis L. P. Janeway 1988-12-24 3160 Los Angeles Puente Hills, between Whittier and La Puente. In Arroyo San Miguel. Oil company land. 175 Comment
  RSA577358  Ricinus communis L. C. Wheeler 1936-6-6 4114 Los Angeles San Dimas Canyon, 1/4 mi. below west fork. 426 Comment
  RSA594294  Ricinus communis L. C. Wheeler 1967-7-30 10245 Los Angeles San Gabriel MountaiSan Gabriel Mountains. 1.6 mi. N of junction of 3N33 and 3N06 about 350-450 tds. due west of Shade Campground at base of east-facing slope. N fork Lytle Creek, on 3N33.ns. Big Tujunga Canyon at Trail Canyon. 518 Comment
  SD90297  Ricinus communis Robert F. Thorne 1970-3-5 39353 Los Angeles Santa Catalina Island, NE slope of Blackjack Mountain at upper end of Swain's Canyon 399 Comment
  UCR210459  Ricinus communis R. G. Swinney 2008-11-29 9854 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
  RSA0092239  Rorippa curvipes var. truncata R. G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. Mostly N shore. 1683 Comment
  CATA181  Rosa californica Mark L. Hoefs, A. Douglas Propst 1973-4-6 150 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  POM1541  Rosa californica Otis Hiatt 1918-6-3 s.n. Los Angeles Topanga Canyon. Comment
  CAS-BOT-BC158814  Rubus ursinus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  CATA3209  Rubus ursinus Julie L. King 2016-11-22 28 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  JEPS44766  Rubus ursinus C. E. Hutchinson 1892-6-28 Los Angeles San Gabriel Canyon Comment
  RSA247420  Rubus ursinus Jack Delaini 1974-4-5 99 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 412 Comment
  RSA578318  Rubus ursinus Tim S. Ross, Steve D. Boyd 1994-5-10 7712 Los Angeles Warm Springs Canyon: spring (un-named, but marked on topo map) along Warm Springs-Fish Canyon truck Trail (6N32); 2160 m NNW of Warm Springs Mtn. summit. 799 Comment
  RSA600918  Rubus ursinus Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. [added later:] NW of Glendora. 412 Comment
  CATA1505  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak 1996-7-9 2718 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  RSA0065503  Rumex conglomeratus A. E. Hersh 1950-7-9 s.n. Los Angeles Topanga Canyon, about 2 miles from west end. 91 Comment
  UCR274127  Rumex conglomeratus Steven A. Junak 1999-5-6 SCa- 884 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing, at west end of beach, mouth of canyon creek 3 Comment
  UCR125243  Rumex crispus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  RSA614148  Rumex hymenosepalus Damian Ross 1997-3-8 1 Los Angeles Bernard Biological Field Station Claremont Colleges. Just west of Infirmary Rd., about 1/2 distance between Foothill Blvd. and former Infirmary building (single patch). 412 Comment
  RSA0080721  Rumex salicifolius R. G. Swinney 2010-9-7 13713 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA579215  Rumex salicifolius Tim S. Ross, S. D. Boyd 1994-7-7 8157 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  POM50896  Rupertia physodes L. R. Abrams 1901-4-13 1521 Los Angeles Wilsons Peak Trail. Comment
  UC465475  Salicornia virginica C. F. Millspaugh 1920-1-21 4611 Los Angeles Isthmus Santa Catalina Island Comment
  UC56835  Salicornia virginica Ernest Braunton Jul 1902 557 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  CAS-BOT-BC103142  Salix bonplandiana C. F. Baker 1909-5-15 5315 Los Angeles Mts. near Claremont Comment
  RSA748403  Salix exigua R. G. Swinney 2008-4-4 8605 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  SD986  Salix exigua var. hindsiana F. Ray Fosberg 1931-10-23 5850 Los Angeles Between Calabasas and Agoura, Santa Monica Mountains, dry ravine near top of grade on highway Comment
  IRVC27299  Salix laevigata A. C. Sanders, Mark Elvin 2003-8-7 27159 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  SBBG14336  Salix laevigata E. R. Blakley 1961-9-24 4773 Los Angeles Ben Weston Beach 6 Comment
  POM362727  Salix lasiolepis Alton Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  POM362751  Salix lasiolepis Ora M. Clark 1929-1-27 1486 Los Angeles Along Los Angeles river, W. Glendale Comment
  RSA526471  Salix lasiolepis Tim S. Ross 1991-3-24 4304 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon Comment
  RSA639885  Salix lasiolepis Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2073 Comment
  UC5052  Salix lasiolepis W. H. Brewer 1860-12-28 97 Los Angeles Los Angeles Comment
  UCR187268  Salix lasiolepis A. C. Sanders 2006-4-18 32092 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  RSA0034691  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles Between Calabasas and Agoura. 285 Comment
  UCSB964  Salix lasiolepis Gill, Robert 1959-3-5 Los Angeles San Antonio Canyon; along stream bank below hugs back; San Gabriel Mountain range 1066 Comment
  CAS-BOT-BC107534  Salix lasiolepis var. lasiolepis Marcus E. Jones 1926-2-26 s.n. Los Angeles Mountains near Claremont Comment
  UC437370  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles bench below ridge crest Pine Mt.; San Antonio Mts., Pine Mt. 2590 Comment
  UCR132303  Salpichroa origanifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  CAS-BOT-BC403756  Salpichroa origanifolia Philip A. Munz 1939-10-9 15565 Los Angeles East end of Claremont 365 Comment
  RSA625157  Salpichroa origanifolia Louis C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco 396 Comment
  UC7501  Salsola tragus J. Burtt Davy May 9 1896-May 24 1896 2283 Los Angeles Lancaster Antelope Valley, Lancaster Comment
  OBI48771  Saltugilia splendens K. Harper 1986-5-16 Los Angeles San Gabriel Mountains, norther paved road to Chilao, W of Newcomb Ranch & Hwy 2. 1829 Comment
  SD111576  Saltugilia splendens subsp. grantii Wayne P. Armstrong 1982-6-12 Los Angeles S.E. firebreak ridge of Lookout Mt. 1790 Comment
  RSA599900  Saltugilia splendens subsp. grantii L. C. Wheeler 1933-7-4 1902 Los Angeles San Dimas Canyon 640 Comment
  RSA97665  Saltugilia splendens subsp. grantii R. M. Straw 1954-6-16 616 Los Angeles Just west of Cloudburst Summit on Angeles Crest Hwy. 2134 Comment
  UC104493  Salvia A. Davidson Jun 1876 Los Angeles Los Angeles foothills; Los Angeles Comment
  RSA424332  Salvia apiana William Emboden 1970-6-12 Jan- 46 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCD125459  Salvia apiana G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  UCR107758  Salvia apiana Jeanne Gural, Erin Hewgley 1997-4-18 33 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. West of main road, south of lake. 412 Comment
  UCR259049  Salvia carduacea R. G. Swinney 2010-5-12 12763 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
  UCD125472  Salvia carduacea Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 36 Los Angeles City of Llano, Mojave Desert, 0.9 mile east on Black Butte Basin Road from the intersection of Black Butte Basin Road and Largo Vista Road. 243 Comment
  SD204907  Salvia clevelandii R. F. Thorne 1990-6-5 63107 Los Angeles Mt. San Antonio Gardens, 900 East Harrison Avenue, Pomona, Ca. 91767 Comment
  RSA651672  Salvia columbariae Brian Koch 1981-4-26 9 Los Angeles 1.5 miles west on the west fork of the San Gabriel River service road. Comment
  SFV4254  Salvia columbariae W. A. Emboden, Jr. May 1964 s. n. Los Angeles Santa Monica Mountains Las Flores Drive. Comment
  UCR252557  Salvia columbariae R. G. Swinney 2010-5-11 12669 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR269969  Salvia columbariae R. G. Swinney 2010-6-1 13112 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  CAS-BOT-BC214318  Salvia dorrii var. pilosa B. Ertter; J. 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) 1/2 mile north of Angeles NF, ca 1 1/2 miles southeast of Valyermo, south side San Gabriel Mountains 1219 Comment
  UC483477  Salvia dorrii var. pilosa A. D. E. Elmer Jun 1902 3696 Los Angeles Vincent Comment
  HSC14356  Salvia leucophylla C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA446321  Salvia leucophylla Bonnie C. Templeton 1934-6-17 1091 Los Angeles Franklin Canyon, north of Beverly Hills. Comment
  UCR23292  Salvia leucophylla Kate Kramer 1981-5-31 54 Los Angeles Malibu Beach 7.5' Q., Malibu Creek State Park. 2 mi west of Las Virgenes & Mulholland Hwy intersection on Mulholland Hwy 275 Comment
  UCD15672  Salvia mellifera Anne B. Overturf 1989-5-28 20 Los Angeles Eaton Canyon. 365 Comment
  UCR126235  Salvia mellifera A. C. Sanders 2003-3-14 25763 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
  UCR136928  Salvia mellifera B. C. Templeton 1929-12-19 1439 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  RSA0030941  Salvia mellifera Jane Snyder 1966-5-10 11 Los Angeles San Rafael Hills. 213 Comment
  RSA434079  Salvia spathacea Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  RSA152396  Sambucus mexicana R. C. Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak Flat Public Camp, Angeles National Forest, just off U.S. 99 854 Comment
  RSA477548  Sambucus mexicana N. C. Cooper 1948-4-21 2704 Los Angeles Saugus. 762 Comment
  RSA482491  Sambucus mexicana Richard Noyes, L. Arnseth 1988-4-30 540 Los Angeles South facing slope of Thompson Creek Dam 500 Comment
  RSA549568  Sambucus mexicana T. S. Ross 1991-3-10 4220 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA657466  Sambucus mexicana J. Liston 1980-6-2 50 Los Angeles Back dirt trail of Verdugo Park, 1/2 mile west of Glendale College Comment
  RSA719494  Sambucus mexicana Gary Kovnat, LeRoy Gross 2003-4-13 42 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  LA94858  Sanicula arguta K. Larson; J. Neel 1950-4-2 26 Los Angeles Santa Monica Mountains, Mulholland Dr, 0.75 mi W of Beverly Glen Bl Comment
  UCR195294  Sanicula arguta Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1185 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, southeast of Green Verdugo Reservoir 457 Comment
  UC566787  Sanicula arguta Frank W. Peirson 1923-5-14 3489 Los Angeles Arroyo Seco 335 Comment
  UC303478  Sanicula bipinnata P. A. Munz 1918-4-11 2035 Los Angeles Lone Hill near Glendora; Southern California, Lone Hill Comment
  LA329800  Sanicula crassicaulis Louis Wheeler; 1932-4-2 554 Los Angeles Santa Monica Mountains, Mandeville Canyon, head of canyon 487 Comment
  RSA702943  Schedonorus arundinaceus Scott D. White 2004-8-20 10728 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  CDA4986  Schinus molle T. S. Ross, Annette Ross 1991-3-7 4133 Los Angeles Coastal Plains and Basins; San Bernardino Basin region; Elephant Hill: western Pomona. T1S R9W, W 2/3 S1/2 sec. 26 (projected); San Dimas USGS 7.5 quadrangle. Elev. 780 ft. Comment
  CHSC95482  Schinus molle LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 409 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland. 427 Comment
  RSA598085  Schismus arabicus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3780 Los Angeles Vicinity of Crystal Lake 1677 Comment
  UCR193723  Schismus arabicus R. G. Swinney 1999-4-5 7065 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR126619  Schoenoplectus acutus var. occidentalis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27140 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA279009  Schoenoplectus acutus var. occidentalis Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42184 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  CATA1363  Schoenoplectus americanus Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2482 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  UCR8286  Scirpus microcarpus A. H. Gallup 1949-7-17 s.n. Los Angeles San Gabriel Valley, Arcadia, Los Angeles State and County Arboretum 183 Comment
  UCR89484  Scrophularia peregrina T. S. Ross, Steve Boyd 1993-3-24 6819 Los Angeles RSABG; collected on the SE edge of Indian Hill Mesa (also observed in the Bernard Field Station to the east of the Botanic Garden) 402 Comment
  UCR274096  Scrophularia villosa Steven A. Junak 1999-4-24 SCa- 866 Los Angeles California Islands, Santa Catalina Island, below Empire Landing Road 415 Comment
  UCSB5844  Scutellaria siphocampyloides 1929-6-6 Los Angeles Pine Valley; Hughes Lake Comment
  RSA708658  Scutellaria tuberosa Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1186 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  UCR204871  Scutellaria tuberosa R. G. Swinney 2005-4-23 8225 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 572 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
  UCR193673  Sedum spathulifolium R. G. Swinney, Dave Larson 1999-6-25 7413 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  CAS-BOT-BC62022  Selaginella bigelovii Tim Ross; Steve Boyd 1991-4-25 4583 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon 731 Comment
  LA94000  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1687 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  SEINET3074315 Image available Selaginella bigelovii C. F. Shutts 1949-2-14 5 Los Angeles Little Dalton Canyon, San Gabriel Mountains. 430 Comment
  POM18210  Selaginella bigelovii Philip A. Munz 1923-4-10 6726 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  UC128657  Senecio californicus C. F. Baker 1904-4-15 4178 Los Angeles Claremont Comment
  UC1070179  Senecio flaccidus var. douglasii A. Lewis February 1934 282 Los Angeles Little Tujunga San Fernando Quad., Little Tujunga Comment
  UCR273277  Senecio flaccidus var. douglasii R. G. Swinney 2011-10-25 15857 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
  CATA2794  Senecio lyonii Wheeler Apr 1904 6134 Los Angeles Santa Catalina Island 0 Comment
  SDSU498  Senecio lyonii D. F. Howe 1968-2-24 4489 Los Angeles South of Fourth of July Cove, Santa Catalina Island. Comment
  UC1594396  Senecio lyonii Tim Ross and Elizabeth Kellogg 1992-4-11 6111 Los Angeles West Fork of China Canyon San Clemente Island 292 Comment
  UCR259900  Senecio vulgaris R. G. Swinney 2010-3-16 11950 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
  RSA473107  Senecio vulgaris L. C. Wheeler 1933-9-26 2124 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  RSA527616  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4401 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA533443  Senecio vulgaris Timothy S. Ross 1991-4-21 4506 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon drainage above NW bank of stream course. 183 Comment
  CDA27819  Senna artemisioides T. C. Fuller, T. Suzuki 1959-3-19 2092 Los Angeles Northwest corner of Foothill Boulevard & Hillard Avenue, La Canada. 0 Comment
  UCR118600  Sesuvium verrucosum David Charlton, Lew Heide 1991-9-22 5622 Los Angeles Western Mojave Desert, Piute Ponds, SW side of Rosamond Dry Lake, Edwards Air Force Base 695 Comment
  UCR182248  Setaria parviflora R. G. Swinney 1997-12-31 5891 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  UC108855  Sidalcea neomexicana H. E. Hasse Los Angeles Santa Monica Comment
  SBBG29896  Silene antirrhina L. C. Wheeler 1932-5-28 782 Los Angeles E side San Antonio Cyn SE of Hog Back 1280 Comment
  RSA150938  Silene antirrhina P. H. Raven 1962-5-8 17634 Los Angeles Western slope of island opposite Wilson Cove, San Clemente Island 61 Comment
  SBBG87348  Silene gallica A. C. Sanders 1988-3-17 7729 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  RSA0041778  Silene gallica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2824 Los Angeles Santa Catalina Island: Hillside above New York Harbor. 55 Comment
  RSA0073122  Silene gallica Mark L. Hoefs 1995-5-16 2032 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors. 104 Comment
  RSA477874  Silene gallica Anonymous s.n. Los Angeles Los Angeles Comment
  UC519734  Silene gallica Joseph Andorfer Ewan 1932-5-10 7467 Los Angeles Verdugo Canyon Colina Drive; Verdugo Canyon at Colina Drive Comment
  OBI74752  Silene laciniata K. Dobry 1991-3-16 d 214 Los Angeles Santa Monica Mts. Lower cold Creek Cyn. Montifisher Property Comment
  CSUSB706  Silene laciniata Virginia M. Bolton 1966-5-10 Los Angeles Pomona (city), on the Cal Poly campus hillside. California Polytechnic University, Pomona. Comment
  LA94365  Silene laciniata subsp. laciniata W. O. Griesel; 1936-6-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM183626  Silene laciniata subsp. major Joseph A. Ewan 1929-5-18 1252 Los Angeles 1 mile above mouth of Los Flores Canyon. Comment
  UC1595284  Silene laciniata subsp. major Tim Ross 1992-5-17 6378 Los Angeles lower Shoemaker Canyon draining to the E Fork San Gabriel River (joining it at 2125 feet elevation, San Gabriel Mts.); San Gabriel Mts. lower Shoemaker Canyon 752 Comment
  CAS-BOT-BC389329  Silene lemmonii Geo. B. Grant 1906-6-15 s.n. Los Angeles At Summit of Mt. Wilson. San Gabriel Mts. 1828 Comment
  CAS-BOT-BC175114  Silene verecunda John Thomas Howell 1947-7-18 23396 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  SD215461  Silene verecunda Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon, ca. 120 m NNW of Icy Springs around a stone building that has been gutted by fire. 1730 Comment
  UCR192885  Silene verecunda R. G. Swinney 1998-7-8 6320 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA529179  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd 1991-7-24 5618 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  RSA586693  Silene verecunda subsp. platyota Orlando Mistretta 1995-6-20 1796 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  RSA748495  Silene verecunda subsp. platyota Orlando Mistretta 1992-7-9 663 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA654330  Silybum marianum Benjamen Rangel 1992-5-10 777 -41 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  CAS-BOT-BC74958  Sinapis arvensis I. Johnston 1918-2-1 1969 Los Angeles Upland. Comment
  CAS-BOT-BC75081  Sisymbrium altissimum Ernest C. Twisselmann 1955-8-10 2307 Los Angeles San Emigdio Range. Upper Castaic Valley. 1226 Comment
  JEPS76498  Sisymbrium irio L. R. Heckard with Maynard Moe 1977-4-2 4554 Los Angeles Edwards Air Force Base, along Edwards Boulevard about 1 mi n of south entrance to Air Base Edwards Air Force Base 701 Comment
  RSA632015  Sisymbrium irio L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 670 Comment
  RSA0092857  Sisymbrium officinale Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 SCa- 445 Los Angeles Santa Catalina Island: Just inland from beach at White's Landing. 3 Comment
  RSA675864  Sisymbrium orientale LeRoy Gross 2003-3-7 768 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  RSA431735  Sisymbrium orientale Robert Gustafson 1978-6-1 981 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  SFV20815  Sisymbrium orientale L. Gross, N. Fraga 2002-4-4 519 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 457 Comment
  UC1060515  Sisyrinchium bellum Richard Snow 1953-3-21 Los Angeles Mulholland Drive Santa Monica Mountains Comment
  RSA799916  Solanum douglasii Justin M. Wood 2009-3-20 380 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  SBBG13547  Solanum douglasii E. R. Blakley 1962-10-5 5452 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG84196  Solanum douglasii M. C. Hochberg 1981-7-30 Los Angeles Lemon Tank area Comment
  SD234534  Solanum douglasii Wayne Law, Jun Hu 2000-4-30 4 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UC26225  Solanum douglasii W. H. Brewer 1860-1 33 Los Angeles Comment
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Sep 7 2009
  UCSB5933  Solanum douglasii Lloyd, Robert 1959-3-27 Los Angeles 0.5 mile south of dam in San Dimas Cyn; stream bed west of the San Dimas Cyn Road 365 Comment
  RSA427307  Solanum elaeagnifolium Bonnie C. Templeton 1934-9-11 4419 Los Angeles Palms, LA. Comment
  UCR48857  Solanum nigrum Steve Morgan 1974-5-1 26 Los Angeles San Gabriel Valley, 1212 E. Las Tunas Dr., San Gabriel 183 Comment
  SEINET10950850  Solanum tuberosum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2592 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  RSA191037  Solanum umbelliferum Robert F. Thorne 1963-5-5 32327 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA702559  Solanum umbelliferum Scott D. White 2004-5-10 10353 Los Angeles Liebre Mountains: North slope below Bald Mountain. 1098 Comment
  UCR271980  Solanum umbelliferum R. G. Swinney 2011-5-31 14910 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
  CAS-BOT-BC156849  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  CAS-BOT-BC231720  Solanum umbelliferum John Thomas Howell 1928-5-4 3775 Los Angeles Near Deer Park, Monrovia Canon [Canyon], San Gabriel Mts. Comment
  RSA584852  Solanum umbelliferum Tim S. Ross 1993-6-1 7352 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 780 Comment
  CATA3374  Solanum wallacei Peter J. Dixon 2016-5-5 048 Los Angeles Santa Catalina Island: Gallaghers Canyon, 100 m south of Laura Stein Volunteer Camp 396 Comment
  SD28035  Solanum wallacei subsp. clokeyi Carl B. Wolf 1932-5-9 3491 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due west of Pebbly Beach 305 Comment
  RSA785745  Solanum xanti Carrie A. Herd 1982-4-9 73 Los Angeles San Gabriel River West Fork; 3/4 mi. W. of Hwy 39, 50 ft. above water Comment
  RSA0116118  Solidago velutina subsp. californica R. G. Swinney 2011-10-13 15779 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  UCR277158  Solidago velutina subsp. californica R. G. Swinney 2010-10-5 13983 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  SEINET12221334  Sollya heterophylla W. F. Wight 1907-1 1303 Los Angeles Los Angeles, Elysian Park Comment
  UC557676  Sonchus asper Nell Murbarger 1936-3-1 78 Los Angeles slopes e side San Clemente Island Comment
  RSA641645  Sonchus asper subsp. asper L. C. Wheeler 1967-5-31 9809 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  CHSC109715  Sonchus oleraceus V. Soza; LeRoy Gross 2011-5-14 1215 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCR213420  Sonchus oleraceus A. C. Sanders, Dan S. Cooper 2010-3-12 37323 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCD136208  Sonchus oleraceus Kenneth A. Wilson 1961-2-21 875 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA467396  Sorghum halepense Alva Watry 1930-05 s.n. Los Angeles Glendale. Comment
  RSA651605  Sorghum halepense W. P. Yeager 1948-5-20 s.n. Los Angeles at Ranch Anita 2 1/2 mi. S.W. Covina. Comment
  UC40226  Sorghum halepense J. Burtt Davy Oct 1896 2855 Los Angeles Pomona Comment
  UCR256966  Sorghum halepense Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
  UCR97799  Spartium junceum Scott D. White 1997-3-12 4762 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  RSA0016937  Spartium junceum W. A. Reinke 1971-5-3 s.n. Los Angeles On Glendora Mtn. Rd. 8 mi. N. of Glendora Dam on E. side of rd. Comment
  RSA0098389  Spergularia macrotheca L. R. Abrams 1901-4-1 1223 Los Angeles Ballona Harbor. Comment
  SD132653  Spergularia macrotheca M. B. Dunkle 1939-4-2 7205 Los Angeles San Clemente Island, southeast point. Comment
  RSA0098742  Spergularia macrotheca Steve Boyd, Timothy S. Ross, Peter Fritsch 1990-4-6 4174 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack . 152 Comment
  SBBG26555  Spergularia macrotheca var. macrotheca M. R. Benedict 1965-12-12 Los Angeles E end of Parson's Beach 4 Comment
  UC18960  Sphaeralcea ambigua var. ambigua J. Burtt Davy May 9-24 1896 2585 Los Angeles near West Palmdale; Antelope Valley Comment
  CAS-BOT-BC235429  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  RSA547798  Stachys albens Tim S. Ross, Peter Fritsch 1990-6-20 3604 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  UCR124471  Stachys albens B. C. Templeton 1932-7-20 5015 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR277053  Stachys albens R. G. Swinney 2011-9-22 15661 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  LA50763  Stachys bullata Peter H. Raven; Henry J. Thompson 1959-10-4 14562 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  POM9417  Stachys bullata P. A. Munz, R. D. Harwood 1920-5-15 3928 Los Angeles Santa Monica. Dry hillside, Coldwater Canyon. 305 Comment
  UCR270915  Stachys bullata R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14343 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
  RSA0016978  Stachys bullata J. R. 1936-4-9 s.n. Los Angeles Laurel Canyon. Comment
  RSA608605  Stanleya pinnata var. pinnata R. Setzer 1974-5-20 s.n. Los Angeles San Gabriel Mountains: Hwy N6, 3.5 miles NE of Devils Punchbowl County Park. Comment
  CATA1712  Stebbinsoseris heterocarpa Mark L. Hoefs, Steven A. Junak 1999-5-20 3043 Los Angeles Santa Catalina Island: Near road between Black Jack Campground and Airport Road [by mine shaft] 487 Comment
  SD186097  Stebbinsoseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29719 Los Angeles Santa Clarita area, spur and northeast end of Cruzan Mesa, south of Vasquez Canyon road. 609 Comment
  LA32112  Stebbinsoseris heterocarpa Henry J. Thompson; 1959-4-4 Los Angeles Santa Monica Mountains, Point Dume, Zuma Beach 27 Comment
  SBBG12078  Stellaria media P. H. Raven 1962-4-10 17235 Los Angeles W side of island about 1.5 mi N of Thirst 457 Comment
  UCR136828  Stellaria media John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR259372  Stellaria media R. G. Swinney 2010-8-26 13589 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  SBBG19171  Stellaria media M. A. Piehl 1963-12-8 631085 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  CDA2526  Stenotaphrum secundatum Margaret Bellue, Tower 1946-8-1 Los Angeles Elysian Park. 0 Comment
  UC1870190  Stephanomeria cichoriacea LeRoy Gross 2001-9-1 447 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along Verdugo Mountain Way east of Whiting Woods Mountain Way. Northwest facing cliff near the main crest, at top of Henderson Canyon 854 Comment
  UC57430  Stephanomeria diegensis J. H. Barber 1896-10-15 36 Los Angeles Santa Monica Forestry Station Comment
  UCR272983  Stephanomeria virgata R. G. Swinney 2011-6-29 15337 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UCR2808  Stipa lepida var. andersonii F. M. Reed 1920-4-11 4488 Los Angeles [San Jose] Hills south of Covina 488 Comment
  SD125867  Stipa miliacea A. C. Sanders 1988-5-18 7839 Los Angeles El Segundo Dunes, disturbed coastal dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. Comment
  CATA1229  Stipa miliacea var. miliacea Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2295 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  SJSU12964  Stipa occidentalis var. occidentalis C. W. Sharsmith 1945-9-7 5458 Los Angeles summit of Mt Waterman, San Gabriel Mts 2225 Comment
  LA206417  Stipa speciosa Carl Epling; 1926-4-24 sn Los Angeles Antelope Valley, Palmdale Comment
  UCR163446  Stipa speciosa B. G. Pitzer 1998-5-12 3714 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  CATA3513  Stipa tenuissima Julia Parish 2017-12-30 046 Los Angeles Santa Catalina Island: Avalon; City Hall landscaping 12 Comment
  RSA184058  Streptanthella longirostris I. L. Wiggins 1966-4-17 20601 Los Angeles Hillside across valley to e of Alpine Butte Wildflower Sanctuary, N of Pearblossom Comment
  RSA248013  Streptanthella longirostris R. F. Thorne, Gary D. Wallace 1973-4-24 43453 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope 915 Comment
  UCR17975  Streptanthus tortuosus var. tortuosus Dr. H. de Forest 1931-1 s.n. Los Angeles Western Transverse Range, 'Los Padres' [Angeles] National Forest, Ridge Route Comment